Fixed-time angle of attack constrained control for aircraft considering dynamic icing process [PDF]
Scientific ReportsAircraft icing deteriorates aerodynamic performance and reduces stall angle of attack, the fast convergence rate of tracking error is required to stabilize the aircraft when aircraft icing occurs.
Zehong Dong +4 more
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Angle-of-Attack Estimation for General Aviation Aircraft
Aerospace, 2023 The angle of attack is one of the most important flight parameters. In the framework of the present study, a flight data recording method was designed to analyze the Valasek angle-of-attack estimation method and investigate its applicability for general ...
Marin Ivanković +3 more
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Research on Guidance Law with Constraint Attack Angle Based on Reinforcement Learning [PDF]
Hangkong bingqi, 2023 Aiming at the problem of designing guidance law to attack surface target at a specific angle, a reinforcement learning guidance law model is constructed by using depth deterministic strategy gradient algorithm, and the model states, reward rules and ...
Kang Bingbing, Jiang Tao, Cao Jian, Wei Xiaoqing
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A Method for Calculating Angle of Attack and Sideslip Angle
Hangkong gongcheng jinzhan, 2021 The airframe of amphibious aircraft is complex,and it is difficult to eliminate the influence of sideslip angle by using single angle of attack sensor.
WEN Qing
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Robust Integrated Guidance and Control Design for Angle Penetration Attack of Multimissiles
International Journal of Aerospace Engineering, 2022 Angle penetration attack ability plays a more and more important role for missiles in modern warfare, and the traditional separate guidance and control system design problem is the key to restrict the improvement of time-sensitive attack and cooperative ...
Huan Zhou, Xin Zhao
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Secondary Acute Angle-Closure Attack: Diagnosis and Management
Siriraj Medical Journal, 2018 Patients may come with acute angle-closure attack that mimics primary disease, but actually there was a hidden cause. Mostly, fellow eye with wide open angle might be a clue for secondary cause. However, an area with high prevalence of narrow angle makes
Sakaorat Petchyim, M.D.
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Design of Three-Dimensional Vector Guidance Law for Attack Time and Angle under Field of View Angle Constraints [PDF]
Hangkong bingqiIn order to enhance the precision of missile strikes on targets, controlling the three-dimensional gui-dance problem involving attack time and attack angle is of significant importance in practical applications.
Xiong Tianhao, Wang Changyuan, Zhang Ke, Su Yu, Guo Zhengyu
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Measurement and estimation of the angle of attack and the angle of sideslip
Aviation, 2015 The paper presents issues concerning the estimation of the angle of attack and the angle of sideslip on a flying object board. Angle of attack and sideslip estimation methods which are based on measurements of linear velocity components of an object with
Stanisław Popowski, Witold Dąbrowski
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Research on Sailing Efficiency of Hybrid-Driven Underwater Glider at Zero Angle of Attack
Journal of Marine Science and Engineering, 2021 The sailing efficiency of an underwater glider, an important type of marine environment detection and data collection equipment, directly affects its range and duration.
Xin Tian, Lianhong Zhang, Hongwei Zhang
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Research on Aircraft Attack Angle Control Considering Servo-Loop Dynamics [PDF]
International Journal of Aerospace Engineering, 2015 This paper presents a novel robust attack angle control approach, which can effectively suppress the impacts from system uncertainties and servo-loop dynamics.
Xiaodong Liu +3 more
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