The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 30, 2021

Filed:

Dec. 21, 2018
Applicant:

Positec Power Tools (Suzhou) Co., Ltd., Jiangsu, CN;

Inventors:

Zhen Li, Suzhou, CN;

Chuanbing Zhang, Suzhou, CN;

Dekang Wan, Suzhou, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/18 (2006.01); B23B 45/02 (2006.01); G05B 13/04 (2006.01); B25B 23/147 (2006.01);
U.S. Cl.
CPC ...
G05B 19/182 (2013.01); B23B 45/02 (2013.01); B25B 23/147 (2013.01); G05B 13/04 (2013.01);
Abstract

The present invention provides a control method and apparatus for an electric tool, and further provides an electronic tool, which relates to the field of automatic control of electric tools. The method comprises: Obtaining parameters characterizing an output shaft load during a running process of an electric tool; calculating the average values of the parameters characterizing an output shaft load according to a composite average algorithm, wherein the composite average algorithm comprises a combination of at least two average algorithms; calculating slope values of the parameters characterizing the output shaft load according to the average values of the parameters characterizing the output shaft load; and interrupting torque output of the electric tool according to the slope values of the parameters characterizing the output shaft load.


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