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<p>Precision pointing platforms are critical for military and civilian applications, such as laser targeting and surveillance, but face challenges in balancing stiffness, workspace, and dynamic performance. This study proposes a novel 2-DOF parallel pointing platform integrating Virtual Center of Motion (VCM) principles and graph theory. Experimental validation demonstrates ± 0.12° positional repeatability, 15 Hz dynamic bandwidth under 300 g loads, and a maximum static stress tolerance of 83.988 MPa (30% below material yield limits). The TSI method extends tracking duration by 40% in low-light conditions, while closed-loop control achieves ± 0.12 mm accuracy in real-time target tracking. The platform bridges optical perception and mechanical control, offering high precision and robustness for applications ranging from autonomous surveillance to laser steering.</p>

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Design and realization of a 2-DOF parallel pointing tracking platform with VCM characteristics

  • 期刊论文

  • 发表日期：

    2025年4月23日

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  • Min Jin

摘要

Precision pointing platforms are critical for military and civilian applications, such as laser targeting and surveillance, but face challenges in balancing stiffness, workspace, and dynamic performance. This study proposes a novel 2-DOF parallel pointing platform integrating Virtual Center of Motion (VCM) principles and graph theory. Experimental validation demonstrates ± 0.12° positional repeatability, 15 Hz dynamic bandwidth under 300 g loads, and a maximum static stress tolerance of 83.988 MPa (30% below material yield limits). The TSI method extends tracking duration by 40% in low-light conditions, while closed-loop control achieves ± 0.12 mm accuracy in real-time target tracking. The platform bridges optical perception and mechanical control, offering high precision and robustness for applications ranging from autonomous surveillance to laser steering.