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Kai Masuda and Kenji Uchiyama
This paper describes the design method of a flight control system of a Quad Tilt-Wing (QTW) Unmanned Aerial Vehicle (UAV). A QTW-UAV is necessary to design a controller considering its nonlinear dynamics because of the appearance of the nonlinearity duri...
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Kai Masuda and Kenji Uchiyama
This paper describes the design method of a flight control system of a Quad Tilt-Wing (QTW) Unmanned Aerial Vehicle (UAV). A QTW-UAV is necessary to design a controller considering its nonlinear dynamics because of the appearance of the nonlinearity duri...
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Jiaqi Chen, Jinyu Wang, Shulong Feng, Zitong Zhao, Mingjia Wang, Ci Sun, Nan Song and Jin Yang
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Gongfa Chen, Xuedi Chen, Linqing Yang, Zejun Han and David Bassir
Based on the spectral element method (SEM) and a convolutional neural network (CNN), an inversion algorithm for the dynamic modulus of concrete pavement structures is proposed in this paper. In order to evaluate the service performance of pavement struct...
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Yuantian Qin, Yucheng Zhang, Vadim Silberschmidt and Luping Zhang
The location identification of dynamic load is an important part of load-identification technology. Traditional methods are mostly aimed at the identification of dynamic load?s amplitude and phase. A new method for dynamic load location identification is...
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Yanpeng Hu, Jin Guo, Pei Ying, Guannan Zeng and Nanyu Chen
This paper explores a novel single tail tilt servomotor tri-rotor ducted vertical takeoff and landing unmanned aerial vehicle system (VTOL-UAV), and proposes a compound control method combining disturbance observer, model predictive control (MPC) and sli...
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Lixin Wang, Kun Yang, Peng Zhao and Ting Yue
For aircraft employing the fly-by-wire technique, the closed-loop dynamic characteristics are determined by both the configuration design and the flight control system. As the capacity of the control system has certain limitations, the configuration para...
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Chang-ho Ji, Chongsup Kim and Byoung Soo Kim
Highly maneuverable fighter aircraft are equipped with various weapons including a gun firing system for successful air-to-air and air-to-ground missions. In the gun firing system, the muzzle is usually positioned at an offset from the centerline of the ...
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Wen Chen, Kaijun Ren, Yongchui Zhang, Yuyao Liu, Yu Chen, Lina Ma and Silin Chen
The sound speed profile (SSP) is a necessary prerequisite for acoustic field computation and underwater target localization and monitoring. Due to the dynamic nature of the ocean, the reconstruction of SSPs with surface characteristics is a big challenge...
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Malgorzata Jaworska, Elzbieta Sikora, Jan Ogonowski
Pág. 43 - 48
The aim of this work was preparation and characterization of nanoemulsions containing Caprylic/Capric Triglyceride, Caprylic/Capric/Linoleic Triglyceride and Caprylic/Capric/Succinic Triglyceride as the oil phase. Stable emulsion system was obtained by u...
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Sri Atmaja P. Rosidi
Pág. pp. 42 - 48
The Spectral Analysis of Surface Wave (SASW) method is a non-destructive in situ seismic technique used to assess and evaluate the material stiffness (dynamic elastic modulus) and thickness of pavement layers at low strains. These values can be used anal...
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Lingquan Cheng, Yiyang Li, Jiayi Yuan, Jianliang Ai and Yiqun Dong
Morphing aircraft are able to keep optimal performance in diverse flight conditions. However, the change in geometry always leads to challenges in the design of flight controllers. In this paper, a new method for designing a flight controller for variabl...
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Chang-ho Ji, Chong-sup Kim and Byoung-Soo Kim
Highly maneuverability fighter aircrafts are equipped with various weapons for successful air-to-air and air-to-ground missions. The aircraft has abrupt transient response due to ejection force generated when store of one wing is launched and the movemen...
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Shaojie Zhang, Han Zhang and Kun Ji
In this paper, an incremental nonlinear dynamic inversion (INDI) control scheme is proposed for the attitude tracking of a helicopter with model uncertainties, and actuator delay and saturation constraints. A finite integral compensation based on model r...
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Yang Chao, Chaoning Lin, Tongchun Li, Huijun Qi, Dongming Li and Siyu Chen
Aiming to investigate the problem that dam-monitoring data are difficult to analyze in a timely and accurate automated manner, in this paper, we propose an automated framework for dam health monitoring based on data microservices. The framework consists ...
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Kaiyang Guo, Pan Tang, Hui Wang, Defu Lin and Xiaoxi Cui
Landing on a moving platform is an essential requirement to achieve high-performance autonomous flight with various vehicles, including quadrotors. We propose an efficient and reliable autonomous landing system, based on model predictive control, which c...
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Carlo Calledda, Augusto Montisci and Maria Cristina Porcu
An effective seismic design entails many issues related to the capacity-based assessment of the non-linear structural response under strong earthquakes. While very powerful structural calculation programs are available to assist the designer in the code-...
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Joseph F. Horn
Flight control design for rotorcraft is challenging due to high-order dynamics, cross-coupling effects, and inherent instability of the flight dynamics. Dynamic inversion design offers a desirable solution to rotorcraft flight control as it effectively d...
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Long Li, Yiming Peng, Yifeng Wang, Xiaohui Wei and Hong Nie
Arresting gear systems play a vital role in carrier-based aircraft landing. In order to accurately understand the process of arresting hook and cable, this study introduces a parameter inversion method to model the arresting cable and applies it to the t...
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