Results 31 to 40 of about 559,308 (225)
International Journal of Prognostics and Health Management, 2018 An enhanced model based approach to monitor friction within Electromechanical Actuator (EMA) ballscrews using motor current is presented. The research was motivated by a drive in the aerospace sector to implement EMAs for safety critical applications to ...
Yameen M. Hussain +3 more
doaj +1 more source
Deployment of Solar Sails by Joule Effect: Thermal Analysis and Experimental Results
Aerospace, 2020 Space vehicles may be propelled by solar sails exploiting the radiation pressure coming from the sun and applied on their surfaces. This work deals with the adoption of Nickel-Titanium Shape Memory Alloy (SMA) elements in the sail deployment mechanism ...
Gianluigi Bovesecchi +4 more
doaj +1 more source
A Hybrid Model of a Genetic Regulatory Network in Mammalian Sclera [PDF]
EPTCS 125, 2013, pp. 99-105, 2013 Myopia in human and animals is caused by the axial elongation of the eye and is closely linked to the thinning of the sclera which supports the eye tissue. This thinning has been correlated with the overproduction of matrix metalloproteinase (MMP-2), an enzyme that degrades the collagen structure of the sclera.
arxiv +1 more source
Research progress in graphene reinforced aeronautical metal matrix composites
Cailiao gongcheng, 2019 The research status of graphene reinforced metal matrix aeronautical composites was reviewed, and its preparation methods were summarized. The effect of graphene on the properties of composites and mechanisms were discussed.
ZHANG Dan-dan +6 more
doaj +1 more source
Strain Measurement on Cracks Using Fiber Bragg Gratings for Use in Aircraft Composite Skin Repairs
Aerospace, 2020 Fiber Bragg grating (FBG) sensors have been widely used for measurements of strain and temperature in a host of different applications, including aerospace in composite wings, fuselage structures, and other critical components.
Aris A. Ikiades
doaj +1 more source
Indian Journal of Dermatology, 2017 Evolutionarily, man is a terrestrial mammal, adapted to land. Aviation and now space/microgravity environment, hence, pose new challenges to our physiology. Exposure to these changes affects the human body in acute and chronic settings. Since skin reflects our mental and physical well-being, any change/side effects of this environment shall be detected
openaire +3 more sources
Special issue on evolutionary computation in aerospace sciences [PDF]
, 2011 The main objective of this special issue is to portray the diverse efforts made in the application of evolutionary computation techniques, or related methods, to aerospace problems.
Vasile, Massimiliano
core +1 more source
Acoustic Sensors for Air and Surface Navigation Applications
Sensors, 2018 This paper presents the state-of-the-art and reviews the state-of-research of acoustic sensors used for a variety of navigation and guidance applications on air and surface vehicles.
Rohan Kapoor +4 more
doaj +1 more source
Aerospace Sliding Mode Control Toolbox: Relative Degree Approach with Resource Prospector Lander and Launch Vehicle Case Studies [PDF]
arXiv, 2021 Conventional Sliding mode control and observation techniques are widely used in aerospace applications, including aircrafts, UAVs, launch vehicles, missile interceptors, and hypersonic missiles. This work is dedicated to creating a MATLAB-based sliding mode controller design and simulation software toolbox that aims to support aerospace vehicle ...
arxiv
, 1985 A dual structure aerospace vehicle is described which has an aeroshell structure and an internally disposed separable and reusable integral tank/thrust structure.
Jackson, L. R., Taylor, A. H.
core +1 more source