Title:
CONTROL SYSTEM AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2018/214797
Kind Code:
A1
Abstract:
A control method and a control system (2), by which a motor (31) can be controlled. The control system (2) comprises a central processing module (22) and a drive control module (23). In a period in which a voltage is not applied to any phase coil of the motor (31), the drive control module (23) collects voltages of the coil to which the voltage is not applied, and converts the voltages of the coil into digital signals. The central processing module (22) reads the digital signals and determines whether the running speed of the motor (31) is consistent with a preset speed depending on whether an average value of the digital signals falls within a preset threshold range, which helps to improve the control precision.
Inventors:
JIANG XIAOJUN (CN)
YANG LIKUN (CN)
STANKE EDWIN J (CN)
XIE JINLAN (CN)
YANG LIKUN (CN)
STANKE EDWIN J (CN)
XIE JINLAN (CN)
Application Number:
PCT/CN2018/087244
Publication Date:
November 29, 2018
Filing Date:
May 17, 2018
Export Citation:
Assignee:
HANGZHOU SANHUA RES INST CO LTD (CN)
International Classes:
H02P23/00; H02P29/10
Foreign References:
| US9337769B2 | 2016-05-10 | |||
| CN106291058A | 2017-01-04 | |||
| CN103516281A | 2014-01-15 | |||
| CN105743399A | 2016-07-06 | |||
| US20170126153A1 | 2017-05-04 | |||
| CN201710371690A | 2017-05-24 |
Other References:
See also references of EP 3633848A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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