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    • 6. 发明公开
    • TORQUE MEASUREMENT FLEXPLATES
    • FLEXPLATTENFÜRDREHMOMENTMESSUNG
    • EP2959279A1
    • 2015-12-30
    • EP14714305.1
    • 2014-02-24
    • Transense Technologies PLC
    • STOPPS, Alexander Thomas James
    • G01L3/14
    • G01L3/14G01L1/2231G01L3/1457G01L5/161
    • A torque measurement flexplate (20) includes a substantially planar body (54) which defines a plurality of circumferentially distributed axial through apertures (22), a radial web (24) extending between each pair of adjacent axial apertures (22). The flexplate (20) further defines a plurality of circumferentially distributed axial outer fastening holes (26) for attachment to an output member. The flexplate (20) includes a strain sensor (28) for measuring the shear strain field on the flexplate (20). The flexplate (20) defines a recess (30) in which the strain sensor (28) is located, the recess (30) being defined in an axial surface (32) of one of the radial webs (24) such that, in use, the sensor (28) lies at least proximate to one of the local neutral axes (34) relating to one of a plurality of unwanted strains (36) to which the flexplate (20) is subject in use.
    • 扭矩测量柔性板(20)包括限定多个周向分布的轴向通孔(22)的基本平坦的主体(54),在每对相邻轴向孔(22)之间延伸的径向腹板(24)。 柔性板(20)还限定多个周向分布的轴向外部紧固孔(26),用于附接到输出构件。 柔性板(20)包括用于测量柔性板(20)上的剪切应变场的应变传感器(28)。 柔性板(20)限定了应变传感器(28)所在的凹部(30),凹部(30)被限定在一个径向腹板(24)的轴向表面(32)中,使得在使用中 所述传感器(28)至少靠近所述局部中性轴线(34)中的一个与所述柔性板(20)在使用中受到的多个不需要的应变(36)之一相关。
    • 9. 发明授权
    • Method of calibrating temperature compensated sensors
    • 用于温度补偿的传感器的校准方法
    • EP2071291B1
    • 2013-11-20
    • EP08171251.5
    • 2008-12-10
    • Transense Technologies PLC
    • Kalinin, Victor
    • G01D3/02G01D18/00
    • G01D18/008G01D3/022
    • A method of calibrating an individual sensor of a particular sensor type whose output varies non-linearly with at least one measured quantity and at least one operating condition, comprises producing a set of calibration curves for each of a number of sample sensors of the particular sensor type, each curve showing the variation of the sample sensor output with the at least one measured quantity at a different value of the operating condition for the particular sensor type of said individual sensor, said set of curves covering the required operating range for the particular sensor type. The resulting sets of calibration curves of the plurality of sensors derived are then averages and the results used to produce a generic calibration surface for the particular sensor type showing the variation of the sensor reading with the at least one measured quantity across the required operating range. Individual calibration measurements are then taken for a number of different values of the measured quantity for the individual sensor at just a small number of discrete values for the at least one operating condition which fall within the full range of operating values for the at least one operating condition for which the sensor is to be calibrated. The individual calibration readings are then used to map the generic calibration surface to the individual calibration measurements of the individual sensor in order to fit it to the individual senor.