Abstract
Abstract The current annual inspection of automotives is non-disassembly detection. It can merely measure the power output of automotive chassis, and get inaccurate results. There are few cumbersome and low precision methods for measuring the power output of the engine, and it is difficult to obtain transmission efficiency of automotive powertrain. Anew measuring system is developed by adding reverse dragging system on the basis of the present chassis dynamometer. The system can be used for swift testing of power output of the engine at a particular speed and efficient calculation of the transmission efficiency of automotive powertrain without disassembly. Calibration test is experimented on the force cell. The results show that the proposed system is theoretically correct and practically usable.
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