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Questions tagged [positions-measurement]

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1answer
39 views

Cheap and accurate angle measurement for PID feedback control

I'm working on a PID-controlled barn door tracker mount for astrophotography in an isosceles configuration: For those not familiar, the purpose of the barn door tracker is to compensate for the ...
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1answer
80 views

What are some robust method to detect or repel lizard?

I am working on a HVAC project where lizard in going inside the electrical unit and causing wire damage and short circuit. I need to find some solution to detect or repel lizard before any ...
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2answers
91 views

Radio triangulation with Raspberry Pi

Currently, I am thinking that since electromagnetic waves loose energy over distance, you might be able to figure out the relative distance to each of three radio "beacons" and use this information to ...
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0answers
29 views

Given Pitch and Roll in one Heading, convert to co-planar pitch and roll for North

I have been pouring through countless articles about Euler's angles, rotation matrices, Rodriguez Rotation Formula, Quaternions, trying to understand how to generate an algorithm for this problem and ...
4
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1answer
141 views

How are tunnels dug from two endpoints joined?

Let's assume I want to build a subway system. I dig two subway stations and now I start digging a tunnel from both of these endpoints simultaneously. How can I ensure that the two tunnels dug from ...
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0answers
33 views

Accounting for Sensor Delays

This may be a simple question but I'll ask anyways: For automotive applications, the sensors in use have delays. If the sensors is on a moving vehicle, then the measurement provided would be wrong ...
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0answers
20 views

Decission between several position switches and one continuos position signal for controling rotating conveyor

We plan a conveyor that will dump something into containers. A level gauge on the tip of the container will measure the heap below. The conveyor is placed on a turntable and will e rotated ...