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:
Jun. 16, 2026

Filed:

Dec. 16, 2023
Applicant:

Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, CN;

Inventors:

Qingying Chen, Ningbo, CN;

Guilin Yang, Ningbo, CN;

Junjie Dai, Ningbo, CN;

Chi Zhang, Ningbo, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 25/06 (2016.01); G01L 5/00 (2006.01); H02K 11/20 (2016.01); H02K 41/02 (2006.01);
U.S. Cl.
CPC ...
H02P 25/06 (2013.01); G01L 5/0061 (2013.01); H02K 11/20 (2016.01); H02K 41/02 (2013.01);
Abstract

A linear drive and a method for correcting a systematic error of the linear drive are provided. The linear drive includes a fixed assembly, a movable assembly, a first force sensor and a second force sensor. The movable assembly is movably connected to one end of the fixed assembly, and the movable assembly capable of being movable in a direction towards or away from the fixed assembly. The first force sensor is disposed at one end of the fixed assembly away from the movable assembly and configured for detecting a force acting on the first force sensor from the fixed assembly towards the movable assembly. The second force sensor is disposed at one end of the movable assembly away from the fixed assembly and configured for detecting a force acting on the second force sensor from the movable assembly toward the fixed assembly.


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