公开(公告)号：US20150323560A1

公开(公告)日：2015-11-12

申请号：US14672575

申请日：2015-03-30

Applicant: STMICROELECTRONICS S.R.L.

Inventor： Marco Castellano ,  Pierluigi Montinari ,  Salvatore Poli ,  Alessandro Tocchio ,  Giovanni Carlo Tripoli

IPC: G01P21/00 ,  G01P15/125

CPC classification number: G01P21/00 ,  G01C25/00 ,  G01P15/125

Abstract: A method for compensating non-linearities of a read signal generated by a variable-capacitance inertial sensor including a first fixed electrode and a second fixed electrode and a mobile electrode, which is spatially arranged between the first and second fixed electrodes and is capacitively coupled to the first and second fixed electrodes, said method comprising the steps of: acquiring the read signal; identifying a first linear component and at least one first nonlinear component of the read signal; a generating a compensated output signal by subtracting the first nonlinear component from the read signal.

Abstract translation: 一种用于补偿由包括第一固定电极和第二固定电极和移动电极的可变电容惯性传感器产生的读取信号的非线性的方法，所述第一固定电极和第二固定电极和移动电极被空间地布置在第一和第二固定电极之间并且电容耦合到 所述第一和第二固定电极，所述方法包括以下步骤：获取读取信号; 识别所述读取信号的第一线性分量和至少一个第一非线性分量; 通过从读取信号中减去第一非线性分量来产生补偿输出信号。

公开(公告)号：US09970958B2

公开(公告)日：2018-05-15

申请号：US14672575

申请日：2015-03-30

Applicant: STMICROELECTRONICS S.R.L.

Inventor： Marco Castellano ,  Pierluigi Montinari ,  Salvatore Poli ,  Alessandro Tocchio ,  Giovanni Carlo Tripoli

IPC: G01P21/00 ,  G01C25/00 ,  G01P15/125

CPC classification number: G01P21/00 ,  G01C25/00 ,  G01P15/125

Abstract: A method for compensating non-linearities of a read signal generated by a variable-capacitance inertial sensor including a first fixed electrode and a second fixed electrode and a mobile electrode, which is spatially arranged between the first and second fixed electrodes and is capacitively coupled to the first and second fixed electrodes, said method comprising the steps of: acquiring the read signal; identifying a first linear component and at least one first nonlinear component of the read signal; a generating a compensated output signal by subtracting the first nonlinear component from the read signal.