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Downwind wind turbine yaw stability and performance
Renewable Energy, 2015Abstract In this experimental work, the yaw stability and performance of three different downwind rotors are measured and compared to those of the corresponding upwind rotors. A modular scale-model wind turbine that allows for either upwind or downwind operation, with a range of rotor cone and yaw angles, is used. The measurements, at near full-scale
C. Kress, N. Chokani, R.S. Abhari
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Vehicle yaw dynamics modelling and analyzing for yaw stability control
Proceedings of 2011 International Conference on Modelling, Identification and Control, 2011Some vehicle yaw dynamics modelling methods are analyzed and a new control-oriented model is proposed in the paper. These vehicle yaw dynamics models are all obtained through simplifying vehicle original physical dynamics, and they all have strong and weak points.
null Hongliang Zhou, null Zhiyuan Liu
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Development of Vehicle Yaw Stability Controller
SAE Technical Paper Series, 2013<div class="section abstract"><div class="htmlview paragraph">Electronics is widely used for improving the vehicle safety due to its characteristics like fast response, multi sensor interface and implementation of complex control strategy. Already a majority of vehicles are fitted with some kind of Electronic Stability Program (ESP) system ...
Ramanathan Annamalai +5 more
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An Advanced Yaw Stability Control System
SAE Technical Paper Series, 2017<div class="section abstract"><div class="htmlview paragraph">This paper presents an advanced yaw stability control system that uses a sensor set including an inertial measurement unit to sense the 6 degrees-of-freedom motions of a vehicle.
Jianbo Lu +5 more
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Yaw Card Influence on Stability and Yaw Growth for Spin-Stabilized Projectiles.
1997Abstract : Using an impulse or Dirac delta approach, the stability and growth of yaw for a spin-stabilized projectile as it transits a yaw card range is investigated. The card-induced changes in the complex yaw arm amplitudes and phases are expressed as difference equations.
Kevin S. Fansler, Gene R. Cooper
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A compensated yaw-moment-based vehicle stability controller
International Journal of Vehicle Design, 2008This paper describes an ESP (electronic stability program) controller system which acts on the brake system to generate a corrective yaw moment that helps the vehicle to follow the course desired by the driver. The corrective yaw moment, referred to as compensated yaw moment, is based on the estimation of the desired yaw rate as well as the sideslip ...
null Chih-Keng Chen +2 more
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Yaw rate and linear velocity stabilized manual wheelchair
2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2013We present the development of a prototype novel low-power, inexpensive stability control system for manual wheelchairs. Manual wheelchairs, while providing the ability to maneuver in relatively small indoor spaces, have a high center of gravity making them prone to tipping.
Sara J, Seifert +3 more
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Yaw stability in gliding birds
Journal of Ornithology, 2005A new concept for describing the yaw stability in gliding birds is presented. This concept introduces dynamic stiffness in yaw as an appropriate indication of stability. Other than the conventional metric of static yaw stability given by the gradient of the aerodynamic yawing moment with respect to the sideslip angle, the dynamic stiffness does not ...
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