Patent ID: 7812468

Claim:
A control system for a vehicle having an engine for producing an output torque, a battery for supplying electric power to an electric load, and a power generator driven by the output torque for generating electric power to charge the battery, the control system comprising: an engine control means; a generator control means for controlling the power generator to generate an electric power corresponding to a command power, a required torque calculation means for calculating a required torque required to generate a required power by the power generator; a permissive torque calculation means for controlling the engine to produce the required torque and for calculating a permissive torque permitted to be used by the power generator to generate a permissive power in accordance with a response delay of the engine, wherein the generator control means calculates the command power so that a battery voltage variation and an engine speed variation are suppressed to be less than an allowable battery voltage variation limit and an allowable engine speed variation limit, respectively, when a power difference is caused between the required power and the permissive power.