Title:
SAMPLE VALUE CONTROLLER
Document Type and Number:
Japanese Patent JPS63148309
Kind Code:
A
Abstract:
PURPOSE:To arbitrarily set the proportional gain of a sample value PI controller independently of the integral operating time by providing two sampling mechanisms. CONSTITUTION:If a deviation (e) occurs as shown in a figure (A) at a timing t0 when sample switches 21 and 22 are turned on synchronously, an operation output MV is generated. That is, an operation output MV1 (shown by a dotted line) obtained by subjecting the deviation (e) to integral operation for a turning-on time tau1 and an operation output MV2 (shown by another dotted line) obtained by subjecting the deviation (e) to the proportional operation for a turning-on time tau2 are added to obtain the operation output MV shown by a continuous line. Since the time tau2 is set to set the pulse width of the operation output MV2 independently of the time tau1, only the proportion gain is independently set.
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Inventors:
YAMAMOTO SHIGEHIKO
Application Number:
JP29584386A
Publication Date:
June 21, 1988
Filing Date:
December 12, 1986
Export Citation:
Assignee:
YOKOGAWA ELECTRIC CORP
International Classes:
G05B21/02; (IPC1-7): G05B21/02
Domestic Patent References:
| JPS50154683A | 1975-12-12 |
Attorney, Agent or Firm:
Shinsuke Ozawa