US 6,188,953 B1Granted

Plant control system

AssigneeHonda Giken Kogyo Kabushiki Kaisha

InventorsYuji Yasui, Shusuke Akazaki, Yoshihisa Iwaki

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Abstract

A plant control system has an actuator for generating an input to the plant, a first sensor for detecting an output from the plant, a manipulated variable determining unit for sequentially determining a manipulated variable which determines the input to the plant to equalize the output from the first sensor to a predetermined target value, an actuator controller for controlling operation of the actuator based on the manipulated variable determined by the manipulated variable determining unit, and an estimator for sequentially generating data representing an estimated value of the output from the first sensor after a total dead time which is the sum of a first dead time of the plant and a second dead time of a system which comprises the actuator and the actuator controller. The manipulated variable determining unit determines the manipulated variable based on the data generated by the estimator.

Claims21

Dependent claims

A plant control system for controlling a plant, comprising:

an actuator for generating an input to the plant;
first detecting means for detecting an output from the plant;
manipulated variable determining means for sequentially determining a manipulated variable which determines the input to the plant to equalize the output from said first detecting means to a predetermined target value;
actuator control means for controlling operation of said actuator based on the manipulated variable determined by said manipulated variable determining means;
and
estimating means for sequentially generating data representing an estimated value of the output from said first detecting means after a total dead time which is the sum of a first dead time of said plant and a second dead time of a system which comprises said actuator and said actuator control means;
said manipulated variable determining means comprising means for determining said manipulated variable based on the data generated by said estimating means.

4 more elements

Dependencies are inferred from the claim text.