Invention Grant
- Patent Title: Systems and methods for controlled filtering of aircraft control input
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Application No.: US15987059Application Date: 2018-05-23
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Publication No.: US10906632B2Publication Date: 2021-02-02
- Inventor: Jeffrey Bosworth
- Applicant: Bell Helicopter Textron Inc.
- Applicant Address: US TX Fort Worth
- Assignee: Bell Helicopter Textron Inc.
- Current Assignee: Bell Helicopter Textron Inc.
- Current Assignee Address: US TX Fort Worth
- Agency: Shackelford, Bowen, McKinley & Norton, LLP
- Main IPC: G01M1/14
- IPC: G01M1/14 ; B64C13/16 ; G01P13/02

Abstract:
In one embodiment, a method is performed by a control computer. The method includes receiving a time series of control inputs in relation to a control axis of an aircraft, where the control computer causes actuation in response to each control input in the time series as the control input is received. The method also includes determining aircraft oscillation over a sample period corresponding to the time series. The method also includes evaluating information related to the determined aircraft oscillation using engagement settings associated with a control filter. The method also includes engaging the control filter responsive to the information satisfying the engagement settings, where the engaged control filter systematically attenuates future control inputs in relation to the control axis prior to actuation responsive thereto.
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