| 发明名称 |
CONTROLLER, CONTROL METHOD, AND CONTROL PROGRAM |
| 摘要 |
A controller having an auto-tuning function has a manipulated value determination unit that selectively determines a first manipulated value for causing a first change in a controlled value of a controlled object or a second manipulated value for causing a second change opposite to the first change in the controlled value, in accordance with a preset parameter, so that a process value obtained from the controlled object follows a target value, and a tuning unit that alternately outputs the first manipulated value and the second manipulated value in accordance with the process value, and that determines the parameter from a response characteristic obtained through the alternate output. The tuning unit successively changes a magnitude of the first manipulated value each time output is switched during the alternate output of the first manipulated value and the second manipulated value. |
| 申请公布号 |
US2015309482(A1) |
申请公布日期 |
2015.10.29 |
| 申请号 |
US201314646993 |
申请日期 |
2013.11.11 |
| 申请人 |
OMRON CORPORATION |
发明人 |
Iwami Taro;Tsutsumi Yumi |
| 分类号 |
G05B11/42;G05D23/19 |
主分类号 |
G05B11/42 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A controller having an auto-tuning function, comprising:
a manipulated value determination unit that selectively determines a first manipulated value for causing a first change in a controlled value of a controlled object or a second manipulated value for causing a second change opposite to the first change in the controlled value, in accordance with a preset parameter, so that a process value obtained from the controlled object follows a target value; and a tuning unit that alternately outputs the first manipulated value and the second manipulated value in accordance with the process value, and that determines the parameter from a response characteristic obtained through the alternate output, wherein the tuning unit successively changes a magnitude of the first manipulated value each time output is switched during the alternate output of the first manipulated value and the second manipulated value, and wherein the tuning unit determines the parameter from a response characteristic obtained when determined that the first change in the controlled value to the first manipulated value has linearity. |
| 地址 |
Kyoto-shi, Kyoto JP |
