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# Hishan Faizer

##### Last seen: Today
12 total contributions since 2020

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Question

How to use the bandpass filter for envelope spectrum?
Hello guys, I found an article about Fault Diagnostics on the internet ( Article Diagnostics 101: A Tutorial for Fault Diagnos...

16 jours ago | 0 answers | 0

### 0

Question

Error in simulink, the upper bound is not specified
Hello everyone, I am trying to build a matrix with a matlab function in Simulink. However, I always get some error message an...

environ un mois ago | 1 answer | 0

### 1

Question

How to generate a faulty bearing acceleration signal with SIMULINK?
Hello everyone, I am trying to generate a faulty acceleration signal with SIMULINK. The inner ring of the bearing is fixed to t...

environ un mois ago | 0 answers | 0

### 0

Question

How to create a sine wave with variable frequency - Simulink
Hello, I have the following problem. I have a set of data of my vehicle and need the acceleration data in the shape of a sine ...

environ un mois ago | 2 answers | 0

### 2

Question

How to rectify a signal and determine the envelope spectra for the FFT? - Envelope analysis
Hello folks, I am trying to determine the harmful frequencies of my signal. Therefore, I need to do a so called " envelope analy...

environ 2 mois ago | 0 answers | 0

### 0

Question

Unscented Kalman Filter - How to add noise to the system? - Simulink
Dear community, I am trying to use the Unscented Kalman Filter block in my Simulink model. My state transition function and my ...

environ 2 mois ago | 1 answer | 0

### 1

Question

Kalman Filter - Can someone help me with to find the bug in my program?
Hello everybody, I am trying to implement the Kalman filter. I found a really good paper, which gives me all the equations I nee...

3 mois ago | 1 answer | 0

### 1

Question

Theory/ mathematics behind pspectrum
Hello folks, I am using the matlab function pspectrum to estimate the frequency of my signal. This works perfectly! However, I...

3 mois ago | 1 answer | 0

### 1

Question

Frequency estimation with small number of samples, Kalman Filter, periodogram
Hello everyone, I am trying to estimate the frequency of a set of data. Most methods require a long length of samples in order t...

3 mois ago | 0 answers | 0

### 0

Question

How to design a filter to pass frequencies between 0 and 12Hz
Hello, I trying to design a filter in order to allow only certain frequency to pass the filter. I have a set of data and I am on...

3 mois ago | 2 answers | 0

### 2

Question

How to determine the order of a set of data? (AR coefficient)
Hello, I am trying to use the Matlab function pyulear. Therefore, I need to determine the order of my set of data. How can I do ...

3 mois ago | 0 answers | 0