VEHICULAR LUBRICANT OIL AMOUNT CONTROL DEVICE AND VEHICULAR LUBRICANT OIL AMOUNT CONTROL METHOD

摘要

PROBLEM TO BE SOLVED: To perform the most-appropriate control of supplying lubricant oil to a gear in response to a vehicle state.;SOLUTION: A vehicular control device 200 comprises a subtraction part 212 for calculating a theoretical driving force of a vehicle in response to a driving force requested by a driver; a driving force calculating part 216 for calculating a practical driving force of a vehicle in response to a longitudinal acceleration; a driving force comparing and calculating part 218 for calculating a loss load caused by gear lubrication of lubricant oil in reference to a difference between the requested driving force and the theoretical driving force; a lubricant oil amount rate estimating part 236 for estimating a lubricant oil supply amount supplied to the gear based on the loss load; a gear oil amount calculation part 238 for calculating a requisite lubricant oil amount required for lubricating the gear on the basis of a gear speed and a load obtained from a gear torque; and a gear oil amount adjustment and calculation part 240 for calculating an adjustment for oil amount supplied to the gear on the basis of a lubricant oil supply amount and a requisite lubricant oil amount.;SELECTED DRAWING: Figure 4;COPYRIGHT: (C)2018,JPO&INPIT