Plant control system

Power plants – Internal combustion engine with treatment or handling of... – Having means analyzing composition of exhaust gas

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Details

60285, 123674, 123679, 701103, 36414801, 36414809, F01N 300

Patent

active

060820993

ABSTRACT:
A plant control system for controlling a plant includes an actuator for generating an input to the plant and a first detector for detecting an output from the plant. A manipulated variable determining unit determines a manipulated variable which determines the input to the plant according to a sliding mode control process such that an output from the first detector will be equalized to a predetermined target value. The manipulated variable determining unit determines the manipulated variable to converge a plurality of state quantities, which comprise differences between a plurality of present and previous time-series data of the output of the first detector and the target value, onto a balanced point on a hyperplane for the sliding mode control process, which is defined by a linear function having variables represented respectively by the state quantities.

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"Engine Throttle Control Using Anticipatory Band in the Sliding Phase Plane", Lee et al, Proceedings of the American Control Conference, vol. 2, Jun. 2, 1993, pp. 1768-1772.

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