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An Accurate Identification Method of the Position of a Broken Tooth in the Joint Steering Gear of Service Robot by Zhaoyao Shi; Pan Zhang; Huijun Yue; Jinyu Lin; Hongyu Ding is a Engineering article available to read on EtoBox.

What is An Accurate Identification Method of the Position of a Broken Tooth in the Joint Steering Gear of Service Robot about?

The gearbox of the small joint steering gear of a service robot is characterized by a compact structure, a large reduction ratio, and a special manufacturing and assembling technology. However, when a tooth in the gear is broken, the gear transmission can be still maintained, so it is difficult to identify the broken tooth accurately. In order to provide a theoretical basis for the identification of a broken tooth in the study, the influence of gear tooth fracture on the time-varying meshing stiffness in the transmission process was firstly analyzed theoretically and its influencing mechanisms on the time domain and frequency domain characteristics of transmission error (TE) were further analyzed. Then, the TE measurement test bench of the joint steering gear was designed. The signal-to-noise ratios and root-mean-square errors of the TE data processed by wavelet noise reduction, Kalman filtering and combined wavelet-Kalman filtering algorithms were compared and analyzed. The analysis results showed that the joint algorithm had the best performance. Next, the TE data measured under multiple working conditions were processed with the joint filtering algorithm to obtain the time domai

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Author

Zhaoyao Shi; Pan Zhang; Huijun Yue; Jinyu Lin; Hongyu Ding

Publisher

SAGE Publications

Published

2022

Language

EN

Field

Engineering (Physical Sciences)