Clamping-Force Control for Electromechanical Brake

Jo, Chihoon; Hwang, Sung Ho; Kim, Hyunsoo

doi:10.1109/tvt.2010.2043696

Cited by 84 publications

(63 citation statements)

References 8 publications

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“…Also, the sensor has low accuracy in high temperature and structural issue. Clamping force algorithm has been studied in a lot of researches [1,2,4]. In previous papers, clamping force is expressed as a function of motor angle or displacement of brake pad [2].…”

Section: Clamping Force Estimationmentioning

confidence: 99%

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Design of Feed-forward Controller with Stick-slip Friction Modeling in Electro-mechanical Brake System

2016

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Abstract. Electro-Mechanical Brake (EMB) is expected to be one of the future brake system. Feedback controller with sensor measuring is commonly used for control of EMB. However, this controller has some issues like delayed response and extra cost about sensor installation. In this paper, Feed-forward controller in EMB is proposed for solving these problems of feedback control. Also, it is very necessary to describe dynamical phenomenon of friction in actual EMB system. The actual EMB system shows stick-slip friction of mechanical parts which is difficult to model and apply to design of controller. This research is focused on exquisitely describing this stick-slip friction. In order to do this, the experiment about EMB is proceeded in the open loop system with the motor current command and data from the experiment is used for identification of model parameters during stiction. Then, parameters during slip is estimated in the closed loop system. Finally, developed friction model of EMB is proposed and it is utilized for design of feed-forward controller. Matlab Simulink is used for design of EMB simulation model and EMB test bench is utilized for experiment. Performance of proposed control system is compared with that of feedback control system.

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Section: Clamping Force Estimationmentioning

confidence: 99%

“…Brake-By-Wire (BBW) system is expected to be one of the future brake system [4]. Because it has many advantages like faster response, shorter braking distance, good space efficiency and connectivity to vehicle chassis control systems like Anti-lock Brake System (ABS) and Electronic Stability Control (ESC) [7].…”

Section: Introductionmentioning

confidence: 99%

Design of Feed-forward Controller with Stick-slip Friction Modeling in Electro-mechanical Brake System

2016

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“…Because the change in the wedge velocity is very small, the force acting on the wedge from the power screw is simplified from equations (9) to (11).…”

Section: Modeling Of the Caliper And Wedgementioning

confidence: 99%

Modeling and control of an electronic wedge brake

Han

Kim

Huh

2012

Proceedings of the Institution of Mechanical Engineers, Part C:

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The electronic wedge brake is one of the brake-by-wire systems with a self-energizing effect. It is attractive because it can produce enough braking torque with the 12-voltage system. However, the electronic wedge brake cannot be implemented unless the self-energizing effect is effectively controlled. In this study, the electronic wedge brake is modeled into dynamic equations, and a sliding mode controller is designed based on the model. The clamping force is estimated based on the simplified electronic wedge brake model and the contact point detection algorithm is also provided. The performance of the proposed controller is verified in simulations and experiments using a prototype electronic wedge brake.

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“…The roller bearing between the wedges moves the upper wedge diagonally and creates friction between the upper wedge pad and the disc. This generates the self-reinforcing force, and a considerable braking force is generated from a relatively small actuator power [1][3] [5]. The regenerative braking control strategy that was used for the subject vehicle in this study stops the vehicle using only the regenerative braking if the desired braking deceleration is less than the set value.…”

Section: IImentioning

confidence: 99%

Development of a co-operative control algorithm during regenerative braking for a fuel cell electric vehicle

Kim

Lee

et al. 2011

2011 IEEE Vehicle Power and Propulsion Conference

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In this study, a regenerative braking control algorithm was developed for the fuel cell electric vehicle (FCEV) equipped with the front electronic wedge brake (EWB).A regenerative braking control algorithm was proposed for the regenerative braking and friction braking for the front wheels, and for the friction braking for the rear wheels; and a powertrain model of an FCEV composed of a motor, fuel cells, and batteries, and a MATLAB model of the control algorithm, were developed. They were linked to the MATLAB SimDriveline model of the vehicle under study, whereas the braking hardware in the loop simulator (HILS) of the FCEV was built using the EWB hardware. HILS was used to examine the dynamic response of the regenerative motor torque and the EWB clamping force that corresponded to the driver's braking demand.

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Clamping-Force Control for Electromechanical Brake

Cited by 84 publications

References 8 publications

Design of Feed-forward Controller with Stick-slip Friction Modeling in Electro-mechanical Brake System

Design of Feed-forward Controller with Stick-slip Friction Modeling in Electro-mechanical Brake System

Modeling and control of an electronic wedge brake

Development of a co-operative control algorithm during regenerative braking for a fuel cell electric vehicle

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