 DSM emulator wanted. |
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 Jan 31 2005, 01:08 AM
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 Eats and sleeps DSM jargin.  Group: Members Posts: 1,035 Joined: 31-March 04 From: Chambana Member No.: 268  |
wortdogg has kicked around the idea a little bit here and there. Not entirely what you are dreaming up, but similiar.
i'd be very interested in this. so, i guess a dsm chopped in half running gran tourismo off a p2 doens't fit the bill eh? -------------------- game over.
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Jan 31 2005, 01:17 AM
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#2
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 Post Master Group: Members Posts: 626 Joined: 25-September 02 From: Urbana, IL Member No.: 19 |
PC's don't have the hardware to do that kind of thing. I've run an ECU on the bench before, basically you'll need a couple of frequency generators (CAM signal, MAF signal) and some adjustable resistors for the other sensors. A two channel or better scope is needed to test injector/ignition outputs, while LEDs could be used for testing most of the other outputs. The only thing you'll need a PC for is to run a logger program, or you could use a PALM.
-------------------- Eric Wort
87 White Buick Turbo 'T' (11.71 @ 116.5, 1.61 60ft, slipping trans) 92 Teal Eagle Talon TSi AWD (burn victim) |
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Jan 31 2005, 07:58 AM
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#3
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 Zen Master DSM Group: Moderators Posts: 3,008 Joined: 10-January 01 From: in front of you Member No.: 5 |
This is how we bench test much of our software at Cat. I suggest using actual injectors, resistor packs, and solenoids for outputs though, so that you can exactly match the programmed load type, otherwise you may get some intermittant diagnostics. Like Wort said the inputs can be created with frequency generators, switches, and potentiometers. You may find the knock and 02 sensor inputs difficult to simulate.
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