BRIEF DESCRIPTION OF THE DRAWINGS
The description herein makes reference to the accompanying drawings wherein like reference numerals refer to like parts throughout the several views, and wherein:
FIG. 1 is a system diagram illustrating a rear-wheel-drive hybrid vehicle including a braking-force-distribution control apparatus according to a first embodiment of the invention;
FIG. 2 is a control block diagram illustrating a calculation processing system of an integrated controller according to the first embodiment;
FIG. 3 illustrates an example of a target-driving-force map used by a target-driving-force calculator shown in FIG. 2 for calculating a target driving force;
FIG. 4 illustrates an example of a target-mode map used by a mode selector shown in FIG. 2 for selecting a target mode;
FIG. 5 illustrates an example of a target charge/discharge power map used by a target charge/discharge calculator shown in FIG. 2 for calculating target charge/discharge power;
FIG. 6 is a flowchart of a calculation process carried out by an operating-point command unit shown in FIG. 2 for determining an operating point;
FIG. 7 illustrates an example of a shift map used in a step of calculating a target shift position in the calculation process shown in FIG. 6;
FIG. 8 illustrates an example of a map of maximum engine torque versus engine speed that is used in a step of calculating a target engine torque in the calculation process shown in FIG. 6;
FIG. 9 is a flowchart of a process carried out by the integrated controller according to the first embodiment for controlling a braking-force distribution in a vehicle collision;
FIG. 10 is a time chart showing the characteristics of a vehicle speed, a collision prediction flag, a regenerative brake, a mechanical brake and a high-voltage circuit obtained by the hybrid vehicle including the braking-force-distribution control apparatus according to the first embodiment when the time to collision can be estimated and an operation of changing the braking-force distribution is finished before collision; and
FIG. 11 is a schematic diagram illustrating a drive system of another example of a rear-wheel-drive hybrid vehicle to which embodiments of the braking-force-distribution control apparatus can be applied.
Patent Application
20070228822
