公开(公告)号：US20170131123A1

公开(公告)日：2017-05-11

申请号：US14936994

申请日：2015-11-10

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Reza PEDRAMI ,  Kaveh Moezzi MADANI

IPC: G01D18/00 ,  G05B13/04

CPC classification number: G01D18/00 ,  G01D5/24452 ,  G01D5/24471 ,  G01D5/24476 ,  G01D5/2449 ,  G05B13/04

Abstract: There are described herein methods and systems for estimating a system parameter in a closed loop scheme using a sensor model associated with a sensor performing a measurement of the system parameter. Past and current measurements of the parameter are used to provide an initial estimate of the system parameter and sensor dynamics are used to refine the estimated parameter.

公开(公告)号：US20200095933A1

公开(公告)日：2020-03-26

申请号：US16137800

申请日：2018-09-21

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Poi Loon TANG ,  Kaveh Moezzi MADANI

IPC: F02C7/057 ,  F02C3/13 ,  F02C7/042 ,  F04D19/02 ,  F04D27/00

Abstract: Herein provided is a signal processing device for use in an aircraft engine with a variable geometry mechanism (VGM) and associated systems and methods. The signal processing device comprises a processing unit and a non-transitory computer-readable memory communicatively coupled to the processing unit. The memory has stored thereon computer-readable program instructions executable by the processing unit for: obtaining a VGM position request signal; determining whether a variation of the VGM position request signal is within a predetermined range; when the variation of the VGM position request signal is within the predetermined range: filtering the VGM position request signal to reduce a level of noise in the VGM position request signal; and transmitting the filtered VGM position request signal; and when the variation of the VGM position request signal is not within the predetermined range, transmitting a processed signal, based on the VGM position request signal.