Title:
デジタル制御装置およびプログラム
Document Type and Number:
Japanese Patent JP4114871
Kind Code:
B2
Abstract:
A digital control device for tracking a sine wave according to the present invention has a compensator, a control object and a feedback gain. An input into the compensator is a signal obtained by subtracting a control quantity from a reference value. An input into the control object is a signal obtained by subtracting an output of the feedback gain from an output of the compensator. A transfer function of the compensator is (k2z+k1)/(z2-2z cos omegaT+1), where omega is an angular frequency, T is a sampling period, z is a z operator, and k1 and k2 are constants. Thus, a second-order compensator can be configured, with which a sinusoidal reference waveform can be tracked simply and with high accuracy.
Inventors:
Kato Ritsuji
Application Number:
JP2003575197A
Publication Date:
July 09, 2008
Filing Date:
March 05, 2003
Export Citation:
Assignee:
Kato Ritsuji
International Classes:
G05B11/36; G05B21/02
Domestic Patent References:
| JP61244106A |
Attorney, Agent or Firm:
Hidekazu Tanikawa