JEMRMS was assembled to JEM Pressurized Module (JPM) and launched on Flight STS-124 1J in 2008. It hasbeen used for several operations, such as handling H-Ⅱ Transfer Vehicle (HTV) Exposed Palette (EP) or ExposedPayloads. These operations have often been conducted in proximity to various complex external features on JEMExposed Facility (JEF).JAXA Robotics Operations Team, KIBOTT (KIbo roBOTics Team), has brought various JEMRMS operationsby crew such as initial deployment from the JEM Pressurized Module (JPM) in the Flight STS-124 1J, payloadtransfer in the Flight STS-127 2J/A, HTV1 and HTV2 to a successful conclusion working around a variety ofchallenges. On the other hand, it has been recently becoming a problem that there is not onboard crew timesufficiently for the ISS system and science operations. Thus KIBOTT begun consideration of JEMRMS groundcontrol (GC) demonstration program in 2010 which consists of four demonstrations to reduce the crew time forrobotics operations and make an effective use of them for other ISS operations.In the end, KIBOTT has successfully completed all four JEMRMS GC demonstrations including maneuvers inauto mode increasing maneuver distance and rate gradually, emergency stop functionality during the coarse ratemaneuver and contact operations in the proximity etc. in December, 2011. Also they completed the real timeoperations (demonstration #4) applying the element operational technology proven through the previous threedemonstrations. JEMRMS was ground controlled in the demonstration #4 to transfer an unoccupied EP to hand it offto the Space Station Remote Manipulator System (SSRMS) for insertion to the HTV3 during the flight HTV3 thissummer.Here we present the results of the above JEMRMS GC demonstration program and technical challenges of theJEMRMS operations since the JEMRMS initial deployment to the JEMRMS GC demonstrations.
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