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Last seen: 10 months ago Active since 2019

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Question


How to plot 2 discrete plots (each of a different colour) with stem ?
Hi, I am trying to use stem to plot a discretised cos and sine waves on a same plot but every point is having a different colou...

1 year ago | 1 answer | 0

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answer

Question


How to use "place" to move poles closer towards origin in a zero-pole map of a discrete time system ?
Hi, I have the following zero-pole map I created of my discrete system (see attached picture) but I want to make the poles clos...

1 year ago | 0 answers | 0

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answers

Question


How to plot |z| in a pole-zero map of a discrete time system ?
Hi, I am trying to plot a pole-zero map of a discrete time system. I have used pzmap(mysys) and zgrid(zeta,wn2) to create my pl...

1 year ago | 0 answers | 0

0

answers

Question


How can you find the poles of a steady state system using c2d and the sampling frequency ?
Hi everyone, I have the steady state model of a system which I want to discretise. I also have the sampling frequency. I have u...

1 year ago | 1 answer | 0

1

answer

Question


Issues trying to make my FOC simulation work
Hi, I am having issues with making my FOC simulation work (see above image and Matlab file) but I do not understand why I am ge...

1 year ago | 0 answers | 0

0

answers

Question


How do you combine multiple physical (Simscape) signals into a single one ?
Hi everyone, I am trying to make a model in Simulink but I need to combine 3 physical signals into a single one. Is there a spe...

1 year ago | 1 answer | 0

1

answer

Answered
Non-constant Torque issue in FOC algorithm (Simulink)
Hi does anyone know what is wrong ? Is there something I need to further clarify ? I have beent trying to tune PI values but not...

1 year ago | 0

Question


Graphs won't be plotted to the end of simulation time in Simulink
Hi everyone, I am having the issue that I am trying to run an FOC algorithm in Simulink (see image attached) but the graphs are...

1 year ago | 0 answers | 0

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answers

Question


Non-constant Torque issue in FOC algorithm (Simulink)
Hi everyone, I am trying to develop an FOC algorithm in Simulink (see image attached) but I am having extrange results in my s...

1 year ago | 1 answer | 0

1

answer

Submitted


FOC Simulink (MATLAB 2020a) Errors
When I run the simulation the inverse Park transform gives me one dimensional vector errors. I don't understand why this is happ...

1 year ago | 8 downloads |

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Question


Can't solve simulation errors in FOC model (Simulink 2020a)
Hi everyone, I am trying to develop an FOC algorithm (see screenshots attached) using the Motor Control Blockset in Simulink bu...

1 year ago | 1 answer | 0

1

answer

Question


How can I exctract 2 values from a 1-by-3 array in Simulink ?
Hi everyone, I am using the Surface Mount PMSM block from the Motor Control Blockset in Simulink to develop an FOC algorithm. T...

1 year ago | 1 answer | 0

1

answer

Question


Is the LdTrq input required in the Surface Mount PMSM block ?
Hi everyone, I am trying to implement FOC algorithm in Simulink using the Motor Control Blockset. I want to simulate the iPower...

1 year ago | 0 answers | 0

0

answers

Question


What does Ki*Ts mean in Discrete PI controller ?
Hi everyone, I am using a Discrete PI controller for an FOC algorithm I am developing in Simulink using the Motor Control Block...

1 year ago | 2 answers | 0

2

answers

Question


Understanding how to set MTPA Reference block settings
Hi everyone, I am failrly recent to MATLAB and SIMULINK. I am trying to use to Motor Control blockset in Simulink to implement ...

1 year ago | 1 answer | 0

1

answer

Question


Why is the inertial block in simscape required for permanent magnet motors ?
Hi everyone, I am fairly nnew to MATLAB and SIMULINK. I am trying to model Field Oriented Control of PMS motor. In MATLAB Tech ...

1 year ago | 0 answers | 0

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answers

Question


Areas of improvement in Field Oriented Control (FOC) ?
Hi, I am trying to a project based on FOC and BLDC motor using Simulink. I have been looking at material explaining how to use ...

1 year ago | 0 answers | 0

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answers

Question


Field oriented control (FOC) project with Simulink
Hi everyone, I am making my 4th Year Project on Field-Oriented Control (FOC) with a BLDC motor. I am having the issue that w...

1 year ago | 1 answer | 0

1

answer

Question


Extracting filter coefficients from fdatool IIR filter object
Hi everyone, I have designed an IRR filter in fdatool but since I can't export the coefficients as a vector into the workspace,...

2 years ago | 0 answers | 0

0

answers

Question


Plots appear as giant blocks rather than actual waveforms
Hi everyone, I am trying to be able to display my waveforms in Matlab. I have tried "linkaxes" but I just continue having a gia...

2 years ago | 1 answer | 0

1

answer

Question


Different plot shape for fft depending on time sample spacing
Hi everyone, I am having the following issue. I am trying to analyse the input and output signal of my filter using fft. However...

2 years ago | 1 answer | 0

1

answer