Tema: Re: DRL
Autorius: Jonas
Data: 2012-01-06 11:43:52
As va toki EU doka radau:
http://ec.europa.eu/transport/road_safety/vehicles/doc/consultations/drl_trl.pdf

esmines isvados tingintiems skaityt:
Although it is possible to be critical of several specific aspects of the
work, very substantial evidence has been presented that the introduction of 
DRL would result in a net
casualty reduction effect.

DRL with
high light intensities could impair the conspicuity of motorcyclists but it 
was possible to design DRL
that could improve the conspicuity of cars in the dim ambient light 
conditions of most relevance
without adversely affecting the conspicuity of motorcyclists. The exact 
recommendations varied but
DRL of 200cd would have fallen within the recommended ranges of both Cobb 
(1992) and GRE
(2003, 2004). This shows that it is very important that the technical 
details of the implementation of
DRL are considered very carefully since it may be that a policy option which 
involved the use of
existing passing beam headlights (or high intensity dedicated DRL) as DRL 
could have an adverse
effect on motorcyclist conspicuity.

However, an
independent assessment of those effects using a sophisticated computer 
modelling technique has
suggested that the estimate of a 0.5% to 1.5% increase in fuel use and 
carbon dioxide emissions
appears reasonably accurate and possibly even slightly higher than 
justified. The computer modelling
undertaken as part of this review suggested increases of 0.28% for dedicated 
DRL (21 watts each) and
1.0% for passing beam headlights (55w each plus rear and interior lights).

"CodeC"  wrote in message news:je56k7$h0$1@trimpas.omnitel.net...

skaitineju stai 108 puslapiu dokumenta parengta NHTSA. tai tikrai rimtas
dokumentas, su kruvom detaliu, atliktu tyrimu aprasymu begales ivertintu
aplinkybiu. daug skirtingu rezultatu suvestiniu i labai daug ka
atsizvelgta. tikrai nesiruosiu cia perpasakoti. pasakysiu tik trumpai:
pacioj bendriausioj rezulatatu suvestinej, yra stai toks idomus dalykas:

The following shows the effectivness of DRLs against all three daytime
target crashes:

-0.7%

kas isvertus zodziais: DRL zvelgiant labai globaliai PADIDINA avaringuma
0.7%. yra suvestinese ir teigiamu skaiciu. yra ir neigiamu - gerokai
didesniu uz -0.7%. priklausomai nuo LABAI daug aplinkybiu. dar kas
idomu, beveik prie visu rezultatu padaryta tokia isvada:

"none of the results were statistically significant"

tai dabar klausimas tiems, kas bent minimaliai sugeba mastyt:

tai tera viens is daugelio dokumentu. tai dokumentas turintis info su
realiu tyrimu rezultatais ir detaliu metodologijos aprasymu. tokiu
dokumentu yra daug, is ivairiu saltiniu, su skirtingom metodologijom.
kiek teko man ju matyt - bent kazkiek rimtai atrodantys skaitosi
pakankamai sudetingai ir tikrai yra ka veikti norint suprasti. jie
pateikia nemazai kontraversisku isvadu. FAKTAS yra labai paprastas: DRL
yra labai smarkiai abejotinos naudos dalykas. sunkiai ivertinamas ir
sunkiai turetu but sprendziama: gerai DRL konkrecioj vietoj konkreciu
laiku ar be. vienokiose situacijose lyg ir yra naudos, kitose lyg ir yra
zalos. o ar tai buvo isstudijuota priimant tokia tvarka? ar bent vienas
valdziazmogis yra mates ir skaites kanors panasaus? ar bent vienas JUSU
yra tai skaite? ar bent vienas turit ziniu ir sugebejimu tyrimu isvadas
ir metodus interpretuoti ir PRITAIKYTI vietinei situacijai? ar tai buvo
padaryta isleidziant tokia tvarka? ar jus turit teise mane durnint ir
zemint, negirdeje issamesnio DRL prievoles pagrindimo kaip 'lempa
lengviau pastebet' ir savo subjektyviu pezalu?

pdf NEprisegsiu. nei vieno oponento verto ir igalaus suprast kas ten
parashyta cia nera. tie kas domisi ir kam rupi REALYBE, o ne
pasipyzdavoti, tikiu patys sugebes susirasti.
o troliam sulau pamastyt, kaip is sono jus atrodot varydami ant manes.
man tai neskauda, tiesa sakant man netgi linksma. pamatyt ir parodyt
begalini zmoniu ribotuma, bukuma ir netgi piktuma.