Relevant bibliographies by topics / ABS braking

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'ABS braking'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "ABS braking"

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Girovský, Peter, Jaroslava Žilková, and Ján Kaňuch. "Optimization of Vehicle Braking Distance Using a Fuzzy Controller." Energies 13, no. 11 (June 11, 2020): 3022. http://dx.doi.org/10.3390/en13113022.

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The paper presents the study of an anti-lock braking system (ABS) that has been complemented by a fuzzy controller. The fuzzy controller was used to improve the braking performance of the vehicle, particularly in critical situations, for example, when braking a vehicle on wet road. The controller for the ABS was designed in the MATLAB/Simulink program. The designed controller was simulated on a medium-size vehicle model. During testing, three braking systems were simulated on the vehicle model. We compared the performance of a braking system without an ABS, a system with a threshold-based conventional ABS, and a braking system with the proposed ABS with a fuzzy controller. These three braking systems were simulation tested during braking the vehicle on a dry straight road and on a road with combined road adhesion. A maneuverability test was conducted, where the vehicle had to avoid an obstacle while braking. The results of each test are provided at the end of the paper.
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Zheng, Jun Long. "Research on Analog Simulation of Automobile ABS Based on Unigraphis Software." Applied Mechanics and Materials 380-384 (August 2013): 648–51. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.648.

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Many traffic accidents are caused by automobile brake problems, human consciousness is difficult to accurately control the car's emergency braking in emergency situations, which requires a special automotive braking system ABS that assists the driver to prevent accidents. ABS system goes through the way of pumping to brake, it can prevent automobile from slipping phenomenon due to tire locked die. The automobile ABS system' working principle and its performance are studied, the first part elaborates the working principle and its work flow of ABS system; the second part establishes the EBD control mathematical model of ABS system; in the third part, the use of Unigraphis software carries out simulation for vehicle ABS, automobile brake and vehicle ABS integrated model are set up by Unigraphis software powerful modeling functions, using the calculation module calculates the change of temperature as well as braking force in process of braking, finally to obtain the system temperature of ABS system that is small in the process of braking, however the braking force is a change of curve, so as to prevent slipping phenomenon caused by the tire locked die, providing the theoretical basis for the design and research of ABS.
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Sokolovskij, Edgar. "EXPERIMENTAL INVESTIGATION OF THE BRAKING PROCESS OF AUTOMOBILES." TRANSPORT 20, no. 3 (June 9, 2005): 91–95. http://dx.doi.org/10.3846/16484142.2005.9638002.

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The present article depicts the results of investigation of the braking parameters of automobiles equipped with ABS and without ABS. The values of the automobile deceleration, the increase of the deceleration time and the time of disbraking while braking on a dry asphalt‐concrete surface which was fixed in the course of the experimental investigation are presented. The dependence of deceleration of automobiles equipped with ABS and without ABS upon the primary driving speed is reflected and substantiated. The results of the investigation of braking of automobiles equipped with ABS and without ABS under winter conditions, i.e. on ice and snow are presented.
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Zulhilmi, I. M., M. H. Peeie, S. M. Asyraf, I. M. Sollehudin, and I. M. Ishak. "Experimental Study on the Effect of Emergency Braking without Anti-Lock Braking System to Vehicle Dynamics Behaviour." International Journal of Automotive and Mechanical Engineering 17, no. 2 (July 4, 2020): 7832–41. http://dx.doi.org/10.15282/ijame.17.2.2020.02.0583.

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An anti-lock braking system (ABS) is a basic skid control system that can prevent the tire from locking up. In an emergency braking situation, a high possibility that the skidding phenomenon can occur without ABS. This incident become worse when an emergency braking is applied either on wet or dry surfaces. Although ABS is crucial to prevent the collision, some vehicles still do not have ABS. This study is aimed to analyse the vehicle’s dynamic behaviour during emergency braking on wet and dry surface condition. The experimental vehicle model is a Malaysian sedan car namely Proton Persona. This instrumented car is equipped with sensors,video camera and data acquisition systems to determine the vehicle’s motion. In the experiment,when the vehicle reached a maximum speed of 60 km/h, the driver push the brake pedal firmly until the car stop. From the experimental results, the effect of emergency braking without ABS is clearly seen at the wheel speed. The tire locked up can be observed when emergency braking was applied on the wet surface. However, for the emergency braking on the dry surface, the tire decreased gradually. This finding shows that without ABS, the vehicle is unsafe and accident can occur. The experimental data from this study also can be used as a guideline to a researcher and manufacturer in the development of ABS and safety system of the vehicle
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Wang, Jun, Jun Kui Qiao, Zhi Quan Qi, and Bo Zhen Liu. "Research on Integrated System Control Strategy of Regenerative Braking and Anti-Lock Braking System for Electric Vehicle." Applied Mechanics and Materials 249-250 (December 2012): 596–603. http://dx.doi.org/10.4028/www.scientific.net/amm.249-250.596.

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Based on ABS System,a regenerative and pneumatic baking system was proposed,which can adjust pneumatic braking force precisely through ABS valve in order to guarantee the distribution of braking force. A control strategy using logic threshold was made,considering ECE regulation,control logic of ABS system,braking torque of motor and charging-discharging characteristic of battery. A co-simulation model was built with the platform of Simulink-AMESim and the simulation was performed under different braking intensity and driving cycles. The results indicate that the vehicle can achieve good braking regeneration effect with ensuring braking stability .Ratio of energy recycling can achieve 16.26% in London bus driving cycles.
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Ignatyev, Pavel A., Stefan Ripka, Norbert Mueller, Stefan Torbruegge, and Burkhard Wies. "Tire ABS-Braking Prediction with Lab Tests and Friction Simulations." Tire Science and Technology 43, no. 4 (October 1, 2015): 260–75. http://dx.doi.org/10.2346/tire.15.430401.

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ABSTRACT The invention and application of antilock braking systems (ABS) has resulted in a significant improvement of traffic safety and a reduction of stopping distance, especially on wet roads [1]. The reason for this success is rather clear: ABS is designed to steer the braking process in the most efficient way by keeping an optimal level of tire slip. At the same time, it must be clear that ABS uses braking forces generated in the tire footprint, and really good braking is possible only with high-performance tires. The best way to probe tire performance is to build tires and test them. This is, however, a long and an expensive procedure, so prediction of ABS performance based on results of some simple experiments is a very attractive supplement to the development process. Tire-braking performance is related to the friction of rubber on a surface. Relevant friction mechanisms can include adhesion, rubber hysteresis, and various kinds of viscous friction. All of these phenomena depend on the local sliding velocity, load, and temperature of tread rubber. Tire blocks pass the footprint area of a braking tire very rapidly, but their dynamics are indeed influenced by ABS. All of these aspects make the problem of ABS-braking prediction very intricate. In this publication, we present an approach for prediction of the ABS-braking performance. The approach links friction measurements conducted in laboratory to tire tests results. The friction of six specially designed compounds was measured on dry and wet surfaces using a high-speed linear friction test rig. Obtained experimental results are analyzed with the aid of rubber friction theory [2,3] involving both surface and rubber as input parameters. It is demonstrated that lab friction test procedures can be used for prediction of ABS wet braking performance.
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Aparow, Vimal Rau, Ahmad Fauzi, Muhammad Zahir Hassan, and Khisbullah Hudha. "Development of Antilock Braking System Based on Various Intelligent Control System." Applied Mechanics and Materials 229-231 (November 2012): 2394–98. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.2394.

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This paper presents about the development of an Antilock Braking System (ABS) using quarter vehicle model and control the ABS using different type of controllers. Antilock braking system (ABS) is an important part in vehicle system to produce additional safety for drivers. In general, Antilock braking systems have been developed to reduce tendency for wheel lock and improve vehicle control during sudden braking especially on slippery road surfaces. In this paper, a variable structure controller has been designed to deal with the strong nonlinearity in the design of ABS controller. The controllers such as PID used as the inner loop controller and Fuzzy Logic as outer loop controller to develop as ABS model to control the stopping distance and longitudinal slip of the wheel.
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Ariff, M. H. M., Hairi Zamzuri, N. R. N. Idris, and Saiful Amri Mazlan. "Antilock Braking System Slip Control Modeling Revisited." Applied Mechanics and Materials 393 (September 2013): 637–43. http://dx.doi.org/10.4028/www.scientific.net/amm.393.637.

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The introduction of anti-lock braking system (ABS) has been regarded as one of the solutions for braking performance issues due to its notable advantages. The subject had been extensively being studied by researchers until today, to improve the performance of the todays vehicles particularly on the brake system. In this paper, a basic modeling of an ABS braking system via slip control has been introduced on a quarter car model with a conventional hydraulic braking mode. Results of three fundamental controller designs used to evaluate the braking performance of the modeled ABS systems are also been presented. This revisited modeling guide, could be a starting point for new researchers to comprehend the basic braking system behavior before going into more complex braking systems studies.
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Xu, Qiwei, Chuan Zhou, Hong Huang, and Xuefeng Zhang. "Research on the Coordinated Control of Regenerative Braking System and ABS in Hybrid Electric Vehicle Based on Composite Structure Motor." Electronics 10, no. 3 (January 20, 2021): 223. http://dx.doi.org/10.3390/electronics10030223.

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An antilock braking system (ABS) can ensure that the wheels are not locked during the braking process which is an important system to ensure the safety of braking. Regenerative braking is also a crucial system for hybrid vehicles and helps to improve the cruising range of the car. As such, the coordinated control of a braking system and an ABS is an important research direction. This paper researches the coordinated control of the regenerative braking system and the ABS in the hybrid vehicle based on the composite structure motor (CSM-HEV). Firstly, two new braking modes which are engine-motor coordinated braking (EMCB) and dual-motor braking (DMB) are proposed and the coordinated control model of regenerative braking and ABS is established. Then, for the purpose of optimal operating efficiency and guaranteeing the vehicle brake slip rate, a braking force distribution strategy based on predictive control algorithm is proposed. Finally, the Simulink model is established to simulate the control strategy. Results show that the slip rate can well track the target and ensure the efficient operation of the system. Compared with the normal braking mode, the braking energy recovery rate of EMCB is similar, but it can reduce the fuel loss of the engine during the braking process by 30.1%, DMB can improve the braking energy recovery efficiency by 16.78%, and the response time to track target slip is increased by 12 ms.
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Ashok Kumar, Srinivaas, S. Thirumalini, P. Mohankumar, R. Ram Sundar, and C. Aravind. "Simulation Study on Variants of ABS." International Journal of Engineering & Technology 7, no. 3.6 (July 4, 2018): 97. http://dx.doi.org/10.14419/ijet.v7i3.6.14948.

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The performance characteristics of different variants of Anti-Lock Braking System (ABS) in a normal passenger car is investigated. ABS prevent lock-up of wheels and maintains steer ability of the vehicle during braking. Vehicle stopping distance, brake pressure, wheel slip and slide-slip are made using Simulink software and system study was conducted an investigation is done. The variants of ABS taken for the study are 2-channel ABS (front wheels), Cross-ABS (alternate wheels: front left and rear right) and full (four channel) ABS. The Simulink model was interfaced with IPG Carmaker and simulation was performed to include the aerodynamics, tire friction and road friction. The results of the simulation were validated to obtain conclusions on the braking performance for different variants of ABS.
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Dissertations / Theses on the topic "ABS braking"

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Hamersma, H. A. (Herman Adendorff). "ABS braking on rough terrain." Thesis, University of Pretoria, 2017. http://hdl.handle.net/2263/61607.

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This aim of this project may be condensed to the following question: Is there an improvement achievable in the braking performance of a vehicle on a rough road? Several follow-up questions arise from the above problem statement: a) What are the causes of the unsatisfactory stopping time and distance when braking on a rough road and how can they be addressed? b) Can the off-road braking of a vehicle be modelled mathematically? c) What are the criteria used to evaluate the on-road braking performance of a vehicle and can the off-road braking performance of a vehicle be evaluated using the same criteria? d) Can the off-road braking performance be improved without compromising the on-road performance? An extensive literature survey is done on existing research addressing these four questions. It is found that, although the literature acknowledges that the braking performance of a vehicle deteriorates under off-road conditions, very little has been done to address it. Two main factors influencing the braking performance are identified, namely the ABS algorithm inputs and tyre force generation characteristics. An experimentally validated vehicle model is developed that serves as the basis from which the research question will be addressed. An FTire model is parameterised and used as the tyre model throughout this study. Three measured off-road terrain profiles are used. The first step in addressing the research question is developing a performance evaluation technique that can easily, quantifiably and visually compare the braking performance of several ABS systems on any road surface, in any condition. The performance evaluation technique considers the stopping distance, longitudinal deceleration, lateral path offset error, and yaw rate error as metrics. The second step is investigating one of the common assumptions found in ABS algorithms, namely that the roll radius is constant. This is investigated experimentally and it is concluded that the assumption is valid on smooth and rough road surfaces when using the kinematic definition of the roll radius, but invalid when using the kinetic definition of the roll radius. Investigation of the influence of the tyre force generation characteristics on the braking performance is the third step. It is found that the tyre normal force variation and corresponding suspension force variation correlates closely with the braking performance. A higher suspension force variation is associated with longer stopping distances. The final step is the development of a three step control strategy that aims to reduce the suspension force variation. This is done by estimating the wheel hop using easy to measure states, predicting the suspension force variation based on these estimates, and finally selecting the ideal suspension configuration. The control strategy, called the WiSDoM algorithm, was evaluated by doing several simulations on the three off-road road profiles, with different braking points as the only changed variable. The WiSDoM algorithm’s performance was compared with the baseline vehicle performance and found to decrease the stopping distance on all three off-road road profiles, without negatively affecting the stability of the vehicle. The WiSDoM algorithm did not have a significant influence on the braking performance on a smooth road.
Thesis (PhD)--University of Pretoria, 2017.
DAAD-NRF Joint Scholarship
Mechanical and Aeronautical Engineering
PhD (Mechanical Engineering)
Unrestricted
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Jandric, Kristian, and Lucas Andersson. "Anti-lock braking system for bicycles." Thesis, KTH, Mekatronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-296316.

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An attempt was made to construct an ABS system that would both lock the wheel and release the brakes. The system would be mounted on a bicycle with v-brakes. It would then be tested if it could decrease the braking distance and if the system would respond fast enough. A literature study was made to learn what was needed for such a project. After many attempts of using re-purposed components an ABS system would eventually be built with a new stepper motor, and it was strong enough to lock the back wheels. Unfortunately the system could not be as thoroughly tested as expected, where only the reaction time of the system could be tested and not the braking distance due to a motor driver failure prior to the tests taking place. Due to shipping times and our budget and time constraints, further testing could not be done.
Ett försök att bygga ett ABS system som både låser hjulet samt släpper på bromsen gjordes. Systemet skulle kunna monteras på en cykel med fälgbromsar. Systemet skulle testas genom att mäta skillnaden i bromssträcka samt om reaktionstiden var snabb nog. En litteraturstudie gjordes för att få tillräcklig kunskap om vad som krävdes för ett sådant projekt. Efter många försök med att använda olika återanvända komponenter kunde ett ABS system till slut konstrueras med hjälp av en ny stegmotor, som var stark nog för att låsa bakhjulet. Tyvärr kunde bara systemets reaktionstid testas och inte bromssträckans förändring. Detta berodde på en motordrivare slutade fungera. På grund av frakttider och en fast budget samt en tidsbegränsning, kunde inte ytterligare tester genomföras.
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Shurtz, Matthew Leonard. "Effects of ABS controller parameters on heavy truck model braking performance." The Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=osu1409229551.

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Veppathur, Sivaramakrishnan Srikanth. "Discrete Tire Modeling for Anti-lock Braking System Simulations." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/51424.

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Tires play an extremely important role in the operation of a vehicle as they transmit forces between the ground and the vehicle. Consistent efforts have been made over the years towards modeling and simulation of tires and more recently, there has been an increasing need to understand the transient response of tires to various high-frequency events such as anti-lock braking and short-wavelength disturbances from the road. Major thrust has been provided by the tire industry to develop simulation models that accurately predict the dynamic response of tires without the use of computationally intensive tools such as FEA.

The objective of this research is to explain the development, implementation and validation of a simulation tool based on a dynamic tire model that would assist in the analysis of the effect of tire belt vibrations on the braking performance of a vehicle. A rigid ring tire model, tandem elliptical cam enveloping model and a rule-based ABS model have been developed for this purpose. These were combined together in a quarter vehicle model and implemented in Matlab-Simulink. These models were developed for adaptation with CarSim to provide a simulation tool that can be utilized in both tire and vehicle design processes. In addition to model implementation, a parameterization procedure was developed to estimate the parameters of the rigid ring tire and enveloping model based on experimental data for a given tire. Validation studies have also been performed to ensure the accuracy and validity of the tire model. Following this, the braking performance of ABS under different road surfaces were evaluated. Based on the simulation results, final conclusions were drawn with regards to the analysis and detailed recommendations for future work directed towards the improvement of the tool were provided.
Master of Science
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Ozdalyan, Bulent. "The integration of tyre, suspension and ABS models into vehicle braking simulations." Thesis, Coventry University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297501.

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Khanse, Karan Rajiv. "Development and Validation of a Tool for In-Plane Antilock Braking System (ABS) Simulations." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/56567.

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Automotive and Tire companies spend extensive amounts of time and money to tune their products through prototype testing at dedicated test facilities. This is mainly due to the limitations in the simulation capabilities that exist today. With greater competence in simulation, comes more control over designs in the initial stages, which in turn lowers the demand on the expensive stage of tuning. The work presented, aims at taking today's simulation capabilities a step forward by integrating models that are best developed in different software interfaces. An in-plane rigid ring model is used to understand the transient response of tires to various high frequency events such as Anti-Lock Braking and short wavelength road disturbances. A rule based ABS model performs the high frequency braking operation. The tire and ABS models have been created in the Matlab-Simulink environment. The vehicle model has been developed in CarSim. The models developed in Simulink have been integrated with the vehicle model in CarSim, in the form of a design tool that can be used by tire as well as vehicle designers for further tuning of the vehicle functional performances as they relate to in-line braking scenarios. Outdoor validation tests were performed to obtain data from a vehicle that was measured on a suspension parameter measuring machine (SPMM) in order to complement this design tool. The results of the objective tests performed have been discussed and the correlations and variations with respect to the simulation results have been analyzed.
Master of Science
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Aguado, rojas Missie María del Rocío. "On control and estimation problems in antilock braking systems." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS103/document.

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Cette thèse aborde trois problèmes liés à l’ABS dans le cadre de la dynamique de la roue : l’estimation de la rigidité de freinage étendue (XBS) des pneus lors du freinage d’urgence, la commande de l’ABS basée sur l’estimation de l’XBS, et l’estimation de la vitesse et de l’accélération angulaires de la roue à partir des mesures provenant d’un codeur avec des imperfections. L’objectif général de ce travail est de développer des outils visant à améliorer la performance des systèmes de freinage, en utilisant des techniques adaptées de l'automatique non linéaire. La première partie de la thèse est consacrée à la construction d’un observateur adaptatif commuté pour l’XBS, c’est-à-dire un observateur adaptatif dont les gains d’estimation commutent entre deux valeurs possibles en fonction du signe de la sortie mesurée du système. La stabilité de l’observateur est analysée en utilisant des outils pour des systèmes commutés et en cascade, ainsi que des concepts tels qu’excitation permanente et transformations singulières d’échelle de temps. La deuxième partie de la thèse est dédiée à la conception d’une loi de commande pour l’ABS. L’objectif de contrôle est formulé en termes de l’XBS et une loi de commande hybride est conçue afin de faire en sorte que les trajectoires du système satisfassent les conditions requises pour l’estimation de l’XBS. La stabilité du contrôleur est analysée en utilisant l'application de Poincaré. La troisième partie de la thèse aborde la construction d’un algorithme pour estimer la vitesse et l’accélération angulaires de la roue et éliminer des perturbations qui sont introduites par les imperfections du codeur, et dont l’amplitude et la fréquence sont une fonction de la position, la vitesse, et l’accélération angulaires (réelles) de la roue. L’algorithme est basé sur la méthode connue comme « time-stamping algorithm », ainsi que sur des techniques de filtrage est d’estimation de paramètres. Des essais expérimentaux et des simulations numériques illustrent la performance des algorithmes d’estimation et de contrôle présentés dans cette thèse. Dans tous les cas nos résultats sont comparés par rapport à l’état de l’art
This thesis addresses three problems related to the antilock braking system (ABS) in the context of the wheel dynamics: the estimation of the tyre extended braking stiffness (XBS) during an emergency braking situation, the control of the ABS based on the estimation of the XBS, and the estimation of the angular velocity and acceleration of the wheel from the measurements of an incremental encoder with imperfections. The general objective of this work is to develop tools aimed at improving the performance of braking systems by using techniques adapted from nonlinear control theory. The first part of the manuscript is devoted to the construction of a switched adaptive observer for the XBS, that is, an adaptive observer whose estimation gains switch between two possible values based on the sign of the system’s measured output. The stability of the observer is analyzed using tools for switched and cascaded systems, as well as concepts such as persistency of excitation and singular time-scale transformations. The second part of the manuscript is dedicated to the design of a control algorithm for the ABS. The control objective is formulated in terms of the XBS and a hybrid controller is designed so that the trajectories of the system satisfy the conditions required for the estimation of the XBS. The stability of the controller is analyzed using the Poincaré map. The third part of the manuscript focuses on the construction of an algorithm to estimate angular velocity and acceleration of the wheel and remove perturbations which are introduced by the encoder imperfections and whose amplitude and frequency are a function of the wheel's (real) position, velocity, and acceleration. The algorithm is based on the method known as time-stamping algorithm, as well as filtering and parameter estimation techniques. Experimental tests and numerical simulations illustrate the performance of the estimation and control algorithms presented in this thesis. In all cases our results are compared with respect to the state of the art
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Prochazka, David. "Detekce brzdných stop pomocí spektrometrie laserem indukovaného plazmatu (LIBS) a spektrometrie laserem indukované fluorescence (LIBS + LIFS)." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-234233.

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The aim of this work is to investigate the potential of Laser-Induced Breakdown Spectroscopy (LIBS) for identification of visually unrecognizable braking tracks. Identification of these tracks is based on different chemical composition of tire tread in comparison to road surface. The investigation was divided in several sequential steps – selection of suitable chemical element and its spectral line for break tracks identification; determination of the limits of detection and threshold intensity respectively for the selected chemical element; verification of LIBS ability to detect braking tracks on a real braking track. This testing braking track was prepared by exactly defined and described conditions. The detection was performed in two ways – laboratory analysis of tire treads particles collected via adhesive tape and in situ analysis via mobile apparatus. Results of both measurements showed that LIBS is able to detect visually unrecognizable braking tracks. Concepts of the devices capable of routine braking tracks identification for both possibilities were introduced.
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Jaiswal, Manish. "The interaction of tyre and anti-lock braking in vehicle transient dynamics." Thesis, Loughborough University, 2009. https://dspace.lboro.ac.uk/2134/15201.

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The thesis presents an intermediate modelling approach to study transient behaviour of vehicle systems, with emphasis put on simplified yet accurate representation of important system elements. A representative non-linear vehicle model is developed in MA TLAB/Simulink environment, where non-linear characteristics of tyre, suspension and braking system are included to capture the dynamic behaviour of a vehicle under transient conditions. The novel aspect of this work is the application of a representative full vehicle-tyre-ABS integrated set-up to study the complicated interaction between tyre and anti-lock braking, under a range of demanding operating conditions, including combined cornering and braking. The modelling methodology involves development of low end vehicle models, based on the Newton-Euler formulation. Subsequently, an intermediate vehicle model is devised, where more details are incorporated such as additional DOF to capture the sprung mass motion in space, along with its non-linear interactions with the un-sprung masses, large angle effects, kinematics of steering/wheels and an appropriate tyre model suitable for transient manoeuvres. Particular attention is paid to the suspension system modelling, through inclusion of non-linear effects in springs, dampers, bump-stops, and anti-roll bars, along with the jacking and anti-dive effects using the virtual work method. The model also incorporates a hydraulic brake model, based on the reduced order brake system dynamics for realistic simulation of the braking manoeuvres. A complex multi-body ADAMS/Chassis model, with much greater level of detail, has also been established to extensively compare and enhance the realistic behaviour of the intermediate vehicle model. During the simulation exercise, the intermediate vehicle model has shown good agreement with the complex ADAMS model, thus justifying the accurate representation of vehicle.non-linear characteristics, particularly the suspension system. The realistic behaviour of the vehicle model is further ascertained with a reliable GPS enabled test vehicle, by performing number of manoeuvres on test tracks, including combined cornering and braking. A representative 4-channel conventional ABS system is modelled and integrated in the intermediate vehicle model. The ABS adopts generic peak seeking approach, employing wheel deceleration and brake slip as control variables. External braking inputs, in form of stepped pressure pulses, are also separately used to represent the transient braking system dynamics. In the current work, different transient tyre models based on the single point contact approach and using Magic Formula steady-state characteristics are applied, while studying the influence of their dynamic behaviour on the ABS system. By employing a representative ABS system in a multi-body vehicle model and considering the particularly demanding situation of combined braking I cornering, it is shown that the models which are adequate for pure braking might struggle when the complicated full vehicle dynamics are excited. It is shown that the first order relaxation length approach may not be sufficient to fully satisfy the requirements of an ABS braking, especially if the relaxation length is not modelled as a variable dependent on tyre slip. In comparison, the modelling approach, where the carcass compliances and contact patch properties are explicitly represented, can handle the oscillatory tyre behaviour associated with ABS braking, in a far more accurate manner. In comparison to the earlier studies, which were mostly conducted for straight-line braking, this thesis stresses the fact that the tyre behaviour can be influenced by the complex interaction of handling and braking, and hence the effect should be captured while investigating or evaluating the performance of a tyre model in relation with ABS simulation.
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Slepánek, David. "Návrh řídícího algoritmu ABS pro nákladní vozidlo." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378485.

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This thesis is concerned with ABS algorithm project for commercial vehicles. In the first part the reader is introduced to the history and first usage of the anti-blocking system, its principles and main functions. There are also driving algorithms and functionality system control. The second part is dedicated to the dynamic model, programs and ADAMS Car and MATLAB Simulink interfaces. It also contains the description of the algorithm, its parameters and basic functionality assay. Simulation, program interlink, testing and tuning are also described. The concluding part deals with results and their assessment.
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Books on the topic "ABS braking"

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Buckman, Leonard C. Commercial vehicle braking systems: Air brakes, ABS and beyond. Warrendale, PA: Society of Automotive Engineers, Inc., 1998.

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Chuvikov, Dmitriy. Models and algorithms for reconstruction and examination of emergency events of road accidents based on logical artificial intelligence. 2nd ed. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1220729.

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The purpose of the monograph is to create a methodology, combined expert and simulation models, as well as algorithms and software-modeling tools for reconstruction and examination of accident events for automating decision-making by an expert center employee. The methodology of combining and algorithms of joint work of an expert system based on logical artificial intelligence (mivar approach) and a simulation system for solving problems of reconstruction and examination of road accidents are developed; model reconstruction and examination of the accident in the formalism of the knowledge base bipartite oriented mivar nets, including analysis formulas braking qualities of the vehicle, determining the speed of a car's performance in terms of specific DTS, the formula for calculating different occasions: - slip car when braking, driving on curved sections of the road, hitting a car on the pedestrian in uniform motion and unlimited visibility; a method of generation of interfaces for designer expert systems based on the concept of mivar approach; special software in the form of expert systems "Analysis of road accident" in order to reduce the complexity of the process of calculating the disputed accidents, errors in the calculation and improve the accuracy and objectivity of the results obtained and the speed and quality of the calculations. It can be useful to specialists of expert institutions, insurance companies, educational institutions in the field of expertise, as well as unmanned vehicles in terms of objective analysis and examination of road accidents.
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Commercial Vehicle Braking Systems: Air Brakes, ABS and Beyond, the 43rd Buckendale Lecture (Special Publications). SAE International, 1998.

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United States. National Highway Traffic Safety Administration, ed. Antilock braking systems (ABS): Reading this could be one of the safest things you ever do. [Washington, D.C.?]: U.S. Dept. of Transportation, National Highway Traffic Safety Administration, 2000.

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5

Kalinichenko, Evgeny. Theory and methods for calculating the inertial-braking characteristics of a ship. «Scientific Route» OÜ, 2020. http://dx.doi.org/10.21303/978-617-7319-30-5.

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One of the most serious problems of modern navigation is the accident rate that occurs due to inept or belated maneuvering of ships. As a result of accidents in the world, more than 200 ships die every year and every fourth receives significant damage. Full-scale tests show that the stopping distance of large-tonnage ships turn out to be much less permissible, and shipbuilders are able to significantly reduce the astern power of such ships, making them cheaper at the expense of safety. The low accuracy of inertial-braking characteristics is mainly due to unqualified field tests. Analysis of graphs and tables based on the results of such tests show that the spread in the values of inertial-braking characteristics for ships of the same type reaches 30%, and in some cases even more. In many tables and graphs, inertial-braking characteristics are expressed in relative values and are not suitable for direct use when maneuvering a ship. Finally, even when graphical and/or tabular maneuvering information is available on the navigating bridge, it is difficult to use it when maneuvering a ship at night. The research carried out by the author results in: - creation of an alternative computational method for determining the inertial-braking characteristics of the ship, suitable for use on any on-board computer; - development of an improved methodology for calculating the path and time of acceleration and braking of the ship in various ahead motion modes; - development of a methodology for taking into account the influence of a passing and opponent current on the length of the stopping distance of the ship; - development of methods for solving applied problems, ensuring a decrease in the accident rate of ships during maneuvering. The obtained methods include the development of theoretical foundations, mathematical models and comparison of the calculated inertial-braking characteristics of ships with the data of a full-scale experiment. For the first time, to derive the calculated formulas for the time and stopping distance, theorems are used on the change in the momentum and kinetic energy during accelerated and decelerated motion of the ship. In the course of the study, the problems of calculating and formalizing the inertial-braking characteristics of the ship are being comprehensively solved. For the first time, the hypothesis that the nature of the change in the thrust force of the propeller during reverse can be approximated by linear equations has been substantiated and confirmed. The general results are used to calculate the inertial-braking characteristics of specific ships.
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Bell, Carl C. Juveniles. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199360574.003.0056.

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The incarceration of juveniles occurs in both juvenile systems and adult correctional systems, depending on jurisdiction, age, and criminal charges. Holding adolescents responsible for behavior that sometimes leads to juvenile crimes ensures that offenders will be held accountable, but also provides justice to victims. However, children are still developing, and their brains develop from bottom up and inside out causing their flight, fight, or freeze (limbic) systems to be fully engaged before their judgment and wisdom (frontal lobe) systems are in place to mediate their behavior. Children are not little adults. More simply put - children are essentially all gasoline and no brakes or steering wheel, and they need mature adults to provide braking and steering until they can develop their own internal control systems. Accordingly, the mechanisms of accountability for juveniles should not mimic adult punishments. Suicide risk, developmental disabilities such as fetal alcohol spectrum disorder, and trauma histories are each of particular importance in this age group. Considering the complexity of the mental, emotional, and behavioral disorders of youth in corrections, there are several best-practice approaches to screening, assessment, and treatment. This chapter reviews the history of juvenile incarceration, and best or evidence-based practices in the management and treatment of incarcerated juvenile offenders.
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Bell, Carl C. Juveniles. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199360574.003.0056_update_001.

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The incarceration of juveniles occurs in both juvenile systems and adult correctional systems, depending on jurisdiction, age, and criminal charges. Holding adolescents responsible for behavior that sometimes leads to juvenile crimes ensures that offenders will be held accountable, but also provides justice to victims. However, children are still developing, and their brains develop from bottom up and inside out causing their flight, fight, or freeze (limbic) systems to be fully engaged before their judgment and wisdom (frontal lobe) systems are in place to mediate their behavior. Children are not little adults. More simply put - children are essentially all gasoline and no brakes or steering wheel, and they need mature adults to provide braking and steering until they can develop their own internal control systems. Accordingly, the mechanisms of accountability for juveniles should not mimic adult punishments. Suicide risk, developmental disabilities such as fetal alcohol spectrum disorder, and trauma histories are each of particular importance in this age group. Considering the complexity of the mental, emotional, and behavioral disorders of youth in corrections, there are several best-practice approaches to screening, assessment, and treatment. This chapter reviews the history of juvenile incarceration, and best or evidence-based practices in the management and treatment of incarcerated juvenile offenders.
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Stephen, Matthew D., and Michael Zürn, eds. Contested World Orders. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198843047.001.0001.

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Contested World Orders systematically compares the demands of rising powers and non-governmental organizations towards international institutions. As international institutions have taken on ever more ambitious tasks, they have been challenged by rising powers dissatisfied with existing institutional inequalities, by non-governmental organizations worried about the direction of global governance, and even by some established powers no longer content to lead the institutions they themselves created. While the debates about the changing international system often focus on the overall structure, this book aims at providing a comprehensive and comparative analysis of the constellation of preferences on the level of individual institutions. Three contributions should be highlighted. First, while demands for change are numerous and often severe, they are largely driven by specific institutional features and interest constellations. There is little evidence of a cleavage between established and rising powers or a hegemonic struggle between the US and China. On many conflicts there are established and rising powers on both sides. Second, in some cases the rising powers have in fact defended the status quo. They have opposed both Western countries’ attempts to increase the intrusiveness of market-making international institutions and NGOs’ attempts to have stronger market-braking regulation of global markets. Third, conflicts appear to be most intractable where established powers aim to defend their institutional privileges against rising powers who demand institutional roles commensurate with their new-found influence.
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Dolgopolski, Sergey. Other Others. Fordham University Press, 2018. http://dx.doi.org/10.5422/fordham/9780823280186.001.0001.

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Denying existence to certain others, while still tolerating diversity, stabilizes a political order in a society; or does it? Addressing this classical question of political thought, Other Others intervenes both to the study of the Talmud and Jewish Thought in its aftermath, and to political theory in general. Braking through the horizon of the currently predominant approaches to the concept of the political in political ontology and political theology, the book turns to the Talmud. In light and despite these theories, the pages of the Talmud provide a (dis)appearing display of the interpersonal rather than intersubjective political, which entails a radically different take on what engaging others means in society. The book shows how philosophy- and theology-driven approaches to the concept of the political have tacitly elided a concept of the interpersonal political, which the Talmud exemplifies. Both addressing and resisting such an elision, the book rereads the Talmud, while at the same time and by the same move reconsidering contemporary political theory. At the center of the analysis are figures of excluded others – of the “other others” who programmatically do not claim any “original” belonging to a territory and therefore by the logic of the currently predominant schools of political thought are questionable in their right to exist. The Political moves from a modern political figure of “Jews” as such “other others” to the Talmud, arriving, at the end, to a demand to think earth anew, now beyond the notions of territory, land, nationalism, internationalism, or even beyond the scope of a territorialized universe.
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Schmidt, Robert Kyle. The Design of Aircraft Landing Gear. SAE International, 2021. http://dx.doi.org/10.4271/9780768099430.

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The aircraft landing gear and its associated systems represent a compelling design challenge: simultaneously a system, a structure, and a machine, it supports the aircraft on the ground, absorbs landing and braking energy, permits maneuvering, and retracts to minimize aircraft drag. Yet, as it is not required during flight, it also represents dead weight and significant effort must be made to minimize its total mass. The Design of Aircraft Landing Gear, written by R. Kyle Schmidt, PE (B.A.Sc. - Mechanical Engineering, M.Sc. - Safety and Aircraft Accident Investigation, Chairman of the SAE A-5 Committee on Aircraft Landing Gear), is designed to guide the reader through the key principles of landing system design and to provide additional references when available. Many problems which must be confronted have already been addressed by others in the past, but the information is not known or shared, leading to the observation that there are few new problems, but many new people. The Design of Aircraft Landing Gear is intended to share much of the existing information and provide avenues for further exploration. The design of an aircraft and its associated systems, including the landing system, involves iterative loops as the impact of each modification to a system or component is evaluated against the whole. It is rare to find that the lightest possible landing gear represents the best solution for the aircraft: the lightest landing gear may require attachment structures which don't exist and which would require significant weight and compromise on the part of the airframe structure design. With those requirements and compromises in mind,The Design of Aircraft Landing Gear starts with the study of airfield compatibility, aircraft stability on the ground, the correct choice of tires, followed by discussion of brakes, wheels, and brake control systems. Various landing gear architectures are investigated together with the details of shock absorber designs. Retraction, kinematics, and mechanisms are studied as well as possible actuation approaches. Detailed information on the various hydraulic and electric services commonly found on aircraft, and system elements such as dressings, lighting, and steering are also reviewed. Detail design points, the process of analysis, and a review of the relevant requirements and regulations round out the book content. The Design of Aircraft Landing Gear is a landmark work in the industry, and a must-read for any engineer interested in updating specific skills and students preparing for an exciting career.
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Book chapters on the topic "ABS braking"

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Kost, Friedrich, Thomas Ehret, Jochen Wagner, Ulrich Papert, Frank Heinen, Peter Eberspächer, Jürgen Schuh, Heinz-Jürgen Koch-Dücker, and Frank Niewels. "Antilock Braking System (ABS)." In Automotive Mechatronics, 354–69. Wiesbaden: Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-03975-2_14.

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Koch-Dücker, Heinz-Jürgen, and Ulrich Papert. "Antilock braking system (ABS)." In Brakes, Brake Control and Driver Assistance Systems, 74–93. Wiesbaden: Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-03978-3_6.

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Zhang, Ruicheng. "ODISSEE Test of ABS Anti-lock Braking System." In Lecture Notes in Electrical Engineering, 181–93. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9718-9_14.

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Goga, V., T. Jediný, V. Královič, and M. Klúčik. "Mechatronic Model of Anti-lock Braking System (ABS)." In Mechatronics, 63–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23244-2_8.

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Wu, Dongsheng, Jun Li, Xiaoping Shu, Xiaojing Zha, and Beili Xu. "Test Analysis and Theoretical Calculation on Braking Distance of Automobile with ABS." In Computer and Computing Technologies in Agriculture IV, 521–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18369-0_62.

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Jianming, Cheng, Li Min, Feng Kaige, and Zhan Yu. "The Study of Braking Performance of Automobile ABS Based on Fuzzy Control Algorithm." In Advances in Intelligent and Soft Computing, 145–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10430-5_11.

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Chen, Hsing-Chung, Andika Wisnujati, Agung Mulyo Widodo, Yu-Lin Song, and Chi-Wen Lung. "Antilock Braking System (ABS) Based Control Type Regulator Implemented by Neural Network in Various Road Conditions." In Advances in Networked-Based Information Systems, 223–37. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84913-9_21.

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Jarrar, Abdessamad, and Youssef Balouki. "Antilock Braking System Formal Modeling." In Advances in Computer and Electrical Engineering, 412–29. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0117-7.ch015.

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Antilock Braking System (ABS) is one of the most critical systems in the context of vehicles' mechatronics. The main purpose of the ABS system is allowing the wheels to stop while preventing sliding. It is responsible for ensuring a secure stopping of the vehicle, a very critical factor in trip safety. Therefore, the process of its construction should be performed with high care, and this is why theoretical modeling is highly needed. In order to help engineers to develop and study such a critical system, we propose a standard model that includes the essence of Antilock Braking System using a formal method called Event-B. This model may be used to reveal some bugs during proving that may go otherwise undetected. At the same time, the model can be animated to observe the system behavior.
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"In-wheel-motor vehicle ABS control strategy based on regenerative braking torque adjustment." In Manufacturing Engineering and Intelligent Materials, 325–30. CRC Press, 2015. http://dx.doi.org/10.1201/b18620-54.

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Beles, Horia, Alexandru Rus, George Dragomir, Tudor Mitran, Daniel Trusca, and Bogdan Tolea. "Researches Regarding the Continuous Improvement of the ABS (Anti-Lock Braking System) Operation for the Passenger Cars." In DAAAM Proceedings, 0196–205. DAAAM International Vienna, 2016. http://dx.doi.org/10.2507/26th.daaam.proceedings.027.

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Conference papers on the topic "ABS braking"

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Strickland, Alan, and Ken Dagg. "ABS Braking Performance and Steering Input." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/980240.

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Riccardo Morselli, Francesco Canuto, and Claudio Fonti. "ABS Braking System for Agricultural Tractors." In 2010 Pittsburgh, Pennsylvania, June 20 - June 23, 2010. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2010. http://dx.doi.org/10.13031/2013.29787.

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Taheri, Saied. "A Simple ABS Control Strategy." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49303.

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A new control strategy for Anti-lock Braking System was developed to improve vehicle braking during emergency maneuvers. Various prediction and re-selection methods were evaluated using a nonlinear vehicle model. To improve upon the evaluated control strategies, Conjugate Boundary method and Poincare Mapping concept were used. The new control strategy developed has proved to be more effective during emergency braking and steering maneuvers.
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Deng Hong-xing, Zhang Wen-hui, and Wang Xian-bin. "Pressure fluctuation test in ABS braking pipelines." In 2010 International Conference on Computer Design and Applications (ICCDA 2010). IEEE, 2010. http://dx.doi.org/10.1109/iccda.2010.5541022.

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Metz, L. Daniel, and Duane Meyers. "Controlled Braking Experiments with and without ABS." In SAE 2010 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-01-0100.

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El-bakkouri, Jamal, Hamid Ouadi, and Abdallah Saad. "Extended Luenberger Observer for ABS Braking System." In 2020 International Conference on Electrical and Information Technologies (ICEIT). IEEE, 2020. http://dx.doi.org/10.1109/iceit48248.2020.9113218.

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Gao, Yimin, and Mehrdad Ehsani. "Electronic Braking System of EV And HEV---Integration of Regenerative Braking, Automatic Braking Force Control and ABS." In Future Transportation Technology Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-2478.

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Infantini, Mauricio Blanco, João Francisco Fleck Heck Britto, and Eduardo Perondi. "MODEL OF AN ABS PNEUMATIC REGENERATIVE BRAKING SYSTEM." In SAE Brasil 2005 Congress and Exhibit. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-4033.

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Khanse, Karan R., Eric Pierce, Michael Ng, and Saied Taheri. "Performance Measurement of Vehicle Antilock Braking Systems (ABS)." In SAE 2015 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2015. http://dx.doi.org/10.4271/2015-01-0591.

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Gandi, Varaprasad, Lavanya M S Jr, and Sharath Sindhe Jr. "Virtual ECU Development for Antilock Braking System (ABS)." In SAE WCX Digital Summit. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2021. http://dx.doi.org/10.4271/2021-01-0128.

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Reports on the topic "ABS braking"

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Li, Howell, Jijo K. Mathew, Woosung Kim, and Darcy M. Bullock. Using Crowdsourced Vehicle Braking Data to Identify Roadway Hazards. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317272.

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Modern vehicles know more about the road conditions than transportation agencies. Enhanced vehicle data that provides information on “close calls” such as hard braking events or road conditions during winter such as wheel slips and traction control will be critical for improving safety and traffic operations. This research applied conflict analyses techniques to process approximately 1.5 million hard braking events that occurred in the state of Indiana over a period of one week in August 2019. The study looked at work zones, signalized intersections, interchanges and entry/exit ramps. Qualitative spatial frequency analysis of hard-braking events on the interstate demonstrated the ability to quickly identify temporary and long-term construction zones that warrant further investigation to improve geometry and advance warning signs. The study concludes by recommending the frequency of hard-braking events across different interstate routes to identify roadway locations that have abnormally high numbers of “close calls” for further engineering assessment.
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Nishimura, Masatsugu, Yoshitaka Tezuka, Enrico Picotti, Mattia Bruschetta, Francesco Ambrogi, and Toru Yoshii. Study of Rider Model for Motorcycle Racing Simulation. SAE International, January 2020. http://dx.doi.org/10.4271/2019-32-0572.

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Various rider models have been proposed that provide control inputs for the simulation of motorcycle dynamics. However, those models are mostly used to simulate production motorcycles, so they assume that all motions are in the linear region such as those in a constant radius turn. As such, their performance is insufficient for simulating racing motorcycles that experience quick acceleration and braking. Therefore, this study proposes a new rider model for racing simulation that incorporates Nonlinear Model Predictive Control. In developing this model, it was built on the premise that it can cope with running conditions that lose contact with the front wheels or rear wheels so-called "endo" and "wheelie", which often occur during running with large acceleration or deceleration assuming a race. For the control inputs to the vehicle, we incorporated the lateral shift of the rider's center of gravity in addition to the normally used inputs such as the steering angle, throttle position, and braking force. We compared the performance of the new model with that of the conventional model under constant radius cornering and straight braking, as well as complex braking and acceleration in a single (hairpin) corner that represented a racing run. The results showed that the new rider model outperformed the conventional model, especially in the wider range of running speed usable for a simulation. In addition, we compared the simulation results for complex braking and acceleration in a single hairpin corner produced by the new model with data from an actual race and verified that the new model was able to accurately simulate the run of actual MotoGP riders.
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Kapelyushnyi, Anatolyi. TRANSFORMATION OF FORMS OF DEGREES OF COMPARISON OF ADJECTIVES IN LIVE TELEVISION BROADCASTING. Ivan Franko National University of Lviv, March 2021. http://dx.doi.org/10.30970/vjo.2021.50.11105.

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The article analyzes transformation of forms of degrees of comparison of adjectives in live television broadcasting. Particular attention is paid to the specific properties of different forms of degrees of comparison of adjectives. To analyze the peculiarities of their use for errors in speech of television journalists, associated with non-compliance with linguistic norms on ways to avoid these errors, to make appropriate recommendations to television journalists. The main method we use is to observe the speech of live TV journalist, we used during the study methods of comparative analysis of comparison of theoretical positions from the work of individual linguists and journalism sat down as well as texts that sounded in the speech of journalists. Our objective is to trace these transformations and develop a certain attitude towards them in our researches of the language of the media and practicing journalists to support positive trends in the development of the broadcasting on TV and give recommendations for overcoming certain negative trends. Improving the live broadcasting of television journalists, in particular the work on deepening the language skills will contribute to the modernization of some trends in the reasonable expediency of the transformation of certain phenomena, moder­nization of some tendencies concerning the reasonable expedient transformation of separate grammatical phenomena and categories and at braking and in general stopping of processes of transformation of negative unreasonable not expedient. This fully applies primarily to attempts to transform the forms of degrees of comparison of adjectives and this explains importance of the results achieved in these study.
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