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Control Algorithm Design, Signal and Data Processing, Mechanical Engineering
Python, C, MATLAB
Spoken Languages:
English, Chinese
Pronouns:
He/him
Professional Interests:
Control Algorithm Design, Signal and Data Processing, Mechanical Engineering
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Feeds
Question
LSTM network time series prediction error occurs at the initial time step
I have trained a LSTM network for time series regression. After training, I want to test its performance based on the test datas...
15 days ago | 1 answer | 0
1
answerQuestion
Training error when use selfAttentionLayer with DropOut
I want to use selfAttentionLayer to construct the time series prediction model. However, when I use selfAttentionLayer with Drop...
16 days ago | 1 answer | 0
1
answerAnswered
ode23s solver vs ode15s solver when simulating nonliner system with significant nonlinearity and stiffness
I have find that the issue of the ode15s solver is caused by the term which has discontinuous time derivatives. After replacing...
ode23s solver vs ode15s solver when simulating nonliner system with significant nonlinearity and stiffness
I have find that the issue of the ode15s solver is caused by the term which has discontinuous time derivatives. After replacing...
25 days ago | 0
| accepted
Question
ode23s solver vs ode15s solver when simulating nonliner system with significant nonlinearity and stiffness
For simulating the closed loop system of the electro hydraulic system incorporating advanced nonlinear controller, I used ode ob...
26 days ago | 1 answer | 0
1
answerQuestion
How to understand the input and output arguments of preparets function for network training
For training NARX network, we need to prepare input and target time series data using preparets function. However, the preparets...
28 days ago | 1 answer | 0
1
answerAnswered
Electro-hydraulic actuator system simulation generates complex result under open-loop simulation mode
I have find that the complex result issue appeared in the single step forward prediction is induced by the discretization error ...
Electro-hydraulic actuator system simulation generates complex result under open-loop simulation mode
I have find that the complex result issue appeared in the single step forward prediction is induced by the discretization error ...
29 days ago | 0
| accepted
Question
Neural ODE Modeling of a Single-Link Robot with External Input
I want to construct the NeuralODE model of a single-link robot which can be described as ODEs with external control input: wh...
1 month ago | 1 answer | 0
1
answerQuestion
Electro-hydraulic actuator system simulation generates complex result under open-loop simulation mode
I have generated simulation datas of electro-hydraulic actuator (EHA) using the explicit physical model based on MATLAB's ode so...
1 month ago | 2 answers | 0
2
answersQuestion
Only File Exchange Access Denied When I Want to Access the File Exchange
When I want to access the File Exchange part of Mathworks Community, the following error message is displayed in my Edge browser...
1 month ago | 0 answers | 0
0
answersQuestion
Electro-hydraulic actuator system simulating based on ode object generates error
I want to simulate the electro-hydraulic actuator (EHA) system using MATLAB's ode object. The schematic diagram of the EHA is sh...
1 month ago | 1 answer | 0
1
answerAnswered
Simulating a system of damped PDEs with the Matlab PDE toolbox.
@Moritz. The 3D (x, y, z) PDEs presented in your question can be reformulated as vectorized form. The and . You can specify the...
Simulating a system of damped PDEs with the Matlab PDE toolbox.
@Moritz. The 3D (x, y, z) PDEs presented in your question can be reformulated as vectorized form. The and . You can specify the...
2 months ago | 1
Answered
What is the mathematical procedure (matlab code) step by step to perform the Generalized Morse Wavelets?
@Angel Lozada. You can examine the source codes of wt and cwt by inputing type functionName command in the MATLAB command window...
What is the mathematical procedure (matlab code) step by step to perform the Generalized Morse Wavelets?
@Angel Lozada. You can examine the source codes of wt and cwt by inputing type functionName command in the MATLAB command window...
3 months ago | 0
| accepted
Answered
I am unable to find aerodynamic propeller block on my simscape multibody, I am working on drone simulation and using matlab 2025a; do not know if it is link to a specific add
@Imami Joel. The Aerodynamic Propeller block is in Simscape/Driveline/Engines&Motors libraris.
I am unable to find aerodynamic propeller block on my simscape multibody, I am working on drone simulation and using matlab 2025a; do not know if it is link to a specific add
@Imami Joel. The Aerodynamic Propeller block is in Simscape/Driveline/Engines&Motors libraris.
3 months ago | 0
Answered
How to construct Kolmogorov-Arnold Network based on MATLAB's Deep Learning Toolbox
After referring to the open-source Github repository pykan, I have successfully implemented a custom KAN layer based on MATLAB's...
How to construct Kolmogorov-Arnold Network based on MATLAB's Deep Learning Toolbox
After referring to the open-source Github repository pykan, I have successfully implemented a custom KAN layer based on MATLAB's...
3 months ago | 0
| accepted
Question
How to construct Kolmogorov-Arnold Network based on MATLAB's Deep Learning Toolbox
Kolmogorov-Arnold Networks (KANs) are theoretically grounded alternatives to conventional Multilayer Perceptrons (MLPs). KANs ar...
3 months ago | 1 answer | 2
1
answerAnswered
I’m having trouble calculating the digit probability of π in a basic MATLAB Cody problem. Any help would be appreciated.
@BINITO. I have tried to use AI for solving the issue, the answer provided by AI is: % ------------------------------ Version f...
I’m having trouble calculating the digit probability of π in a basic MATLAB Cody problem. Any help would be appreciated.
@BINITO. I have tried to use AI for solving the issue, the answer provided by AI is: % ------------------------------ Version f...
3 months ago | 0
Answered
how to plot these 2 column data into a curve on oxy plane
load matlab_data.mat plot(T.x,T.y,'o--'); title(string(ans))
how to plot these 2 column data into a curve on oxy plane
load matlab_data.mat plot(T.x,T.y,'o--'); title(string(ans))
4 months ago | 1
Answered
Verification failed to check the validity of the customize layer with Incorrect type of 'Z' for 'predict'
After debugging for a long time, I find that the issue is caused by the default initialization of single precision in dlnetwork'...
Verification failed to check the validity of the customize layer with Incorrect type of 'Z' for 'predict'
After debugging for a long time, I find that the issue is caused by the default initialization of single precision in dlnetwork'...
4 months ago | 0
| accepted
Question
Verification failed to check the validity of the customize layer with Incorrect type of 'Z' for 'predict'
I want to create a customized deep learning layer with nested dlnetwork according to the example presented in Example. After cre...
4 months ago | 1 answer | 0
1
answerQuestion
What is the best practice to train a NeuralODE model with very small learnable parameter ?
I want to train a NeuralODE model which approximates a complicated physical system with complex governing ODEs. The physical sys...
5 months ago | 1 answer | 0
1
answerQuestion
How to realize Maximum Mean Discrepancy (MMD) based on pdist2 function ?
The MaximumMean Discrepancy (MMD) is a statistical testing method and one of the most widely used distance metrics in transfer l...
5 months ago | 0 answers | 0
0
answersQuestion
How to read a text file with irregular timestamp data using detectImportOptions function ?
I want to read the condition monitoring datas stored in the text file. The data text file has 7 colums, where the first colum re...
5 months ago | 1 answer | 0
1
answerAnswered
simulink仿真结果数据采集
@张海云. You can use Simulink.SimulationInput objects to configure 1000 models with different setting. Then, you can use parsim to ...
simulink仿真结果数据采集
@张海云. You can use Simulink.SimulationInput objects to configure 1000 models with different setting. Then, you can use parsim to ...
5 months ago | 0
| accepted
Answered
How to implement interpolation using Prelookup using a MATLAB function?
@Amr. interpn can be used for N-D interpolation (table lookup). Data = rand(1201,26,37,384); [X1,X2,X3] = ndgrid(linspace(0,2,...
How to implement interpolation using Prelookup using a MATLAB function?
@Amr. interpn can be used for N-D interpolation (table lookup). Data = rand(1201,26,37,384); [X1,X2,X3] = ndgrid(linspace(0,2,...
5 months ago | 0
Answered
Size of predictions and targets must match.
@Bahadir. As indicated by the error message, the size of prediction and the target must be equal. I think you should reduce the ...
Size of predictions and targets must match.
@Bahadir. As indicated by the error message, the size of prediction and the target must be equal. I think you should reduce the ...
5 months ago | 1
| accepted
Answered
Movmedian with non-uniform sample points
@Robert Watson.The SamplePoints argument of movmedian function represents the location of data, it must has the same length with...
Movmedian with non-uniform sample points
@Robert Watson.The SamplePoints argument of movmedian function represents the location of data, it must has the same length with...
5 months ago | 0
Question
How to integrate a control system by ode45 with PID control input ?
I want to simulate a control system using ode45 function. The system model can be expressed as , where the control input is the...
5 months ago | 2 answers | 0
2
answersAnswered
Imaginary output from arccosine function when the input is close to -1
@Ali. After loading the m and n vectors from your attached NormalVectors.mat file. I find that the calculation result of theta i...
Imaginary output from arccosine function when the input is close to -1
@Ali. After loading the m and n vectors from your attached NormalVectors.mat file. I find that the calculation result of theta i...
5 months ago | 1
| accepted
Answered
what is power spectrum value mean ('pspectrum')
@지호. The documentation of pspectrum illustrates that the calculation processes to construct the spectrogram of a nonstationary s...
what is power spectrum value mean ('pspectrum')
@지호. The documentation of pspectrum illustrates that the calculation processes to construct the spectrogram of a nonstationary s...
5 months ago | 0
Answered
How to change folder for "slprj" folder generation?
@Sergei. For setting up the path of "slprj" folder, you have to configure the SimulinkCacheFolder of project. For instance, my...
How to change folder for "slprj" folder generation?
@Sergei. For setting up the path of "slprj" folder, you have to configure the SimulinkCacheFolder of project. For instance, my...
5 months ago | 1
| accepted
