Control system for plant and internal combustion engine

Details Control system for plant and internal combustion engine Control system for plant and internal combustion engine

2005-11-01

2008-08-05

Vo, Hieu T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C700S029000, C700S052000

Reexamination Certificate

active

07409283

ABSTRACT:
There is provided a control system for a plant and an internal combustion engine, which is capable of enhancing controllability and control accuracy in controlling a plurality of control amounts while eliminating a mutual interaction existing between a plurality of control inputs and the control amounts. The control system1for the plant90in which a mutual interaction exists between TH_cmd and Liftin_cmd as control inputs and PB and Gcyl as control amounts calculates the two control inputs TH_cmd and Liftin_cmd as two non-interacting inputs for causing PB and Gcyl to follow target values PB_cmd and Gcyl_cmd, respectively, the two control inputs TH_cmd and Liftin_cmd eliminating the mutual interaction, with a predetermined algorithm in which a predetermined response-specifying control algorithm (equations (2) to (8)) and a predetermined non-interacting control algorithm (equation (9)) are combined based on a plant model (equation (20)) formed by modeling the plant90into a discrete-time system model.

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