1. Department of Mechanical Engineering; Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 305-701 South Korea
2. KI for the NanoCentury; Korea Advanced Institute of Science and Technology (KAIST); 291 Daehak-ro Yuseong-gu Daejeon 305-701 South Korea
3. Korea Electric Power Research Institute; Korea Electric Power Corporation (KEPCO); 105 Munji-ro Yuseong-gu Daejeon 305-760 South Korea
4. Department of Mechanical Engineering; Seoul National University; 1 Gwanak-ro Gwanak-gu Seoul 151-742 South Korea
5. Department of Mechanical and Aerospace Engineering; University of California; San Diego 9500 Gilman Dr, La Jolla California 92093 USA
6. Systems Research Lab; Hewlett Packard Laboratory; 1501 Page Mill Rd Palo Alto California 94304-1126 USA