UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Proxim-CBR: A Scalable Grid Service Network for Mobile Decision.

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Presentation transcript:

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Proxim-CBR: A Scalable Grid Service Network for Mobile Decision Support Max Ong Muhammad Alkarouri Rolls-Royce University Technology Centre in Control & Systems Engineering Department of Automatic Control & Systems Engineering The University of Sheffield, UK.

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Motivation for DAME Rolls-Royce Power-by-the-Hour Increasing amount of engine data being collected New engine monitoring units record up to 1Gbyte of data per flight Rolls-Royce have over 54,000 engines in service Total operations of ~10M flying hours p/month In future, Terabytes of data could be transmitted every day for analysis Key objectives Reduce delays Reduce cost of ownership for the aircraft

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Grid Computing The Grid is a scalable network of supercomputers linked via high bandwidth networks The Grid provides on-demand compute resources for compute-intensive processes data intensive applications collaborative computing Enables flexible, secure, co-ordinated resource sharing across geographical and commercial boundaries (Virtual Organisations)

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Introduction to DAME UK e-Science Grid pilot project ( ) Funded by EPSRC To develop and promote understanding of Grid middleware Grid application/services integration Real time issues in Grid computing Security and dependability issues Delivered a “Proof of Concept” Grid demonstrator application for the Rolls-Royce aero-engine diagnostic problem

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Four UK universities: University of York Dept of Computer Science University of Sheffield Dept of Automatic Control & Systems Engineering University of Oxford Dept of Engineering Science University of Leeds School of Computing and School of Mechanical Engineering Industrial Partners: Rolls-Royce plc Data Systems and Solutions Cybula Ltd Project Partners

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 BROADEN Introduction Business Resource Optimisation for Aftermarket and Design on Engineering Networks (BROADEN) funded by DTI Project aim: To build a RR internal GRID as a proving ground for utilizing Web/Grid service technology to fully exploit available IT resources Jan 2005 – April 2007

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Engine Modelling & Simulation Service Perform engine performance simulation for FDI Based on a complex Rolls-Royce Trent 500 engine model – very compute intensive! Deployed as a service on the Grid Accessible by user via a web browser across the Internet Grid factories enable parallel execution of multiple engine simulation instances Secure authentication for user and hosts, SSL data encryption

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 CBR Advisor System Perform fault analysis, knowledge management and data fusion with Case-Based Reasoning technology CBR links together knowledge that belong together: information concerning the fault response to the fault effects of those responses Advises maintenance personnel on appropriate maintenance action Deployed as a service on the Grid Accessible by remote user via a web browser across the Internet

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 DAME Grid Portal

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Grid Computing EnvironmentDecisionSupportServices High-performance computing On-Demand Access to Grid-enabled services from mobile devices can be very effective in business environments Grid computing empowers a remote, mobile user with resources not normally available while working out on the field: Access to vast computing power Use of compute-intensive applications Access to large data repositories These can be made available via Web/Grid Services Mobile Grid-Based Decision Support

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Grid Computing EnvironmentDecisionSupportServices High-performance computing On-Demand Huge quantities of data to process and store CBR technology is inherently parallelizable Service Oriented Architecture enables flexible and scalable use of resources These can be made available via Web/Grid Services Distributed CBR for Decision Support

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Grid Computing EnvironmentDecisionSupportServices Collaborative Decision Support On-line An aircraft engine expert is usually regarded as a high value resource. As such, he/she needs to be highly accessible at various times, to investigate problems under demanding circumstances. Using the Grid as a collaborative computing platform to have a virtual network of experts, who are usually at different geographical locations. The ability of an engineer to capture investigative findings on-site and instantly upload these findings to the Grid-based system, using mobile access, greatly increases the accuracy of the CBR system in diagnosing the problem. The Case for Mobile Grid Access

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 A small device such as a PDA presents various constraints such as Limited processing power Limited memory Small display area Small network bandwidth The complexity of platforms and APIs used in such constraints is limited These constraints were taken into account in the design of a PDA demonstrator Limitations on a Typical Device

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September Local Cases CBR Search CBR Service Node Remote Node host environment CBR Broker Service Registry of service nodes Broker host environment... Local Cases CBR Search CBR Service Node Remote Node host environment Local Cases CBR Search CBR Service Node Remote Node host environment Proxim-CBR Grid Service Network Proxy Service Broker registry Proxy host environment PDA Mobile Monitor Service AQPs PROXIM-CBR Grid Service Network

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Service Nodes PROXIM-CBR Grid Service Network Proxim Service Node –Typically at point of data capture –Contains a CBR Engine –Hosts a repository of cases Proxim Broker Service Node –Receives requests from proxy service nodes, or directly from CBR portal –Maintains a registry of service nodes –Distributes query requests to service nodes, and summarizes results Proxy Service Node –Provides access to handhelds –Maintains a registry of available brokers

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September Local Cases CBR Search CBR Service Node Remote Node host environment CBR Broker Service Registry of service nodes Broker host environment... Local Cases CBR Search CBR Service Node Remote Node host environment Local Cases CBR Search CBR Service Node Remote Node host environment Demo: Mobile Distributed Health Monitoring Proxy Service Broker registry Proxy host environment PDA Mobile Monitor Service AQPs PROXIM for PDA-based remote, distributed condition monitoring

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Event Simulator – injects engine fault information at the remote, distributed nodes to simulate engine problem conditions Flight HKA-8283: Damaged fan blade or mass loss (lock tab) - location Hong Kong Flight GBA-1313: Single blade loss or oil in drum - location UK Demo: Mobile Distributed Health Monitoring

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Proxim Mobile Monitor – online, real-time summary from the distributed health monitoring system The problem Confidence of the match Where it occured ID for further online investigation Summary is continuously generated Operator Demo: Mobile Distributed Health Monitoring

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Demo: Mobile Distributed Health Monitoring

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Event Simulator – injects ship fault information at the remote, distributed nodes to simulate problem conditions Ship HKISC-8283: - Waterjet steering actuator worn or engine overheat - location Hong Kong Ship GBSC-1313: Fire in cargo bay or Supervisory Control switched to backup - location UK Example: Remote Ship Condition Monitoring

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 Grid computing from mobile devices can be very effective in a decision support environment Service oriented architecture enables business/engineering processes to be examined so that services can be provided to 'accurately and sufficiently' support core operations, providing flexibility for a more dynamic management of resources and processes Conclusions

UK e-Science DAME Project | UK DTI BROADEN Project All Hands Meeting19 th September 2006 “Service-Oriented Architecture on the Grid for Integrated Fault Diagnostics” –Journal of Concurrency and Computation “Scaleable Grid Service Network for Mobile Decision Support” –E-Science AHM2006 conference (Sept 2006) “Grid-Based Decision Support with Pro-Active Mobile Computing” –IEEE Int'l Conference on Services Computing (IEEE-SCC2005) “Decision Support System on The Grid” (Best Paper Award) –Int'l Journal of Knowledge-Based & Intelligent Engineering Systems “Modelling, Optimisation and Decision Support Using the Grid” –E-Science AHM2005 conference Recent Papers