Title:
Closed-loop stepper motor control system, drive device and automation device.
Document Type and Number:
WIPO Patent Application WO/2020/057507
Kind Code:
A1
Abstract:
A closed-loop stepper motor control system, drive device and automation device, wherein the system comprises a microprocessor (1) compatible with EtherCAT communication protocol functions, an external interface circuit (2) connected to the said microprocessor (1) and communication interface unit (3); the said microprocessor (1) is also connected to a drive circuit (4), current testing circuit (5), as well as an encoder feedback circuit (6); the said communication interface unit (3) is mutually connected to the said microprocessor (1) through the physical layer communication circuit (31); the said microprocessor (1) is also mutually connected to the power supply circuit (7) that provides stable power supply voltage.
Inventors:
LI WEIPING (CN)
LIN JIANHUA (CN)
ZHU ZHOUYONG (CN)
TIAN TIANSHENG (CN)
HE WEILI (CN)
LIN JIANHUA (CN)
ZHU ZHOUYONG (CN)
TIAN TIANSHENG (CN)
HE WEILI (CN)
Application Number:
PCT/CN2019/106205
Publication Date:
March 26, 2020
Filing Date:
September 17, 2019
Export Citation:
Assignee:
CHINALEADSHINE TECH CO LTD (CN)
International Classes:
H02P8/00; H02M1/44
Foreign References:
| CN208874488U | 2019-05-17 | |||
| CN202231660U | 2012-05-23 | |||
| CN107317529A | 2017-11-03 | |||
| CN205105136U | 2016-03-23 |
Attorney, Agent or Firm:
DHC IP ATTORNEYS (CN)
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