Results 21 to 30 of about 379,882 (307)
Low-cost RF 802.11g telemetry for flight guidance system development
The Journal of Engineering, 2019 This work investigates the potential for off-the-shelf hardware to be used as a very low-cost replacement to the expensive missile test telemetry currently used by military equipment suppliers to develop flight guidance systems.
Philip A. Catherwood +2 more
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Navigation Grade MEMS IMU for A Satellite
Micromachines, 2021 This paper presents a navigation grade micro-electromechanical system (MEMS) inertial measurement unit (IMU) that was successfully applied for the first time in the Lobster-Eye X-ray Satellite in July 2020.
Wanliang Zhao +6 more
doaj +1 more source
IMPLEMENTATION STRATEGY OF VISIBLE AND NEAR-INFRARED IMAGING SPECTROMETER ON YUTU-2 ROVER BASED ON VISION MEASUREMENT TECHNOLOGY [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020 The Chang'e-4 successfully landed on the far side of the moon in January 2019. By the 12th lunar day, its Yutu-2 rover had achieved a breakthrough travel distance of greater than 300 m.
T. Yu +12 more
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Autonomous Landing of a UAV on a Moving Platform Using Model Predictive Control
Drones, 2018 Developing methods for autonomous landing of an unmanned aerial vehicle (UAV) on a mobile platform has been an active area of research over the past decade, as it offers an attractive solution for cases where rapid deployment and recovery of a fleet of ...
Yi Feng +4 more
doaj +1 more source
Guidance and control strategies for aerospace vehicles [PDF]
A simplified method of matched asymptotic expansions was developed where the common part in composite solution is generated as a polynomial in stretched variable instead of actually evaluating the same from the outer solution.
Hibey, Joseph L., Naidu, D. S.
core +7 more sources
Angle-Only Cooperative Orbit Determination Considering Attitude Uncertainty
Sensors, 2023 In this paper, a novel concept for cooperative orbit determination (OD) using inter-spacecraft angle-only measurements is proposed. Different from the conventional cooperative OD that only estimates orbit states, the attitude of the observer spacecraft ...
Yishuai Shi +5 more
doaj +1 more source
MathematicsElectromechanical Actuators (EMAs) are critical components in More-Electric Aircraft (MEA) and Reusable Launch Vehicles (RLVs), yet they remain vulnerable to jamming and fatigue failures under high-stress flight maneuvers.
Le Qi
doaj +1 more source
Design of an electrochemical micromachining machine [PDF]
, 2014 Electrochemical micromachining (μECM) is a non-conventional machining process based on the phenomenon of electrolysis. μECM became an attractive area of research due to the fact that this process does not create any defective layer after machining and ...
A Muetze +40 more
core +1 more source
Coordinated Standoff Target Tracking Guidance Method for UAVs
IEEE Access, 2018 We need a coordinated control method to continuously track a moving target using a group of UAVs. In this paper, we study the predicted reference point guidance method, where the target is considered to move with a constant velocity in a very short time ...
Zhuofan Xu +3 more
doaj +1 more source
The control algorithm of whole angle mode for HRG based on the vector composition
EURASIP Journal on Wireless Communications and Networking, 2021 The Hemispherical Resonator Gyroscope (HRG) has many advantages such as high precision, high reliability and long life-time, it is widely used in the space-launcher and the satellites.
Wanliang Zhao +3 more
doaj +1 more source