explanation of motorcycle afs agenda 10(a) the 60 th session of gre 01-03 october 2008 japan...
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Explanation of motorcycle AFSExplanation of motorcycle AFSAgenda 10(a)
The 60th Session of GRE01-03 October 2008
JAPAN AUTOMOBILE STANDARDS INTERNATIONALIZATION CENTER
AFS : Adaptive Front-lighting System
Purpose
This system improves the visibility of motorcycle which is cornering at the nighttime.
Functions
This system changes the illumination area of headlamp automatically in according with the bank angle of motorcycle.
Explanation of motorcycle AFSExplanation of motorcycle AFSAgenda 10(a)
The 60th Session of GRE01-03 October 2008
JAPAN AUTOMOBILE STANDARDS INTERNATIONALIZATION CENTER
δ: Headlamp adjustment angle
δ: bank angle
f: centrifugal force
Mg : weight
How to calculate bank angle
v :vehicle speed ω: yaw rate
f: centrifugal force
δ: bank angle(equal to headlamp horizontal inclination adjustment angle)
Mg: weight
Explanation of motorcycle AFSExplanation of motorcycle AFSAgenda 10(a)
The 60th Session of GRE01-03 October 2008
JAPAN AUTOMOBILE STANDARDS INTERNATIONALIZATION CENTER
ECU
Vehicle speed sensor
Yaw rate sensor
Headlamp unit
motor
Angle sensor(potentiometer)
System construction diagram
Explanation of motorcycle AFSExplanation of motorcycle AFSAgenda 10(a)
The 60th Session of GRE01-03 October 2008
JAPAN AUTOMOBILE STANDARDS INTERNATIONALIZATION CENTER
Illumination area of conventional headlamp
Illumination area of AFS headlamp
Expanded illumination area
Explanation of motorcycle AFSExplanation of motorcycle AFSAgenda 10(a)
The 60th Session of GRE01-03 October 2008
JAPAN AUTOMOBILE STANDARDS INTERNATIONALIZATION CENTER
START
We demonstrate how the AFS works when the motorcycle runs along these corners.
Demonstration course
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