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Raspberry PI controlls Ball On Wheel

Raspberry PI based automation system controls laboratory model Ball On Wheel


This low cost automation system takes advantage in the use of the open-hardware solution Basic Input
Output Elements (BIOE), which is used as IO- subsystem for the Raspberry PI. BIOE usually depends on a PC`s printer port (LPT).
RPI is not a PC and therefore does not have an LPT, but digital IO. To close that gap a printer port`s behaviour is emulated by own drivers using
the GPIO header of the Raspberry PI. The control law runs on Realtime Linux on the PI using BIOE as counterpart to a industry PC`s
multi function DAQ add-in card. The possible sample frequency of the Rasperry PI could be increased up to 1000 Hz - meeting hard realtime
constraints concerning both jitter and IO time.

The following video shows this solution using this Raspberry PI based automation system as controller for laboratory model Ball On Wheel.


film-roll_cc0.jpegVideo Rasperry PI controls Ball On Wheel (Preliminary version)

Related Links:

Basic Input Output Elements (BIOE)

« February 2018 »