BRIEF DESCRIPTION OF THE DRAWINGS
The above and other objects, features and advantages of the present invention will become more apparent from the following description made with reference to the accompanying drawings. In the drawings:
FIG. 1 is a schematic diagram of a vehicle system in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an auxiliary motive power block;
FIG. 3 is a block diagram of a control system of the vehicle system;
FIG. 4 is a conceptual diagram of energy consumption in the vehicle system;
FIG. 5 is a function block diagram for the calculation of fuel consumption in the vehicle;
FIG. 6 is a block diagram of an engine efficiency calculation block;
FIG. 7 is a block diagram of a motor-generator efficiency calculation block;
FIG. 8 is a block diagram of a battery efficiency calculation block;
FIG. 9 is a required acceleration data map;
FIG. 10 is an engine efficiency data map;
FIG. 11 is a motor-generator efficiency data map;
FIG. 12 is an alternator efficiency data map;
FIG. 13 is a flowchart of a routine for calculating fuel consumption in the vehicle;
FIG. 14 is a flowchart of a routine for calculating engine fuel consumption;
FIG. 15 is a flowchart of a routine for calculating generator-motor fuel consumption;
FIG. 16 is a flowchart of a routine for calculating battery efficiency; and
FIG. 17 is a flowchart of a routine for calculating front and rear command torques.