نوع مقاله : مقاله پژوهشی (کاربردی)
نویسندگان
1 عضو هیات علمی، مرکز آموزش مهارتهای مهندسی، دانشگاه صنعتی شریف، تهران، ایران.
2 عضو هیات علمی، گروه مهندسی مکانیک، دانشگاه فنی و حرفهای، تهران، ایران.
3 کارشناسی ارشد، گروه مهندسی مکانیک، دانشگاه صنعتی شریف، تهران، ایران.
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
One of the major defects of the conventional Car Braking System (CBS) is the lack of control of the amount of braking torque applied to the wheels compared to the frictional torque between the tire and the ground during extreme braking. If the driver does not have accurate estimate of the road conditions, applying too much force to the brake pedal will cause the wheels to lock. By locking the wheels of the car, in addition to increasing the braking distance, the lateral stability of the car is also reduced and the car deviates from its path. The anti-lock braking system was designed to increase the efficiency of the braking system, achieve the minimum braking distance and increase the directional stability of the vehicle in emergency braking situations by preventing the wheels from locking. For this purpose, various control algorithms were proposed to control the amount of slip, deceleration and angular velocity. In the present research, first, analytical modeling was presented for the entire anti-lock braking system followed by experimental validation tests and system state equations. Then, two control algorithms of Rule-Based and Sliding Mode were designed for the system and their performance was evaluated and compared with the experimental data obtained from the brake system test under real conditions. The findings of this research show that under real conditions, the use of rule-based algorithms, with a small volume of calculations and programming codes, can lead to acceptable results compared to robust algorithms consisting of a high volume of calculations and programming codes.
کلیدواژهها [English]