基于EasyLaser的复合轴跟踪系统仿真研究

Simulation of compound-axis tracking systems based on EasyLaser

复合轴跟踪系统能够有效提高光束定向系统的跟踪稳定性和跟踪精度,它的实体仿真模型可以分解为场景模型、成像模型、预测模型和跟踪控制模型等。基于组件化仿真软件EasyLaser友好的用户建模方法和代码自动生成技术,提出了复合轴跟踪系统的组件化仿真方法。研究了基于Matlab引擎,通过Simulink环境嵌套方式调用求解器,确保控制环节仿真的可靠性。融合复合轴光电系统仿真中运动、控制、光学传输等相关内容,提出了若干辅助组件,能够基于数值方法自动模拟仿真过程中控制量驱动的解耦过程,解决了结构和光路布局具有多样性的复合轴系统的组件化仿真难题。通过与自适应光学系统联合的仿真实例,表明了复合轴跟踪系统组件化仿真技术的可靠性、便利性和适应性。

Compound-axis servo system is effective on the improvement of tracking stability and precision for optical beam pointing system. Its entitative simulation models were categorized into scene model,target imaging model, prediction model and tracking control model, etc. Easy Laser was general component simulation software. Based on friendly modeling method for used and program auto growing technology of Easy Laser, component-based compound axis tracking system simulation method was proposed. The Simulink circumstance nest mode based on Matlab engine was discussed and simulation creditability was proved. Furthermore, amalgamation of kinematics, control, optical propagation was partially analyzed, some assistant components were proposed. Through numerical solving method, control driver decoupling procedure was simulated automatically. Component simulation problem for compound-axis system with structure and optical layout multiplicity was solved at all. Simulation example of compound-axis joint with adaptive optics system illustrates that the component simulation method has the capacity of retaining simulative creditability and enhancing the simulative facility and adaptability.