Development of Car Continuously Variable Transmission on the Basis of Personal Computer
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Abstract:
During the process of developing the Car Continuously Variable Transmission, the Control rule of the system is so complicated that we have to adjust and modificate the control parameters often. Direct debugging and empoldering by using singlechip system will result in long empoldering period and low efficiency. The present article presents an empolder scheme based on the control of Personal Computer. In the empoldering process we will predigest the Car Transmission Control Unit of the Continuously Variable Transmission into an extension which is only used for parameter tracking and measurement, while the matching control of the system and the parameter monitor is achieved with the host computer. Serial communication is carried out in the communication between the host computer and the extension. In addition, we have developed the corresponding monitoring and debugging software with Visual C++ 6.0 also. The practice shows that the system has successfully realized the empoldering of the TCU(Transmission Control Unit) with great efficiency.
