Devdatt Lad

Last seen: 3 days ago

MathWorks

31 total contributions since 2011

Devdatt Lad's Badges

Submitted

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

4 years ago | 10 downloads |

Answered
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...

4 years ago | 3

| accepted

Answered
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...

5 years ago | 0

| accepted

Answered
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...

5 years ago | 0

Answered
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...

5 years ago | 0

Answered
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...

5 years ago | 0

| accepted

Answered
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.

6 years ago | 0

Answered
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....

7 years ago | 0

Answered
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...

7 years ago | 0

| accepted

Answered
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 ...

7 years ago | 0

| accepted

Answered
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...

7 years ago | 0

| accepted

Answered
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 ...

7 years ago | 0

| accepted

Answered
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...

7 years ago | 0

Answered
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...

8 years ago | 0

| accepted

Answered
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...

8 years ago | 0

| accepted

Answered
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...

8 years ago | 0

| accepted

Answered
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 ...

8 years ago | 1

Answered
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...

8 years ago | 0

| accepted

Answered
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...

8 years ago | 0

Answered
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...

8 years ago | 0

| accepted

Answered
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...

8 years ago | 0

Answered
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 ...

8 years ago | 1

Answered
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...

8 years ago | 0

| accepted

Answered
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...

9 years ago | 0

Answered
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...

9 years ago | 0

Answered
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...

9 years ago | 0

| accepted

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

9 years ago | 0

| accepted

Answered
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...

9 years ago | 0

| accepted

Answered
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...

9 years ago | 0

| accepted

Answered
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...

9 years ago | 1

| accepted