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Wireless Sensor and Actuator Networks for Lighting Energy ...

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third <strong>and</strong> fourth iteration respectively. The final optimal settings <strong>for</strong> each luminaire are<br />

[60%, 39%, 47%, 0%, 100%, 0%, 0%, 0%, 0%, 82%, 0%, 0%] ordered by the numbers<br />

annotated in Figure 6-5, <strong>and</strong> only 27.3% of the energy was used to deliver the lighting<br />

compared to the original all-on/off lighting configuration.<br />

Figure 6-8 Optimal lighting with sensory feedback.<br />

Having discussed the mathematical details of the lighting optimization algorithm<br />

as well as the sensor fusion <strong>and</strong> adaptive sensing algorithms in Chapter 4 <strong>and</strong> Chapter 5,<br />

the next chapter describes the design of the wireless-enabled components that are used<br />

<strong>for</strong> verifying the developed algorithms. The wireless-enabled components, including the<br />

wireless photosensors <strong>and</strong> the wireless actuation modules, are also the key elements <strong>for</strong><br />

a series of implementation of the intelligent lighting system, which will be discussed in<br />

later chapters.<br />

95

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