Questions tagged [power]
In physics, power is the rate of doing work.
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How should I power my servo motor with the Adafruit PCA9685 chip?
So I have an Adafruit pca9685 controlling an HSB-9380TH servo and a MG-996R servo. I recently began learning about building robot so I apologize if these questions seem dumb. I literally spent a days ...
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1answer
24 views
Powering servos for quadruped spiderbot using arduino uno [closed]
I am using 12 towerpro SG90 servos. What battery should I use for powering 12 servos for my arduino uno? Can i use the 12v battery, plug it in to 12v dc jack of arduino and tap the 5v output of ...
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1answer
36 views
What is the best way to power source small Robot
I am trying to make a small robot with 4 12 v DC Motor + Raspberry PI + camera possibly a USB camera.
I am very confused with power source.
Is it possible to get all of them powered by a single power ...
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2answers
45 views
Powering multicopter with multiple dedicated batteries
I am in the starting phase of building a fairly large octo-copter drone. I am currently thinking about the possibility of powering my octo-copter design using 4 separate batteries where each battery ...
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1answer
24 views
Power delivery issue for our human following robot project
We are very new in the game of robotics and we are dealing with a power delivery issue for our motors.
We are using two 12V DC motors to give motion to our robot.
We are using the L293D motor driver ...
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0answers
66 views
PixHawk I/II not working in 'Rover' mode (firmware issue?)… HELP!
We are working in a new agricultural rover, and we opted for PixHaw-II+ROS+MavLink platform as a good control alternative. However, our project is stuck as the PixHawk seems to work only when it is ...
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2answers
79 views
Are robot's codes usually compiled or interpreted?
I would bet that usually these are compiled for better performance, and of lawful reasons (make it harder for any user to save code without decompiling), though I'm not sure.
In any case, I believe ...
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1answer
27 views
Powering a robot using the 12v adapter
Hello every one hope you all alrigt
I am working on a mecanum wheel robot and now I am facing a problem to afford a lipo battery which the required voltage to power my robot is 12
So I think that I ...
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1answer
50 views
What battery capacity would be required to run a component for an hour?
I have a 9.8kW Component that runs at 51.8 Volts. That means I need a battery that has about 9.8kWh of energy to run the component for an hour
For the sake of simplicity, say I have some batteries ...
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1answer
48 views
Will this have more or less lifting strength
Bit of an engineering question. If a snake robot is 100 cm long, and every 10 cm is another motor. Would the robot lift more weight, the longer/more motors attached to it.. or is lifting ability ...
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3answers
2k views
Supplying power from a power bank to an arduino and DC Motors
I have a two port powerbank capable of supplying a maximum of 5V 2.1A
I'm using it to power an Arduino and a L293D IC connected to two DC motors which have the following specifications:
Working ...
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2answers
260 views
Can high voltage power lines provide a super highway for drones?
Is there a way to convert the EM field that surrounds high voltage power lines for direct usable electricity for air or ground drones for continuous flight or travel?
Added: Yes could the EM field be ...
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1answer
33 views
2 way Switch powerbar [closed]
For some important reasons the plugged cable 1 must not be on at the same time as the the plugged cable 2. It must be idiot proof...
I'm talking about regular house power north america.
What is the ...
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1answer
71 views
How to power this servomotor?
I would like to use and test this type of servo motor, significantly stronger than the ones I've been using previously.
However the datasheets seem to be limited and I can't exactly tell how to use ...
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1answer
300 views
How are huge industrial robots powered?
Take a look at this monster lifting a car.
Now I don't think one can get that power by plugging into a wall outlet. So how are these huge robots (their servos) powered? Gasoline? How is power stored, ...
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1answer
92 views
Switching from wall power to battery and back again
I'm in the final phase of my BeerBot* project, and I'm looking for the best way to power it.
BeerBot will spend most of his life sitting in a docking station, keeping his battery charged and running ...
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3answers
655 views
Power solution for Raspberry Pi robot
I am building a Pi car with 4 gear motors (190-250mAh each max). Now I want to use my 10000mAh USB power bank to power up raspberry pi along with the 4 gear motors.
I can power up the raspberry pi ...
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2answers
58 views
Running a cycle on brushless outrunner motors? [closed]
Is it possible to convert a cycle into an electric bike by using brushless outrunner motors that usually are for RC planes, multicopter, helicopter, etc?
If it is possible, what specs do my motors ...
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2answers
149 views
Is it possible to use a LiPo charger as a lab bench power supply?
I recently thought about building a lab bench power supply, it comes in cheaper and I love to build things...
But then I also have a LiPo charger an iMax B6AC, that I had bought for my quadcopter, ...
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1answer
78 views
Measure 2 diffrent battery voltages on arduino
Is it possible to measure the voltage of 2 different batteries on arduino? Currently I am able to use a resistor divider / voltage divider of 2x 10K resistors to an analog pin to read the voltage of ...
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3answers
2k views
Is horsepower related to torque in electric motors? [closed]
Is torque related to size or power at all in electric motors? And what about gas motors too?
I have a go kart that is 2.5hp and it's 50cc and its about 1ft x 2ft x 1ft in size. I also see online ...
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1answer
38 views
How can I charge a 11,1 volt LiPo akku?
I didn't found any modules to charge my 11,1 volt LiPo akku, only for 3,7 volt with 5 volt power supply. How can I handle that with a micro-USB connector on my robotplatform?
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3answers
566 views
Can we simulate a actuator with a very strong torque with a PID controller
I use gazebo to simulate a robot arm. To control its joints, I use PID controllers. As you might know, PID are sometimes pretty hard to tune and this is the case for a robotic arm. To avoid any tuning,...
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2answers
230 views
How to decide the battery power for my robot
I need my motor to be powered with 12V, 5A for 1 hour continuously. How can i decide the Ah rate of the battery. Please suggest some lithium ion battery for the specification
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2answers
72 views
Mobile phone power packs
For my robotics project I would like to utilise readily available mobile phone 'power banks' to simplify the power system for my robot. However, such power banks output 5V, great for the logic systems ...
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1answer
70 views
Solar Cells Charging a Li-Po Battery [duplicate]
Is there a way to charge a Li-Po battery using solar panels to increase the flight time of a quadcopter during its flight?
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0answers
62 views
what determines the speed of quadrotor
How to design a quadrotor which travels at particular maximum speed? and how to determine the power required for a quadrotor to hover?
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1answer
60 views
Erratic motor behavior. Is it due to the faulty remote control or Grounding or something else?
I am using arduino mega to run 4 motors via 4 motor controllers. I am using a ps2 controller as the remote control. When the joystick is at rest, the motor should stop.
The problem is the motor still ...
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3answers
17k views
Does the mAh of a battery mean longer power or more power?
If a Lipo battery has more mAh will it be slower to run out of energy or will it have larger power output?
Thanks in Advance
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3answers
303 views
Best power solution for my robot
I've built quadruped robot which is using 12 servos (TowerPro SG90 Servo) and Raspberry Pi (model B 1). Right now I'm "feeding" it with 5V 2.5A charger.
How can I make it un-tethered? What should I ...
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0answers
99 views
increase current draw from serial port of icreate 2
This is from the icreate 2's document:
"Pins 1 and 2 (Vpwr) are connected to the Roomba battery through a 200 mA PTC resettable fuse. The continuous draw from these two pins together should not exceed ...
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1answer
81 views
Arduino Power Adapters
I'm shopping for my first Arduino with a specific goal in mind. I need to attach 3 standard servo motors, an ArduCam Mini 2MP camera, and several LEDs. I'm trying to figure out power requirements. I ...
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2answers
72 views
Powering 6 servomotors requiring 6V and 2A each
The title pretty much says it all. I'm on a team that is currently building a robotic arm for the capstone project of my engineering degree, our design is similar to the Dobot (5 degrees of freedom). ...
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1answer
40 views
Sizing high current power supplies for large robots
I'm a researcher in a lab that's starting work on some larger humanoid/quadruped robots as well as a quadcopter. Currently, we have several power supplies that have a max rating of 30V/30A and our ...
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0answers
27 views
Switching scheme for vector controlled pmac drive
I have 28 pmac motors (3-ph, 230 volt of 0.5 kw, 1.05kw an 1.21kw) in motor control center. Please suggest a time staggered switching scheme in order to avoid tripping due to voltage sag, swell , ...
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2answers
4k views
How to calculate the current consumed by a brushless motor on a quadcopter
I want to create a virtual quadcopter model, but I am struggling to come up with a satisfying model for the brushless motors & props.
Let's take an example, based on the great eCalc tool:
Let's ...
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1answer
257 views
Powering my robot with 12V battery which is charged by a gas/petrol generator while the robot is operating?
A have designed a robot to perform tasks in farms. But the problem now is I'm not sure on the best way to supply continuous power to my robot. All the motors are rated at 12V and only Arduino and a ...
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1answer
36 views
Extending iCreate battery power for auxilliary equipment
I plan to use the icreate as a platform to carry a tablet, or notebook PC and want to have power for some time so I need more than the 3000 mAh battery. I want all to be powered from same battery ...
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1answer
24 views
Wiring necessary to route power from any one of several rechargeable batteries
I'm looking for my robotics project to draw its power from one of 3 rechargeable batteries; basically whichever has the most "juice" in it. From the initial research I've already done, I believe I ...
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1answer
81 views
Understanding how solar panels can supply power to robotic circuits
Say I have this solar panel that outputs 6V at 330mA, or ~1.98 Watts. If I connect that to Arduino, which expects a 5V supply at (roughly) 50mA, then the Arduino as a whole requires 5V * .05A = 0.25 ...
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1answer
81 views
How to determine how long a battery will power a robotic circuit for?
Obviously robotic circuits draw different amounts of power/current. So given the same battery, say, a 9V, then connecting it to 2 different circuits will deplete it at two different rates. Robot/...
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3answers
1k views
Why do my ESCs stop working?
I'm new to robotics and this is my first time building a quadcopter. I'm unable to work out why I keep losing ESCs.
Most recently in testing, I've managed to calibrate all 4 ESCs and accurately ...
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3answers
805 views
Help with ultrasonic sensors on obstacles avoiding robot
Well, I will start directly in my problem. I'm working on a project and I only have 10 days left.
The idea is simple, a wheeled robot with 3 ultrasonic sensors to avoid obstacles.
I've developed a ...
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2answers
60 views
Calculating thrust generated from electric engines
I wanted to calculate the amount of thrust generated from the engines. I am using the blade 180 cfx model.
http://www.bladehelis.com/Products/Default.aspx?ProdID=BLH3450#quickSpecs
After some ...
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1answer
648 views
Battery system for a robot with a RaspberryPi or microcontroller
I'm building a robot which is actually a rotating ball. All my circuitry will be inside this ball. I'm using a Raspberry Pi as the brains. Apart from Raspberry Pi, I've an H-bridge IC (L298N), a 6-...
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4answers
426 views
Passing power through a motor
How would one go about passing power through a motor?
Let's say we have some basic robot which has a motor that slowly spins a limb, on each end of that limb, there is a motor which again spins a ...
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1answer
267 views
beaglebone black power supply for hexapod [duplicate]
I am trying to build a hexapod with camera interfacing using a beaglebone black for college project. I'm not sure what power supply to give so it can power up to bot, having in mind that it should be ...
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1answer
320 views
Powering a multirotor with dedicated batteries for each motor
I'm currently thinking of extending the battery life of my quad by powering each motor and ESC individually. I will be using 1 dedicated battery for each motor, and 1 dedicated battery for the flight ...
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1answer
98 views
Linear or Switching Power Supply for a Embedded Project
Power Block Designing noob here.
I have a beaglebone 2x XbeePro(s) and another 500mAh device connected to the board i am building a PCB Around.
I need some advice on weather to use Linear Voltage ...
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1answer
60 views
Need a Relay Alternative
I have an application that needs a XBee and another module to be turned on and off digitally via a microcontroller.
The Setup is 2 XBee's and an application board is connected to the Microcontroller. ...
