Volume 37 Issue 8
Aug.  2018
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An Hui, Du Xiangdang. Analysis of Influence of Rod Length Error on Position Accuracy of Underwater Extended Mechanism[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(8): 1156-1160. doi: 10.13433/j.cnki.1003-8728.20180048
Citation: An Hui, Du Xiangdang. Analysis of Influence of Rod Length Error on Position Accuracy of Underwater Extended Mechanism[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(8): 1156-1160. doi: 10.13433/j.cnki.1003-8728.20180048

Analysis of Influence of Rod Length Error on Position Accuracy of Underwater Extended Mechanism

doi: 10.13433/j.cnki.1003-8728.20180048
  • Received Date: 2017-05-02
  • Publish Date: 2018-08-05
  • On account of the manufacturing error of rod length, the expansion mechanism of underwater detection array will produce the position error during extended movement, which leads to the track tracing deviation of transducers and hence affects the detection performance. A underwater expansion mechanism based on the closed-vector method and the principle of independent error function is studied. A position accuracy analysis model for submarine extension mechanism with rod-length error is established. Meanwhile, the effect ofthe eight rod errors and input angles on the position error of underwater expansion mechanism in the process of actual expansion is also studied. A mechanism kinematics analysis method in rod length error is proposed, which makes transducer trace the movement trail in a different ways on different manufacturing accuracy.
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