CN110745005A - 用于对在车辆的滑行运行中由电机产生的电功率进行优化的装置和方法 - Google Patents
用于对在车辆的滑行运行中由电机产生的电功率进行优化的装置和方法 Download PDFInfo
- Publication number
- CN110745005A CN110745005A CN201910660784.3A CN201910660784A CN110745005A CN 110745005 A CN110745005 A CN 110745005A CN 201910660784 A CN201910660784 A CN 201910660784A CN 110745005 A CN110745005 A CN 110745005A
- Authority
- CN
- China
- Prior art keywords
- torque
- ges
- vehicle
- total
- threshold value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 46
- 230000006870 function Effects 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- WUPRCGRRQUZFAB-DEGKJRJSSA-N corrin Chemical compound N1C2CC\C1=C\C(CC/1)=N\C\1=C/C(CC\1)=N/C/1=C\C1=NC2CC1 WUPRCGRRQUZFAB-DEGKJRJSSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Images
Classifications
-
- 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
- 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
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18072—Coasting
-
- 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
- B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
- B60L7/26—Controlling the braking effect
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/10—Indicating wheel slip ; Correction of wheel slip
-
- 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
- B60L7/18—Controlling the braking 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
- 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
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
- B60W30/18127—Regenerative braking
-
- 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
- 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
- B60W30/18172—Preventing, or responsive to skidding of wheels
-
- 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
- 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
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/24—Coasting mode
-
- 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
- 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
- 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
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18072—Coasting
- B60W2030/1809—Without torque flow between driveshaft and engine, e.g. with clutch disengaged or transmission in neutral
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/26—Wheel slip
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
本发明涉及一种用于对在车辆的滑行运行中由电机(13)产生的电功率进行优化的装置,包括用于计算总回收力矩(MR,ges)或与之成比例的参量的模块(1),在总回收力矩或参量的基础上以发电机运行模式来运行电机(13)。所述模块(1)如此设立而成,使得其至少执行以下功能:将在车辆的至少一个车轮上存在的车轮滑移(S)与预先给定的阈值(SW)进行比较;如果所获取的车轮滑移(S)小于预先给定的阈值(SW),就将总回收力矩(MR,ges)降低小的量(‑ΔMR);并且如果所获取的车轮滑移(S)大于预先给定的阈值(SW)时,就将总回收力矩(MR,ges)提高小的量(+ΔMR);其中在具有多个相继的迭代步骤的迭代方法中执行总回收力矩(MR,ges)的降低或者提高。
Description
技术领域
本发明涉及用于对在车辆的滑行运行中由电机产生的电功率进行优化的装置和方法,包括用于计算总回收力矩或与之成比例的参量的模块,在所述总回收力矩或者参量的基础上以发电机运行模式来运行所述电机。
背景技术
已知的具有电驱动装置的车辆、像比如纯电动车或混合动力车通常包括回收***,在车辆减速时能够用所述回收***又能够收回一部分动能(回收)。在回收期间,以发电机运行模式来运行电驱动装置或电机,并且因此能够将在车辆减速时释放出来的动能转换成电能。所获得的电能被储存在电蓄能器、像比如车辆的电池中并且而后能够在其它行驶情况中又用于驱动车辆或者用于向电负载供电。所述回收尤其改进了车辆的效率,因为还只有减速的较小的余下的份额被行车制动器转换成损耗热量。
在回收制动时,电机产生拖动力矩,该拖动力矩对车辆的车轮起制动作用。在危急的行驶条件下、像如在车行道结冰或者被雨淋湿时,这可能导致以下情况,即:一个或多个车轮上的车轮滑移提高并且车辆陷于不稳定的极限情况中,所述不稳定的极限情况需要车辆稳定性程序(ESP)的干预。因此,为了防止这种情况,对于传统的回收***来说,由电机施加的拖动力矩宁可被设定到保守的低值。然而,由此在绝大多数行驶情况下仅仅部分地利用了最大可能的回收程度。所期望的车辆减速的其余份额由行车制动器来提供,这当然会有损***的效率。
发明内容
因此,本发明的任务是,改进用于回收电能的回收***的效率。
该任务按照本发明通过在权利要求1中所说明的特征得到解决。本发明的另外的设计方案由从属权利要求中得出。
根据本发明提出一种用于对在车辆的滑行运行中由电机产生的电功率进行优化的装置,包括用于计算总回收力矩或者与之成比例的参量的模块,在所述总回收力矩或者参量的基础上以发电机运行模式来运行所述电机。所述模块在此如此设立而成,使得其至少执行以下功能:
-将在车辆的至少一个车轮上存在的车轮滑移与预先给定的阈值进行比较;
-如果所获取的车轮滑移小于预先给定的阈值,就将总回收力矩降低(或者按照量值提高)小的量(注:总回收力矩是小于零的值,因而在将其降低时它按照量值会变大);并且
-如果所获取的车轮滑移大于预先给定的阈值,就将总回收力矩提高(或者按照量值降低)小的量;
其中在具有多个相继的迭代步骤的迭代方法中执行总回收力矩的降低或提高。
根据本发明的一种优选的实施方式,所述模块获取所谓的允许的回收力矩,该回收力矩形成用于计算总回收力矩的基础。允许的回收力矩比如能够根据不同的行驶状态参量由特性曲线族来获取或者如在现有技术中常见的那样通过算法来计算。
根据本发明,所述模块从在各个迭代步骤中所获取的降低量或提高量中获取累积的校正值,而后用该校正值对允许的回收力矩进行校正,以用于从中确定所提到的总回收力矩。
各个降低量能够全部一样大或者能够根据行驶情况、像比如车辆的速度、车轮滑移的大小或者其他参数而不一样大。这同样也适用于所述提高量。出于安全原因,降低量优选按照量值来选择得大于提高量。
在车辆的滑行阶段中最后计算的累积的校正值优选得到保存并且而后形成用于在车辆的随后的新的滑行阶段中对允许的回收力矩进行校正的起始值。
根据本发明,总回收力矩比如能够通过允许的回收力矩和校正值的相加来获取。最后还能够对结果进行进一步处理。
所提到的按本发明的模块优选与用于对电机进行操控的控制电子装置、像比如从现有技术中已知的逆变器相连接。
本发明也涉及一种用于对在车辆的滑行运行中由电机产生的电功率进行优化的方法,其中在所述方法的范围内计算总回收力矩或者与之成比例的参量,在所述总回收力矩或者参量的基础上以发电机运行模式来运行所述电机。根据本发明,所述方法至少包括以下步骤:
-将在车辆的至少一个车轮上存在的车轮滑移与预先给定的阈值进行比较;
-如果所获取的车轮滑移小于预先给定的阈值,就将总回收力矩降低(或者按照量值提高)小的量;并且
-如果所获取的车轮滑移大于预先给定的阈值,就将总回收力矩提高(或者按照量值降低)小的量;
其中在具有多个相继的迭代步骤的迭代方法中执行总回收力矩的降低或提高。
根据本发明,如果车辆稳定性程序在起作用,就中断所述方法并且设定其它的总回收力矩。
附图说明
下面借助于附图来示范性地对本发明进行详细解释,其中:
图1示出了用于在车辆的滑行运行中回收电能的***的示意图。
具体实施方式
图1示出了用于在车辆的滑行运行中回收电能的***的示意图。车辆包括电机13,该电机在车辆的滑行阶段中以发电机运行模式来运行并且将在车辆减速时释放出来的动能的一部分转换成电能。电机13以发电机运行模式产生拖动力矩,所述拖动力矩对一个或多个与其连接的车轮起制动作用。
由电机13施加的拖动力矩的大小由功率电子装置12设定。为了调节电机13,功率电子装置12比如能够改变电机13的励磁电压或者电流与电压之间的相位角。用于改变电机的按发电机方式的功率的不同的方法足以从现有技术中为人所知。
功率电子装置12在其输入端处与用于对由电机13产生的电功率进行优化的模块1相连接。所提到的模块1在其输出端处输出总回收力矩MR,ges或与之成比例的参量,所述参量代表着总回收力矩MR,ges并且而后在所述参量的基础上设定电机13的按发电机方式的功率。
模块1比如能够是任何控制器或其他的控制单元,在所述控制器或者控制单元上处理软件,所述软件获取前面所提到的总回收力矩MR,ges。
在图1所示出的实施方式中,总回收力矩MR,ges原则上如下获取:首先预先给定所谓的允许的回收力矩MR,zul,该回收力矩形成用于后来计算总回收力矩MR,ges的基础。允许的回收力矩MR,zul例如能够通过特性曲线族5来预先给定,该特性曲线族考虑到不同的行驶状态参量、像比如在变速器输出端上存在的转速nG、车轮转速n车轮、环境条件、像比如温度或湿度等。借助于特性曲线族5所获取的允许的回收力矩MR,zul通过在迭代方法中不断地重新计算的校正值ΔMR,korr来校正。
在所示出的实施例中,在节点6处将允许的回收力矩MR,zul和累积的校正值ΔMR,korr相加。而后将结果乘以因子-1(方框7),以用于获得关于符号物理上正确的总回收力矩MR,ges。乘法器示意性地用附图标记8来表示。
在方框9中检查,车辆是否处于滑行运行中。只要驾驶员操纵加速踏板FP,相应的由驾驶员在加速踏板FP上预先给定的驾驶员期望力矩由方框10来输出。如果驾驶员没有操纵加速踏板FP并且车辆因此处于滑行运行中,方框10就输出先前计算的总回收力矩。对于车辆稳定性程序(ESP)在起作用这种情况来说,在接下来的节点11处在由方框10输出的力矩上还要添加由车辆稳定性程序ESP所要求的力矩。而后将所产生的参量输送给逆变器12,该逆变器相应地调节电机13。
前面所提到的校正值ΔMR,korr被加到允许的回收力矩MR,zul上,所述校正值是累积的(正)值,该值在迭代方法中获取并且在每个迭代步骤中重新计算并且保存。所述校正值ΔMR,korr在所示出的实施例中同样是正值并且基本上如下获取:在步骤2中比较,在至少一个车轮上存在的车轮滑移是否大于预先给定的阈值SW或者车辆稳定性程序ESP是否在起作用。如果满足了所述两个条件之一,就输出小的降低值-ΔMR,该降低值而后由学习算法4来处理,所述学习算法从先前的校正值ΔMR,korr和所述降低值-ΔMR中获取新的校正值ΔMR,korr。如果车辆处于滑行运行中并且例如出现车轮滑移,则将校正值ΔMR,korr每时间增量比如减少一定量。一直这样做,直到车轮滑移变得小于阈值SW。
在步骤3中比较,在至少一个车轮上存在的车轮滑移S是否小于预先给定的阈值SW并且同时是否切断了车辆稳定性程序ESP。如果满足这两个条件,就输出小的提高值+ΔMR,该提高值而后由学习算法4来处理,所述学习算法又从先前的校正值ΔMR,korr和提高值+ΔMR中获取新的校正值ΔMR,korr。如果车辆处于滑行运行中并且没有出现车轮滑移S,则将校正值ΔMR,korr每时间增量比如提高相应的量。一直这样做,直到出现比阈值SW大的车轮滑移S。因此,车辆减速的按发电机方式的份额连续地变大,并且行车制动器的份额相应地变小,由此能够提高车辆的效率。
在车辆的滑行阶段之内的最后累积的校正值ΔMR,korr由学习算法4优选作为新的校正值ΔMR,korr根据运行点加以保存。在车辆的新的滑行阶段中,能够将最后保存的校正值ΔMR,korr用作用于对总回收力矩MR,ges进行校正的新的起始值。
Claims (8)
1.用于对在车辆的滑行运行中由电机(13)产生的电功率进行优化的装置,包括用于计算总回收力矩(MR,ges)或与之成比例的参量的模块(1),而后在所述总回收力矩或参量的基础上以发电机运行模式来运行所述电机(13),其特征在于,
所述模块(1)如此设立而成,使得其至少执行以下功能:
-将在所述车辆的至少一个车轮上存在的车轮滑移(S)与预先给定的阈值(SW)进行比较;
-如果所获取的车轮滑移(S)小于预先给定的阈值(SW),就将所述总回收力矩(MR,ges)降低小的量(-ΔMR);并且
-如果所获取的车轮滑移(S)大于预先给定的阈值(SW),就将所述总回收力矩(MR,ges)提高小的量(+ΔMR);
其中在具有多个相继的迭代步骤的迭代方法中执行所述总回收力矩(MR,ges)的降低或者提高。
2.根据权利要求1所述的装置,其特征在于,所述模块(1)从在各个迭代步骤中所获取的降低值或提高值(-ΔMR、+ΔMR)中获取校正值(ΔMR,korr),用所述校正值来校正预先给定的允许的回收力矩(MR,zul)并且获取所提到的总回收力矩(MR,ges)。
3.根据权利要求1或2所述的装置,其特征在于,在所述车辆的第一滑行阶段中保存所获取的允许的回收力矩(ΔMR,korr)并且在随后的滑行阶段中将其用作用于对总回收力矩(MR,ges)进行校正的起始值。
4.根据权利要求2所述的装置,其特征在于,所述模块(1)通过所述允许的回收力矩(MR,zul)和所述校正值(ΔMR,korr)的相加来获取所述总回收力矩(MR,ges)。
5.根据权利要求2所述的装置,其特征在于,根据不同的行驶状态参量来获取所述允许的回收力矩(MR,zul)。
6.根据前述权利要求中任一项所述的装置,其特征在于,所述模块(1)与用于对所述电机(13)进行操控的控制电子装置相连接。
7.用于对在车辆的滑行运行中由电机(13)产生的电功率进行优化的方法,其中在所述方法的范围内计算总回收力矩(MR,ges)或与之成比例的变量,在所述总回收力矩或者参量的基础上以发电机运行模式来运行所述电机(13),其特征在于以下步骤:
-将在所述车辆的至少一个车轮上存在的车轮滑移(S)与预先给定的阈值(SW)进行比较;
-如果所获取的车轮滑移(S)小于预先给定的阈值(SW),就将所述总回收力矩(MR,ges)降低小的量(-ΔMR);并且
-如果所获取的车轮滑移(S)大于预先给定的阈值(SW),就将所述总回收力矩(MR,ges)提高小的量(+ΔMR);
其中在具有多个相继的迭代步骤的迭代方法中执行所述总回收力矩(MR,ges)的降低或者提高。
8.根据权利要求7所述的方法,其特征在于,如果车辆稳定性程序(ESP)起作用,就中断所述方法并且设定其它的回收力矩。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018212200.8A DE102018212200A1 (de) | 2018-07-23 | 2018-07-23 | Vorrichtung und Verfahren zur Optimierung der von einer elektrischen Maschine im Schubbetrieb eines Fahrzeugs erzeugten elektrischen Leistung |
DE102018212200.8 | 2018-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110745005A true CN110745005A (zh) | 2020-02-04 |
Family
ID=69148350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910660784.3A Pending CN110745005A (zh) | 2018-07-23 | 2019-07-22 | 用于对在车辆的滑行运行中由电机产生的电功率进行优化的装置和方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20200023848A1 (zh) |
CN (1) | CN110745005A (zh) |
DE (1) | DE102018212200A1 (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030230933A1 (en) * | 2002-06-17 | 2003-12-18 | Ford Motor Company | Control of regenerative braking during a yaw stability control event |
US6691013B1 (en) * | 2002-09-06 | 2004-02-10 | Ford Motor Company | Braking and controllability control method and system for a vehicle with regenerative braking |
US20110276245A1 (en) * | 2010-05-06 | 2011-11-10 | Gm Global Technology Operations, Inc. | Method for operating a vehicle brake system |
CN104494599A (zh) * | 2014-01-30 | 2015-04-08 | 比亚迪股份有限公司 | 车辆及其的滑行回馈控制方法 |
CN104924913A (zh) * | 2014-03-18 | 2015-09-23 | 通用汽车环球科技运作有限责任公司 | 将具有再生制动***的车辆的减速度正常化 |
DE102014108083A1 (de) * | 2014-06-06 | 2015-12-17 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Bremsregelverfahren für ein Fahrzeug |
CN105339229A (zh) * | 2013-07-08 | 2016-02-17 | 大众汽车有限公司 | 用于运行机动车的控制***和方法 |
JP2018098905A (ja) * | 2016-12-13 | 2018-06-21 | 日産自動車株式会社 | 電動車両の制動制御方法、及び電動車両の制御装置 |
-
2018
- 2018-07-23 DE DE102018212200.8A patent/DE102018212200A1/de not_active Withdrawn
-
2019
- 2019-07-17 US US16/514,305 patent/US20200023848A1/en not_active Abandoned
- 2019-07-22 CN CN201910660784.3A patent/CN110745005A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030230933A1 (en) * | 2002-06-17 | 2003-12-18 | Ford Motor Company | Control of regenerative braking during a yaw stability control event |
US6691013B1 (en) * | 2002-09-06 | 2004-02-10 | Ford Motor Company | Braking and controllability control method and system for a vehicle with regenerative braking |
US20110276245A1 (en) * | 2010-05-06 | 2011-11-10 | Gm Global Technology Operations, Inc. | Method for operating a vehicle brake system |
CN105339229A (zh) * | 2013-07-08 | 2016-02-17 | 大众汽车有限公司 | 用于运行机动车的控制***和方法 |
CN104494599A (zh) * | 2014-01-30 | 2015-04-08 | 比亚迪股份有限公司 | 车辆及其的滑行回馈控制方法 |
CN104924913A (zh) * | 2014-03-18 | 2015-09-23 | 通用汽车环球科技运作有限责任公司 | 将具有再生制动***的车辆的减速度正常化 |
DE102014108083A1 (de) * | 2014-06-06 | 2015-12-17 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Bremsregelverfahren für ein Fahrzeug |
JP2018098905A (ja) * | 2016-12-13 | 2018-06-21 | 日産自動車株式会社 | 電動車両の制動制御方法、及び電動車両の制御装置 |
Also Published As
Publication number | Publication date |
---|---|
DE102018212200A1 (de) | 2020-01-23 |
US20200023848A1 (en) | 2020-01-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3050765B1 (en) | Control device for electric vehicle | |
KR102518238B1 (ko) | 차량의 코스트 리젠 토크 적용 방법 | |
US11192452B2 (en) | Electric vehicle braking system, method, controller and computer program product | |
US11364806B2 (en) | Control apparatus for electric vehicle, control system for electric vehicle, and control method for electric vehicle | |
US7216943B2 (en) | Hybrid vehicle | |
JP4002279B2 (ja) | 車両のトラクション制御装置 | |
WO2017204043A1 (ja) | 車両の旋回制御装置 | |
US10128780B2 (en) | Method and system for controlling the regenerative braking of a vehicle | |
CN110816281B (zh) | 用于车辆回收式制动控制的控制单元、装置和方法 | |
US11161418B2 (en) | Control device of electric vehicle | |
US11186283B2 (en) | Control apparatus for electric vehicle, control system for electric vehicle, and control method for electric vehicle | |
CN111137139B (zh) | 电动车辆 | |
JP5012351B2 (ja) | 駆動制御装置 | |
CN110799397B (zh) | 车辆控制装置、车辆控制***和车辆控制方法 | |
US20080303465A1 (en) | Drive control system of an electric vehicle | |
CN110745005A (zh) | 用于对在车辆的滑行运行中由电机产生的电功率进行优化的装置和方法 | |
JP4992331B2 (ja) | 車両のスリップ制御装置 | |
JP4281580B2 (ja) | 回生制動制御装置 | |
JP4812355B2 (ja) | 車輪スリップ抑制制御装置 | |
JP2019041553A (ja) | 車両の制御装置、車両の制御システムおよび車両の制御方法 | |
JP2006280099A (ja) | 自動車およびその制御方法 | |
CN113459825B (zh) | 驱动马达控制装置和驱动马达控制方法 | |
JP7359318B2 (ja) | 駆動力制御方法及び駆動力制御装置 | |
CN117301868A (zh) | 车辆制动力分配方法、装置和车载控制器 | |
CN111873984A (zh) | 用于运行机动车辆的方法和设备、机动车辆 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |