Figures index

From

Electronic Control of Fuel Mixture Preparation and Injection in Internal Combustion Engines

Roman Gogola, Arpád Kósa

American Journal of Mechanical Engineering. 2014, 2(7), 231-238 doi:10.12691/ajme-2-7-12
  • Figure 1. Schematic view of the Gasoline Direct Injection system [1]
  • Figure 2. Effect of the air excess coefficient λ on engine power Pe and specific fuel consumption mpe [1]
  • Figure 3. Engine management with On-Board Diagnostics (OBD) [5]: 1 - canister, 2 - fuel filter, 3 - valve for venting, 4 - pressure manifold, 5 - fuel injector with fuel tank, 6 - ignition coil and spark plug, 7 - crankshaft position sensor, 8 - pump air (secondary), 9 - secondary air valve, 10 - mass air meter, 11 - electronically controlled throttle, 12 - EGR valve, 13 - knock sensor, 14 - engine speed sensor, 15 - coolant temperature sensor, 16 - oxygen Sensor, 17 - control unit (ECU), 18 - interface for diagnostics, 19 - LED diagnostics, 20 - immobilizer, 21 - pressure sensor in the fuel tank 22 - fuel pump in the tank, 23 - position sensor and accelerator pedal module, 24 - battery
  • Figure 4. Physical model of the fuel injection process
  • Figure 5. Flowchart of the fuel injection effective time calculation [2]
  • Figure 6. Schematic illustration of the of engine ECU
  • Figure 7. The schematic view of the engine control model realized in the LES software environment [3]
  • Figure 8. Schematic view of the fuel injection control system model in the Matlab / Simulink software environment [4]
  • Figure 9. Matlab / Simulink ECU stateflow [4]
  • Figure 10. Full opening and closing angle, process time characteristics of the throttle rotation in LES
  • Figure 11. Full opening and 30° closing angle, process time characteristics of the throttle rotation in LES
  • Figure 12. Process time characteristics of the fuel injection at 2000 RPM, by full opening and closing angle process of the throttle in LES
  • Figure 13. Process time characteristics of fuel injection at 2000 RPM, by full opening and 30° closing angle process of the throttle in LES
  • Figure 14. Full opening and closing angle, process time characteristics of the throttle rotation in Matlab/Simulink
  • Figure 15. Full opening and 30° closing angle, process time characteristics of the throttle rotation in Matlab/Simulink
  • Figure 16. Process time characteristics of the fuel injection at 2000 RPM, by full opening and closing angle process of the throttle in Matlab/Simulink
  • Figure 17. Process time characteristics of fuel injection at 2000 RPM, by full opening and 30° closing angle process of the throttle in Matlab/Simulink