[Earnest-dist] CUICAR Lecture Series Reminder

[Ronald Grant]

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9/29/2009

The College Relations Office just received word about an offering in the CUICAR Lecture Series.  The lecture will take place on October 1st at 12:00 PM in the Carroll A. Campbell Jr. Graduate Engineering Center Auditorium.
Details follow.

Dr. Perry Y. Li
University of Minnesota

Although most hybrid vehicles on the market are electric hybrids, hydraulic hybrids that utilize hydraulic pump/motors and accumulator instead of electric motor/generator and batteries have the potential of high performance (ability to accelerate and decelerate quickly), cost effectiveness as well as fuel efficient. This is due to the power density advantage of hydraulics on one hand, and the installation and decommissioning cost of the electric components on the other. While the two most popular hydraulic hybrid architectures are parallel and series, they suffer from the inability to decouple engine operation from vehicle speed, and the complete dependence on the relatively inefficient hydraulic pump/motors for power transmission respectively. The hydro-mechanical transmission (HMT) based hydraulic hybrid architecture, which is a power-split architecture, overcomes these disadvantages, and is being studied at the Center for Compact and Efficient Fluid Power as one of its research test beds. In this talk, the design, analysis and control of the HMT architecture as well as a comparison with other hydraulic architectures will be discussed.

Perry Y. Li is Professor of Mechanical Engineering at the University of Minnesota. He is also serving as the co-Deputy Director for the NSF supported Engineering Research Center for Compact and Efficient Fluid Power.   He received his undergraduate degree in Electrical and Information Science at Cambridge University, England in 1987, his M.S. in Biomedical Engineering at Boston University in 1990, and his Ph.D. in Mechanical Engineering at University of California, Berkeley, in 1995. He was a research staff at Xerox Corporation briefly before joining the University of Minnesota in 1997. His research interests are in control, mechatronics, and fluid power. Current research include sensing and control of imaging systems, passivity based control of machines that interact with humans, robotic surgery, on/off valve based control of fluid power systems, compact fluid power energy storage, and hydraulic hybrid vehicles.
The lecture will take place on October 1st at 12:00 PM in the Carroll A. Campbell Jr. Graduate Engineering Center Auditorium.

We look forward to seeing you there!

Sincerely,

Suzanne Dickerson

CUICAR
sdicker at clemson.edu<mailto:sdicker at clemson.edu>



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