Development of Electro-hydro Autonomous Parking Braking System for Electric Vehicle

Development of Electro-hydro Autonomous Parking Braking System for Electric Vehicle

In order to reduce human effort and to increase the safety of the vehicle, the importance of the parking braking system is to ensure the braking of the vehicle while parking on any lane. The Automatic Parking Braking System (APBS) has been configured to be automatically triggered as long as the vehicle ignition switch is turned off and the door is open. Compared to traditional parking brakes, additional safety features, automatic braking on the hill in parking with safety, less space, improving interior ergonomics, and reducing vehicle weight and expense, APBS provides distinct advantages for new-cars that are easier to run. With a small activation switch located on the centre console of a car, APBS replaces large manually controlled levers or foot pedals. The traditional parking brake system allows the driver to pull the lever manually while applying the brakes. To some degree, because of the insensitivity, the car is left without applying the parking brake, which could endanger the vehicle if there is some road gradient and strong wind. The goal of this study is to present an automated electro-hydro parking braking system with additional protection for parking the vehicle on the lane. This is built with a linear displacement mechanism by associating wheel speed sensors (WSS), accelerator off-sensors (AoS), alder magnetic sensor (AMS), controller, and actuator. When the vehicle parks, this electro-hydro automatic parking braking mechanism automatically brakes it. This guarantees that the vehicle is stable while it is stopped and prevents the rollaway of the vehicle or other unexpected movement that might occur. It enhances the protection of the vehicle and those around it as well. When the vehicle parks on the basis of the WSS, AMS, and AoS response, the actuator linear mechanism displacement is controlled by the auto-clamping system. Considering the 2-25% gradient of the route, the model was tested. The automatic parking braking system needs a hydraulic pressure of 383.66 kPa to ensure that the vehicle parks at a gradient of 25 percent, which is 11 percent less than the 35 km/h speed braking vehicle.

Author (s) Details

Ataur Rahman
Department of Mechanical Engineering, Faculty of Engineering, International Islamic University Malaysia, 50728 KL, Malaysia.

Sany Ihsan Izan
Department of Mechanical Engineering, Faculty of Engineering, International Islamic University Malaysia, 50728 KL, Malaysia.

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