CN101868371B - 用于传送额定值和/或额定动力总成系统状态的方法 - Google Patents

用于传送额定值和/或额定动力总成系统状态的方法 Download PDF

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CN101868371B
CN101868371B CN2008801171378A CN200880117137A CN101868371B CN 101868371 B CN101868371 B CN 101868371B CN 2008801171378 A CN2008801171378 A CN 2008801171378A CN 200880117137 A CN200880117137 A CN 200880117137A CN 101868371 B CN101868371 B CN 101868371B
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J·卡尔滕巴赫
N·阿曼
C·米特尔贝格尔
S·布拉特纳
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    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0666—Engine torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract

本发明涉及一种在混合动力车辆、特别是并联式混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，该混合动力车辆包括被划分为至少两个功能层的混合动力控制装置，其中一个层构成为策略层，第二层构成为操作层，在该方法中，在第一步骤将期望的动力总成系统状态从策略层传递到操作层中，接着将经过检验并作为目标被接受的动力总成系统状态从操作层传递到策略层中，在下一个步骤中，将在转变或转换为目标状态后瞬时有效的动力总成系统状态从操作层传递到策略层中，并且接着在策略层中计算新状态的连续参数的额定值并将其传递到操作层中。

Description

用于传送额定值和/或额定动力总成系统状态的方法
本发明涉及一种在混合动力车辆特别是并联式混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法。
从现有技术公知包括混合动力变速器的混合动力车辆。除内燃机外，它们还额外地包括至少一个电动机或电机。在串联式混合动力车辆中，发电机被内燃机驱动，发电机向驱动车轮的电动机供给电能。此外公知并联式混合动力车辆，在并联式混合动力车辆中进行内燃机的转矩以及至少一个可与内燃机连接的电机的转矩的相加。在这里电机可以与皮带传动装置或内燃机的曲轴相连。由内燃机和/或所述至少一个电机产生的转矩通过一个下游的变速器传递到被驱动的轴上。
从DE 102005044268A1已知一种用于控制或调节混合动力车辆中的能量储存器或能量流的载荷状态的方法，在该方法的范围内载荷状态或能量流根据能量消耗或排放的成本函数被控制或调节。在实施该方法时特别要考虑来自能量储存器的电能的成本，来自内燃机的电能的成本以及来自能量储存器和内燃机的机械能的成本，通过使用一系列的能量成本矢量求得内燃机和电动机的额定转矩。
此外从现有技术已知一些混合动力车辆，它们具有划分为至少两个功能层的混合动力控制装置，其中一个层(策略层)包括策略功能或关于状态和连续参数的准静态的规定值，而第二层(操作层)包括操作功能或者动态过渡。
划分为至少两个功能层可以由于不同的原因而进行。例如可以为了更好的软件结构化或者为了实现供应商(操作功能)和OEM即原始设备制造商(策略功能)之间的所谓的“软件共享”。
在这里可能出现这样的问题，即由策略层预先确定的额定值与操作层的状态不匹配。操作功能用于不同状态之间的过渡，当在不同的状态间过渡时，来自策略的额定值向操作功能的转换必须进行。当这在错误的时刻发生时，操作功能还不能转化由策略层预先确定的额定值。
这例如可以是如下情况：内燃机还没有接上，并且策略层要求借助于内燃机将转矩导入动力总成系统。此外也可能出现这种情况，即预先确定的额定值不是恒定的，这将不利地引起操作层中的功能失效。
本发明的任务在于，建议一种在混合动力车辆、特别是并联式混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，所述混合动力车辆包括被划分为至少两个功能层的混合动力控制装置，其中一个层构成为策略层，所述策略层包含策略功能并产生规定值，第二层构成为操作层，该操作层包含转变策略层的规定值的操作功能，通过实施该方法形成相容的系统。离散的规定值或状态以及连续参数的传递时刻特别应当例如由转矩这样确定，即任何事后都存在相容的系统。
该任务通过本发明的方法解决。
因此在混合动力车辆、特别是并联式混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法中，该混合动力车辆包括被划分为至少两个功能层的混合动力控制装置，其中一个层构成为策略层，第二层构成为操作层，建议：在第一步骤将期望的动力总成系统状态从策略层传递到操作层中，接着将经过检验并作为目标被接受的动力总成系统状态从操作层传递到策略层中。在下一个步骤中，将在转变或转换为目标状态后瞬时有效的动力总成系统状态从操作层传递到策略层中，接着在策略层中计算新状态的连续参数的额定值并将其传递到操作层中。
优选在最后的步骤中，额定值起作用的状态也被一同发送，从而连续的额定值例如内燃机转矩和/或电机转矩发生阶跃变化的问题点由此被缓和。
通过依据本发明的构思，在操作控制和策略之间的相关性被降低，因为瞬时有效的动力总成系统状态被操作层求得，该信息被策略层仅用于计算和预先确定额定值。
此外由操作层确定，何时应当进行向新的动力总成系统状态的转换，由策略层产生的额定值仅被传递到操作层上。因为操作层确定，从何时起可以进行状态改变，为此可以使用尽可能快的时刻。
依据本发明，当还没有达到目标动力总成系统状态时，在操作层中也可以进行向目标动力总成系统状态的转变。例如当依据策略层的规定应当从“电力行驶”状态过渡到“混合动力行驶”状态时，可以由操作层在起动内燃机时在线路中向策略层将“混合动力行驶”状态报告为瞬时有效的动力总成系统状态(在这里变速器被切换到空挡并且内燃机还没有起动)。
有利的是，通过瞬时有效的动力总成系统状态从操作层到策略层的传递不控制策略中的过渡。
在实施依据本发明的方法时，策略层和操作层之间的传递中的延迟以有利的方式不引起系统相容性方面的问题。这样的延迟可以例如在进行不同控制器之间的传递时产生。

Claims (9)

1.在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，该混合动力车辆包括被划分为至少两个功能层的混合动力控制装置，其中一个层构成为策略层，第二层构成为操作层，其特征在于：在第一步骤将期望的动力总成系统状态从策略层传递到操作层中，接着将经过检验并作为目标被接受的动力总成系统状态从操作层传递到策略层中，在下一个步骤中，将在转变或转换为目标状态后瞬时有效的动力总成系统状态从操作层传递到策略层中，并且接着在策略层中计算新状态的连续参数的额定值并将其传递到操作层中。
2.按权利要求1所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：在最后的步骤中也将额定值起作用的状态一同发送到操作层。
3.按权利要求1所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：瞬时有效的动力总成系统状态由操作层求得，该信息被策略层仅用于计算和预先确定额定值。
4.按权利要求2所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：瞬时有效的动力总成系统状态由操作层求得，该信息被策略层仅用于计算和预先确定额定值。
5.按权利要求1至4中任一项所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：由操作层确定，何时应当进行向新的动力总成系统状态的转换。
6.按权利要求5所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：对于状态转变采用尽可能快的时刻。
7.按权利要求1至4中任一项所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：在还没有达到目标动力总成系统状态时，在操作层中也能进行向目标动力总成系统状态的转变。
8.按权利要求5所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：在还没有达到目标动力总成系统状态时，在操作层中也能进行向目标动力总成系统状态的转变。
9.按权利要求6所述的在混合动力车辆中用于传送操作功能的策略的额定值和/或额定动力总成系统状态的方法，其特征在于：在还没有达到目标动力总成系统状态时，在操作层中也能进行向目标动力总成系统状态的转变。
CN2008801171378A 2007-11-20 2008-10-22 用于传送额定值和/或额定动力总成系统状态的方法 Expired - Fee Related CN101868371B (zh)

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