PC-based distributed parallel processing for real-time simulation of spacecraft attitude control

Yiing-Yuh Lin, Sern Sih Liu

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

This paper presents the study of a personal computer (PC) based platform for the real-time simulation of a dynamic system. The platform consists of three parts: the digital controller module, the dynamics/ environment module, and the AD/DA interface module. First two modules are the software simulation programs and are hosted by two separate 486 PCs. The third module includes four interface cards and respective driving software, where two of the cards are for digital-to-analog data conversion and the other two cards are for analog-to-digital data conversion. Connecting the two 486 PCs with the interface module allows the platform to closely emulate the hardware/software interactions between the controller and the dynamics of an actual system. Under the proposed configuration, the platform performs the simulation in a distributed parallel processing fashion as the controller module and the dynamics/environment module are running in respective PC with different speed. A low earth orbiting rigid satellite under the effects of several environmental disturbances was implemented. Three attitude control laws for the vehicle had been tested and the results were compared with the simulations by a none real-time PC.

Original languageEnglish
Pages240-247
Number of pages8
Publication statusPublished - 1997 Jan 1
EventModeling and Simulation Technologies Conference, 1997 - New Orleans, United States
Duration: 1997 Aug 111997 Aug 13

Other

OtherModeling and Simulation Technologies Conference, 1997
CountryUnited States
CityNew Orleans
Period97-08-1197-08-13

Fingerprint

Distributed Processing
Attitude Control
Attitude control
Personal Computer
Parallel Processing
Spacecraft
Personal computers
Real-time
Module
Controllers
Processing
Simulation
Analog to digital conversion
Digital to analog conversion
Dynamical systems
Dynamic Environment
Earth (planet)
Controller
Satellites
Hardware

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Modelling and Simulation

Cite this

Lin, Y-Y., & Liu, S. S. (1997). PC-based distributed parallel processing for real-time simulation of spacecraft attitude control. 240-247. Paper presented at Modeling and Simulation Technologies Conference, 1997, New Orleans, United States.
Lin, Yiing-Yuh ; Liu, Sern Sih. / PC-based distributed parallel processing for real-time simulation of spacecraft attitude control. Paper presented at Modeling and Simulation Technologies Conference, 1997, New Orleans, United States.8 p.
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Lin, Y-Y & Liu, SS 1997, 'PC-based distributed parallel processing for real-time simulation of spacecraft attitude control' Paper presented at Modeling and Simulation Technologies Conference, 1997, New Orleans, United States, 97-08-11 - 97-08-13, pp. 240-247.

PC-based distributed parallel processing for real-time simulation of spacecraft attitude control. / Lin, Yiing-Yuh; Liu, Sern Sih.

1997. 240-247 Paper presented at Modeling and Simulation Technologies Conference, 1997, New Orleans, United States.

Research output: Contribution to conferencePaper

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N2 - This paper presents the study of a personal computer (PC) based platform for the real-time simulation of a dynamic system. The platform consists of three parts: the digital controller module, the dynamics/ environment module, and the AD/DA interface module. First two modules are the software simulation programs and are hosted by two separate 486 PCs. The third module includes four interface cards and respective driving software, where two of the cards are for digital-to-analog data conversion and the other two cards are for analog-to-digital data conversion. Connecting the two 486 PCs with the interface module allows the platform to closely emulate the hardware/software interactions between the controller and the dynamics of an actual system. Under the proposed configuration, the platform performs the simulation in a distributed parallel processing fashion as the controller module and the dynamics/environment module are running in respective PC with different speed. A low earth orbiting rigid satellite under the effects of several environmental disturbances was implemented. Three attitude control laws for the vehicle had been tested and the results were compared with the simulations by a none real-time PC.

AB - This paper presents the study of a personal computer (PC) based platform for the real-time simulation of a dynamic system. The platform consists of three parts: the digital controller module, the dynamics/ environment module, and the AD/DA interface module. First two modules are the software simulation programs and are hosted by two separate 486 PCs. The third module includes four interface cards and respective driving software, where two of the cards are for digital-to-analog data conversion and the other two cards are for analog-to-digital data conversion. Connecting the two 486 PCs with the interface module allows the platform to closely emulate the hardware/software interactions between the controller and the dynamics of an actual system. Under the proposed configuration, the platform performs the simulation in a distributed parallel processing fashion as the controller module and the dynamics/environment module are running in respective PC with different speed. A low earth orbiting rigid satellite under the effects of several environmental disturbances was implemented. Three attitude control laws for the vehicle had been tested and the results were compared with the simulations by a none real-time PC.

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Lin Y-Y, Liu SS. PC-based distributed parallel processing for real-time simulation of spacecraft attitude control. 1997. Paper presented at Modeling and Simulation Technologies Conference, 1997, New Orleans, United States.