新型全数字电量转矩测量仪  

New Kind of Numerical Electric Torque Measuring Instrument

作　　者：王怀颖[1] 刘永超[1] 

机构地区：[1]南京师范大学,江苏南京210036

出　　处：《仪表技术与传感器》2004年第10期13-15,21,共4页Instrument Technique and Sensor

摘　　要：在分析机械式转矩测量仪测量特点的基础上,从电机的动力学模型出发,推导出以电机定子电压、电流等电测信号为输入量的异步电机输出转矩计算公式。在此基础上,以TI公司生产的TMS320240高速数字处理芯片为核心,外扩输入、采样、显示、保护、通信等电路构与一个高性能转矩测量仪,用于测量异步电机的输出转矩。对转矩测量仪的测量原理、各组成部分的电路构成等进行了详细分析、介绍,并给出了仪器的实验测试结果。Based on analyzing the measuring feature of the mechanical torque instrument,gave out a new method,which used the input current and voltage of the motor stator as input value,to calculate the motor's output torque.A new kind of torque measuring instrument was constructed with the TMS320F24,sampling circuit,displaying circuit,protectin circuit and communicating circuit.The measuring principle was introduced,the consisted parts were detailedly designed.The experiment result was given out at the end.

关 键 词：转矩测量仪 电测信号 测量原理 异步电机 TMS320240 DSP 

分 类 号：TH823.4[机械工程—仪器科学与技术]