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Journal articles on the topic 'Motor vehicles - Dynamics - Computer simulation'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Wang, Yong, Hongguo Cai, Yinghua Liao, and Jun Gao. "Study on Global Parameters Optimization of Dual-Drive Powertrain System of Pure Electric Vehicle Based on Multiple Condition Computer Simulation." Complexity 2020 (July 25, 2020): 1–10. http://dx.doi.org/10.1155/2020/6057870.

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Equipped with two power sources, the dual-driving powertrain system for pure electric vehicles has a driving mode different from traditional electric vehicles. Under the premise that the structural form of the transmission system remains unchanged, the following transmission schemes can be adopted for double drive electric vehicles according to the demand power: the main and auxiliary electric transmission scheme (two motors are driven separately with dual-motor coupling drive), the transmission scheme in which the two motors always maintain coupling drive, and the speed-regulating type electr

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2

Tucki, Karol, Andrzej Wasiak, Olga Orynycz, and Remigiusz Mruk. "Computer Simulation as a Tool for Managing the Technical Development of Methods for Diagnosing the Technical Condition of a Vehicle." Energies 13, no. 11 (2020): 2869. http://dx.doi.org/10.3390/en13112869.

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Introduced by the Civil Code, the rules of road safety are introducing continuously increasingly strict requirements on motor vehicles. These requirements relate to various aspects of the technical condition of vehicles, both those that determine traffic safety and those that affect the vehicle’s environmental impact. The law requires regular diagnosis of the technical condition of vehicles in service. Diagnostic tests conducted in the form of road tests or the tests performed in workshop conditions allow to determine the symptoms of dysfunctions of the tested vehicle, not always clearly defin

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Szántó, Attila, János Kiss, Tamás Mankovits, and Gusztáv Áron Szíki. "Dynamic Test Measurements and Simulation on a Series Wound DC Motor." Applied Sciences 11, no. 10 (2021): 4542. http://dx.doi.org/10.3390/app11104542.

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Previously, a dynamic model and a simulation program for series wound DC motors (SWDCM) were developed in MATLAB/Simulink for modelling them in electric vehicles and mechatronic systems. The electromagnetic characteristics of the motor (electric resistances, dynamic inductances), which serve as input parameters of the program, were also measured. Additionally, locked rotor response measurements were performed to test the accuracy of the measured electromagnetic characteristics. This paper presents the experimental procedure and the results of dynamics test measurements that were performed on t

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Uyulan, Çağlar, and Metin Gokasan. "Modeling, simulation and re-adhesion control of an induction motor–based railway electric traction system." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 232, no. 1 (2017): 3–11. http://dx.doi.org/10.1177/0959651817732487.

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Increasing the traction force is a complex problem in the design of railway vehicles; therefore, effective traction systems and algorithms have to be developed. During the traction process, the verification of traction algorithms and control strategies are based on simulations covering all locomotive dynamics. In this article, traction model of a railway vehicle and re-adhesion control method based on simulation approach are investigated to obtain more effective results. The longitudinal dynamic of a railway vehicle having traction system, which comprises two parallel motor groups, each of whi

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Kisilowski, Jerzy, and Jarosław Zalewski. "Selected aspects of motor vehicle dynamics on the example of a power-off straight line maneuver." Archives of Transport 50, no. 2 (2019): 57–76. http://dx.doi.org/10.5604/01.3001.0013.5647.

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In this paper the selected phenomena related to motor vehicle’s motion have been considered basing on a computer simulation. The vehicle performed a power-off straight line maneuver with different road conditions being included. All simulations have been performed in the MSC Adams/Car environment based on the available sports two-seater vehicle model, realizing the adopted maneuver at the instant speed of 100km/h. This enabled observation of the selected phenomena along the road long enough to relate them to different aspects of vehicle dynamics research. As for the randomly uneven road, almos

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Riba, Jordi-Roger, Antoni Garcia, and Luís Romeral. "A computer experiment to simulate the dynamic behaviour of electric vehicles driven by switched reluctance motors." International Journal of Electrical Engineering & Education 51, no. 4 (2014): 368–82. http://dx.doi.org/10.7227/ijeee.0008.

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The study of the dynamic behaviour of electric vehicles is being incorporated in the syllabuses of an increasing number of graduate and undergraduate courses. This paper analyses the basic mechanical and electric concepts of electric traction applied to automobiles. For this purpose, in this work the switched reluctance motor is analysed. A model based on MATLAB/Simulink to simulate the behaviour of both the electric motor and the vehicle dynamics is described. It allows students to gain a better understanding of the fundamental mechanical and electrical concepts by simulating the system behav

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Fansen, Kong, and Sui Jie. "Computer simulation of driver working memory processing." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 219, no. 10 (2005): 1165–71. http://dx.doi.org/10.1243/095440705x34856.

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In general, using simulations to solve problems of human behaviour, as is done in engineering, is particularly difficult. Making use of research into motor vehicle manoeuvrability, this article studies, from the engineering perspective, a computer simulation of working memory processing disabilities of automobile drivers. Firstly, utilizing theories drawn from cognitive psychology, motor vehicle manoeuvrability dynamics, and fuzzy control theory, a driver working memory simulation model is advanced. The model integrates working memory, which is a critical factor in predicting complex cognitive

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Chen, Qiping, Yue Tian, Chuanjie Liao, Sheng Kang, and Ning Wang. "Electromagnetic simulation of an external rotor PM hub motor power device for distributed driving electric vehicle." Advances in Mechanical Engineering 12, no. 10 (2020): 168781402096652. http://dx.doi.org/10.1177/1687814020966528.

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In order to increase efficiency and reliability of hub motor power device for distributed driving electric vehicle, a novel hub motor with an external rotor PM (permanent magnet) is designed and optimized. The performance parameters of hub motor are computed and selected based on vehicle dynamics indicators and the driving equations. This paper determines the optimum primary size of hub motor by choosing appropriate magnetic circuit structure and integrating three key parameters, including as stator split ratio, electromagnetic load and viscous damping coefficient. This paper has built the ana

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9

Vo-Duy, Thanh, Minh C. Ta, Bảo-Huy Nguyễn, and João Pedro F. Trovão. "Experimental Platform for Evaluation of On-Board Real-Time Motion Controllers for Electric Vehicles." Energies 13, no. 23 (2020): 6448. http://dx.doi.org/10.3390/en13236448.

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Electric vehicles are considered to be a greener and safer means of transport thanks to the distinguished advantages of electric motors. Studies on this object require experimental platforms for control validation purpose. Under the pressure of research, the development of these platforms must be reliable, safe, fast, and cost effective. To practically validate the control system, the controllers should be implemented in an on-board micro-controller platform; whereas, the vehicle model should be realized in a real-time emulator that behaves like the real vehicle. In this paper, we propose a si

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Szántó, Attila, and Gusztáv Áron Szíki. "Review of Modern Vehicle Powertrains and Their Modelling and Simulation in MATLAB/Simulink." International Journal of Engineering and Management Sciences 5, no. 2 (2020): 232–50. http://dx.doi.org/10.21791/ijems.2020.2.29.

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Thanks to technological advances and environmental standards, as well as changing usage patterns, road vehicles are constantly developing. Electric and hybrid vehicles are playing an increasingly important role in today’s road transport. The most significant changes are probably in the powertrain of vehicles. The efficiency of internal combustion engines increases while their emissions continue to decline. In addition, high performance electric motors, batteries and even fuel cells play an increasingly important role in hybrid and electric vehicles. In this publication, we review the drive sys

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11

Dantas, Amanda Danielle O. da S., André Felipe O. de A. Dantas, João Tiago L. S. Campos, Domingos L. de Almeida Neto, and Carlos Eduardo T. Dórea. "PID Control for Electric Vehicles Subject to Control and Speed Signal Constraints." Journal of Control Science and Engineering 2018 (August 1, 2018): 1–11. http://dx.doi.org/10.1155/2018/6259049.

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A PID control for electric vehicles subject to input armature voltage and angular velocity signal constraints is proposed. A PID controller for a vehicle DC motor with a separately excited field winding considering the field current constant was tuned using controlled invariant set and multiparametric programming concepts to consider the physical motor constraints as angular velocity and input armature voltage. Additionally, the integral of the error, derivative of the error constraints, and λ were considered in the proposed algorithm as tuning parameters to analyze the DC motor dynamic behavi

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Wu, Xiaogang, Dianyu Zheng, Tianze Wang, and Jiuyu Du. "Torque Optimal Allocation Strategy of All-Wheel Drive Electric Vehicle Based on Difference of Efficiency Characteristics between Axis Motors." Energies 12, no. 6 (2019): 1122. http://dx.doi.org/10.3390/en12061122.

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All-wheel drive is an important technical direction for the future development of pure electric vehicles. The difference in the efficiency distribution of the shaft motor caused by the optimal load matching and motor manufacturing process, the traditional torque average distribution strategy is not applicable to the torque distribution of the all-wheel drive power system. Aiming at the above problems, this paper takes the energy efficiency of power system as the optimization goal, proposes a dynamic allocation method to realize the torque distribution of electric vehicle all-wheel drive power

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Bogdevičius, Marijonas, Olegas Prentkovskis, and Oleg Vladimirov. "ENGINEERING SOLUTIONS OF TRAFFIC SAFETY PROBLEMS OF ROAD TRANSPORT." TRANSPORT 19, no. 1 (2004): 43–50. http://dx.doi.org/10.3846/16484142.2004.9637952.

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The authors of this paper focus on the simulation of the motor vehicle movement (taking into consideration motor vehicle dynamics, motor vehicle hydraulic brake system influence on motor vehicle movement, interaction between its wheels with road pavements, road guardrail characteristics, interaction between motor vehicle and road guardrail) on a certain road section and propose their specific solution of this problem. The presented results, illustrating the motor vehicle movement trajectories (motor vehicle braking and interaction between motor vehicle and road guardrail at various initial con

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Dou, Haishi, Youtong Zhang, and Likang Fan. "Design of Optimized Energy Management Strategy for All-Wheel-Drive Electric Vehicles." Applied Sciences 11, no. 17 (2021): 8218. http://dx.doi.org/10.3390/app11178218.

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The performance of the all-wheel-drive electric vehicle is inseparable from the energy management strategy (EMS). An outstanding EMS could extend the cycling mileage, coordinating the power output of the battery and exerts the advantage of the motor comprehensively. However, the current EMS has poor performance in real-time, and this paper proposes the dynamic programming coordination strategy (DPCS) to solve the problem. Firstly, the EMS based on a rule-based control strategy (RBCS) is applied in a different driving cycle. Secondly, the dynamic programming algorithm (DP) is proposed in the pr

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Xing, Jiaming, Liang Chu, and Chong Guo. "Optimization of Energy Consumption Based on Traffic Light Constraints and Dynamic Programming." Electronics 10, no. 18 (2021): 2295. http://dx.doi.org/10.3390/electronics10182295.

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Traffic lights are an important part of urban roads. They improve traffic conditions but bring about a limitation of driving speed in the space–time domain for vehicles. In this paper, a traffic light model based on a vehicle–road cooperative system is built. The model provides the vehicle with speed constraints when passing the green light in the time–space domain. A global-optimization-based energy management strategy based on dynamic programming (DP) is constructed with the constraints. The simulations are performed for two driving situations of different signal phases with the electric veh

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16

Fu, Jiangtao, Shuzhong Song, Zhumu Fu, and Jianwei Ma. "Design of coordinated control strategy during driving mode switching for parallel hybrid electric vehicles." Transactions of the Institute of Measurement and Control 41, no. 9 (2018): 2507–20. http://dx.doi.org/10.1177/0142331218803669.

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Hybrid electric vehicles (HEVs) require the power to drive the vehicle via a combination of internal combustion engine (ICE) and electric machine (EM). To improve the drivability, the smooth torque change during the driving mode switching is essential. This task can be achieved by using the coordinated control strategy. This paper presents a coordinated control strategy based on considering the different dynamic response characteristics of the ICE and the EM, which can effectively suppress the torque surge during the driving mode switching processes. The novelty lies in the proposed control is

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17

Elsherbiny, Hanaa, Mohamed Kamal Ahmed, and Mahmoud Elwany. "Comparative Evaluation for Torque Control Strategies of Interior Permanent Magnet Synchronous Motor for Electric Vehicles." Periodica Polytechnica Electrical Engineering and Computer Science 65, no. 3 (2021): 244–61. http://dx.doi.org/10.3311/ppee.16672.

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This paper presents a detailed analysis and comparative investigation for the torque control techniques of interior permanent magnet synchronous motor (IPMSM) for electric vehicles (EVs). The study involves the field-oriented control (FOC), direct torque control (DTC), and model predictive direct torque control (MPDTC) techniques. The control aims to achieve vehicle requirements that involve maximum torque per ampere (MTPA), minimum torque ripples, maximum efficiency, fast dynamics, and wide speed range. The MTPA is achieved by the direct calculation of reference flux-linkage as a function of

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18

Liang, B., and S. D. Iwnicki. "Independently Rotating Wheels with Induction Motors for High-Speed Trains." Journal of Control Science and Engineering 2011 (2011): 1–7. http://dx.doi.org/10.1155/2011/968286.

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Railway vehicles with conventional wheelsets often experience problems of lateral instabilities or severe wear when running at high speed. The use of an independently rotating wheelset (IRW) can potentially eliminate the cause of wheelset hunting and reduce wheel wear as the mechanical feedback mechanism causing the problem is decoupled. This paper presents an investigation into the design of a novel induction motor configuration and controller for IRW in order to provide the stability required to satisfy the performance requirements for railway vehicles. A computer model of the mechanical and

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19

Hwang, Hsiu-Ying, and Jia-Shiun Chen. "Optimized Fuel Economy Control of Power-Split Hybrid Electric Vehicle with Particle Swarm Optimization." Energies 13, no. 9 (2020): 2278. http://dx.doi.org/10.3390/en13092278.

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This research focused on real-time optimization control to improve the fuel consumption of power-split hybrid electric vehicles. Particle swarm optimization (PSO) was implemented to reduce fuel consumption for real-time optimization control. The engine torque was design-variable to manage the energy distribution of dual energy sources. The AHS II power-split hybrid electric system was used as the powertrain system. The hybrid electric vehicle model was built using Matlab/Simulink. The simulation was performed according to US FTP-75 regulations. The PSO design objective was to minimize the equi

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Li, Huimin, Shoudao Huang, Derong Luo, Jian Gao, and Peng Fan. "Dynamic DC-link Voltage Adjustment for Electric Vehicles Considering the Cross Saturation Effects." Energies 11, no. 8 (2018): 2046. http://dx.doi.org/10.3390/en11082046.

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The demands of remarkable reliability and high power density of traction systems are becoming more and more rigorous. The conflicting requirements imposed on the control strategy are higher accuracy and higher efficiency over the whole speed range. However, parameter variations caused by the cross coupling and magnetic saturation effect (omitted from the cross saturation effects in the following) are usually neglected in conventional control strategies, which could reduce the control precision. In order to fully consider the influence of parameter changes on the motor control and derive an app

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Song, Pengxiang, Yulong Lei, and Yao Fu. "Multi-Objective Optimization and Matching of Power Source for PHEV Based on Genetic Algorithm." Energies 13, no. 5 (2020): 1127. http://dx.doi.org/10.3390/en13051127.

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Power system parameter matching is one of the key technologies in the development of hybrid electric vehicles. The power source is the key component of the power system which composed of engine, motor, and battery. Reasonable power source parameters are conducive to improve the power, fuel economy, and emission performance of vehicles. In this paper, regarding the problem that the plug-in hybrid electric vehicle (PHEV) parameter matching needs to weigh different design objectives, a multi-objective optimization and matching method based on a genetic algorithm is proposed. The vehicle dynamic m

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Liu, Chien-Sheng, Yi-Hsuan Lin, and Chiu-Nung Yeh. "Analytical Investigation on Torque of Three-Degree-of-Freedom Electromagnetic Actuator for Image Stabilization." Applied Sciences 11, no. 15 (2021): 6872. http://dx.doi.org/10.3390/app11156872.

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In keeping with consumers’ preferences for electromagnetic motors of ever smaller power consumption, it is necessary to improve the power efficiency of the electromagnetic motors used in unmanned aerial vehicles and robots without sacrificing their performance. Three-degree-of-freedom (3-DOF) spherical motors have been developed for these applications. Accordingly, this study modifies the 3-DOF spherical motor proposed by Hirata’s group in a previous study (Heya, A.; Hirata, K.; Niguchi, N., Dynamic modeling and control of three-degree-of-freedom electromagnetic actuator for image stabilizatio

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Brdulak, Anna, Grażyna Chaberek, and Jacek Jagodziński. "Determination of Electricity Demand by Personal Light Electric Vehicles (PLEVs): An Example of e-Motor Scooters in the Context of Large City Management in Poland." Energies 13, no. 1 (2020): 194. http://dx.doi.org/10.3390/en13010194.

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Personal light electric vehicles (PLEVs) are a phenomenon that can currently be observed in cities, intended to be an ecological form of transport. The authors of the paper make an attempt to determine electricity consumption by PLEVs in the context of managing a large city in accordance with the concept of sustainable development. The article is of a cognitive nature. Research questions posed against the background of the goal formulated are as follows: how strong will the demand for PLEVs be (in the example of e-motor scooters, taking into consideration the number of vehicles) and for the el

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Bai, Zhenyuan, Yufeng Lu, and Yunxia Li. "Method of Improving Lateral Stability by Using Additional Yaw Moment of Semi-Trailer." Energies 13, no. 23 (2020): 6317. http://dx.doi.org/10.3390/en13236317.

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The lateral stability control of tractor semi-trailer plays a vital role for enhancing its driving safety, and the distributed electric drive structure of a hub motor creates opportunities and challenges for realising the lateral stability accurately. Based on the dynamics simulation software TruckSim, a nonlinear dynamic tractor semi-trailer model is established, and a MATLAB/Simulink linear three-degree-of-freedom monorail reference model is established. The upper controller adopts fuzzy proportional–integral–derivative control to export active yaw torque values of the tractor and semi-trail

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Yang, Yang, Qiang He, Yongzheng Chen, and Chunyun Fu. "Efficiency Optimization and Control Strategy of Regenerative Braking System with Dual Motor." Energies 13, no. 3 (2020): 711. http://dx.doi.org/10.3390/en13030711.

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The regenerative braking system of electric vehicles can not only achieve the task of braking but also recover the braking energy. However, due to the lack of in-depth analysis of the energy loss mechanism in electric braking, the energy cannot be fully recovered. In this study, the energy recovery problem of regenerative braking using the independent front axle and rear axle motor drive system is investigated. The accurate motor model is established, and various losses are analyzed. Based on the principle of minimum losses, the motor control strategy is designed. Furthermore, the power flow c

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Mwasilu, Francis. "Direct Predictive Speed Control of Salient PMSM Drives in Constant Torque and Constant Power Regimes for Electric Vehicles Applications." Tanzania Journal of Engineering and Technology 39, no. 2 (2020): 127–43. http://dx.doi.org/10.52339/tjet.v39i2.700.

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A direct speed control of salient permanent magnet synchronous motor (PMSM) drives in constant torque and constant power regimes for electric vehicles applications is presented. The proposed speed control scheme is derived from model predictive control approach where both rotor speed and stator current are formulated in a single objective function that is periodically computed to attain the PMSM drive optimum switching states. The dynamic model of the PMSM intrinsically encompasses the unknown disturbance, which should be rejected for high-performance speed control especially in transient cond

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Pan, Chaofeng, Yanyan Liang, Long Chen, and Liao Chen. "Optimal Control for Hybrid Energy Storage Electric Vehicle to Achieve Energy Saving Using Dynamic Programming Approach." Energies 12, no. 4 (2019): 588. http://dx.doi.org/10.3390/en12040588.

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In this paper, the efficiency characteristics of battery, super capacitor (SC), direct current (DC)-DC converter and electric motor in a hybrid power system of an electric vehicle (EV) are analyzed. In addition, the optimal efficiency model of the hybrid power system is proposed based on the hybrid power system component’s models. A rule-based strategy is then proposed based on the projection partition of composite power system efficiency, so it has strong adaptive adjustment ability. Additionally. the simulation results under the New European Driving Cycle (NEDC) condition show that the effic

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Zheng, Jianbin, and Yiping Wu. "Development of a Practical Method to Estimate the Eco-Level of Driver Performance." Journal of Advanced Transportation 2020 (October 26, 2020): 1–11. http://dx.doi.org/10.1155/2020/8151720.

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Motor vehicle’s fuel consumption is one of the main sources of energy consumption in road transportation and is highly influenced by driver performance in the process of driving. Eco-driving behavior has been proved to be an effective way to improve the fuel efficiency of vehicles. Essential to the efforts towards saving vehicle fuel is the need to estimate the eco-level of driver performance accurately and practically. Depending on on-board diagnostics and Global Position devices, individual vehicle’s instantaneous fuel consumption, engine revolution and torque, speed, acceleration, and dynam

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Chen, Zhen, Zhenqqi Gu, and Tao Jiang. "Research on transient aerodynamic characteristics of windshield wipers of vehicles." International Journal of Numerical Methods for Heat & Fluid Flow 29, no. 8 (2019): 2870–84. http://dx.doi.org/10.1108/hff-09-2018-0531.

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Purpose The main purpose of this paper is to gain a better understanding of the transient aerodynamic characteristics of moving windshield wipers. In addition, this paper also strives to illustrate and clarify how the wiper motion impacts the airflow structure; the aerodynamic interaction of two wipers is also discussed. Design/methodology/approach A standard vehicle model proposed by the Motor Industry Research Association and a pair of simplified bone wipers are introduced, and a dynamic mesh technique and user-defined functions are used to achieve the wiper motion. Finite volume methods and

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Gidlewski, Mirosław, Leon Prochowski, and Wojciech Wach. "DETERMINING THE POSITION AND STATE OF POST-IMPACT MOTION OF A MOTOR VEHICLE STRUCK ON ITS SIDE AT A ROAD INTERSECTION, BASED ON EXPERIMENTAL TESTS." Transport 34, no. 3 (2019): 330–38. http://dx.doi.org/10.3846/transport.2019.9684.

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The modelling, simulation, and reconstruction of road accidents are difficult processes, where experimental test results must be used at different stages of the work. Such data are needed e.g. to create or improve models of vehicle collision dynamics and to validate the results of computer simulations of vehicle motion during and after the collision. Within the work, experimental tests were carried out and the test results were utilized for determining specific values of the parameters that characterize the state of motion of the impacted vehicle during the collision and after the vehicle sepa

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Reid, John D., Ronald K. Faller, Jim C. Holloway, John R. Rohde, and Dean L. Sicking. "New Energy-Absorbing High-Speed Safety Barrier." Transportation Research Record: Journal of the Transportation Research Board 1851, no. 1 (2003): 53–64. http://dx.doi.org/10.3141/1851-06.

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For many years, containment for errant racing vehicles traveling on oval speedways has been provided through rigid, concrete containment walls placed around the exterior of the track. However, accident experience has shown that serious injuries and fatalities may occur through vehicular impacts into these nondeformable barriers. Because of these injuries, the Indy Racing League and the Indianapolis Motor Speedway, later joined by the National Association for Stock Car Auto Racing (NASCAR), sponsored the development of a new barrier system by the Midwest Roadside Safety Facility at the Universi

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Gabibulayev, Magomed, and Bahram Ravani. "A Stochastic Form of a Human Driver Steering Dynamics Model." Journal of Dynamic Systems, Measurement, and Control 129, no. 3 (2005): 322–36. http://dx.doi.org/10.1115/1.2098927.

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This work develops a stochastic form of a human driver model which can be used for simulating vehicle guidance and control. The human motor-control function is complex and can be affected by factors such as driver’s training and experience, fatigue, road conditions, and attention. The variations in these effects become more pronounced in hazardous driving conditions such as in snow and ice. One example of such driving conditions is snow removal operation in highway maintenance, where the use of a stochastic driver model seems to be more desirable. This work evaluates and extends existing model

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Wang, Junnian, Xiandong Wang, Zheng Luo, and Francis Assadian. "Active Disturbance Rejection Control of Differential Drive Assist Steering for Electric Vehicles." Energies 13, no. 10 (2020): 2647. http://dx.doi.org/10.3390/en13102647.

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The differential drive assist steering (DDAS) system makes full use of the advantages of independent control of wheel torque of electric vehicle driven by front in-wheel motors to achieve steering assistance and reduce the steering effort of the driver, as the electric power steering (EPS) system does. However, as an indirect steering assist technology that applies steering system assistance via differential drive, its linear control algorithm, like existing proportion integration differentiation (PID) controllers, cannot take the nonlinear characteristics of the tires’ dynamics into account w

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Sharma, Vikas, and Shubhi Purwar. "Nonlinear Controllers for a Light-Weighted All-Electric Vehicle Using Chebyshev Neural Network." International Journal of Vehicular Technology 2014 (April 22, 2014): 1–14. http://dx.doi.org/10.1155/2014/867209.

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Two nonlinear controllers are proposed for a light-weighted all-electric vehicle: Chebyshev neural network based backstepping controller and Chebyshev neural network based optimal adaptive controller. The electric vehicle (EV) is driven by DC motor. Both the controllers use Chebyshev neural network (CNN) to estimate the unknown nonlinearities. The unknown nonlinearities arise as it is not possible to precisely model the dynamics of an EV. Mass of passengers, resistance in the armature winding of the DC motor, aerodynamic drag coefficient and rolling resistance coefficient are assumed to be var

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Valero, Francisco, Francisco Rubio, Antonio José Besa, and Carlos Llopis-Albert. "Efficient trajectory of a car-like mobile robot." Industrial Robot: the international journal of robotics research and application 46, no. 2 (2019): 211–22. http://dx.doi.org/10.1108/ir-10-2018-0214.

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Purpose The purpose is to create an algorithm that optimizes the trajectories that an autonomous vehicle must follow to reduce its energy consumption and reduce the emission of greenhouse gases. Design/methodology/approach An algorithm is presented that respects the dynamic constraints of the robot, including the characteristics of power delivery by the motor, the behaviour of the tires and the basic inertial parameters. Using quadratic sequential programming with distributed and non-monotonous search direction (Quadratic Programming Algorithm with Distributed and Non-Monotone Line Search), an

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Gao, Hanying, Guoqiang Zhang, Wenxue Wang, and Xuechen Liu. "Research on an Improved Sliding Mode Sensorless Six-Phase PMSM Control Strategy Based on ESO." Electronics 10, no. 11 (2021): 1292. http://dx.doi.org/10.3390/electronics10111292.

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The six-phase motor control system has low torque ripple, low harmonic content, and high reliability; therefore, it is suitable for electric vehicles, aerospace, and other applications requiring high power output and reliability. This study presents a superior sensorless control system for a six-phase permanent magnet synchronous motor (PMSM). The mathematical model of a PMSM in a stationary coordinate system is presented. The information of motor speed and position is obtained by using a sliding mode observer (SMO). As torque ripple and harmonic components affect the back electromotive force

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Wang, Yan-yang, Yi-nong Li, Wei Sun, Chao Yang, and Guang-hui Xu. "FxLMS Method for Suppressing In-Wheel Switched Reluctance Motor Vertical Force Based on Vehicle Active Suspension System." Journal of Control Science and Engineering 2014 (2014): 1–16. http://dx.doi.org/10.1155/2014/486140.

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The vibration of SRM obtains less attention for in-wheel motor applications according to the present research works. In this paper, the vertical component of SRM unbalanced radial force, which is named as SRM vertical force, is taken into account in suspension performance for in-wheel motor driven electric vehicles (IWM-EV). The analysis results suggest that SRM vertical force has a great effect on suspension performance. The direct cause for this phenomenon is that SRM vertical force is directly exerted on the wheel, which will result in great variation in tyre dynamic load and the tyre will

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Tu, Kuo-Yang. "A linear optimal tracker designed for omnidirectional vehicle dynamics linearized based on kinematic equations." Robotica 28, no. 7 (2010): 1033–43. http://dx.doi.org/10.1017/s0263574709990890.

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SUMMARYIt is difficult to design controllers for the complicated dynamics of omnidirectional vehicles steered by multiple wheels with distributed traction force. In this paper, the dynamic model of a three-wheel omnidirectional vehicle, which is linearized to simplify controller design, is developed. The conditions of making its dynamics linear are derived first. Then, a strategy of planning wheel velocities to satisfy these conditions is proposed. Consequently, three-wheel omnidirectional vehicle can be easily treated by classical linear control theories. Finally, a linear optimal tracker is

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Sun, Xiaodong, Jiangling Wu, Shaohua Wang, Kaikai Diao, and Zebin Yang. "Analysis of torque ripple and fault-tolerant capability for a 16/10 segmented switched reluctance motor in HEV applications." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 38, no. 6 (2019): 1725–37. http://dx.doi.org/10.1108/compel-11-2018-0477.

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Purpose The torque ripple and fault-tolerant capability are the two main problems for the switched reluctance motors (SRMs) in applications. The purpose of this paper, therefore, is to propose a novel 16/10 segmented SRM (SSRM) to reduce the torque ripple and improve the fault-tolerant capability in this work. Design/methodology/approach The stator of the proposed SSRM is composed of exciting and auxiliary stator poles, while the rotor consists of a series of discrete segments. The fault-tolerant and torque ripple characteristics of the proposed SSRM are studied by the finite element analysis

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Shang, Wei, Shichao Hu, Xiao Li, and Xikai Tu. "Robust fixed time controller with motor dynamics and composite disturbances for a quadrotor unmanned aerial vehicle." International Journal of Advanced Robotic Systems 17, no. 5 (2020): 172988142094047. http://dx.doi.org/10.1177/1729881420940473.

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A fixed time robust control method is presented for trajectory tracking control of quadrotor systems with motor dynamics in the presence of unmodeled disturbances and external disturbances. The recommended control method avoids the negative effect to the quadrotor system caused by motor dynamic which is considered as first-order dynamic with dynamic disturbance. And fixed time extended state observer is adopted to estimate the composite disturbances and obtain the first and second derivative of desired trajectory and virtual control. Together with fixed time convergence control method, the sta

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Yang, Jian, Tiezhu Zhang, Hongxin Zhang, Jichao Hong, and Zewen Meng. "Research on the Starting Acceleration Characteristics of a New Mechanical–Electric–Hydraulic Power Coupling Electric Vehicle." Energies 13, no. 23 (2020): 6279. http://dx.doi.org/10.3390/en13236279.

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To simplify the layout of a purely electric vehicle transmission system and improve the acceleration performance of the vehicle, this paper utilizes the characteristics of the large torque of a hydraulic transmission system and proposes a new mechanical–electric–hydraulic dynamic coupling drive system (MEH-DCDS). It integrates the traditional motor and the swashplate hydraulic pump/motor into one, which can realize the mutual conversion between the mechanical energy, electrical energy, and hydraulic energy. This article explains its working principle and structural characteristics. At the same

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Bai, Rui, and Shaocheng Tong. "Adaptive Backstepping Sliding-Mode Control of the Electronic Throttle System in Modern Automobiles." Mathematical Problems in Engineering 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/383064.

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In modern automobiles, electronic throttle is a DC-motor-driven valve that regulates air inflow into the vehicle’s combustion system. The electronic throttle is increasingly being used in order to improve the vehicle drivability, fuel economy, and emissions. Electronic throttle system has the nonlinear dynamical characteristics with the unknown disturbance and parameters. At first, the dynamical nonlinear model of the electronic throttle is built in this paper. Based on the model and using the backstepping design technique, a new adaptive backstepping sliding-mode controller of the electronic

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Jalalifar, Mehran, Farrokh Payam, Saghaeian Nezhad, and Hassan Moghbeli. "Dynamic modeling and simulation of an induction motor with adaptive backstepping design of an input-output feedback linearization controller in series hybrid electric vehicle." Serbian Journal of Electrical Engineering 4, no. 2 (2007): 119–32. http://dx.doi.org/10.2298/sjee0702119j.

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In this paper using adaptive backstepping approach an adaptive rotor flux observer which provides stator and rotor resistances estimation simultaneously for induction motor used in series hybrid electric vehicle is proposed. The controller of induction motor (IM) is designed based on input-output feedback linearization technique. Combining this controller with adaptive backstepping observer the system is robust against rotor and stator resistances uncertainties. In additional, mechanical components of a hybrid electric vehicle are called from the Advanced Vehicle Simulator Software Library and

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Jennings, Mark, and Ravi Rangan. "Managing Complex Vehicle System Simulation Models for Automotive System Development." Journal of Computing and Information Science in Engineering 4, no. 4 (2004): 372–78. http://dx.doi.org/10.1115/1.1814384.

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A Model Management System (MMS) for vehicle dynamic system modeling is described, including lessons learned from a pilot implementation at Ford Motor Company. For complex vehicle systems, early phases of product development (requirements analysis and high-level conceptual design) drive innovation, cost, quality, and timing. These phases have received little attention relative to product lifecycle management. Selected system model architectures are reviewed with elements of model configuration and application to hybrid electric vehicle development. The examples establish MMS requirements, leadi

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Yang, Funing, and Yanyang Wang. "Suppression of Switched Reluctance Motor Vibration of In-Wheel Motor Electric Vehicle." Journal of Control Science and Engineering 2018 (November 15, 2018): 1–13. http://dx.doi.org/10.1155/2018/1689690.

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Switched reluctance motor (SRM) has got great attention in in-wheel motor electric vehicle (IWM-EV), but SRM vertical force, the vertical component of SRM unbalanced radial force, yields SRM vertical vibration and does harm to dynamic performance of IWM-EV. In order to reduce the SRM vertical vibration, electromagnetic active suspension and a linear quadratic Gaussian (LQG) controller were used to suppress the unbalanced radial force in this paper. All the models and the controller were constructed in Matlab/Simulink R2015b. The controller considers five performance indexes: vehicle body accel

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Xie, Ming Xiang, Yan Ding Wei, Xiao Jun Zhou, Chun Yu Wei, Fang Tang, and Pei Xin Li. "A Steering Wheel System and Controller for the Driving Simulator." Advanced Materials Research 295-297 (July 2011): 1768–72. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.1768.

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In driving simulator, the driver manipulating the steering wheel can not only be feeling authentic as the real vehicle but also get additional information of the vehicle state and road conditions. For this purpose, a steeling wheel system was detailed designed. A bicycle model was used to analyze the dynamic behaviour of a simplified four-wheel vehicle model and applied to compute the reaction torque. After modeling the steering column and the feedback motor, the state equation of the steering wheel was deduced. The control without PID, with ordinary PID and RBF network PID were adopted to con

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Yang, Yang, Yundong He, Zhong Yang, Chunyun Fu, and Zhipeng Cong. "Torque Coordination Control of an Electro-Hydraulic Composite Brake System During Mode Switching Based on Braking Intention." Energies 13, no. 8 (2020): 2031. http://dx.doi.org/10.3390/en13082031.

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The electro-hydraulic composite braking system of a pure electric vehicle can select different braking modes according to braking conditions. However, the differences in dynamic response characteristics between the motor braking system (MBS) and hydraulic braking system (HBS) cause total braking torque to fluctuate significantly during mode switching, resulting in jerking of the vehicle and affecting ride comfort. In this paper, torque coordination control during mode switching is studied for a four-wheel-drive pure electric vehicle with a dual motor. After the dynamic analysis of braking, a b

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Makrygiorgou, Jemma J., and Antonio T. Alexandridis. "Power Electronic Control Design for Stable EV Motor and Battery Operation during a Route." Energies 12, no. 10 (2019): 1990. http://dx.doi.org/10.3390/en12101990.

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Electric vehicles (EVs), during a route, should normally operate at the desired speed by effectively controlling the power that flows between their batteries and the electric motor/generator. To implement this task, in this paper, the voltage source AC/DC converter is considered as a controlled power interface between the electric machine and the output of the DC storage device; the DC/DC converter is used to automatically regulate the battery operating condition in accordance to the profile of the acting on the vehicle wheels, unknown external torque. Particularly, the speed is continuously r

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Jin, Xianjian, Jiadong Wang, Shaoze Sun, Shaohua Li, Junpeng Yang, and Zeyuan Yan. "Design of Constrained Robust Controller for Active Suspension of In-Wheel-Drive Electric Vehicles." Mathematics 9, no. 3 (2021): 249. http://dx.doi.org/10.3390/math9030249.

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This paper presents a constrained robust H∞ controller design of active suspension system for in-wheel-independent-drive electric vehicles considering control constraint and parameter variation. In the active suspension system model, parameter uncertainties of sprung mass are analyzed via linear fraction transformation, and the perturbation bounds can be also limited, then the uncertain quarter-vehicle active suspension model where the in-wheel motor is suspended as a dynamic vibration absorber is built. The constrained robust H∞ feedback controller of the closed-loop active suspension system

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Wang, Chun Jie, Le Ge, and Yong Xin Tian. "Analysis and Simulation of Control System for PMSM in Electric Vehicles." Applied Mechanics and Materials 687-691 (November 2014): 500–503. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.500.

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This paper introduces the vector control of permanent magnet synchronous motor (PMSM), and proposes the control strategy according to the characteristics of the electric vehicles. The dynamics equation is obtained based on the analysis of the power system of electric vehicles, and the control scheme for PMSM is proposed. In the environment of MATLAB/SIMULINK software, the model of PMSM vector control and the electric vehicles drive system are established and analyzed.

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