Devices for controlling plant, clutch slip, and idling engine sp

Details Devices for controlling plant, clutch slip, and idling engine sp Devices for controlling plant, clutch slip, and idling engine sp

1997-09-29

1999-01-12

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Idle speed control

364150, 364157, 477176, 701 68, F02D 4116, F16D 4812, G05B 1304

Patent

active

058574433

ABSTRACT:
The present invention realizes high-speed and stable controls irrespective of the characteristic perturbations accompanied with the variation in operation point of a plant. The principle of the invention is applied to slip control of a lock-up clutch of a transmission and to idling engine speed control. A plant input calculation unit OC working as a controller recognizes an actual plant plus a characteristic compensator CC as an augmented plant EOB. The characteristic compensator CC compensates for the characteristic perturbations of the augmented plant EOB accompanied with the variation in operation point, so that the augmented plant EOB always works at a design point with respect to the plant input calculation unit OC working as the controller. The characteristic compensator CC compensates for frequency-dependent gain and phase deviations through filter operations and for a stationary gain deviation by multiplying predetermined constants.

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