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Future Model for Efficient and Advanced Space Transportation: Exploration and Perspectives [PDF]
Current space transportation employs a multistage rocket system to deliver the payload to its destination in a single launch, and this integrated model significantly constrains payload capacity for medium-high earth orbits and deep-space missions ...
Haipeng Chen +4 more
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Progress and Bottlenecks in Large-Scale Commercial Space Transportation Systems [PDF]
With global space activities shifting from an exploration-oriented focus to large-scale development and utilization, low-cost, “airline-mode”, and high-capability space transportation capabilities have become the critical foundation for supporting the ...
Xiaowei Wang, Zhengyu Song, Weimin Bao
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Guidance and Control Method for Vehicle with Strap-down Seeker [PDF]
Guidance and control method was presented in this paper for flight vehicle with a strap-down seeker. Firstly, an extended Kalman filter was constructed in LOS (line of sight) coordinate system to estimate the guidance signal based on the information ...
Fugui Li +6 more
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Mixed Sensitivity Servo Control of Active Control Systems
The aircraft control system of the future will be a combination of fly-by-wire technology and Active Control System (ACS) which, based on the artificial feel system, provides a control strategy for both position and force. The ACS has uncertainties, such
Yanjun Zhou +3 more
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A Novel Robust Adaptive Backstepping Method Combined with SMC on Strict-Feedback Nonlinear Systems Using Neural Networks [PDF]
Adaptive backstepping methodology is a powerful tool for nonlinear systems, especially for strict-feedback ones, but its robustness still needs improvements.
Li Yahui +7 more
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Lithium battery has been widely applied as new energy to cope with pressures in both form environment and energy. The remaining useful life (RUL) prognostics of lithium-ion batteries have become more critical.
Zhiwei Chen +5 more
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Research on Aircraft Attitude Control Method Based on Linear Active Disturbance Rejection
In this paper, a dual-loop active disturbance rejection attitude controller design method is proposed for the attitude control of aircraft. Firstly, based on the nonlinear dynamic model of aircraft, the control system model with inner loop as angular ...
Zhiguo Song +5 more
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Efficient Non-Uniform Pilot Design for TDCS
The Internet of Things (IoT) leads the era of interconnection, where numerous sensors and devices are being introduced and interconnected. To support such an amount of data traffic, wireless communication technologies have to overcome available spectrum ...
Cheng Chang +4 more
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The thermal performance of phase change materials (PCM) embedded with fins and metal foam is investigated. Plate fins are attached to the enclosure, and metal foam is embedded between adjacent fins to enhance heat transfer.
Chen Ding, Liang Wang, Zhiling Niu
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Damage Boundary Study of Crystal Oscillators under Shock Environment
The crystal oscillator is a widely used electronic component in a circuit, whose accuracy is strongly affected by the external mechanical environment. To depict the failure mechanism of the crystal oscillator, the damage boundary of this component under ...
Changjian Zhao +5 more
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