**The 9th IEEE International Symposium on Safety, Security, and Rescue Robotics (SSRR2011) [#rb6423e0] (2011.11.01-11.05 @ Kyoto, Japan) -Hiroaki Nakanishi, Sayaka Kanata, and Tetsuo Sawaragi: Measurement Model of Barometer in Ground Effect of Unmanned Helicopter and Its Application to Estimate Terrain Clearance, Proceedings of 9th IEEE International Symposium on Safety, Security and Rescue Robotics(SSRR2011), pp. 232-237, 2011 **The 55th Annual Meeting of Human Factors and Ergonomics Society (HFES 2011) [#oc5ae017] (2011.09.19-23 @ Red Rock Hotel, Las Vegas, Nevada, US) -Yukio Horiguchi, Keisuke Yasuda, Hiroaki Nakanishi, and Tetsuo Sawaragi: Data-to-sound Mapping to Sonify Ongoing System Status in Continuous Manual Control Task, Proc. Of Human Factors and Ergonomics Society Annual Meeting, 55, pp. 1235-1239, 2011 **The 18th IFAC World Congress (IFAC2011) [#i2591f3c] (2011.08.28-09.02 @ Milano, Italy) -Sayaka Kanata, Hiroaki Nakanishi, and Tetsuo Sawaragi: Accurate Localization for Space Rovers and Its Computational Reduction, Preprint of the 18th IFAC World Congress Milano, pp. 11233-11238, 2011