6
votes
Does the mAh of a battery mean longer power or more power?
The battery capacity specification (eg X mAh) tells you that your battery can run for 1 hour providing X milliamps until it is depleted. This doesn't always scale with time, for example you probably ...
- 550
4
votes
Accepted
Best power solution for my robot
I agree with @Greenonline 's recommendation regarding LiPo batteries along with his warnings on battery care. It seems you will need a fairly small battery, considering your current requirements (...
- 550
4
votes
Accepted
How are huge industrial robots powered?
Industrial Robots with having as aim manipulation of large objects are powered electrically in almost all cases (30-40 years ago there have been popular hydraulic variants).
Industrial robots are ...
- 6,652
4
votes
Accepted
Are robot's codes usually compiled or interpreted?
Robots tend to be portable devices powered by batteries. Portable battery operated devices tend to use embedded processors with limited power and memory. Compiled code has several advantages over ...
- 496
3
votes
Does the mAh of a battery mean longer power or more power?
Neither, it means more energy and it implies more power.
Think of energy as the thing you "spend" to do work, and power is how much work you get done in a particular period of time.
Typically a ...
- 16k
3
votes
Running a cycle on brushless outrunner motors?
Let's assume you do a motor on the crank shaft rather than on the hub.
When you step on the pedal/crank it's approximately the mass of your body doing all the work.
$Torque(\tau)=Force*Distance$, $...
- 4,385
3
votes
Can we simulate a actuator with a very strong torque with a PID controller
What you're asking for cannot be accomplished with a PID controller. As I understand your question, you want to be able to choose PID gains that would always produce a "good" trajectory, ...
- 218
3
votes
Is it possible to use a LiPo charger as a lab bench power supply?
You could trick the charger into providing power for you by applying a voltage to the balance sensing lines. However the control you have over it would be limited.
Switching power supplies are ...
- 4,385
3
votes
Powering 6 servomotors requiring 6V and 2A each
Search aliexpress for '6V switching power supply'. You should find 5Amp or 10Amp ones for $10-$20. Silver boxes with holes in them. You can find them on ebay as well (usually the same chinese vendors ...
- 4,385
3
votes
Accepted
Can high voltage power lines provide a super highway for drones?
Sure, a drone can land on a powerline. That's a standard task like the "peg in hole problem" for robotarms. The aim is to maneuver a UAV near to a highvoltage line and eating all the energy. The ...
- 794
3
votes
Can high voltage power lines provide a super highway for drones?
I think yes it can but how? My options are here:
Static system for conventional systems
It should stand or hang to line/pole/special place like birds. Please watch video for an example: https://www....
- 1,104
3
votes
Accepted
Will this have more or less lifting strength
Every action has an equal and opposite reaction. Each motor/joint in a linear chain of actuators (snake) needs to be capable of supplying the appropriate reaction forces.
This mean that, if you have ...
- 16k
3
votes
Accepted
What battery capacity would be required to run a component for an hour?
Power (Watts, milliWatts, etc.) is given by:
$$
P = IV \\
$$
where $I$ is current in (milli)Amps, $V$ is voltage in Volts, and $P$ is power in (milli)Watts, respectively. Energy (Watt-hours, ...
- 16k
3
votes
Accepted
High power jumping mechanism in small robots
Looks like it uses a propane powered ram to launch itself into the air.
The end of the piston is visible in the back of the vehicle.
This webpage states that source of power is battery and propane
...
- 518
2
votes
Accepted
Powering my robot with 12V battery which is charged by a gas/petrol generator while the robot is operating?
The alternator in a car is constantly charging the 12V battery while the car is running, which is to say battery-wise you shouldn't have any issues.
Several things could be meant when you say the ...
- 16k
2
votes
How to calculate the current consumed by a brushless motor on a quadcopter
n = Kv * Vin only when there is no load on the motor. When there is a load on the motor, like from a propeller, you will need to be a bit more clever.
For a DC motor (which BLDC motors approximate by ...
2
votes
Best power solution for my robot
Regarding the battery requirements, LiPo batteries are probably the way to go, but they do require looking after in order to prevent any nasty accidents from occurring. I looked into this a few months ...
- 1,437
2
votes
How to decide the battery power for my robot
The Ah rating is a measure of charge - how many amps the battery can supply, for how long.
In your case you need 5A for 1 hour, and that is simply 5 Ah. You multiply the current by the time required, ...
- 1,041
2
votes
Is horsepower related to torque in electric motors?
What is horsepower?
Horsepower is a measure of power (work done in a specific period of time - the higher power, the more work done), just like watts or kilowatts. $ 1 hp \approx
0.75 kW$ In case of ...
- 953
2
votes
Is it possible to use a LiPo charger as a lab bench power supply?
The LiPo charger probably doesnt put out enough current to be very useful, and it likely doesn't have the circuit design to provide power at a stable voltage and current.
You would be better off ...
- 157
2
votes
Power solution for Raspberry Pi robot
I would rather use:
Two separate voltage sources with ground connected (5V PSU from powerbank + LiPo battery for engines)
or
One bigger LiPo battery with 5V regulator circuit for logic.
But if You ...
- 450
2
votes
How to power this servomotor?
No. If there is no {installation, electrical, maintenance, etc} manual/description etc. (and maybe add also quality certificate also here) it is not fair to assume anything. Buying something without ...
- 6,652
2
votes
Accepted
Supplying power from a power bank to an arduino and DC Motors
Are you sure the problem is about smart sensing ?
You should look about your 12V to 5V converter. Most of these devices require a minimum voltage above the desired voltage.
Typically, many 5V ...
- 56
2
votes
Accepted
How should I power my servo motor with the Adafruit PCA9685 chip?
Have you tried to connect the PAD supplied with the HSB servo the fifth picture on this page? It is not necessary but in the case that your battery is fully loaded it an cause an overload if you don't ...
- 66
2
votes
Accepted
Output power of an actuator - General definition
It reads to me like the author is stating that a stiffer material means it could make an actuator with more output power, which doesn't make a lot of sense to me.
Maybe they mean a more efficient ...
- 16k
2
votes
Accepted
Motor driver damage and jerking behavior when load driving in same direction as motor
What you need is something that is generally referred to as a "brake resistor."
It looks like there's an application note specifically for your product. It says, in part:
A voltage clamp is ...
- 16k
2
votes
Accepted
Stepper Motor: Direct Drive vs. Belt Drive vs. Geared Stepper Motor
Vibration is a matter of optimal motion control problem, not the type of motor that is used (as long as you used more than 16 micro steps for your steppers). You already used AccelStepper which is the ...
- 1,527
2
votes
Does anyone believe a high voltage battery say 100kV is possible? If so do you have a schematic or know a seller?
They do not have 100kV batteries. They use 12-volt batteries to power a fancy dc-dc converter, which steps up the voltage to 100kV with a Cockroft-Walton voltage multiplier. Ref: the abstract of the ...
- 1,271
2
votes
How to choose the correct power switch ratings for robotics?
There is a characteristic called ampacity that is defined as
the maximum current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature ...
- 16k
1
vote
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