角度传感器特性智能测试虚拟仪器研究与实现

Study and implantation of a virtual instrument for the intelligent testing of angular transducer

为了提高角度传感器特性测试的自动化程度,将角度传感器测试平台、传感器输出信号采集系统和传感器静态特性分析三部分系统融合为一体,研发了角度传感器特性智能测试虚拟仪器;同时,针对步进电机的驱动,提出了基于Sigmond型函数的升降速特性曲线的驱动方式,以提高系统运行的平稳性.实验测试结果表明,该仪器具有对角度传感器特性进行自动化测试的功能,并能直接输出线性度、迟滞和重复性等特性曲线,在大规模工程测试中,具有较大的应用价值.

To improve the automation of angular sensors character.testing and inosculate test platform, output signal acquisition system of the sensor and static character analysis of the sensor, the author researches and developments a virtual instrument for the intelligent testing of angular transducer, In order to improve the stationarity of the stepper motor, a sigmond function based acceleration/deceleration curve is proposed as the driving method of the motor. The experiment results indicate that the instrument can automatically test the static performances of angular sensors, and can also automatically output and save the testing results such as the linearity, the repetitiveness and the hysteresis effect of the sensors outputs, which has great application value in large-scale engineering test.