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Devdatt Lad


MathWorks

31 total contributions since 2011

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Vehicle Traffic Patterns at an Intersection (SimEvents)
Study vehicle traffic patterns at a street intersections to figure out best approach using SimEvents

3 years ago | 12 downloads |

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Access current simulation time in SimEvents blocks
You can create a Simulink Function t = getTime() which contains a Digital Clock block and then call this function from any event...

3 years ago | 3

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Simulation time after last entity is generated in SimEvents
There's not enough information in your question for me to understand the model. But in general a purely discrete event simulatio...

3 years ago | 0

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Storing entities attributes in a Data Store Table
You can try using the Assignment block in Simulink Math library to assign the value to a specific element of your Data Store Mem...

3 years ago | 0

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How can limit the number of generated entities in SimEvents?
You have a couple of options on how to create your expected number of entities. If you know when the 20 entities are to be g...

3 years ago | 0

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Changing Simevent attribute using Matlab Function Block
The Server does not need a delay of 1 for this to work - it should work with a delay of 0. The reason for the extra Server is to...

3 years ago | 0

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Signal Scope Title Cut-Off by Window Border. How do I fix it?
Try using the Simulink Scope in Simulink / Sinks library instead of the SimEvents scope.

5 years ago | 0

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Why I am getting this error "Error evaluating function 'des_setDesSfunPorts': Internal error in SimEvents engine while compiling the model."
This is an internal error and your best bet would be to contact MathWorks Technical Support on this one. <http://www.mathworks....

5 years ago | 0

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Attribute Function sets output variables to zero on first use
Looks like the Attribute Function block in this model has gotten corrupted somehow. Can you pull in a new instance from the libr...

6 years ago | 0

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What on earth is "hidden SEPropMediator block"?
This is an internal-only error message and should have been re-worked before being displayed by the product. Please file a Tech ...

6 years ago | 0

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How can I select an entity with a specified attribute within a queue?
You can create an interative scheme in which each entity is moved out of the queue, then tested, and if it fails the test then r...

6 years ago | 0

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Can I store an entity and resend it to multiple N destinations?
Check out the following example which also ships with the SimEvents product. It shows how to create a variable number of copies ...

6 years ago | 0

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Simevents: Schedule a Signal Change or Function Call in delta_t
Check out the "Signal Based Function Call Generator" block which can delay an input function-call in time. If it receives a func...

6 years ago | 0

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Accumulator for Event-based model...
I assume the feedback accumulator you describe is an Add block whose output is fed back via a Memory block to itself. Try placin...

6 years ago | 0

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Using queue size to permit entity creation
If you can set the Capacity of the Queue to be 20, then the Time-Based Entity Generator that is feeding this Queue can be config...

6 years ago | 0

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How can I attribute real manufacturing data to entities in simevents?
Check out the SimEvents example that ships with the product called: "Initializing Entities from External Data Sources" Thi...

6 years ago | 0

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How can read data of entity in queue
Currently you cannot peek inside a queue to look at entity attributes. As RyanG said, you can only pull out attribute values as ...

7 years ago | 1

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Multiple Queue Counting as Trigger for Gate
Check out the <http://www.mathworks.com/products/simevents/examples.html?file=/products/demos/shipping/des/sedemo_resource_alloc...

7 years ago | 0

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Creating multiple time entities from a single SimEvents entity generator
In the Time-Based Entity Generator block, set the "Generate entities upon" parameter to be "Intergeneration time from port t". N...

7 years ago | 0

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Server selecting which Queue to server
Unless I'm missing something, the Path Combiner should work for your case. Connect the highest priority queue to input port 1 of...

7 years ago | 0

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Discrete Event Simulation
I don't know of an already existing example out there, but I can point you to some examples that are available with SimEvents th...

7 years ago | 0

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SimEvents, multiple entity generation
The input signal to the Time Based Entity Generator block is "inter-generation time" and not absolute generation time. Hence if ...

7 years ago | 1

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Global variables in 'Attribute Function' block (Simulink - Sim events)
Currently, it's not possible to use global data, signal input/output or parameters with the Attribute Function block. The attrib...

7 years ago | 0

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Simulate Data Movement in an Enterprise Computer System
Agree with Walter. Check out the following demo as a starting point: <http://www.mathworks.com/videos/simevents/ethernet-simu...

8 years ago | 0

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Generating multiple entities per sample time with different attribute values
From your description, it seems that you're expecting interspersed block execution to happen, i.e. generate an entity between th...

8 years ago | 0

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SimEvents Maximum time as Output
Not sure I understand the model enough from your description, but if your system really should have only one entity at a time, a...

8 years ago | 0

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simple SimEvents model
1) For "tout" see <http://www.mathworks.com/help/toolbox/simulink/gui/bq7cpr_.html Data Import/Export Pane> 2) Each SimEvents...

8 years ago | 0

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Assign Attribute From Matlab Workspace
Use the statistic |Number of entities departed, #d| from the time-based entity generator block and feed it to a Discrete Event S...

8 years ago | 0

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Blocking Probabilty
In general, you can use any of the statistics from the server, feed them into a Discrete-Event Subsystem (DESS) from the SimEven...

8 years ago | 0

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How to make stateflow sample simevents' entity's attributes when the function call happens?
The one-event delay is usually caused by the absence of a Single Server block with zero service time that causes operations to b...

8 years ago | 1

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