All Questions
Tagged with mechanical electrical-engineering
5
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DC Motor - need to go to 200-10,000 RPM
I'm currently working on a setup with Raspberry Pi, a 12 V DC motor and a L298N driver. I need the motor to go from 12000 RPM to 200 RPM, or at least in that range - the only problem is that the L298N ...
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2
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Connection to periodically electrify equipment
I am designing a system where I have a set of 4 electrical components rotating in a circle. In the bottom stage, the electrical component is submerged in water. In the top stage, the electrical ...
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1
answer
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Dynamic model of a two-mass electric drive taking into account the Gear Ratio
Two-mass rotational system has the following form and is represented in following structural diagram.
where $\tau_e$, $\omega_1$ and $J_m$ - motor torque, angular velocity and moment of inertia
$\...
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Peltier module set up isn't cooling
I have set up a Peltier module with an aluminium heat sink, cooling fan, 12V, 7Ah battery supply and thermal paste for the purpose of cooling water. At first, it performed well. It dropped down to 3.5°...
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What is this object?
In framing the question, I can't be more specific as I have no idea (though a suspicion) about what this came from.
I have a number of them that are several different diameters from 125mm to about ...
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