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Thank you so much. So Can I start making the hardware with the same driver circuit. Will it work?? Any free suggestions ? :P
The pwm waves shown in the image is the input to motor leads. The problem is with decrease in duty cycle of PWM, the RPM of the motor is going above the rated RPM(In...
Yes in the above circuit I change OCRxxx value and I can see the PWM in the output wave form of the Three phase inverter...
For 53% duty cycle the output is shown in following figure.
Both JPG files.
Mistakes are just mistakes with no intentions...
It is not 15mb file again..Just 341KB and a 3MB file...Please check the files I uploaded in my last post. I can now see the PWM the output of that file.
In the circuit I posted earlier(15MB), when I try PWM the graph is getting distorted. Can...
The code is quite fine, i think. The problem must be with the driver circuit...Can anyone post the Drive Circuit for BLDC motor with N-Channel MOSFET on both high side and low side.??
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I tried another driver circuit.
and the output was like .
But the speed of the BLDC motor...
It is no hall sensor graph. The one that shows the inverter type output is the graph of voltage difference between motor leads, That is M1-M2, M2-M3, M3-M1. The other graph showing M1,M2,M3 is just the votage at M1,M2, M3.
When I change the OCRxxx values, I can see PWM on graph showing...
Alex, it is my work folder. I did not check the size of auto generated files. I just compressed it and uploaded it. And the PDF., some one can find bugs by seeing the graphs. I won' repeat it again. Now please find the mistakes in my work and give me a solution.
I thought of it, but then I felt it will be more easy for the gurus here to just run the simulation instead of making it all by themselves from beginning.
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I thought of it, but then I felt it will be more easy for the gurus here to just run the simulation instead of making...
Hi,
I just tried simulating speed control of BLDC motor in proteus. I followed AVR443 application noted and designed the driver circuit and altered the code for atmega640. But when I connect the PWM channels of the micorcontroller to the lower side gate switches the speed is not controlled. But...
Thank You all for trying to help me...The problem is solved. I still have a doubt.
I tried using slave device design on new .dsn file. And I used COMPIM component and connected it to microcontroller. So I run the simulation of the slave design and then the master design. I got the output when I...
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