Questions tagged [pwm]
Pulse-width modulation (PWM) is varying the duty cycle of a rectangle wave, usually with a constant frequency.
7
questions with no upvoted or accepted answers
1
vote
0
answers
41
views
how to normalize PWM if the value exceeds the maximum speed limit
I have implemented inverse kinematics for nonholonomic mobile wheeled robots, and the RPM range of the motor that I used is -50 to 50, while for PWM is from 1300 to 1700. But in certain cases, the RPM ...
0
votes
2
answers
96
views
How to: implementation problem with Position control on a 3 Wheels robot (2 motorized) with velocity profile of trapezoid
I'm trying to apply position control in a wheeled robot, controlled by an arduino mega.
The robot has two wheels powered by two dc motors (1 motor for each wheel) and one castor wheel.
In order to ...
- 1
0
votes
1
answer
105
views
H bridge duty cycle vs maximum voltage
I've just burnt out an L298n H bridge, not surprising, but I thought it'd be ok for low load testing. Apparently not.
I'm considering ordering these to replace them - Hilitand DC 5-12V Motor ...
- 101
0
votes
0
answers
35
views
Motor driver PWM frequency
What can happen to the motor driver if I give input PWM frequency more than the rated(capacity)?
I'm using Maxon motor with specifications:
Operating on 24V
Speed: 600 RPM
Nominal Torque: 21 Kg-cm
- 1
0
votes
0
answers
127
views
Serial command receiving failure with Arduino and Adafruit shield from C# desktop application
For a long time I use Arduino Uno controller and Adafruit Servo Shield with 6.3V 1000 uF capacitor, powered with 6V 8Amp adapter to control 8 digital servo motors ...
0
votes
0
answers
54
views
Relation between PWM frequency and torque
I am using Pololu G2 18v15 to drive a maxon motor. The motor is supposed to drive a load in a sinusoidal trajectory against gravity with maximum torque of 0.0634 NM with max speed of 5 rpm.
I am using ...
- 407
0
votes
1
answer
283
views
are mg996r servo failures common?
I am new to the small servo area.
I bought a eBay 6DOF Robotic Arm, and 12 mg996r servos to go with it.
Using an arduino and I2C PCA9685 16 X PWM board, with the example code from adafruit, I set up ...
- 1