Force tracking system using a semi-active valve lag damper for vibration reduction in helicopters

Rafael Morales; Matthew Turner; Ian Postlethwaite

doi:10.1049/ic.2010.0374

Force tracking system using a semi-active valve lag damper for vibration reduction in helicopters

Rafael Morales, Matthew Turner, Ian Postlethwaite

Research output: Contribution to conference › Paper › peer-review

Abstract

This paper considers a closed-loop force tracking system for an active valve lag damper intended for vibration reduction applications in helicopters. The mathematical model of the damper is treated in a simplified form and is the basis for controller design. Due to the inherent nonlinearity of the damper, a controller is constructed using concepts from nonlinear control, namely, nonlinear dynamic inversion (NDI). Tuning methods according to several frequency-domain requirements are introduced and a realistic simulation example demonstrates the effectiveness of the controller.

Original language	English
DOIs	https://doi.org/10.1049/ic.2010.0374
Publication status	Published - Sept 2010
Event	Control 2010 - UKACC International Conference on Control - Coventry, UK Duration: 1 Sept 2010 → … http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6490832

Conference

Conference	Control 2010 - UKACC International Conference on Control
Period	1/09/10 → …
Internet address	http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6490832

Keywords

Controller tuning
Force tracking
Helicopter vibration
Nonlinear control
Semi-active dampers

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10.1049/ic.2010.0374

http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6490832

Cite this

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abstract = "This paper considers a closed-loop force tracking system for an active valve lag damper intended for vibration reduction applications in helicopters. The mathematical model of the damper is treated in a simplified form and is the basis for controller design. Due to the inherent nonlinearity of the damper, a controller is constructed using concepts from nonlinear control, namely, nonlinear dynamic inversion (NDI). Tuning methods according to several frequency-domain requirements are introduced and a realistic simulation example demonstrates the effectiveness of the controller.",

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AB - This paper considers a closed-loop force tracking system for an active valve lag damper intended for vibration reduction applications in helicopters. The mathematical model of the damper is treated in a simplified form and is the basis for controller design. Due to the inherent nonlinearity of the damper, a controller is constructed using concepts from nonlinear control, namely, nonlinear dynamic inversion (NDI). Tuning methods according to several frequency-domain requirements are introduced and a realistic simulation example demonstrates the effectiveness of the controller.

KW - Controller tuning

KW - Force tracking

KW - Helicopter vibration

KW - Nonlinear control

KW - Semi-active dampers

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Force tracking system using a semi-active valve lag damper for vibration reduction in helicopters

Abstract

Conference

Keywords

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