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Temperature compensation method of six-dimensional force sensor

A six-dimensional force sensor and temperature compensation technology, applied in the sensor field, can solve the problems of cumbersome compensation process, limited accuracy of hardware temperature compensation method, and high debugging cost, achieve simple implementation, improve learning ability and generalization ability, and optimize fast effect

Active Publication Date: 2022-07-12
ZHEJIANG UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to provide a temperature compensation method for a six-dimensional force sensor to solve the technical problems in the prior art that the accuracy of the hardware temperature compensation method is limited; the compensation process is cumbersome and the debugging cost is high

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  • Temperature compensation method of six-dimensional force sensor
  • Temperature compensation method of six-dimensional force sensor
  • Temperature compensation method of six-dimensional force sensor

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Embodiment Construction

[0041]The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have...

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Abstract

The invention provides a temperature compensation method for a six-dimensional force sensor, which relates to the technical field of sensors. The temperature compensation method of the six-dimensional force sensor includes: collecting the input signal and output signal of the six-dimensional force sensor at different temperatures; determining the structural parameters of the BP neural network; optimizing the connection weight of each network layer of the BP neural network by using the improved beetle algorithm. value and threshold; using the optimized neural network prediction model to perform temperature compensation on the output of the six-dimensional force sensor. The technical problems in the prior art that the accuracy of the hardware temperature compensation method is limited, the compensation process is cumbersome, and the debugging cost are high are solved. The invention uses the BP neural network to model the temperature compensation process, and uses the global optimization ability of the improved long beetle algorithm to optimize the structure and parameters of the neural network model.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a temperature compensation method for a six-dimensional force sensor optimized by using an improved long beetle algorithm to optimize a BP neural network. Background technique [0002] A six-dimensional force sensor is a sensor that measures forces and moments in three directions: X, Y, and Z. The six-dimensional force sensor is divided into strain type, capacitive type, piezoelectric type, photoelectric type and piezoresistive type according to the measurement principle. Among them, the resistive six-dimensional force sensor is the earliest developed, the most mature technology and the most widely used type. The resistance strain six-dimensional force sensor refers to a sensor that obtains force and torque information by measuring the resistance change generated by the strain gauge attached to the elastic body by using the action of force and moment. In the resistance strain t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/1627G06N3/04G06N3/08
CPCG01L5/1627G06N3/084G06N3/045
Inventor 胡松钰叶江浩傅建中
Owner ZHEJIANG UNIV
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