Fangjun Jiang
What is a model? Professional Interests: Model-Based Development
Statistics
RANG
23
of 275 703
RÉPUTATION
9 290
CONTRIBUTIONS
13 Questions
3 646 Réponses
ACCEPTATION DE VOS RÉPONSES
76.92%
VOTES REÇUS
1 411
RANG
of 18 571
RÉPUTATION
N/A
CLASSEMENT MOYEN
0.00
CONTRIBUTIONS
0 Fichier
TÉLÉCHARGEMENTS
0
ALL TIME TÉLÉCHARGEMENTS
0
CONTRIBUTIONS
0 Publications
CONTRIBUTIONS
0 Public Chaîne
CLASSEMENT MOYEN
CONTRIBUTIONS
0 Point fort
NOMBRE MOYEN DE LIKES
Contribute at least one answer each month for 36 consecutive months
Awarded to Fangjun Jiang on 04 Mar 2020
Answer 10 questions that were unanswered for more than 30 days
Awarded to Fangjun Jiang on 17 Oct 2019
Publish your first review
Awarded to Fangjun Jiang on 09 Oct 2019
Accept 5 answers given by other contributors
Awarded to Fangjun Jiang on 20 Jul 2017
100 of your answers have been accepted
Awarded to Fangjun Jiang on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Fangjun Jiang on 20 Jul 2017
Solve a problem for the first time
Awarded to Fangjun Jiang on 27 Jun 2012
Content Feed
How to obtain a vector (A) of 11 rows (output MATLAB Function block), from a vector (B) of 501 rows (input to the MATLAB Function block)?.
The straight solution is to use below. function y=f(A,B) temp=sqrt((A).^2+(B).^2); y=temp(1:49:450); Simulink is strict on k...
environ 6 heures il y a | 0
Using Try/For loop to allocate correct serial port number
See help document for "break" and "continue" for k=1:100 port=sprintf('COM%d',k); try ND280 = serialport(por...
environ 10 heures il y a | 0
| A accepté
How to fetch the documentation content of a Doc block?
See this Answer. https://www.mathworks.com/matlabcentral/answers/521695-my-docblock-data-doesn-t-update-programmatically
environ 11 heures il y a | 0
update a parameter in function block each timestep in simulink
Use the "Ramp" block to generate such a signal.
6 jours il y a | 0
Simulink, simout problem
The error is from the Simulink model itself. It can't determine the size of certain signals, most likely from the MATLAB Functio...
7 jours il y a | 0
Error evaluating 'InitFcn' callback of block_diagram 'SIMULINK_MODEL'. Callback string is 'MATLAB_MODEL' Caused by: Error using MATLAB_MODEL
Most likely, it is looking for a file named "MATLAB_MODEL_v20180919.m". Search for that file and check if the folder is in your ...
9 jours il y a | 0
Simulink: changing gain based on input
For this, it sounds like you just need a Gain block. Set the gain value to be 255/pi, when the input is 0, the output is 0. When...
9 jours il y a | 0
I want to correct this command please
The three equations form a non-linear ODE with three independent variables (x,y,z). Because they are coupled, you can't solve th...
12 jours il y a | 1
Why can I break Simulink library links by right-clicking in the model, but can't programmatically?
"Implicit" means Block resides in library block and is itself not a link to a library block. Suppose that A is a link to a subsy...
12 jours il y a | 0
Extracting values from a string - Matlab
You got string array (" ") and char array( ' ') mixed. See which data format fits you better. ind = "i 1 1" ind(1) ind2=char(...
12 jours il y a | 0
| A accepté
How to log signal data from simulink to matlab with higher time interval to avoid high data storage?
Set the "Decimate data" to be 300. It means log every 300th data. It may not guarantee 0.3 second if using variable step size so...
13 jours il y a | 1
| A accepté
Find maximum value in a column of each cell in a large set of cell array?
c={rand(10),rand(11),rand(12)}; N=5; cellfun(@(M) max(M(:,N)),c)
14 jours il y a | 0
| A accepté
I would like to convert data of double type to single type before code generation in 2020A Simulink, without using Cast blocks on most functions.
See this example Validate a Single-Precision Model
15 jours il y a | 0
| A accepté
Unable to use the variable from workspace which is sent to the MATLAB workspace using 'To workspace' block of the Simulink.
"Unable to read file 'IEEE_14_Bus_System_SM_FFR.mat'. No such file or directory." Make sure you have that .mat file. Use Comman...
15 jours il y a | 0
| A accepté
Returning output signals from a Simulink block to Matlab
Access Data in a MATLAB Function During Simulation
16 jours il y a | 0
| A accepté
Does anyone know how I can connect a matlab function block with memory block and a controlled current source?
See this How to Use Globals with the MATLAB Function Block
16 jours il y a | 0
Modify In/Output Port names with a MATLAB script
Something like this: [~,~,InPortNames]=xlsread('ExcelFileName'); % read Excel file to get PortNames as a cell array InPorts=fi...
19 jours il y a | 0
Dynamic Modeling of Wheel-track Composite Vehicle
Vehicle Dynamics Blockset has dual track model as well as wheel/tire dynamics. Not sure if this meets your need or whether you h...
20 jours il y a | 0
Is it possible to convert a referenced Configset to a regular Configset that is not referenced from an sldd?
copy, attach and setActive. similar to the example here? https://www.mathworks.com/help/simulink/slref/simulink.configsetref.ht...
21 jours il y a | 0
I noticed that some GoTo and From signals (input port no. 1) are not connected properly after the transfer (from one system to another system) of the model.
The number on top of the line indicates the size of the signal. "1" means a scalar. "2" means 1x2 or 2x1 vector. "?" means it ca...
21 jours il y a | 0
| A accepté
How to achieve fan rpm with increasing step size?
The "step" increase you saw is probably determined by your lookup data and simulation step size. What you really need is proba...
22 jours il y a | 0
| A accepté
Does anyone know which Simulink Block this is?
It looks like the "Fcn" block specified as "u(1)". It is used to pick out the first element. https://www.mathworks.com/help/re...
23 jours il y a | 1
| A accepté
How to skip an empty value
You can use isempty(rp) to check, and then ignore as needed.
23 jours il y a | 0
| A accepté
Unpack structure, only some fields
make use of fieldnames()? Avoid using the unpack() name. There is a built-in function with the same name. par.a=3.5; par.b=[4...
23 jours il y a | 0
Element wise (.*) in Simulink for two matrices with different dimensions
a=[1 2 3; 4 5 6]; b=[1; 0]; a.*b This is a change made in MATLAB in R2016b when implicit expansion is introduced. Prior to R2...
23 jours il y a | 0
| A accepté
Is it possible to change a parameter in a Simulink model each time it is run via a for loop in a MATLAB script?
Yes. Run Simulations Programmatically sim()
23 jours il y a | 0
How do I fetch the linked Data Dictionaries to a Simulnik model with Commands?
There is an API. Start from here https://www.mathworks.com/help/simulink/ug/store-data-in-dictionary-programmatically.html
23 jours il y a | 0
| A accepté
Delay certain subsystem in simulink
Make the subsystem a triggered subsystem. The Clock block gives you the simulation time. Compare its output to a Constant block,...
24 jours il y a | 0
Checkpoint to save the state of Simulink simulation at a specific sample time
Start from here https://www.mathworks.com/help/simulink/ug/model-operating-point-for-faster-simulation.html
25 jours il y a | 0
| A accepté
How to activate the Edit-time checks under the Model advisor
on the Modeling tab, beside the "Model Advisor", click the little "down" triangle to see the "drop down list", then check or un-...
27 jours il y a | 0
You can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)
Asia Pacific
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)