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tulach last won the day on November 29 2018

tulach had the most liked content!

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About tulach


    simulation specialist and consultant at LOGIO
    Prague, Czech Republic

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  1. You can just use a process with a WAIT step. On entity arrival you will fire and event and the process will go on. I also belive that a worker is derived from entity so you can use workers instead of entities. Or the best fitting thing is to use consume step to consume a material (the tools). And have two inventories for it (one near the machine, one in the warehouse of tools). There are some simbits with the basic inventory concepts.
  2. Sometimes it helps to have entities inserted into more queues for quicker selection. Something like a card indexes in the libraty. That way you can shorten the search steps time.
  3. Do your parcels have their destinations (carts) or will they go to the nearest cart possible?
  4. Why are you uploading the texts in docx?
  5. Hi, Dave, I tried to create my own object composite, but if I use the entity reference with AutoCreate inside my LiftTruck, the Lifting device referenced cannot be moved in External View. Do you have any idea of how to solve this? Thanks
  6. We have developed an add-in with as many as 60 forecasting algorithms. Input is a table with time series data, output is a table with mean and uncertainity intervals. if you have any questions please contact me on tulach@logio.cz
  7. This is very usefull, (didn't test it, but I use simillar approach without using new object. It is a good idea to crate an object for this.
  8. You should try the simbits (in support Ribbon). Insert keyword (agent) and you will see many use cases with models and description
  9. YOu have the same capability in simio. Just create as many workstations you need and constrain them with resources. Resources are dynamicaly created in simio, so you can create a new if resource in a resource population if needed.
  10. Yes, I agree with Adam. For all things we do that require programming, we use GIT. I know that SIMIO uses TortoiseSVN for taking care of all the development of SIMIO. What I sometimes do is that I copy my model to do some minor or major changes (in the same project) and than if the changes are for the benefit of modelling I have to sometimes reincorporate to the Master model. I understand, that you need to have signed XML files, so that noone can write models in pure XML, but I would suggest adding some version control into SIMIO (maybe it will take a long time to implement, but will make a significant competing advantage). Abbility to branch model, make changes on a branch, test it and than incorporate some changes into main version will be a nice advantage and will open possibilities to use more team work in SIMIO. I think that something like version control can be implemented in SIMIO. Petr
  11. Hi David, it is nice that you encourage us to request such things. In my oppinion, ability to place objects in SIMIO by modification of xml file will be great. Although, I can use API and Excel-add on, it is slow if you have more objects. We made some modifications to the add-on Glen created, so that it is not switching between excel and simio after each row, but still for hundreds of object (even simple nodes) it takes a long time. And you want to utilize some automation when it comes to placing hundreds of objects. Or enabling SIMIO to do this add-on placing of objects quickly will solve the problem for us. I can send you the files and modified add-on if you are interested in testing.
  12. Hi, I am quite confused with the flow entities. When entity is converted into flow using ItemToFlow object these flowentities can be seen in watch window in a pipe. The volume of this flow entity seems to vary based on the cross-section of the first pipe after the IntemToFlow object. Why am I asking this question? I deal with a model, where volumes are in m3 and weights in tons, and soon the model will come up with more than 2500 entities (flow entities) because it chunks the flow into small discrete entities (ike .3 m3 per each). I would like to set this so that it is for instace 1m3 chunk. Is this possible? Petr
  13. Hi, I think there is a misunderstanding about the material. Material is an element and therefore cannot be transfered to a node. I believe that this is because it is a more lightweight than the entity. So if you have many materials it will not consume your memory (you have one material and SIMIO just holds information about its quantity). So you can't move one quantity of material. What you can do for visualisation purpose is to create an entity acting on behalf of one quantity of material (or more like a box full of bolts). And than move it. There is an implementation of using BOM table and Search step to find materials to consume.
  14. It depends on what you want to model. If the picked up entity is of no use after you can simply destroy it. Or you can create Firefighters as vehicles or workers Because vehicles and workers are based on entities.
  15. Cant open the model (please next time tell us that you use academic version). But from my experience this Error is caused by entity haven't end its transfer step. If you use transfer into station you must create proces mystation_entered triggered by mystation_entered_event and place EndTransfer step there. Otherwise entity hangs in WaitingFor transfer state. The other possibility is that another process is already dealing with this entity and is transfering it. This sometimes happen if you search queue or station for entities and try to transfer them. If you don't check carefully for entities already beeing transfered, you get this message.
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