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Results tagged with sensors
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user 2295
A sensor (also called detector) is a converter that measures a physical quantity and converts it into a signal which can be read by an observer or by an (today mostly electronic) instrument.
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Alternatives to cameras for a dirt sensor for an autonomous vacuum robot?
When I use a standard manual vacuum, I often notice that I have to pass over a spot several times because a single pass does not necessarily catch all the dirt. My eyes/brain can easily perceive this …
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How to turn a rover 90 degrees using wheel encoders?
How can I use these two sensors to execute as close to a 90 degree turn as possible without fusing additional sensor data? …
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Where should I put the angle sensor on my cart-pole robot?
Is there an optimal height to place the sensors? Should I place them closer to the bottom (near the wheels), the middle (near the center of mass), or the top? …
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How do ultrasonic range finders detect objects at an angle?
As far as I can tell, an ultrasonic rangefinder works by reflecting inaudible soundwaves off of objects and timing their return. But if the object has a flat surface and is angled with respect to the …
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How can I compensate for pendulum and cart motion when using an accelerometer to detect the ...
I have an accelerometer mounted to an inverted pendulum (i.e. a cart-pole robot) which I'm using to measure the tilt angle from the vertical upright position (+y direction). If the inverted pendulum …
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Accepted
Stabilising an inverted pendulum
In any case, you will need sensors to detect the pendulum's angle and either its rate of change in angle, or a data recorder to accumulate the error over time, or both. … Also, you may find that your sensors do not always give correct values, due to cheap technology or unexpected disturbances, in which case you also need to account for uncertainty in measurements. …
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Do walking robots use accelerometers?
You need both: gyroscopes react quickly to fast changes in orientation, but lose accuracy in the long run. Accelerometers are better in the long run, but are too sensitive to short term. Combining …
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