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Nonlinear controller design for unmanned helicopter flight platform [PDF]

Scientific Reports
As all phenomenons in nature are nonlinearity, meaning linearity is an ideal case, so large deviation exists for the existing linear control in academy and practice. For classical nonlinear controller design, the commonly used way is firstly to linearize
Wen Ruchun
doaj   +4 more sources

STUDY ON SAFETY TECHNOLOGY SCHEME OF THE UNMANNED HELICOPTER [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Nowadays the unmanned helicopter is widely used for its' unique strongpoint, however, the high failure rate of unmanned helicopter seriously limits its further application and development.
Z. Lin, W. Zhang, S. Chen, T. Liu, Y. Yao   +4 more
doaj   +3 more sources

Research on the aerodynamic characteristics of eVTOL aircraft ducted rotor tip embedded inside the ducted body [PDF]

Scientific Reports
The lift system constitutes a pivotal technology in the makeup of vertical takeoff and landing aircraft systems. The application of ducted rotors in urban air mobility(UAM) has advantages and is one of the future development trends.
Siliang Du, Yi Zha, Chong Li, Zhiming Lu, Qijun Zhao   +4 more
doaj   +2 more sources

An Unmanned Helicopter Energy Consumption Analysis

Energies, 2023
The number of operations incorporating E-VTOL aircrafts is increasing each year, and the optimization of the energy consumption of such vehicles is a major problem.
Marcin Żugaj, Mohammed Edawdi, Grzegorz Iwański, Sebastian Topczewski, Przemysław Bibik, Piotr Fabiański   +5 more
doaj   +2 more sources

A Multiple Sensors Platform Method for Power Line Inspection Based on a Large Unmanned Helicopter [PDF]

Sensors, 2017
Xiaowei Xie, Zhengjun Liu, Caijun Xu
exaly   +2 more sources

Optimization of helicopter and UAV coordinated SAR time [PDF]

Scientific Reports
The optimization of total helicopter-unmanned aerial vehicle (UAV) coordinated search-and-rescue (SAR) time to buy time for follow-up rescue activities is an important problem in air rescue that needs to be solved. In this study, helicopter was used as a
Ming Zhang, Ying Huo, Hanzhi Zhang, Jiale Duan, Faqiang Wen   +4 more
doaj   +2 more sources

Attitude control of mine inspection unmanned helicopter based on cellular membrane computing

Gong-kuang zidonghua, 2021
The effective attitude control of mine inspection unmanned helicopter is an important manifestation of the pros and cons of inspection capabilities.
XU Jiachang1, HUANG Yourui2, LI Hongjin3, LIU Yu4, HAN Tao2   +4 more
doaj   +1 more source

Trajectory Tracking Active Disturbance Rejection Control of the Unmanned Helicopter and Its Parameters Tuning

IEEE Access, 2021
To solve the problem that the trajectory tracking control system of the unmanned helicopter is limited by the accuracy of the physical model (parameters and dynamic characteristics) and external disturbance of the unmanned helicopter, this paper designs ...
Suiyuan Shen, Jinfa Xu
doaj   +1 more source

Unmanned Helicopters [PDF]

Journal of Aircraft and Spacecraft Technology, 2017
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Petrescu, Relly Victoria, Aversa, Raffaella, Akash, Bilal, Berto, Filippo, Apicella, Antonio, Petrescu, Florian Ion Tiberiu   +5 more
openaire   +1 more source

STRENGTH ANALYSIS OF A PROTOTYPE COMPOSITE HELICOPTER ROTOR BLADE SPAR [PDF]

Applied Computer Science, 2022
This paper investigates the strenght of a conceptual main rotor blade dedicated to an unmanned helicopter. The blade is made of smart materials in order to optimize the efficiency of the aircraft by increasing its aerodynamic performance.
Rafał KLIZA, Karol ŚCISŁOWSKI, Ksenia SIADKOWSKA, Jacek PADYJASEK, Mirosław WENDEKER   +4 more
doaj   +3 more sources