Questions tagged [autonomous]

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Polarity Detection on Array Charging System for Autonomous Robot

Array Charging Concept I recently became interested in designing a charging system for an autonomous robot. The key requirement is that precise orientation of the robot is not necessary during ...
RemiFM's user avatar
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1 vote
2 answers
240 views

RC Servo Auto-Sweep with Op amp Control

I'm trying to design a circuit that will sweep an RC servo motor (an SG90) continuously from -90deg to 90deg position and to repeat this process indefinitely. I'm aiming to use one IC (a quad op amp ...
Kevin Harper's user avatar
3 votes
2 answers
247 views

Risks of variable power loads on an offgrid inverter (zero-crossing PWM)?

My goal is to regulate loads in my offgrid inverter-powered system. I moved to a fully offgrid house with batteries and a pure sine inverter. I would like to control how much I dump of my solar ...
MoonCactus's user avatar
0 votes
2 answers
113 views

How can I use a 5200 mAh Li-Po battery to power multiple things?

I'm building an autonomous car and have a 7.4V 5200mAh 2S Li-Po battery that needs to power the following components: Brushless DC Motor (Through ESC) Raspberry Pi 4 Servo motor Arduino Uno Another ...
robotwaale's user avatar
0 votes
1 answer
43 views

How to reach a required autonomy with a li-po battery? [closed]

CONTEXT : I'm working on a project consisting of making an underwater robot "fish" for an aquarium . and it is mandatory to get at least 8 hours of autonomy. I'm responsible of the ...
Ben Derrahim's user avatar
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0 answers
59 views

Power management switch for Low-Power Application

In my low-power application I have a MCU waiting for an interrupt to wake up. (see picture) There are two sensor ICs (IC1, IC2) which consume very little and wake up the MCU via the interrupts. After ...
Maximilian Wiens's user avatar
0 votes
1 answer
245 views

Why the DC voltmeter does not read zero when it measures an AC signal?(Chua's circuit) [duplicate]

I have made a Chua's circuit that is nearly the same as the one in Kennedy 92(pdf). I don't have an oscilloscope yet, so I connect a DC voltmeter at the place where probes of oscilloscopes should be ...
Jethro's user avatar
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0 votes
1 answer
91 views

Is the value of the inductor important in chua's circuit?

In Kennedy 92, the author gives a worked example of Chua's circuit experiment. The circuit diagram is given below: The author (in section 7.1) discuss how the value of each component might be chosen, ...
Jethro's user avatar
  • 173
1 vote
2 answers
231 views

What will happen if I use a voltmeter instead of an oscilloscope in a Chua's circuit?

Suppose I use a voltmeter instead of an oscilloscope in chua's circuit. Voltmeters only measure the average voltage over a short time period. Questions (please consider both DC and AC voltmeter, ...
Jethro's user avatar
  • 173
1 vote
0 answers
47 views

Chua's circuit's equilibrium at \$x=y=z=0\$

The Chua's circuit satisfies the differential equations from Wikipedia. Clearly, \$x=y=z=0\$ is a solution, but not the solution we see when double scroll appears. Since at \$t=0\$ when we switch on ...
Jethro's user avatar
  • 173
1 vote
4 answers
2k views

How can Chua's circuit work without having a power supply?

I am now analyzing the following Chua's circuit. The triangle at the bottom denotes zero electric potential (I struggle to find the right symbol). \$N_R\$ is the Chua's diode. So the circuit is non-...
Jethro's user avatar
  • 173
0 votes
1 answer
149 views

ibeo lidar 4L setup

I am having difficulties in finding information regarding ibeo lidar sensor power connection. Lidar has 3 inputs/outputs one is Ethernet, CAN and power terminal. As CAN only needs 4 pins (high out, ...
pb772's user avatar
  • 133
5 votes
2 answers
2k views

Can high voltage power lines EM provide power for drones? [closed]

How is the EM field that surrounds high voltage power converted to produce a current through a wire? How much electricity can be produced without coming in contact with the wire? Could the EM field ...
user avatar
0 votes
1 answer
96 views

Help Understanding an Autonomous rectifier

Could anyone tell me how does the circuit below work ? It's a autonomous rectifier. Taking the signal between the two output resistors gives a full-wave rectification, and taking it at the output of ...
eldala07's user avatar
9 votes
2 answers
3k views

Autonomously-powered (battery-less) wireless pushbutton

What would be a feasible approach/circuit-design to make a self-powered wireless pushbutton, assuming it is even realistic? This is what I mean by each of the three terms: Self-powered: Power ...
boardbite's user avatar
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0 votes
1 answer
809 views

Help me build an autonomous remote wind station + camera [closed]

I'd like to build an autonomous remote wind station + camera that I can install near my favorite kitesurfing spot so that I can Know in "real-time" both speed and direction of the wind See what's ...
ZogStriP's user avatar
  • 196
1 vote
1 answer
988 views

System design for python driven autonomous vehicle (boat)

I've very recently started a project (with a few friends) where I will be building an autonomous boat. From a high level, it will be solar powered with a relatively simple motor driven propeller, and ...
DJSunny's user avatar
  • 141
13 votes
3 answers
10k views

What electrical connectors to use underwater?

I am looking at doing a project with a AUV (autonomous underwater vehicle) and need to know the best type of connectors to use. I have listed the things I need from most important to least important: ...
Jake Robinson's user avatar
6 votes
5 answers
18k views

Can you run a BLDC motor backwards without damage?

Can you run a BLDC motor backwards without damage? Is it OK to drive a model airplane BLDC engine backwards while landing, so it gets a little "reverse thrust" and come to a stop a little quicker on ...
davidcary's user avatar
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8 votes
2 answers
193 views

Resources to understand robot locomotion and Gait functions

Recently I have been watching Robert Full's talks on TED. He has some obscenely interesting works on robot locomotion. This has intrigued my curiosity and I have been trying to understand his works. I ...