A space-assisted motion mechanism, error compensation system and method
By designing a space assisted motion mechanism to connect it with the joint arm coordinate measuring machine, and using an inertial force error compensation system and RBF neural network for error compensation, the problems of insufficient spatial representation and low position accuracy of the joint arm coordinate measuring machine are solved, and high-precision single-point measurement is achieved.
CN111618851BActive Publication Date: 2025-04-04KUNMING UNIV OF SCI & TECH
3 Cites 0 Cited by
Patent Information
- Application Number
- CN202010409102.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-05-14
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2040-05-14
AI Technical Summary
Technical Problem
Commercial joint arm coordinate measuring machines cannot modify controller parameters, and the space representativeness is insufficient when collecting data, resulting in low position accuracy.
Method used
A space-assisted motion mechanism is designed to connect to the joint arm coordinate measuring machine, and the joint angle and end position coordinates of the joint arm coordinate measuring machine are adjusted through the space-assisted motion mechanism, and an inertial force error compensation system and RBF neural network are used for error compensation.
Benefits of technology
The single point repeat accuracy of the joint arm coordinate measuring machine is improved, and the measurement accuracy is improved without modifying the internal structural parameters.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention discloses a space-assisted motion mechanism, an error compensation system and a method. The space-assisted motion mechanism in the present invention can be effectively connected to an articulated arm coordinate measuring machine and provide a platform for spatial point acquisition for the articulated arm coordinate measuring machine; the articulated arm coordinate measuring machine inertial force error compensation system provided by the present invention can effectively acquire the joint angle of the articulated arm coordinate measuring machine and the end position coordinates of the articulated arm coordinate measuring machine through the auxiliary motion of the space-assisted motion mechanism and transmit them to a computer, and further integrate the compensation method of the present invention to obtain the compensated end coordinates, realize the inertial force error compensation of the articulated arm coordinate measuring machine, and improve the single-point repeatability accuracy of the articulated arm coordinate measuring machine without changing the internal structural parameters of the articulated arm coordinate measuring machine.
Need to check novelty before this filing date? Find Prior Art