Influence of Motor Rotor Vibration on Detection Performance of Pulsed Laser Circular-Viewing Detection System

Xiaobin Xu; Yi Chen; Yuanwei Li; Yingying Ran; Zhiying Tan; Minzhou Luo

doi:10.3788/LOP202259.0712001

Laser & Optoelectronics Progress, Volume. 59, Issue 7, 0712001(2022)

Influence of Motor Rotor Vibration on Detection Performance of Pulsed Laser Circular-Viewing Detection System

Xiaobin Xu^1,2,3,4、*, Yi Chen^1,2, Yuanwei Li^1,2, Yingying Ran^1,2, Zhiying Tan^1,2, and Minzhou Luo^1,2

Author Affiliations

¹College of Mechanical & Electrical Engineering, Hohai University, Changzhou , Jiangsu 213022, China

²Jiangsu Key Laboratory of Special Robot Technology, Hohai University, Changzhou , Jiangsu 213022, China

³College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing , Jiangsu 210016, China

⁴Changzhou Changgong Electronic Technology Co., Ltd., Changzhou , Jiangsu 213001, China

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Figures & Tables(9)

Fig. 1. Pulse laser circumferential detection system

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Fig. 2. Schematic diagram of total reflection plane mirror torque

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Fig. 3. Bending model

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Fig. 4. Pulse laser circumferential detection system coordinate system

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Fig. 5. Echo signal of pulsed laser circumferential detection system: (a) Echo waveform; (b) relationship between echo peak power and rotating speed

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Fig. 6. Imaging point positions at different rotating speeds. (a) 10000 r/min; (b) 20000 r/min; (c) 30000 r/min; (d) 40000 r/min

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Fig. 7. Projection results of space imaging points in plane mirrors at different rotating speeds

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Table 1. Unbalanced centrifugal torque of shaft at different rotating speeds
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Table 1. Unbalanced centrifugal torque of shaft at different rotating speeds
Rotating speed $ω$ （r⋅min^-1） Moment of force M /（ $N \cdot m$ ）
10000 -4.3×10^-2
20000 -1.7×10^-1
30000 -3.7×10^-1
40000 -6.7×10^-1

Table 2. Maximum vibration displacement corresponding to different rotating speeds
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Table 2. Maximum vibration displacement corresponding to different rotating speeds
Rotating speed $ω$ /（ $r \cdot m i n^{- 1}$ ） Corner $θ_{B}$ /rad Deflection $w_{B}$ /mm
10000 9.8×10^-4 7.5×10^-2
20000 3.5×10^-3 2.3×10^-1
30000 7.5×10^-3 4.9×10^-1
40000 1.3×10^-2 8.8×10^-1

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Xiaobin Xu, Yi Chen, Yuanwei Li, Yingying Ran, Zhiying Tan, Minzhou Luo. Influence of Motor Rotor Vibration on Detection Performance of Pulsed Laser Circular-Viewing Detection System[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0712001

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