trajectory design
Trajectory Design and Optimization for LEO Satellites in Formation to Observe GEO Satellites’ Beams
... tion (CTOC9). The formation is designed according to the observation de- mands. The flying sequence is determined by a reference satellite using a proposed improved ephemeris matching method (IEMM). The formation is ...
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On testing global optimization algorithms for space trajectory design
... In this paper we discuss the procedures to test a global search algorithm applied to a space trajectory design problem. Then, we present some performance indexes that can be used to evaluate the ...
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Analysis of some global optimization algorithms for space trajectory design
... In theory, given a limited computational effort, we would like to know the probability that an optimization algorithm A finds the global optimum of a given problem p. However, such a probability does not necessarily ...
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Potential effects of optical solar sail degredation on trajectory design
... for trajectory design do not take optical degradation into account, hence its potential effects on trajectory design have not been investigated so ...mission design, because it ...
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Discrete Mechanics and Optimal Control for Space Trajectory Design
... It is impractical to optimize nonlinear problems, particularly those in trajectory design, using DMOC with a constant step size. Different strategies can be em- ployed to circumvent this issue such as using ...
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4 Point Minimal Pick & Place Trajectory Design in Robotics
... The theoretical concepts of a 4-point minimal pick & place trajectory was developed in this paper along with the mathematical formulations. For the robot to do a particular task, speed is one of the important ...
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Transfer Trajectory Design for Mars Exploration
... transfer trajectory is designed for Mars exploration based on combination of invariant manifolds, differential correction and aerobraking meth- ...transfer trajectory is divided into four ...transfer ...
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Optimal trajectory design for interception and deflection of Near Earth Objects
... the design of optimal transfers to the interception of dangerous ...of design parameters and hence requires the use of preliminary design techniques (usually under the hypothesis of two-body problem ...
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Testing approaches for global optimization of space trajectories
... function evaluations, on the other hand, the repeatability of the result and therefore the reliability of the method can be questionable. The first actual assessment of the suitability of global optimization method to ...
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Trajectory optimization for the Hevelius-lunar microsatellite mission
... The trajectory design process split the orbit in two main branches: the former is propagated forward in time from the Earth parking orbit while the latter is integrated backward in time from a lunar orbit ...
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Variable Lift Control of a Space Vehicle During the Re-Entry into Martian Atmosphere
... Re-entry trajectory design problem of a space capsule into the Martian atmosphere is investigated within the context of modern control theory.. The optimal control [r] ...
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ASCENT TRAJECTORY AND GUIDANCE DESIGN WITHOUT BLACK ZONE
... Delivering the crew to orbit more safely is the most important consideration governing future space missions. One of the most important requirements governing this is the capability of the guidance scheme to handle ...
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Design and development of stairs climbing trajectory for lower limb assistive device
... The trajectory angle for hip and knee of stairs climbing is study by referring to the study from DR ...of trajectory of limb assistive device is precise to prevent it move ...the design is needed to ...
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The liminality of trajectory shifts in institutional entrepreneurship
... a trajectory shift—that is, when a new innova- tion trajectory is conceived—the new trajectory is frag- ile relative to the established ...unfamiliar trajectory is always at risk of being ...
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CHARMS OF ‘FRUGAL+SHANZHAI’ (B): A REVERSED PATH-DEPENDENT MODEL FOR DEVELOPING COUNTRY FIRMS TO CATCH UP
... frugal design, nor able to accomplish its goal of the preset-price-cap (Tata Technologies, ...those design partners such as Dassault, Siemens, Bosch, were activated to engage in the collaboration of ...
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Abstract: -The CubeSat design process is comprised of choice of its trajectory, determination of components
... the design and the manufacturing of a CubeSat platform. The SmallSat design process is comprised of choice of its trajectory, determination of components and main parameters, systems, development of ...
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Vol 5, No 2 (2017)
... The triangular shape of the support polygon for each tripod means that a rigid legged walker will be completely fixed in space once the legs are in contact with the ground. There would be no rocking, and the orientation ...
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Implementation of Mooring Automatic Positioning System for Deepwater Semi Submersible Platform Based on Dual Stage Actuator
... High speed motion and high precision positioning is the two key issues, meanwhile, which are two conflicting performance requirements. High speed motion should fully take advantage of the driving performance of the ...
10
Investigation of the Mediterranean Cyclone Cleopatra Using the WRF Model: Sensitivity Analysis and Ensemble Forecasting Approach
... Trajectory of cyclone Cleopatra in the sensitivity test simulations and in the observations. The trajectory of setup MAIN and the trajectory given by SEVIRI rapid scan imagery 255[r] ...
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Model Predictive Control System Design of a passenger car for Valet Parking Scenario
... to design a lateral controller providing inherited robustness with respect to noise and time delay in position measurement [34] while considering the constraint on steering angle and steering angle ...
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