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Strain type six-dimensional force sensor

A six-dimensional force sensor and strain type technology, applied in the field of measurement and control, can solve the problems of coupling between sensitivity and stiffness contradictions, affecting the test accuracy of sensors, etc., and achieve the effects of reducing inter-dimensional interference, simple structure, and easy processing

Inactive Publication Date: 2020-05-26
ANHUI AGRICULTURAL UNIVERSITY
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  • Description
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AI Technical Summary

Problems solved by technology

The problems in the design of this structure are mainly manifested in the contradiction between sensitivity and stiffness and inter-dimensional coupling, which seriously affects the test accuracy of the sensor.

Method used

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  • Strain type six-dimensional force sensor
  • Strain type six-dimensional force sensor
  • Strain type six-dimensional force sensor

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Experimental program
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Effect test

Embodiment Construction

[0062] In this embodiment, a strain-type six-dimensional force sensor includes: an integrated elastic body and several resistance strain gauges;

[0063] Such as figure 1 As shown, the integrated elastic body includes an outer ring member 1, an inner ring member 2 and a deformation beam 3;

[0064] The outer ring member 1 is installed on the rim adapter through bolts; the inner ring member 2 is installed on the hub through bolts; deformation beams 3 are evenly distributed along the circumferential direction between the outer ring member 1 and the inner ring member 2;

[0065] Among them, the integrated elastic body is installed on the wheel, and it will be deformed under the action of the six-dimensional force, so that the resistance value of the resistance strain gauge pasted on the elastic body changes, and the bridge circuit converts the resistance change into a corresponding The signal of the differential voltage change can be processed to obtain the six-dimensional force...

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Abstract

The invention discloses a strain type six-dimensional force sensor. The strain type six-dimensional force sensor comprises an integrated elastomer and a plurality of resistance strain gauges, the integrated elastomer comprises an outer ring component, an inner ring component and a deformation beam, resistance strain gauges are placed on the left side face and the right side face of a deformation beam and used for measuring longitudinal force Fx vertical force Fz and a rolling resistance moment My in the six-dimensional force. Radial grooves are formed in the front face and the back face of thedeformation beam respectively and used for containing resistance strain gauges, and therefore the lateral force Fy, the heeling moment Mx and the aligning moment Mz in the six-dimensional force are measured. According to the invention, the inter-dimensional coupling degree of each channel can be reduced, so that the measurement precision of the six-dimensional force sensor is improved.

Description

technical field [0001] The invention belongs to the technical field of measurement and control, in particular to a strain-type six-dimensional force sensor and a decoupling method for detecting the six-dimensional force of tires. Background technique [0002] Vehicle motion control mainly focuses on the tire force information at the contact position between the tire and the ground, so the measurement of tire force is of great significance to improve the quality of vehicle dynamics stability control. Specifically, as long as the tire is subjected to vertical force, lateral force, longitudinal force, rolling moment, rolling resistance moment, and righting moment during driving, the most direct and effective method for measuring these forces is to use a six-dimensional force sensor . In the six-dimensional force sensor, the elastomer structure is the main factor affecting the performance of the sensor. According to the structural form of the elastomer, the elastomer can be di...

Claims

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Application Information

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IPC IPC(8): G01L5/161
CPCG01L5/161
Inventor 陶亮张小龙江旺刘莉朱官宝戴鹏程李飞田志法
Owner ANHUI AGRICULTURAL UNIVERSITY
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