CN110834530A - 直连式双输入轴混合动力传动系统 - Google Patents

直连式双输入轴混合动力传动系统 Download PDF

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CN110834530A
CN110834530A CN201810926231.3A CN201810926231A CN110834530A CN 110834530 A CN110834530 A CN 110834530A CN 201810926231 A CN201810926231 A CN 201810926231A CN 110834530 A CN110834530 A CN 110834530A
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gear
motor
engine
torque
shaft
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陈川川
房玉龙
吕俊磊
李育
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Shanghai Automobile Gear Works
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Shanghai Automobile Gear Works
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    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/24—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 apparatus, components or means specially adapted for HEVs characterised by the combustion engines
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/26—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 apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/36—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

一种直连式双输入轴混合动力传动系统，包括：两根分别与差速器相连的中间轴、通过空心嵌套的方式连接的内、外输入轴、通过花键与外输入轴直接相连的电机以及与内输入轴通过花键直接连接的发动机，其中：外输入轴实现一三五挡驱动，内输入轴实现实现二四六挡驱动。本发明通过电机和发动机分别与DCT奇数轴和偶数轴相连的结构，实现双动力源直接连接交替输出的方式，同时不会出现动力中断和衰减的问题，提高了动力转换的效率。

Description

直连式双输入轴混合动力传动系统
技术领域
本发明涉及的是一种汽车变速箱以及混合动力驱动系统领域的技术，具体是一种双输入轴直连式混合动力传动DIHT(double input hybrid transmission)系统。
背景技术
DCT变速箱因为其结构变化性多，可以广泛的应用于不同的混动构型。混合动力驱动系统根据控制策略，通过不同动力源之间的扭矩耦合方式，实现发动机和电机的优势互补，达到节约能源的目的。传统DCT变速箱必须通过双离合器才能实现不同模式之间的切换，但是双离合器及其驱动单元成本较高，其控制受温度影响比较大，标定困难，且长时间使用容易造成箱体漏油和动力的衰减的情况。
发明内容
本发明针对现有技术存在的上述不足，提出一种直连式双输入轴混合动力传动系统，在DCT变速箱的基础上，取消传统的离合器模块，电机与DIHT奇数挡轴相连、发动机与DIHT偶数挡轴相连，发动机与电机分别设置于在变速箱的两端。动力控制单元控制EM电机，通过一挡齿轮实现整车起步，当车速达到一定数值，动力系统控制发动机控制单元(EMS)调速达到目标转速，实现二当同步器进挡，当一挡和二挡同步器同时在位，电机和发动机实现驱动力衰减的扭矩切换。通过电机调节发动机的载荷，稳定发动机在高效率区间工作，实现系统效率的提升。
本发明是通过以下技术方案实现的：
本发明包括：两根分别与差速器相连的中间轴、通过空心嵌套的方式连接的内、外输入轴、通过花键与外输入轴直接相连的电机以及与内输入轴通过花键直接连接的发动机，其中：外输入轴实现一三五挡驱动，内输入轴实现实现二四六挡驱动。
所述的第一中间轴上依次设有第三同步器、六挡从动齿轮、五挡从动齿轮、第四同步器和第一主减速主动齿轮；第二中间轴上依次设有二挡从动齿轮、第一同步器、四挡从动齿轮、三挡从动齿轮、第二同步器、一挡从动齿轮和第二主减速主动齿轮；外输入轴上依次设有三/五挡主动齿轮和一挡主动齿轮；内输入轴上依次设有二挡主动齿轮、四/六挡主动齿轮和外输入轴；差速器上设有主减速从动齿轮。
所述的二挡从动齿轮与二挡主动齿轮啮合。
所述的六挡从动齿轮和五挡从动齿轮分别与四/六挡主动齿轮和三/五挡主动齿轮啮合。
所述的四挡从动齿轮、三挡从动齿轮和一挡从动齿轮分别与四/六挡主动齿轮、三/五挡主动齿轮和一挡主动齿轮啮合。
所述的主减速从动齿轮同时与第一主减速主动齿轮和第二主减速主动齿轮啮合。
所述的一挡主动齿轮反向驱动时实现倒挡。
本发明涉及一种基于上述系统的控制方法，包括：EV起步模式、奇数轴挡位到偶数轴挡位切换模式、奇数轴挡位到偶数轴扭矩交互控制模式、混动E-boost模式、混动E-Charge模式和奇数轴挡位到偶数轴扭矩交互模式。
技术效果
与现有技术相比，本发明通过电机和发动机设置于变速器两端并且分别与DIHT奇数轴和偶数轴相连的结构，实现双动力源直接连接交替输出的方式，从而在实现混动系统的所有功能同时不会出现动力中断和衰减，提高了动力转换的效率，达到节约能源的目的。
附图说明
图1为本发明结构示意图；
图2为本装置电机驱动整车行驶起步能量流示意图；
图3为本装置发动机和电机共同驱动能量流动图；
图4为本装置发动机驱动行驶电机发电能量流动图；
图5为本装置发动机单独驱动能量流动图；
图中：第一中间轴1、六挡从动齿轮2、五挡从动齿轮3、第一主减速主动齿轮4、二挡主动齿轮5、四/六挡主动齿轮6、外输入轴7、三/五挡主动齿轮8、一挡主动齿轮9、内输入轴10、第三中间轴11、二挡从动齿轮12、四挡从动齿轮13、三挡从动齿轮14、一挡从动齿轮15、第二主减速主动齿轮16、主减速从动齿轮17、发动机ICE、电机EM、差速器Diff、第一同步器A、第二同步器B、第三同步器C、第四同步器D。
具体实施方式
如图1所示，为本实施例涉及的一种双动力无离合器DIHT混动系统，其包含：与发动机ICE和电机EM相连的外输入轴7和内输入轴10、二个中间轴和差速器Diff，发动机ICE和电机EM设置于外输入轴7和内输入轴10的两侧，其中：第一中间轴1上依次设有第三同步器C、六挡从动齿轮2、五挡从动齿轮3、第四同步器D和第一主减速主动齿轮4；外输入轴7上依次设有三/五挡主动齿轮8和一挡主动齿轮9；内输入轴10上依次设有二挡主动齿轮5、四/六挡主动齿轮6和外输入轴7；第二中间轴11上依次设有二挡第一从动齿轮12、第一同步器A、四挡从动齿轮13、三挡从动齿轮14、第二同步器B、一挡从动齿轮15和第二主减速主动齿轮16；差速器Diff上设有主减速从动齿轮17。
所述的外输入轴7空套于内输入轴10上。
所述的二挡主动齿轮7和二挡第一从动齿轮13啮合。
所述的六挡从动齿轮2和五挡从动齿轮3分别与四/六挡主动齿轮6和三/五挡主动齿轮8啮合。
所述的四挡从动齿轮13、三挡从动齿轮14和一挡从动齿轮15分别与四/六挡主动齿轮6、三/五挡主动齿轮8和一挡主动齿轮9啮合。
所述的主减速从动齿轮17同时与第一主减速主动齿轮4和第二主减速主动齿轮16啮合。
如图2～图5所示，本装置可以实现混合动力系统的全部功能，具体功能如下：
Figure BDA0001765438870000031
EV起步功能控制逻辑如下：当整车完成基本上电功能后，驾驶员操纵换挡杆在D挡，混合动力控制单元(HCU)进行预挂一挡时，混动控制单元进行预挂一挡，并在挂挡完成后根据驾驶员的需求控制电机输出扭矩，驱动整车行驶。
所述的混合动力控制单元内置双输入轴动力性系统控制单元(DIMT)，控制预挂档、升档、降档以及电机和发动机扭矩和转速的计算。
奇数轴挡位到偶数轴挡位切换控制逻辑：电机在一挡驱动整车行驶，当车速达到某一数值A时，此时混动控制单元控制12V起动机启动发动机，发动机启动成功之后，DIMT根据当前车速A计算发动机2挡齿轮需要的目标转速X，挡发动机调节目标转速达到X正负50rpm的范围内时，DIHT控制同步器B完成进挡，偶数轴升挡完成之后，此时电机一挡同步器A在位，电机扭矩正常输出，发动机2挡同步器在位，发动机不输出扭矩，跟随偶数轴随动旋转。
奇数轴挡位到偶数轴扭矩交互控制逻辑：当完成奇数轴挡位到偶数轴挡位的切换，DIHT控制电机扭矩按照一定的斜率(例如50ms实现当前扭矩到目标扭矩)下降，发动机的扭矩按照一定的斜率(例如50ms实现当前扭矩到目标扭矩)上升，实现电机和发动机的扭矩交换，完成由一挡电机驱动切换为二挡发动机驱动。
混动E-boost模式控制逻辑：当DIMT完成偶数轴到奇数轴轴之间的挡位切换，此时奇数轴电机同步环挡位在挡，偶数轴发动机挡位在挡，发动机输出扭矩驱动整车行驶，电机输出正向的驱动扭矩，发动机驱动扭矩加上电机输出的正向扭矩等于整车实际驱动扭矩。电机和发动机的扭矩叠加实现整车Boost加速模式。
混动E-Charge模式控制逻辑：当DIMT完成偶数轴到奇数轴轴之间的挡位切换，此时奇数轴电机同步环挡位在挡，偶数轴发动机挡位在挡，发动机输出扭矩驱动整车行驶，电机输出负向的发电扭矩，发动机输出扭矩减去电机输出扭矩等于整车驱动扭矩。电机作为发动机的负载，以一定的功率对电池进行充电。
奇数轴挡位到偶数轴扭矩交互控制逻辑：：
当发动机以二挡驱动整车行驶，奇数轴电机在空挡，DIMT根据当前车速计算电机目标转速，控制电机调速在同步器要求的转速差范围之内，DIMT控制一挡同步器完成退挡，奇数轴退挡完成之后，DIHT控制发动机扭矩按照一定的斜率(例如50ms实现当前扭矩到目标扭矩)下降，电机的扭矩按照一定的斜率(例如50ms实现当前扭矩到目标扭矩)上升，实现电机和发动机的扭矩交换，由二挡发动机驱动切换为一挡电机驱动。同理可以实现1-2-3-4-5-6的升挡和6-5-4-3-2-1的降挡。
上述具体实施可由本领域技术人员在不背离本发明原理和宗旨的前提下以不同的方式对其进行局部调整，本发明的保护范围以权利要求书为准且不由上述具体实施所限，在其范围内的各个实现方案均受本发明之约束。

Claims (10)

1.一种直连式双输入轴混合动力传动系统，其特征在于，包括：两根分别与差速器相连的中间轴、通过空心嵌套的方式连接的内、外输入轴、通过花键与外输入轴直接相连的电机以及与内输入轴通过花键直接连接的发动机，其中：外输入轴实现一三五挡驱动，内输入轴实现实现二四六挡驱动；
所述的第一中间轴上依次设有第三同步器、六挡从动齿轮、五挡从动齿轮、第四同步器和第一主减速主动齿轮；第二中间轴上依次设有二挡从动齿轮、第一同步器、四挡从动齿轮、三挡从动齿轮、第二同步器、一挡从动齿轮和第二主减速主动齿轮；外输入轴上依次设有三/五挡主动齿轮和一挡主动齿轮；内输入轴上依次设有二挡主动齿轮、四/六挡主动齿轮和外输入轴；差速器上设有主减速从动齿轮。
2.根据权利要求1所述的直连式双输入轴混合动力传动系统，其特征是，所述的二挡从动齿轮与二挡主动齿轮啮合；六挡从动齿轮和五挡从动齿轮分别与四/六挡主动齿轮和三/五挡主动齿轮啮合；四挡从动齿轮、三挡从动齿轮和一挡从动齿轮分别与四/六挡主动齿轮、三/五挡主动齿轮和一挡主动齿轮啮合；主减速从动齿轮同时与第一主减速主动齿轮和第二主减速主动齿轮啮合。
3.根据权利要求1所述的直连式双输入轴混合动力传动系统，其特征是，所述的一挡主动齿轮反向驱动时实现倒挡。
4.一种基于上述任一权利要求所述系统的控制方法，其特征在于，包括：EV起步模式、奇数轴挡位到偶数轴挡位切换模式、奇数轴挡位到偶数轴扭矩交互控制模式、混动E-boost模式、混动E-Charge模式和奇数轴挡位到偶数轴扭矩交互模式。
5.根据权利要求4所述的方法，其特征是，所述的EV起步模式是指：当操纵换挡杆在D挡时，混动控制单元进行预挂一挡，并在挂挡完成后控制电机输出扭矩，驱动整车行驶。
6.根据权利要求4所述的方法，其特征是，所述的奇数轴挡位到偶数轴挡位切换模式是指：电机在一挡驱动整车行驶，当车速达到预设车速时，此时混动控制单元控制12V起动机启动发动机，发动机启动成功之后，DIMT根据当前车速计算发动机二挡齿轮需要的目标转速，挡发动机调节目标转速达到目标转速正负50rpm的范围内时，DIHT控制二挡同步器完成进挡，偶数轴升挡完成之后，此时电机一挡同步器在位，电机扭矩正常输出，发动机二挡同步器在位，发动机不输出扭矩，跟随偶数轴随动旋转。
7.根据权利要求4所述的方法，其特征是，所述的奇数轴挡位到偶数轴扭矩交互控制模式是指：当完成奇数轴挡位到偶数轴挡位的切换，DIHT控制电机扭矩下降，发动机的扭矩上升，实现电机和发动机的扭矩交换，完成由一挡电机驱动切换为二挡发动机驱动。
8.根据权利要求4所述的方法，其特征是，所述的混动E-boost模式是指：当DIMT完成偶数轴到奇数轴轴之间的挡位切换，此时奇数轴电机同步环挡位在挡，偶数轴发动机挡位在挡，发动机输出扭矩驱动整车行驶，电机输出正向的驱动扭矩，发动机驱动扭矩加上电机输出的正向扭矩等于整车实际驱动扭矩。电机和发动机的扭矩叠加实现整车Boost加速模式。
9.根据权利要求4所述的方法，其特征是，所述的混动E-Charge模式是指：当DIMT完成偶数轴到奇数轴轴之间的挡位切换，此时奇数轴电机同步环挡位在挡，偶数轴发动机挡位在挡，发动机输出扭矩驱动整车行驶，电机输出负向的发电扭矩，发动机输出扭矩减去电机输出扭矩等于整车驱动扭矩，电机作为发动机的负载对电池进行充电。
10.根据权利要求4所述的方法，其特征是，所述的奇数轴挡位到偶数轴扭矩交互模式是指：当发动机以二挡驱动整车行驶，奇数轴电机在空挡，DIMT根据当前车速计算电机目标转速，控制电机调速在同步器要求的转速差范围之内，DIMT控制一挡同步器完成退挡，奇数轴退挡完成之后，DIHT控制发动机扭矩下降，电机的扭矩上升，实现电机和发动机的扭矩交换，由二挡发动机驱动切换为一挡电机驱动。
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