A concept for an electrohydraulic brake system with adaptive brake pedal feedback

Farshizadeh, Emad; Steinmann, David; Briese, Hermann; Henrichfreise, Hermann

doi:10.1177/0954407015574172

Cited by 10 publications

(5 citation statements)

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“…17 Document 18 proposed a control strategy of an electro-hydraulic braking system, which can compensate for the disturbance caused by regenerative braking and ABS intervention, and will not affect the brake pedal feel. In reference, 19 in order to avoid the interference of the brake pedal feel when the regenerative braking and friction brake are switched or the anti-lock brake system intervenes, a control method of the electro-hydraulic braking system is proposed. In order to improve the efficiency of braking energy recovery while ensuring the feel of the brake pedal, literature 20 studied the coordinated control method of friction braking and regenerative braking.…”

Section: Introductionmentioning

confidence: 99%

Research on a novel electro-hydraulic brake system and pedal feel control strategy

Xuan-yao

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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The existing electro-hydraulic brake system does not consider the adverse effect of the failure of the brake pedal feel simulator on the function of the braking system and the driving safety of the vehicle. To solve the above problems, a novel electro-hydraulic brake system is proposed. Firstly, the structural scheme and the working modes of the system are analyzed, and the electro-hydraulic brake system model is established, and a control strategy for the controlling of the wheel cylinder pressure is put forward. Then, the pedal feel control strategy is studied, which can simulate arbitrary pedal characteristics by controlling the output torque of the motor. Moreover, for the failure of the pedal travel sensor, a pedal displacement estimation method is proposed based on the pressure sensor information of the front chamber of the master cylinder. And for the failure of the pedal feel simulation motor, the pressure of the front chamber of the master cylinder is controlled by adjusting the opening of the pedal feel simulation valve to realize the simulation of the pedal feel. The simulation results based on CarSim/AMESim/Simulink show that the proposed electro-hydraulic brake system has fast pressure response speed and quick pressure tracking accuracy. The pedal characteristics are essentially unchanged before and after the failure of the pedal feel simulation motor or the pedal travel sensor.

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Section: Introductionmentioning

confidence: 99%

Research on a novel electro-hydraulic brake system and pedal feel control strategy

Xuan-yao

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…However, the most accurate description of BBW is the EMB because the brake fluid and hydraulic lines are eliminated. Since it had been introduced in 1989, many patents have been claimed in different design of EMB [11][12][13][14][15][16]. In those inventions, four common features have been identified in all designs.…”

Section: Introductionmentioning

confidence: 99%

“…In those inventions, four common features have been identified in all designs. Most of the EMBs consists of an electric motor drive, some reduction gear, a floating disc brake calliper type and used 24/42-volt power supply [11][12][13][14][15][16]. However, the power requirement cannot be fulfilled by using the internal battery of a normal vehicle due to the existing vehicles use a 12V power supply only [12] [17].…”

Section: Introductionmentioning

confidence: 99%

The Magnetorheological Fluid: Testing on Automotive Braking System

Zainordin¹,

Mohamed²,

Ahmad³

2021

IJAME

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This paper presents the testing of a Magnetorheological brake (MRB) in the braking system of a vehicle. Two techniques are used to determine the capability of the brake system which are the simulation via Matlab Simulink Software and experimental study by using a quarter vehicle test rig. A Proportional-Integral-Derivative (PID) is employed as a wheel speed control as well as to enforce the MRB to produce the required braking torque need by a vehicle. A dynamic test, namely sudden braking test is performed in three rotational speed conditions which are from 127.5 rad/s (1200 rpm) to 31.42 rad/s (300 rpm), 52.37 Rad/s (500 rpm) and 73.31 rad/s (700 rpm) in two different wheel load which are 10 kg and 15 kg, respectively. The behaviours to be assessed are wheel speed response and brake torque produced by the MRB. From the observation, it is concluded that the capability of the MRB in providing the required brake torque is promising and harmony between simulation and experimental response.

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“…One of the foundations of driver assistance system is the intelligent braking system (IBS), which has a faster responses and is reliable and energy efficient. Along with IBS, several braking systems have been invented, such as the electro-hydraulic brake (EHB), 1,2 electro pneumatic brake (EPB), 3 electromechanical brake (EMB), 4,5 and lately the electronic wedge brake (EWB). 6–12 Among them, the EWB is the possible platform and effective to be used as an IBS because of its ability to provide higher braking torque and faster response by using the standard 12 V power supplies system.…”

Section: Introductionmentioning

confidence: 99%

Simulation and experimental investigation of vehicle braking system employing a fixed caliper based electronic wedge brake

et al. 2017

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This paper presents an investigation into the performance of a fixed caliper based electronic wedge brake (FIXEWB) in a vehicle braking system. Two techniques were used as assessment methods, which are simulation via MATLAB Simulink software and experimental study through hardware-in-the-loop-simulation (HILS). In the simulation study, the vehicle braking system was simulated by using a validated quarter vehicle traction model with a validated FIXEWB model as the brake actuator. A proportional-integral-derivative controller was utilized as the brake torque control, whereas proportional-integral and proportional controllers were used as the position and speed control of the actuator, respectively. To study the effectiveness of the FIXEWB, the response of the vehicle using the FIXEWB is compared with the responses of a vehicle using a conventional hydraulic brake. A dynamic test, namely braking in the sudden braking at constant speeds of 40 and 60 km/h was then used as the testing method. The simulation results show that the usage of the FIXEWB with an appropriate control strategy produces similar behavior to that of a hydraulic brake in terms of the produced desired braking torque but with faster time response. To study the performance of the FIXEWB when implemented on a real vehicle, an experimental rig using HILS was designed and the results are analyzed using the same dynamic tests. The performance areas evaluated are vehicle body speed, wheel speed, tire longitudinal slip, and the stopping distance experienced by the vehicle. The outcomes from this study can be considered in the design optimization of an antilock braking system control in a real car in the future. Keywords Fixed caliper based electronic wedge brake, hardware-in-the-loop-simulation, sudden braking test, quarter vehicle traction model used as an IBS because of its ability to provide higher braking torque and faster response by using the standard

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A concept for an electrohydraulic brake system with adaptive brake pedal feedback

Cited by 10 publications

References 0 publications

Research on a novel electro-hydraulic brake system and pedal feel control strategy

Research on a novel electro-hydraulic brake system and pedal feel control strategy

The Magnetorheological Fluid: Testing on Automotive Braking System

Simulation and experimental investigation of vehicle braking system employing a fixed caliper based electronic wedge brake

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