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Title:
MOTOR STALLING PROTECTION CONTROL METHOD AND APPARATUS, ELECTRIC MILLING MACHINE, DEVICE, MEDIUM, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/040216
Kind Code:
A1
Abstract:
Provided are a motor stalling protection control method and apparatus, an electric milling machine, an electronic device, a computer-readable storage medium, and a computer program product. The method comprises: determining whether a milling motor is in a stalled state, and if the milling motor is in the stalled state, proceeding to the next step; and enabling a motor stalling operating condition mode, the motor stalling operating condition mode comprising a first motor stalling operating condition mode, wherein the first motor stalling operating condition mode comprises: increasing an output torque of the milling motor; controlling the milling motor to run at the first torque, controlling a switch module of the milling motor to run at a first switch frequency and a first power supply phase, continuously acquiring the current rotating speed of the milling motor during this period, and if the current rotating speed of the milling motor is greater than or equal to a set rotating speed, exiting the first motor stalling operating condition mode, otherwise, exiting the first motor stalling operating condition mode after running for a first control duration. By means of the provided method and apparatus, electric milling machine, electronic device, computer-readable storage medium and computer program product, the efficiency of processing a motor stalling fault is improved, and a motor stalling protection effect is improved.

Inventors:
XIA YIFAN (CN)
CHEN RI (CN)
MA JIAN (CN)
Application Number:
PCT/CN2022/080583
Publication Date:
March 23, 2023
Filing Date:
March 14, 2022
Export Citation:
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Assignee:
HUNAN SANY ZHONGYI MACHINERY CO LTD (CN)
International Classes:
H02P29/024; E01C23/088; H02H7/08; H02H7/085; H02P29/028; H02P29/032
Foreign References:
CN113872494A2021-12-31
CN113246716A2021-08-13
CN111030557A2020-04-17
CN110932235A2020-03-27
US4322668A1982-03-30
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM (CN)
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