Compensation method for temperature drift of robot wrist force sensor

A technology of temperature drift and compensation method, applied in the field of sensor compensation, can solve problems such as slow convergence speed, and achieve the effect of good curve linearity
CN104776947AInactive Publication Date: 2015-07-15袁川来
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
袁川来
Publication Date
2015-07-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a compensation method for temperature drift of a robot wrist force sensor. An ARX (automatic retransmission exchange) model is applied to dynamic description of a PLS inner model to represent dynamic characteristics of a system, and an ARX-PLS model is established; limited discrete points are selected to correct the wrist force sensor, and compensation coefficients at various temperatures are obtained with adoption of the ARX-PLS model. The defect of low convergence rate of a principal component analysis method in temperature compensation of the wrist force sensor is effectively overcome, and the compensation effect is more real.
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Description

technical field

[0001] The invention belongs to the technical field of sensor compensation, in particular to a compensation method and system for temperature drift of a robot wrist force sensor. Background technique

[0002] With the rapid development of modern detection technology, piezoresistive wrist force sensors are more and more widely used in industrial production practice. The modern scientific and technological revolution in the 21st century is coming, and sensor technology has attracted extensive and high attention from the electronic information industry at home and abroad. It can even be said that the technical level of sensors is one of the important criteria to measure the level of a country's scientific and technological level.

[0003] In recent years, the compensation technology of foreign wrist force sensors has developed rapidly, and the development direction is dedicated to intelligence, miniaturization, integration and digitization. In order to correct...

Claims

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