Journal articles: 'Braking System'

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Sharma, Mr Shivam, Ashish Narayan Singh, and Rahul Yadav Abhinav Jha Kumar Vanshaj Md Fahim. "Regenerative Braking System." International Journal of Trend in Scientific Research and Development Volume-3, Issue-4 (June 30, 2019): 298–300. http://dx.doi.org/10.31142/ijtsrd23546.

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Raut, Ashutosh. "Intelligent Braking System." International Journal for Research in Applied Science and Engineering Technology 9, no. 5 (May 31, 2021): 891–95. http://dx.doi.org/10.22214/ijraset.2021.34347.

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Singh, Krishna Pratap, Santosh Kumar Gupta, Subham Kumar, Subodh Kumar Singh, Vivek Kumar Yadav, and Nagendra Yadav. "Intelligent Braking System." Invertis Journal of Renewable Energy 9, no. 1 (2019): 10. http://dx.doi.org/10.5958/2454-7611.2019.00003.1.

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N, Nagendran, Rani K S, Punitha P, Vaishnav V P, Balaji V, and Na nagendran@gmail com S. "Reactive Braking System." International Journal of Engineering & Technology 7, no. 3.34 (September 1, 2018): 372. http://dx.doi.org/10.14419/ijet.v7i3.34.19229.

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This paper is based on the simplifying technique of the existing technology called Autonomous Emergency Braking (AEB) by using a simple electronic setup which can be easily installed in all the existing four-wheelers without changing its existing working system. By using this technology, the number of accidents due to human errors can be avoided in large scale for both the drivers and the pedestrians. This project aims to reduce the errors caused by the improper braking of the driver.

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Sinicyn, Vladimir, and Vladimir Kobishchanov. "BRAKING SYSTEM FOR BOGIE SUCCESSIVE BRAKING OF FREIGHT CARS." Bulletin of Bryansk state technical university 2020, no. 3 (March 5, 2020): 21–28. http://dx.doi.org/10.30987/1999-8775-2020-3-21-28.

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Brake leverages with the location of brake cylinders on bogies have a number of advantages as compared with common circuits. Domestic braking systems are presented mainly by design improvements and inventions. In this connection the development of the prototype of such a system for domestic standard bogies corresponding to the requirements and conditions of Russian railways is urgent. At that the application of domestic brake devices in such systems is preferable. The aim of this work is a choice of the optimum design for a unified leverage for two-axial bogies of type 2 and 3 (RSS 9246-2013) with the location of cylinders 670V on a bogie, and also a development of the circuit for its adjustment while operation. On the basis of the regulations for a standard computation of a brake there is chosen an optimum circuit of the brake leverage. With the aid of 3D thoroughly developed model of a brake system located directly on a bogie taking into account a design outline of bogie elements, the analysis of bogie units geometry is carried out and all intermediate leverage, separators and brake beams positions are defined which allowed obtaining the sufficiently accurate values of assembly dimensions at different wear stages of a wheel tread and a brake shoe. There is chosen an optimum brake system for two-axial bogies of type 2 and type 3 (RSS 9246-2013) with the location of cylinders 670V on a bogie. The regulating circuits and a table of assembly dimensions of the brake system during operation for a brake shoe 60±4mm thick are developed. An aggregate stock and screw travel of a brake cylinder regulator during operation without taking into account elastic deformation of a system is chosen. The considered leverage system design is offered as a prototype for the brake system design for freight cars.

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Chu, Liang, Xiang Wang, Lei Zhang, Liang Yao, and Yong Sheng Zhang. "Integrative Control of Regenerative Braking System and Anti-Lock Braking System." Advanced Materials Research 706-708 (June 2013): 830–35. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.830.

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For Electric Vehicle (EV), energy saving and endurance mileage prolonging are very important. Regenerative Braking System (RBS) is a key point in this respect. At the same time, braking safety is a rigid demand of EV. In this respect, the Anti-lock Braking System (ABS) has an excellent performance. As a result, the integration of RBS and ABS plays an important role in the development of the EV control. In this paper, a dynamic adaptive threshold theory decides when RBS should exist will be studied, and when the states of vehicle reach the adaptive threshold, a sliding mode control method will be used to meet the total braking force and the system will reduce the motor braking force. Before slip rate of vehicle reaches the ABS threshold, the regenerative braking force will be reduced to 0. The braking safety will be improved in this way.

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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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Varecha, Daniel, Robert Kohar, and Frantisek Brumercik. "AGV Brake System Simulation." LOGI – Scientific Journal on Transport and Logistics 10, no. 1 (May 1, 2019): 1–9. http://dx.doi.org/10.2478/logi-2019-0001.

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Abstract The article is focused on braking simulation of automated guided vehicle (AGV). The brake system is used with a disc brake and with hydraulic control. In the first step, the formula necessary for braking force at the start of braking is derived. The stopping distance is 1.5 meters. Subsequently, a mathematical model of braking is created into which the formula of the necessary braking force is applied. The mathematical model represents a motion equation that is solved in the software Matlab by an approximation method. Next a simulation is created using Matlab software and the data of simulation are displayed in the graph. The transport speed of the vehicle is 1 〖m.s〗^(-1) and the weight of the vehicle is 6000 kg including load. The aim of this article is to determine the braking time of the device depending from the input data entered, which represent the initial conditions of the braking process.

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Pei, Yu Chun. "The Research of Magnetic Track Brake System." Applied Mechanics and Materials 427-429 (September 2013): 1342–45. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.1342.

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This paper introduces the braking system scheme of low floor light rail vehicle, applying the regenerative braking and magnetic track brake, realizes service braking, emergency braking, parking brake and holding brake, also adjusts the braking force according to the load change.

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Srihari, M. "Evolution of Braking System." International Journal for Research in Applied Science and Engineering Technology 7, no. 11 (November 30, 2019): 801–4. http://dx.doi.org/10.22214/ijraset.2019.11134.

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S P, Hitesh Kumar. "Intelligent Reverse Braking System." International Journal for Research in Applied Science and Engineering Technology 7, no. 7 (July 31, 2019): 193–96. http://dx.doi.org/10.22214/ijraset.2019.7029.

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12

Wang, Guo Ye, Juan Li Zhang, and Hang Xiao. "Energy Regenerative Braking Feedback Lockup Electromechanical Integrated Brake System for Vehicles." Applied Mechanics and Materials 130-134 (October 2011): 332–38. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.332.

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Project the energy regenerative braking feedback lockup electromechanical integrated brake system for vehicles. Integrate EMB and friction brake system, and design the regenerative brake system, further choose the generator types respectively for the common gas engine car and electric car. Set up the system dynamic model. Based on the Matlab/Simulink, establish the simulation test system of the vehicles regenerative braking system. Using the simulation model for the Chery A3 car, we respectively simulate and analyse the braking and energy reusing performances of the low-brake strength and the high-brake strength regenerative braking models to the two brake systems. The study results indicate that the energy regenerative braking feedback lockup electromechanical integrated brake system for vehicles can satisfy the regenerative braking performance requirements of different vehicles according to the braking energy feedback quantity and the regenerative braking efficiency needed by the different vehicles, so the application is wider. The brake system does not only have higher regenerative braking efficiency, but also can guarantee the vehicles braking safety.

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13

Yang, Yang, Guangzheng Li, and Quanrang Zhang. "A Pressure-Coordinated Control for Vehicle Electro-Hydraulic Braking Systems." Energies 11, no. 9 (September 4, 2018): 2336. http://dx.doi.org/10.3390/en11092336.

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The characteristics of electro-hydraulic braking systems have a direct influence on the fuel consumption, emissions, brake safety, and ride comfort of hybrid electric vehicles. In order to realize efficient energy recovery for ensuring braking safety and considering that the existing electro-hydraulic braking pressure control systems have control complexity disadvantages and functional limitations, this study considers the front and rear dual-motor-driven hybrid electric vehicle as the prototype and based on antilock brake system (ABS) hardware, proposes a new braking pressure coordinated control system with electro-hydraulic braking function and developed a corresponding control strategy in order to realize efficient energy recovery and ensure braking safety, while considering the disadvantages of control complexity and functional limitations of existing electro-hydraulic system. The system satisfies the pressure coordinated control requirements of conventional braking, regenerative braking, and ABS braking. The vehicle dynamics model based on braking control strategy and pressure coordinated control system is established, and thereafter, the performance simulation of the vehicle-based pressure coordinated control system under typical braking conditions is carried out to validate the performance of the proposed system and control strategy. The simulation results show that the braking energy recovery rates under three different conditions—variable braking intensity, constant braking intensity and integrated braking model—are 66%, 55% and 47%. The battery state of charge (SOC) recovery rates are 0.37%, 0.31% and 0.36%. This proves that the motor can recover the reduced energy of the vehicle during braking and provide an appropriate braking force. It realizes the ABS control function and has good dynamic response and braking pressure control accuracy. The simulation results illustrate the effectiveness and feasibility of the program which lays the foundation for further design and optimization of the new regenerative braking system.

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14

Wei, Wei, Yong Jiang, Yuan Zhang, Xubao Zhao, and Jun Zhang. "Study on a segmented electro-pneumatic braking system for heavy-haul trains." Transportation Safety and Environment 2, no. 3 (July 3, 2020): 216–25. http://dx.doi.org/10.1093/tse/tdaa015.

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Abstract The large longitudinal impact of heavy-haul trains is the main factor limiting their development, and the asynchronous nature of train-braking systems is the main cause of this longitudinal impact. In this paper, a segmented electro-pneumatic braking solution fully compatible with the existing freight-train braking system in China is proposed to improve the synchrony of train-braking systems. A simulation model for this braking system is developed based on air-flow theory, the 120 distribution valve and electronic control devices. The braking characteristics obtained from simulations are compared to those from the train-brake testing platform, and show high fidelity. On this basis, the effects of the new braking system on the braking capacity and longitudinal impact of a 20 000 t heavy-haul train are analysed by further simulation. The results show that during service brakes, the segmented electro-pneumatic braking system can increase the braking capacity by 4.2–24.7% and reduce the coupler force by 21.6–68.0%. Therefore, it can be seen that the segmented electro-pneumatic braking system is a new type of electro-pneumatic brake that meets the needs of the Chinese railway network. It solves the problem of the longitudinal impact of heavy-haul trains satisfactorily, and its compatibility with the existing braking system (resulting in a reduced modification workload) makes it possible to maintain normal operations on heavy-haul lines while trains undergo modification.

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15

Inozemtsev, Vitaliy, Dmitriy Evseev, Mikhail Kulikov, and Alexander Baryshnikov. "THE CONCEPT OF AN ALTERNATIVE ROLLING STOCK BRAKING SYSTEM." Transport engineering 2022, no. 10 (October 9, 2022): 42–48. http://dx.doi.org/10.30987/2782-5957-2022-10-42-48.

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The study objective: to determine the main factors affecting the capacity of railway rolling stock braking systems. The task to which the paper is devoted is to find the algorithm for controlling the rolling stock braking process and choosing the most effective principle of the braking system. Research methods: computational and analytical method of mathematical modeling and practical research. Novelty of the work: a promising concept of the rolling stock braking system is proposed. Study results: it is proved that eddy current braking is a sufficiently effective way of controlling the speed of movement, which is especially important in extreme conditions to ensure safety. Conclusions: the use of hybrid designs of braking systems can significantly increase the braking efficiency and thereby increase the maximum safe speed of high-speed trains.

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16

Zhao, Lingying, Min Ye, and Xinxin Xu. "Intelligent optimization of EV comfort based on a cooperative braking system." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 235, no. 10-11 (March 19, 2021): 2904–16. http://dx.doi.org/10.1177/09544070211004461.

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To address the comfort of an electric vehicle, a coupling mechanism between mechanical friction braking and electric regenerative braking was studied. A cooperative braking system model was established, and comprehensive simulations and system optimizations were carried out. The performance of the cooperative braking system was analyzed. The distribution of the braking force was optimized by an intelligent method, and the distribution of a braking force logic diagram based on comfort was proposed. Using an intelligent algorithm, the braking force was distributed between the two braking systems and between the driving and driven axles. The experiment based on comfort was carried out. The results show that comfort after optimization is improved by 76.29% compared with that before optimization by comparing RMS value in the time domain. The reason is that the braking force distribution strategy based on the optimization takes into account the driver’s braking demand, the maximum braking torque of the motor, and the requirements of vehicle comfort, and makes full use of the braking torque of the motor. The error between simulation results and experimental results is 5.13%, which indicates that the braking force’s distribution strategy is feasible.

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Wang, Jun, Jian Huang, and Zhi Quan Qi. "Research on Simulation of Electronic-Controlled Pneumatic Regenerative Braking System." Applied Mechanics and Materials 278-280 (January 2013): 360–64. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.360.

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In order to improve braking stability and energy recovery ability of electric buses, a new-type electronic-controlled pneumatic regenerative braking system for electric buses was designed. The regenerative braking system controls pneumatic braking force of front and rear wheels by high-speed solenoid valves, which could coordinate mechanical and regenerative braking force effectively. A simulation model of electric bus braking process was established, as well as regenerative braking control strategy. Simulink and AMESim joint simulation analysis of braking process of electric bus was run. The results show that energy recovery of the new-type regenerative braking system is effective and braking control strategy is reasonable.

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Li, Wenfei, Huiyun Li, Chao Huang, Kun Xu, Tianfu Sun, and Haiping Du. "Observer-Based Coordinated Control for Blended Braking System with Actuator Delay." Actuators 10, no. 8 (August 11, 2021): 193. http://dx.doi.org/10.3390/act10080193.

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The coordinated control of a blended braking system is always a difficult task. In particular, blended braking control becomes more challenging when the braking actuator has an input time-delay and some states of the braking system cannot be measured. In order to improve the tracking performance, a coordinated control system was designed based on the input time-delay and state observation for a blended braking system comprising a motor braking system and friction braking system. The coordinated control consists of three parts: Sliding mode control, a multi-input single-output observer, and time-delay estimation-based Smith Predictor control. The sliding mode control is used to calculate the total command braking torque according to the desired braking performance and vehicle states. The multi-input single-output observer is used to simultaneously estimate the input time-delay and output braking torque of the friction braking system. With time-delay estimation-based Smith Predictor control, the friction braking system is able to effectively track the command braking torque of the friction braking system. The tracking of command braking torque is realized through the coordinated control of the motor braking system and friction braking system. In order to validate the effectiveness of the proposed approach, numerical simulations on a quarter-vehicle braking model were performed.

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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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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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21

Hong, Jiang, De Wang Zhang, Guang Pin Wang, and Ni Sui. "Simulation of a Regenerative Braking System Producing Controlled Braking Force." Advanced Materials Research 383-390 (November 2011): 5729–37. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.5729.

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The pure electric vehicles (PEV) research is mainly focus on regenerative braking. How to improve the efficiency of battery power utilization and increase vehicles’ driving range is a crucial problem. Based on the analysis of braking feeling, super capacitor characteristics and the efficiency of regenerative braking energy recovery, the control strategy of regenerative braking system is firstly established, which has two objective functions. One is to control the regenerative braking force. The other is to improve the recovery efficiency of regenerative braking energy. Then, the main operating mode of regenerative braking system is presented. On this basis, regenerative braking controller that is based on DC-DC controller is designed and implemented in simulink software. The results show that the regenerative braking control strategy can effectively control the regenerative braking force during braking and increase driving range of electric vehicles

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Luo, Yu Tao, Qing Yong Sun, and Di Tan. "Dual Mode Braking System Design of a HEV." Applied Mechanics and Materials 128-129 (October 2011): 834–41. http://dx.doi.org/10.4028/www.scientific.net/amm.128-129.834.

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Hybrid electric vehicle (HEV) is a good approach to solve the energy shortage and emission pollution issues and regenerative energy braking (REB) is one of its prime approaches for fuel saving. In this paper, a regenerative-electro-hydraulic braking system called dual mode braking system (DMBS), is proposed. The braking-by-wire technology is adopted for automatic electric control and cooperating with regenerative braking. This system can be easily converted to traditional hydraulic braking in case of fault occurs in the electro-hydraulic subsystem or some other reasons. The architecture is achieved with as less modification as possible of the original electro-hydraulic braking system. And the control strategy based on automobile braking regulations of the Economic Committee for Europe (ECE) is brought forward. Some simulations under given initial speeds and driving cycles are carried out to evaluate the effectiveness and REB efficiency. The simulating results indicate that the DMBS can work properly and can achieve a relative good performance on braking distance and regenerative energy.

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Wang, Yong. "The Car Brake System Design and Calculation." Applied Mechanics and Materials 457-458 (October 2013): 340–43. http://dx.doi.org/10.4028/www.scientific.net/amm.457-458.340.

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Calculation of car brake system design, also according to the known automotive related parameters is obtained by calculating the main parameters. The brake and braking torque, braking moment and braking force distribution coefficient and hydraulic brake drive mechanism related parameters. Finally, the braking performances are analyzed in detail.

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Zhang, Lu, Guo Ye Wang, Feng Zhu Yu, and Zhong Fu Zhang. "The Vehicles ESP Safe Test System Based on Aid Wheels Breaking Control Vehicle System." Advanced Materials Research 605-607 (December 2012): 1710–16. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.1710.

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The structure of the aid wheels braking control vehicle system is projected, and the system dynamic model is set up. Based on the Matlab/Simulink, establish the dynamic simulation system of the aid wheels braking control vehicle system for the Chery A3 car. Using the brake / drive integrated ESP control principle, based on the simulation model, respectively simulate and analyze the ESP control performances of the vehicle system and the aid wheels braking control vehicle system in different simulation conditions, under steer and over steer. The study results indicate that, based on the aid wheels braking control vehicle system, when there is no ESP control or ESP control system failure, the system can ensure the safety of vehicle effectively; and when with ESP control system, the ESP control performances of the aid wheels braking control vehicle system and the vehicle system have remarkable consistency. The aid wheels braking control vehicle system provides a basis for the vehicle stability control performance research.

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Liu, Ji Shun, Jun Li, Yong Sheng Zhang, Liang Chu, and Liang Yao. "Research on the Braking System Control Strategy of Hybrid Electronic Bus." Applied Mechanics and Materials 148-149 (December 2011): 1231–35. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.1231.

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As one of the key technologies of Hybrid Electronic Bus, regenerative braking technology can recover energy without changing the traditional bus braking habit. This is of vital importance in the research of regenerative braking system. Because the braking force distribution relationship between the front and rear axle of the vehicle has a remarkable influence in the braking stability,especially adding the regenerative braking force, the influence is even larger. So the anti-lock braking control strategy for the hybrid electronic vehicle is updated in this paper according to the condition of regenerative braking. The anti-lock braking control and regenerative braking control were integrated in one ECU (Electronic Control Unit) of braking control system, collecting signals of wheel rotate speed, vehicle speed, SOC and brake pedal position by CAN bus. And the output control commands are sent to the execution unit of anti-lock braking system and regenerative braking system. The effectiveness of energy regeneration and the braking stability of this strategy are tested on the off-line simulation platform.

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Mai, Li, Li Ya Wang, Pei Wen Mi, and Sheng Nan Yang. "A Novel Control Algorithm of Electronic Braking System for Trucks." Advanced Materials Research 694-697 (May 2013): 2106–9. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.2106.

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Electronic Braking System (EBS) can improve the braking performance of trucks significantly. A novel control algorithm for EBS has been proposed in this paper, which consists of Driving Identification Module and Braking Force Distribution Module. Driving Identification Module can recognize the non-emergency braking situation according to the signal of the electronic braking pedal. Braking Force Distribution Module regulates the braking force on front and rear axle by comparing the slip-ratios on every axle. As a result, the optimum braking pressure on different axles can enhance the safety and balance the brake wear. The performance of the control algorithm has been simulated utilizing 15-DOF vehicle dynamic model. The results show that the control algorithm can provide a good braking feeling and the braking performance of the vehicle is perfect.

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Zhao, Ke Gang, and Yong Liang Hu. "Light Truck Braking System Match and Optimization." Advanced Materials Research 548 (July 2012): 662–66. http://dx.doi.org/10.4028/www.scientific.net/amr.548.662.

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In order to make the front and rear axle braking force close to the ideal braking force distribution curves, this paper presents a new idea about the design of automotive brake systems. Firstly, the paper has studied the mathematical conversion relationship from the coordinate of utilization adhesion coefficient and braking strength to the coordinate of the front and rear axle braking force. On this basis, the optimal parameters and constraints complying with ECE regulation are determined. And the optimization objective is the degree of deviation between the curve of actual braking force distribution and the curve of the ideal braking force distribution. Taking a light truck for example, genetic algorithm is used to optimize the vehicle front-rear braking force distribution in the platform of MATLAB. Finally, it is proved that the result of global optimization can meet the design goals.

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Volkov, Volodymyr, Igor Gritsuk, Tetiana Volkova, Volodymyr Kuzhel, and Nataliya Berezhna. "Assessment of vehicle brake control functional stability." Journal of Mechanical Engineering and Transport 13, no. 1 (2021): 33–44. http://dx.doi.org/10.31649/2413-4503-2021-13-1-33-44.

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As you know, a radical means to prevent skidding of the vehicle (TK) during braking is the use of such integrated automatic active safety systems as anti-lock braking system (ABS), emergency brake booster, traction control system (TRC), electronic brake force distribution system EBD), stability control system (VSC), tire pressure monitoring system (TPWS), electronic control brake system (ECB), electric power steering (EPS), integrated dynamic vehicle control system (VDIM). Also, the stable position of the vehicle when driving on the road is provided by a set of automatic devices (for example dynamic stabilization system, anti-lock and anti-slip systems, etc.). Most of the cases of violation of the stable position of the vehicle on the road are related to the process of its braking. The article considers an alternative approach to stabilizing the position of the vehicle on the road during braking due to another approach to the management of its braking system. The mathematical description and schemes of position of the vehicle in the course of braking are offered. The stability of the position of the vehicle is ensured by braking the rear wheels, or braking one of the rear wheels (internal in relation to the direction of skidding), due to the system of dynamic stabilization of the course angle. Braking of the rear wheels during the initial skidding during braking allows you to stabilize the course angle of the vehicle (with full braking of the rear wheels, the stabilization time is minimal). This significantly reduces the braking efficiency of the vehicle, as only the front wheels are brake. Braking of only one rear wheel allows to provide identical duration of transition process at the highest efficiency of braking of the vehicle. On the example of a conventional vehicle, a comparative analysis of the effectiveness of the methods of dynamic stabilization of the course angle by braking one and two rear wheels.

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Li, Xuebo, Jian Ma, Xuan Zhao, and Lu Wang. "Study on Braking Energy Recovery Control Strategy for Four-Axle Battery Electric Heavy-Duty Trucks." International Journal of Energy Research 2023 (February 6, 2023): 1–21. http://dx.doi.org/10.1155/2023/1868528.

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Regenerative braking can extend the driving range and reduce PM emissions from abrasion for battery electric heavy-duty trucks (BETs). The composite braking control strategy including torque distribution and dynamic coordinated control for the four-axle BET equipped with the electromechanical braking system is studied. A segmented torque distribution strategy is proposed to maximize energy recovery while ensuring braking stability. The simulation results reveal that the strategy shows better comprehensive braking performance than the two benchmark strategies, and the energy recovery rate in different load states under CHTC-D is above 40%. The proposed coordinated control strategy takes advantage of regenerative braking’s rapid response and precise control to compensate for torque deviations caused by the hysteresis of friction braking. For two common braking mode transition conditions, regenerative braking torque correction and advance of the mode switching timing are adopted to enable the motor to obtain the torque compensation ability. This method leads to a slight loss of braking energy, and the maximum torque deviation during the mode switching process is suppressed to less than 1.4 kN·m, and the jerk and braking distance is reduced accordingly, which is of great importance in improving driving comfort and braking safety.

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Gao, Guowei, Xiaopeng Li, and Zheng Xu. "Research on regenerative braking system for linear control chassis platform." Journal of Physics: Conference Series 2029, no. 1 (September 1, 2021): 012005. http://dx.doi.org/10.1088/1742-6596/2029/1/012005.

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Abstract The regenerative braking system of the electric vehicle with the linear control chassis plays an important role in improving the mileage of the vehicle, which mainly solves the problem of large electricity demand for the linear control chassis. After analyzing the structural characteristics of the linear control chassis, the constraints of regenerative braking and the existing regenerative braking control strategies, a new regenerative braking control strategy is proposed, and the control strategy is modified. The regenerative braking control strategy model is established by Simulink / Stateflow, and the braking effect and energy recovery efficiency are verified by changing the initial braking speed. The simulation results show that the strategy can well complete the braking task of the vehicle, and the braking energy recovery rate increases with the increase of the initial braking speed. Reasonable control strategy can effectively improve vehicle energy recovery efficiency.

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Liu, Tianyang, Zhuoping Yu, Lu Xiong, and Wei HAN. "Anti-Lock Braking System Control Design on An Integrated-Electro-Hydraulic Braking System." SAE International Journal of Vehicle Dynamics, Stability, and NVH 1, no. 2 (March 28, 2017): 298–306. http://dx.doi.org/10.4271/2017-01-1578.

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Peng, Jiankun, Hongwen He, Wei Liu, and Hongqiang Guo. "Hierarchical Control Strategy for the Cooperative Braking System of Electric Vehicle." Scientific World Journal 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/584075.

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This paper provides a hierarchical control strategy for cooperative braking system of an electric vehicle with separated driven axles. Two layers are defined: the top layer is used to optimize the braking stability based on two sliding mode control strategies, namely, the interaxle control mode and signal-axle control strategies; the interaxle control strategy generates the ideal braking force distribution in general braking condition, and the single-axle control strategy can ensure braking safety in emergency braking condition; the bottom layer is used to maximize the regenerative braking energy recovery efficiency with a reallocated braking torque strategy; the reallocated braking torque strategy can recovery braking energy as much as possible in the premise of meeting battery charging power. The simulation results show that the proposed hierarchical control strategy is reasonable and can adapt to different typical road surfaces and load cases; the vehicle braking stability and safety can be guaranteed; furthermore, the regenerative braking energy recovery efficiency can be improved.

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Zheng, Hongpeng, Yulong Lei, and Pengxiang Song. "Designing the main controller of auxiliary braking systems for heavy-duty vehicles in nonemergency braking conditions." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 232, no. 9 (May 7, 2017): 1605–15. http://dx.doi.org/10.1177/0954406217706386.

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With the development of the road industry, heavy-duty vehicles now require additional braking power to fulfill their braking requirements. Auxiliary braking systems, which include a hydraulic retarder and an engine brake, can provide additional braking force in nonemergency braking conditions. A water medium retarder is a new type of hydraulic retarder that can convert the kinetic energy of a vehicle into the thermal energy of coolant. This study introduces a novel auxiliary braking system involving a water medium retarder and an engine brake for heavy-duty vehicles. The specific forces of heavy-duty vehicles and the auxiliary braking system are established. The control logic of the novel auxiliary braking system is assigned, and a main controller is designed to dynamically manage the entire braking process. The main controller includes controllers A and B, which handles the engine brake and water medium retarder, respectively. The heavy-duty vehicles dynamic system model is created using MATLAB/Simulink. Upon performance testing, simulation results show that the designed main controller can effectively and rapidly manage the auxiliary braking system, thus satisfying the braking requirements in any nonemergency braking condition. Even when the slope of a road changes, the main controller can extract dynamical forces as well as acceleration parameters and fulfill the braking requirements of vehicles.

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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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Aleksandrowicz, Piotr. "The impact of a vehicle braking system state on safe driving – part one." MATEC Web of Conferences 182 (2018): 01025. http://dx.doi.org/10.1051/matecconf/201818201025.

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The state of a vehicle braking system is one of the key factors determining the safety of the driver, passengers and other road users. During operation of a vehicle, the elements of its braking system undergo the process of wear and they are exposed to damage. Deterioration of the braking system efficiency has a direct impact on the collision speed. Thus, diagnosing a braking system during a vehicle operation is of key importance. Therefore, the authors of this article have undertaken the task to identify the influence of the state of a braking system particular element on the collision speed and kinetic energy of the impact. The obtained results of simulation calculations have proven a significant role of a braking system diagnosing in elimination of vehicles whose braking systems do not function properly as using inefficient brakes poses a significant threat to road traffic users and vehicles.

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Xiong, Lu, Wei Han, Zhuoping Yu, Jian Lin, and Songyun Xu. "Master cylinder pressure reduction logic for cooperative work between electro-hydraulic brake system and anti-lock braking system based on speed servo system." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 13 (June 10, 2020): 3042–55. http://dx.doi.org/10.1177/0954407020927639.

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As one feasible solution of brake-by-wire systems, electro-hydraulic brake system has been made available into production recently. Electro-hydraulic brake system must work cooperatively with the hydraulic control unit of anti-lock braking system. Due to the mechanical configuration involving electric motor + reduction gear, the electro-hydraulic brake system could be stiffer in contrast to a conventional vacuum booster. That is to say, higher pressure peaks and pressure oscillation could occur during an active anti-lock braking system control. Actually, however, electro-hydraulic brake system and anti-lock braking system are produced by different suppliers considering brake systems already in production. Limited signals and operations of anti-lock braking system could be provided to the supplier of electro-hydraulic brake system. In this work, a master cylinder pressure reduction logic is designed based on speed servo system for active pressure modulation of electro-hydraulic brake system under the anti-lock braking system–triggered situation. The pressure reduction logic comprises of model-based friction compensation, feedforward and double closed-loop feedback control. The pressure closed-loop is designed as the outer loop, and the motor rotation speed closed-loop is drawn into the inner loop of feedback control. The effectiveness of the proposed controller is validated by vehicle experiment in typical braking situations. The results show that the controller remains stable against parameter uncertainties in extreme condition such as low temperature and mismatch of friction model. In contrast to the previous methods, the comparison results display the improved dynamic cooperative performance of electro-hydraulic brake system and anti-lock braking system and robustness.

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Wang, Neng Jian, Li Jie Zhou, Qiang Song, and De Fu Zhang. "Simulation Research on Braking Safety Properties of Aircraft Traction System." Key Engineering Materials 419-420 (October 2009): 705–8. http://dx.doi.org/10.4028/www.scientific.net/kem.419-420.705.

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The jack-knifing tendency of aircraft traction system during braking was discussed and analyzed using multi-body dynamics models that consist of aircraft-towing tractor, aircraft draw link and aircraft. The braking critical conditions of the aircraft traction system for straight-line braking and turning braking were discussed and analyzed respectively. In the case of straight-line braking, the effect of friction coefficient on the maximum braking torque is described. In the case of turning braking, the relationship between the maximum baking torque and relative angle is obtained.

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Zhang, Shixi, Yanfei Lin, Li Zhao, Guorui Zhao, Ruikun Chen, and Qingxuan Li. "Research on Electric Control Brake System Based on Railway Vehicle." Journal of Physics: Conference Series 2417, no. 1 (December 1, 2022): 012035. http://dx.doi.org/10.1088/1742-6596/2417/1/012035.

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The trackless train may be mixed with other vehicles in the city. Therefore, developing a vehicle braking system with high reliability, fast response, and powerful braking force is necessary. In this research, the chip module control is added to each control part to realize rapid electric signal collection and response, and then the pneumatic control of each actuator is used to realize rapid and flexible electric braking control of the vehicle. The braking system has been tested on the test bench in the factory, and its response speed and braking effect have increased by 10% compared with the traditional bus braking system. When the performance test is carried out on the real vehicle, the braking effect is also improved by nearly 10%. Through the design of the braking system, the braking system of domestic trackless trains can be perfectly solved.

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Chu, Liang, Yanwu Xu, Di Zhao, and Cheng Chang. "Research on Pressure Control Algorithm of Regenerative Braking System for Highly Automated Driving Vehicles." World Electric Vehicle Journal 12, no. 3 (August 10, 2021): 112. http://dx.doi.org/10.3390/wevj12030112.

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Conclusive evidence has demonstrated the critical importance of highly automated driving systems and regenerative braking systems in improving driving safety and economy. However, the traditional regenerative braking system cannot be applied to highly automated driving vehicles. Therefore, this paper proposes a fully decoupled regenerative braking system for highly automated driving vehicles, which has two working modes: conventional braking and redundant braking. Aimed at the above two working modes, this paper respectively proposes the pressure control algorithm, based on P-V characteristics, and the pressure control algorithm, based on the overflow characteristics of the solenoid valve. AMESim is utilized as the simulation platform, and then is co-simulated with MATLAB/Simulink, which is embedded with the control algorithm. The simulation results show the feasibility and effectiveness of the regenerative braking system and the pressure control algorithm.

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Wang, Chunyan, Wanzhong Zhao, and Wenkui Li. "Braking sense consistency strategy of electro-hydraulic composite braking system." Mechanical Systems and Signal Processing 109 (September 2018): 196–219. http://dx.doi.org/10.1016/j.ymssp.2018.02.047.

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Yang, Yang, Qingsong Tang, Li Bolin, and Chunyun Fu. "Dynamic Coordinated Control for Regenerative Braking System and Anti-Lock Braking System for Electrified Vehicles Under Emergency Braking Conditions." IEEE Access 8 (2020): 172664–77. http://dx.doi.org/10.1109/access.2020.3024918.

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Singh, Gaurav, and Pravin Kumar Singh. "Automatic Braking System with Bumper Actuation." Journal of Mechanical and Construction Engineering (JMCE) 2, no. 1 (April 11, 2022): 1–15. http://dx.doi.org/10.54060/jmce/002.01.002.

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For most people nowadays, driving is a common activity. Technology has undergone significant modifications, resulting in an increase in speed. However, high speed contributes to traffic accidents. When the driver is not attentive, ordinary braking is insufficient to prevent accidents. The braking system must be improved further in order to brake a vehicle when the driver is unable to do so, which may necessitate the use of an automatic braking system. The vehicle may brake without the driver's assistance using this autonomous braking technology. An automated braking system is an important aspect of car safety technology. It's a sophisticated system that's designed to avoid colliding with another vehicle or an obstacle of some sort. These systems use sensors like radar, video, infrared, and ultrasonic to scan for potential obstacles in front of the car and then use brake control to avoid a collision if the object is found.

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Cai, Jian Wei, Liang Chu, Zi Cheng Fu, and Li Peng Ren. "Regenerative Braking System for a Pure Electric Bus." Applied Mechanics and Materials 543-547 (March 2014): 1405–8. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.1405.

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A design of regenerative braking system (RBS) for a pure electric bus was presented in this paper. A design of regenerative braking system for a pure electric bus was presented in this paper The control of regenerative braking was achieved by Pneumatic ABS and improve braking energy recovery under the premise of ensure braking performance. Regenerative braking control algorithm was mainly composed of two parts for the identification of the drivers intention and the brake force distribution. The regenerative brake control model was built in the matlab/simulink environment, rapid prototyping control was achieved by Autobox and vehicle test was carried on. Result shows that the control strategies can effectively make the pneumatic brake system and motor brake system work harmoniously.

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Cristescu, Andreea-Catalina, Ilie Filip, George Ipate, Gheorghe Voicu, and Vasilica Stefan. "Studies and research on the tribological behavior of the braking systems of vehicles. Review." E3S Web of Conferences 286 (2021): 03021. http://dx.doi.org/10.1051/e3sconf/202128603021.

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Given the current context and the advanced stage of technology, which the braking systems of vehicles have reached, the main purpose of the studies and research is focused on presenting the main tribological aspects that contribute at improving the performance of braking systems, in order to ensure the vehicles’ safety and stability at braking, in any conditions. The performance of the braking system is a key factor for both producers and vehicle passengers, due to safety requirements, everincreasing. Thus, over time, numerous studies and research have been carried on in order to improve the performance of the braking system. In this paper are studied tribological phenomena through those, which contribute to the improvement of the braking system as performance, safety and stability.

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Nastasoiu, Mircea, and Nicolae Ispas. "Study on the Dynamic Interaction between Agricultural Tractor and Trailer during Braking Using Lagrange Equation." Applied Mechanics and Materials 659 (October 2014): 515–20. http://dx.doi.org/10.4028/www.scientific.net/amm.659.515.

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The paper elaborates a mathematical model in order to study the dynamics of tractor-trailer systems during braking. The braking dynamics is analyzed by considering two versions for the tractor’s braking system: 1) braking applied on the rear wheels and 2) braking applied on all four wheels. In both versions the trailer is braked on all wheels. This model enables us to determine the evolution of the following parameters: braking deceleration, braking forces, and force at the tractor-trailer hitch point. The authors present applications of the mathematical model elaborated on a tractor-trailer system used for transportation works.

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Pei, Tang, Fu Hao Liu, and Jun Jie Chen. "Design and Simulation for Braking System of FSAE Racing Car." Applied Mechanics and Materials 599-601 (August 2014): 258–63. http://dx.doi.org/10.4028/www.scientific.net/amm.599-601.258.

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This paper introduces the method of braking system design for FSAE racing car. Based on the rules of FSAE, the requirements of braking performance were analyzed and the layout was confirmed. The forces of the braking system were analyzed under different braking strengths. The simulation results show that the ?design of the braking system ?can ?meet the strength requirements. Key words: Design ; Simulation ;FSAE; Racing car

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Ji, Xu, Wei Zhang, Shanwu Liu, Jian Yang, and Weiwei Li. "Design of Hardware-In-The-Loop Simulation System for UAV Braking System on Electromechanical Actuator." Journal of Physics: Conference Series 2029, no. 1 (September 1, 2021): 012013. http://dx.doi.org/10.1088/1742-6596/2029/1/012013.

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Abstract In the field of unmanned aerial vehicle(UAV), the electric braking system of UAV using electromechanical actuator is applied more and more widely due to its good safety, high reliability, light weight, small size and other characteristics. In order to realize the product development and performance test of the UAV electric braking system, a hardware-in-the-loop simulation platform is designed in this paper. The simulation platform for UAV electric braking system takes “Simulation model + hardware object” as the core and the design of the platform is based on TI company’s DSP28335 controller and the automatic code generation technology of MATLAB. The test results show that the simulation platform of UAV electric braking system has perfect function and reliable performance, which can provide a good research platform for the development and performance test of a certain type of UAV electric braking system.

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Nazarov, Alexander, Ivan Nazarov, Yevhen Shpinda, Sergiy Shablenko, Vitaliy Kashkanov, Volodymyr Nazarov, and Oleksandr Leonenko. "Comparative assessment of braking properties of operated passenger cars, according to brake wear." Journal of Mechanical Engineering and Transport 12, no. 2 (February 2021): 76–84. http://dx.doi.org/10.31649/2413-4503-2020-12-2-76-84.

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The article proposes a method for assessing the change in the braking properties of passenger cars during operation following a change in the main characteristic of the brake system - the coefficient of distribution of braking forces between the axles of vehicles, both equipped and not equipped with tracking systems for the braking process by installing brake force regulators in the brake circuits, working according to different laws of changing the drive pressure. The aim of the work is a comparative assessment of the braking efficiency of passenger cars using the example of Lanos cars, the braking systems of which are equipped with various devices for changing the coefficient of distribution of braking forces between the axles, under changing operating conditions. It is known that braking efficiency is an indicator characterizing the braking properties and the ability of a car to maintain a given law of motion during braking, which is determined both by the nature of the adhesion properties of the wheels to the road and the capabilities of the braking system itself to implement these properties. Since the operating conditions of passenger cars significantly affect the braking properties, in order to ensure the required braking efficiency, it is necessary to take into account the change in the primary distribution coefficient of the braking forces generated by the braking mechanisms and the change in their implementation during the operation period. In order to assess the change in the braking properties in the general case of the operation of a passenger car, the dependence of the actual coefficient of distribution of braking forces between the axles on the braking coefficient was proposed. Moreover, the value of the coefficient of distribution of braking forces between the axles depends both on the type of laws of regulation of braking forces and on the residual values of the parameters of braking systems that determine these laws. These dependences on the parameters of the braking systems and the parameters of the passenger car in operation are a function of the goal for determining the residual output characteristics of its braking system.

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Zheng, Hong Yu, Rong He, and Chang Fu Zong. "Research of Electric Vehicle Regenerative Braking Control Strategy Based on EHB System." Advanced Materials Research 724-725 (August 2013): 1436–39. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.1436.

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In accordance with ECE-R-13 braking regulations limit line, a regenerative braking control strategy is proposed to improve the braking energy recovery. Based on a Electric Vehicle, the braking distribution method makes the front and rear axle braking force arbitrarily distributed which is more effective to improve the rate of energy recovery. Simulation results show that this braking force distribution method focuses on making the braking force distribute to the drive shaft to a maximum extent and can decrease the vehicle fuel consumption.

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Jackiewicz, Jacek. "A Flywheel-Based Regenerative Braking System for Railway Vehicles." Acta Mechanica et Automatica 17, no. 1 (January 1, 2023): 52–59. http://dx.doi.org/10.2478/ama-2023-0006.

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Abstract Regenerative braking is a technique that employs electric motors to convert the dynamic mechanical energy from the motor’s spinning rotor and any attached loads into electricity. However, such a type of regenerative braking can only slow but not stop the vehicle because there is too little energy to excite the motor acting as a generator at low speeds. Therefore, this paper presents a unique flywheel-based regenerative braking system for railway vehicles. This system is supposed to meet high safety and comfort expectations in all operating conditions. The braking action control of this system should allow braking of empty or loaded vehicles according to load, the anti-blockage braking action of wheels and prevent wheel-slide during braking or wheel slip during acceleration. The new regenerative braking system under development, like any kinetic energy recovery system, requires the application of continuously variable transmission. The essence of the new solution is to design and build this type of variable transmission using only one planetary gear controlled through the powertrain control module for an electric motor cooperating concurrently. This paper describes complete modelling and simulation realisation on a closed-loop servomotor drive, which cooperates with the variable transmission of the regenerative braking system based on the Scilab/Xcos environment.

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Journal articles on the topic 'Braking System'

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