Hydraulic regenerative braking system studies based on a nonlinear dynamic model of a full vehicle

Li, Ning; Ning, Xiaobin; Wang, Qiucheng; Li, Jiliang

doi:10.1007/s12206-017-0512-7

Cited by 11 publications

(10 citation statements)

References 10 publications

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“…By comparison, it shows that the driving time from the starting position to the stop line in front of the signal light is moderate in condition A, and the braking time of the vehicle is not deteriorated due to the optimization of the BERE. Figures [17][18][19] are the curves of the vehicle speed, displacement, and supercapacitor SOC with time during the braking process. it can be seen that with each working condition, the final driving distance are the same; only the vehicle driving time and braking time are different.…”

Section: Comparative Analysis Of Simulation Resultsmentioning

confidence: 99%

“…The inertial kinetic energy of the vehicle during braking is simulated by the flywheel, and a HERBS simulation model consisting of flywheel, supercapacitor, bidirectional DC/DC converter and motor is built in MATLAB software, and the changes of each parameter in the braking energy recovery process are studied by simulation. Among them, the motion equation of flywheel is as follows [18]:…”

Section: Simulation and Verification Of Herbsmentioning

confidence: 99%

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Study on Speed Planning of Signalized Intersections with Autonomous Vehicles Considering Regenerative Braking

Yang

Jiang

et al. 2022

Processes

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In order to reduce the energy consumption caused by the frequent braking of vehicles at signalized intersections, an optimized speed trajectory control method is proposed, based on braking energy recovery efficiency (BERE) in connection with an automated system for vehicle real-time interaction with roadside facilities and regional central control. Our objectives were as follows; firstly, to establish the simulation model of the hybrid energy regenerative braking system (HERBS) and to verify it by bench test. Secondly, to build up the genetic algorithm (GA) optimization model for the deceleration stopping of the HERBS. Then, to obtain signal light status and timing information to be the constraints; the BERE is to be the optimized objective, resulting in optimization for the speed trajectory under the deceleration stopping condition of a single signalized intersection. Finally, vehicle simulations in ADVISOR software are utilized to validate the optimization results. The results show that the BERE during deceleration stopping at a single signalized intersection after the speed trajectory optimization is 36.21% higher than that of inexperienced drivers, and 7.82% higher than that of experienced drivers.

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Section: Comparative Analysis Of Simulation Resultsmentioning

confidence: 99%

Section: Simulation and Verification Of Herbsmentioning

confidence: 99%

Study on Speed Planning of Signalized Intersections with Autonomous Vehicles Considering Regenerative Braking

Yang

Jiang

et al. 2022

Processes

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“…It is required that s_ s < 0 is permanently met to ensure the sliding mode exists [18]. So, the switching control v sw is settled as Eq.…”

Section: Actuator Design and Model Establishmentmentioning

confidence: 99%

Sliding Mode Control of Hydraulic Pressure in Electro-Hydraulic Brake System Based on the Linearization of Higher-Order Model

Chen¹,

Sun²,

Wang³

et al. 2020

Fluid Dynamics &Amp; Materials Processing

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The possibility to enhance the stability and robustness of electrohydraulic brake (EHB) systems is considered a subject of great importance in the automotive field. In such a context, the present study focuses on an actuator with a four-way sliding valve and a hydraulic cylinder. A 4-order nonlinear mathematical model is introduced accordingly. Through the linearization of the feedback law of the high order EHB model, a sliding mode control method is proposed for the hydraulic pressure. The hydraulic pressure tracking controls are simulated and analyzed by MATLAB/Simulink soft considering separately different conditions, i.e., a sine wave, a square wave and a square wave with superimposed sine disturbance. The results show that the proposed strategy can track the target within 0.25 s, and the mean observed error is less than 1.2 bar. Moreover, with such a strategy, faster response and less overshoot are possible, which should be regarded as significant advantages.

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“…HRBS can be used to recover the kinetic energy of vehicles and convert it into hydraulic energy in order to store it in the accumulator. When a vehicle starts or accelerates, the stored hydraulic energy is released in the form of kinetic energy to provide auxiliary power for the vehicle; thereby, the energy is fully utilized and the energy-utilization rate of the vehicle is effectively improved [3,4]. HRBS has been favored over the years due to high power density and high energy-recovery efficiency.…”

Section: Introductionmentioning

confidence: 99%

A Cooperative Control Strategy for a Hydraulic Regenerative Braking System Based on Chassis Domain Control

Jiang²,

Sun

et al. 2022

Electronics

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In order to solve the problems of wheel locking and loss of vehicle control due to understeering or oversteering during the braking energy-recovery process of the hydraulic regenerative braking system (HRBS), aiming at the characteristics of chassis domain control that can realize coordinated work among various chassis systems, a cooperative control strategy of HRBS based on chassis domain control was proposed. Firstly, a HRBS test bench was built, and the accuracy of the simulation model was verified by comparing it with the test. Next, the proposed cooperative control strategy was designed, which coordinates the wheel anti-lock actuation system (WAAS) to adjust the wheel cylinder pressure to solve the wheel locking problem of HRBS in the process of braking energy recovery and coordinate the vehicle anti-loss control actuation system (VACAS) to generate a yaw compensation moment to solve the vehicle loss of the control problem of HRBS in the process of braking energy recovery by detecting the wheel slip ratio, yaw rate and sideslip angle. Finally, the established control strategy was verified through the co-simulation of Carsim and Matlab software, and the results showed that the control strategy proposed in this paper could not only avoid wheel locking and loss of vehicle control during turning braking on low-adhesion roads, but also improve the energy-recovery efficiency by 29.64% compared with a vehicle that only controls the slip ratio.

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Hydraulic regenerative braking system studies based on a nonlinear dynamic model of a full vehicle

Cited by 11 publications

References 10 publications

Study on Speed Planning of Signalized Intersections with Autonomous Vehicles Considering Regenerative Braking

Study on Speed Planning of Signalized Intersections with Autonomous Vehicles Considering Regenerative Braking

Sliding Mode Control of Hydraulic Pressure in Electro-Hydraulic Brake System Based on the Linearization of Higher-Order Model

A Cooperative Control Strategy for a Hydraulic Regenerative Braking System Based on Chassis Domain Control

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