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Particle Swarm Optimization of Multiple-Burn Rendezvous Trajectories
2012
Journal of Guidance Control and Dynamics
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A., “Shape-Based Approach to Low-Thrust Rendezvous Trajectory Design,” Journal of Guidance, Control, and Dynamics, Vol. 32, No. 1, 2009, pp. 95-101.
doi: 10.25 14/1.36848
Chilan, C., and Conway, B. ...
Under the assumption of approximating the control through linear, quadratic, or cubic splines, in the sth trajectory arc the generic control component u, is parameterized using a polynomial function of ...
doi:10.2514/1.55592
fatcat:c6xvu7ooufegxl6wvxqmmoafla
Optimal low-thrust trajectories to asteroids through an algorithm based on differential dynamic programming
2009
Celestial mechanics & dynamical astronomy
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2009) Optimal low-thrust trajectories to asteroids through an algorithm based on differential dynamic programming. Celestial Mechanics and Dynamical Astronomy, 105 (1-3). pp. 75-112. ...
In this way the high dimensional problem characteristic of low-thrust optimisation is reduced into a series of small dimensional problems. ...
Paolo De Pascale of the European Space Operation Centre for his support during the preliminary study of the differential dynamic programming technique. ...
doi:10.1007/s10569-009-9224-3
fatcat:5swzegrli5gjda3skjimauf3c4
Analytical Solution of Optimal Feedback Control for Radially Accelerated Orbits
2008
Journal of Guidance Control and Dynamics
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Petropoulos, A., and Longuski, J., “A Shape-Based Algorithm for the Automated Design of Low-Thrust, Gravity-Assist Trajectories,” Journal of Spacecraft and Rockets, Vol. 41, No. 5, Sept. ...
The optimal control law u(t) (¢ € [fo, t]) is approximated by means of cubic spline interpolation. ...
doi:10.2514/1.33720
fatcat:4iauhwyd6jcvxbfdyse3reu7vm
Low-Thrust Transfers in the Earth-Moon System, Including Applications to Libration Point Orbits
2010
Journal of Guidance Control and Dynamics
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Then, a two-dimensional cubic spline is used to approximate the states along the surface. ...
Thus, the cubic spline approxi- mation across 6,, degrades in comparison with the previous example. ...
doi:10.2514/1.43179
fatcat:ranzbaohefhiljin2byuudkloe
Analytical Methods for Predicting Grain Regression in Tactical Solid-Rocket Motors
2004
Journal of Spacecraft and Rockets
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trajectory optimization methods. ...
Rawinsonde wind component profile that has been cubic-spline interpolated to the same altitude interval (25 m) as the simulated profile.’ ...
doi:10.2514/1.3177
fatcat:rwk3ozcraral5j4fci6ny73bq4
Trajectory Optimization of Extended Formation Flights for Commercial Aviation
2019
Aerospace (Basel)
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This paper presents a trajectory optimization study that has been conducted using a recently developed tool for the synthesis and analysis of extended flight formations of long-haul commercial aircraft ...
Using the extended tool, various numerical experiments have been conducted in relation to the assembly of two-ship and three-ship flight formations in long-haul operations across the North-Atlantic Ocean ...
Since the employed NLP solver requires a smooth interpolated surface (differentiability requirement), cubic interpolation for 3D gridded data has been used. ...
doi:10.3390/aerospace6090100
fatcat:er6da5wbtvfv3hq2bfta6ywcsu
Midcourse Guidance Law Based on High Target Acquisition Probability Considering Angular Constraint and Line-of-Sight Angle Rate Control
2016
International Journal of Aerospace Engineering
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Detailed analyses of the impact points on the ground and the random distribution of the target acquisition position in the 3D space are given to get the appropriate attitude angles and the end position for ...
With cubic spline interpolation method, the appropriate attitude angles and the end position for the midcourse guidance are obtained. ...
Next we need to calculate the value of view angles at different position, clarify the view angle distribution, and find the minimum mean value by using the cubic spline interpolation method, which has ...
doi:10.1155/2016/7634847
fatcat:rywjfrwf7rfw5crrqe5nt36pua
Annual Business and News - Beginning the 30th Year
2007
Journal of Guidance Control and Dynamics
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Cubic spline functions for N = 8. ...
Galerkin Approximation
We use cubic spline functions for the state components w and v to construct a finite-dimensional approximation for the state- space 11°. ...
doi:10.2514/1.28162
fatcat:ul4eb4p3tfaizawegi3mbihzuq
Past, Present, and Future of Simultaneous Localization and Mapping: Toward the Robust-Perception Age
2016
IEEE Transactions on robotics
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We start by presenting what is now the de-facto standard formulation for SLAM. ...
We then review related work, covering a broad set of topics including robustness and scalability in long-term mapping, metric and semantic representations for mapping, theoretical performance guarantees ...
Frese for discussion during the preparation of this document; and to G. Gallego and J. Delmerico for their early comments on this document. ...
doi:10.1109/tro.2016.2624754
fatcat:ufsx6fmwmjcqfl44mlpryr2khy
Autonomous Reactive Mission Scheduling and Task-Path Planning Architecture for Autonomous Underwater Vehicle
[article]
2017
arXiv
pre-print
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The vehicle's robustness to strong environmental variations is extremely crucial for its safe and optimum operations in an uncertain and dynamic environment. ...
Thus, design an efficient routing-task priority assign framework considering vehicle's availabilities and properties is essential for increasing mission productivity and on-time mission completion. ...
This method is modified to be more efficient and proposed in different sub-groups such as Cubic CHAPTER 2. LITERATURE REVIEW 35 Hermite Spline [62] ; B-splines [63] [64] [65] . ...
arXiv:1706.04189v1
fatcat:hgwbnghhovgsrh47sog4dyhe5u
Morphed vertical tailplane assessment for certification requirements
2015
Zenodo
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The results, opinions, conclusions, etc. presented in this work are those of the author(s) only and do not necessarily represent the position of the JU; the JU is not responsible for any use made of the ...
The cubic interpolation function utilises a third order polynomial curve fit, whereas the spline interpolation function utilised a higher order function. ...
(Shiraz university) Commercial aircraft conceptual designers generally use a combination of experimental and relatively low fidelity analytical methods and simplify the design problem by quantifying design ...
doi:10.5281/zenodo.3905083
fatcat:jegirrd5jbgeho7qtr7o3sfzpi
Orbital Design Tools and Scheduling Techniques for Optimizing Space Science and Exoplanet-Finding Missions
2020
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I present analytical models for the formation flying kinematics and simulate maneuvers to remain within strict tolerances of that formation. ...
I present optimal orbital procedures for computing the full trajectory design and optimal scheduling of launches to assemble the full primary mirror in a period of 11 years. ...
, allowing us to more easily transition to a low-thrust optimization problem. ...
doi:10.7298/8gh5-h371
fatcat:hvpt7k7yknhqjc5eemdf6edqh4
Optimal On-board Abort Guidance based on Successive Convexification for Atmospheric Re-Entry
2021
AIAA Scitech 2021 Forum
unpublished
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specifications, reducing the necessity of direct acceleration tracking Once a trajectory is planned, trajectory tracking algorithms can be used to correct for deviations caused by off-nominal conditions ...
different objective functions are compared to determine the characteristics and suitability for on-board planning. ...
This parameter can be computed by performing a single-parameter optimisation on α, as with a polynomial or cubic approximation of the objective function and using the Newton method, 54 or by satisfying ...
doi:10.2514/6.2021-0860
fatcat:5wmp5k3jubbm5hetztrqqicycu
Revisiting Vinti theory : generalized equinoctial elements and applications to spacecraft relative motion
[article]
2017
Preserved Fulltext
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An analytical method is not always the right method, and there is a fundamental question to ask to assess its use for any application. ...
thrust [126] . ...
For a right-handed coordinate system, the order of the orthogonal OS basis vectors is { ρ, φ, η}, where ρ is the normal to The following relation for b 2 • ∂b 2 /∂σ j should be used in all partial derivative ...
doi:10.15781/t2348gz6n
fatcat:63px6zykerf33flkujvzlnkl3u
Table of contents
2019
2019 Chinese Control Conference (CCC)
unpublished
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HAN Le, LIN Yeming, LIU Kun, CUI Bing, XIA Yuanqing 6200 Distributed Trajectory Optimization Method for Multi-UAV Formation Rendezvous over Directed Networks . . . . . . . . . . . . . . . . . . . . . . ...
KANG Hyundeok, GU Guoxiang, ZHENG Wei Xing 1537 Identification Methods for Transfer Function Estimation Using Dual-rate Sampled Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
doi:10.23919/chicc.2019.8866607
fatcat:bkwxxogrqvcmfpmqiek3xgnuoe
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