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    • 31. 发明授权
    • Stress detection method for sensor device with multiple axis sensor and sensor device employing this method
    • 采用这种方法的多轴传感器和传感器装置的传感器装置的应力检测方法
    • US07320253B2
    • 2008-01-22
    • US11073944
    • 2005-03-08
    • Toshio HanazawaMasaaki OnoTsutomu MiyashitaHiroshi TokunagaHiroshi Ishikawa
    • Toshio HanazawaMasaaki OnoTsutomu MiyashitaHiroshi TokunagaHiroshi Ishikawa
    • G01P15/125
    • G01P15/123G01P15/18G01P21/00G01P2015/084
    • The present invention provides the stress detection method for force sensor device with multiple axis sensor device and force sensor device employing this method, whose installation angle is arbitrary. The stress detection method includes, first and second force sensors whose detection axes are orthogonal to each other. When the detection axis of first force sensor forms angle θ with direction of detected stress Ax, and the stress component of direction perpendicular to direction of the detected stress Ax is Az, output Apx of the axis direction of first force sensor is found as Apx=αx (Ax×cos θ+Az×sin θ), and output Apz of the axis direction of the second force sensor is found as Apz=αz (Ax×sin θ+Az×cos θ), and, when αx and αz are detection sensitivity coefficients of first and second force sensors respectively, the detection sensitivity coefficient αz of second force sensor is set as αz=αx tan θ, and the detected stress Ax is found as Ax=(Apx−Apz)/αx(cos θ−tan θ×sin θ).
    • 本发明提供了具有多轴传感器装置的力传感器装置和采用该方法的力传感器装置的应力检测方法,其安装角度是任意的。 应力检测方法包括检测轴彼此正交的第一和第二力传感器。 当第一力传感器的检测轴与检测到的应力Ax的方向形成角度θ,并且垂直于检测应力的方向的方向的应力分量为Az时,第一力传感器的轴方向的输出Apx被发现为Apx = (Axxcosθ+Azxsinθ),第二力传感器的轴方向的输出Apz被找到为Apz =αz(Axxsinθ+Azxcosθ) ,并且当αx和αz分别是第一和第二力传感器的检测灵敏度系数时,第二和第二力传感器的检测灵敏度系数αz 力传感器被设置为α =α×tanθθ,并且检测到的应力Ax被发现为Ax =(Apx-Apz)/α SUB>(cosθ-tan角蛋白θ)。
    • 37. 发明申请
    • CIRCUIT FAULT DETECTION DEVICE
    • 电路故障检测装置
    • US20150316621A1
    • 2015-11-05
    • US14650912
    • 2012-12-12
    • Masataka IEDAShuya SANOMasaaki ONO
    • Masataka IEDAShuya SANOMasaaki ONO
    • G01R31/40
    • G01R31/40H02H7/122H02H7/1227H02P29/0241
    • A circuit fault detection device includes: an interruption-signal generation unit that outputs an interruption signal for a drive circuit stopping driving of a drive target on a basis of the interruption signal; a pulse generation unit that includes an adjustment unit adjusting a time during which a pulse signal is in an OFF state and that generates the pulse signal; a signal synthesis unit that outputs a logical AND of the interruption signal and the pulse signal; a filter circuit that inputs, as an output, a signal obtained by delaying an output signal of the signal synthesis unit to the drive circuit; and a monitoring unit that determines whether a circuit fault has occurred on a basis of an output voltage of the filter circuit.
    • 电路故障检测装置包括:中断信号生成单元,其基于中断信号输出驱动电路停止驱动目标的驱动电路的中断信号; 脉冲发生单元,其包括调整脉冲信号处于OFF状态并产生脉冲信号的时间的调整单元; 信号合成单元,输出中断信号和脉冲信号的逻辑与; 输入通过将信号合成单元的输出信号延迟到驱动电路而获得的信号作为输出的滤波电路; 以及监视单元,其基于所述滤波器电路的输出电压来确定是否发生了电路故障。