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Dakai Hu

Last seen: 3 dagar ago Active since 2019

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Answered
Model Three-Phase PMSM Drive : how can i replace the IGBT devices with the more detailed N-Channel IGBT block
Hi Yujian, Thanks for your question. The N-Channel IGBT block is a not an ideal switch block. It does require the use of a ga...

2 månader ago | 0

Answered
Field-Weakening Control (with MTPA) of PMSM
Hi Michael, Are you referring to the MTPA trajectories based on fixed PMSM parameters ? If so, we now have a block in Motor ...

2 månader ago | 0

Answered
Having trouble understanding connections within the same modeling domain in Simscape
Hi Gideon, The light blue current sensor is from Simscape component library, while the rest of your inverter circuit is from "s...

2 månader ago | 0

Answered
Facing problem in Motor & Drive (System Level)
Hi Jay, Thanks for your questions. There are a couple of issues in your attached model. The Motor & Drive block must be conn...

2 månader ago | 1

| accepted

Answered
Control Simscape library example parameter programatically
Hi Leonardo, Thanks for your question. Our development team has not exposed the API to programmatically access the vendor mot...

2 månader ago | 0

| accepted

Answered
PMSM Flux weakning model
Hi Vara, Thanks for your question. One way to understand why flux weakening is needed is to check if the voltage source suppl...

2 månader ago | 0

Answered
PROBLEM WITH IPMSM TORQUE CONTROL
Hello, I believe the 2 questions you asked are esentially the same question. Generally speaking, there are 2 control mode in...

7 månader ago | 1

Answered
Saturation Limit for Speed and Current Control in IPMSM
Hello Sanjeev, Here is something to consider for the questions you asked: How to design practical saturation limit of PI contr...

ungefär ett år ago | 0

Answered
Flux-based PMSM block missing
Hi Federico, Thanks for your question. You are correct that the flux-based PMSM model is only shipped into Powertrain blocks...

ungefär ett år ago | 1

Answered
BLDC motor - 6 step commutation, phase voltages of energized phases are not equal
Hi Martin, When you connect the BLDC to an inverter, the way you measure ua, ub, uc in your model is not actually measuring th...

ungefär ett år ago | 0

Answered
I wanted to do modelling of motor encoder in MATLAB simulink.
We have an exsiting encoder block shipped into the library "Simscape / Electrical / Sensors & Transducers" -> "Incremental shaft...

ungefär ett år ago | 0

Answered
How to obtain the image of the Hall effect
When you configure the back EMF waveform in the PMSM block to be "Trapezoidal", it functions as a BLDC. As a matter of fact, BL...

ungefär ett år ago | 0

Answered
Three-phase permanent magnet synchronous machine - direct and quadrature currents and voltages
Hello Giovanni, The Clark and Park transformation implemented in our Simscape blocks are based on "magnitude invariant" convent...

ungefär ett år ago | 0

Answered
Error when exporting current references to base workspace - Simscape Electrical PMSM Current Reference Generator
Hi Daniel, When you select "Automatically generated lookup-table" feature, the three fields -- "wMechanical (rpm)", "TqRef (N*m...

ungefär ett år ago | 0