Wireless Sensor and Actuator Networks for Lighting Energy ...

Figure 5-8 Membership functions for determining sensing rate with damping. ............73
Figure 5-9 Adaptive sensing with Kalman filtering predictive model...........................75
Figure 5-10 Adaptive sensing with Wiener filtering predictive model..........................75
Figure 5-11 Adaptive sensing with double exponential smoothing predictive model....76
Figure 5-12 Damped adaptive sensing with Kalman filtering predictive model............77
Figure 5-13 Damped adaptive sensing with Wiener filtering predictive model.............78
Figure 5-14 Damped adaptive sensing with double exponential smoothing predictive
model. .................................................................................................................78
Figure 6-1 Architecture of the optimal lighting actuation algorithm.............................82
Figure 6-2 Workplane level illuminance distribution model.........................................83
Figure 6-3 Lighting optimization with sensory feedback. ............................................88
Figure 6-4 Pseudo code of the lighting optimization algorithm with sensory feedback.90
Figure 6-5 Floor plan of the experiment office.............................................................91
Figure 6-6 Optimal lighting for scenario 1...................................................................92
Figure 6-7 Optimal lighting for scenario 2...................................................................93
Figure 6-8 Optimal lighting with sensory feedback......................................................95
Figure 7-1 Spectral response of Hamamatsu 7686 photodiode [100]............................97
Figure 7-2 Calibration curve of the mote photosensor..................................................99
Figure 7-3 Advance Mark VII characterization curve. ...............................................101
Figure 7-4 First generation wireless ballast actuation module....................................103
Figure 7-5 First generation wireless ballast actuation module operation logic............103
Figure 7-6 Second generation wireless ballast actuation module................................104
Figure 7-7 Second generation wireless ballast actuation module operation logic........104
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