Patent ID: 8088036

Claim:
A vehicle drive control device comprising: a CVT mechanism that is capable of continuously varying a transmission gear ratio; a controller which controls operations of the CVT and an engine, wherein the controller includes a first control section which controls a torque of the CVT based on a target transmission input torque, and a second control section which controls a torque of the engine based on a target engine rotation speed; an input disk and an output disk biased toward each other; a roller disposed in a toroidal space defined between the input disk and the output disk for torque transmission between the input disk and the output disk; a carriage rotatably supporting the roller; and a hydraulic cylinder having first and second hydraulic chambers which generate a pressure difference to apply a force to the roller through the carriage for pushing and pulling the input disk and the output disk, wherein the first control section includes a demanded pressure difference setting section which determines a demanded pressure difference between the first and second hydraulic chambers to eliminate a difference between the target transmission input torque and an actual transmission input torque, further wherein the first control section further includes a target transmission input torque correcting section which corrects the target transmission input torque to eliminate the difference between the target transmission input torque and the actual transmission input torque, further wherein the demanded pressure difference setting section determines the demanded pressure difference based on a corrected transmission input torque applied from the target transmission input torque correcting section.