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Background  As a research scientist, my work tends to focus on scientific investigations. Our group occasionally makes discoveries or has a successful demonstration, and sometimes we can even repeatedly demonstrate something working on the hardware. This mode of operation works for research, but not for competitions. In the past few years, I have participated in two international robotics competitions, the DARPA Robotics Challenge (DRC) and the Cybathlon; the research and development process for these competitions is significantly different from our typical research work. This commentary discusses our experience preparing for the Cybathlon, and contrasts it with our experience with the DRC.    Main body  The human in the loop for the Cybathlon was the biggest differentiator between the DRC and the Cybathlon. Having the human at the center of the competition not only changed the way we developed, but changed how we viewed the impact of our work. For the DRC, a physics based dynamic simulation was a powerful, and invaluable, tool for not only the algorithm developers, but the robot operator as well. For the Cybathlon, simulation was of little use because the all of closed-loop control was performed by the pilot. In the software development cycle for the Cybathlon, the push was to just come up with something that works and “lock it down” and do not change it, so that the pilot could train with a given set of motions that would not change and make up for any deficiencies with his own abilities. The Cybathlon was more of an athletic challenge for the human who was assisted by technology. The DRC was the opposite, it was a robotics challenge assisted by a human. This commentary focuses on describing the Florida Institute for Human and Machine Cognition’s (IHMC) experience leading up to and at the Cybathlon, with some comparisons to the DRC experience.    Conclusion  The Cybathlon was a very worthwhile experience me, my team, and of course our pilot. Knowing that our development could improve the quality of life and health for a group of people was very motivating and rewarding. Engineering competitions accelerate development, engage the public, and in the case of the Cybathlon, increase public awareness of issues for people with disabilities. The Cybathlon also revealed that the powered exoskeleton technology is still nascent in its ability to be a viable alternative to the wheelchair. But with continued developments toward the 2020 Cybathlon, we hope the capabilities of these devices can offer will be significantly improved.

IHMC’s experience competing in the Cybathlon compared to the DARPA robotics challenge