In order to solve the problems of low precision and low motion control of multi-degree-of-freedom motor in three-dimensional space. under the rigid mechanical system. based on the characteristics of strong coupling and nonlinearity of complex mechanical systems. a three-degree-of-freedom motor capable of linkage control can be designed. https://www.roneverhart.com/Gator-Frameworks-GFW-UTL-WS250-Electronic-Keyboard-Stand-p27489/