B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
B60K 6/543 (2007.10) B60W 10/06 (2006.01) B60W 10/10 (2006.01) F16H 59/22 (2006.01) F16H 59/44 (2006.01) F16H 61/662 (2006.01)
Patent
CA 2313632
An electrical control unit ECU controls a shift thrust Ft applied to a variable width drive pulley 11 through a control valve CV and makes the rotational speed Ne of the engine follow a target engine rotational speed Neo to vary the speed change ratio of a continuously variable transmission CVT. In this control, the shift thrust Ft is achieved as sum of a proportional term P and an integral term I, where the proportional term P is determined on the basis of the deviation DNe of the engine rotational speed Ne from the target engine rotational speed Neo, and the integral term I is determined as cumulative sum of the deviation. When the throttle of the engine is closed, the integral term is set larger than when the throttle is open.
Goudreau Gage Dubuc
Honda Giken Kogyo Kabushiki Kaisha
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