Team 4

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Team 4




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Presentations text content in Team 4

Slide1

Team 4Senior Design Final PresentationMay 7, 2011

Slide2

Liz Kladder Jay Prins Zach Talen Tim Bangma Jon Mulder

Slide3

Outline

Project Introduction

Hybrid Technologies

Our Hydraulic System

Prototyping

Testing

Results

Business Plan

Conclusions

Slide4

Project Introduction

Context

 Efficient energy usage

Problem

 Inefficient vehicle use can be unavoidable in some applications

Solution

 Improve efficiency with the

hydraulic

h

ybrid

s

ystem

Slide5

Overall Project Goal

Validate Hydraulic Hybrid System can increase stop and go fuel efficiency by 40%

Slide6

Design Norms

Stewardship

Caring

Transparency

Slide7

Hybrid Technologies

ElectricToyota PriusFlywheelFormula 1HydraulicUPS

Slide8

Benefits of a Hybrid System

Regenerative brakingOptimal engine performanceDecreased brake maintenance

Slide9

Benefit of Hydraulic Hybrids

Less energy conversionsElectricHydraulic

Slide10

Two Types of Systems

www.Eaton.com

Series

Parallel

Slide11

Hydraulic System

Slide12

Hydraulic System: Accelerating

Slide13

Hydraulic System: Coasting

Slide14

Hydraulic System: Braking

Slide15

Prototypes

Base CaseHydraulic Hybrid

Slide16

Base Case Cart:

Frame

Slide17

Base Case Cart: Gas Engine Mounting

Slide18

Base Case Cart: Drive Train

Slide19

Hydraulic Hybrid Cart

Removed base case drive train

Retrofitted cart with hydraulic components

Hydraulic Pump

Hydraulic Motor

Accumulators

Reservoir

Hydraulic Valves

Slide20

Hydraulic Hybrid Cart

Slide21

Reservoir

Slide22

Hydraulic Pump

Slide23

Accumulators

Slide24

Flow Control Valves

Slide25

Hydraulic Motor

(www.grainger.com)

Slide26

Other Components

Redundant Brakes

Hydraulic

Mechanical

Linkages

Gas pedal

Brake pedal

Slide27

Hydraulic Hybrid Retrofit Costs

Component

Cost

Eaton

Hydraulic Pump

$246.50

Accumulators

Inc. Accumulators

$3286.00

7 gal.

Reservoir

$100.00

Haldex

Hydraulic Motor

$200.25

Misc. Hydraulic Valves

$843.00

Misc. Hoses and Fittings

$550.00

Mechanical Couplers

$60.00

Pressure Fixtures

$1000.00

Total

$6285.75

Slide28

Test Procedure

Slide29

Testing Video

Slide30

Results

Base Case CartHydraulic Hybrid CartStop and Go Fuel Economy13.9 mpg21.1 mpg

52.4%

increase in average stop and go fuel economy

Slide31

Improvements

Different pump or hydraulic motor

Variable displacement motor

Check valves with lower cracking pressure

Design to eliminate minor losses

Slide32

Business Plan

Target MarketPackage delivery, garbage trucks, city busesIntroduction to the marketO.E.M.Retrofit is to expensivePotential SavingsHigher gas mileage, lower maintenance costs

Slide33

Business Plan

FeasibilityHigh cost on prototypePay back period is 19 years at current gas prices ($4.20)Longer than the life of the vehicle

Slide34

Obstacles

Budget

Time

Experience with Hydraulic Systems

Component Failure

Slide35

Slide36

Conclusions

Met our goal!

Met efficiency expectations

Proved our system works

Very expensive system

Learned a lot

Had fun!

Slide37

Acknowledgements

Matt Mills & Kelly

Dawley

– Vermeer Corporation

Vermeer Charitable Foundation – Financial Support

Ned Nielsen – Team Advisor

Ren

Tubergen

– Industrial Consultant

Phil

Jasperse

– Calvin College Metal Shop

Charlie Huizinga – Calvin College Physical Plant

Bond

Fluidaire

, Inc – Hydraulic hose and fittings

Great Lakes Fluid Power – Accumulator Charging

Rex

Sheler

– Decals

Mike Harris – Donor Acquisition

Jim

Kuipers

– Cart Donation

Family and Friends

Slide38

Questions?


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