HELICOPTER

作品数:200被引量:400H指数:10
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相关领域:航空宇航科学技术更多>>
相关作者:高正姜斌张呈林李攀夏品奇更多>>
相关机构:南京航空航天大学北京航空航天大学清华大学北京理工大学更多>>
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High-precision trajectory tracking control of helicopter based on ant colony optimization-slime mould algorithm
《Chinese Journal of Aeronautics》2025年第1期395-408,共14页Binwu REN Siliang DU Zhuangzhuang CUI Yousong XU Qijun ZHAO 
support of the National Natural Science Foundation of China(No.12032012);the Priority Academic Program Development of Jiangsu Higher Education Institutions,China。
To achieve high-precision trajectory following during helicopter maneuver tasks and reduce the disruptive influences of unknown variabilities,this study introduces a cascaded-loop helicopter trajectory tracking contro...
关键词:Flight control systems HELICOPTER ADRC Trajectory tracking ACO-SMA Spiral ascent "8"shape climbing 
Dynamic Characterization of Helicopter Main Reducer Planetary Drive System under Several Typical Flight Conditions
《Advances in Aerospace Science and Technology》2024年第4期167-177,共11页Lin Yang Fengqiang Qian Xiangyan Meng Wenjin Zhou 
The transmission system is a critical power component of helicopters, playing an indispensable role in power transmission. Among its key elements, the planetary gear system is an essential part of the helicopter trans...
关键词:HELICOPTER Transmission System Dynamic Modeling Planetary Drive System Flight Condition 
Helicopter Maneuver Trajectory Tracking Control Based on Implicit Model and LADRC
《Transactions of Nanjing University of Aeronautics and Astronautics》2024年第6期739-749,共11页REN Binwu CUI Zhuangzhuang XU Yousong DU Siliang ZHAO Qijun 
supported in part by the National Natural Science Foundation of China(No.12032012);the Key Discipline Construction Project of Colleges and Universities in Jiangsu Province.
To enhance the stability of helicopter maneuvers during task execution,a composite trajectory tracking controller design based on the implicit model(IM)and linear active disturbance rejection control(LADRC)is proposed...
关键词:HELICOPTER trajectory tracking implicit model(IM) proportional-integral-derivative(PID) linear active disturbance rejection control small disturbance linearization spiral up Ranversman maneuver 
Research on Accessibility Factors of Metal Particles and Structural Optimization of Intermediate Gearbox in a Helicopter
《Transactions of Nanjing University of Aeronautics and Astronautics》2024年第6期766-782,共17页LU Fengxia WANG Honglin WEI Kun LENG Sheng 
supported by the Na‑tional Natural Science Foundation of China(No.52075241);the National Key Laboratory of Science and Technology on Helicopter Transmission(Nanjing University of Aeronau‑tics and Astronautics)(Nos.HTL-A-22K04 and HTL-O21G13).
The intermediate gearbox of a helicopter operates under splash lubrication.If the bearing produces metal particles due to insufficient lubrication or wear,whether it can be adsorbed by the metal particles signal at th...
关键词:intermediate gearbox splash lubrication metal particles CFD three-phase flow 
Distributed active vibration control for helicopter based on diffusion collaboration
《Chinese Journal of Aeronautics》2024年第8期208-232,共25页Yang YUAN Yang LU Xunjun MA Jingliang LI Huiyu YUE 
The active vibration control technology has been successfully applied to several helicopter types.However,with the increasing of control scale,traditional centralized control algorithms are experiencing significant in...
关键词:HELICOPTER Active vibration control Diffusion collaboration Distributed control EXPERIMENT 
Robust-augmentation nonlinear dynamic inversion control of over-actuated coaxial high-speed helicopter in transition mode
《Chinese Journal of Aeronautics》2024年第8期404-420,共17页Yuqing QIU Yan LI Jinxi LANG Yuxian LIU Zhong WANG 
As the elevator and rudder can be used actively for control,in addition to the rotors,Coaxial High-speed Helicopters(CHHs)have the problems of control redundancy and changing control authority in the transition mode.T...
关键词:Coaxial high-speed helicopter Transition mode Attitude control Control allocation Robust adaptive control 
High-efficiency prediction method for helicopter global/ground noise based on near-field acoustic holography
《Chinese Journal of Aeronautics》2024年第7期271-284,共14页Mengxue SHAO Yang LU Xice XU Jiaxin LU 
supported by the National Key Research and Development Program of China(No.2021YFB3400100).
Noise reduction program design is an effective approach that relies on efficient noise prediction for reducing ground noise during flight.The existing noise prediction methods have the limitations of being computation...
关键词:HELICOPTER Rotor noise prediction Noise abatement procedure design Acoustic modal analysis Near-field acoustic holography 
Data-driven active vibration control for helicopter with trailing-edge flaps using adaptive dynamic programming
《Chinese Journal of Aeronautics》2024年第6期151-166,共16页Yu CHEN Qun ZONG Xiuyun ZHANG Jinna LI 
co-supported by the National Natural Science Foundation of China(Nos.62022060,62073234,62073158,62373268,62373273);the Basic Research Project of Education Department of Liaoning Province,China(No.LJKZ0401).
The helicopter Trailing-Edge Flaps(TEFs)technology is one of the recent hot topics in morphing wing research.By employing controlled deflection,TEFs can effectively reduce the vibration level of helicopters.Thus,desig...
关键词:Active control Adaptive dynamic program-ming Helicopter rotor Vibration control Zero-sum game 
Adaptive predictor-based control for a helicopter system with input delays:Design and experiments
《Journal of Automation and Intelligence》2024年第1期50-56,共7页Siri Marte Schlanbusch Jing Zhou 
partially supported by the DEEPCOBOT project under Grant 306640/O70 funded by the Research Council of Norway.
In this paper,we consider a 2-degrees-of-freedom(DOF)helicopter system subject to long input delays and uncertain system parameters.To address the challenges including unknown system parameters and input delays in con...
关键词:Adaptive control BACKSTEPPING Helicopter system Time delays 
Sliding mode observer-based fault detection for helicopter system被引量:3
《Journal of Control and Decision》2023年第4期465-475,共11页M.Raghappriya S.Kanthalakshmi 
Fault detection of non-linear systems is of great importance in control systems reliability.Undetected faults could lead to irreparable damage.This paper deals with fault diagnosis of helicopter system in the presence...
关键词:Fault diagnosis sliding mode observer sensor actuator and component faults residual generation 
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