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AutopilotSystemStudymeeting

ITS Policy and Program Office, Road Bureau, Ministry ofLoad, Infrastructure and Transportation and Tourism.

September 12, 2012


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(CONTENTS)

1.Background of Study meeting

2.Procedure Leading Up To ConceptSelection (provisional)

3.Achievable Combination of Component

. sua ep ct on o ra t concepts

1


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1.BackgroundofStudymeeting(AHS)

T eA vance CruiseAssistHig waySystem AHS isasystem esigne toprovi ein ormationtot e riverinrea

timethroughcooperationbetweentheroadandthevehicle,toincreasethesafetyofvehicledriving,increasethe

quantityof

goods

that

can

be

transported,

and

ultimately

achieve

automated

driving.

In1994 theformerPublicWorksResearchInstitute nowtheNationalInstituteforLandandInfrastructure

Management)begandevelopmentandexperimentationaimedatachievingautomateddrivingusingAHS.

In1996,magneticmarkerswereembeddedinthecenterofroadlanesattwometerintervals,andaconvoyof11

vehiclestraveledcontinuouslyforapproximately11kilometersinademonstrationofautomateddrivingonpublic

roa s.

Ma neticMarker

Standardtype Flattype SensorattachmentMagneticlane

markersensors

Ma neticMarkerSensors

Vehicletovehiclecommunication

Roadto

vehicle

communication

Human

onboardcamera

Roadsensorcamera

AHS:

Demonstration

test

of

cruise

assist

drive

Informationprocessingunit

Radar

interface

Actuator

(throttle,brake,steering)lanemarker

sensor

2Source:AHSRA

Configurationoftestsensors

anemar er


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1.BackgroundofStudymeeting

May2011 SetUpNextgenerationITSWorkshop headedby

Parliamentary

Vice

Minister

of

MLIT)May2011andthereafter AtotaloffiveworkshopsheldMarch26,2012 Workshopsummaryreport(releasedpublicly)

Purposeof

workshop

and

background

of

establishment,

etc.

Theworkshopwassetuptoconductstudiesrequiredtoachieveautomateddrivingonexpressways.

InterviewswereheldfivetimeswithkeyindividualsintheareaofITSandadvancedvehiclesafety.

Attheworkshops,participantsdiscussedtechnicaltrends,issues,etc.,relatingtotheachievementofautomateddriving.

MajorissuesthatmustberesolvedtoachieveautomateddrivingTherearevariouspossiblepatternsfortheautopilotsystemthatisrequiredtoachieveautomateddriving(theconceptmustbeclarified).

oac eveau oma e r v ng, ssuesmus ereso ve rom e us ness, ns u ona ,sa e y,soc e a

demandstandpoints,

etc.

3

theautopilotsystem


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[Reference] SummaryofNextGenerationITSWorkshop(excerpts)

y ,roa ve c ean ve c eve c ecooperat ontec no og esw e eve ope ,an aroa vehicleandvehiclevehiclecooperativedrivingsupportsystemwithadvancedAdaptiveCruiseControl

(ACC)will

be

studied

and

tested.

Effectiveness in eliminatin con estion on ex resswa will be demonstrated at the ITS World Con ressinTokyo,andthetimewhentheautopilotsystemwillbedevelopedwillbeannouncedpublicly.

Thegoalistoachieveanautopilotsystembythebeginningofthe2020s.

ApproachtoachievementofnextgenerationITSthroughpublicandprivatesectorresearchanddevelopment(draft)

Achievementof

driving

Roadvehiclecooperativecontrol

typeAdaptiveCruiseControl

(ACC)(front

rear

and

left

right)

on

oa ve c ecoopera vecon ro

(leftright)

Demonstrationtestsusing

steeringsupportandthelikein

additionto

ACC,

etc.

Roadvehiclecooperativecontrol

(frontrear)

Ser

Demonstrationtestsoncongeste

locationsonexpressways,usingACC,

roadvehiclecommunications,etc.

Autonomouscontrol

(alreadyachieved)

AdaptiveCruiseControl

(ACC)

Brakingthatreduces

collision dama e

icelevel

becomesafer

Lanecontrolassist

technology

OtherAdvancementofinformationprovidedviaITSSpots

DemonstrationatITSWorldCongress

(Tokyo)

languages,etc.)

BroadbasedinformationmanagementandinformationsharingwithotheragenciestomakeroadmanagementmoreefficientUseinformationfromdrivingrecordersandthelikeobtainedthroughtheuseofstateoftheartautomobiletechnologiesforroadmanagement

Implementationof

ASV5

(study

aimed

at

dynamic

development

in

preventive

safety

4AdaptiveCruiseControl(ACC):Vehiclecontroltechnologythatmaintainsdistancebetweenone'svehicleandthevehicleahead in termsoftime,speed,etc.

performance,studyofsystemsthatusecommunicationstopreventtrafficaccidentsinvolvingpedestrians,etc.)Promotionofassistanceforsafedriving

ScheduleBeginningof2020s

(approximate)2011 2012 2013


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2.ProcedureLeadingUpToConceptSelection((2)selectionofconcept)

Comparativelystudythecomponents.Realisticallyarrangethetypeofcomponentsthatare

determined,andconsidertherealisticcombinationsofthesecomponenttypestoestablishdraft

concepts.

Arrangedetailedissuesforeachofthemultipledraftconceptsthathavebeenestablished,andselect

conceptsthathaveahighsocialimpactandareachievable.

Anoverviewoftheissuesinvolvedwithrespectto

eachcomponentwillbecomparedandstudied,and

thetypesofcomponentsthataredeterminedtobe

Achievablecombinationsofthetypesof

componentsorganizedin(1)willbe

considered andestablishdraftconce ts.

Specificissuesrelatingtothedraft

conceptsin(2)willbeorganizedand

selected.ac eva ew ese ec e .

Conceptcomponents Draftconcepts Conceptselection

1 Vehicle drivin mode

Draftconcepts1

Draftconcepts2

3typesConcepts

(2)Structureofroadonwhich

automateddrivingvehicleistraveling

3types

Draftconcepts3

(3)Modeofoperationandresponsibility

forautomateddriving

4types

6

Total36types(3 4types):Achievablecomponents(Example:2x2x2types)


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4.Visualdepictionofdraftconcepts

ThefollowingfourdraftconceptswereestablishedthroughthecombinationofFollowingdriving"andConvoyformation"in"(1)

Vehicledrivingmode,""Exclusivelanes"and"Ordinarylanes"in"(2)Structureofroadonwhichautomateddrivingvehicleis traveling,"

and"Contracted

party

(automated

driving

operation

company,

etc.)

assumes

responsibility"

in

"(3)

Mode

of

operation

and

responsibilityforautomateddriving."

Draftconcept1 Draftconcept2

Exclusivelanes Ordinarylanes

Inexclusive

lanes,

vehicles

follow

the

vehicle

being

operatedbytheautomateddrivingoperationcompany,

etc.

Inordinarylanes,vehiclesfollowthevehiclebeingoperatedbytheautomateddrivingoperationcompany,etc.

Contractedparty(automateddrivingoperationcompany,etc.)

Follow

Vehiclecanstart

andstop

followingwhile

Exclusive

lane

Vehiclecan

start

ngd

rivi

Contractedparty

(automated

driving

operationcompany,

Ordinary

lane

followingwhile

traveling Ordinary

lane

g etc.

Inexclusive

lanes,

the

vehicle

being

operated

by

the

automated

drivingoperationcompany,etc.,andmultipleothervehiclesforma

convoyandtraveltogether.

ra t oncept

Inordinary

lanes,

the

vehicle

being

operated

by

the

automated

driving

operationcompany,etc.,andmultipleothervehiclesformaconvoy

andtraveltogether.

ra t onceptConv

Exclusive

laneContractedparty

automateddrivin

Contractedparty(automateddrivingoperationcompany,etc.)yform

a

8

Ordinary

lane

operationcompany,

etc.)

Ordinary

lane

tion


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4.Visualdepictionofdraftconcepts(visualdepictionofultimategoal)

Whenstudyingtheautopilotsystem,establishadraftconceptkeepingtheultimategoal

in

mind. ,

achieved,andconductongoingstudy.

Visualdepictionofultimategoal(draftconcept5)

Ve ic eswi trave in epen ent yinor inary

lanes.

Thevehicleitselfwilldetectthemovementof

surroundin vehicles roadstatus the resenceof

obstacles,etc.

Ordinary

lane

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