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根据力学原理设计了一种专用的二维测力脚蹬。其工作原理是:脚蹬受到力的作用后对应弹性体变形,在变形处贴有电阻应变片,以达到测量的目的.经标定后达到了设计要求:垂直力大于100公斤,水平力大于50公斤,相对误差小于1%,旋转角度360度,非线性、重复性、滞后和蠕变误差均在±0.05%F·s 内。该传感器经两年多高速、大负荷使用证明安全可靠。
According to the principle of mechanics designed a dedicated two-dimensional force pedal. Its working principle is: After the pedal is affected by the force corresponding to the deformation of the elastomer, attached to the deformation strain gauge strain gauge, in order to achieve the purpose of measurement. After calibration to meet the design requirements: vertical force greater than 100 kg, horizontal force greater than 50 Kg, the relative error is less than 1%, the rotation angle is 360 degrees, and the nonlinearity, repeatability, hysteresis and creep error are within ± 0.05% F · s. The sensor by more than two years of high-speed, large load proved safe and reliable.