公开(公告)号：US20240213898A1

公开(公告)日：2024-06-27

申请号：US18069307

申请日：2022-12-21

Applicant: Infineon Technologies AG

Inventor： Mihail Jefremow ,  Jürgen Schäfer ,  Michael Augustin ,  Chandresh Patel ,  Arndt Voigtländer

IPC: H02P21/10 ,  H02P21/09

CPC classification number: H02P21/10 ,  H02P21/09

Abstract: A resolver-to-digital converter, comprising: a feedback (FB) filter chain loop having a state observer configured to estimate a rotation speed and a rotation angle of an object, based on a pair of input sine and cosine signals that are amplitude-modulated (AM) to correspond with the rotation angle of the object; and a feedforward (FF) filter chain path configured to estimate the rotation speed of the object based on the pair of input sine and cosine signals, wherein the state observer of the FB filter chain loop is further configured to offset the estimated rotation speed of the FB filter chain loop with the estimated rotation speed of the FF filter chain path to decrease a settling time of the estimated rotation angle.

公开(公告)号：US12206344B2

公开(公告)日：2025-01-21

申请号：US18069307

申请日：2022-12-21

Applicant: Infineon Technologies AG

Inventor： Mihail Jefremow ,  Jürgen Schäfer ,  Michael Augustin ,  Chandresh Patel ,  Arndt Voigtländer

IPC: H03M1/48 ,  H02P21/09 ,  H02P21/10

Abstract: A resolver-to-digital converter, comprising: a feedback (FB) filter chain loop having a state observer configured to estimate a rotation speed and a rotation angle of an object, based on a pair of input sine and cosine signals that are amplitude-modulated (AM) to correspond with the rotation angle of the object; and a feedforward (FF) filter chain path configured to estimate the rotation speed of the object based on the pair of input sine and cosine signals, wherein the state observer of the FB filter chain loop is further configured to offset the estimated rotation speed of the FB filter chain loop with the estimated rotation speed of the FF filter chain path to decrease a settling time of the estimated rotation angle.