Jan 9, 2007 #1 P phoeshell Newbie level 6 Joined Aug 8, 2006 Messages 14 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,354 Nowaday, distributed control system is more popular. And so, let discuss about it.
Jan 9, 2007 #2 mdanaie Member level 2 Joined Oct 13, 2004 Messages 43 Helped 5 Reputation 10 Reaction score 0 Trophy points 1,286 Activity points 207 they are not new. they were first studied in 1990