【摘要】 面向航空、航天等高端装备制造和大型射电望远镜等大科学装置建造、运行过程中多目标、自主并行测量需求，针对前期研究所提出的长角融合空间坐标测量系统，完善了几何结构误差模型，提出了一种基于自适应加权优化算法的高精度控制场标定方法，实现了长角融合空间坐标测量系统误差参数精准标定。室内标定实验24个标定点的点位坐标平均偏差为0.098 1 mm，接近单次测量仿真的理论平均偏差值。室外天文观测环境下10个观测点的点位坐标测量标准差优于0.021 mm，反射面切向位移最大比对偏差为0.022 mm，重力方向位移最大比对偏差为0.040 mm。实验结果表明，本文方法有效标定了长角融合坐标测量系统的误差参数，满足实时天文观测对主动面面形精度控制的需求。更多还原

【Abstract】 Facing multi-objective, autonomous, parallel measurement demands in the manufacturing of high-end equipment(e. g., aviation and aerospace) and the construction and operation of large scientific facilities(e. g., large radio telescopes), improvements are presented for the distance-angle fusion spatial coordinate measurement system previously proposed. The geometric-structure error model has been refined, and a high-precision control-field calibration method based on an adaptive weighted optimization algorithm is introduced. Precise calibration of the system’s error parameters was achieved. In indoor calibration experiments, the average deviation of coordinates across 24 calibration points was 0. 098 1 mm, closely matching the theoretical average deviation from single-measurement simulation. In outdoor astronomical observation conditions, the standard deviation of point-position measurements for 10 observation points was better than 0. 021 mm, the maximum tangential displacement comparison deviation of the reflective surface was 0. 022 mm, and the maximum gravitational-direction displacement deviation was 0. 040 mm. These results demonstrate that the proposed method effectively calibrates the error parameters of the distance-angle fusion coordinate measurement system and satisfies the real-time control requirements for active surface shape accuracy in astronomical observations.更多还原