Questions tagged [actuator]
An actuator is a device for converting energy into motion. They may be pneumatic, hydraulic, electric, or mechanical.
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Can servos have a true neutral gear?
I am developing a mechanical arm that can be pitched remotely at a certain angle using a high-torque servo motor. The servo needs to keep the arm at a precise position for any give amount of time and, ...
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How can I make linear actuators go in both directions using an Arduino or other microcontroller?
I'm stuck here,
I want to make the linear actuators go up and down, both of the actuators move the same direction at the same time.
The Arduino receives a signal as input and then the ouptut of the ...
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How should I make a constant AC current source to drive an electromagnet?
The inductance of the electromagnet is about 0.05H and the resistance is under 50 Ohm and I need about 2 to 5 Amperes to drive it.
I need to be able to change the amplitude and also the frequency at ...
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micro-switch 12V DC use in vehicle?
Using 12V DC (max 3 amp) linear actuator in a standard car,
I need to use some micro-switches in the power circuit to prevent the actuator powering, if it's not in the correct position i.e. won't ...
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magnetic actuator torque calculation
I would like to formulate how much load can carry for the magnetic actuator used in RC airplanes. Example photo:
It consists of a coil and a magnet. And works according to lorentz force principle.
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Which power supply choose for lineal actuators?
I have two actuators each of them with the following characteristics: 16 inch, 12v, load 750 N, travel speed 10mm / s, duty cycle 25%
BUT Current Draw is not specified, and I have no access to the ...
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Brushless motor design with additional separation layer at the air gap
As a thought experiment, I was thinking about how to actuate an passive impeller inside a tube from outside, contactless. Imagine a tube equipped with an impeller inside it. The impeller is mounted in ...
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Loading an Asynchronous Generator
I am doing an experiment that involves loading an asynchronous 50 HZ generator. For the load to consume current it has to be a capacitive load to cause a phase shift between the current and the ...
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Linear actuator. Monitor end switch with arduino
For a hobby project I am developing a solar tracker. For this I obtained a linear actuator. It contains a DC motor, 2 Hall sensors and an end switch. I am using an Arduino Uno and a Polulu motor ...
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Transfer function_Approximation of second order system for a linear actuator
I am trying to approximate a transfer function of a system. The system is a linear actuator, connected to a feedback potentiometer. The actuator has a mass on it. The following figure is a step ...
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How do memory seats keep track of their position?
I was wondering how do memory seats keep track of their position. Since this kind of equipment existed in 1990's cars, it must be simple yet ingenious. I have been thinking about this for quite a time ...
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How to get stall current from DC motor model
I'm studying the model of a dc motor from this link :
http://ctms.engin.umich.edu/CTMS/index.php?example=MotorSpeed§ion=SystemModeling
The equations are:
\$\ s(Js+b)\theta(s)=K I(s)\$
\$\ (...
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modeling of a dc motor with load
I designed a robot. It consists of an actuator, linkage and a camera. the actuator is considered as a dc motor in this problem. I need to identify this system. how can I find a model for actuator and ...
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Is there an opensource equivalent to Phidgets?
For those who don't know, Phidgets are a hardware platform for interacting between PCs and hardware; they're a sort of "industrial lego". They have DIO, relay drivers, sensors etc. Their key utility ...
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How to monitor an actuator's feedback line from a microcontroller?
the AG-020-B electric actuator is controlled from a microcontroller. Terminal 1 is connected to the DC PSU GND, Terminal 2 is connected to the +24VDC via a high side Power MOSFET(TPS22810) as shown ...
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