六维力传感器结构参数优化及力学性能研究

Structural parameter optimization and study on mechanical properties of six-axis force sensor

该文利用理论分析优化了一种Stewart型六维力传感器结构参数,并结合数值仿真研究了其力学特性。通过参数分析,优化了传感器5大结构参数,利用ABAQUS建立了传感器有限元分析模型并验证了模型的可靠性,为避免传感器工作时出现共振现象,通过模态分析,讨论了前六阶本征频率特性,计算并分析了多种工况下传感器的应力、应变及位移特点。研究表明,该传感器结构设计合理且力学性能较好。

Optimizes the structural parameters of a Stewart six-axis force sensor by theoretical analysis,and studies its mechanical characteristics by numerical simulation.Through parameter analysis,optimizes five major structural parameters of the sensor.Establishes a finite element analysis model of the sensor using ABAQUS and verifies the reliability of the model.To avoid resonance phenomenon when the sensor is working,through modal analysis,discusses the first six order eigenfrequency characteristics.Calculates and analyzes the stress,strain and displacement characteristics of the sensor under various operating conditions.The research shows that the structure of the sensor is reasonable and the mechanical properties are good.