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    • 5. 发明公开
    • 차량용 자동변속기의 제어장치 및 제어방법
    • 用于车辆自动变速器的控制装置
    • KR1020030044883A
    • 2003-06-09
    • KR1020020075436
    • 2002-11-29
    • 도요타 지도샤(주)
    • 가또신지사또도시미쯔와따나베가즈유끼사까모또나오유끼아야베아쯔시기무라히로미찌호조야스오
    • F16H61/00
    • F16H61/061F16H59/72F16H2059/186F16H2061/0087F16H2061/0481F16H2061/0488F16H2061/0496F16H2306/44F16H2342/04Y02T10/76Y10T477/6933Y10T477/69383
    • PURPOSE: To prevent the shift shock in shifting gears from a driving gear stage where correction of learning is difficult to a non-driving gear stage effectively regardless of the individual difference or deterioration with age of a friction engaging device and its control system, etc. CONSTITUTION: The duty ratio DSL3A of the linear solenoid SL3 at the constant pressure standby time when a clutch C1 is released for shifting gears from the 'D' to the 'N' range is calculated according to the following expression using the reference duty ratio dsdn at the constant pressure standby time, a correction value dsdntmp for the AT oil temperature TOIL, a correction value dsnne for the engine rotation speed NE, and learning correction values gdndlrn and gdcstapl at the time of gear-shifting from the 'N' to the 'D' range for engaging the clutch C1 and at the time of coast down-shifting from the fourth to the third speed range respectively; DSL3A=dsdn+dsdntmp+-dsdnne+ Kxgdndlrn+(1-K)gdcstapl. In the expression, K is a coefficient and set as a prescribed value in the range 0≤K≤1.
    • 目的:为了防止由摩擦接合装置及其控制系统等造成的个别差异或随着年龄的变化而从驱动齿轮级移动齿轮的转换冲击,其中学习难度更大到非驱动齿轮级。 构成:根据以下的表达式,使用参考占空比dsdn来计算在离合器C1被释放以将齿轮从“D”移动到“N”范围时的恒定压力待机时的线性电磁阀SL3的占空比DSL3A 在恒定压力待机时间,AT油温TOIL的修正值dsdntmp,发动机转速NE的校正值dsnne,以及从'N'到变速时的学习校正值gdndlrn和gdcstapl 用于接合离合器C1和在分别从第四速度范围到第三速度范围的滑行时间段的“D”范围; DSL3A = dsdn + dsdntmp + -dsdnne + Kxgdndlrn +(1-K)gdcstapl。 在该表达式中,K是系数,并且设定为0≤K≤1范围内的规定值。