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Zhaohui Yao, Yiwen Qi, Wen Bao and Tianhong Zhang
A high-precision variable-thrust control method based on real-time measurement of pintle displacement and closed-loop feedback control is proposed to solve the technical problems of deep throttling variable-thrust regulation and control of pintle liquid ...
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Wenting Li, Xiuhui Zhang, Yunfeng Dong, Yan Lin and Hongjue Li
Multi-stage launch vehicles are currently the primary tool for humans to reach extraterrestrial space. The technology of recovering and reusing rockets can effectively shorten rocket launch cycles and reduce space launch costs. With the development of de...
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Justin R. Mansell, John M. Bellardo, Bruce Betts, Barbara Plante and David A. Spencer
The propellantless thrust of solar sails makes them capable of entirely new classes of missions compared to conventional or electric engines. Initiated in 2010, the Planetary Society?s LightSail program sought to advance solar sail technology with the fl...
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Alice De Oliveira and Michèle Lavagna
This paper introduces a Reusable Launch Vehicle (RLV) descent dynamics simulator coupled with closed-loop guidance and control (G&C) integration. The studied vehicle?s first-stage booster, evolving in the terrestrial atmosphere, is steered by a Thrus...
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Aminurrashid Noordin, Mohd Ariffanan Mohd Basri and Zaharuddin Mohamed
This paper presents the real-time implementation of an altitude-embedded flight controller using proportional, integral, and derivative (PID) control, adaptive PID (APID) control, and adaptive PID control with a fuzzy compensator (APIDFC) for a micro air...
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Danil Ivanov, Goncalo Amaro, Yaroslav Mashtakov, Mikhail Ovchinnikov and Anna Guerman
A formation flying control algorithm using the Lorentz force for Low Earth Orbits to achieve a trajectory with required shape and size is proposed in the paper. The Lorentz force is produced as a result of interaction between the Earth?s magnetic field a...
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Yilin Dou, Kelei Wang, Zhou Zhou, Peter R. Thomas, Zhuang Shao and Wanshan Du
In recent years, the air-drop launch technology of near-space UAVs has attracted much attention. Between downfall from the carrier and the flight control system?s initiation, the UAV presents free-fall movement. This free-fall process is very important f...
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Poh Soon JosephNg, Pin Sen BrandonChan and Koo Yuen Phan
Security remains a top priority for those users in the hotel, even with the advent of innovative technological advances. This is because many tragic incidents, such as theft and crime, have occurred with unrestricted access. This paper proposes an intell...
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Linfeng Su, Jinbo Wang and Hongbo Chen
The mission of hypersonic vehicles faces the problem of highly nonlinear dynamics and complex environments, which presents challenges to the intelligent level and real-time performance of onboard guidance algorithms. In this paper, inverse reinforcement ...
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Dulani Chamika Withanage, Mariko Teramoto and Mengu Cho
Magnetometers are important sensors with applications in the attitude determination and control systems of satellites. CubeSats have certain limitations related to power, mass, and volume. Due to this, CubeSat magnetometers are not separated from other e...
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