Questions tagged [electrical-engineering]
Study and applications of electricity, electronics, and electromagnetism. Use this tag when someone who has trained as an electrical engineer is likely to be able to answer your question.
1,546 questions
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Planar load cell arrangement
1.5mm thick steel 5kg load cells are sandwiched at corners of two aluminium plates. As the load cells are rigidly mounted, would the deflection shape of the load cell bending element represent a step ...
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Asking questions for a project where I need to interview an engineer
I'm a college freshmen whos needs an engineer to help me by answering these questions: What is your major and where did you get it from? Where do you work and what does a typical work day look like? ...
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How do I control a stepper motor with a 3 position switch?
I'm working on a personal project. I want to control a stepper motor (Nema 17) with a 3-position toggle switch using an Arduino uno, but I don't know what I'm doing. I believe I have all of the parts ...
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Linearize a non linear system and then find the state and output equation as well as transfer fucntion
I am having a hard time linearizing the equation below of a non-linear time invariant MIMO system $$m \cdot y_1''+F_m = Fu11−m \cdot g$$ (y1''=second derivative) $$m \cdot y_2''− F_m = F_{u22} −...
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Wireless relay remote control not outputting power (to linear actuator) when appropriate
I'm constructing a remote controlled linear actuator system for a pair of mechanical wings. I ordered a few parts, wired everything according to the schematic for the relay, and paired the remote to ...
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Isolating transfromer
How does current flow in each condition (normal, red, and buzzer) in this hospital isolated power system diagram
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1 answer
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Electric field at the exit of an open-ended waveguide operating in TE10 mode
I'm currently studying the textbook "Antenna Theory and Design" by Balanis. Specifically I'm going through the chapter on aperture antennas (chapter 12). When analyzing the case of a ...
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Engineer needed for interview
I am a 11th grade student in High school currently studying engineering as a personal elective. I know this may sound repetitive across multiple posts but in short I am required to interview an ...
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1 answer
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Using a standard type-c cable to power a 6V encoder motor
I'm considering trying to power a motor module in a personal project using a Type-C cable. Here's what I have in mind: A central "command" hub contains the primary "compute" unit, ...
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How to direct heat via radiation without converting to electricity?
I’m trying to build is a solid thermal storage facility for cold regions, where ambient temperatures can drop to −20 °C. The idea is to store heat at high temperatures (about 400–1000 °C) so it can be ...
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How can I smoothen sharp steps in an electrical signal?
I have a mechanical device powered by direct current voltage source. The voltage source is on the order of 100V, and the device consumes about 100W of power when active. This power input is pulse ...
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Can I use sub-optimal transistor saturation on a relay driver circuit?
I had to modify our standard relay driver circuit which uses a 1K base current limiting resistor and 10K base to emitter resistor. The reason for the modification was to introduce some time delay to ...
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What does the upper case sigma letter mean, in this specific equation?
I don't understand this equation. Is the lower case n a superscript? I found a similar equation in a google search with a sigma symbol but some of the symbols were different and I found nothing ...
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LEDs interface with Port pins or Port bits (LPC2138 ARM-7 )?
LPC2138 arm-7 is having two Ports Port0 and Port1 and my question is LEDs interface with port pins or port bits , because port pins is having two bits.
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Smoked bridge rectifier Lincoln mp210
I have a Lincoln Electric Mp210 power board. It was already “repaired” but I use it a couple of times and the bridge rectifier explode, but I already checked and this bridge seems to be already ...
