日期：2016 年 03 月 23 日 ( 星期三)
Time：11:00 am – 12:00 pm
Space exploration, flying in and beyond the Earth atmosphere, encounters dynamic but often extreme operation conditions. The design of space instruments and aerial vehicles, therefore, requires comprehensive yet creative ways to ensure system’s reliability and flexibility. The employment of smart structures, systems of sentient and responsive to the environmental stimuli, offers bright potential to conquer these challenges and is revolutionizing our modern industry. Tremendous efforts are invested in intelligent structure design for future aerial vehicles and satellites, enabling real-time structural health monitoring, shape morphing, and flight controlling with enhanced safety and environmental responsibility.
In this talk, two novel smart structures will be discussed. First, ionic liquid based miniature seismometers have been developed for space missions. The unique fluidic sensing structure provides high shock tolerance and installation angle independence, which enable flexible deployment where conventional seismometers cannot survive. Furthermore, novel ionic liquid nanocomposite has been utilized to enhance the performance and harsh environment operation capability for geophysical studies of planetary bodies (e.g. Mars, Europa). Second, origami art has been employed in engineering design to produce 3D deformable structures for wearable electronics, aerial vehicles and cube satellites. Origami-enabled designs provide not only mechanical flexibility and reliability, but also the capability of embedding multiple functional devices, which makes the integrated system intelligent and adaptive. Various functionalities including sensing, energy harvesting and storage will be demonstrated.
Hongyu Yu received the B.S. and M.S. degrees in Electronics Engineering from Tsinghua University, China, in 1997 and 2000, respectively, and the Ph.D. degree in Electrical Engineering from the University of Southern California, USA, in 2005. Currently, he is a joint associate professor in the School of Earth and Space Exploration and School of Electrical, Computer and Energy Engineering at Arizona State University. His interest is providing engineering solutions for scientific studies and real-life demands. His research focuses on smart structures, sensors and sensing platforms, and miniature instrumentation with applications for cube satellites, aerial vehicles and electronics, and space exploration. Dr. Yu has more than 60 journal and 50 conference papers, 5 issued patents, 9 patents pending, and 3 patents have been licensed to industry.