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INTELLIGENT ACTUATOR
Part 5 Multi-Tasking
2. Multi-Tasking
“Multi-tasking” operation may not be a familiar term, but it is widely used in computer programming to refer
to parallel processing. Simply put, multi-tasking means running several programs in parallel.
Take a screw-tightening robot, for example.
In general, a screw-tightening robot consists of axis-1 and axis-2 actuators and a screw-tightening
machine (up/down air cylinder, etc.).
Operation Flow
Although the flow chart is simple, the movement of axis-1 and axis 2 actuators and the operation of the
parts feeder must take place simultaneously. This requires “multi-tasking” operation.
Move
Tighten screw
Move XY
Tighten screw
Parts feeder prepares screws
Parts feeder prepares screws
Start
Program 1
Move
Tighten screw
Move
Tighten screw
Program 2
Start
Parts feeder ON
Screw
preparation OK
Parts feeder OFF
Shortage o
screws
Timer
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