光电探测机构目标定位误差分析与综合补偿方法研究

Electro-optical detection mechanisms play a more and more important role in reconnaissance, surveillance, orientation, navigation, communication systems, especially in the higher target location accuracy.To explore the science problems about error analysis、modeling and compensation theory and method of target location for electro optical detection Mechanisms, based on the multi-body mechanisms modeling theory and homogeneous coordinate transformation method, a general target location equation that suits different platforms are investigated;By quantitatively analyzing relationship between each error in every subsystem and target location precision, the error synthetic model for target location is built; error synthetic evaluation system is built based on Monte Carlo evaluation methods; compensation principle for pointing error is investigated, the key problems to be solved during the compensation are addressed, a basic parameter model is presented, which has explicit physical meaning; and to improve the identification accuracy, an improved algorithm subject to the semi-parametric regression model is also presented further on the basis of the basic parameter model for pointing error, and then proves it by constructing a pointing error separation and revision system；error synthetic analysis and compensation software is designed , indoor separation and compensation experiment of pointing errors and outdoor expriment of target location are set up for a designed electro-optical system to the validity and practicability of the research results.The project target is to establish a comparative perfect error analysis theory and a practical error compensation method，and to provide base theory and key technique support for developing the high precision electro-optical detection mechanisms.

光电探测系统在侦察、监视、定位、导航和通信等领域的应用越来越重要，且目标定位精度的要求越来越高。本项目围绕目标定位误差建模分析与补偿这一科学问题，基于多体系统建模理论和全微分法，深入研究光电探测系统的通用目标定位模型和误差传递模型；定量分析各项误差因素与目标定位精度的影响关系，建立目标定位误差综合模型；采用基于Monte Carlo的误差评价方法，建立误差综合评价体系；研究指向误差的修正原理，分析修正过程中亟需解决的几个关键因素，建立具有明确物理意义的指向误差基本参数模型；采用基于半参数回归模型的改进算法抑制非线性误差因素干扰，实现误差修正模型参数的高精度辨识；设计误差综合分析补偿软件，研制室内指向误差分离和补偿实验系统和外场目标定位实验系统，对研究成果进行验证；形成较为完善的目标定位误差分析理论和误差补偿方法，为高精度光电探测系统的研发提供基础理论和关键技术支撑。

研究工作基本按照原计划执行，部分研究内容结合国防应用背景和技术发展状况进行了局部调整。本项目依照研究计划深入研究了光电探测系统的通用目标定位模型和误差传递模型，分析了各项误差因素与目标定位精度的影响关系，建立了目标定位误差综合模型和误差综合评价体系；研究了指向误差的修正原理，分析了指向误差修正的若干关键问题，建立了具有明确物理意义的指向误差基本参数模型；采用基于半参数回归模型的改进算法，抑制了非线性误差因素干扰，实现了误差修正模型参数的高精度辨识；在实际应用案例的嵌入式系统中设计了误差综合分析补偿软件，研制了室内指向误差分离和补偿实验系统和外场目标定位实验系统，对研究成果进行了验证。在理论研究的基础上，对研究成果在国防应用领域的转化进行了初步探索。设计了适用于机载光电探测机构的嵌入式控制系统和改进型、快速化的误差分析评估实验系统，并将研究成果应用于系统中，在智能集群协同探测任务中得到应用。