设计了一套大气环境下外场可见光、激光两光轴瞄准系统瞄准偏差测试装置,通过外场实验测得不同距离处测试装置的基准光轴的偏差。结果表明,2000 m距离上基准光轴偏差为4.5,″满足了多光谱多光轴动态瞄准偏差测试误差0.1 m rad(20.6″)...设计了一套大气环境下外场可见光、激光两光轴瞄准系统瞄准偏差测试装置,通过外场实验测得不同距离处测试装置的基准光轴的偏差。结果表明,2000 m距离上基准光轴偏差为4.5,″满足了多光谱多光轴动态瞄准偏差测试误差0.1 m rad(20.6″)的精度要求。并据此基准光轴在外场环境下对激光光轴相对于可见光光轴的瞄准偏差进行测试,实现了对光电瞄准系统外场瞄准偏差参数进行精确测量。展开更多
One of the important trends in precision machining is the development ofreal-time error compensation technique. The error compensation for multi-axis CNC machine tools isvery difficult and attractive. The modeling for...One of the important trends in precision machining is the development ofreal-time error compensation technique. The error compensation for multi-axis CNC machine tools isvery difficult and attractive. The modeling for the geometric error of five-axis CNC machine toolsbased on multi-body systems is proposed. And the key technique of the compensation―identifyinggeometric error parameters―is developed. The simulation of cutting workpiece to verify the modelingbased on the multi-body systems is also considered.展开更多
文摘设计了一套大气环境下外场可见光、激光两光轴瞄准系统瞄准偏差测试装置,通过外场实验测得不同距离处测试装置的基准光轴的偏差。结果表明,2000 m距离上基准光轴偏差为4.5,″满足了多光谱多光轴动态瞄准偏差测试误差0.1 m rad(20.6″)的精度要求。并据此基准光轴在外场环境下对激光光轴相对于可见光光轴的瞄准偏差进行测试,实现了对光电瞄准系统外场瞄准偏差参数进行精确测量。
基金This project is supported by National Natural Science Foundation of China (No.E059905019)
文摘One of the important trends in precision machining is the development ofreal-time error compensation technique. The error compensation for multi-axis CNC machine tools isvery difficult and attractive. The modeling for the geometric error of five-axis CNC machine toolsbased on multi-body systems is proposed. And the key technique of the compensation―identifyinggeometric error parameters―is developed. The simulation of cutting workpiece to verify the modelingbased on the multi-body systems is also considered.
