66420247 handfree driving pwrpnt

8/2/2019 66420247 Handfree Driving Pwrpnt

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PRESENTED BY,

FABIN FRANCISROLL NO: 17


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INTRODUCTION

All around the world almost 45% of the accidents occur bymistakes of the driver. .

This seminar paper is based upon the project work beingcarried out by the collaboration of DelphiDelco Electronics(DDE) and General Motors Corporation. It was named the

Automotive Collision Avoidance Systems (ACAS) field

operation program to build the tomorrows car.


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ACAS

Its goal is to develop a comprehensive FCWsystem.

FCW includes the combined ACC & rearends CWfunctionality.

Detection of hazard conditions associated withcrash is accomplished by

(a) a long range forward radarbased sensor &

(b) a forward visionbased sensor which detectsand tracks lanes.

Development activities of FCW are divided to 2phases;


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FCW (Forward Collision Warning)It included forward looking radar system

Helps drivers to reduce need for manually adjusting

speed.

It also alerts driver by audible & visual methods whenbraking is necessary.


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Using braking & throttle systems it manages a speed tokeep distance set by driver

DDE has modified three vehicles to provide the basicfunctionality of fully integrated ACC and FCWsystems.


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ACC (Adaptive cruise control)

In the current ACAS program, four complementary host and road stateestimation approaches are being developed

(a) vision based road prediction

(b) GPS based road prediction

(c ) Map based path prediction

(d) Brake & throttle control These 4 approaches are being correlated and fused by the Data Fusion

system & provides an improved estimate of the roadwayshape/geometry in the region ahead of the Host vehicle, and animproved estimate of the Host vehicles lateral position.


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Vision Based Sensor system consists of two components.

A video camera & A remotely located image processing unit .

Datas from these are fused together with other sources toprovide accurate estimate of road.

The system will operate in clement weather, in both day and

night conditions, and under natural and artificial lighting. Theroad surface should be paved, clear, and free from glare, and theroad markings should have good contrast.


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MAP BASED PATH PREDICTION Has a stored roadway map in it.

The combination of dead reckoning and DGPS withthe map database has been explored to obtain a mapbased path prediction system


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Gps based path prediction

It allows users to locate their position any where inworld

GPS systems use a network of 24 satellites to establishthe position of individual users.


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Brake & throttle control

Brake control system includes an antilock brakesystem (ABS), vehicle stability enhancement, andtraction control features

Throttle control system maintains the vehiclespeed in response to the speed set by the driver or inresponse to the speed requested by the ACCfunction


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BENEFITS Conveniently manages vehicle speed and headway gap

Makes cruise control more useable in most traffic

conditions resulting in a more relaxed drivingexperience

Operates under wide range of environmentalconditions

( dusty, ice, day, night, rain, or fog)


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FEATURES Radarbased sensing for optimal performance

Sensor hidden behind front grille.

Best available detection and tracking performance

Manages vehicle speed and headway gap using throttlecontrol and limited braking

Automatically notifies driver of a block via displayedmessage


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CONCLUSION Robotics is the part of engineering, which exploits

each aspect of electronics and mechanicalengineering. The developments of robotics have leadto the ACAS program. On the completion of thisprogram vehicles will change the phase of driving; ahand free driving.


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Thank you

Ready for the attack.

66420247 handfree driving pwrpnt

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