Energy Analysis
Energy Analysis
Concepts
Aggregrated measurements
Subtraction of known signatures
Appliance Signature
Variability
Stacking
Partial overlap
Time / Consumption ->state
Real / Reactive
How to represent?
Multi-state Appliances
On
Off
Transition Ramps
Finite State Machine model
Multi-component Appliances
Clusters
Components
Device Dependancies
Behavioral
Temporal
Appliance Catalogue
Link to signatures
Supervision
Unsupervised
Recognition confirmation / Training
AC Power Theory
Metadata
Metadata for Energy Disaggregation
NILM Schema
Terminology
Non-intrusive Appliance Load Monitoring (NIALM)
Appliance Disaggregation
Non-intrusive Load Monitoring (NILM)
Monitoring
Home Monitors
Onzo ED01013
1 Hz sampling
POWER_REAL_STANDARD
POWER_REACTIVE_STANDARD
POWER_REAL_FINE
Owl CM160
0.1/.017Hz sampling
Neurio
Kickstarter
Open Energy Monitor
WiTenergy
Protocols
Zigbee
Communities
Open Energy Monitor
Smart meter
Architecture
Sensors
Current
Voltage
Sampling rate
A/D conversion granularity
12 bit (4094 6w)
Expruino
Onzo
1Hz
433 MHz
Collection
Local capacity
Period before overflow
Network Technology
WiFi
Zigbee
USB
Data format
Protocols
Raw data extraction & storage
Time store
Metadata
Analysis
Sample gap analysis
Disaggregation processing
Device signature isolation
Training
Power usage data
Whole house
Time aggregation
Appliance
metadata
Appliance signature storage
Appliance classification
TraceBase
Output
Graphical display
Aggregated power usage
Appliance breakdown
Web Interface
App interface
PC interface
Disaggregation
Techniques
Hidden Markov Models(HMM)
Factorial HMM (FHMM)
Conditional FHMM (CFHMM)
Factorial hidden semi-Markov model (FHSMM)
Conditional Factorial Hidden Semi-Markov Model (CFHSMM)
Hierarchical Dirichlet Process Hidden Semi Markov Model (HDP-HSMM)
Bayesian approach
Clustering
Real / Reactive / Time
3 Axis graph?
Human identification & labelling
Dynamic Bayesian Networks (DBN)
Artificial Neural Networks (ANN)
Kalman filter
People
Jack Kelly (PhDs Imperial)
Oliver Parson (PhD Southampton)
Nipun Batra (PhDs IIIT Delhi
Services
Plotwatt
iPlan
Resources
Reference data Sets
REDD
BLUED
UMass
UK DALE
Academic papers
Communities
Energy Disaggregation
NILMTK
