CN108119650A - 用于运行自动变速器控制部的方法 - Google Patents
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- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
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- F16H61/00—Control 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
- F16H61/02—Control 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 characterised by the signals used
- F16H61/0202—Control 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 characterised by the signals used the signals being electric
- F16H61/0204—Control 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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control 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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/70—Control 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 specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
- F16H61/702—Control 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 specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements using electric or electrohydraulic control means
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- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H2059/363—Rate of change of input shaft speed, e.g. of engine or motor shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H2059/366—Engine or motor speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16H61/00—Control 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
- F16H61/02—Control 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 characterised by the signals used
- F16H61/0202—Control 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 characterised by the signals used the signals being electric
- F16H61/0204—Control 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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control 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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
- F16H2061/0216—Calculation or estimation of post shift values for different gear ratios, e.g. by using engine performance tables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/166—Preventing or initiating shifts for preventing stall or overspeed of engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/48—Inputs being a function of acceleration
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Abstract
本发明涉及一种用于运行自动变速器控制部的方法,该自动变速器控制部用于车辆传动系的具有多个动力换档级的动力换档变速器(2)和具有多个同步换档级的同步变速器(4),其中,传动系含有驱动马达(1)、动力换档变速器(2)和同步变速器(4),该自动变速器控制部具有电子控制单元(6),通过该电子控制单元可操控同步变速器(4)的换档级以及动力换档变速器(2)的换档级的升档,并且可为该自动变速器控制部传送驱动马达(1)的马达负载的马达负载信号和驱动马达(1)的输出部的转速的转速信号。
Description
技术领域
本发明涉及一种用于运行自动变速器控制部的方法,该自动变速器控制部用于车辆传动系的具有多个动力换档级的动力换档变速器和具有多个同步换档级的同步变速器,其中,传动系包括驱动马达、动力换档变速器和同步变速器,该自动变速器控制部具有电子控制单元,通过该电子控制单元可操控同步变速器的换档级以及动力换档变速器的换档级的升档,并且可为该电子控制单元传送驱动马达的马达负载的马达负载信号、驱动马达的输出部的转速的转速信号。
背景技术
在用于运行自动变速器控制部的方法中,已知的是,在同步换档级可被变换之前,首先在所切换的同步换档级中对每个动力换档级进行切换。这导致必须切换许多动力换档级并且车辆加速相对缓慢且效率很低。
发明内容
因此,本发明的目的在于提供一种开头提及类型的用于运行自动变速器控制部的方法,其至少明显减少这些缺点、改善效率并且能够实现车辆的更快的加速。
根据本发明,该目的由此实现,即,
-在超过驱动马达的输出部的转速的预定的转速增加/转速梯度时,或
-在超过驱动马达的输出部的预定的转速并且马达负载超过低于马达满载的预定的马达负载时,
同步变速器可升档一个或多个同步换档级,并且,
-在低于驱动马达的输出部的转速的预定的转速增加/转速梯度的情况下,或
-在低于驱动马达的输出部的预定的转速并且在马达负载低于小于马达满载的预定的马达负载的情况下,并且在达到驱动马达的输出部的转速的可预定的转速阈限时,
动力换档变速器可升档一个或多个动力换档级。
通过该方法,基于马达负载判定是否必须切换同步变速器的换档级,或者是否必须切换动力换档变速器的全部换档级。因此可根据马达负载直接切换同步变速器的换档级,由此车辆可更快地加速并且不必切换动力换档变速器的全部换档级。
电子控制单元在车辆的自动模式中在自动换档之前检查驱动马达的马达负载、在驱动马达的输出部处的转速和驱动马达的转速的增加,并且判定是否应切换同步变速器的换档级,或者是否应切换动力换档变速器的全部换档级。如果马达负载很高,则在紧接着自动换档时切换动力换档变速器的换档级,因为切换同步变速器的换档级意味着对于驱动马达来说的过高的负荷。如果马达负载很低,切换同步变速器的换档级,因为驱动马达尚未充分利用其极限并且还在同步变速器的下一个的换档级中留有储备。
在驱动马达的输出部处的预定的转速优选地大于1900U/min,尤其在大于2050U/min的范围中。
预定的马达负载优选地大于满载的65%,尤其在满载的75%的范围中。
驱动马达的输出部的转速的可预定的转速阈限可大于1300U/min,并且优选地在1400U/min和2100U/min之间。
为了改变转速阈限,可将可预定的转速阈限手动地输入控制单元,为此可尤其借助于输入单元将可预定的转速阈限输入控制单元。
要理解的是,这些值取决于驱动马达的类型并且还可与提到的值有偏差。
附图说明
在附图中示出了本发明的实施例并且在下文中对其进行详细阐述。其中:
图1示出了用于车辆传动系的具有多个动力换档级的动力换档变速器和具有多个同步换档级的同步变速器的自动变速器控制部的框图;
图2示出了用于运行根据图1的自动变速器控制部的方法的流程图,该自动变速器控制部用于车辆传动系的具有多个动力换档级的动力换档变速器和具有多个同步换档级的同步变速器。
具体实施方式
在图1中示出的自动变速器控制部示出了车辆的驱动马达1,通过该驱动马达能够可转动地驱动动力换档变速器2。动力换档变速器2经由离合器3驱动同步变速器4,该同步变速器又可转动地驱动车辆的后轮轴12。
动力换档变速器2具有动力换档级1、2、3、4、5和6。同步变速器4具有同步换档级A、B、C、D和E。
通过第一信号线路5为电子控制单元6传送驱动马达1的马达负载的马达负载信号。
控制单元6通过第二信号线路7获得在驱动马达1的输出部处的转速的转速信号。
为了手动输入驱动马达1的输出部的转速的转速阈限,存在输入单元10,输入线路11从输入单元引导至控制单元6。
根据评估通过信号线路5和7以及通过输入线路11传送给控制单元6的信号,由控制单元6通过第一操控线路8操控用于切换动力换档级的动力换档变速器2或用于切换同步换档级的同步变速器4。
如果相应由于马达负载应切换同步变速器4的换档级或动力换档变速器2的换档级,在图2中示出的流程图示出了用于运行根据图1的自动变速器控制部的方法。
在第一步骤13中,在同步换档级“A”和动力换档级“1”中进行起动。
在第二步骤14中,判定是否满足同步变速器4的自动换档的条件。
如果在输出部15处确定不是这种情况,则在第三步骤16中将动力换档变速器2从动力换档级“1”切换到动力换档级“2”,而维持同步换档级“A”。
在第四步骤17中再次判定是否满足同步变速器4的自动换档的条件。
如果在输出部18处确定不是这种情况,则在第五步骤19中将动力换档变速器2从动力换档级“2”切换到动力换档级“3”,而维持同步换档级“A”。
如果由于马达负载需继续切换同步变速器4的换档级或动力换档变速器2的换档级,如上文所述那样进行判定。
如果由于马达负载无需切换同步变速器4的换档级并且无需切换动力换档变速器2的换档级,动力换档变速器2和同步变速器4停留在其换档级中。
如果在第四步骤17的输出部20处确定满足同步变速器4的自动换档的条件,在第六步骤21中,将同步变速器4切换到同步换档级“B”,并且将动力换档变速器2切换到动力换档级“1”。
如果由于马达负载无需切换同步变速器4的换档级并且无需切换动力换档变速器2的换档级,动力换档变速器2和同步变速器4在步骤21之后停留在其换档级中。
如果在第二步骤14的输出部22处确定满足同步变速器4的自动换档的条件,在第七步骤23中将同步变速器4切换到同步换档级“B”,并且将动力换档变速器2切换到动力换档级“1”。
在第八步骤24中再次判定是否满足同步变速器4的自动换档的条件。
如果在输出部25处确定不是这种情况,则在步骤26中将动力换档变速器2从动力换档级“1”切换到动力换档级“2”,而维持同步换档级“B”。
如果由于马达负载无需切换同步变速器4的换档级并且无需切换动力换档变速器2的换档级,动力换档变速器2和同步变速器4在步骤26之后停留在其换档级中。
如果在第八步骤24的输出部27处确定满足同步变速器4的自动换档的条件,在第十步骤28中将同步变速器4切换到同步换档级“C”,并且将动力换档变速器2切换到动力换档级“1”。
在第十一步骤29中再次判定是否满足同步变速器4的自动换档的条件。
如果在输出部30处确定不是这种情况,则在第十二步骤31中将动力换档变速器2从动力换档级“1”切换到动力换档级“2”,而维持同步换档级“C”。
如果由于马达负载无需切换同步变速器4的换档级并且无需切换动力换档变速器2的换档级,动力换档变速器2和同步变速器4在步骤31之后停留在其换档级中。
如果在第八步骤24的输出部32处确定满足同步变速器4的自动换档的条件,在第十三步骤33中将同步变速器4切换到同步换档级“D”,并且将动力换档变速器2切换到动力换档级“1”。
如果由于马达负载无需切换同步变速器4的换档级并且无需切换动力换档变速器2的换档级,动力换档变速器2和同步变速器4在第十三步骤33之后停留在其换档级中。
附图标记列表
1 驱动马达
2 动力换档变速器
3 离合器
4 同步变速器
5 第一信号线路
6 控制单元
7 第二信号线路
8 第一操控线路
9 第二操控线路
10 输入单元
11 输入线路
12 后桥
13 第一步骤
14 第二步骤
15 输出部
16 第三步骤
17 第四步骤
18 输出部
19 第五步骤
20 输出部
21 第六步骤
22 输出部
23 第七步骤
24 第八步骤
25 输出部
26 第九步骤
27 输出部
28 第十步骤
29 第十一步骤
30 输出部
31 第十二步骤
32 输出部
33 第十三步骤
Claims (8)
1.一种用于运行自动变速器控制部的方法,该自动变速器控制部用于车辆传动系的具有多个动力换档级的动力换档变速器(2)和具有多个同步换档级的同步变速器(4),其中,所述传动系包括驱动马达(1)、动力换档变速器(2)和同步变速器(4),该自动变速器控制部具有电子控制单元(6),通过该电子控制单元能操控所述同步变速器(4)的换档级以及所述动力换档变速器(2)的换档级的升档,并且能为该电子控制单元传送所述驱动马达(1)的马达负载的马达负载信号和所述驱动马达(1)的输出部的转速的转速信号,其特征在于,
-在超过所述驱动马达(1)的输出部的转速的预定的转速增加/转速梯度时,或
-在超过所述驱动马达(1)的输出部的预定的转速并且马达负载超过小于马达满载的预定的马达负载时,
所述同步变速器(4)能够升档一个或多个同步换档级,
并且,其中
-在低于所述驱动马达(1)的输出部的转速的预定的转速增加/转速梯度的情况下,或
-在低于所述驱动马达(1)的输出部的预定的转速并且马达负载低于小于马达满载的预定的马达负载的情况下,并且在达到所述驱动马达(1)的输出部的转速的能预定的转速阈限的情况下,
所述动力换档变速器(2)能够升档一个或多个动力换档级。
2.根据权利要求1所述的方法,其特征在于,在所述驱动马达(1)的输出部处的预定的转速大于1900U/min。
3.根据权利要求2所述的方法,其特征在于,在所述驱动马达(1)的输出部处的预定的转速为2050U/min。
4.根据上述权利要求中任一项所述的方法,其特征在于,所述预定的马达负载大于满载的65%。
5.根据权利要求4所述的方法,其特征在于,所述预定的马达负载为满载的75%。
6.根据权利要求1所述的方法,其特征在于,所述驱动马达(1)的输出部的转速的能预定的转速阈限大于1300U/min。
7.根据权利要求6所述的方法,其特征在于,所述驱动马达(1)的输出部的转速的能预定的转速阈限在1400U/min和2100U/min之间。
8.根据权利要求6和7中任一项所述的方法,其特征在于,所述能预定的转速阈限能手动地输入给控制单元。
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DE102013110709A1 (de) * | 2013-09-27 | 2015-04-02 | CLAAS Tractor S.A.S | Schaltgetriebeanordnung |
WO2016165891A1 (de) * | 2015-04-16 | 2016-10-20 | Zf Friedrichshafen Ag | Volllastschaltbare getriebeanordnung und landwirtschaftliche arbeitsmaschine |
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US9689490B2 (en) * | 2015-06-01 | 2017-06-27 | Caterpillar Inc. | Method of optimized gear selection on high speed directional shifts |
US20170174219A1 (en) * | 2015-12-18 | 2017-06-22 | Cnh Industrial America Llc | Auto-efficiency mode for power shift transmissions |
US10087861B2 (en) * | 2016-01-11 | 2018-10-02 | Cnh Industrial America Llc | Engine speed secondary anti-windup PID controller for an automotive productivity manager |
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Patent Citations (5)
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DE4411114A1 (de) * | 1994-03-30 | 1995-10-05 | Zahnradfabrik Friedrichshafen | Getriebe, insbesondere für ein Kraftfahrzeug |
EP0911553A1 (de) * | 1997-10-25 | 1999-04-28 | Deere & Company | Getriebesteuerung und Steuerverfahren für ein Lastschaltgetriebe |
CN102057187A (zh) * | 2008-06-09 | 2011-05-11 | Zf腓德烈斯哈芬股份公司 | 汽车的多挡组变速器 |
DE102013110709A1 (de) * | 2013-09-27 | 2015-04-02 | CLAAS Tractor S.A.S | Schaltgetriebeanordnung |
WO2016165891A1 (de) * | 2015-04-16 | 2016-10-20 | Zf Friedrichshafen Ag | Volllastschaltbare getriebeanordnung und landwirtschaftliche arbeitsmaschine |
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US10267413B2 (en) | 2019-04-23 |
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