CN115123186B - 车辆控制装置 - Google Patents

车辆控制装置 Download PDF

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Publication number
CN115123186B
CN115123186B CN202210183508.4A CN202210183508A CN115123186B CN 115123186 B CN115123186 B CN 115123186B CN 202210183508 A CN202210183508 A CN 202210183508A CN 115123186 B CN115123186 B CN 115123186B
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vehicle
control device
engine
torque
internal combustion
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CN115123186A (zh
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深尾将士
藤岛佑树
安形昌也
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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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
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/15—Control strategies specially adapted for achieving a particular effect
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • 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
    • B60K6/38—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 driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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    • 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
    • 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
    • B60K6/485—Motor-assist type
    • 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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    • B60W10/024—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches including control of torque converters
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    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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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
    • 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
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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
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/11—Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
    • 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
    • B60W20/14—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 in conjunction with braking regeneration
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    • 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
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    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
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    • B60W30/18109—Braking
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    • 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
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    • 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
    • B60K6/40—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 assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract

提供一种能够确保车辆对减速要求后的加速要求的响应性并且能避免车辆的NV特性恶化的车辆控制装置。根据对车辆(1)的减速要求，控制装置(30)执行停止向发动机(11)供给燃料的燃料切断控制，在执行燃料切断控制的过程中并接合锁止离合器(134)且打开车辆(1)的节气门时，若存在对车辆(1)的加速要求，则控制装置关闭节气门并且执行通过电动发电机(12)的输出来辅助驱动轮(DW)的驱动的马达辅助，在关闭节气门后，当发动机(11)的进气压为规定的可起动负压时，控制装置结束燃料切断控制并且重新开始向发动机(11)供给燃料，在重新开始向发动机(11)供给燃料时，控制装置分离锁止离合器(134)。

Description

车辆控制装置
技术领域
本发明涉及一种车辆控制装置。
背景技术
以往，从提高具备内燃机的车辆的燃料消耗性能的观点出发，执行停止向内燃机供给燃料的燃料切断控制。另外，在专利文献1中公开了如下技术：一种混合动力车辆，其具备发动机和马达，所述发动机作为车辆的驱动源并且能够在通常运转和汽缸休止运转之间切换，所述马达根据车辆的运转状态进行发动机的驱动辅助，从汽缸休止运转向通常运转转换时，通过马达进行发动机的驱动辅助。并且，在专利文献2中公开了如下技术：使发动机从停缸状态恢复时的、用于通过马达起动电动机的起动扭矩比通常起动扭矩低。
现有技术文献
专利文献
专利文献1：日本特开2002-247708号公报
专利文献2：日本特开2003-083104号公报
发明内容
发明要解决的课题
车辆具备内燃机、与内燃机连结的电动机、以及经由动力传递装置与内燃机及电动机连结的驱动轮，在该车辆制动时(即减速时)，能够进行基于电动机的再生发电。此时，如果能够降低内燃机相对于从驱动轮侧输入的动力的损失，则能够增大输入到电动机的再生扭矩，并且能够增加电动机的发电量。因此，考虑在根据减速要求执行燃料切断控制时通过打开车辆的节气门，来降低内燃机的泵送损失，增大再生扭矩。然而，在现有技术中，在这样的情况下，从减速要求之后对加速要求的响应性以及车辆的NV(Noise，Vibration)特性的观点出发，存在改善的余地。
本发明提供一种能够确保减速要求后车辆对加速要求的响应性并且能够避免车辆的NV特性恶化的车辆控制装置。
用于解决课题的手段
本发明提供一种车辆控制装置，其用于控制车辆，所述车辆具备：
内燃机；
电动机，其与所述内燃机连结；以及
驱动轮，其经由动力传递装置与所述内燃机以及所述电动机连结，
在所述车辆中，能够执行通过所述电动机的动力来辅助所述驱动轮的驱动的马达辅助，
所述动力传递装置具备：
变矩器；
锁止离合器；以及
主轴，其能够将经由所述变矩器以及所述锁止离合器中的至少一方传递来的所述内燃机以及所述电动机中的至少一方的动力输出到所述驱动轮，
根据对所述车辆的减速要求，所述车辆控制装置执行停止向所述内燃机供给燃料的燃料切断控制，
在执行所述燃料切断控制的过程中，所述车辆控制装置能够预先接合所述锁止离合器并且打开所述车辆的节气门，
在执行所述燃料切断控制的过程中并接合所述锁止离合器且打开所述节气门时，若存在对所述车辆的加速要求，则所述车辆控制装置关闭所述节气门并且执行所述马达辅助，
在关闭所述节气门后，当所述内燃机的进气压为规定的可起动负压时，所述车辆控制装置结束所述燃料切断控制并重新开始向所述内燃机供给燃料，
在重新开始向所述内燃机供给燃料时，所述车辆控制装置分离所述锁止离合器。
发明效果
根据本发明，能够提供一种能够确保车辆对减速要求后的加速要求的响应性并且能够避免车辆的NV特性恶化的车辆控制装置。
附图说明
图1是表示本实施方式的车辆的一例的图。
图2是表示本实施方式的车辆所具备的变速器的一例的图。
图3是表示本实施方式的控制装置进行的控制的具体的一例的图。
附图标记说明
1车辆；11发动机(内燃机)；12电动发电机(电动机)；13、变矩器；134锁止离合器；141输入轴(主轴)；30控制装置(车辆控制装置)；DW驱动轮；TM变速器(动力传递装置)
具体实施方式
以下，参照附图对本发明的车辆控制装置的一个实施方式进行详细说明。
【车辆】
如图1所示，本实施方式中的车辆1是所谓的混合动力电动机动车(HybridElectrical Vehicle)，具备作为内燃机的一例的发动机11、作为电动机的一例的电动发电机12、作为动力传递装置的一例的变速器TM、驱动轮DW、蓄电池20、电力转换装置21、以及掌管车辆1整体的控制的控制装置30。控制装置30是根据本发明的车辆控制装置的一例。另外，在图1中，粗实线表示机械连结，双重虚线表示电气配线，实线箭头表示控制信号。
发动机11例如是构成为能够切换可使全部汽缸运转的全缸运转和可在使一部分汽缸休止的状态下运转的停缸运转的所谓汽缸休止发动机。作为一例，发动机11是具备可变气门正时机构(未图示)的V型6汽缸发动机，并且构成为通过可变气门正时机构能够休止一个汽缸组的三个汽缸。即，在发动机11中，在全缸运转时进行使用两个汽缸组的六个汽缸的6汽缸运转，在停缸运转时进行仅使用一个汽缸组的三个汽缸的3汽缸运转。另外，发动机11构成为通过可变气门正时机构也能够改变例如各进气阀的开阀期间、开闭正时、升程量等。
发动机11通过旋转驱动曲轴11a(参照图2)来输出通过燃烧所供给的燃料(例如汽油)而产生的机械能(动力)。具体而言，发动机11具备喷射器(未图示)。喷射器例如使用PWM(Pulse Width Modulation：脉冲宽度调制)控制而由控制装置30控制，并向发动机11供给燃料。通过供给燃料而从发动机11输出的动力经由与发动机11机械连结的变速器TM传递至驱动轮DW，以供车辆1行驶。
另外，发动机11也与电动发电机12机械地连结。电动发电机12例如是三相的交流马达，作为通过被供给电力而输出动力的电动机发挥功能。具体而言，电动发电机12的转子(未图示)与发动机11的曲轴11a连结。因此，从由发动机11及电动发电机12构成的动力设备输出的动力设备扭矩在曲轴11a的轴端的扭矩即曲轴端扭矩为从发动机11输出的扭矩(以下，也称为发动机扭矩)与从电动发电机12输出的扭矩(以下，也称为马达扭矩)之和。需要说明的是，在以下的说明中，将正的马达扭矩称为动力运行扭矩，将负的马达扭矩称为再生扭矩。
通过发动机11与电动发电机12机械地连结，从而在车辆1中能够进行通过电动发电机12的输出来辅助使用发动机11的输出的驱动轮DW的驱动(即车辆1的行驶)的马达辅助。
另外，通过发动机11与电动发电机12机械地连结，从而也能够通过发动机11的输出来旋转驱动电动发电机12，或者通过电动发电机12的输出来旋转驱动发动机11。
电动发电机12经由电力转换装置21与蓄电池20电连接。蓄电池20例如是具有串联连接的多个蓄电单元且构成为能够输出规定的电压(例如50～200[V])的蓄电池。作为蓄电池20的蓄电单元，能够使用锂离子电池、镍氢电池等。
电力转换装置21具备逆变器、AC/DC转换器(均未图示)等，并且是由控制装置30控制且进行电力转换的装置。例如，电力转换装置21将从蓄电池20供给的直流电力转换为三相的交流电力而供给至电动发电机12，或者将从电动发电机12供给的三相的交流电力转换为直流电力而供给至蓄电池20。电动发电机12通过经由电力转换装置21被供给蓄电池20的电力，由此能够进行上述的马达辅助。
另外，电动发电机12也作为通过被旋转驱动而进行发电的发电机发挥功能。电动发电机12如上所述能被发动机11的输出旋转驱动，除此之外，还能被伴随着车辆1的制动等而从驱动轮DW侧输入的动力旋转驱动。由电动发电机12发出的电力经由电力转换装置21供给至蓄电池20，并用于蓄电池20的充电。
变速器TM例如是具有多个变速挡(例如7挡)的多挡式变速器，且设置于从发动机11到驱动轮DW的动力传递路径。具体而言，如图2所示，变速器TM包括变矩器13和齿轮箱14而构成。
变矩器13具备泵叶轮131、涡轮132、定子133以及锁止离合器134。泵叶轮131与发动机11以及电动发电机12(具体而言为曲轴11a)机械连结，并伴随发动机11以及电动发电机12的旋转驱动而一体旋转。涡轮132具有与泵叶轮131的工作油排出口接近地配置的工作油流入口，并且与齿轮箱14的输入轴141机械连结，并与输入轴141一体旋转。定子133以夹在涡轮132与泵叶轮131之间的方式配置，并且将从涡轮132返回泵叶轮131的工作油的流动偏转。另外，定子133经由单向离合器135支承于变矩器13的壳体(未图示)等。变矩器13通过使工作油在形成于泵叶轮131与涡轮132之间的循环路中循环，从而能够经由工作油从泵叶轮131向涡轮132传递动力(旋转动力)。
锁止离合器134是能够将发动机11与齿轮箱14的输入轴141的机械连接断开或连接的离合器。通过将锁止离合器134设为接合状态，从而能够将发动机11的输出直接传递至齿轮箱14的输入轴141。即，在锁止离合器134处于接合状态时，发动机11的曲轴11a与齿轮箱14的输入轴141一体旋转。
齿轮箱14具备：输入轴141，其经由变矩器13和锁止离合器134中的至少一方被传递发动机11、电动发电机12的输出；多个变速机构142、143，它们能够将传递至输入轴141的动力变速；以及输出构件144，其包括将由这些多个变速机构中的任一个变速机构变速后的动力向驱动轮DW侧输出的输出齿轮144a。需要说明的是，输入轴141是主轴的一例。
齿轮箱14所具备的多个变速机构包括第一变速机构142和第二变速机构143。第一变速机构142具备：第一变速离合器142a；第一驱动齿轮142b，其通过第一变速离合器142a处于接合状态而与输入轴141一体旋转；以及第一从动齿轮142c，其与输出构件144一体旋转。第二变速机构143具备：第二变速离合器143a；第二驱动齿轮143b，其通过第二变速离合器143a处于接合状态而与输入轴141一体旋转；以及第二从动齿轮143c，其与输出构件144一体旋转。
需要说明的是，在图2中，作为齿轮箱14所具备的变速机构，仅图示了第一变速机构142以及第二变速机构143，但齿轮箱14例如还具备第一变速机构142以及第二变速机构143以外的变速机构(未图示)。
通过控制装置30来控制使锁止离合器134、第一变速离合器142a以及第二变速离合器143a这样的变速器TM所具备的各离合器(以下，也简称为变速器TM的离合器)处于接合状态还是分离状态。
返回图1，控制装置30是控制发动机11、变速器TM以及电力转换装置21等的装置。进而，控制装置30也能够借助电力转换装置21的控制来控制电动发电机12。另外，控制装置30可以直接控制电动发电机12，也可以控制蓄电池20的输入输出。控制装置30例如由具备进行各种运算的处理器、存储各种信息的存储装置、控制在控制装置30的内部与外部之间输入输出数据的输入输出装置等的ECU(Electronic Control Unit：电子控制单元)来实现。此外，控制装置30既可以通过一个ECU来实现，也可以通过多个ECU协调动作来实现。
在控制装置30连接有各种传感器，控制装置30基于从这些传感器输入的信息来控制发动机11、变速器TM以及电力转换装置21(即电动发电机12)等。作为与控制装置30连接的传感器，例如能够举出检测发动机11(曲轴11a)的转速(以下称为发动机转速，也参照图2中的NE)的发动机转速传感器17、检测车辆1的行驶速度(以下称为车速)的车速传感器18、检测输入轴141的转速(以下称为主轴转速，也参照图2中的NM)的主轴转速传感器19(参照图2)。
并且，作为与控制装置30连接的传感器，还能够举出检测对车辆1的加速器踏板的操作量(以下，称为AP开度)的AP传感器、检测对车辆1的制动器踏板的操作量的制动传感器、检测变速器TM的变速挡的齿轮位置传感器、检测蓄电池20的输出或温度的电池传感器、检测发动机11的进气压的进气压传感器(均未图示)等。另外，控制装置30也可以连接有检测大气压的大气压传感器(未图示)。
例如，控制装置30基于车辆1的行驶状态，导出相对于发动机扭矩与马达扭矩之和即曲轴端扭矩的目标扭矩(以下，称为曲轴端要求扭矩)。作为一例，控制装置30通过参照由车速传感器18检测出的车速和由AP传感器检测出的AP开度、以及根据车速和AP开度确定车辆1的行驶所要求的曲轴端要求扭矩的映射，来导出曲轴端要求扭矩。此外，该映射例如预先存储于控制装置30的存储装置。而且，控制装置30控制发动机扭矩和马达扭矩，以使曲轴端扭矩成为曲轴端要求扭矩。
另外，控制装置30基于曲轴端要求扭矩，在全缸运转与停缸运转之间切换发动机11的运转状态。具体而言，在曲轴端要求扭矩比较小时，控制装置30使发动机11进行停缸运转；在曲轴端要求扭矩大到一定程度时，控制装置30使发动机11进行全缸运转。即，在曲轴端要求扭矩小时，控制装置30使发动机11进行停缸运转从而实现提高车辆1的燃料消耗性能，在曲轴端要求扭矩变大时，控制装置30使发动机11进行全缸运转从而实现确保与车辆1的行驶状态相应的适当的曲轴端扭矩。
另外，根据对行驶中的车辆1的减速要求，控制装置30执行停止向发动机11供给燃料的燃料切断控制。减速要求例如是车辆1的制动器踏板被操作(例如被踩踏)的制动开启要求、车辆1的加速器踏板的操作被解除的加速器关闭要求等。
另外，若在通过燃料切断控制停止向发动机11供给燃料时存在对车辆1的加速要求，控制装置30结束燃料切断控制，并重新开始向发动机11供给燃料。加速要求例如是车辆1的制动器踏板的操作被解除的制动关闭要求、加速器踏板被操作的加速器开启要求等。
另外，在车辆1中，在根据减速要求进行减速时、即控制装置30执行燃料切断控制时，能够利用从驱动轮DW侧输入的动力使电动发电机12发电(再生发电)。对于此时的电动发电机12的每单位时间的发电量(以下，简称为发电量)而言，向电动发电机12输入的扭矩即再生扭矩越大则越多，并且能够在短时间内将蓄电池20充电。
如图1及图2所示，在发动机11与电动发电机12直接连结的情况下，作为增大车辆1减速时的再生扭矩的方法可考虑降低发动机11相对于从驱动轮DW侧输入的动力的损失。因此，在车辆1减速时、即在执行燃料切断控制的过程中，控制装置30打开车辆1的节气门阀(未图示。以下，简称为节气门)。由此，能够降低车辆1减速时发动机11的泵送损失，并且能够增大再生扭矩。
并且，在本实施方式中，控制装置30在车辆1减速时休止发动机11的一部分汽缸。具体而言，控制装置30在车辆1减速时将一方汽缸组的三个汽缸的进排气阀全部关闭。由此，能够进一步降低车辆1减速时发动机11的泵送损失，并且能够增大再生扭矩。
另外，在执行燃料切断控制的过程中打开节气门的情况下，在根据加速要求重新开始向发动机11供给燃料时，需要暂时关闭节气门来调整发动机11的吸入空气量。这是因为，若在吸入空气量过剩的状态(即发动机11的进气压高的状态)下重新开始向发动机11供给燃料，则从发动机11输出过大的发动机扭矩，因此发动机转速过冲，车辆1的NV特性恶化，或者发生驾驶员不希望的车辆1的飞出。
因此，在执行燃料切断控制的过程中打开节气门的情况下，从存在加速要求到重新开始向发动机11供给燃料为止，由于进行吸入空气量调整，因此需要一定的时间。如果在该期间不进行任何操作，则车辆1对加速要求的响应性降低。
于是，在执行燃料切断控制的过程中并接合锁止离合器134且打开车辆1的节气门时，若存在对车辆1的加速要求，则车辆控制装置30关闭节气门并且执行马达辅助。具体而言，控制装置30进行马达辅助，以利用马达扭矩填补根据加速要求而增加的曲轴端要求扭矩。由此，能够确保与车辆1的行驶状态相应的适当的曲轴端扭矩，并且能够避免车辆1对减速要求后的加速要求的响应性降低。
并且，在关闭节气门后，当发动机11的进气压为规定的可起动负压(即适当的吸入空气量)时，控制装置30结束燃料切断控制并且重新开始向发动机11供给燃料。由此，能够在避免发动机转速过冲的同时起动发动机11。
另外，当通过重新开始向发动机11供给燃料而起动发动机11时，与该起动前相比，从发动机11输出的发动机扭矩急剧增加。若伴随着重新开始向发动机11供给燃料而从发动机11输出的发动机扭矩在一定程度上较小，则能够通过控制电动发电机12的再生扭矩来抑制曲轴端扭矩的急剧增加，但也考虑输出通过电动发电机12的再生扭矩无法完全吸收的发动机扭矩而曲轴端扭矩急剧增加。这样，若在曲轴端扭矩大幅变动时锁止离合器134处于接合状态，则该扭矩变动经由锁止离合器134按照原样地传递至驱动轮DW，有可能产生可能给驾驶员带来不适感的冲击。这样的冲击的产生会导致车辆1的NV特性恶化。
因此，在重新开始向发动机11供给燃料时，控制装置30分离锁止离合器134。由此，即使随着重新开始向发动机11供给燃料而从发动机11输出的发动机扭矩急剧增加，也能够抑制传递到驱动轮DW的扭矩急剧变化。因此，能够抑制可能给驾驶员带来不适感的冲击的产生，避免车辆1的NV特性恶化。
这样，在执行与减速要求相应的燃料切断控制的过程中并接合锁止离合器134且打开节气门时，若存在加速要求，则控制装置30关闭节气门并且执行马达辅助。由此，能够降低车辆1根据减速要求减速时发动机11的损失(泵送损失)，能够增大电动发电机12的发电量，并且也能够确保车辆1对减速要求后的加速要求的响应性。
并且，当在根据加速要求关闭节气门之后，发动机11的进气压为可起动负压时，控制装置30结束燃料切断控制并且重新开始向发动机11供给燃料，在重新开始向发动机11供给燃料时，控制装置30分离锁止离合器134。由此，能够在避免发动机转速过冲的同时起动发动机11，并且减小伴随发动机11的起动而产生的冲击，从而能够避免车辆1的NV特性恶化。以下，参照图3，对控制装置30所进行的具体控制的一例进行说明。
[控制装置所进行的具体控制的一例]
在图3中示出了(a)燃料切断控制的执行状态、(b)发动机11的状态(是否为使一部分汽缸休止的状态)、(c)锁止离合器134的状态、(d)发动机11的进气压、(e)各种扭矩、(f)各种转速、(g)车速、(h)AP开度的时期关系。
此外，图3所示的例子是在车辆1根据减速要求减速时存在加速要求，且控制装置30根据该加速要求使车辆1加速的情况下的例子。在图3所示的例子中，在车辆1减速时(即，到后述的时期t11为止的期间)，通过控制装置30执行燃料切断控制的同时，接合锁止离合器134，并且打开车辆1的节气门。这样，与分离锁止离合器134的情况相比，通过在车辆1减速时预先接合锁止离合器134，从而能够将来自驱动轮DW侧的动力高效地传递至电动发电机12，因此能够增大再生扭矩，实现电动发电机12的发电量的增加。
在图3所示的时期t11，由驾驶员踩踏加速器踏板，AP开度增加。当存在这样的加速要求时，控制装置30进行马达辅助，以利用马达扭矩填补伴随AP开度的增加而增加的曲轴端要求扭矩。由此，增加从电动发电机12输出的马达扭矩。另外，当存在加速要求时，为了重新开始向发动机11供给燃料，控制装置30逐渐关闭节气门。由此，降低发动机11的进气压。
然后，在时期t11后的时期t12，当发动机11的进气压为规定的可起动负压(即适当的吸入空气量)时，控制装置30分离锁止离合器134(参照图3中由标注有附图标记301的虚线包围的部位)，并且结束燃料切断控制，重新开始向发动机11供给燃料。由此，控制装置30适当地起动发动机11，并且减小伴随发动机11的起动而产生的冲击，从而避免车辆1的NV特性恶化。
此外，如图3所示，也可以在重新开始向发动机11供给燃料之前，控制装置30预先使发动机11处于能够进行全缸运转的状态。由此，能够迅速地提高伴随着重新开始向发动机11供给燃料而从发动机11输出的发动机扭矩。另外，控制装置30通过与关闭节气门相应地使发动机11处于能够进行全缸运转的状态，从而能够一边缩短直至发动机11具有适当的吸入压为止的减压时间，一边将发动机11切换为能够进行全缸运转的状态。
另外，也可以是，控制装置30基于重新开始向发动机11供给燃料之前的曲轴端要求扭矩来判断发动机11是否处于能够进行全缸运转的状态，并基于该判断结果来使发动机11处于能够进行全缸运转的状态。即，也可以是，若重新开始向发动机11供给燃料之前的曲轴端要求扭矩大到一定程度，则控制装置30将发动机11切换为能够进行全缸运转的状态。
另外，如图3所示，在重新开始向发动机11供给燃料后(即起动发动机11后)，控制装置30执行马达辅助，直到从发动机11输出的发动机扭矩达到基于车辆1的行驶状态的曲轴端要求扭矩为止。由此，即使在燃料供给刚重新开始之后未输出足够的发动机扭矩时，也能够通过马达扭矩来确保与车辆1的行驶状态相应的适当的曲轴端扭矩，并能够抑制因曲轴端扭矩不足而产生过渡失速(所谓的车辆1的迟缓)。
然后，如图3所示，控制装置30与发动机扭矩的增加相应地减少马达扭矩，当发动机扭矩达到曲轴端要求扭矩时，该控制装置30结束马达辅助。由此，若能够通过发动机扭矩确保与车辆1的行驶状态相应的适当的曲轴端扭矩，则结束马达辅助，从而能够减少电动发电机12的电力消耗。
另外，在重新开始向发动机11供给燃料后AP开度变为恒定(即对车辆1的加速要求消失)的时期t13，控制装置30接合锁止离合器134。由此，能够降低伴随接合锁止离合器134而产生的冲击，并且能够避免车辆1的NV特性恶化。
如以上说明的那样，根据本实施方式的控制装置30，能够确保车辆1对减速要求后的加速要求的响应性，并且能够避免车辆1的NV特性恶化。
以上，对本发明的实施方式进行了说明，但本发明并不限定于上述的实施方式，能够适当地进行变形、改良等。
例如，在前述的实施方式中，对将本发明的动力传递装置设为具有多个变速挡的多挡式变速器即变速器TM的例子进行了说明，但本发明不限于此。动力传递装置可以是无级变速器，也可以不具有变速机构。另外，在上述的实施方式中，对将发动机11设为汽缸休止发动机的例子进行了说明，但发动机11也可以不是汽缸休止发动机。
本说明书中至少记载了以下的事项。需要说明的是，在括号内示出了在上述实施方式中对应的构成要素等，但是本发明并不限于此。
(1)一种车辆控制装置(控制装置30)，其用于控制车辆(车辆1)，所述车辆具备：
内燃机(发动机11)；
电动机(电动发电机12)，其与所述内燃机连结；以及
驱动轮(驱动轮DW)，其经由动力传递装置(变速器TM)与所述内燃机以及所述电动机连结，
在所述车中，辆能够执行通过所述电动机的动力来辅助所述驱动轮的驱动的马达辅助，
所述动力传递装置具备：
变矩器(变矩器13)；
锁止离合器(锁止离合器134)；以及
主轴(输入轴141)，其能够将经由所述变矩器以及所述锁止离合器中的至少一方而传递来的所述内燃机以及所述电动机中的至少一方的动力输出到所述驱动轮，
根据对所述车辆的减速要求，所述车辆控制装置执行停止向所述内燃机供给燃料的燃料切断控制，
在执行所述燃料切断控制的过程中，所述车辆控制装置能够预先接合所述锁止离合器并且打开所述车辆的节气门，
在执行所述燃料切断控制的过程中并接合所述锁止离合器且打开所述节气门时，若存在对所述车辆的加速要求，则所述车辆控制装置关闭所述节气门关闭并且执行所述马达辅助，
在关闭所述节气门后，当所述内燃机的进气压为规定的可起动负压时，所述车辆控制装置结束所述燃料切断控制并重新开始向所述内燃机供给燃料，
在重新开始向所述内燃机供给燃料时，所述车辆控制装置分离所述锁止离合器。
根据(1)，能够确保对减速要求后的加速要求的响应性，并且能够避免车辆的NV特性恶化。
(2)根据(1)所述的车辆控制装置，其中，
从由所述内燃机以及所述电动机构成的动力设备输出的动力设备扭矩在曲轴的轴端的扭矩为曲轴端扭矩，所述车辆控制装置能够基于针对曲轴端扭矩的目标扭矩来控制所述内燃机的输出以及所述电动机的输出，
所述车辆控制装置执行所述马达辅助，以利用从所述电动机输出的马达扭矩填补根据所述加速要求而增加的所述目标扭矩。
根据(2)，能够确保与车辆的行驶状态相应的适当的曲轴端扭矩，并且能够避免车辆对减速要求后的加速要求的响应性降低。
(3)根据(1)或(2)所述的车辆控制装置，其中，
在伴随着重新开始向所述内燃机供给燃料而分离所述锁止离合器之后，当所述加速要求消失时，所述车辆控制装置接合所述锁止离合器。
根据(3)，能够降低伴随接合锁止离合器而产生的冲击，并且能够避免车辆的NV特性恶化。

Claims (3)

1.一种车辆控制装置，其用于控制车辆，所述车辆具备：
内燃机；
电动机，其与所述内燃机连结；以及
驱动轮，其经由动力传递装置与所述内燃机以及所述电动机连结，
在所述车辆中，能够执行通过所述电动机的动力来辅助所述驱动轮的驱动的马达辅助，
所述动力传递装置具备：
变矩器；
锁止离合器；以及
主轴，其能够将经由所述变矩器以及所述锁止离合器中的至少一方传递来的所述内燃机以及所述电动机中的至少一方的动力输出到所述驱动轮，
根据对所述车辆的减速要求，所述车辆控制装置执行停止向所述内燃机供给燃料的燃料切断控制，
在执行所述燃料切断控制的过程中，所述车辆控制装置能够预先接合所述锁止离合器并且打开所述车辆的节气门，
在执行所述燃料切断控制的过程中并接合所述锁止离合器且打开所述节气门时，若存在对所述车辆的加速要求，则所述车辆控制装置关闭所述节气门并且执行所述马达辅助，
在关闭所述节气门后，当所述内燃机的进气压为规定的可起动负压时，所述车辆控制装置结束所述燃料切断控制并重新开始向所述内燃机供给燃料，
在重新开始向所述内燃机供给燃料时，所述车辆控制装置分离所述锁止离合器。
2.根据权利要求1所述的车辆控制装置，其中，
从由所述内燃机以及所述电动机构成的动力设备输出的动力设备扭矩在曲轴的轴端的扭矩为曲轴端扭矩，所述车辆控制装置能够基于针对曲轴端扭矩的目标扭矩来控制所述内燃机的输出以及所述电动机的输出，
所述车辆控制装置执行所述马达辅助，以利用从所述电动机输出的马达扭矩填补根据所述加速要求而增加的所述目标扭矩。
3.根据权利要求1或2所述的车辆控制装置，其中，
在伴随着重新开始向所述内燃机供给燃料而分离所述锁止离合器之后，当所述加速要求消失时，所述车辆控制装置接合所述锁止离合器。
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