Error Precompensation Algorithm and Experiment for Dual-drive Synchronous Control System

Lu Hong; Ma Fangning; Fan Wei; Liu Qi; Xu Yifan

doi:10.13433/j.cnki.1003-8728.20180233

Volume 38 Issue 5

May 2019

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Article Navigation > Mechanical Science and Technology for Aerospace Engineering > 2019 > 38(5): 684-690

Lu Hong, Ma Fangning, Fan Wei, Liu Qi, Xu Yifan. Error Precompensation Algorithm and Experiment for Dual-drive Synchronous Control System[J]. Mechanical Science and Technology for Aerospace Engineering, 2019, 38(5): 684-690. doi: 10.13433/j.cnki.1003-8728.20180233

Citation:

Lu Hong, Ma Fangning, Fan Wei, Liu Qi, Xu Yifan. Error Precompensation Algorithm and Experiment for Dual-drive Synchronous Control System[J]. Mechanical Science and Technology for Aerospace Engineering, 2019, 38(5): 684-690. doi: 10.13433/j.cnki.1003-8728.20180233

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Error Precompensation Algorithm and Experiment for Dual-drive Synchronous Control System

doi: 10.13433/j.cnki.1003-8728.20180233

School of Mechanical and Electronic Engineering, Wuhan University of Technology, Wuhan 430070, China

Received Date: 2018-05-24
Publish Date: 2019-05-05

Abstract

Abstract

For the synchronous control problems in dual-drive feeding system, a new error compensation algorithm was designed in this paper. First, a dynamical model of double-nut ball screw system was established according to the joint stiffness of twin-screw. Then detection results of dual-drive feed synchronization error at different feed rates and displacements were used to get multiple linear regression models of dual-drive synchronization error, and further establishing dual-drive synchronous control error pre-compensation model by dynamic model and multiple linear regression models. Dual-drive feed experiments were made by self-developed dual-drive experimental platform. The impacts on dual-drive speed accuracy and synchronization accuracy of the traditional virtual spindle synchronization control method, master-slave synchronization control method and dual-drive synchronous control method with error pre-compensation were compared. Results show that the dual-drive synchronous feeding control method with error pre-compensation has the advantages of high synchronization, high running precision and good stability.
- dual-drive feeding system,
- ball screw,
- error compensation algorithm,
- virtual spindle,
- synchronous control,
- experiments

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References(15)

References

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