Research on Mechanism and Key Technology of Intelligent Vehicles Brake By Wire system

Li, Tuantuan; Shi, Qin; Zhang, Lei; He, Lei; Liu, Bingjiao

doi:10.1109/cvci47823.2019.8951547

Cited by 7 publications

(4 citation statements)

References 32 publications

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“…(5) The contact stress at any position of the clamping force control section shall meet the requirements without stress concentration; (6) The cam mechanism meets the design total lift requirements; (7) The profile shall be smooth enough, and the fluctuation of curvature radius shall be small;…”

Section: Improved Pso Algorithm Designmentioning

confidence: 99%

“…(8) The profile will not interfere with distortion; (9) Minimize the pressure angle during cam driving to improve transmission efficiency. Based on the above design requirements, (1), ( 3), ( 4), (7), and ( 9) can be taken as the objectives of the profile design, and (2), ( 5), (6), and (8) are constraints. However, it is almost impossible to solve this functional extremum problem.…”

Section: Improved Pso Algorithm Designmentioning

confidence: 99%

“…Secondly, the EHB's control-by-wire action is usually on/off valves, and the control output is discrete [6]. However, the EMB can achieve continuous adjustment, making the control execution performance superior [7,8].…”

Section: Introductionmentioning

confidence: 99%

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Design and Optimization of a Novel Electronic Mechanical Brake Actuator Based on Cam

et al. 2023

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The electronic mechanical brake (EMB) is considered an ideal actuator for brake-by-wire systems. We applied the negative radius roller cam mechanism as the clamping mechanism of the EMB, solving the problem of large size, poor load-bearing capacity, and the inefficiency of the existing EMBs. When designing a cam as a clamping transmission mechanism, it is necessary to take the pressure angle, contact stress, motion law, etc., as goals and constraints. Existing design methods cannot easily solve this problem. Therefore, we propose a new analysis method from the cam profile and combine it with an improved particle swarm optimization (PSO) algorithm to design the cam profiles. This method can handle various complex goals and constraints of the EMB and obtain the required negative radius roller cam profile. Finally, the logical consistency of the profile-based analysis method was verified, and the EMB design objectives and accuracy were compared using ADAMS. Under the same conditions, the result showed that the optimized cam mechanism requires only 40.52% motor power and only 65.65% clearance elimination time compared to the EMB with the lead screw mechanism.

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Section: Improved Pso Algorithm Designmentioning

confidence: 99%

Section: Improved Pso Algorithm Designmentioning

confidence: 99%

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Design and Optimization of a Novel Electronic Mechanical Brake Actuator Based on Cam

et al. 2023

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“…The BBW system is the key to controlling the energy efficiency level of intelligent connected EVs, and it is also the top priority to determine the safety, comfort and service life of the vehicles [3]. BBW system has outstanding advantages, such as fast response, accurate control and high energy efficiency.…”

Section: Introductionmentioning

confidence: 99%

A Survey of Brake-by-Wire System for Intelligent Connected Electric Vehicles

et al. 2020

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Intelligent connected electric vehicles (EVs) are widely considered as a trend in the global automotive industry to make transportation safer, cleaner and more comfortable. As an important component of intelligent connected EVs, the brake-by-wire (BBW) system is the key to determining the performance of the vehicle and the efficiency of braking energy recovery. BBW systems are showing great promise in the area of vehicle braking due to the increasing requirements on safety and energy efficiency of vehicles. In recent years, BBW systems have undergone great changes in terms of structure and control methods, not only increasing safety and energy recovery efficiency, but also integrating more functions. Although important advancements have been achieved in this field, these works have not been fully summarised. This paper surveys and summarizes the research in literature to bring topical information to the field of intelligent transportation systems. The objective of this study is to present an overview of both the development trend and key technologies of the BBW system for intelligent connected EVs. Firstly, the development, structure and core components of BBW system are described. Secondly, the control method and control strategy of BBW system are analyzed. As much as the system shows great promise, the problems existing on its current technology should be addressed as well. Finally, some important countermeasures are proposed to solve the existing technical problems of the BBW system.

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Development of a novel electro-mechanical brake motor thermal management system for nonuniform heating under extreme thermal conditions

Park,

Choi,

Lee

et al. 2025

Energy Conversion and Management

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Research on Mechanism and Key Technology of Intelligent Vehicles Brake By Wire system

Cited by 7 publications

References 32 publications

Design and Optimization of a Novel Electronic Mechanical Brake Actuator Based on Cam

Design and Optimization of a Novel Electronic Mechanical Brake Actuator Based on Cam

A Survey of Brake-by-Wire System for Intelligent Connected Electric Vehicles

Development of a novel electro-mechanical brake motor thermal management system for nonuniform heating under extreme thermal conditions

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