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Articles 1 - 5 of 5
Full-Text Articles in Computer Engineering
Supervisory Control And Data Acquisition (Scada) Control Optimization, Garrett Johnson, Jeremy Straub, Eunjin Kim
Supervisory Control And Data Acquisition (Scada) Control Optimization, Garrett Johnson, Jeremy Straub, Eunjin Kim
Jeremy Straub
SCADA systems are generally used to monitor and control multiple systems of the same type to allow them to be remotely controlled and monitored. Water plants, for example, could be controlled and monitored by a SCADA system. This project seeks to optimize a SCADA system using Artificial Intelligence. A constraint satisfaction / optimization algorithm is used to maximize performance relative to weighted system goals.
A Software Defined Radio Communications System For A Small Spacecraft, Michael Hlas, Jeremy Straub, Ronald Marsh
A Software Defined Radio Communications System For A Small Spacecraft, Michael Hlas, Jeremy Straub, Ronald Marsh
Jeremy Straub
Software defined radios (SDRs) are poised to significantly enhance the future of small spacecraft communications. They allow signal processing to be performed on a computer by software rather than requiring dedicated hardware. The OpenOrbiter SDR (discussed in [1] and refined in [2]) takes data from the flight computer and converts it into an analog signal that is transmitted via the spacecraft antenna. Because the signal processing is done in software, the radio can be easily reconfigured. This process is done in reverse for incoming transmissions, which are received by the SDR and decoded by software. Figures 1 and 2 provide …
Creating A Low-Cost Radio For An Open Cubesat, Michael Wegerson, Jeremy Straub, Ronald Marsh
Creating A Low-Cost Radio For An Open Cubesat, Michael Wegerson, Jeremy Straub, Ronald Marsh
Jeremy Straub
A reliable communication system is key to the success of a CubeSat mission, allowing for data to be trans-mitted to the ground station and commands to be up-loaded to the satellite. To satisfy this need, the OpenOrbiter satellite (a 1-U CubeSat [1], being devel-oped with a target parts budget of under $5,000 [2]) is leveraging previously space-tested [3], low-cost trans-ceiver design which is based on the SI 4463 IC unit. This board design will be included in the publically available Open Framework for Educational Nanosatel-lites (OPEN) allowing others to modify, enhance and/or make use of the design in the future.
Design Of An Onboard Distributed Multiprocessing System For A Cubesat, Michael Wegerson, Jeremy Straub, Ronald Marsh
Design Of An Onboard Distributed Multiprocessing System For A Cubesat, Michael Wegerson, Jeremy Straub, Ronald Marsh
Jeremy Straub
The OpenOrbiter program aims to develop a low-cost framework to facilitate the development of CubeSat-class spacecraft (small spacecraft with nominal dimensions of 10 cm x 10 cm x 10 cm) for a parts cost of less than $5,000. To validate the framework that has been developed, a prototype unit will also be fabricated and tested in low-Earth orbit. In addition to validating the development of Open Prototype for Educational Nanosats (OPEN) framework, the spacecraft will perform on-orbit science. One aspect of the science mission will be to demonstrate and characterize the efficacy of two types of image processing. To this …
Analysis Of A ‘Turn-Key’ No Hardware Space Mission Using The Orbital Services Model, Jeremy Straub
Analysis Of A ‘Turn-Key’ No Hardware Space Mission Using The Orbital Services Model, Jeremy Straub
Jeremy Straub
Many applications that would benefit from access to space cannot afford the cost of spacecraft development, launch and operations. Other operations require only a fraction of a spacecraft or complete use of a spacecraft for a limited period of time. This paper considers the value of a ‘turn-key’ style space mission. It considers what types of missions could be reasonably conducted using this approach. The economics of being a service provider are considered. Then, a prospective mission concept for one OSM ‘turn-key’ mission is presented. The value proposition of this mission is assessed and the hardware and other capabilities required …