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Title:
ACTUATOR CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2013/099900
Kind Code:
A1
Abstract:
Provided is an actuator control apparatus, wherein the output of an actuator is made to follow an instruction input from an upper-level control unit with good precision. In a motor control apparatus (100), a microcomputer (10) sets an upper-level target rotational speed for a brushless DC motor (50). In order to make the actual rotational speed of the brushless DC motor (50) follow the upper-level target rotational speed, an intermediate control unit (30) generates, before inputting the upper-level target rotational speed into an instruction input element (21) of a rotational speed control circuit (20), a pseudo upper-level rotational speed that is obtained as a result of increasing/decreasing the upper-level target rotational speed, and inputs the pseudo upper-level rotational speed into the instruction input element (21). The instruction input element (21) outputs, upon receiving the pseudo upper-level rotational speed input, a lower-level target rotational speed that has a different value from the pseudo upper-level target rotational speed. An actuator control element (22) controls, upon receiving the lower-level target rotational speed input, the brushless DC motor (50) with PI control. A following element (23) makes the actual rotational speed of the brushless DC motor (50) follow the lower-level target rotational speed.

Inventors:
SATO TOSHIAKI
YAGI SATOSHI
Application Number:
PCT/JP2012/083567
Publication Date:
July 04, 2013
Filing Date:
December 26, 2012
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
H02P29/00
Foreign References:
JP2009077524A2009-04-09
JPS5899279A1983-06-13
JPS5899279A1983-06-13
Other References:
See also references of EP 2797222A4
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
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