公开(公告)号：US09176165B2

公开(公告)日：2015-11-03

申请号：US13540773

申请日：2012-07-03

Applicant: Régis Quer ,  Sébastien Simoens ,  Pierre-Olivier Lefort

Inventor： Régis Quer ,  Sébastien Simoens ,  Pierre-Olivier Lefort

IPC: G01P15/09 ,  G01P15/097 ,  G01L9/00 ,  G01C19/5776

CPC classification number: G01P15/097 ,  G01C19/5776 ,  G01L9/0008

Abstract: A micro-system, for example a micro-sensor, includes a resonator 10 with vibrating element(s) 11 receiving an excitation signal E of a loop 20 for automatic gain control, as a function of an amplitude setpoint (C) and providing as output a signal y(t) defined by a peak amplitude having a nominal value A0 dependent on the said setpoint and a resonant frequency. The micro-sensor integrates a circuit for measuring a quality factor of the resonator based on a measurement of an attenuation of the output signal during a momentary phase of cutoff of the excitation signal E applied to the resonator. This circuit for measuring the quality factor is configured so as to activate the excitation signal cutoff phase, for a duration of cutoff Td such that at the end of the cutoff phase, the peak amplitude of the output signal is attenuated by factor to the nominal peak amplitude A0 at the start of the cutoff phase, by a factor k with 1

Abstract translation: 微系统（例如微传感器）包括具有振动元件11的谐振器10，振动元件11接收作为幅度设定点（C）的函数的用于自动增益控制的环路20的激励信号E，并且提供为 输出由具有取决于所述设定点的标称值A0和谐振频率的峰值振幅所限定的信号y（t）。 微传感器基于在施加到谐振器的激励信号E的截止的瞬时相位期间的输出信号的衰减的测量来集成用于测量谐振器的品质因数的电路。 这个用于测量质量因子的电路被配置成激活信号截止相位，在截止Td的持续时间内，使得在截止相位结束时，输出信号的峰值振幅被衰减到标称峰值 振幅A0在截止阶段的开始，乘以1

公开(公告)号：US20130008226A1

公开(公告)日：2013-01-10

申请号：US13540773

申请日：2012-07-03

Applicant: Régis Quer ,  Sébastien Simoens ,  Pierre-Olivier Lefort

Inventor： Régis Quer ,  Sébastien Simoens ,  Pierre-Olivier Lefort

IPC: G01D18/00

CPC classification number: G01P15/097 ,  G01C19/5776 ,  G01L9/0008

Abstract: A micro-system, for example a micro-sensor, comprises a resonator 10 with vibrating element(s) 11 receiving an excitation signal E of a loop 20 for automatic gain control, as a function of an amplitude setpoint (C) and providing as output a signal y(t) defined by a peak amplitude having a nominal value A0 dependent on the said setpoint and a resonant frequency. The micro-sensor integrates a circuit for measuring a quality factor of the resonator based on a measurement of an attenuation of the output signal during a momentary phase of cutoff of the excitation signal E applied to the resonator. This circuit for measuring the quality factor is configured so as to activate the excitation signal cutoff phase, for a duration of cutoff Td such that at the end of the cutoff phase, the peak amplitude of the output signal is attenuated by factor to the nominal peak amplitude A0 at the start of the cutoff phase, by a factor k with 1

Abstract translation: 微系统例如微传感器包括具有振动元件11的谐振器10，振动元件11接收作为幅度设定点（C）的函数的用于自动增益控制的回路20的激励信号E，并且提供为 输出由具有取决于所述设定点的标称值A0和谐振频率的峰值振幅所限定的信号y（t）。 微传感器基于在施加到谐振器的激励信号E的截止的瞬时相位期间的输出信号的衰减的测量来集成用于测量谐振器的品质因数的电路。 这个用于测量质量因子的电路被配置成激活信号截止相位，在截止Td的持续时间内，使得在截止相位结束时，输出信号的峰值振幅被衰减到标称峰值 振幅A0在截止阶段的开始，乘以1