# Matthew Mishrikey

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**Feeds**

Question

variables with scope local to subsystem

I'm a bit confused about variable scope. I think I know what's going on but am looking for confirmation and maybe advice on th...

2 years ago | 1 answer | 0

### 1

answerRadio Button Mask for Simscape Block

I figured out a way. I saw a snippet of code in one of the videos on the topic, and it gave me enough clues to write a callback...

2 years ago | 0

| accepted

Question

Radio Button Mask for Simscape Block

I have a stock Simscape block (Cauer Element) that has two parameters - Resistance and Tau. I am trying to add a mask to modify...

2 years ago | 1 answer | 0

### 1

answerQuestion

get_param fails with simscape block

Weird/unexpected behavior, not sure if it's a bug. I'm trying to use get_param to access a stock simscape thermal component. I...

2 years ago | 1 answer | 0

### 1

answerBasic Slider Switch question

I think I figured out a way. I hope there's a better solution because this seems like a royal pain. 1) in the simscape compone...

2 years ago | 0

Basic Slider Switch question

I think I'm getting closer to an answer here. I setup slider switch to control a constant block, which feeds a data store wri...

2 years ago | 0

Question

Simscape Block Parameter not Tunable

I wish to control a Simscape block parameter using the dashboard slider switch. I select Temperature Source, but the slider swi...

2 years ago | 1 answer | 0

### 1

answerQuestion

Simulink dashboard switch to control masked parameter

I wanted to have a slider switch control such that On position would make it 1 Ohm and off position would make it 5 ohms. The s...

2 years ago | 1 answer | 0

### 1

answerTwo circles geometry problems

Not clear from the second drawing what the dl of interest is. Let's assume dl is the distance between the left edge of each ci...

2 years ago | 0

| accepted

Control Design Onramp with Simulink

Enter learning.simulink.launchOnramp('controls') in your MATLAB window.

2 years ago | 2

Question

Parameter Writer block not recognizing blocks

In image below I show a sim with a slider switch that modifies the constant block on the left. This the uses a goto/from block ...

2 years ago | 1 answer | 0

### 1

answerIs there a way to nest transfer functions?

Okay, nevermind, found the solution is to use s = tf('s') rather than tf([num dem]).

2 years ago | 0

| accepted

Question

Is there a way to nest transfer functions?

I wish to build up a transfer function inside a for loop such that each iteration builds up a new transfer function based on pre...

2 years ago | 1 answer | 0

### 1

answerQuestion

Basic Slider Switch question

I was curious if it was possible to make a slider switch dashboard element control more than one block simultaneously. Alterna...

2 years ago | 3 answers | 0

### 3

answersSimscape/Simulink persistent variable in algebraic loop

I think I managed to figure out a solution. As suggested elsewhere a delay block can "break" the algebraic loop. I needed thr...

2 years ago | 0

| accepted

Question

Simscape/Simulink persistent variable in algebraic loop

I have a simple Simscape electrical model containg a circuit that trips if a current is exceeded. I want the trip to happen a c...

2 years ago | 2 answers | 0

### 2

answersQuestion

Generate Zth transient thermal impedance curves with Simscape

Simscape has some nice thermal domain elements like Cauer thermal model elements. I was looking to generate a set of Zth curves...

2 years ago | 1 answer | 0

### 1

answerQuestion

Trying to convert Kelvin to Celsius in Simscape code

I have a simulation with some Simscape Thermal and Electrical elements. The electrical element is a modification of the stock t...

2 years ago | 1 answer | 0

### 1

answerQuestion

simscape block node arrangement

In the IGBT example here: https://www.mathworks.com/help/physmod/sps/ug/Troubleshoot-of-spice-nigbt-conversion.html the gener...

3 years ago | 1 answer | 0