1

CAR WITH AIRBAG

By

M. Subba Rao

10MF12F

Agenda

2

Introduction

Mission Statement

Identify Customer Needs

Concept Generation

Concept Selection

Future Activities

Mission Statement: Car With Airbag

Product Description:

-Car with Automatic Expanding Airbag

Benefit Proposition:

-Saving the Life from Accident

Key Business Goals:

-Product introduced in fourth quarter of

2011

-20% Gross Margin 3

Mission Statement: Car With Airbag

Primary Market: High-end Cars, Sports Vehicles.

Secondary Market: Passenger Car, Luxury Buses

Assumptions: Environmentally Friendly

Stakeholders: Business Holders, Company PO’s,

4

Identifying Customer Needs

5

1. I have to identify the danger well before.

2. Safety Device makes me feel uncomfortable while driving.3. Safety device should protect me even in severe accident.4. I would like to know whether Airbag would work effectively after long unused period.

5. I would like it to occupy less space.

6. I don’t want to change my present design much after safety device installation.

7. Present safety device is not easily replicable.

Customer Statements & Interpreted NeedsCustomer statement Interpreted needS.No

1 I have to identify the

danger well before

Danger is to be

Pre-identified

2

Safety Device function

properly in even sever

accident

Safety device does not

hinder occupants movements

3 Safety Device function

properly even in severe

accident

Airbag works effectively

even after long unused

period

I would like to know whether

airbag would work affectively

after long unused period

6

Safety device makes me feel un-comfortable while driving

4

Imp

4

3

5

5

Customer Statements & Interpreted Needs

Customer statement Interpreted needS.No

5 I would like it to occupy

less space

Safety device occupies

less space

6

Safety device is easily

replicable

Safety device installation

is compatible with

present design

7 Present safety device is

Not easily replicable

7

I don’t want to change the present design much after for safety device installation

Imp

2

4

3

Technology S-Curve

8

Performance

1975 1998 2015

ACRS

HPR

Lexus LFA

9

10

Concept Generation

AccelerationDecelerationImpactBrake PressureSpeed

11

25 DifferentSensors

Identify condition

Signal toSafety Device

Any obstacle 5 meters

before the vehicle with considerable parameters

Air bag opens

12

Function Diagram

Store ExternalEnergy

Convert AvailableEnergy into

Pressure energy

Expanding media

Input Pre-energyTo Airbag

Sensorsignal

Signals toActuator

Energy

Material

Sense of Colliding

object

PressurizedAirbag

Concept Classification Tree

Stored energy

Electrical

Magnetic Field

Fuel cell

Fuel Air System

Explosive

Pneumatic

Chemical

Motor

13

Concept Classification Tree

Stored energy

Electrical

Magnetic Field

Fuel Air System

Explosive

Pneumatic

Chemical

14

Concept Combination Table

Stored

Energy

Magnetic

Repulsion

Send Pressure

Energy into

Airbag

Explosion

Chemical

Reaction Pressurized

AirbagExplosive

Substance

15

Convert Available

Energy into

Pressure energy

Chemicals

Magnetic

Field

Air Compressor

Concept Combination Table

Stored

Energy

Magnetic

Repulsion

Send Pressure

Energy into

Airbag

Explosion

Chemical

Reaction Pressurized

AirbagExplosive

Substance

16

Convert Available

Energy into

Pressure energy

Chemicals

Magnetic

Field

Air Compressor

Concept 1: Compressor Air

17

Compressed Air

Concept Combination Table

Stored

Energy

Magnetic

Repulsion

Send Pressure

Energy into

Airbag

Explosion

Chemical

Reaction Pressurized

AirbagExplosive

Substance

18

Convert Available

Energy into

Pressure energy

Chemicals

Magnetic

Field

Air Compressor

Concept 2: Chemical Substance

19

H2

½ O2

Chemical Reaction

Concept Combination Table

Stored

Energy

Magnetic

Repulsion

Send Pressure

Energy into

Airbag

Explosion

Chemical

Reaction Pressurized

AirbagExplosive

Substance

20

Convert Available

Energy into

Pressure energy

Chemicals

Magnetic

Field

Air Compressor

Concept 3: Explosive Substance

21

ExplosiveSubstance

Concept Combination Table

Stored

Energy

Magnetic

Repulsion

Send Pressure

Energy into

Airbag

Explosion

Chemical

Reaction Pressurized

AirbagExplosive

Substance

22

Convert Available

Energy into

Pressure energy

Chemicals

Magnetic

Field

Air Compressor

Concept 4: Magnetic Field

23

N

Air

S

Concept Selection: Concept screening matrix

Selection criteria Concept 1

ConceptsConcept 2 Concept 3 Concept 4 Reference

Effectiveness +-

0-0

Space Occupancy

Environmentally Friendly

Reliability

Weight of the unit

Ease of maintenance

+

+0

-+

0

++

0

+

+

-

0

-+

0

++

0

0

0

0

0

0

Sum +’s

Sum -’s

Rank

Sum 0’s

Continue

2 2 4 3 0

2 1 2 0

2 1 1 1 0

0 1 3 1 0

3 2 1 2 0

No No Yes Combine 24

0

Net Score

3

Concept Selection: Concept scoring matrix

Selection criteria

Concept 2

Concepts

Effectiveness

Space occupancy

Environmentally Friendly

Reliability

Weight of the unit

Ease of maintenance

Total score

Rank

3.4

4

Weight

Concept 3 Concept 4

Rating Wt Rating

0.25

0.2

0.1

0.2

0.2

0.1

Rating Wt Rating Rating Wt Rating

2

3

4

3

3

1

0.4

0.3

0.8

0.6

0.3

2

4.35

5

4

3

4

5

2

1.25

0.8

0.3

0.8

1

0.2

3

3

4

1

4

2

3

4

1

0.2

0.4

0.4

0.6

0.4

1

Continue No DEVELOP NO

25

Working Principle

26

Sensorssignal

Electrical Coil

Conductor Pressurized Airbag

27

Limitations: If Car fell down, no safety.

If other car hit, no safety.

More cost Launch in Aircraft Launching to Motor Cycle

Future Activities

28

References

http://ulrich-eppinger.net

http://www.wikipedia.org/wiki/airbag

http://www.airbagsolutions.com

http://www.youtube.com/carbags-explained

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