CN102203470A - 用于控制液力变矩器的锁止离合器的方法 - Google Patents

用于控制液力变矩器的锁止离合器的方法 Download PDF

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Publication number
CN102203470A
CN102203470A CN2009801420445A CN200980142044A CN102203470A CN 102203470 A CN102203470 A CN 102203470A CN 2009801420445 A CN2009801420445 A CN 2009801420445A CN 200980142044 A CN200980142044 A CN 200980142044A CN 102203470 A CN102203470 A CN 102203470A
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Prior art keywords
clutch
lock
engagement
speed changer
torque converter
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CN2009801420445A
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CN102203470B (zh
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汉斯·豪夫勒
托马斯·库尔茨
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/14Control of torque converter lock-up clutches
    • F16H61/143Control of torque converter lock-up clutches using electric control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14Inputs being a function of torque or torque demand
    • F16H2059/148Transmission output torque, e.g. measured or estimated torque at output drive shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36Inputs being a function of speed
    • F16H59/38Inputs being a function of speed of gearing elements
    • F16H2059/385Turbine speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14Inputs being a function of torque or torque demand
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20012Multiple controlled elements
    • Y10T74/20018Transmission control
    • Y10T74/20024Fluid actuator

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)

Abstract

当驱动马达在部分负荷范围中运行时,将液力变矩器的锁止离合器在后接配的变速器换挡时保持向着分离方向操作,并且当驱动马达在全负荷范围中运行期间,将液力变矩器的锁止离合器在后接配的变速器的换挡期间保持向着接合方向操作。

Description

用于控制液力变矩器的锁止离合器的方法
技术领域
本发明涉及一种符合在权利要求1前序部分中详细限定的类型的、用于控制液力变矩器的锁止离合器的方法。
背景技术
液力变矩器中的锁止离合器应用于将液力变矩器的输入轴与该液力变矩器的输出轴直接连接,由此,发生从驱动马达至后接变速器的直接的直通驱动,并能改善整个系统的效率。
DE 4030811 A1公开了一种用于控制液力变矩器的锁止离合器的方法,以如下方式控制该锁止离合器,即,依赖于马达负荷的变化将锁止离合器带入到打滑状态中,其中,调设一个规定的打滑度。
发明内容
本发明基于以下任务,即,提出一种用于控制液力变矩器的锁止离合器的方法,在该方法中,车辆的特别是例如轮式装载机的作业机械的行驶性能得到进一步改善。
该任务利用同样具有主权利要求特征部分特征的此类用于控制液力变矩器的锁止离合器的方法来解决。
按照本发明,测定变速器的挂入的档位、变速器输入扭矩和该液力变矩器的涡轮转速,并依赖于这些参数将锁止离合器向着接合方向操作。如果该驱动马达(例如内燃机)处在全负荷运行中,则当液力变矩器的涡轮上的扭矩在锁止离合器接合和锁止离合器分离的情况下大小相等时,将液力变矩器的锁止离合器向着接合方向操作。由此,使锁止离合器在到下个档位的换高档过程之前接合,进而在这个换挡过程期间将该锁止离合器向着接合方向操作,并且使该锁止离合器在到下个档位的换低档中同样保持接合。
当驱动马达在部分负荷运行中运行时,使锁止离合器只有在涡轮转速明显较高的转速情况下才进行接合,由此,在驱动马达的部分负荷范围中的换挡在向着分离方向操作的锁止离合器下实现。由此,在驱动马达的部分负荷范围中到下个较高档位或者到下个较低档位的换挡过程在分离的锁止离合器下进行。在到下个较高档位中的换挡过程结束之后,如果该处存在规定的接合条件,则锁止离合器接合。
如果用于操作该锁止离合器的切换点仅由液力变矩器的涡轮和泵轮之间的转速差来测得,则行驶性能、特别是在如轮式装载机的作业机械中的行驶性能在行驶速度在12km/h范围内的较低档位中明显向车辆在较高档位的运行中的行驶性能改变。
通过按照本发明的方法,使作业机械在较低档位中运行时的行驶性能与该作业机械在较高档位中运行时的行驶性能相一致。
在本发明另一设计方式中,对于每个档位都给出一个单独的特性曲线,用于调设换挡阈值,在这些换挡阈值中,规定变速器输入扭矩和涡轮转速,以便在每个档位中调设用于使锁止离合器接合的最佳切换点。

Claims (6)

1.用于控制带有涡轮的液力变矩器的锁止离合器的方法,所述液力变矩器将驱动马达与带有至少两个能切换的档位的变速器相连接,其中,所述锁止离合器能向着接合方向操作并且由此使所述液力变矩器的输入轴与所述液力变矩器的输出轴直接连接,且所述锁止离合器能向着分离方向操作并且由此使所述连接分开,其特征在于,测定涡轮转速、所述变速器的输入扭矩和挂入的档位,并依赖于所述变速器的扭矩、所述涡轮转速和所述变速器的挂入的档位将所述锁止离合器向着接合方向操作。
2.按权利要求1所述的用于控制锁止离合器的方法,其特征在于,当所述驱动马达在部分负荷范围中运行时,只有当涡轮转速比所述驱动马达处在全负荷时将所述锁止离合器向着接合方向操作时的涡轮转速更高时,才将所述锁止离合器向着接合方向操作。
3.按权利要求1所述的用于控制锁止离合器的方法,其特征在于,在所述变速器到另一档位的换挡中,当所述驱动马达在部分负荷范围运行期间,将所述锁止离合器向着分离方向操作。
4.按权利要求1所述的用于控制锁止离合器的方法,其特征在于,在所述变速器到另一档位的换挡中,当所述驱动马达在全负荷范围运行期间,将所述锁止离合器向着接合方向操作。
5.按权利要求1所述的用于控制锁止离合器的方法,其特征在于,在所述变速器多于两个档位时,对于每个档位规定将所述锁止离合器向着接合方向操作时的变速器的扭矩和涡轮转速。
6.按权利要求1所述的用于控制锁止离合器的方法,其特征在于,在所述驱动马达在全负荷下运行时,当涡轮的扭矩在向着接合方向操作的锁止离合器的情况下和在向着分离方向操作的锁止离合器的情况下接近大小相等时,将所述锁止离合器向着接合方向操作。
CN2009801420445A 2008-10-23 2009-09-29 用于控制液力变矩器的锁止离合器的方法 Expired - Fee Related CN102203470B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008043110.9 2008-10-23
DE1020080431109 2008-10-23
DE102008043110A DE102008043110A1 (de) 2008-10-23 2008-10-23 Verfahren zur Ansteuerung einer Überbrückungskupplung eines hydrodynamischen Drehmomentwandlers
PCT/EP2009/062592 WO2010046204A1 (de) 2008-10-23 2009-09-29 Verfahren zur ansteuerung einer überbrückungskupplung eines hydrodynamischen drehmomentwandlers

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EP (1) EP2350499B1 (zh)
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DE (1) DE102008043110A1 (zh)
WO (1) WO2010046204A1 (zh)

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CN107605607A (zh) * 2017-09-15 2018-01-19 北理慧动(常熟)车辆科技有限公司 发动机控制方法及装置

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CN107605607A (zh) * 2017-09-15 2018-01-19 北理慧动(常熟)车辆科技有限公司 发动机控制方法及装置

Also Published As

Publication number Publication date
CN102203470B (zh) 2013-10-30
WO2010046204A1 (de) 2010-04-29
EP2350499A1 (de) 2011-08-03
US8491443B2 (en) 2013-07-23
US20110197696A1 (en) 2011-08-18
EP2350499B1 (de) 2013-03-20
DE102008043110A1 (de) 2010-04-29

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Granted publication date: 20131030

Termination date: 20200929