update on current research agenda jim demmel, chief scientist eecs and math depts. uc santa cruz
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![Page 1: Update on Current Research Agenda Jim Demmel, Chief Scientist EECS and Math Depts. UC Santa Cruz](https://reader036.vdocuments.site/reader036/viewer/2022062715/56649d775503460f94a5a036/html5/thumbnails/1.jpg)
Update on Current Research Agenda
Jim Demmel, Chief ScientistEECS and Math Depts.
www.citris.berkeley.edu
UC Santa CruzUC Santa Cruz
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OutlineOutline Big VisionBig Vision A few recent highlightsA few recent highlights Tying it togetherTying it together
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ApplicationsApplications
The CITRIS ModelThe CITRIS Model
Core Core TechnologiesTechnologies
FoundationsFoundations• ReliabilityReliability• AvailabilityAvailability• SecuritySecurity• AlgorithmsAlgorithms• Social, policy issuesSocial, policy issues
• Distributed Info SystemsDistributed Info Systems• Micro sensors/actuatorsMicro sensors/actuators• Human-Comp InteractionHuman-Comp Interaction
• DisasterDisaster• EnergyEnergy• EducationEducation
Societal-Scale Information SystemsSocietal-Scale Information Systems(SIS)(SIS)
•TransportationTransportation• HealthHealth• EnvironmentEnvironment
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Societal-Scale Systems
“Client”
“Server”
Clusters
Massive Cluster
Gigabit Ethernet
Secure, non-stop utilityDiverse componentsAdapts to interfaces/usersAlways connected
MEMSSensors
Scalable, Reliable,Secure Services
InformationAppliances
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OutlineOutline Big VisionBig Vision A few recent highlightsA few recent highlights
Sensor Nets (Culler)Sensor Nets (Culler) Disaster ResponseDisaster Response Energy EfficiencyEnergy Efficiency
Tying it togetherTying it together
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February 2000February 2001
February 2002August 2001
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Ad-hoc sensor networks workAd-hoc sensor networks work 29 Palms Marine Base, March 200129 Palms Marine Base, March 2001
10 Motes dropped from an airplane 10 Motes dropped from an airplane landed, formed a wireless network, landed, formed a wireless network, detected passing vehicles, and detected passing vehicles, and radioed information backradioed information back
Intel Developers Forum, Aug 2001Intel Developers Forum, Aug 2001 800 Motes running TinyOS hidden in 800 Motes running TinyOS hidden in
auditorium seats started up and auditorium seats started up and formed a wireless network as formed a wireless network as participants passed them aroundparticipants passed them around
tinyostinyos.millennium..millennium.berkeleyberkeley..eduedu
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Smart Dust Goes NationalSmart Dust Goes National Selected as DARPA networked embedded system tech Selected as DARPA networked embedded system tech
open platform (NEST)open platform (NEST) 1000s of Motes used or shipped to other groups1000s of Motes used or shipped to other groups
Academia: UCSD, UCLA, USC, MIT, Rutgers, Academia: UCSD, UCLA, USC, MIT, Rutgers, Dartmouth, U. Illinois UC, NCSA, U. Virginia, U. Dartmouth, U. Illinois UC, NCSA, U. Virginia, U. Washington, Ohio StateWashington, Ohio State
Industry: Intel, Crossbow, Bosch, Accenture, Mitre, Industry: Intel, Crossbow, Bosch, Accenture, Mitre, Xerox PARC, KestrelXerox PARC, Kestrel
Government: Wright Patterson AFB, NCSC Government: Wright Patterson AFB, NCSC Ongoing training coursesOngoing training courses
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OutlineOutline Big VisionBig Vision A few recent highlightsA few recent highlights
Sensor NetsSensor Nets Disaster Response (Fenves)Disaster Response (Fenves) Energy EfficiencyEnergy Efficiency
Tying it togetherTying it together
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What is Disaster Response?What is Disaster Response?• Sensors for motion, occupancy, dangerous conditions and substancesSensors for motion, occupancy, dangerous conditions and substances• Guide occupants, emergency personnel, assess safetyGuide occupants, emergency personnel, assess safety
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Seismic Monitoring of BuildingsSeismic Monitoring of Buildings
• Part of the CUREe-Caltech
Tuck-Under Parking Apartment
Building Experiment
• Many such buildings severely
damaged in 1994 Northridge
Earthquake.
• Dynamic experimental evaluation
of a full-scale structure on the
Richmond Field Station shake
table.
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Seismic Monitoring of BuildingsSeismic Monitoring of BuildingsBefore CITRISBefore CITRIS
$8,000 each$8,000 each
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Seismic Monitoring of Buildings: Seismic Monitoring of Buildings: With CITRIS Wireless MotesWith CITRIS Wireless Motes
$70 each$70 each
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Tokachi Port, HokkaidoTokachi Port, HokkaidoBlast-induced Liquefaction Test
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ours
ours
theirs
theirs
theirs
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Post-Blast Liquefaction
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A commercial productA commercial product
Crossbow CN4000 Wireless Structural Monitoring Crossbow CN4000 Wireless Structural Monitoring SystemSystem
3D Accelerometer3D Accelerometer 12 bits of resolution, up to 2G12 bits of resolution, up to 2G
TemperatureTemperature -40-40oo C to +85 C to +85oo C, to within C, to within 22oo C C
Wireless communicationWireless communication 1 mile line-of-site range1 mile line-of-site range
www.www.xbowxbow.com.com
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OutlineOutline Big VisionBig Vision A few recent highlightsA few recent highlights
Sensor NetsSensor Nets Disaster ResponseDisaster Response Energy Efficiency (Arens)Energy Efficiency (Arens)
Tying it togetherTying it together
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The Inelasticity of California’s Electrical Supply The Inelasticity of California’s Electrical Supply
0
100
200
300
400
500
600
700
800
20000 25000 30000 35000 40000 45000MW
$/MWh
Power-exchange market price for electricity versus load(California, Summer 2000)
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How to Address the Inelasticity of the SupplyHow to Address the Inelasticity of the Supply
Reduce demand, or spread demand over time Reduce demand, or spread demand over time Make cost of energyMake cost of energy
visible to end-user function of load curve
““Real-time pricing” Real-time pricing” Phase 1: Expose energy usage to user; helps eliminate waste Phase 2: Expose real-time prices to user Phase 3: Automatic control to optimize price, safety, user comfort,
other economic goals
Improve efficiency of generation and distribution Improve efficiency of generation and distribution network (supply side)network (supply side)
Enabled by Information!
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Cory Hall Energy Monitoring NetworkCory Hall Energy Monitoring Network
50 nodes on 450 nodes on 4thth floor floor30 sec sampling30 sec sampling250K samples to database over 6 weeks250K samples to database over 6 weeksMoved to Intel Berkeley Lab – come play!Moved to Intel Berkeley Lab – come play!
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OutlineOutline Big VisionBig Vision A few recent highlightsA few recent highlights Tying it togetherTying it together
Shared System GoalsShared System Goals Shared TestbedsShared Testbeds Shared Funding Sources Shared Funding Sources Engineering SupportEngineering Support
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A shared system goal – A Smart BuildingA shared system goal – A Smart Building
Normal OperationNormal Operation PowerPower HVACHVAC DataData ComputingComputing CommunicationCommunication Information servicesInformation services With securityWith security ReliableReliable Subject to legal mandatesSubject to legal mandates Easy to useEasy to use
Design a new building or retrofit an old one so Design a new building or retrofit an old one so you get the services you want at a price you can payyou get the services you want at a price you can pay
Researchers (not all listed!)Researchers (not all listed!) Oren, Arens, Auslander, Goldberg, Pister, SastryOren, Arens, Auslander, Goldberg, Pister, Sastry Arens, Selkowitz, Auslander, Agogino, RabaeyArens, Selkowitz, Auslander, Agogino, Rabaey Patterson, Kubi, Franklin, Hellerstein, YelickPatterson, Kubi, Franklin, Hellerstein, Yelick Culler, BrewerCuller, Brewer Rabaey, Culler, Pister, YooRabaey, Culler, Pister, Yoo Katz, Joseph, StoicaKatz, Joseph, Stoica Tygar, WagnerTygar, Wagner Aiken, Necula, HenzingerAiken, Necula, Henzinger Samuelson, MulliganSamuelson, Mulligan Canny, Landay, MankoffCanny, Landay, Mankoff
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Shared system goal – A Smart BuildingShared system goal – A Smart Building
Abnormal OperationAbnormal Operation Structural integrityStructural integrity FireFire Toxic substancesToxic substances Medical EmergencyMedical Emergency
ResearchersResearchers Fenves, GlaserFenves, Glaser Glaser, Sitar, Radke, Sengupta, White, LandayGlaser, Sitar, Radke, Sengupta, White, Landay LeeLee BudingerBudinger
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Shared TestbedsShared Testbeds
Cory Sensor Net (past and future)Cory Sensor Net (past and future) Intel Lab Sensor NetIntel Lab Sensor Net Instrumented rooms at Center for the Built EnvironmentInstrumented rooms at Center for the Built Environment Instrumented rooms at LBNLInstrumented rooms at LBNL New CITRIS BuildingNew CITRIS Building New Merced BuildingsNew Merced Buildings
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Shared Funding SourcesShared Funding Sources
CITRIS ITR from NSF ($7.5M)CITRIS ITR from NSF ($7.5M) California Energy Commission ($3M)California Energy Commission ($3M) DARPA NEST Grant ($2.5M)DARPA NEST Grant ($2.5M) Social Science Fellowships (CITRIS Operational Funds)Social Science Fellowships (CITRIS Operational Funds) SABER NSF ERC proposal ($17M - proposed)SABER NSF ERC proposal ($17M - proposed)