Newsgroup: it.discussioni.auto
Titolo: Technical Note- Estimation of the Braking Distance from the Telemetry Data

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Citroën2, FIA Consultant
Paris, France.

Hi again dear Friends,
1. This mail is very interesting! Could you please read it until the
end? Thanks!
2. To estimate the braking distance associated to a braking between
v1(t=0) and v2 (v1>v2) (when t=N_samples*delta_t_sample) we need the
Telemetry Data of v(0)=v1, v(delta_t_sample), v(2*delta_t_sample),
v(3*delta_t_sample), ...,               
v((N_samples-1)*delta_t_sample), v(N_samples*delta_t_sample)=v2 and
N_samples=delta_t_braking / delta_t_sample.
3. We have
optimistic_braking_distance=
v1*delta_t_sample + ½ (v(delta_sample)-v1)*delta_t_sample +
v(delta_t_sample)*delta_t_sample  + 
½ (v(2*delta_t_sample)-v(delta_t_sample)) * delta_t_sample +
v(2*delta_t_sample)*delta_t_sample + 
½ (v(3*delta_t_sample)-v(2*delta_t_sample)) * delta_t_sample + ...+
v((N_samples-2)*delta_t_sample)*delta_t_sample + 
½(v((N_samples-1)*delta_t_sample)-v((N_samples-2)*delta_t_sample))*
delta_sample + 
+ v((N_samples-1)*delta_t_sample)*delta_t_sample +
 ½ (v2-v((N_samples-1)*delta_t_sample)) * delta_t_sample            (1)
4. Decreasing delta_t_sample (that is, increasing N_samples) we will
have a greater precision, that is, a less optimistic estimation of the
braking distance between v1 and v2. In the limit, when delta_t_sample->0
(that is, N_samples->+infinite), we would have the exact value of the
braking distance.
5. Williams-Renault has already done an experiment with a car equal to
the Senna's car and with a setup exactly equal to Senna's setup.
Applying (1) to the telemetry data of a hard braking between v1=270Km/h
and v2=76Km/h, Williams-Renault engineers obtained an
optimistic_braking_distance=137m and Senna's escape was 5m long!!!
6. FIA didn't know these numbers?!! I'm sorry FIA, you don't have any
excuse!!
7. I'm sorry FIA, you're nothing more than a Serial Killer. 
8. Dear FIA, please note that I'm not playing ... neither Dr Hillary
Clinton ... neither Williams-Renault... neither Ferrari...neither
Schumi...neither McLaren-Mercedes...neither Mika...
9. Ai, FIA, Ai dos Vencidos!...
10.  Dear FIA, what's your answer? Do you Capitulate?
11. Your Enemy Dr Hillary Clinton (that is, my friend Lady Hi, the best
Lawyer of the World) will very very soon send you a very very
interesting letter with the Capitulation Conditions.
12.  Dear FIA, please note that I'm not Bluffing.
13. Thank you for your attention and your comments.
Bye Bye. Ayrton Senna da Silva would say Chau! Ciao! Your Friend:
Ze' Fonseca
Lisboa, Portugal.
PS: Como eu Lamento não ser o Melhor Advogado do Mundo...
Ayrton Senna da Silva would say: Os Portugueses são um Povo de brandos
costumes...mas estou a ver que há algumas excepções...não achas Lady Hi?
:)
"(...) Se hei-de Morrer um dia
       Morra hoje
       Tanto Monta!  (...)"
Fernando Lopes Graça
Note: Tanto Monta=Tanto Faz.
To reply by e-mail please don't forget to remove all the Xs.

To reply by e-mail please don't forget to remove all the Xs.
MALEDETTO BASTARDO, avevo messo Citroen2 nel kill-filter
("delicatezza" che non ho mai riservato nemmeno a Jody, ma questo qui
ha proprio rotto il cazzo), e 'sto stronzo che fa? Posta con un nome
diverso! :-((((((
Il collaudo del mailbomber si fa sempre più probabile...
--
Crononauta
============================================
Quattro ruote motrici significa impantanarsi
in luoghi più inaccessibili.
(Dalle "Leggi di Murphy" di A. Bloch)
============================================
ICQ UIN: 4005815

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