Why Real Time Sorting used?
A tilt-tray sorter is a high-speed, continuous-loop sortation conveyor that uses a technique of tilting a tray at a chute to slide the object into the chute. It is used to expedite the process of Order fulfillment to consolidate line items of an order, and to process returned products for immediate updating of inventory in real time.
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The unit controlling the LEGO motors and sensors is Java Optimized Processor (JOP). JOP is a Java processor, an implementation of Java Virtual Machine (JVM) in hardware.JOP executes Java Byte-code with precise timing constraints for each instruction, enabling execution time and scheduling verification.
Click here for JOP Design website
Implementation has been modeled and verified using Uppaal. Uppaal is an integrated tool environment for modeling, validation and verification of real-time systems modeled as networks of timed automata, extended with data types (bounded integers, arrays etc.)
LEGO PCB is a robotics invention system of the LEGO Group. It was intended for children, but it turned out to be a great toy for adults, too. It combines electric components like sensors and actuators with Lego bricks and Lego Technical parts, such as gears, wheels and axles, to build robots and other automated or interactive systems.
Made by: Petur Olsen, Thomas Bøgholm, and Henrik Kragh-Hansen
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