Results 21 to 30 of about 1,045,314 (288)
Design of electric mechanism system based on Hall zero position sensor
The Journal of Engineering, 2020 Based on the electromagnetic induction Hall zero position sensor, a multi-stage reducer motor structure system with a brush DC motor is designed using an aviation fuel on–off valve.
Mou Pengtao, Liguoqiang, Jiyuan
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Study on Dynamic Model of Hypersonic Aircraft Considering TPS with Ablation Effects [PDF]
Hangkong bingqi, 2021 To indicate the dynamic characteristics of hypersonic aircraft gliding in the whole atmosphere, a calculation model of section stiffness considering thermal protection system(TPS) and ablation effects is proposed.
Wang Liang, Zhang Yan, Cai Yipeng, Cai Wenjie
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Research on reconfiguration time analysis method of integrated modular avionics system
Dianzi Jishu Yingyong, 2022 As the uncertainty and diversity of the reconstruction of the integrated modular avionics system lead to complex problems of the system state, the reconstruction time under different reconstruction modes is analyzed.
Zheng Xiaopeng +2 more
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Thermodynamic effect of single bubble near a rigid wall
Ultrasonics Sonochemistry, 2021 The objective of this paper is to numerically investigate the thermodynamic effect during bubble collapse near a rigid boundary. A compressible fluid model is introduced to accurately capture the transient process of bubble shapes and temperature, as ...
Qidong Yu +5 more
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Design and Motion Control Strategies for an Omniwheel System
MachinesSpace debris mitigation is a pivotal endeavor essential for sustaining human space exploration. To address the challenges posed by irregularly shaped, variably sized, and dynamically unpredictable debris in orbit, this paper proposes a mechanical design ...
Jiaqi Duan +6 more
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Autopilot Design for a Compound Control Small-Scale Solid Rocket in the Initial Stage of Launch
International Journal of Aerospace Engineering, 2019 In this paper, an autopilot design method for a compound control small-scale solid rocket is proposed. The rocket has multiple actuators, including a flexible nozzle for pitching and yawing channels, aerodynamic fins for rolling channel, and lateral ...
Tian Dong, Changjian Zhao, Zhiguo Song
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Computational Analysis of an LOx Supply Line System of an Liquid Rocket Engine [PDF]
Journal of Astronomy and Space Sciences, 2009 A computational fluid analysis was performed on an LOx line system of a liquid rocket engine. The model was created with 3D CAD and imbedded to the 3D CFD program.
Insang Moon, Il Yoon Moon, Soo Yong Lee
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ADRC Attitude Controller Design for Hypersonic Vehicle based on MIMO-ESO
MATEC Web of Conferences, 2018 For the hypersonic vehicle nonlinear attitude mode in reentry process with a strong coupling, aerodynamic parameter perturbations and non-deterministic, combine extended state observer and nonlinear law state error feedback, design the hypersonic vehicle
Wen JianHua, Qin ChangMao, Zhang Xin
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A Comprehensive Evaluation Method of Sensor Selection for PHM Based on Grey Clustering
Sensors, 2020 Sensor selection plays an essential and fundamental role in prognostics and health management technology, and it is closely related to fault diagnosis, life prediction, and health assessment.
Fei Guan +3 more
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Cailiao gongchengThe microstructure and mechanical properties of the samples located at the surface and core of the spray-quenched 2219-T6 aluminum alloy thick plate are studied.
LIU Hongliang +6 more
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