Erl Comfort Score Objectively Measures Driver Experience

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Illustrates objective measures of seating comfort for design and evaluation of seats. Shows difference for driver comfort score

Text of Erl Comfort Score Objectively Measures Driver Experience

  • 1. ERL LLCMay 19, 2012

2. All car drivers, worldwide, deservehigher comfort levels. 2 3. Acura RL, Acura MDX, Audi A8, Audi A6, Audi A4 (2), BMW 325Ci, BMW530xi, BMW 740iL, BMW X3, BMW X5, Buick LaCrosse, Buick ParkAvenue, Buick Rainier, Buick Regal, Cadillac CTS, CadillacDeville, Cadillac DTS, Chevy Cavalier, Chevy Cobalt, ChevyCorvette, Chevy Equinox, Chevy Monte Carlo, Chevy HHR, ChevyTahoe, Chevy Trailblazer, Chrysler 300, Chrysler LHS, Chrysler Town &Country, Dodge Dakota, Fiat 500, Ford Edge, Ford Escape, Ford F150, FordMustang, Freightliner M2, GMC Savana, Honda Civic, Honda Fit, HondaOdyssey, Hummer H2, Hummer H3, Jeep Wrangler, Kia Sportage, LandRover Range Rover, Lexus ES300, Lexus LS430, Lexus RX300, LexusRX330, Lincoln LS, Mercedes Benz C-class, Mercedes Benz E-class(2), Mercedes Benz S-class, Mercedes Benz SLK, Nissan Quest, NissanMaxima, Olds Alero, Pontiac G6, Pontiac Montana, Pontiac Torrent, Saab 9-3, Saab 9-5, Saturn LS, Saturn L300, Saturn Vue, Toyota Avalon, ToyotaCamry, Toyota Highlander, Toyota Land Cruiser, Toyota Prius, ToyotaSequoia, Toyota Sienna (3), Toyota Solara, Toyota 4-Runner, VolkswagenBeetle, Volkswagen GTI, Volkswagen Jetta, Volkswagen Passat, VolvoS80, Volvo V70, Volvo XC90.3 4. 3 Cars from Germany, United Statesand Japan illustrate comfort issues. 4 5. In the 3 examples,comfort scores less than 3.5 ona 5 point scale represent noticeablediscomfort for the driver or passenger.5 6. 2007 German Mid-Size LuxurySedanERL Score: 3.4 SMALL Cushion Seatback2.93.4Cushion too longtoo long too shortCushion provides thigh pressure too muchno supportpressureCushion is too wide at Ischium too narrow too wideCushion is wide at thigh too narrow too wideHead Restraint is too close too close too far ERL Patents: US #6,840,125, US#7,047,831, US#7,347,114, US #7,797,138, 6 7. 2007 German Mid-Size LuxurySedanERL Score: 4.2Cushion 4.0Seatback3.9MEDIUM Cushion length is just righttoo long too short Cushion provides thigh pressuretoo much no support pressure Cushion is wide at ischium too narrowtoo wide Head restraint is closetoo closetoo far ERL Patents: US #6,840,125, US#7,047,831, US#7,347,114, US #7,797,138,7 8. 2007 German Mid-Size LuxurySedanERL Score: 3.9Cushion 4.5 LARGESeatback3.6Cushion length is just righttoo long too shortHead restraint is too closetoo closetoo farSeat requires additional rearwardtravel+ forward+ rearward ERL Patents: US #6,840,125, US#7,047,831, US#7,347,114, US #7,797,138,8 9. 2008 Mid-Size SUV from United StatesERL Score: 3.0Cushion 3.3Seatback2.8 Small Cannot comfortably reach accelerator cannot reachcan reach Cushion length is too longtoo long too short Head restraint is too closetoo closetoo far Seatback stiffness is too soft too firmtoo soft Bite line contact is closeextreme no contact penetration ERL Patents: US 25mm (Heel off floor) #6,840,125, US#7,047,831, US#7,347,114, US #7,797,138,9 10. 2008 Mid-Size SUV from United StatesERL Score: 4.7 Cushion 4.7 Seatback4.5 MediumCushion length is just right too long too shortSeatback insert stiffness is toosofttoo firmtoo softOverall bolster shape providesgood support extremeno contactpenetrationERL Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138, 10 11. 2008 Mid-Size SUV from United StatesERL Score: 4.4 Cushion 5.0 Seatback3.6LargeCushion length is just righttoo longtoo shortOverall bolster shape providesgood support extremeno contactpenetrationSeatback insert stiffness is toosofttoo firmtoo softBite line contact is closetoo far too closeERL Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138, 11 12. 2008 Mid-size hatchback from JapanERL Score: 4.1Cushion 3.8SMALL Seatback3.4 Cushion length is too longtoo long too short Head restraint is too closetoo closetoo far Seatback contact at chest is too fartoo closetoo far Biteline is closetoo closetoo far ERL Patents: US #6,840,125, US#7,047,831, US#7,347,114, US #7,797,138,12 13. 2008 Mid-size hatchback from JapanERL Score: 4.7Cushion 4.8 Seatback4.4MEDIUMCushion length is just right too longtoo shortBolster shape at shoulderprovides some penetration extreme penetration no contact ERL Patents: US #6,840,125, US#7,047,831, US#7,347,114, US #7,797,138, 13 14. 2008 Mid-size hatchback from JapanERL Score: 3.2Cushion 2.1Seatback 3.3LARGE Cushion length is too shorttoo longtoo short Shoulder bolster provides too much penetrationtoo muchno contactpenetration Biteline is close too closetoo far Package requires additional rearward travel +forward +rearwardERL Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138,14 15. 2008 Mid-size hatchback from JapanERL Score: 3.8Cushion 2.1Seatback4.2 SMALL 2nd RowCushion provides too much thighpressure too muchno supportpressureMEDIUM MALEDRIVERERL Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138,15 16. 2008 Mid-size hatchback from JapanERL Score: 3.3Cushion 2.6 MEDIUM2nd RowSeatback 3.7Cushion provides little thighsupporttoo much no support pressureBolster shape at thigh providesno contact extreme penetration no contactERL Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138, 16 17. 2008 Mid-size hatchback from JapanERL Score: 2.5Cushion 2.4LARGE 2nd RowSeatback 4.1 Cushion provides no thigh support too muchno supportpressure Bolster shape at thigh provides no contact extreme penetration no contactERL Patents: US#6,840,125, US#7,047,831, US#7,347,114, US #7,797,138, 17 18. ERL Design ERL mathematically optimizes engineering design specifications of seat and controls package for alldrivers to comfortably operate the car.18 19. ERL Evaluation Effects of proposed changes during vehicle development measured andevaluated by comfort score from ERL. 19 20. ERL ExampleProduction versus ERLDesign Comfort Scores20 21. Small (5th %)ERL Score: 2.4 ERL Score: 4.0Cushion 2.7Cushion 4.0Seatback 3.2 Seatback 3.7Package 3.7Package 4.3 Evaluation of Seat Design for PackageProduction Seat 21 22. Medium (50th %)ERL Score: 4.0ERL Score: 4.7Cushion 2.7 Cushion 4.4Seatback 4.5Seatback 4.5Package 5.0 Package 5.0 Evaluation of Seat Design for PackageProduction Seat 22 23. Large (95th %)ERL Score: 3.4ERL Score: 4.5Cushion 1.6 Cushion 4.5Seatback 4.3Seatback 4.4Package 5.0 Package 4.4 Evaluation ofSeat Design for PackageProduction Seat23 24. VehicleMid MidCompact Small Sport Entry Prem.FSTSegmentUtility SedanX over Sedan Utility Sedan Utility ERL Comfort 4.34.54.23.94.4 4.5 4.3ScoreDriver Comfort4.04.14.13.6 3.9 4.5 3.9ScoreMath score calculated in ERL Software for virtual ERL drivers(5 pt scale).Drivers subjective rating average comfort score (5 pt scale).24 25. 5 4.8ERL Scores in 7 Vehicles 4.6 4.4 4.24ERL 3.8 3.6 r = 0.8ERL 3.4 3.23 3.4 3.6 3.8 4 4.24.4 4.6 Drivers Scores in 7 Vehicles25 26. Small Vehicle Mid Mid Compact Entry Prem. FST SportSegment Utility Sedan X over Utility Sedan Utility SedanJ D Power 4.54.3--- 4.34.14.54.4APEAL DriverComfort4.04.14.1 3.63.94.53.9 ScoreSurvey of drivers who purchased vehicle and returned survey(5 pt scale)Drivers subjective rating average comfort score (5 pt scale).26 27. 5JD Power Scores in 7 Vehicles4.84.64.44.2 r = 0.5 4JD Power3.83.6JD Power3.43.2 33.43.6 3.84 4.2 4.4 4.6Drivers Scores in 7 Vehicles 27 28. Small VehicleMid MidCompact Entry Prem. FST SportSegmentUtility SedanX over Utility Sedan Utility Sedan Consumer 444334 4Reports DriverComfort 4.0 4.14.13.6 3.94.5 3.9 ScoreSubjective Professional Drivers Rating Average Score (5 pt scale).Drivers subjective rating average comfort score (5 pt scale). 28 29. 5Consumer Report Scores in 4.8 4.6 4.47 Vehicles 4.2 Consumer Reports4 3.8 3.6 Linear (Consumer 3.4 3.2r = 0.7Reports)3 3.43.6 3.8 4 4.2 4.44.6 Drivers Scores in 7 Vehicles29 30. Small VehicleMid Mid Compact Entry Prem. FSTSportSegmentUtility Sedan X over Utility Sedan UtilitySedanERLComfort4.3 4.54.2 3.94.4 4.54.3 Score Small3.9 3.5 3.4 3.43.63.7 3.6 FemaleMedium4.5 4.6 4.4 4.04.64.8 4.5MaleLarge3.6 4.4 4.1 3.63.94.4 4.2 Male 30 31. Thanks foryour time!Comments & Inquiries Appreciated.reynolds@erlllc.com31