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    • 8. 发明公开
    • CAPTEUR D'EFFORTS RESONANT MULTIDIMENSIONNEL
    • EP3234529A1
    • 2017-10-25
    • EP15802027.1
    • 2015-11-25
    • Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    • CASTANO CANO, DavinsonGROSSARD, MathieuHUBERT, Arnaud
    • G01L1/16G01L1/18G01L5/16
    • The resonant sensor comprises a test body (10) able to be subjected to a force torque produced by an external mechanical structure, said body (10) comprising at least: - a first interface (2) and a second interface (3) each able to come into contact with said structure; - at least two sensitive areas (1) each arranged between said two interfaces (2, 3); one sensitive area being formed by a plate (21) embedded in a frame (22) rigidly mechanically connected to said interfaces, said plate being able to resonate under the effect of local mechanical excitations produced at particular points by excitation transducers carrying said plate at several resonant frequencies, sensors capturing the resonance signals produce at said particular points, measurement means measuring the resonant frequency shifts of the signals which are linear combinations of the captured resonance signals, said shifts being a function of the mechanical stresses induced by said forces and transmitted to said plate (21) by said frame (22), the components of said torque forces being determined from the resonant frequency shifts measured on the plates (21) of said sensitive areas (1).
    • 该谐振传感器包括能够承受由外部机械结构产生的力矩的测试本体(10),所述本体(10)至少包括: - 第一接口(2)和第二接口(3),各自能够 与所述结构接触; - 至少两个敏感区域(1),每个敏感区域布置在所述两个接口(2,3)之间; 一个敏感区域由嵌入刚性地机械连接到所述界面的框架(22)中的板(21)形成,所述板能够在由特定点产生的局部机械激励的作用下共振,所述激励换能器在几个 谐振频率,捕获在所述特定点处产生的谐振信号的传感器,测量装置,用于测量信号的谐振频率偏移,所述信号是所捕获的谐振信号的线性组合,所述偏移是由所述力引起的机械应力的函数, 所述板(21)由所述框架(22)限定,所述扭矩力的分量由在所述敏感区域(1)的板(21)上测得的共振频移确定。