Cicoil cables help NASA robotic arm for Mars

Cicoil High-Flex Cables are allowing NASA to perform critical, extreme environment robotic tests, in preparation for the Mars Exploration Program.

02/08/2010


Cicoil High-Flex Cables are allowing NASA to perform critical, extreme environment robotic tests, in preparation for the Mars Exploration Program.

Cicoil High-Flex Cables are allowing NASA to perform critical, extreme environment robotic tests, in preparation for the Mars Exploration Program.

Cicoil High-Flex Cables are allowing NASA to perform critical, extreme environment robotic tests, in preparation for the Mars Exploration Program. Mars Science Laboratory (MSL), scheduled to launch in 2011, is part of NASA's Mars Exploration Program, a long-term robotic exploration of the red planet. Mars Science Laboratory is a rover that will assess whether Mars' environment can support, or has supported, microbial life. In other words, its mission is to determine the planet's "habitability."

Essential to the mission is the MSL's Robot Arm that holds and maneuvers the instruments that help scientists get get closer to Martian rocks and soil. Running the arm is a custom-formed Cicoil cable assembly conducting power, signals and video from the instruments to the main electronics within the rover's body. Cicoil's six-inch wide custom flat cable is now in rigorous testing at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, CA.

Control Engineering :

- Embedded in space: LDRA tools for Orion Crew Exploration Vehicle Space Program ;
- Position sensors tough enough for space flight ;
- Draper Lab helps automate International Space Station ; and
- Spectrometer orbits the moon .

 

ith the extreme flexibility of the robotic testing. Because Cicoil cables are designed to last tens of millions of continuous flexing cycles, they will withstand the the extreme testing being performed on the MSL Robot Arm.

In addition to fit and flexing issues, the Robot Arm is undergoing extreme environmental testing, including high heat, freezing cold, sand, salt, fog, and water. One of the key tests is to test while being exposed to blowing, red "Mars Sand," which is an-extremely fine, abrasive sand found on the surface of Mars. Cicoil's silicone cables are designed to operate in this type of extreme environment, which is critical to the successful testing of the new Mars Science Laboratory.

Cicoil uses a process of encapsulating conductors in silicone that renders them unaffected by severe vibration, G-Forces, shaking motion, extreme temperatures, water, shock and the rigors of supersonic flight. Cicoil's specialized silicone jacket functions as a shock absorbing material, completely surrounding and supporting each individual component. Cicoil cable does not require a clamping system (which is typically utilized with PVC, Polyurethane and Teflon jacketed cables) because the conductors cannot creep out of the silicone encasing them.

Cicoil now has thousands of cable assemblies operating in the most demanding military/aerospace applications, such as missile gimbal & guidance systems, commercial aviation fuel control systems, fighter aircraft precision navigation & targeting systems, and space vehicle flight control & communication systems. All these applications are mission-critical, requiring Cicoil cable assemblies to perform flawlessly during exposure to temperature, shock, and vibration extremes.

Cicoil's quality system is certified to ISO 9001, including the Aerospace AS9100 standard, cable assembly technicians are certified to IPC J-STD-001, and IPC-620, for cable soldering and crimping. 100% of Cicoil cables are electrically inspected for all point-to-point and electrical values, ensuring that each and every cable assembly meets 100% of the quality standards required by the most critical application. www.cicoil.com

 

mars.jpl.nasa.gov/msl/

Also read the Control Engineering automated vehicle blog .

- Edited by Mark T. Hoske, editor in chief, Control Engineering , www.controleng.com.





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