Create the information infrastructure for deep energy reduction Existing systems sized for peak and...
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Building Energy Information Architecture
Create the information infrastructure for deep energy reductionExisting systems sized for peak and designed for continuous activity
Reclaim the idle wasteExploit huge gap in peak-to-average power consumption
Continuous demand responseChallenge “always on” assumptionRealize potential of energy-proportionality
From IT Equipment …Better fine-grained idling, faster power shutdown/restorationPervasive support in operating systems and applications
… to the OS for the Building… to the Grid
Cell phone
Applications
Google PowerMeter
Every Building
Database
Internet
CT: mains power monitoring
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panel level power monitoring
ACme: plug load energy monitor and
controller
Temperature
Humidity
Vibration
Pressure
Conventional Electric Grid
Generation
Transmission
Distribution
Load
Conventional Internet
Tru
e P
ow
er
(kW
)T
rue
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r (k
W)
Sunday
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California ISO
Weather
Datacenter
Dense Building Instrumentation
Internet
sMAP Gateway
sMAP
Modbus RS-485
sMAP
sMAP Gateway
EBHTTP / IPv6 / 6LowPANWireless Mesh Network
sMAP
sMAP
sMAP
sMAP
Edge Router
Temperature/PAR/TSR
Vibration / Humidity
AC plug meter
Light switch
Den
t circ
uit m
eter
Prox
y Se
rver
EBH
TTP
Tran
slati
on
California ISO sMAP Gateway
Weather
sMAP
sMAP Resources
Grid-Building Interface
Deep Visibility
Building Applications
IPv6 Everywhere: blip
Universal RESTful Sensor Access: sMAP
/ # list resource under URI root [GET] /data # list sense points under resource data [GET] / [sense_point] # select a sense points [GET] /meter # meters provide this service [GET] /[channel] # a particular channel [GET] /reading # meter reading [GET] /format # calibration and units [GET/POST] /parameter # sampling parameter [GET/POST] /profile # history of readings [GET] /report # create and query periodic reports [GET/POST]
POST requests supply JSON objects as arguments:POST: http://meter1.cs.berkeley.edu/report { "ReportResource" : "/data/325/meter/*/reading", "ReportDeliveryLocation" :
"http://webs.cs.berkeley.edu/recv.php", "Period" : 60, "Minimum" : 50, "Maximum" : 100 }
{"UnitofMeasure" : "kW", "Multiplier" : 1, "Divisor" : 1, "UnitofTime" : "second", "MeterType" : "electric" }
Project Overview Applications are multiplexed on top of sMAP Google PowerMeter bridge sends live data to
the Google archive MySQL adaptor stores readings in a relational
database SmapQuery archives data in the Amazon cloud and provides a NoSQL–inspired query interface EveryBuilding places sensor streams in a context with their physical location Android interface allows personalized feedback Future integration with existing Building
Management Systems
Full TCP/IPv6 in 32k ROM, 5k RAM Allows efficient embedded implementations of sMAP New open-source project started at Berkeley; worldwide user base Platform for experimentation with MACs and Routing Protocols; provide
feedback to standards bodies (IETF) Enable prototype of next-generation smart grid technology
Stephen Dawson-Haggerty, Xiaofan Jiang, Jorge Ortiz, Gilman Tolle, David Culler, Randy Katz
Respond to demand variability Expose “slack” in loads Overlain on existing internet,
electric grid Cory Hall: our new testbed for
experimentation
Simple, efficient, implementable anywhere
Sharing of diverse physical information