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- Xref: sparky sci.engr.control:380 alt.control-theory:11
- Newsgroups: sci.engr.control,alt.control-theory
- Path: sparky!uunet!psinntp!bnlux1.bnl.gov!culwick
- From: culwick@bnlux1.bnl.gov (B Bryan Culwick)
- Subject: Re: Nonlinear optimal control program available ?
- Message-ID: <1992Dec23.154911.29158@bnlux1.bnl.gov>
- Sender: Culwick
- Organization: Brookhaven National Laboratory, Upton, NY 11973
- References: <1h08q1INNl15@flop.ENGR.ORST.EDU> <1992Dec21.182151.22271@pasteur.B <1992Dec22.204244.20869@magnus.acs.ohio-state.edu>
- Date: Wed, 23 Dec 1992 15:49:11 GMT
- Lines: 13
-
- In article <1992Dec22.204244.20869@magnus.acs.ohio-state.edu> acampane@magnus.acs.ohio-state.edu (Angelo Campanella) writes:
- >
- >A century or so a fellow by the name of Watts had a nonlinear control problem
- >where he was employed to turn a steam valve on and off repeatedly. Being
- >naturally lazy, he invented a leverage sysytem for the machine to do it for
- >itself. He was then credited for inventing the steam engine. I rather suspect
- >he went through an evolution process where he needed at times too much memory
- >and too much space. We seem to have compressed those requirments in
- >intervening centuries...
-
- James Watt, not Watts and, in any case, it was Newcomen!!
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