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581
Study on Influencing Factors of Helicopter Brownout Evolution Based on CFD-DEM
Published 2021-12-01Subjects: “…helicopter…”
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Article -
582
Research progress of helicopter noise suppression technology based on materials/structures
Published 2022-04-01Subjects: “…helicopter…”
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Article -
583
Interfacility helicopter transfers for critically ill patients: always the right choice?
Published 2020-04-01Subjects: “…Helicopter emergency medical services…”
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Article -
584
Modelling and Analysis of Vibrations in a UAV Helicopter with a Vision System
Published 2012-11-01“…The analysis of the nature and damping of unwanted vibrations on Unmanned Aerial Vehicle (UAV) helicopters are important tasks when images from on-board vision systems are to be obtained. …”
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Article -
585
Euler equation computations for the flow over a hovering helicopter rotor
Published 2005Get full text
Thesis -
586
Development of a Piezoelectric Servo-Flap Actuator for Helicopter Rotor Control
Published 2007Subjects: Get full text
Technical Report -
587
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588
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589
An experimental study of surge control in a helicopter gas turbine engine
Published 2010Get full text
Thesis -
590
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591
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592
Development of a semi-autonomous RC helicopter for remote sensing applications
Published 2011“…The objective of this FYP is to develop assistive technologies to allow users without prior experience to pilot large scale radio-controlled (RC) helicopters with minimum training.…”
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Final Year Project (FYP) -
593
Safety Analysis of Helicopter Models using Hybrid Systems with Geometric Programming
Published 2010“…Designing autonomous flight control system for a mini scale helicopter is very challenging due to their highly nonlinear and unstable behaviors. …”
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Conference or Workshop Item -
594
DE-based Robust Feedback Controller for Longitudinal Cruise Control of Helicopter
Published 2011“…The proposed controller design technique is applied to a longitudinal cruise control of a small scale helicopter. The control of small-scale helicopter is a MIMO problem which increases the complexity of the controller design task. …”
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Proceeding Paper -
595
Neural network controller for two-degree-freedom helicopter control system
Published 2012“…One of the fittest candidates for such services is two-degree-freedom (2DOF) helicopter. Automatic control features of 2-DOF helicopter are usually approximated using the linear quadratic regulator (LQR), which can be further enhanced in-terms of Neural Network (NN). …”
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Conference or Workshop Item -
596
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597
Numerical Analysis of an Isolated Main Helicopter Rotor in Hovering and Forward Flight
Published 2006“…Aerodynamic characteristics of a 5-seater helicopter with different rotor configuration (i.e.; blade number and size) operating in forward flight mode were simulated by using commercial computational fluid dynamic (CFD) software called FLUENT. …”
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Conference or Workshop Item -
598
Feasibility study on improving of 5-seater helicopter forward flight speed
Published 2006“…In this study, two 5-seater helicopters that are in the same FAR 27 category were chosen for the forward flight speed comparison. …”
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Thesis -
599
Wind tunnel tests on a generic eurocopter 350Z helicopter
Published 2008“…This paper summarizes a wind tunnel investigation on the aerodynamics characteristic of a rigid 14% model of a hybrid Eurocopter helicopter. The test was conducted in the 2m x 1.5m Universiti Teknologi Malaysia - Low Speed Tunnel (UTM-LST). …”
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Conference or Workshop Item -
600
Numerical studies on unsteady helicopter main-rotor-hub assembly wake
Published 2018“…The objective of this research is to quantify viscous unsteady flow phenomenon observed behind a helicopter main-rotor-hub assembly, as the part is believed to be a major contributor to tail shake phenomenon. …”
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