CN104724109A - 用于控制混合动力车辆驱动的方法 - Google Patents

用于控制混合动力车辆驱动的方法 Download PDF

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CN104724109A
CN104724109A CN201410279703.2A CN201410279703A CN104724109A CN 104724109 A CN104724109 A CN 104724109A CN 201410279703 A CN201410279703 A CN 201410279703A CN 104724109 A CN104724109 A CN 104724109A
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motor
rotating speed
engine
controlling
gear
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CN104724109B (zh
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尹永珉
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Hyundai Motor Co
Kia Corp
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    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—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
    • 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
    • B60K6/48—Parallel type
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • 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
    • 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
    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—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
    • 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
    • B60K6/48—Parallel type
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • 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
    • 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
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/24—Energy storage means
    • B60W2510/242—Energy storage means for electrical energy
    • B60W2510/244—Charge state
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S903/00—Hybrid electric vehicles, HEVS
    • Y10S903/902—Prime movers comprising electrical and internal combustion motors
    • Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
    • Y10S903/93—Conjoint control of different elements

Abstract

本发明涉及一种用于控制混合动力车辆驱动的方法，其中马达可选择性地连接于变速箱侧，该方法能够包括：在电动车辆(EV)模式下测量马达的转速，当马达的转速可能小于参考速度时，通过对连接于变速箱侧的离合器执行滑动控制而增加马达的转速，在将EV模式切换到混合动力电动车辆(HEV)模式时，启动发动机，以及当马达的转速可能增加至达到发动机转速时接合置于马达和发动机之间的发动机离合器。

Description

用于控制混合动力车辆驱动的方法
技术领域
本发明涉及一种用于控制车辆驱动的方法，特别涉及一种用于控制混合动力车辆驱动的方法，其能够在蓄电池充电状态(SOC)不足时控制车辆的启动而不妨碍车辆的动力性能。
背景技术
在混合动力车辆中，并行式结构依照马达的安装位置被分类为飞轮安装电动装置(FMED)类型和变速箱安装电动装置(TMED)类型。
图1示出了根据相关技术的TMED类型的混合动力系统，其中马达安装于变速箱侧，因此能够仅通过马达的转矩执行能够驱动车辆的电动车辆(EV)模式。
在以上EV模式中，在车辆启动时或者是低速行驶区间时车辆仅通过马达动力被驱动。在这种情况下，安装于发动机和马达之间的发动机离合器被断开且因此马达的转矩传递到车轮以驱动车辆。
进一步地，混合动力电动车辆(HEV)模式中，发动机动力和马达动力被输送到一起以驱动车辆。在这种情况下，为了防止车辆驱动中将EV模式切换到HEV模式时发动机动力连接的时刻发生的巨大震动，在发动机启动后发动机和马达的RPM相互同步然后发动机离合器连接上，以控制马达和发动机平稳地相互连接。
然而，在EV模式中的车辆启动时，当蓄电池充电状态(SOC)很低时，马达的转速比发动机的怠速低很多，而使得在切换至HEV模式时，发动机的RPM不能够平稳地与马达的RPM同步。
然而，根据上述方法，在蓄电池充电状态的残余量不足时，车辆的启动控制不能够平稳地执行。
业已提供的作为相关技术描述的内容仅仅是为了帮助对本发明背景技术的理解而不应当认为该内容对应于本领域技术人员所公知的相关技术。
公开于该发明背景技术部分的信息仅仅旨在加深对本发明的一般背景技术的理解，而不应当被视为承认或以任何形式暗示该信息构成已为本领域技术人员所公知的现有技术。
发明内容
本发明的各个方面旨在提供一种用于控制混合动力车辆驱动的方法，其能够在蓄电池充电状态(SOC)不足时控制车辆的启动而不妨碍车辆的动力性能。
在本发明的一个方面中，用于控制混合动力车辆驱动的方法，其中马达可选择性地连接于变速箱侧，能够包括在电动车辆(EV)模式中测量马达的转速，当马达的转速小于参考转速时，通过执行对连接于变速箱侧的离合器的滑动控制而增加马达的转速，在将EV模式切换到混合动力电动车辆(HEV)模式时启动发动机，以及当马达的转速增加至达到发动机的转速时接合设置于马达和发动机之间的发动机离合器。
所述方法能够进一步包括在测量马达的转速之前测量蓄电池充电状态(SOC)。
在马达的转速增加过程中，参考值为发动机的怠速。
在马达的转速增加过程中，离合器受到滑动控制从而使得传递到变速箱侧的转速保持在预定或者更高的转速。
安装于马达和变速箱侧之间的离合器为双离合器的奇数档离合器。
通过纳入本文的附图以及随后与附图一起用于说明本发明的某些原理的具体实施方式，本发明的方法和装置所具有的其它特征和优点将变得清楚或更为具体地得以说明。
附图说明
图1为示出了并行式混合动力系统的示意图。
图2为示出了根据本发明示例性实施例的混合动力车辆系统的示意图。
图3为用于描述依靠根据本发明示例性实施例的用于控制混合动力车辆驱动的方法的控制流程的示意图。
图4为用于描述根据本发明示例性实施例的行驶控制时马达的转速和发动机的转速变化的示意图。
应理解的是，附图呈现了说明本发明基本原理的各个特征的一定程度的简化表示，从而不一定是按比例绘制的。本文所公开的本发明的具体设计特征包括例如具体尺寸、方向、位置和外形将部分地由具体所要应用和使用的环境来确定。
在附图中，附图标记在全部的几个附图中表示本发明的相同或者等同的部分。
具体实施方式
现在将详细参考本发明的各个实施方案，其示例在附图中示出并在下文中描述。尽管本发明将与示例性实施例相结合进行描述，但是应当意识到，本说明书并非旨在将本发明限制为那些示例性实施例。相反地，本发明旨在不仅覆盖这些示例性实施方案，而且覆盖各种替代方案、修改、等同方案以及其他实施方案，这些替代方案、修改、等同方案以及其他实施方案能够被包括于由所附权利要求书限定的本发明的精神及范畴内。
下面将参照附图详细描述本发明的示例性实施例。
图2为示出了根据本发明示例性实施例的混合动力车辆系统的示意图，图3为用于描述依靠根据本发明示例性实施例的用于控制混合动力车辆驱动的方法的控制流程的示意图，以及图4为用于描述根据本发明示例性实施例的行驶控制时马达的转速和发动机1的转速变化的示意图。
根据本发明示例性实施例的用于控制混合动力车辆驱动的方法，其配置为主要包括测量、增加、启动发动机1以及接合。
下面参见图2至4详细描述本发明示例性实施例，用于控制混合动力车辆驱动的方法(其中马达5连接至变速箱侧9)包括：在EV模式中，测量马达5的转速，在马达5的转速小于参考转速的情况下，通过对连接于变速箱侧9的离合器7进行滑动控制而增加马达5的转速，在将EV模式切换到HEV模式时启动发动机1，以及当马达5的转速增加至达到发动机1的转速时接合在马达5和发动机1之间的发动机离合器3。
即，在将EV模式切换到HEV模式时，当马达5的转速降低时，通过对连接至变速箱侧9的离合器7进行滑动控制而降低马达5的转动负载。因此，当马达5的转速增加至与减少的负载一样大并且马达5的转速因此达到发动机1的转速的时候，发动机离合器3接合并且车辆的行驶因此被控制在HEV模式中，从而使得车辆能够被在HEV模式中驱动而不妨碍车辆的动力性能，由此改进了车辆的操纵性。
根据本发明示例性实施例，所述用于控制混合动力车辆驱动的方法可以进一步包括在步骤S10的测量之前测量蓄电池充电状态。
也即，当蓄电池充电状态小于参考值时，在步骤S20中通过比较马达5的转速与参考转速，确定是否执行对离合器的滑动控制。因此，即使当蓄电池充电状态的残余量较小时，EV模式被切换至HEV模式并且车辆因此能够被驱动而不妨碍车辆的动力性能。
根据本发明示例性实施例，在增加时，参考值可以为发动机的怠速。
也即，步骤S20中当马达5的转速小于发动机的怠速时，在步骤S30中通过执行对离合器的滑动控制，马达5的转速增加至大于发动机怠速的转速。
进一步地，在增加时，能够对离合器执行滑动控制从而使得传递到变速箱侧9的转速保持在预定或者更大的转速。也即，在步骤50中，由于对马达5的转速进行控制以增加该转速，从而使得通过对离合器进行滑动控制，马达5的转速可以与发动机1的转速同步，且离合器受到滑动控制从而使得高于预定转速的动力传递到变速箱侧9，对车辆进行控制以使其连续行驶。
进一步地，根据本发明示例性实施例，安装于马达5和变速箱之间的离合器可以为双离合器的奇数档离合器。
根据本发明示例性实施例，在将EV模式切换到HEV模式时，当马达的RPM由于蓄电池充电状态的残余量而降低时，马达的转速通过滑动控制离合器而增加然后发动机离合夹紧以在HEV模式下驱动车辆而不妨碍车辆的动力性能，由此改进车辆的驾驶性能。
前述对本发明的具体示例性实施方案的描述是为了说明和描述的目的。前面的描述并不想要成为毫无遗漏的，也不是想要把本发明限制为所公开的精确形式，显然，根据上述教导很多改变和变化都是可能的。对示例性实施方案进行选择和描述的目的在于解释本发明的特定原理及其实际应用，从而使得本领域的其它技术人员能够实现并利用本发明的各种不同的示例性实施方案以及各种不同的选择和改变。本发明的范围意在由所附的权利要求书及其等同形式所限定。

Claims (5)

1.一种用于控制混合动力车辆驱动的方法，其中马达选择性地连接至变速箱侧，该方法包括：
在电动车辆模式中测量马达的转速；
在将电动车辆模式切换到混合动力电动车辆模式时，当马达的转速小于参考转速时，通过对连接于变速箱侧的离合器进行滑动控制而增加马达的转速；
启动发动机；以及
当马达的转速增加至达到发动机的转速时接合设置于马达和发动机之间的发动机离合器。
2.根据权利要求1所述的用于控制混合动力车辆驱动的方法，进一步包括：在测量马达的转速之前测量蓄电池充电状态。
3.根据权利要求1所述的用于控制混合动力车辆驱动的方法，其中在马达的转速增加的过程中，所述参考值为发动机的怠速。
4.根据权利要求1所述的用于控制混合动力车辆驱动的方法，其中在马达的转速增加过程中，所述离合器受到滑动控制从而使得传递到变速箱侧的转速保持在预定或者更高的转速。
5.根据权利要求1所述的用于控制混合动力车辆驱动的方法，其中安装于马达和变速箱侧之间的离合器为双离合器的奇数档离合器。
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