Question

Matlab look up table

Hi , i want to give the data of 50 vehicle's SoC (%) to look up table in simulink instead of varying 24 values of one SoC over...

1 day ago | 0 answers | 0

Question

Matlab LOOK up Table

I have 50 data points and i have imported these 50 data points from matlab to look up table,and has given 50 breakpoints.i am si...

1 day ago | 0 answers | 0

Question

What is the difference between Optimproblem and linprog

Please help, The below syntax creates a linear optimisation problem ? prob = optimproblem What is the difference of this abo...

5 days ago | 2 answers | 0

Question

How battery energy is calculated in Microgrid Energy Management System (EMS) using Optimization

Can some one please explain how the battery energy is calcuated in the matlab example file, https://www.mathworks.com/matlabcen...

8 days ago | 1 answer | 0

Question

Plot data against time

Hi, Kindly help to plot this workspace data , first column is formatted date and secnd column data against the date:Original da...

16 days ago | 1 answer | 0

Question

how can I initialize two diesel generators in parallel in MATLAB ?

As detailed in the link below:, can i connect two diesel generators connected in parallel sharing load?What chaneg should i make...

22 days ago | 0 answers | 0

Question

How can i plot two columns in different colors in MATLAB

can someone suggest me how to plot 2nd and 3 rd column in x axis in differnt colors as scatter plot against the 1st column...

26 days ago | 1 answer | 0

Question

Convert date from number to format in matllab

I have original time and date format as mentioned below: 2/17/2020 9:48:18 AM I did forecasting using this , and after foreca...

1 month ago | 1 answer | 0

Question

NPN Bipolar Transistor Characteristics

In the matlab example , NPN Bipolar Transistor Characteristics https://www.mathworks.com/help/physmod/sps/ug/npn-bipolar-trans...

1 month ago | 1 answer | 0

Question

Importing data rom matlab to simulink

Hi , When i import time series data from matlab to simulink,it appears as individual data not as corresponding to time.(image ...

1 month ago | 0 answers | 0

Question

Please advice how to convert date array to seconds format

here by attaching date formats and their respective code, kindly advice how can i convert it to seconds form as attached.. ...

1 month ago | 0 answers | 0

Question

What does the "X/R ratio " checkbox signify in the Three-Phase Source block in SimPowerSystems?

What does the "X/R ratio " checkbox signify in the Three-Phase Source block in SimPowerSystems? By default it is 7, what is its...

1 month ago | 1 answer | 0

Question

Load flow and machine initialization are not working

Hi, In this below example, https://www.mathworks.com/help/physmod/sps/ug/emergency-diesel-generator-and-asynchronous-motor.h...

2 months ago | 0 answers | 0

Question

synchronous machine _maximum power capacity

Synchronous machine -Swing bus -3.125MVA , active power =0 is initialised and connected to resistive load 2.5MW.It generates 2....

2 months ago | 0 answers | 0

Question

Power generated by Diesel Generator _Clarification

Hi With respect to the Matlab example , https://www.mathworks.com/help/physmod/sps/ug/24-hour-simulation-of-a-vehicle-to-grid...

2 months ago | 0 answers | 0

Question

Machine initialization_Diesel generator

Hi, I want to model an islanded microgrid concept with diesel generator with loads, so after doing load flow/machine initializ...

2 months ago | 0 answers | 0

Question

Doubt regarding the example 'Emergency Diesel-Generator and Asynchronous Motor'

In the matlab example below, https://www.mathworks.com/help/physmod/sps/ug/emergency-diesel-generator-and-asynchronous-motor.ht...

2 months ago | 0 answers | 0

Question

Simulink_PV block not working if not grid connected

I used P V models from the example microgrid library.slx which i downloaded from resources file of mathworks example 'https://...

2 months ago | 0 answers | 0

Question

Appropriate data structure for using predictand update state for LSTM

Hello I am trying to fit a LSTM network for forecast time series data using using the example on this help-page i.e with the t...

2 months ago | 1 answer | 0

Question

subtract two matrices of sizes [1*5] and [3*5]

I need to subtract m from y , m= [1 2 3 4 5 ] y=[ 10 11 12 13 14 9 8 7 6 5 15 16 17 18...

3 months ago | 1 answer | 0

Question

To find the rows of data that have the same minimum and maximum values, and remove the rows.

I need to remove the rows that have same minimum and maximum values , below is the code used . but it gives error: Unable to p...

3 months ago | 0 answers | 0

Question

stacked LSTm Code for time series forecasting

Can anyone guide me how to write code for stacked lstm in the below code: layers = [ ... sequenceInputLayer(numFeatures) ...

3 months ago | 2 answers | 0

Question

normalisation and reverse process _Forecasting _mean standard deviation

I am getting different rmse value for forecasted value for almost similar look plots. please check the attached plot . First o...

3 months ago | 1 answer | 0

Question

normalising and reverse normalising data

For forecasting , I normalised the data before training for test and train data , then when i plot the rmse , i get rmse 0.2.bu...

3 months ago | 1 answer | 0

Question

Regression learner error in matlab code

When i use yfit = trainedModel.predictFcn(cartable) to test for Test data using regression learner , i am getting the below e...

3 months ago | 0 answers | 0

Question

PCA_Principal component analysis -Dimension reduction

I tried to apply PCA for neural network study .For training and testing data, i used the below syntax and given the output of pc...

3 months ago | 1 answer | 0

Question

how can i standardise the elements in a matrix

I want to standardie the elements in a 9*576 double matrix (pn) in matlab. I use the below code, but i dont get the same dimen...

3 months ago | 0 answers | 0

Question

Principal Component Analysis (PCA) in matlab

Hi, I am trying to do neural network forecasting of data and i would like to apply PCA to the input data (both testing and tr...

3 months ago | 1 answer | 0

Question

Converting and plotting serial number to time format [hh:mm]

I have a data with client number and parking time for EV charging station.The data is loaded in xlsx format. Please find the bel...

3 months ago | 1 answer | 0

Question

How to plot time in excel for 24 hours duration , and not as serial numbers

Please help to plot the attached data.xlsx (time ) in excel to the required 24 hour format.

3 months ago | 1 answer | 0