Top new questions this week:
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I implement different drive odometry for a robot. Trying to implement (proportional–integral–derivative controller) PID-based coordinate movements x, y, theta:
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Greatest hits from previous weeks:
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What are the stall and free currents of an electric motor? For example, this Vex motor lists its stall and free currents at the bottom of the page.
I think I understand the general idea, but a ...
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So I have a quadrocopter, it does come with a remote but I intend to run certain modifications to the copter, like installing a camera, a mechanical manipulator, and other random modifications. The ...
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I was wondering if a 1D point mass (a mass which can only move on a line, accelerated by an external time-varying force, see Wikipedia - Double integrator) is a holonomic or a nonholonomic system? Why?...
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How are the brushless motors in a gimbal assembly designed?
Obviously it doesn't need continual rotation, but it does need accurate control of precise position. I've noticed that the motors in my ...
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Using an IMU a robot can estimate its current position relative to its starting position, but this incurs error over time. GPS is especially useful for providing position information not biased by ...
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An Inertial Measurement Unit (IMU) is an important sensor used in aerial robotics. A typical IMU will contain an accelerometer and a rate gyroscope. Which of the following information does a robot get ...
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I have a motor which drives a string connected to a load cell. I would like to implement a closed loop controller to control the load applied by the motor to the string.
How do I go about determining ...
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