• Optics and Precision Engineering
  • Vol. 31, Issue 3, 331 (2023)
Baoyu LI, Ning CHEN*, Yukang CHEN, Xin XIE, and Dapeng FAN
Author Affiliations
  • College of Intelligence Science and Technology, National University of Defense Technology, Changsha410073, China
  • show less
    DOI: 10.37188/OPE.20233103.0331 Cite this Article
    Baoyu LI, Ning CHEN, Yukang CHEN, Xin XIE, Dapeng FAN. High-resolution transmission mechanism of beam pointing device[J]. Optics and Precision Engineering, 2023, 31(3): 331 Copy Citation Text show less
    Offset twist-roller frictional transmission mechanism
    Fig. 1. Offset twist-roller frictional transmission mechanism
    Kinematic analysis of offset twist-roller frictional transmission mechanism
    Fig. 2. Kinematic analysis of offset twist-roller frictional transmission mechanism
    Relationship between elliptical spot and twist angle
    Fig. 3. Relationship between elliptical spot and twist angle
    Relationship between extrusion depth and contact force
    Fig. 4. Relationship between extrusion depth and contact force
    Rigid flexible coupling model of twist-roller frictional transmission mechanism
    Fig. 5. Rigid flexible coupling model of twist-roller frictional transmission mechanism
    Experimental system of prototype
    Fig. 6. Experimental system of prototype
    Experiment system for relation analysis between twist angle and output characteristics of transmission system
    Fig. 7. Experiment system for relation analysis between twist angle and output characteristics of transmission system
    Relationship between twist angle and angle position
    Fig. 8. Relationship between twist angle and angle position
    Effect of twist angle on angular velocity
    Fig. 9. Effect of twist angle on angular velocity
    Relationship between angle position and pulse number
    Fig. 10. Relationship between angle position and pulse number
    Experimental and simulation results of angular resolution
    Fig. 11. Experimental and simulation results of angular resolution
    参 数扭轮从动轮
    直径/mm2593
    厚度/mm56
    基材/覆材2A12/聚酰亚胺2A12
    Table 1. Size and material parameters of transmission mechanism
    名 称型 号技术指标
    减速步进电机08H2038-050-4AL

    保持力矩0.3 N·m

    步距角0.12°

    增量式编码器DFS60A分辨率16位
    三维力传感器DYDW-004

    量程5 kg

    灵敏度1.5 mV/V

    精密手动转台RS-917分度值0.01°
    dSPACE半实物仿真系统dSPACE1103

    分辨率12位

    采样频率1 250 kHz

    Table 2. Experimental instruments and equipment
    Baoyu LI, Ning CHEN, Yukang CHEN, Xin XIE, Dapeng FAN. High-resolution transmission mechanism of beam pointing device[J]. Optics and Precision Engineering, 2023, 31(3): 331
    Download Citation