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| Testing (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | Re: PID Control
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| (...) Yep ... and no. The following was applied to a pneumatic cylinder controlled via an Amplicon Liveline I/O card and an SMC proportional valve (ie not Lego). code ***...*** pidloop: 'e = error, sp = set point (desired value), pv = process value (...) (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | RE: PID Control
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| This sounds like the sort of software that would be benifitial to everyone working with the Handyboard, perhaps it could be posted on the HB site? Fred? Reagrds, Matt (...) (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | Re: PID Control
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| Hi Mike: May I obtain also the code that you mentioned? I'm supposing the code was used at the HandyBoard? Thanks in advance for your help... Victor G. Ruiz Aranda ruizvic@mx1.ibm.com IBM de Mexico S.A. Coordinador IAS Planta de Manufactura T/L (...) (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | Re: colour sensor
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| I would suggest that the sensors are picking up IR. I would wager that your color filters are passing the IR with little attenuation and that your sensors are peaked in the IR region and little affected by the visible color information. If you have (...) (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | Re: colour sensor
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| (...) I posted to this yesterday, but my reply seems to have not appeared. What you need to have, is four sensors, not three. The fourth has no filter, and measures 'ambient' light. You then need to compare the return from this, to the other three (...) (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | HandyBoard died
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| Hi all! I have some troubles with my HB. I have set it up together with the expansion board, and it worked properly and very fine. Then once, unfortunately, the LCD, connected to the expansion board, touched one of the five motor-power diodes, and (...) (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | Re: PID Control
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| Bill I have code in QuickBasic and C, would this be any good to you?? It was code that I used at Uni and both versions have been tested on real apps so I know they work. For example, I developed a pneumatic cyclinder controller based on the QB (...) (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | PID Control
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| Has anyone out there developed a good PID control program in IC. I didn't want to reinvent the wheel if it was already available. Thanks Bill Denzel (25 years ago, 27-Jan-00, to lugnet.robotics.handyboard)
| | | | | Re: colour sensor
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| (...) I have typically used phototransistors rather than CDS photocells but both will work depending on the application. Sensors are like computer programs, when they do one thing they are fairly easy, if they do multiple things they are more (...) (25 years ago, 26-Jan-00, to lugnet.robotics.handyboard)
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