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    SMDC builds, tests satellite components with ACES RED

    SMDC builds, tests satellite components with ACES RED

    Photo By Jason Cutshaw | Dr. Chris Duron, Army Cost Efficient Spaceflight Research Experiments and...... read more read more



    Story by Jason Cutshaw 

    U.S. Army Space and Missile Defense Command

    REDSTONE ARSENAL, Alabama – When dealing with the future of Army satellite technologies, SMDC keeps its ACES RED.

    The Army Cost Efficient Spaceflight Research Experiments and Demonstrations, or ACES RED, is a U.S. Army Space and Missile Defense Command/Army Forces Strategic Command technology demonstration for small satellites in support of Army and command technical objectives with support from Radiance Technologies and the University of Alabama in Huntsville, or UAH, System Management and Production Center.

    ACES RED was developed in the USASMDC/ARSTRAT Technical Center’s Concepts Analysis Laboratory, or CAL. The CAL brings together high school and college students, under the supervision and mentorship of SMDC Tech Center government employees, to perform hands-on tasks for government projects and SMDC research.

    “ACES RED is built to increase the technology readiness level of different components for flight-based missions for other programs within the command,” said Mason Nixon, ACES RED principle investigator. “We are taking different technologies and trying to advance them while reducing risks so other programs don’t have to. We also want to train the incoming workforce and build up technical competencies in those core areas that support our missions.”

    This experiment looks to quickly mature various commercially available off-the-shelf technologies that will reduce the cost and complexity as well as maintain the performance of future Army small satellites.

    Its main technical goal is to solve vectoring problem solutions by implementing multiple sensors in various combinations or configurations. ACES RED’s secondary objectives include maturation of non-traditional and commercial off-the-shelf, or COTS, industrial-grade components in the place of traditionally hardened and more expensive space systems, such as flight computers, memory devices, imaging sensors and attitude determination devices.

    “We are also using ACES RED as a pilot program to build up test capabilities for space hardware,” Nixon said. “We are hoping to gain future capabilities such as more refined attitude determination and control for satellites to help orient them when in space, as well as taking industrial-grade computers and testing them in a space environment.

    “Where you might see possibly tens of thousands of dollars for a piece of existing hardware, we are looking at hundreds of dollars,” he added.

    One engineer added that this will mean SMDC can create something in-house with most of the parts that are going into space being designed and assembled here on Redstone Arsenal by in-house engineers.

    “In the future the turnaround time, lead time and creating another iteration of ACES RED is going be quicker, faster and we are going to be able to get space hardware up there a lot faster and all the capabilities were designed here so we won’t have to outsource any of the design,” said Gauge Day, ACES RED chief engineer.

    Day said initially his main role on ACES RED was working with the mechanical team and they had to figure out what direction the team was going to take with the design. He then took on the role of lead structural designer.

    “My main focus and what I want to see come out of ACES RED is that we design a modular system for space,” Day said. “With it we are able to take modular trays out and can plug and play with different hardware, and any time we need to change something or something fails, we are able to swap it out and replace it. There is no stack feature so it is different from what most space systems have seen before with CubeSats.

    “I want to see this become successful. Through vibrations and environmental testing so far we have been successful with something that is not native to space,” he added.

    Day explained how the ACES RED modular system design is more convenient than a stackable system because replacing parts in stackable system is more difficult.

    “With a stackable system, if your fourth board breaks, then you have to take the three on top of it off to get to the fourth one,” Day said. “ACES RED actually had this problem during an environmental test where a board needed replacing and we were able to slide a board out and replace it with a new one and it worked just fine.”

    ACES RED is scheduled to be launched on a Falcon 9 rocket and attached to the outside of the International Space Station through the Department of Defense Space Test Program.

    “Right now our payload is down at Johnson Space Center in Texas and it is being integrated into a full launch payload pallet with other experiments on it,” said Elizabeth Neilson, ACES RED lead systems engineer and integration specialist. “That pallet will then go through its own iteration of environmental testing and once it is finished we will be able to fix any issues that may come up during that time.

    “We have definitely had a lot of lessons learned with ACES RED,” she added. “Our team was almost entirely composed of young engineers or college students and recent college graduates. There was a big learning curve and this was one of the first projects for a lot of people where people are actually designing space hardware that is going to be launched. There were a lot of things that tripped us up that we didn’t know going into it.”

    Neilson said the support team at SMDC, leaders, and the research and technology team are always there to help them whenever they discover a problem.

    She described how the CAL trains and mentors college students and young professionals via the Department of Defense's Science, Mathematics And Research for Transformation, or SMART, scholarship, which pays students full scholarship, stipend, insurance, and more to encourage science and technology studies.

    Neilson also added that students at UAH can also work in the CAL via the Students working at the Army in parallel, or SWAP, where they are hired through a contract with UAH.

    “Everybody on this team brought their own unique flair to it,” Neilson said. “The more experienced engineers know how things are supposed to work whereas it is nice to have younger engineers who get tripped up with issues and they have to think through the process.

    “Then you have younger engineers who are asking questions and trying to learn along the way,” she added. “There are people coming in who have only designed theoretical projects for their classes and by the end of ACES RED they are making something that is going into space. So they are making all the mistakes that can be made and have learned lessons for future reference and they will wind up being really good engineers for the next project.”



    Date Taken: 05.11.2018
    Date Posted: 05.11.2018 13:32
    Story ID: 276716

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