Design of Hardware Architecture and Control Algorithm for the Electronic Wedge Brake

Han, Kyutae; Huh, Kunsoo; Chun, Jaehyung; Kim, Myoungjune; Kim, Joogon

doi:10.1115/dscc2010-4115

Cited by 5 publications

(3 citation statements)

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“…Although a lead screw 's efficiency is a true measured value, objective testing is the best method for determining the results. Based on the experimental work of the researcher the output of the lead screw used varies within certain tolerances from its nominal value [14], [26]. An approximation such as setting a constant value at the efficiency of the screw [27] can also be made, though.…”

Section: Brake Actuator Modellingmentioning

confidence: 99%

A dynamic model of electronic wedge brake: experimental, control and optimization

Hasan

Hassan

Ahmad

et al. 2021

IJEECS

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This paper discusses the process of modelling and parameter selection for the creation of the electronic wedge brake system (EWB). The system involves a permanent magnet DC engine (PMDC) that drives the motor, the gear leadscrew and the brake core. The proposed model is simpler and more flexible which can be used in both the most well-known EWB designs either natural or optimized EWB. The selection of the motor is rendered according to the brake specifications. The wedge angle profile is centred on the derivation of EWB system that consists of brake actuator, wedge mechanism dynamic and wedge characteristic brake factor. Control and optimization are carried out with specific coefficients of friction of the brake pads to maintain operating reliability. A 5th-order brake simulation model of the EWB in a single state-space was derived and a simulation was conducted to verify the distribution of force. The efficiency of the brake clamping force control system was assessed by proportional-integral-derivative (PID) control. The performance of the proposed controller is verified in simulations and experiments using a prototype electronic wedge brake. The research findings indicate, the actuator restriction is deemed to achieve consistent performance against full range braking during the EWB control design.

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Section: Brake Actuator Modellingmentioning

confidence: 99%

A dynamic model of electronic wedge brake: experimental, control and optimization

Hasan

Hassan

Ahmad

et al. 2021

IJEECS

View full text Add to dashboard Cite

show abstract

“…The lead screw output value ranges from 0 to 1. This is primarily determined by the geometry of the contact [43][44][45], the output of the lead screw used varies within a certain tolerance from its nominal value. As a result, the efficiency of the lead screw has been estimated to be 0.65 in this case.…”

Section: Cw-ewb Dynamic Modelmentioning

confidence: 99%

Mechanism of Cone Wedge Shape Based Electronic Wedge Brake: Model and Experimental Validation

Haris

Ahmad

Jamaluddin

et al. 2023

Int. J. Automot. Mech. Eng.

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This paper describes a new design of an electronic wedge brake (EWB) system called the Cone Wedge Shape Based Electronic Wedge Brake (CW-EWB). The CW-EWB brake is made up of two cone wedges, one female and one male, stacked on top of each other. The CW-EWB is powered by the linear movement of a roller screw caused by the rotation of an electric motor through the roller screw, which causes the lower wedge to move tangentially to the disc brake, creating braking torque as the wheel rotates. A dynamic model of the CW-EWB that creates braking torque was built in this study, utilising a physical parametric estimate method. A torque tracking controller based on the proportional integral derivative (PID) control scheme is presented to ensure the CW-EWB model performs properly. The resulting mathematical model and control method were then experimentally tested using a braking test rig outfitted with multiple sensors and input-output (IO) devices. The performance of the brake mechanism is analysed in terms of actuator voltage, current, wedge position, wheel speed, and brake torque. Consequently, comparisons are made between experimental outcomes and simulated model responses. There are comparable trends between simulation results and experimental data, with an acceptable level of error.

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“…𝑓(𝛽, 𝛼) = 𝑐𝑜𝑠 𝛽 + 𝑠𝑖𝑛 𝛽 𝑡𝑎𝑛 𝛽 (10) thus, 𝑓(𝛽, 𝛼) = 1 𝑐𝑜𝑠 𝛽 (11) Thus, the simplified wedge dynamic model can be described as:…”

Section: Gear Roller Screw Upper Wedge Attached To Caliper Body Left ...mentioning

confidence: 99%

The Experimental Evaluation of Cone Wedge Shape based Electronic Wedge Brake Mechanism in Vehicle Braking System

Haris

Fauzi

Hassan

et al. 2022

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The brake system is one of the most critical parts of a vehicle's technology for avoiding accidents. The ultimate focus of the braking system is to guarantee that adequate stopping force is available to stop the vehicle's longitudinal movement. Therefore, the ability of a brake system to stop a vehicle must be examined in terms of analyzing the brake system's performance and the implementation of the brake system on actual vehicles. This study offers a performance evaluation of the Electronic Wedge Brake based on the Cone Wedge Shape (CW-EWB) on the vehicle brake systems. The evaluation was carried out through dynamic assessments, namely sudden braking tests at constant speeds of 40, 60, and 90 km/h using the MATLAB Simulink software simulation method and an experimental study using hardware-in-loop simulation (HILS). In the simulation study, the performance of the vehicle brake system using CW-EWB was compared with the brake performance of the vehicle using the conventional hydraulic brake (CHB). The results showed that CW-EWB behaved similarly to the hydraulic brake in terms of required brake torque output but with a faster response time, i.e., between 0.5 – 1 s. The HILS experimental study was conducted to evaluate the performance of the CW-EWB on actual vehicles. This method confirmed the HILS results against the simulation results with a variable response time of less than 6%. Vehicle body speed, wheel speed, longitudinal tire slip, and stopping distance experienced by the vehicle were all evaluated. The study's findings show that the proposed CW-EWB is quite effective and sufficiently dependable to be used as a vehicle brake system, notably in Antilock Braking Systems.

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Design of Hardware Architecture and Control Algorithm for the Electronic Wedge Brake

Cited by 5 publications

References 0 publications

A dynamic model of electronic wedge brake: experimental, control and optimization

A dynamic model of electronic wedge brake: experimental, control and optimization

Mechanism of Cone Wedge Shape Based Electronic Wedge Brake: Model and Experimental Validation

The Experimental Evaluation of Cone Wedge Shape based Electronic Wedge Brake Mechanism in Vehicle Braking System

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