[python] Re: Python, of course.
- From: Ray Schümacher <mtb@xxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Mon, 12 Sep 2005 07:37:05 -0700
If the bike could be modelled reasonably, then a survey of people's python
results and geometries could could be used as matrix factors and solved for.
This would give a fuzzy representation of what human adult reflex response is,
I think.
Ray
At 02:25 AM 9/12/2005, you wrote:
>What is acceptable stability anyway? To most people the python or flevo are
>far to unstable and hence below their acceptance. They are not willing to
>invest the time it takes to learn to ride these bikes.
>
>And above that point? Among us who do ride these contraptions - what do we
>consider stable or not? Again, it depends on how deep you are into the
>knicklenker-addiction. There are no norms, only individual preferences. I for
>one think that anything can be ridden as long as you find joy in trying.
>
>I am not even sure there are good bikes and bad bikes - it all depends on how
>you use them.
>
>
>tamam,
>olaf
>
>
>
>On Sep 12, 2005, at 10:46, Dirk Bonne wrote:
>
>>
>>
>> On 09/01/2005 07:02 PM, mtb@xxxxxxx wrote:
>>At 12:35 AM 8/20/2005, you wrote:
>>
>>
>>The calculations made by Ray and Dirk are a big progress towards the
>>evaluation of stabilty factors in the python frame geometry. But the
>>ultimate solution is still not found (and I guess it never will be ;-)
>>
>>I think that the "solution" would require modeling the reflexive response and
>>natural damping action of human bodies; the python itself cannot be made
>>self-stable. However, as everyone here seems to agree, it can be made easier
>>to control (minimizing necessary input).
>>As others pointed out, making a unicycle taller makes it "more stable" and
>>easier, but it can never be truly stable.
>>
>> A little late responce to this: I totally agree with this point of view. The
>> human must be calculated in. If there is to be a real progress of the
>> evaluation of the stability of the python, then one needs to know what is
>> easy for a human to control and what is not. But this depends on the amount
>> of learning this particular person does.
>>
>> In my view a bike and a rider combination is acceptable when the corrections
>> needed on the part of the rider to keep the bike up does not need much of
>> concentration effort.
>>
>> dirk
>>
>>In 100 years of effort, no one has ever published a complete physical
>>description of the motion of hinged two-wheeled vehicles. There is a
>>commercial package I saw that can dynamically model almost all of the
>>important aspects of motorcycles. It is done with a package like ODE
>>http://ode.org/
>>http://ode.org/slides/igc02/s19.html
>>
>>Ray
>>
>>
>>
>>============================================================
>>
>>This is the Python Mailinglist at freelists.org
>>
>>Listmaster: Jürgen Mages jmages@xxxxxx
>>
>>To unsubscribe send an empty mail to
>>python-request@xxxxxxxxxxxxx
>>with 'unsubscribe' in the subject field.
>>
>>============================================================
>>
>>
>
>============================================================
>
>This is the Python Mailinglist at freelists.org
>
>Listmaster: Jürgen Mages jmages@xxxxxx
>
>To unsubscribe send an empty mail to python-request@xxxxxxxxxxxxx
>with 'unsubscribe' in the subject field.
>
>============================================================
>
============================================================
This is the Python Mailinglist at freelists.org
Listmaster: Jürgen Mages jmages@xxxxxx
To unsubscribe send an empty mail to
python-request@xxxxxxxxxxxxx
with 'unsubscribe' in the subject field.
============================================================
Other related posts:
