[PDF] Top 20 An active control concept for the TALC space telescope
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An active control concept for the TALC space telescope
... each active tendon, which have the interesting property to be unconditionally ...e.g. for particle collider [ 3 ] or gravitational wave detector [ 5 ]. The details of the control ... Voir le document complet
4
The Hidden Robot Concept: a Tool for Control Analysis and Robot Control-based Design
... Robot Control-based Design S´ebastien Briot, Victor Rosenzveig, and Philippe Martinet Abstract Exteroceptive sensors can be used to estimate the robot pose in order to suppress inaccuracies coming from ... Voir le document complet
9
Modeling & control of a space robot for active debris removal
... ABSTRACT Space access and satellites lifespan are increasingly threatened by the great amount of debris in Low Earth Orbits ...Among the many solutions proposed in the literature so far, ... Voir le document complet
18
A novel structure design and control strategy for an aircraft active sidestick
... Then, the linear state feedback control seems to be very attractive to control this kind of actuators since it has the full flexibility of shaping the dynamics of the closed loops ... Voir le document complet
8
Dynamic stabilization of thin aperture light collector space telescope using active rods
... continue the exploration of the universe using the far infrared spectrum, larger space telescopes are ...required. The lesson learned from the James Webb Space ... Voir le document complet
18
Spitzer Space Telescope observations of bilobate comet 8P/Tuttle
... increase the spin rate of the nucleus to the point where cen- trifugal exceed gravitational ...On the other hand, comet 8P/Tuttle has been on a very stable orbit for centuries, and it ... Voir le document complet
15
Development of an active suspension system for adaptive vibration control of helicopter seats
... ABSTRACT The high level vibration of helicopter flight can cause physiological damage to the aircrew and may lead to occupational health ...presents the development of an active ... Voir le document complet
14
A novel structure design and control strategy for an aircraft active sidestick
... Then, the linear state feedback control seems to be very attractive to control this kind of actuators since it has the full flexibility of shaping the dynamics of the closed loops ... Voir le document complet
7
A space weather mission concept: observatories of the solar corona and active regions (OSCAR)
... to the triggering of CMEs and indi- rectly to the development of CIRs that propagate in the solar ...encounter the Earth’s magnetosphere, they trigger strong magnetic reconfigurations known as ... Voir le document complet
15
Active Polarimetric Measurements for Identification and Characterization of Space Debris
... measures the polarization state of light reflecting off or transmitting through a target or target scene [19, ...useful for many applications in target detection and image contrast ...by an external ... Voir le document complet
12
SWAP: a novel EUV telescope for space weather
... ABSTRACT The SWAP telescope (Sun Watcher using Active Pixel System detector and Image Processing) is being developed to be part of the PROBA2 payload, an ESA technological mission to be ... Voir le document complet
12
An LPV Fault Tolerant control for semi-active suspension -scheduled by fault estimation
... tolerant control. In the litterature, there exist many di fferent approaches to estimate a fault which can be either actuator or sensor ...mention the classical methods, based on the parity ... Voir le document complet
7
Space active mirrors - Active optics developments for future large observatories
... to the environment variations, so the structure stability will be- come a major issue in telescopes’ ...in the instrument [McComas, 2002; Kendrew, 2006]. An active telescope ... Voir le document complet
196
A development roadmap for critical technologies needed for TALC: A deployable 20m annular space telescope
... of the key innovative concepts that will be validated experimentally is the new topology for a deployable, segmented mirror that we discussed in the previous section and displayed in Figure 3 ... Voir le document complet
8
Experimental calibration of an active space telescope with flexure joints
... The telescope requires the use of flexure joints to be compatible with space ...model the flexure joints behaviour, it was found that their parasitic shift and generated stress have to ... Voir le document complet
43
Talc a far-infrared 20m space telescope and the ELICSIR consortium to reach TRL 3
... optics control: Implementation of active optics control is a promising avenue to reach high optical quality on large ...reduces the mechanical surface front error requirement by ensuring that ... Voir le document complet
8
A concept of active mount for space applications
... 4. The control architecture use decentralized feedback loops in each active mount, which offers excellent sta- bility ...Although the full design of the suspension will require a ... Voir le document complet
9
Space debris detection and characterization with the 4m International Liquid Mirror Telescope (ILMT)
... 1.1 Space situational awareness Orbital debris present at altitudes ranging from low-Earth orbits (LEO - an altitude of 2000 km or less) to geosynchronous orbits (GEO) consists primarily of expired ... Voir le document complet
164
Active learning and input space analysis for deep networks
... explaining the decision, independently from the nature of the model ...nation. For example, LIME [Ribeiro 2016] is a local approximation of a classi er's prediction that approximates ... Voir le document complet
195
The coordinated control of space robot teams for the on-orbit construction of large flexible space structures
... The systems studied are 3D free-flying space robots with multiple manipulators (see Figure B.1). It is assumed that there is a six- axis force/torque sensor between e[r] ... Voir le document complet
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