Questions tagged [dc]
The dc tag has no usage guidance.
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Find viscous friction for DC motor transfer function
How do I find the viscous friction for my DC motor without measuring the input current and output torque.
I have to do a theoretical model on simulink and can't find any answers on how to find it
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1answer
53 views
What type of electric motor and speed-controlled circuit do I use to bounce a hanging, 5 pound weight? (it's for a Halloween decoration)
I'm trying to make a roughly 5 pound, hanging halloween decoration bounce on a string from about 1-3 times per second, preferably at variable speeds if I can.
I've looked up a simple DC motor circuit ...
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1answer
66 views
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27 views
Choosing the right dc motor
I'm trying to find the optimal components list for a radio controlled lawn mover i'm trying to build.
The blades will be rotated by a 140 cc engine. I choose this engine because it's already mine. ...
1
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0answers
39 views
Determining required torque for DC motor
How to determine the required torque while choosing a DC motor?
Here is a simple scenario. Think of a 4WD or 2WD vehicle. The max load the vehicle will have is 100kg.
Q1. How do I determine the ...
2
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0answers
47 views
How to calculate what motor I need to move weight
I'm working on a project trying to make some electric roller curtains.
I can use 2 motors on this curtain, on each side to lift and pull down the curtain. Pulling down the curtain requires not as much ...
0
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1answer
32 views
Will a change of motor driver improve motor performance?
I have this motor, from datasheet it works on the 6-12V range and has a no load current of 0.52A, and a stall current of 20A. I want to test the motor before buying an expensive motor driver.
I have ...
2
votes
1answer
48 views
How can I limit the current sent to my 6V servos to ensure they don't burn out?
I'm using an adjustable desktop power supply (0-30 volt DC, 0-10 amp) to power my robot which has 7 standard 6-volt servos. There are some situations where the robot gets jammed, and power draw ...
