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CAD
2010
Springer
13 years 10 months ago
3D ball skinning using PDEs for generation of smooth tubular surfaces
We present an approach to compute a smooth, interpolating skin of an ordered set of 3D balls. By construction, the skin is constrained to be C1 continuous, and for each ball, it i...
Gregory G. Slabaugh, Brian Whited, Jarek Rossignac...
CDC
2008
IEEE
288views Control Systems» more  CDC 2008»
14 years 4 months ago
Open-loop combustion timing control of a Spark-Ignited engine
— In this paper, we propose a control strategy to improve the combustion efficiency of Spark Ignited engines. More precisely, we adapt the spark ignition time according to varia...
Mathieu Hillion, Jonathan Chauvin, Nicolas Petit
ICALT
2007
IEEE
14 years 4 months ago
The PLExus Prototype: A PLE realized as Topic Maps
The article presents the PLExus prototype, a Personal Learning Environment based on the semantic technology of topic maps. Semantic-based navigation in e-learning will enable vari...
Line Kolås, Arvid Staupe
DFT
2002
IEEE
115views VLSI» more  DFT 2002»
14 years 2 months ago
Neighbor Current Ratio (NCR): A New Metric for IDDQ Data Analysis
IDDQ test loses its effectiveness for deep sub-micron chips since it cannot distinguish between faulty and fault-free currents. The concept of current ratios, in which the ratio o...
Sagar S. Sabade, D. M. H. Walker
IJBC
2006
65views more  IJBC 2006»
13 years 10 months ago
Noise-Sensitivity in Machine Tool Vibrations
We consider the effect of random variation in the material parameters in a model for machine tool vibrations, specifically regenerative chatter. We show that fluctuations in these...
E. Buckwar, R. Kuske, B. L'esperance, T. Soo