Development of an Electrically Driven Intelligent Brake System

Oshima, Toshiaki; Fujiki, Noriaki; Nakao, Seiji; Kimura, Tetsuo; Ohtani, Yukio; Ueno, Kentaro

doi:10.4271/2011-01-0568

Cited by 37 publications

(13 citation statements)

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“…Wei et al (2017) integrated yaw stability control into the EHB system to increase braking force and improve the yaw angular speed tracking capability. Oshima et al (2011) took the hydraulic pressure of the main cylinder directly as the control variable, being easy to observe and realize, but did not achieve accurate control in the low pressure range. Salih et al (2019) proposed a new method, called a "coperative active neuro-fuzzy inference system" for modeling evaporation using meteorological variables, which could only simulate evaporation from average temperature and relative humidity; but the efficiency of the Nash-Sutcliffe model reaches 0.93, which is much superior.…”

Section: Literature Reviewmentioning

confidence: 99%

Hydraulic-pressure-following control of an electronic hydraulic brake system based on a fuzzy proportional and integral controller

Chen

Shao

Liu

et al. 2020

Engineering Applications of Computational Fluid Mechanics

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Significant nonlinearity of electronic hydraulic brake (EHB) systems often leads to complex hydraulic force control responses. This paper designs a motor-driven EHB system and analyzes nonlinear friction induced by the deceleration mechanism. To compensate this friction, a flutter signal is added to the controller input. In addition, this paper designs a fuzzy-PI (Proportional and Integral) controller for the cylinder hydraulic pressure of the EHB system based on the opening and closing characteristics of a solenoid valve. Response curves of cylinder hydraulic pressure are obtained under three different input signals: step, triangular, and sinusoidal. The co-simulation model is established by AMEsim TM and Simulink R ansofts. The study results indicate that the proposed hydraulic-forcefollowing control method of the EHB system can follow different input signals well. A step response test and a sine-wave-following test are carried out, which correspond to the EHB response in the case of driver's emergency braking and frequent braking, respectively. Stable and rapid pressure build-up is obtained under different step target hydraulic pressures. Therefore, the hydraulic-force-following control method of the EHB system based on a fuzzy-PI controller can satisfy the EHB system accuracy requirements for an electric vehicle, which is a certain valuable for the automobile industry.

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Section: Literature Reviewmentioning

confidence: 99%

Hydraulic-pressure-following control of an electronic hydraulic brake system based on a fuzzy proportional and integral controller

Chen

Shao

Liu

et al. 2020

Engineering Applications of Computational Fluid Mechanics

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“…where is the terminal voltage. The state space matrices are; (4) where are the moment of inertia, friction constant, resistance, inductance, torque constant and electromotive constant. Table 1 gives the motor parameters.…”

Section: Motormentioning

confidence: 99%

“…First research on EMB started in 1990s [3]. Continental company invented an EMB brake in 1995 which was tested in vehicles in 1997 [4]. Companies like Bosch, Siemens, Continental TEVES and other companies also presented their EMB ideas [5].…”

mentioning

confidence: 99%

Modelling and Validation of An Electronic Wedge Brake System with Realistic Quarter Car Model for Anti-Lock Braking System Design

Soomro

Hassan

Ahmad

2019

IJIE

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Automotive vehicles are an integral part of almost every human being in every part of the world. The coming years will see increasing electrification of vehicles. The shift to electric vehicles is driven by the need of energy efficient and eco-friendly vehicles with low CO2 emission. Efficient use of the available energy requires the following [1]: Minimizing power losses in passive mode.  Maximizing efficiency of components.  Controlling power consumption via intelligent battery management and consumers. These factors motivate car companies to move towards drive-by-wire solutions in the future. With the advent of faster and more powerful computers and electronic components, the shift from mechanical systems to mechatronic systems is becoming reality. Mechatronic systems provide smarter, safer and more efficient solutions for vehicles.Drive-by-wire refers to automotive systems which replace the bulky and prone to failure mechanical systems like steering, braking, throttling, by mechatronic components. In drive-by-wire systems, the command signals to achieve the different tasks are carried by wires in form of electric signals and the command is passed on to mechatronic actuators. One such system is brake-by-wire (BBW), where the bulky brake fluids, pumps and pipes are replaced by electric wires, Abstract: With the advancement in battery and electronics technologies, soon Electric Vehicles (EV) will replace traditional vehicles as they are more efficient and environment friendly. This will require replacement of all mechanical systems in vehicles with their electrical counterparts. This study focuses on electromechanical brakes (EMB) as replacement of hydraulics brakes. Particularly a type of EMB known as Electronic Wedge Brake (EWB) which uses wedges to create self reinforcing braking force and consume less power than other EMBs. Detailed mathematical model of an EWB system is presented which provides braking force and torque to the disk brake. A Quarter Car Model (QCM) with realistic parameter values and aerodynamic deceleration is modelled to validate the EWB system. The system is validated for different road conditions and anti-lock braking system (ABS) is demonstrated for snowy road using a single PID controller. The results validate the brake and car model and a need for cascaded control strategy to implement ABS is established.

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“…But the electric vehicle is driven by motor, instead of combustion engine. One vacuum pump is needed to take use of vacuum booster [3]. This will lead to increase of cost and waste of space.…”

Section: Introductionmentioning

confidence: 99%

Design and experiment of Electro-Hydraulic Brake system

Guang

Liu

et al. 2014

2014 IEEE Conference and Expo Transportation Electrification Asia-Pacific (ITEC Asia-Pacific)

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Combined with the analysis on the traditional brake system, the topological structure of the EHB(Electro-Hydraulic Brake) system is summarized. Based on that, one EHB system with motor-reducer mechanism as active power supply is put forward. In this system, one decoupling cylinder is designed to decouple brake pedal and active power supply. The backup mode is also considered in case of motor failure. Selection and design of power supply is completed. Feasibility of this system is validated through simulation and experiment.

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Development of an Electrically Driven Intelligent Brake System

Cited by 37 publications

References 0 publications

Hydraulic-pressure-following control of an electronic hydraulic brake system based on a fuzzy proportional and integral controller

Hydraulic-pressure-following control of an electronic hydraulic brake system based on a fuzzy proportional and integral controller

Modelling and Validation of An Electronic Wedge Brake System with Realistic Quarter Car Model for Anti-Lock Braking System Design

Design and experiment of Electro-Hydraulic Brake system

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