六维力传感器静态解耦算法应用研究

Application study on static decoupling algorithms for six-dimensional force sensor

维间耦合是制约六维力传感器测量精度的瓶颈,已成为一个热门研究课题。在分析传统的基于线性标定的静态解耦算法的基础上,提出了一种基于最小二乘线性拟合的静态解耦算法,并基于2种解耦算法开发了基于MATLAB软件的集成解耦模块,通过实例验证了软件的集成解耦功能和新算法的优越性,最后,探讨了制约解耦精度提高的因素。

The static coupling of six-dimensional force sensor is a key factor to limiting its measuring precision ,it has become a popular direction of study. Under the ground of analyzing static linear calibration decoupling algorithm,a new static decoupling algorithm based on least square linear fitting is presented. Adopting two algorithms, integral decoupling module based on MATLAB is developed, the decoupling function and new algorithm＇ s superiority are verified by the illustration. The factors to confine decoupling accuracy are discussed at last.