PROBLEM TO BE SOLVED: To provide a target drive controlled variable setting device capable of reflecting operation of an accelerator pedal by a driver to reduce deterioration in driveability, a vehicle travel system, and a target drive controlled variable setting method.;SOLUTION: In the target drive controlled variable setting method to set a target drive controlled variable serving as a parameter to control driving force applied to a vehicle: a pedal physical quantity based on the operation of the accelerator pedal by the driver is obtained; a driving force variation Δα based on the operation of the accelerator pedal is calculated based on the obtained pedal physical quantity (ST3, 4); a maintenance requirement driving force Fh, which is a drive controlled variable for maintaining a travel state physical quantity based on a vehicle traveling state to a predetermined value, is calculated regardless of the operation of the accelerator pedal by the driver; and based on the driving force variation Δα and the maintenance requirement driving force Fh, a target driving force Fo is calculated (ST5-10).;COPYRIGHT: (C)2010,JPO&INPIT
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