NDLI: Interplanetary program to optimize simulated trajectories (ipost). volume 1: user's guide

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Interplanetary program to optimize simulated trajectories (ipost). volume 1: user's guide

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hong, P. E. Vallado, C. A. Kent, P. D. Olson, D. W.
Copyright Year	1992
Description	IPOST is intended to support many analysis phases, from early interplanetary feasibility studies through spacecraft development and operations. The IPOST output provides information for sizing and understanding mission impacts related to propulsion, guidance, communications, sensor/actuators, payload, and other dynamic and geometric environments. IPOST models three degree of freedom trajectory events, such as launch/ascent, orbital coast, propulsive maneuvering (impulsive and finite burn), gravity assist, and atmospheric entry. Trajectory propagation is performed using a choice of Cowell, Encke, Multiconic, Onestep, or Conic methods. The user identifies a desired sequence fo trajectory events, and selects which parameters are independent (controls) and dependent (targets), as well as other constraints and the coat function. Targeting and optimization is performed using the Stanford NPSOL algorithm. IPOST structure allows sub-problems within a master optimization problem to aid in the general constrained parameter optimization solution. An alternate optimization method uses implicit simulation and collocation techniques.
File Size	9279539
Page Count	218
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930005605
Archival Resource Key	ark:/13960/t3zs7nq7j
Language	English
Publisher Date	1992-10-01
Access Restriction	Open
Subject Keyword	Space Transportation Algorithms Collocation Spacecraft Trajectories Applications Programs Computers Computerized Simulation Orbital Maneuvers Atmospheric Entry Spacecraft Design Trajectory Optimization User Manuals Computer Programs Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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