Non-constant Batch Size

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Alex Krencicki
Alex Krencicki on 11 Mar 2019
Edited: Robert Kugler on 9 Aug 2021
I am creating a DES and I want the number of entities generated at each unit of time to be the output of a user defined function (the function will be stochastic). I have not been able to replicate this process yet and I am unsure which enity creator block to use.

Answers (1)

Krishna Akella
Krishna Akella on 12 Mar 2019
Hi Alex,
In an entity generator you can set the 'Time source' to be 'MATLAB action' and then manipulate the output value 'dt' (the delta to the next generation time). For example, the following would generate a random number of entites very 2.0 seconds (interGenerationTime). You can make 'interGenerationTime' to be random too. So you would have a random number of entities being generated at random times.
- Krishna
Robert Kugler
Robert Kugler on 9 Aug 2021
Edited: Robert Kugler on 9 Aug 2021
Instead of generating a random number of entities in the entity generator, is it also possible to create ramdomly sized batches with entity batcher block? For instance, a generator generates an entity every single time unit, the entities go into a queue and a batcher block creates randomly sized batches from the queue (i.e. the batch size is randomized anew after a single batch has been created). This would mean that the batcher decides a batch size at random, waits until enough entities have come from the queue for the batch size to be filled, creates the batch and sends it out, decides a new randomized batch number, and does the whole thing again. How could this be implemented?

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