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Shuai Ma, Xugang Wang and Zhongyuan Wang
The problem of impact time control guidance with field-of-view constraint is addressed based on time-varying sliding mode control. The kinematic conditions that satisfy the impact time control with field-of-view constraint are defined, and then a novel t...
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Hang Ding, Dongdong Wang, Chuanjun Li, Xiao Liang and Xingcheng Li
The target can deceive the flight vehicle by releasing an infrared decoy to make the line-of-sight (LOS) angle rate deflect greatly, thus causing the flight vehicle to miss the target. Therefore, in order to accurately strike the target in complex advers...
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Zhanyuan Jiang, Jianquan Ge, Qiangqiang Xu and Tao Yang
The paper proposes a two-dimensional impact time control cooperative guidance law under constant velocity and a three-dimensional impact time control cooperative guidance law under time-varying velocity, which can both improve the penetration ability and...
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Qingli Shi, Hua Wang and Hao Cheng
This paper addresses the issue of a complex three-dimension (3-D) terminal guidance process that is used against maneuvering targets while considering both the terminal impact angle (TIA) and field-of-view (FOV) angle constraints. According to the highly...
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Yi Ren, Lei Zhang, Wenbin Huang and Xi Chen
This study describes a circular curve path-following controller for an underactuated unmanned surface vessel (USV) experiencing unmodeled dynamics and external disturbances. Initially, a three degrees of freedom kinematic model of the USV is proposed for...
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Ziqiang Hu, Lei Wei, Lin Yang, Yansong Wang and Yuanpeng Fan
Structural vibration has always been a major concern in the engineering field. A dynamic vibration absorber in the form of contacts with adjustable stiffness (CDVA) offers effective vibration suppression and can improve conventional dynamic vibration abs...
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Sijia Tao, Guangtai Shi, Yexiang Xiao, Zongliu Huang and Haigang Wen
When the multiphase pump is running, the internal medium often exists as bubble flow. In order to investigate the bubble occurrence characteristics in the pressurization unit of the multiphase pump more accurately, this paper couples computational fluid ...
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Shuai Zheng, Yumin Su, Jiayuan Zhuang, Yueqi Tang and Guangjie Yi
The development of dynamic positioning (DP) algorithms for an unmanned surface vehicle (USV) is attracting great interest, especially in support of complex missions such as sea rescue. In order to improve the simplicity of the algorithm, a DP algorithm b...
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Quancheng Li, Yonghua Fan, Tian Yan, Xuechao Liang and Jie Yan
Aimed at the poor performance of guidance algorithms designed based on a linearized model in active defense under large leading angle deviation, both-way and one-way cooperative sliding mode guidance algorithms based on the smooth nonsingular terminal sl...
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Mingkun Guo, Guangqing Xia, Feng Yang, Cong Liu, Kai Liu and Jingnan Yang
This paper studies a cooperative encirclement interception guidance law against a maneuvering target that utilizes a leader?follower control scheme. The control design is decoupled into two parts. In the line-of-sight (LOS) direction, a fixed-time distri...
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Changwen Su, Yue Lin, Tien-Mo Shih, Hao Lu, Yang Gao, Jia-En Huang, Yi-Jun Lu, Tingzhu Wu, Zhong Chen and Weijie Guo
For the past few years, the transfer printing method has been developed and has secured numerous advantages. Here, via both experiments and analyses, we have focused on identifying key parameters and optimizing their values in the fabrication process of ...
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Ghassan Atmeh and Kamesh Subbarao
This paper deals with the control of lighter-than-air vehicles, more specifically the design of an integrated guidance, navigation and control (GNC) scheme that is capable of navigating an airship through a series of constant-altitude, planar waypoints. ...
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Xiaojun Yu, Shibin Luo and Haiqiao Liu
Focusing on the large maneuver penetration of the hypersonic glide vehicle with multiple constraints and uncertain disturbance, a robust integrated guidance and control law, which can achieve the snake-shape maneuver, is designed. A snake-shape maneuver ...
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Youzhi Mi, Meng Liu, Hao Wu, Jun Wang and Ruikai Zhao
Hypersonic vehicles are an important area of research in the aerospace field today. One of the important issues is the power of the engine. In order to achieve large-span flight speeds, a more efficient approach is to use combined power systems. However,...
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Simone Battistini, Giulio De Angelis, Mauro Pontani and Filippo Graziani
Modern space missions often require satellites to perform guidance, navigation, and control tasks autonomously. Despite their limited resources, small satellites are also involved in this trend, as in-orbit rendezvous and docking maneuvers and formation ...
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Jin Liao, Chang Xia, Yongtao Wu, Zhen Liu and Cuiying Zhou
The intelligent prediction of surrounding rock deformation is of great significance for guiding the design and construction of tunnel projects in coastal areas. The deformation of tunnels in coastal areas is more complex than that of the ground, and the ...
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Yanwei Huang, Xiaocheng Shi, Wenchao Huang and Shaobin Chen
Since the sideslip angle is often ignored or simplified in the process of path following of unmanned surface vehicle by using the line-of-sight (LOS) guidance law because of its fast change and the difficulty of measurement, an observer was proposed by i...
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Haitong Xu, Miguel A. Hinostroza and C. Guedes Soares
A modified path-following control system using the vector field method for an underactuated autonomous surface ship model is proposed in the presence of static obstacles. With this integrated system, autonomous ships are capable of following the predefin...
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Lukasz Tomczyk
This paper sets out to explain how adolescents interpret piracy. Digital piracy is one of the most important risk behaviours mediated by new media to be found among adolescents. It is global, and changes dynamically due to the continued development of th...
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