OT: Hoverboard, what percentage of power is used for balance

J

John Doe

Guest
What percentage of hoverboard power is used for balance?
I do not understand exactly how they work, but I know there are at least
two forces required. One force propels the rider, like any other
electric vehicle. The other force keeps the platform from tipping over.
I'm wondering what percentage of battery power keeps the platform from
tipping over. I might find out. Any wild guesses?

Thanks.
 
On 2019-11-02, John Doe <always.look@message.header> wrote:
What percentage of hoverboard power is used for balance?
I do not understand exactly how they work, but I know there are at least
two forces required. One force propels the rider, like any other
electric vehicle. The other force keeps the platform from tipping over.
I'm wondering what percentage of battery power keeps the platform from
tipping over. I might find out. Any wild guesses?

The question is how much work is done to keep the rider above the
platform. so apart from computation and switching losses, for a
travelling platform no extra work is needed.

--
When I tried casting out nines I made a hash of it.
 
On Sat, 2 Nov 2019 17:02:16 -0000 (UTC), John Doe
<always.look@message.header> wrote:

>What percentage of hoverboard power is used for balance?

Almost none.

The balancing is done by adjusting the power of the drive motors. When
the driver is tilting slightly forwards, the motors will add power,
moving the driver's feet in under his center of mass to maintain
balance.
--
RoRo
 
On Saturday, November 2, 2019 at 1:02:23 PM UTC-4, John Doe wrote:
What percentage of hoverboard power is used for balance?
I do not understand exactly how they work, but I know there are at least
two forces required. One force propels the rider, like any other
electric vehicle. The other force keeps the platform from tipping over.
I'm wondering what percentage of battery power keeps the platform from
tipping over. I might find out. Any wild guesses?

Is it at all important to know how much relative power is needed to balance the rider? I think what you are asking about is the relative energy. The energy required to balance a stationary rider is not zero as the platform has to move back and forth under control of the rider. The energy used to move the rider is zero since he isn't going anywhere. The ratio is indeterminate because of a division by zero. For a moving rider the energy used to balance the rider is essentially zero because it is done by the rider trimming the speed of the motion. In that case the ratio is zero.

--

Rick C.

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