Datasheets and Schematics:
Online Books:Feedback Systems: An Introduction for Scientists and Engineers, Karl J. Åström and Richard M. Murray.
(Check in particular Chapter 10 - PID Control
Matlab simulator for coupled illumination systems: LUMISIM
Reference papers for the project:
 Occupancy-based illumination control of LED lighting sensors, D. Caicedo, A. Pandharipande and G. Leus, Lighting Research and Technology 43: 217, 2011.
 Daylight integrated illumination control of LED systems based on enhanced presence sensing, A. Pandharipande, D. Caicedo, Energy and Buildings 43, 944–950, 2011.
 Distributed Illumination Control With Local Sensing and Actuation in Networked Lighting Systems, A. Pandharipande, D. Caicedo, IEEE SENSORS JOURNAL, VOL. 13, NO. 3, MARCH 2013.
 A distributed simplex algorithm for degenerate linear programs and multi-agent assignments. Mathias Bürger, Giuseppe Notarstefano, Francesco Bullo, Frank Allgöwer.Automatica, Volume 48, Issue 9, Pages 2298-2304, September 2012.