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Intelligent Control of Metal-belt CVT Based on Fuzzy Logic
Technical Paper
2009-01-1535
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Operating level of a metal-belt CVT mainly rest with the ECU. Conventional control strategies which were obtained from tests or PID controller can not correspond to the driver’s intention or provide various driving environments. It is considered that control targets of metal-belt CVT could be distinguished by a speed ratio, line pressure and starting element till now. Running performance of automobile with a CVT mainly depends on the speed ratio control. An adapted fuzzy logic ratio control algorithm is suggested and optimized. A throttle position and its changing rate will be inputs of the FLC to meet the driver’s intention and make the intelligent control come true. A fuzzy logic line pressure control algorithm is also suggested and optimized corresponding to the complicated high line pressure control.
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Xuexun, G., Qi, S., and Chang, F., "Intelligent Control of Metal-belt CVT Based on Fuzzy Logic," SAE Technical Paper 2009-01-1535, 2009, https://doi.org/10.4271/2009-01-1535.Also In
References
- Chaofeng Hu “Study on Virtual Test Platform of CVT Real-time Control” 2006
- Heera, L. Chulsoo, K. Talchol, K. “CVT Ratio Algorithm by Considering Powertrain Response Lag” SAE Paper 2004-01-1636 2004
- Talcheol, K. Hyunsoo, K. “Ratio Control of Metal Belt CVT” SAE Paper 2000-01-0842 2000