12th International Forum on Embedded MPSoC and Multicore
July 9-13, 2012, Québec, Canada
Speaker:Suzanne Lesecq, CEA-LETI, France
VT-state condition monitoring in integrated circuits using fusion of information from general purpose sensors.
Today mobile computing platforms need ever-increasing computational performances while their energy consumption is drastically limited by battery lifespan. An optimal operating point is obtained thanks to a compromise between performance and power consumption. For distributed architectures, the supply voltage and the operating frequency of each processing element can be tuned dynamically to reach efficient performance/power consumption trade-offs. As a consequence, the physical state (e.g. actual supply voltage and temperature) of the integrated circuit must be monitored to locally adapt the chip parameters. A new method has been developed to estimate the supply voltage and temperature of a local area in an integrated circuit. The raw measurements are acquired form standard ring oscillators buried in the chip and the sensor fusion technique makes use of statistical tests.
Dr Suzanne Lesecq passed the "Agrégation" in Electrical Engineering in 1992 while she was student at the Ecole Normale Supérieure de Cachan, France. She received the PhD in Process Control from the Grenoble Institute of Technology, France, in 1997. She joined the University of Grenoble, France in 1998 where she has been appointed as Associate-Professor from 1998 to 2006 and full-time Professor from 2006 to 2009. In 2008-2009, she has been head of the Electrical Engineering department, University of Grenoble, at BTech level. From 2006 to 2009, she has been head of the research team â€œcontrol and diagnosis for Industrial processesâ€ (SA-IGA team) in the GIPSA CNRS laboratory, Grenoble, France. She joined CEA-LETI in mid-2009 where she is conducting researches on the implementation of control techniques applied to mobile computing platforms and data fusion and distributed control for spatially distributed systems, and Sensors and Actuators Networks. She has published more than 90 papers in world leading Conferences, International Journals, book chapters, and she is co-inventor of 10 patents. Her topics of interest are Control and Data Fusion Algorithms, together with their safe implementation on computational devices.
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