Browse Publications Technical Papers 2003-01-0708

High Reliability Electronic Throttle System Design 2003-01-0708

Electronic throttle control has been receiving increased attention lately as a technique for attaining highly accurate idling air control and improving emissions. To accomplish these goals, it is necessary to achieve greater robustness in control performance, and to compensate for the production variability of individual units and degradation of parts over time. Up to now, it has been difficult for PID control systems to recognize uncertain disturbances, and this has been an impediment to achieving balance between robustness and responsiveness. To attain robustness, an adaptive control system has been constructed which utilizes sliding mode control and includes an identifier to perform sequential calculations. This technology has realized previously unattainable levels of robustness, accuracy, and responsiveness in an electronic throttle control system.


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