49   Artículos

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en línea
Syuan-Yi Chen, Zi-Jie Chien, Wei-Yen Wang and Hsin-Han Chiang    
Linear motors (LMs) are widely used in numerous industry automation where precise and fast motions are required to convert electric energy into linear actuation without the need of any switching mechanism. This study aims to develop a control strategy of... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Seokwon Yeom and In-Jun Cho    
Small unmanned aircraft vehicles (SUAVs) or drones are very useful for visual detection and tracking due to their efficiency in capturing scenes. This paper addresses the detection and tracking of moving pedestrians with an SUAV. The detection step consi... 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
Gang Xue, Yanjun Liu, Zhenjie Shi, Lei Guo and Zhitong Li    
In order to improve the trajectory tracking accuracy of an Underwater Vehicle Manipulator System (UVMS) under uncertain disturbance conditions of ocean current, a Model-free Adaptive Control (MFAC) method was used. Combined with Radial Basis Function Neu... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Junxia Yang, Youpeng Zhang and Yuxiang Jin    
High parking accuracy, comfort and stability, and fast response speed are important indicators to measure the control performance of a fully automatic operation system. In this paper, aiming at the problem of low accuracy of the fully automatic operation... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Nardênio Almeida Martins (Author)     Pág. 1495 - 1507
This paper compares proposed direct adaptive control techniques for robot manipulators in task space coordinates. High precision tracking control of robot manipulators with unknown load has been analyzed. In task space coordinates, a proposed adaptive co... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Xudong Han, Yongling Fu, Yan Wang, Mingkang Wang and Deming Zhu    
The control accuracy and stability of the electrohydrostatic actuator (EHA) are directly impacted by parameter uncertainty, disturbance uncertainty, and non-matching disturbance, which negatively impacts aircraft rudder maneuvering performance and even r... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Junyu Chen and Chusen Lin    
Acquiring accurate space object orbits is crucial for many applications such as satellite tracking, space debris detection, and collision avoidance. The widely used two-line element (TLE) method estimates the position and velocity of objects in space, bu... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Ran Wang, Xin Wang, Mingming Zhu and Yinfu Lin    
Autonomous underwater vehicles (AUVs) are widely used, but it is a tough challenge to guarantee the underwater location accuracy of AUVs. In this paper, a novel method is proposed to improve the accuracy of vision-based localization systems in feature-po... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Jacky C. K. Chow, Jeroen D. Hol and Henk Luinge    
Inertial measurement units (IMUs) are fundamental for attitude control of drones. With the advancements in micro-electro-mechanical systems (MEMS) fabrication processes, size, power consumption, and price of these sensors have reduced significantly and a... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Jacky C. K. Chow, Jeroen D. Hol and Henk Luinge    
Inertial measurement units (IMUs) are fundamental for attitude control of drones. With the advancements in micro-electro-mechanical systems (MEMS) fabrication processes, size, power consumption, and price of these sensors have reduced significantly and a... ver más
Revista: Drones    Formato: Electrónico

 
en línea
Xiu-Zhi Cheng, Da-Rong Zhu, Shen Zhang and Ping He    
In order to solve the problem of poor real-time performance, low accuracy and high computational complexity in the traditional process of locating and tracking of Direction of Arrival (DOA) of moving targets, this paper proposes a DOA algorithm based on ... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Qiuyang Dai, Faxing Lu and Junfei Xu    
Geodetic coordinate information and attitude information of the observation platform are necessary for multi-UAV position alignment and target tracking. In a complex sea environment, the navigation equipment of a UAV is susceptible to interference. High-... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Jianshi Li, Jingtao Lou, Yongle Li, Shiju Pan and Youchun Xu    
This paper proposes a clothoid-curve-based trajectory tracking control method for autonomous vehicles to solve the problem of tracking errors caused by the discontinuous curvature of the control curve calculated by the pure pursuit tracking algorithm. Fi... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Anna Okhitina, Stepan Tkachev and Dmitry Roldugin    
This paper considers a construction procedure of a satellite reference angular motion in the vicinity of an unstable gravitational equilibrium position. The satellite is stabilized on the reference trajectory by the magnetic coils. The problem is solved ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Manh Hung Nguyen, Hoang Vu Dao and Kyoung Kwan Ahn    
In this paper, a novel adaptive robust control (ARC) scheme is proposed for electro-hydraulic servo systems (EHSSs) with uncertainties and disturbances. All dynamic functions in system dynamics are effectively approximated by multi-layer radial basis fun... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Bailun Jiang, Boyang Li, Weifeng Zhou, Li-Yu Lo, Chih-Keng Chen and Chih-Yung Wen    
A dynamic model that considers both linear and complex nonlinear effects extensively benefits the model-based controller development. However, predicting a detailed aerodynamic model with good accuracy for unmanned aerial vehicles (UAVs) is challenging d... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Zhilin Lyu, Weitao Ding, Xiujun Sun, Hongqiang Sang, Ying Zhou, Peiyuan Yu and Lijun Zheng    
Aiming at the problems of difficult attitude stabilization, low landing accuracy, large external disturbance and slow dynamic response during the quadrotor dynamic landing on the wave glider, an improved series active disturbance rejection control method... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Zongyu Chang, Yang Zhang, Zhongqiang Zheng, Lin Zhao and Kunfan Shen    
Underwater vehicle-manipulator system (UVMS) can be applied to fulfill different complex underwater tasks such as grasping, drilling, sampling, etc. It is widely used in the field of oceanographic research, marine exploration, military, and commercial ap... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Qingge Ji, Haoqiang Yu and Xiao Wu    
Based on tracking-by-detection, we propose a hierarchical-matching-based online and real-time multi-object tracking approach with deep appearance features, which can effectively reduce the false positives (FP) in tracking. For the purpose of increasing t... ver más
Revista: Algorithms    Formato: Electrónico

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