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A Study on the Development of the Automatic Performance-Test-Bench for Drag Torque  

Lee, Seong-Ho (Korea Measurement Technology System)
Mok, Hak-Soo (Department of Industrial Engineering, Pusan National University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.16, no.1, 2008 , pp. 166-174 More about this Journal
Abstract
Recently, the automotive industry has been developing rapidly. With the progress parts of the automobile components need high quality and the reliability. Among them, braking unit is essential device, and acquire the reliability through the performance test of brake. This study was aimed to design the performance-test-bench to measure the drag torque which has effect on caliper in braking unit. In this progressive technology, it is vital importance to use hydraulic and pneumatic, and to combine test bench with instrumentation engineering technology. This system to construct the design of hydraulic and pneumatic circuit, interface technique between sensors and personal computer, data acquisition and display design, and integrated control are very important technology. Moreover, reliable data are obtained through vacuum system and hydraulic and pneumatic system by using of booster and brake master cylinder which are actually applied to automobile. Then, data signal detector sensors for speed, pressure and torque is attached on this system. Therefore, in this study, we designed a performance-test-bench by and we also made an total control system using personal computer which is more progressive and flexible method than existing PLC control.
Keywords
Performance-test-bench; Drag torque; Brake master cylinder; Caliper; Interface technique; Control system;
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