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    • 35. 发明公开
    • 무단 변속기의 변속비 제어 장치
    • 用于检测和补偿步进电机步进电机类型或转子连续可变变速器的速比控制装置
    • KR1020040028500A
    • 2004-04-03
    • KR1020030061619
    • 2003-09-04
    • 쟈트코 가부시키가이샤
    • 조자끼다떼끼이시이시게루와까하라다쯔오야마모또마사히로야마구찌미도리시마나까시게끼다나까히로야스
    • F16H9/00
    • F16H61/66259F16H61/12F16H2061/1208F16H2061/1288F16H2061/283Y10T477/6237Y10T477/624Y10T477/6242Y10T477/62423Y10T477/62427
    • PURPOSE: A speed ratio control device of a continuously variable transmission is provided to increase fuel efficiency by detecting and compensating step out of a step motor within the entire range of speed ratio, and to prevent wrong decision by detecting the normal state of the speed ratio accurately. CONSTITUTION: A speed ratio control device of a continuously variable transmission comprises an input rpm detecting unit detecting input rpm, an output rpm detecting unit detecting output rpm, an actual speed ratio calculating unit calculating the actual speed ratio from input rpm and output rpm, a step-out decision unit(S17b) deciding step out of a step motor if a variable(ASTP) indicating the step position of the step motor during the predetermined period is not equal to a step position of the step motor(BSTP) required to reach the desired speed ratio, a step-out compensation unit(S17d,S17f) correcting the ASTP to decrease the difference between the ASTP and the BSTP in deciding step out of the step motor, and a driving unit actuating the step motor according to the corrected ASTP.
    • 目的:提供一种无级变速器的变速比控制装置,通过在整个速度范围内检测和补偿步进电机的步进来提高燃油效率,并通过检测变速比的正常状态来防止错误的判定 准确。 构成:无级变速器的变速比控制装置包括检测输入转速的输入转速检测单元,检测输出转速的输出转速检测单元,实际变速比运算单元,根据输入转速和输出转速计算实际变速比,a 如果在预定时段期间指示步进电机的步进位置的变量(ASTP)不等于达到步进电机(BSTP)的步进位置,则步进电机的步进判定单元(S17b)决定步骤 所需速度比,步进电机判定步骤中校正ASTP以降低ASTP与BSTP之间的差异的步出补偿单元(S17d,S17f)以及根据校正的步进电机来驱动步进电动机的驱动单元 ASTP。