1. 일시 : 2019년 10월 30일(수) 오후 4시
2. 장소 : 기계공학동(N7) C2 세미나실
3. 연사 : Dr. Sang Yup Kim (Department of Mechanical Engineering and Materials Science, Yale University)
4. 초록 :
Robotic material systems are integrated hierarchies of multiple functional composite materials, whose behavior can be programmed and controlled. These material systems can attain multiple functionalities that work in tandem, conducive to generate new types of intelligent robots. Moreover, robotic material systems can be designed for manufacturing and streamline the mass-production of soft/micro robots. The sweeping impact of robotic material systems is evident in state-of-the-art technologies such as wearable electronics, 4D printing, and soft/micro robotics.
For example, a fiber-reinforced actuator widespread in the field of soft robotics is a composite material consisting of hyper-elastic matrix and strain-limiting fibers. In this system, an-isotropy is programmed via the architecture of strain-limiters. Self-healing fiber-reinforced composites are another compelling example, where healing abilities are programmed within the material system.
Manufacturing robotic material systems typically entails the incorporation of functional fillers and orchestrating their roles in a single composite system, to perform specific tasks at different length scales without necessitating a complex extrinsic control system. Therefore, to design and manufacture a robotic materials system is a collective art of Materials Science and Mechanical Engineering. Constituent materials of specific characteristics are chosen to elicit synergetic effects and each segment of manufacturing processes is managed based on their materials behavior.
In this seminar, I will present a class of robotic material systems that are designed for scalable manufacturing, a process conducive to their mass-production. Such material systems include self-propelled Janus particles, self-coagulating Pickering emulsion, self-adhesive strain-limiting patches, and self-healing fiber-reinforced composites. Application fields of these material systems and manufacturing processes encompass robotics, electronics, and engineering structures, all of which will be discussed in my talk.