Requicha Profile

ARISTIDES A. G. REQUICHA


a more in-depth picture...

Short Profile

October 2007

Ari Requicha holds the Gordon Marshall Chair in Engineering and is a Professor of Computer Science and Electrical Engineering at USC, where he also directs the Laboratory for Molecular Robotics (LMR) since 1994. From 1986 to 2003 he directed at USC the Programmable Automation Laboratory, which merged with LMR in 2003. He received the Engenheiro Electrotécnico degree from the Instituto Superior Técnico, Lisbon, Portugal, in 1962, and the Ph.D. in Electrical Engineering from the University of Rochester in 1970. He was a college and high school Valedictorian, and is a Fellow of the IEEE and of the American Academy of Nanomedicine. Requicha is one of the worldwide 282 Computer Scientists listed in the ISI Web of Knowledge as highly cited researchers for the decades 1980-1999. He received the USC Senior Research Award in 2006, the first-ever Pierre Bezier Award in solid modeling at the 2007 ACM Solid and Physical Modeling Symposium, as well as several best paper awards. He is the editor-in-chief of the IEEE Transactions on Nanotechnology, has been an editor for the ACM Transactions on Graphics, the IEEE Transactions on Robotics and Automation, and other journals, and has served on numerous conference program committees. He is currently a Co-Chair of the Robotics and Automation Society Technical Committee on Micro and Nano Robotics.

He joined USC in 1986, after thirteen years at the University of Rochester, where most recently he was the Director of the Production Automation Project. He also has been a lecturer in physics at the University of Lisbon, Portugal, a lieutenant in the Portuguese Air Force, and a research scientist with NATO's SACLANT Research Center in La Spezia, Italy.

The theme of Requicha's research for the last thirty years has been the development of intelligent systems that interact with the three-dimensional world in which we live. In the decade from the mid 1970s to the mid 1980s, he addressed the problem of describing the 3-D objects that populate our physical environment, and did much of the pioneering work on what is now called solid modeling. Today, computer-based solid modelers have replaced drafting and manual techniques as the standard means of capturing objects' geometry in computer graphics, and in industrial computer aided design and manufacturing.

Next, he tackled spatial reasoning, through a blend of concepts and techniques from artificial intelligence and geometric modeling. The main focus was on automatic planning for manufacturing and inspection tasks. With his students, he developed systems for recognizing manufacturing features, designing and assembling fixtures using modular components, and planning dimensional inspection with Coordinate Measuring Machines.

His research since the mid 1990s has been focused on the science and engineering required to interact with the nanometer-scale world. He directs USC's Laboratory for Molecular Robotics, an interdisciplinary center whose ultimate goal is to control the structure of matter at the molecular scale. The lab is developing systems for manipulating and assembling nanoscale objects using Scanning Probe Microscopes (SPMs) as sensory robots, developing components such as nanosensors and nanoactuators for the nanoscale robots of the future, and investigating algorithms for programming self-assembling and self-repairing distributed systems composed of large numbers of nanorobots. Applications in nanoelectronics, nanoelectromechanical systems (NEMS) and nanobiotechnology (especially bioNEMS--biomedical applications of NEMS) are being investigated. In addition, Requicha is also interested in sensor/actuator networks and their applications in environmental monitoring and health care. These two lines of research, nanorobotics and sensor/actuator networks, are expected to merge in the future, because networks with large numbers of physically-coupled nodes are especially attractive if the nodes are very small, and because individual nanorobots are likely to have limited capabilities, which implies that most applications will require swarms of nanorobots.

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