Presentatie paul van oorschot, tu

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  • Electric drivetrain / batteriesMotor12V Circuit-----clickImportant component IFM PLC, has 4 CAN-bus and 80 IOUsed to connect -----click
  • Presentatie paul van oorschot, tu

    1. 1. Software developmentinan electric vehicle:the TU/e Lupo ELir. Paul van OorschotMechanical Engineering, Dynamics and ControlOctober 3, 2011, Eindhoven<br />PAGE 1<br />
    2. 2. TU/e Lupo EL<br />picture + specs<br />PAGE 2<br />Donor vehicle: VW Lupo 3LVehicle mass: 1060 kg Battery capacity: 27 kWhTop speed: 130 km/h<br />Range: up to 200km, 170km@100km/h<br />0 – 100 km/h: 12 sec.4 seats<br />
    3. 3. Carrying energy in batteries<br />energy density<br />batteries<br /> weight: 273 kgvolume: 180 literscapacity: 27 kWh<br />equivalent fossil fuel: 10 L petrol (8 kg), 7 L diesel (6 kg)<br />energy flow<br />normal fuel pump: 40 L/minute<br />normal socket (Europe: 3.6 kW): approx. 1.5 L petrol/hour (1600x slower)<br />DC fast charging (50 kW, CHAdeMO): approx. 20 L petrol/hour (120x slower)<br />PAGE 3<br />
    4. 4. System overview<br />PAGE 4<br />Electric vehicle system diagram<br />Chassis 598 kg<br />ICE = 239 kg<br />Focus points:<br /><ul><li>Lightweight
    5. 5. Efficient
    6. 6. Flexiblecontrol
    7. 7. Extensivemeasurementabilities</li></li></ul><li>Packaging<br />PAGE 5<br /><ul><li>No interior space lost
    8. 8. Weight distribution improved</li></li></ul><li>Front compartment<br />PAGE 6<br />Aluminium mounting and battery box design<br />Controller<br />Charger<br />Inverter<br />DC-DC 12V<br />
    9. 9. IFM CR0232 PLC<br />80x IO ports<br />4x CAN bus<br />Electric system layout <br />PAGE 7<br />VW systems fully functional (CAN)<br />
    10. 10. PAGE 8<br />Controller<br />IFM CR2032, Industrial PLC<br /><ul><li>InfineonTriCore 1796, 32 bit CPU, 150 Mhz
    11. 11. 32 Inputs (analog/digital)
    12. 12. 48 Outputs (PWM, high/low side, currentcontrolled)
    13. 13. 4 CAN bus interfaces (2.0 A/B, up to 1Mbit/s)</li></ul>Software<br /><ul><li>CoDeSysv2.3 software development platform
    14. 14. IEC 61131-3 based, followinglanguagesavailable
    15. 15. Instruction list (IL)
    16. 16. Structuredtext (ST)
    17. 17. Ladder diagram (LD)
    18. 18. Functionblock diagram (FBD)
    19. 19. Sequentialfunctionchart (SFC)</li></li></ul><li>Control and safety features <br />PAGE 9<br />Door opened ?<br /><ul><li> Initialize safety systems
    20. 20. Isolation monitoring
    21. 21. Brake booster vacuum</li></ul>ABS active ? -> Disable regenerative braking<br />Airbags(crash) -> Disable systems and HV<br />
    22. 22. Data Aquisition <br />PAGE 10<br />Real-time logging via CAN bus<br />Extensive data on:<br /><ul><li>Energy flows
    23. 23. Battery condition
    24. 24. Vehicle dynamics</li></li></ul><li>PAGE 11<br />PLC cyclesetup<br />Inputsread, valuesdetermined<br /> > 50 CAN identifiers<br /> > 200 parameters stored in structs<br />Sequentialfunctionexecution<br /><ul><li>Functions in order of priority
    25. 25. Higherpriorityoverrides</li></ul>Outputstemporarilystored<br /><ul><li>Outputs sent at end of cycle</li></ul>Cycle time ≈ 7 ms<br />
    26. 26. PAGE 12<br />Traction<br />Enabletraction (start the vehicle)<br />Tractioncontrol<br />
    27. 27. PAGE 13<br />Regenerative braking<br />Regenerative braking control<br /><ul><li>Basedonbrake system pressure
    28. 28. Torquecontrolled (betterbrakeblending)</li></ul>Current limit<br />Brake pressure<br />
    29. 29. User interface <br />PAGE 14<br />Original VW console<br />Touchscreen computer<br /><ul><li>Energy flows to components
    30. 30. Measured data per component
    31. 31. Errors and warnings
    32. 32. Chargingcontrol</li></ul>Power (-30 to +50 kW)<br />Speed<br />Battery SOC<br />Energy consumption<br />Visual and audibleindication<br /><ul><li>Ready to drive
    33. 33. Tractionenabledwhile door open
    34. 34. System errors
    35. 35. HV disabled</li></li></ul><li>Thank you for your attention!<br />PAGE 15<br />

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