NDLI: The use of PD and I control relative to wind in the direction control of helicopter

Content Provider	IEEE Xplore Digital Library
Author	Hemhirun, S. Ruangwiset, A.
Copyright Year	2011
Description	Author affiliation: Department of Mechanical Engineering, Faculty of Engineer, King Mongkut's University of Technology Thonburi, 126 Pracha u-tid Road, Bangmod, Tungkru, Bangkok 10140 (Hemhirun, S.; Ruangwiset, A.)
Abstract	This paper aimed to improve the accuracy of the proportional and derivative control (PD control) for controlling the direction of helicopter in wind. The research began by using the dynamic test method in wind tunnel to test the performance of PD control that was adjusted gains and could acquire the desired yaw response in windless. The effect of wind increased the average steady state error. That can be solved by introducing the integral control (I control) into the based PD control but it produces undesired overshoot. So this research considered on the data of average steady state error of yaw angle and created its relative equation with the wind speed and the desired yaw angle respected to wind direction. Then the approach is the using of I control upon on the approximated error of yaw angle from created relative equation. The results of the dynamic test method in wind tunnel showed that proposed method can control the direction of helicopter stably with desired response characteristics. Although overshoot and vibration occurred in some cases, but the maximum and minimum error in steady state are also in acceptable ± 2 deg.
Starting Page	1009
Ending Page	1013
File Size	917432
Page Count	5
File Format	PDF
ISBN	9781457707148
e-ISBN	9784907764395
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-13
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	SICE (The Society of Instrument and Cont
Subject Keyword	PD control Wind speed Helicopters Steady-state Equations Rotors Mechanical engineering Direction control Helicopter I control
Content Type	Text
Resource Type	Article

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