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Accurate Engine Speed Control Using Sliding Mode Algorithm

Article of Honda R&D Technical Review Vol.16 No.2

Summary

Accurate engine speed control has been required to improve the shift quality of automatic transmissions. However, engine dynamics dramatically change with engine load and with the aging of the engine. Therefore, conventional controls such as PID control cause large overshoots and can not ensure accurate controllability. A control composed of a sliding-mode controller and an adaptive disturbance observer was therefore designed and applied to engine speed control. The new control had high robustness against changes in engine dynamics and excellent ability to suppress overshoot. In addition, it provided accurate and rapid engine speed control under all engine conditions.

Reference

(1) Nonami, K., Tian, H.: Sliding Mode Control, Corona Publishing Co., Ltd., p. 263 (1994)
(2) Yasui, Y., Akazaki, S., Ueno, M., Iwaki, Y.: Secondary O2 Feedback Using Prediction and Identification Sliding Mode Control, SAE Paper 2000-01-0936 (2000)
(3) Kajitani, M., Nonami, K.: High Performance Idle Speed Control Applying the Sliding Mode Control With H Robust Hyperplane, SAE Paper 2001-01-0263 (2001)
(4) Hashimoto, E., Ishiguro, T., Yasui, Y., Akazaki, S.: High Reliability Electronic Throttle System , SAE Paper 2003-01-0708 (2003)
(5) Adachi, S.: Yuza no Tame no Shisutemu Doutei Riron, Corona Publishing Co., Ltd., p. 222 (1993) (in Japanese)
(6) Terao, M., Kanai, K.: Robasuto Tekiou Seigyo Nyumon, Ohm Publishing Co., Ltd., p. 187(1989) (in Japanese)

Author (organization or company)

Yuji YASUI(Tochigi R&D Center)、Kanako SHIMOJO(Tochigi R&D Center)、Hiroshi TAMAGAWA(Tochigi R&D Center)、Mitsunobu SAITO(Tochigi R&D Center)

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