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PDF document - Orbital and Celestial Mechanics Website

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The level of output from the differential equations algorithm is controlled with the following integerinput. Please note that option 5 will create lots of information.****************************differential equation output----------------------------1 = none2 = terse3 = st<strong>and</strong>ard4 = interpretive5 = diagnostic---------------1The level of output can be further controlled by the user with this final text input. This program optionsets the value of the SOCOUT character variable described in the Sparse Optimization Suite user’smanual. To ignore this special output control, input the simple character string no.*******************user-defined output-------------------input no to ignore------------------a0b0c0d0e0f0g0h0i0j2k0l0m0n0o0p0q0r0The last series of inputs allow the reading <strong>and</strong> writing of configuration input files. The user shouldalways create a configuration file before attempting to read one. These configuration files are simpletext files which can be edited external to the leo2geo_ocs software. Please consult Appendix B foradditional information about this program option.**************************************** optimal control configuration options***************************************read an optimal control configuration file (yes or no)noname of optimal control configuration fileleo2geo_config.txtcreate an optimal control configuration file (yes or no)noname of optimal control configuration fileleo2geo_config1.txtOptimal control solution <strong>and</strong> graphicsThe following is the program output for this example. It includes the orbital elements of the initial LEO<strong>and</strong> the final GEO mission orbit. It also summarizes the total thrust duration, final spacecraft mass,propellant mass required for the orbit transfer <strong>and</strong> the accumulated delta-v.The leo2geo_ocs software will also create a comma-separated-variable (csv) output file. This filecontains the state vector, orbital elements <strong>and</strong> steering angles during the transfer trajectory. It has thefile name specified by the user in the simulation definition (input) data file. Please consult Appendix Afor additional information about the contents of this file.page 7

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