photo

David John

MathWorks

Last seen: 7 days ago Active since 2018

Followers: 0   Following: 0

Statistics

MATLAB Answers

0 Questions
67 Answers

RANK
354
of 300,343

REPUTATION
236

CONTRIBUTIONS
0 Questions
67 Answers

ANSWER ACCEPTANCE
0.00%

VOTES RECEIVED
12

RANK
 of 20,926

REPUTATION
N/A

AVERAGE RATING
0.00

CONTRIBUTIONS
0 Files

DOWNLOADS
0

ALL TIME DOWNLOADS
0

RANK

of 168,172

CONTRIBUTIONS
0 Problems
0 Solutions

SCORE
0

NUMBER OF BADGES
0

CONTRIBUTIONS
0 Posts

CONTRIBUTIONS
0 Public Channels

AVERAGE RATING

CONTRIBUTIONS
0 Highlights

AVERAGE NO. OF LIKES

  • Knowledgeable Level 4
  • Knowledgeable Level 3
  • Revival Level 3
  • First Answer

View badges

Feeds

View by

Answered
Phase Change Material in Simscape
In answer to your follow-up question, have a look at fl_lib. Look at the Sensors in the Two-Phase Fluid section. It's best pract...

7 days ago | 0

Answered
Custom Simscape/Simulink Library
Consider adding an sl_postprocess.m file to your library directory, sl_postprocess - Make postprocessing customizations when bui...

5 months ago | 0

Answered
T-junction with thermal equivalent circuit
Consider a "Heat Flow Rate Source" or a "Controlled Heat Flow Rate Source". It can also be connected to the thermal port of any ...

5 months ago | 0

Answered
Modifying Simscape Initial Conditions
Internal states, i.e., states that are introduced by Simscape as part of the compilation process, may have a number following th...

5 months ago | 0

| accepted

Answered
Can someone help me name all this component Thak youu
Click on a block to reveal the name. Then click on the name, and rename it.

5 months ago | 0

Answered
Discrete Phasor domain in Simscape
If you want to solve Simscape equations in phasor, try selecting "Frequency-and-time" as the Equation formulation on the Solver ...

5 months ago | 1

| accepted

Answered
How to fix State of charge must be greater than or equal to minimum value of the Vector of state-of-charge values, SOC.
Most likely the state-of-charge is crossing 0 at that time of your simulation. Try taking a look at the stateOfCharge variable i...

2 years ago | 1

Answered
Diode Power losses in Simscape Electrical
Reverse recovery loss can now be tabulated for a diode using the Simscape Electrical diode block: Piecewise or exponential diode...

3 years ago | 1

| accepted

Answered
Spice Netlist to Simscape Conversion Issue - LIB directive
The .subckt definition is not quite right for XU1 and XU2. There are some dashes missing from the subcircuit names in order to l...

3 years ago | 1

Answered
Calling time step and values of Previous time step in a component file of simscape
(1) I'm not 100% sure what you mean with this question, but fuelcell.ssc defines the Simscape model for one block of the overall...

3 years ago | 1

| accepted

Answered
Simscape - Transient initialization vs Transient Solve
The transient solve also solves for the algebraic variables. At an event, we re-initialize in order to handle possible jumps in ...

3 years ago | 0

| accepted

Answered
How to show component values in Simscape model
The solution provided by Dean is the most robust one. If you're unsure what the parameter name is, you can hover it with your mo...

3 years ago | 0

| accepted

Answered
Spice Netlist to Simscape Conversion Issue - LIB directive
On lines 25 and 111 of the lib file, you have stray newlines in the middle of a continued line. Please try removing those two bl...

3 years ago | 1

| accepted

Answered
Error compiling Simscape network for model
The units of "Table grid vector" in "PS Lookup Table (1D)" should be 'm' instead of '1'.

3 years ago | 0

| accepted

Answered
Is it possible to create a simscape block with three nodes?
branches q1 : a.q -> b.q; q2 : a.q -> c.q end

3 years ago | 0

| accepted

Answered
Not connected in SimScape
In older releases, there are blocks that allow you to do this. For example, in the electrical domain, there is the "Open Circuit...

3 years ago | 0

| accepted

Answered
Capturing efficiency of a system while sweeping voltages and duty cycle parameters
There is an example that is doing parametric sweeps like you describe: https://www.mathworks.com/help/physmod/sps/ug/converter-d...

3 years ago | 0

| accepted

Answered
Simulink Model for ohmic heating in a resistor
Have a look at the Variable Resistor and Thermal Resistor blocks. The source code should be available for both of these blocks. ...

3 years ago | 1

| accepted

Answered
Nonlinear Capacitor (Debye Relaxation Model)
If your "Series resistance" is zero, then DF1 and DF2 are just the same as your values for "Dissipation factors (%) at f1 and f2...

3 years ago | 0

| accepted

Answered
Change transformer parameters form Guide app
The parameter value should be a string or character vector instead of a double or array of doubles.

3 years ago | 0

Answered
Voltage measurement for simscape model
If I understand correctly, you want to know the voltage at port 2 on each of these subsystems wth respect to ground. You can use...

3 years ago | 1

Answered
How do I identify the exact string to use to programmatically configure a Simscape component's parameters when instantiating it?
If you let your mouse hover over a parameter in the block mask, the programmatic name should appear.

3 years ago | 0

| accepted

Answered
Disable blocks through code
use set_param to set the "Commented" parameter to "on". For example, if you have a model called "model" with a block that you w...

3 years ago | 0

Answered
Add Reset Function to Simscape Integrator Block
In 2018 it was true that Simscape did not let you reset integrators. In a more recent release, however, you can do it using the ...

3 years ago | 0

Answered
Difference between Blue Simscape and Black Simscape Mosfet
The blue one is in the Simscape language and is compatible with all Simscape components. The black one is for "Specialized Power...

3 years ago | 0

| accepted

Answered
Does the location of Solver Configuration matters?
The location doesn't matter. It just needs to be connected to something from the physical Simscape network.

3 years ago | 0

Answered
defining the constant mentioned in the parameter's value
This parameter gets loaded into the MATLAB workspace when you open the example model. If you go to MATLAB and look at the variab...

3 years ago | 0

Answered
Question about the term "Vf*Ron*Goff" in the series voltage in diode block from Simscape Electrical.
In the off-state, the diode equation is: v = i/Goff In the on-state, the equation is: v = i*Ron + Vsource where Vsource is l...

4 years ago | 0

| accepted

Answered
MOSFET SPICE models .lib file into Simulink using subcircuit2ssc
Most likely this is because you have nested subcircuits. In particular, there is: .ENDS TO263_7_11_HVM_1G75_1S500_100MHz_parlel...

4 years ago | 0

| accepted

Answered
Why the Grading coefficient 'M' of the spice diode must less than 0.9?
The grading coefficient affects the diffusion capacitance. The equations are shown at SPICE-compatible diode - MATLAB (mathworks...

4 years ago | 0

| accepted

Load more