lego mindstorms

lego mindstorms

Personal Rapid Transit simulated by Lego Mindstorms EV3

1d ago
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Description

Some videoclips from my lab at NTNU. The system is supposed to simulate a Public Rapid Transit system. The guideway is built by Lego City tracks and has 4 stations and consists of 6 control areas. Each control area is controlled by one separate Guideway Controller installed on either a computer or raspberry pi. No pods can move and no switching can be done without a direct order from the responsible guideway controller. Orders are sent via WiFi. The pods keep track of their position by counting sleepers. Each sleeper has a unique number. The red sleepers mark the transition between two different number series. When a pod passes a red sleeper, the pods internal sleeper counter is reset to a value previously given automatically by the responsible guideway controller. Even though the system is working most of the time, some faults needs to be corrected, as shown in the end.