Hello everybody.
I was absent from the net for a few day. When I came back I realized,
that I've never posted any explanation for my disturbing letter.
The point is as following: RTlinux (and other RT systems) are more or
less accomplished products for their prime target: to allow setting up
some linux box as a process controller. But mine primary concern is that
of education.
This times I work for the Control Systems division of IIT. Our faculty
is one of the largest faculties in the world (as far as I know) with
nearly 1500 ug. students and estimate of 2000 within 4 years. Thus, we
were forced to promote a purely theoretical projects among students, to
ease a pressure on our laboratories. This obviously caused many negative
effects, the most important of them is the lack of student/hardware
interaction in time of studies. Currently, we are able to support only
limited number of full-scale hardware oriented projects within limited
time-frames, and the only way out of this situation is to reduce a
prototyping time. We carried out experiments with the Matlab compiler
(it allows automatic generation of RT code for various targets from
Simulink model) and it seems that it will be unable to provide all the
advanced features we need (such as fuzzy controlled models, etc.). Mine
"whole point" letter lists the features one need to allow direct control
of plant from high level program.
I, certainly, aware of many control programs that are able to provide
direct hardware control and high level design tools. But the prolonged
learning times are prohibitive to us. C language frameworks are
prohibitive also, because students often lack the sufficient knowledge
of this language and of programming environment to be able to design a
complex controller within a tight time-frame.
Of course, this issue can be accorded as not important by Linux
community. Nevertheless, we must not forget that there are companies
(and Microsoft among them) that are interested in massive investment in
education, to allow ultimate acceptance of WinCE.
Alex Dubov
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