Euro-Par, 2006 1 HASTE: An Adaptive Middleware for Supporting Time-Critical Event Handling in Distributed Environments ICAC 2008 Conference June 2 nd , 2008 Chicago, Illinois ICAC 2008 Qian Zhu and Gagan Agrawal Department of Computer Science and Engineering The Ohio State University
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Euro-Par, 2006 1 HASTE: An Adaptive Middleware for Supporting Time-Critical Event Handling in Distributed…
Euro-Par, 2006 Context – Cyber-Physical Systems (CPS) Physical Objects –Embedded computation, sensing and actuation – cyber capability Computing –Monitor and control physical process Cyber-Physical System (CPS) –Integrations of computation, human and physical processes ICAC 2008
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Euro-Par, 2006 1
HASTE: An Adaptive Middleware for Supporting Time-Critical Event Handling
Qian Zhu and Gagan AgrawalDepartment of Computer Science and Engineering
The Ohio State University
Euro-Par, 2006
Context – Cyber-Physical Systems (CPS)
ICAC 2008
Euro-Par, 2006
Context – Cyber-Physical Systems (CPS)
• Physical Objects – Embedded computation, sensing and actuation
– cyber capability• Computing
– Monitor and control physical process• Cyber-Physical System (CPS)
– Integrations of computation, human and physical processes
ICAC 2008
Euro-Par, 2006
Motivation – Cyber-Physical Applications
• Medical Devices and Health Management Networks• Tele-physical Operations• Vehicular Networks and Smart Highways• Physical Infrastructure Monitoring and Control• Electricity Generation and Distribution• Robotic Manufacturing• Aviation and Airspace Management• Defense and Aerospace Systems• ……• Welcoming Remarks from NSF Workshop on Cyber-Physical Systems• (http://varma.ece.cmu.edu/cps/)
• Flexibility: image quality, image size…• Time constraints
Euro-Par, 2006 6
Motivating Application: Great Lake Nowcasting and Forecasting (POM)
ICAC 2008
Model
WeatherData
WaterQuality
20 km20
km
1 km
1 km
• Flexibility – Grid resolution– Internal time step– External time step
• Time Constraints
Euro-Par, 2006 7
Motivation – Cyber-Physical Applications (Cont’d)
ICAC 2008
• Time-Critical Event Handling– Intense computation and communication– Time and resource constraints– Application-specific flexibility– benefit function