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Xuguo Jiao, Guozhong Wang, Xin Wang, Zhenyong Zhang, Yanbing Tian and Xiwen Fan
Due to physical limitations and safety requirements, the rate and amplitude of change in wind turbines? pitch angle are limited, which will bring integral saturation problems to the control system. This leads to the deterioration of the pitch control sys...
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Bangchu Zhang, Hao Fu, Weiyu Zhu, Kuijian Yang and Yuanming Xu
The thermal problem of high-altitude airships has an essential impact on position control and energy system performance. Adjusting the airship?s attitude angle causes differences in thermal performance during position alterations. This paper studies an a...
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Changwu Liang, Hong Li, Taoyong Su, Caleb Alistair Frank and Kewei Li
An electrically controlled rotor (ECR), also known as a swashplateless rotor, eliminates the swashplate system to implement the primary control via the trailing-edge flaps (TEFs), which can result in enhancements in rotor performance, as well as substant...
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Jingfu Wang, Songtao Zhang, Jiahuan Cheng, Yunfei Li, Yan Shen and Zihao Wu
As an essential transportation equipment for personnel to access offshore wind plants, the safety and stability of the turbine access system (TAS) have gained increasing significance. However, when sea conditions deteriorate, the end of the TAS will expe...
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Bowen Xiao, Tianyu Lu, Zeyuan Ma and Qunli Xia
The disturbance rejection rate (DRR) is an inherent problem of the seeker. The additional line-of-sight (LOS) angular velocity information of the seeker caused by the DRR will affect the attitude of the aircraft through the guidance system, thus forming ...
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Hao Li, Yuping Li, Zhongliang Zhao, Xiaobing Wang, Haiyong Yang and Shang Ma
To research serious nonlinear coupling problems among aerodynamics, flight mechanics, and flight control during high maneuvers, a virtual flight testing platform has been developed for a large-scale, high-speed wind tunnel, based on the real physical env...
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Seydali Ferahtia, Azeddine Houari, Mohamed Machmoum, Mourad Ait-Ahmed and Abdelhakim Saim
Due to the present trend in the wind industry to operate in deep seas, floating offshore wind turbines (FOWTs) are an area of study that is expanding. FOWT platforms cause increased structural movement, which can reduce the turbine?s power production and...
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Shengjie Xiao, Yuhong Sun, Dapeng Ren, Kai Hu, Huichao Deng, Yun Wang and Xilun Ding
A key challenge in flapping-wing micro air vehicle (FWMAV) design is to generate high aerodynamic force/torque for improving the vehicle?s maneuverability. This paper presents a bio-inspired hover-capable flapping-wing micro air vehicle, named RoboFly.S,...
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Ruhao Hua, Qi Chen, Zhao Wan and Hao Chen
A body flap/RCS-integrated configuration is often used to achieve pitch trimming and controlled flight in near space for hypersonic vehicles. Under the high temperature and pressure load induced by the expansion wave at the nozzle exit, the body flap is ...
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Fernando Tamarit, Emilio García, Eduardo Quiles and Antonio Correcher
This is a new installment in the series of publications that describe the mathematical modeling of the Floating Hybrid Generator Systems Simulator (FHYGSYS) tool. This work presents an improved mathematical model of the turbines of the floating hybrid sy...
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