654   Artículos

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en línea
Omar Hernández-González, Felipe Ramírez-Rasgado, Mondher Farza, María-Eusebia Guerrero-Sánchez, Carlos-Manuel Astorga-Zaragoza, Mohammed M?Saad and Guillermo Valencia-Palomo    
This paper deals with the problem of the estimation of non-uniformly nonlinear systems with time-varying delays in the state and input. In addition, the problem of the sampled output measurement is also been addressed. Thus, an observer design for a clas... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Peilun Ju, Yongfeng Ju and Jiacheng Song    
This paper studies the asymptotic control problem of a class of large-scale high-order nonlinear systems (LSHONSs), and an asymptotic fuzzy adaptive dynamic surface controller is developed. Unknown nonlinear terms are learned online by fuzzy logic system... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Francesco Esposito, Mario Argenziano, Diana Faiella and Elena Mele    
This paper reports a study on the Intermediate Isolation System (IIS) applied to existing buildings. This kind of application is particularly suitable when a vertical addition is planned for buildings in seismic zones; in such a case, an isolation system... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Shyi-Wen Wang     Pág. 7 - 12
Benefit analysis of emergency standby system combined with absorption chiller promoted to cogeneration system is introduced. Economic evaluations of such upgraded projects play a major part in the decisions made by investors. Time-of-use rate structure, ... ver más
Revista: Advances in Technology Innovation    Formato: Electrónico

 
en línea
Bo-Sheng Chen and Ching-Hung Lee    
In this study, we introduce an adaptive model-free coupling controller while using recurrent fuzzy neural network (RFNN) for multi-axis system to minimize the contour error. The proposed method can be applied to linear or nonlinear multi-axis motion cont... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Hanwen Yu, Guiyuan Zheng, Yandong Liu, Jiajia Zhao, Guozhao Wei and Hongkui Jiang    
The potential applications of the dual linear-motor differential-drive system and the numerical analysis results are applicable to high-end equipment fields like suspensions, robotics, optoelectronics, powertrain, integrated electronics, national defense... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Zhaoming Li, Xinyan Yang, Lei Li and Hang Chen    
In order to increase a nonlinear system?s state estimate precision, an iterated orthogonal simplex cubature Kalman filter (IOSCKF) is presented in this study for target tracking. The Gaussian-weighted integral is decomposed into a spherical integral and ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Shuang Ruan, Ming Zhang, Shaofei Yang, Xiaohang Hu and Hong Nie    
A dynamic model is established to investigate the shimmy instability of a landing gear system, considering the influence of nonlinear damping. The stability criterion is utilized to determine the critical speed at which the landing gear system becomes un... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Darja Cirjulina, Ruslans Babajans, Filips Capligins, Deniss Kolosovs and Anna Litvinenko    
This manuscript presents an experimental study of Quadrature Chaos Shift Keying (QCSK) as a means to tighten the physical layer security of Internet of Things (IoT) communication. Our study examines the characteristics and operational aspects of chaos os... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Jian Qin, Zhenquan Zhang, Xuening Song, Shuting Huang, Yanjun Liu and Gang Xue    
In order to enhance the power generation efficiency and reliability of wave energy converters (WECs), an enclosed inertial WEC with a magnetic nonlinear stiffness mechanism (nonlinear EIWEC) is proposed in this paper. A mathematical model of the nonlinea... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Julien Touboul, Veronica Morales-Marquez and Kostas Belibassakis    
The wave?current?seabed interaction problem is studied by using a coupled-mode system developed for modeling wave scattering by non-homogeneous, sheared currents in variable bathymetry regions. The model is based on a modal series expansion of wave veloc... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Fiza Zafar, Alicia Cordero, Husna Maryam and Juan R. Torregrosa    
Power flow problems can be solved in a variety of ways by using the Newton?Raphson approach. The nonlinear power flow equations depend upon voltages Vi" role="presentation">|????|Vi V i and phase angle δ" role="presentation">??d d . An electri... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Yang-Kuei Lin, Chien-Fu Chen and Tien-Yin Chou    
Convenience store chains are many people?s top choice for dining and leisure and have logistics procedures that involve each store receiving multiple deliveries because of the varying delivery periods and suitable temperatures for different goods. The es... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Jian Sun, Yiming Zhang, Haitao Chen and Jinyou Qiao    
Present agricultural practices confront issues such as mismatches between tractors and implements, imprecise machinery allocation, and excessive machinery investment. Optimization of agricultural machinery systems was a potent remedy for these concerns. ... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Junfeng Liu, Yujun Hu, Ji Yao and Qing Zhang    
Tuned mass dampers (TMDs) are widely used as vibration damping devices in engineering practice. However, during use, TMDs inevitably exhibit some nonlinear characteristics that may negatively impact engineering applications. To improve the practical perf... ver más
Revista: Buildings    Formato: Electrónico

 
en línea
Jian Zheng, Wenjun Sun, Yun Li and Jiayin Hu    
In order to solve the multi-objective planning and trajectory tracking control problem related to maritime autonomous surface ships (MASSs), a new design scheme for autonomous navigation is proposed in this paper, with a receding horizon navigation and c... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Yang Yi, Ke Sun, Yongqian Liu, Gang Ma, Chuankai Zhao, Fukang Zhang and Jianhua Zhang    
The wave-energy excitation of point absorbers is highly associated with their resonant movement, and harmonic characteristics are of increasing concern in affecting resonance. However, the commonly used linearized power take-off (PTO) systems underestima... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Jianan Xu, Yiming Wang, Junling Ma and Yong Zhan    
During the rough marine environment, heave compensation is used to offset the heave motion of the vessel when a marine crane lifts and lands the load. Thus, load motion and vessel motion are realized decoupled. In previous studies, the interference items... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Wenbo Gao, Muxuan Pan, Wenxiang Zhou, Feng Lu and Jin-Quan Huang    
Due to the strong representation ability and capability of learning from data measurements, deep reinforcement learning has emerged as a powerful control method, especially for nonlinear systems, such as the aero-engine control system. In this paper, a n... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Yu Tian, Luofeng Wang, Zhongliang Zhou and Renliang Chen    
In order to reveal the mechanism of Category II rotor-body-slung-load coupled oscillation (RBSLCO) with the frequency range of 2.5~8 Hz, a novel nonlinear rigid-elastic coupled model is presented for the helicopter and slung load system (HSLS) with expli... ver más
Revista: Aerospace    Formato: Electrónico

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