[PDF] Top 20 Analytical sun synchronous low-thrust manoeuvres
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Analytical sun synchronous low-thrust manoeuvres
... straightforward analytical control law for transfers between Sun-synchronous orbits, potentially suitable for use on an autonomous craft, unlike the fully optimised ...the analytical control ... See full document
18
Semi-analytical solution for the optimal low-thrust deflection of near-Earth objects
... a low-thrust action, inversely proportional to the square of the distance from the Sun, is applied to the ...semi- analytical approach provides a significant saving in computational time while ... See full document
26
Solar radiation pressure augmented deorbiting from high altitude sun-synchronous orbits
... the analytical expressions were reasonably accurate at predicting the behaviour for low inclination ...modified analytical approach is needed to investigate the application of SRP-augmented ... See full document
14
Extension of Martian orbits using continuous low-thrust propulsion
... Continuous low-thrust propulsion has been shown to enable novel orbits around Mars for enhanced remote ...of Sun-synchronous orbits around ...Mean Sun whilst maintaining a constant ... See full document
18
Optimised low-thrust mission to the Atira asteroids
... The asteroids are assumed to move on Keplerian orbits as a solution of a two-body Sun-Asteroid problem. The trajectories are composed of sequences of conic arcs linked together through discrete, instantaneous ... See full document
35
Extension of earth orbits using low-thrust propulsion
... of low-thrust propulsion applied to conventional orbits to produce novel orbits to enable new EO mission design in a similar manner to the extension of the Sun-synchronous orbit for free ... See full document
13
Analytical, circle-to-circle low-thrust transfer trajectories with plane change
... develop analytical approximations of circle-to- circle low-thrust trajectory transfers with plane-change about the ...or thrust, electric propulsion, solar sail propulsion and combined, or ... See full document
25
Novel orbits of Mercury and Venus enabled using low-thrust propulsion
... Continuous low-thrust propulsion is used to extend the critical inclination of highly elliptical orbits at each planet, which are shown to require very small acceleration ...natural ... See full document
21
Novel orbits of Mercury, Venus and Mars enabled using low-thrust propulsion
... continuous low-thrust directed out of the orbit plane to ensure that the rate of change of ascending node of the orbit matches the mean rotation of the Sun, and achieve sun-synchronous ... See full document
26
CAMELOT - computational-analytical multi-fidelity low-thrust optimisation toolbox
... The first Atira object was discovered in 2003 and, as of December 2014, only fourteen asteroids are counted in this group. However, many more objects are expected to exist in the same region of the Solar System. To date, ... See full document
10
Extension of the Molniya orbit using low-thrust propulsion
... Traditionally, Polar observation is conducted using a Sun-synchronous orbit, where Earth imaging is conducted taking measurements over a strip building up an image of a particular location. The problem ... See full document
20
Extension of the sun-synchronous Orbit
... desired thrust is along the radial direction. Recall that the required thrust for a non-natural Sun-synchronous orbit is out of the orbit plane and hence decoupled from the thrust ... See full document
15
Sun-synchronous highly elliptical orbits using low-thrust propulsion
... UE to restrictions within the current architecture of the global observing system (GOS), space-based remote sensing of Earth suffers from an acute data-deficit over the critical polar-regions. Currently, observation of ... See full document
15
Low-thrust tour of the main belt asteroids
... the low-thrust tour of the main asteroid ...a low-thrust analytical model that provides nearly optimal solutions with coast and thrust ... See full document
19
Tensile overpressure compartments on low angle thrust faults
... form low-permeabil- ity seals promoting development of overpressure, and restores cohesion across existing fractures prevent- ing shear localization (Kawabata et ...Cove thrust zone at Marin Headlands ... See full document
15
Optimal Guidance of Low Thrust Interplanetary Space Vehicles
... ABSTRACT The low-thrust guidance problem is defined as the minimum terminal variance MTV control of a space vehicl e subjected to random perturbations of its trajectory ... To accomplish[r] ... See full document
150
Low thrust propulsion in a coplanar circular restricted four body problem
... the Sun-Earth-Moon-Spacecraft system, highlight the lack of regions of “good stability properties” in the vicinity of the triangular lagrangian points of the smaller, perturbed ... See full document
31
Subsonic Unmanned Anti Tank System SKORPION II—Launches and Recovers
... Extremely low flight altitude, significant speed, and manoeuvres using terrain, a small reflecting surface, and no radio emission make the SUAS (like its protoplasts—manoeuvring missiles) one of the most ... See full document
20
Artificial halo orbits for low-thrust propulsion spacecraft
... McInnes et al. [7] show continuous surfaces of AEPs can be generated in the CRTBP for a solar sail low-thrust propulsion system, but only in certain allowed regions. These AEPs are characterized by the sail ... See full document
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