CN102112352B - 自动换档*** - Google Patents
自动换档*** Download PDFInfo
- Publication number
- CN102112352B CN102112352B CN200980130861.9A CN200980130861A CN102112352B CN 102112352 B CN102112352 B CN 102112352B CN 200980130861 A CN200980130861 A CN 200980130861A CN 102112352 B CN102112352 B CN 102112352B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- neutral gear
- gear
- automatically
- perch
- 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.)
- Active
Links
- 230000007935 neutral effect Effects 0.000 claims abstract description 78
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 7
- 241000269799 Perca fluviatilis Species 0.000 claims 8
- 230000006870 function Effects 0.000 description 14
- 230000008569 process Effects 0.000 description 5
- 230000004913 activation Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/115—Stepped gearings with planetary gears
-
- 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
- B60W30/18054—Propelling the vehicle related to particular drive situations at stand still, e.g. engine in idling state
-
- 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
-
- 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
- B60W30/18118—Hill holding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/20—Preventing gear creeping ; Transmission control during standstill, e.g. hill hold control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/50—Signals to an engine or motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/06—Hill holder; Start aid systems on inclined road
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
- B60T2220/04—Pedal travel sensor, stroke sensor; Sensing brake request
-
- 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
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
-
- 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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
-
- 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
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
-
- 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
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
- B60W2710/065—Idle condition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/60—Inputs being a function of ambient conditions
- F16H59/66—Road conditions, e.g. slope, slippery
- F16H2059/663—Road slope
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/168—Forced shifts into neutral for safety reasons, e.g. in case of transmission failure or emergency braking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/20—Preventing gear creeping ; Transmission control during standstill, e.g. hill hold control
- F16H2061/205—Hill hold control, e.g. with torque converter or a friction device slightly engaged to keep vehicle stationary
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2312/00—Driving activities
- F16H2312/04—Holding or hillholding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
- F16H59/54—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Transmission Device (AREA)
- Regulating Braking Force (AREA)
Abstract
在用于机动车辆的自动切换至空档的方法和***中,车辆设有通过控制单元控制的自动变速箱。当自动地切换至空档时,感测到脚制动踏板被致动。还确定了车辆是否将接合空档保持在静止位置。如果已经确定车辆将接合空档保持在静止位置,那么在脚制动踏板被致动时能够自动换挡至空档。
Description
技术领域
本发明涉及一种用于自动换档控制的方法和***。特别地,本发明涉及一种用于自动换档至空档的方法和***。
背景技术
重型卡车可以用于多种不同的目的。因此已经开发了专用卡车以应付不同用户的不同需求。一些卡车用于需要大量起动和停止的工作。典型地,用于配给、垃圾收集以及在建筑物多的地区中进行其它类型运送工作的卡车要大量的起动和停止。
垃圾收集车辆(RCV)通常进行大量的起动和停止并且提高发动机速度以压缩它们获得的垃圾。为了允许高的发动机速度而不损坏自动变速箱的转换器,有必要接合空档。因此在进行大量的起动和停止时,如果驾驶员不必在每次车辆停止时都手动换档,那么将会是便利的。
为了解决所述问题,可以使传统的RCV支持一种自动空档,其通过使用在应用驻车制动器时有效的信号被控制。利用所述应用方案,当驾驶员应用驻车制动器时该功能接合空档。只要驻车制动器被应用,变速箱就保持在空档。当驻车制动器被释放或齿轮选择器的位置被改变时,变速箱再次通过齿轮选择器被控制。
然而这种解决方案典型地需要手动工作并且当每次停止和起动驾驶员都使用驻车制动器控制变速箱时耗费掉大量的空气。当应用驻车制动器时来自制动阀的空气压力被释放,而当释放驻车制动器时制动阀再次被充满空气。车辆具有包含压缩空气的空气罐。如果空气压力被耗费,那么驻车制动器不能被释放。空气罐然后再次被自动地填充,但是仍然引起不利的停止和延迟。
因此需要一种改进的***和方法,以用于自动地接合脱离空档。
发明内容
本发明的一个目的是提供一种方法和一种***,以提供提高的自动空档功能性。
本发明的一个目的是提供一种方法和一种***,以检验自动空档功能性的安全控制。
本发明的另一个目的是提供一种方法和一种***,以实现结合自动档位功能性的发动机控制。
本发明的另一个目的是提供一种方法和一种***,以减少或消除在切换至空档时需要的大量手动工作任务。
以上目的中的至少一个通过如所附权利要求所述的方法获得因此,本发明涉及一种方法和***,其用于自动切换至机动车辆的空档。车辆设有通过控制单元控制的自动变速箱。当自动切换至空档时,感测到脚制动踏板被致动。确定车辆是否将接合空档保持在静止位置。如果已经确定车辆将接合空档保持在静止位置,那么在脚制动踏板被致动时能够自动换挡至空档。
因此根据本发明支持一种功能,其使用脚制动踏板支持自动空档控制。这将解决并不总是适于在每次停止时接合驻车制动器的问题。
此外本发明解决了在车辆处于上坡位置时发生危险的问题。由此根据本发明的一个实施方式,如果驾驶员在上坡中释放制动踏板,那么车辆不会开始向后滑跑。由此,使用基于制动踏板的自动空档的一个问题是当车辆位于上坡(或下坡)中时向后滑跑的危险。当驾驶员利用制动踏板控制变速箱时,它必须松开制动踏板以使得档位能够被接合。这样接合空档可能使得车辆向后滑跑。向后滑跑不仅将是危险的,而且还将阻止变速箱接合档位。
通过仅仅在已经确定滑跑可以被有效地阻止的情况下才允许自动切换至空档,所述问题通过本发明被解决。
根据一个实施方式,需要一种主动的电子制动控制来确保制动器被接合并且持续地保持住车辆,以便允许自动地执行到空档的切换。在另一个实施方式中,在允许自动切换至空档之前,道路的坡度被检查。由此,根据本发明,如果车辆处于向后滑跑的危险中,***将不允许空档被自动接合。
在另一个实施方式中,使用一种电子发动机控制器来确保在空档已经自动接合之后允许接合档位。因此避免了高于使变速箱允许接合档位的阈值的发动机速度。另外,依据车辆是运动还是静止可以允许不同的发动机速度。这将解决在使用自动空档时出现的高发动机速度阻止变速箱接合档位的问题。例如,由于油门踏板被驾驶员压下而产生的高发动机速度或者发动机速度的远距控制取决于车辆是运动还是静止。
本发明还延伸涉及一种运用如上所述的方法和***的计算机程序。
附图说明
现在将通过非限制性示例并且参考附图更详细地描述本发明,其中:
-图1是机动车辆的自动换挡***的一般性局部视图,以及
-图2是示出了在切换至空档时在控制程序中所执行的步骤的流程图。
具体实施方式
在图1中示意性地示出了机动车辆10的示例性的换档***100的一部分。在图1中示出的***100例如可以被设计为卡车或任何其它重型车辆的一部分并且包括变速箱101。图1中的示例性自动变速箱101通过呈电子控制单元(ECU)106形式的计算机被控制。ECU 106典型地还与发动机连接以控制发动机。另外设置为与发动机联系的传感器提供传感器信号至ECU 106。特别地,控制单元106可以与用于确定车辆所处道路的坡度的坡度传感器102连接。电子控制单元106还能够从自动制动***103接收数据,所述自动制动***103例如为设置在车辆10中的斜坡保持功能部。
使用来自发动机的传感器信号以及从发动机位于其中的机动车辆的其它部分提供的其它信号,ECU 106使用一些程序化计算机指令或类似方式执行对变速箱101和发动机的控制。典型地,程序化计算机指令被提供为呈计算机程序产品110的形式,其储存在可读数字存储介质108上,例如存储卡、只读存储器(ROM)、随机存取存储器(RAM)、EPROM、EEPROM或闪速存储器。
在图2中示出了在执行对变速箱的控制时在控制程序中所执行的步骤的流程图。根据本发明,可以程序化设定通过制动踏板自动接合空档。为了确保车辆不在空档已经接合之后开始滑跑,空档仅仅在已经基于由***检查的一个或多个标准确定车辆不能开始滑跑的情况下才被接合。
根据一个实施方式,驾驶员需要持续地自动保持的制动器的电子制动控制,以便能够启动一个自动执行切换到空档的模式。例如所谓的斜坡保持功能块可用于确保在制动踏板被释放而档位还没有被检验以待应用时车辆不开始滑跑。在另一个实施方式中,在允许自动切换至空档之前,道路的坡度被检查。因此如果车辆处于向后滑跑的危险中,那么变速箱将不会允许空档被自动接合,由此提供了安全的自动***以用于响应于致动脚制动器而切换至空档。
自动换挡至空档可以被程序化为以定制的方式接合,以适应于任何特定类型的驾驶(或驱动)方式。例如所述功能块可以被设定为只有当向前行驶或者双向、即向前/向后行驶时才接合空档。在一个实施方式中,***可以被程序化为在制动踏板被释放之后,或者如果驾驶员在空档已经自动接合之后必须使用齿轮选择器再选择档位时,自动地重新接合档位。在一个实施方式中,在空档可以被自动接合之前,车辆必须完全停止。
下面描述了说明本发明的一种可能用途的示例性情形。
首先,驾驶员可以通过开启自动空档功能而启动用于自动空档功能的交互作用,以及可能还有例如为斜坡保持功能的自动制动功能。开启自动空档可以与启动其它功能性、例如选择″收集垃圾模式″并行地执行。由此如果例如为收集垃圾模式的特定模式启动,那么自动空档功能被自动选择。例如为斜坡保持的自动制动功能可以使用车辆仪表板中的开关被启动,或者可以在自动空档功能被选择时自动开启。当机动车辆使得自动空档功能性开启时,如果需要的话,控制***可以适于将发动机控制到比例如在车辆行驶时车辆以传统模式运行的情况高的空转速度。
当处于选择自动空档的模式下时,驾驶员通过压下制动踏板到足以使车辆停止运动而停车。当已经确定自动制动斜坡保持处于启动状态并且保持车辆处于静止位置时,变速箱被控制以接合空档。在空档被接合之前,发动机速度处于高空转下以旋转转换器从摩擦产生热量。当空档被接合时,***可以控制发动机至较高的发动机速度,其高于高空转速度,以允许车身液压提高流量、即工作得更快,如果控制***被配置为支持这样的状态的话。当其启动时,驾驶员从仪表组获得反馈,其通知驾驶员空档被自动接合。当驾驶员想要离开时制动踏板被释放并且档位被接合。在档位接合的过程中,通过使脚油门踏板无效阻止了高发动机速度,然后发动机速度降低至高空转速度。当变速箱信号显示档位将接合或被接合时,脚油门踏板被开启并且驾驶员能够再次控制发动机速度和使车辆向前运动。
在图2中一流程图示出了在自动切换至空档时在控制程序中所执行的步骤。首先,在步骤201中确定脚制动器被致动。如果脚制动器被致动则过程继续到步骤203。在步骤203中检查是否可安全地自动接合空档。步骤203中的检查可以包括多个不同的任务,例如为检查自动制动***被启动和/或检查车辆处于水平地面上和/或检查车辆完全停止不动。必须满足以便于允许自动切换至空档的所述标准可以对于不同的应用环境而不同,并且如果需要的话车身制造厂可以对于不同的车辆不同地配置所述标准。如果基于用于特定车辆的标准确定过程继续到步骤205,在其中空档被自动接合。否则如果在步骤203中确定自动切换到空档并不安全,那么过程返回至步骤201。
并且,如上所述,在此所描述的***可以被程序化为在空档已经自动接合情况下不同地控制发动机速度。当处于空档被接合的静止状态下时,发动机速度可以被设定在比在空档未接合的运动状态下高的设定速度。例如,当处于静止状态时,发动机速度可以设定在与例如为800rpm的处于传动线路接合的运动状态下时的速度相比更高的空转转速,例如1400rpm。并且,只要变速箱信号显示档位不被接合,油门踏板就无效,以抑制发动机速度高于档位待接合的阈值。
为了允许换档改变发动机速度,在所述示例中,其必须低于预定最高空转速度,例如为900rpm。功能块使油门踏板无效并且降低发动机速度至低于最高空转速度、在所述示例中给定为900rpm,直到进行换档。然后齿轮被接合并且油门踏板被开启,以使得驾驶员可以利用对油门踏板的控制继续驾驶。
使用在此描述的方法和***,进行许多起动和停止的机动车辆将更容易驾驶,因为车辆的手动操作更少。***将安全和可靠地允许,因为有所述电子制动器和发动机控制。通过对确定自动空档何时以及怎样被开启的参数进行配置,对于任何类型的专用车辆,车身制造厂都可以容易地定制***。
Claims (11)
1.一种机动车辆(10)的用于自动切换至空档的方法,所述机动车辆(10)设有通过控制单元(106)控制的自动变速箱(101),其特征在于,所述方法包括以下步骤:
-感测脚制动踏板(201)的致动,
-确定车辆可以被保持在用于自动接合空档的安全位置的步骤(203),其包括确定车辆将接合空档保持在静止位置的步骤,以及
-如果已经确定车辆将接合空档保持在静止位置,那么当已经感测到脚制动踏板被致动时自动切换至空档,
-当切换至空档后提高发动机空转速度,以及
-只要变速箱信号显示档位不被接合,就使油门踏板无效,以抑制发动机速度高于待接合档位的阈值。
2.根据权利要求1所述的方法,其特征在于,确定车辆可以被保持在用于自动接合空档的安全位置的步骤(203)包括检查电子制动控制器被开启和保持车辆停止的步骤。
3.根据权利要求2所述的方法,其特征在于,所述电子制动控制器是具有斜坡保持功能的***。
4.根据权利要求1-3中的任一项所述的方法,其特征在于,确定车辆可以被保持在用于自动接合空档的安全位置的步骤(203)包括检查车辆位于水平地面上的步骤。
5.根据权利要求1所述的方法,其特征在于,确定车辆可以被保持在用于自动接合空档的安全位置的步骤(203)包括检查车辆处于完全停止状态的步骤。
6.一种机动车辆(10)的用于自动地切换至空档的控制***(100),所述机动车辆(10)设有通过控制单元(106)控制的自动变速箱(101),其特征在于,所述控制***包括:
-用于感测脚制动踏板的致动的装置,
-用于确定车辆可以保持在用于自动接合空档的安全位置的装置,该装置用于确定车辆将接合空档保持在静止位置,
-如果已经确定车辆将接合空档保持在静止位置,那么当已经感测到脚制动踏板被致动时自动切换至空档的装置,
-用于在切换至空档后提高发动机空转速度的装置,以及
-只要变速箱信号显示档位不被接合就使油门踏板无效以抑制发动机速度高于待接合档位的阈值的装置。
7.根据权利要求6所述的控制***,其特征在于,所述***包括用于检查电子制动控制器(103)被开启并且保持车辆停止的装置,其与用于确定车辆可以保持在用于自动接合空档的安全位置的装置连接。
8.根据权利要求7所述的控制***,其特征在于,所述电子制动控制器是具有斜坡保持功能的***。
9.根据权利要求6-8中的任一项所述的控制***,其特征在于,所述控制***包括用于检查车辆位于水平地面上的装置,其与确定车辆可以保持在用于自动接合空档的安全位置的装置连接。
10.根据权利要求6所述的控制***,其特征在于,所述***包括用于检查车辆处于完全停止状态的装置,其与确定车辆可以保持在用于自动接合空档的安全位置的装置连接。
11.一种机动车辆(10),其包括根据权利要求6-10中的任一项所述的控制***。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0801783-2 | 2008-08-12 | ||
SE0801783A SE533174C2 (sv) | 2008-08-12 | 2008-08-12 | Automatiskt växlingssystem |
PCT/SE2009/050824 WO2010019093A1 (en) | 2008-08-12 | 2009-06-29 | Automated gear shifting system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102112352A CN102112352A (zh) | 2011-06-29 |
CN102112352B true CN102112352B (zh) | 2014-11-12 |
Family
ID=41669080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980130861.9A Active CN102112352B (zh) | 2008-08-12 | 2009-06-29 | 自动换档*** |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2323883B1 (zh) |
CN (1) | CN102112352B (zh) |
BR (1) | BRPI0911725A2 (zh) |
HK (1) | HK1157293A1 (zh) |
RU (1) | RU2467898C2 (zh) |
SE (1) | SE533174C2 (zh) |
WO (1) | WO2010019093A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102887148B (zh) * | 2012-09-25 | 2016-07-13 | 三一重工股份有限公司 | 电控液压换向方法、***及工程机械 |
US9995232B2 (en) * | 2016-07-19 | 2018-06-12 | Ford Global Technologies, Llc | Method and system for operating an engine start-stop system in a vehicle |
US10308251B2 (en) * | 2017-08-14 | 2019-06-04 | Ford Global Technologies, Llc | Transmission engagement control system |
CN110217215A (zh) * | 2019-04-09 | 2019-09-10 | 丰疆智能科技股份有限公司 | 具有自动制动功能的智能收割机及其制动方法 |
DE102020211792A1 (de) | 2020-09-21 | 2022-03-24 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Betrieb einer Fahrzeugbedienvorrichtung und Fahrzeugbedienvorrichtung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3667629A (en) * | 1971-02-16 | 1972-06-06 | Francis X La Voie | Control and power apparatus for operating trash collection vehicle packers |
US5052531A (en) * | 1989-08-23 | 1991-10-01 | Mazda Motor Corporation | Neutral control device of automatic transmission |
GB2337137A (en) * | 1998-05-07 | 1999-11-10 | Specialist Vehicles Limited | Refuse vehicle engine control |
EP1667924B1 (en) * | 2003-09-22 | 2007-09-05 | Oshkosh Truck Corporation | Refuse vehicle control system and method |
CN101187422A (zh) * | 2006-11-24 | 2008-05-28 | 丰田自动车株式会社 | 车辆控制设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2027615C1 (ru) * | 1991-06-06 | 1995-01-27 | Ставропольский политехнический институт | Регулятор скорости транспортной машины |
JP2876110B2 (ja) * | 1995-05-12 | 1999-03-31 | アイシン・エィ・ダブリュ株式会社 | 自動変速機の制御装置 |
JP4257019B2 (ja) * | 2000-05-25 | 2009-04-22 | 本田技研工業株式会社 | 車両用自動変速機の制御装置 |
JP2001349424A (ja) * | 2000-06-06 | 2001-12-21 | Mitsubishi Electric Corp | 自動ニュートラル化制御付自動変速機制御装置 |
US6411881B1 (en) * | 2001-08-10 | 2002-06-25 | Ford Global Technologies, Inc. | System and method for controlling neutral idle operation of a vehicle |
DE10157943B4 (de) * | 2001-11-27 | 2012-09-20 | Zf Sachs Ag | Verfahren zum Ansteuern eines Antriebssystems, welches ein Antriebsaggregat sowie eine automatisierte Getriebeanordnung aufweist |
JP3835406B2 (ja) * | 2002-12-10 | 2006-10-18 | トヨタ自動車株式会社 | 自動変速機の制御装置 |
JP4172345B2 (ja) * | 2003-07-15 | 2008-10-29 | トヨタ自動車株式会社 | 車両の制御装置 |
JP2007309486A (ja) * | 2006-05-22 | 2007-11-29 | Toyota Motor Corp | 車両の発進制御装置 |
-
2008
- 2008-08-12 SE SE0801783A patent/SE533174C2/sv unknown
-
2009
- 2009-06-29 EP EP09806915.6A patent/EP2323883B1/en active Active
- 2009-06-29 CN CN200980130861.9A patent/CN102112352B/zh active Active
- 2009-06-29 BR BRPI0911725A patent/BRPI0911725A2/pt active Search and Examination
- 2009-06-29 RU RU2011108482/11A patent/RU2467898C2/ru active
- 2009-06-29 WO PCT/SE2009/050824 patent/WO2010019093A1/en active Application Filing
-
2011
- 2011-10-28 HK HK11111656.9A patent/HK1157293A1/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3667629A (en) * | 1971-02-16 | 1972-06-06 | Francis X La Voie | Control and power apparatus for operating trash collection vehicle packers |
US5052531A (en) * | 1989-08-23 | 1991-10-01 | Mazda Motor Corporation | Neutral control device of automatic transmission |
GB2337137A (en) * | 1998-05-07 | 1999-11-10 | Specialist Vehicles Limited | Refuse vehicle engine control |
EP1667924B1 (en) * | 2003-09-22 | 2007-09-05 | Oshkosh Truck Corporation | Refuse vehicle control system and method |
CN101187422A (zh) * | 2006-11-24 | 2008-05-28 | 丰田自动车株式会社 | 车辆控制设备 |
Also Published As
Publication number | Publication date |
---|---|
SE533174C2 (sv) | 2010-07-13 |
EP2323883A1 (en) | 2011-05-25 |
RU2467898C2 (ru) | 2012-11-27 |
HK1157293A1 (zh) | 2012-06-29 |
SE0801783L (sv) | 2010-02-13 |
EP2323883A4 (en) | 2018-04-25 |
EP2323883B1 (en) | 2019-01-23 |
CN102112352A (zh) | 2011-06-29 |
RU2011108482A (ru) | 2012-09-20 |
BRPI0911725A2 (pt) | 2015-10-06 |
WO2010019093A1 (en) | 2010-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7740557B2 (en) | Hydraulic control apparatus and hydraulic control method for automatic transmission | |
CN105564400B (zh) | 在低速操纵性的情况下的自动制动保持 | |
US7008349B2 (en) | System for controlling a transmission component in a vehicle taking into consideration a possible fluid loss | |
CN102112352B (zh) | 自动换档*** | |
CN108105376B (zh) | 用于车辆的控制装置以及用于车辆的控制方法 | |
WO2007053234A1 (en) | Retarding system implementing torque converter lockup | |
US9096231B2 (en) | Rollback prevention system for mobile machine | |
US8079934B2 (en) | Engine stall prevention system for industrial vehicles and method of controlling the same | |
US20100010717A1 (en) | Control device and control method for automatic transmission | |
JP2008502862A (ja) | オートマチックトランスミッションの制御方法 | |
CN104340211B (zh) | 一种控制发动机的停止和启动的方法及其*** | |
US7203585B2 (en) | Device for controlling a start of a vehicle | |
JP2004125001A (ja) | 車両用自動変速機のクラッチ制御装置 | |
JP2956585B2 (ja) | 車両用変速機の変速制御装置 | |
JP3592167B2 (ja) | 車両の自動変速装置 | |
JPS636259A (ja) | 電子制御自動変速機 | |
KR101311658B1 (ko) | 자동 변속기를 이용한 경사로 정지 상태 유지 제어 방법 | |
JPH0243048B2 (zh) | ||
JP2006321341A (ja) | 車両の制御装置 | |
CN116061894A (zh) | 用于工程机械的自动驻车方法和自动驻车*** | |
JPH0444441Y2 (zh) | ||
JPH068909Y2 (ja) | 車両の発進制御装置 | |
JPH0519232Y2 (zh) | ||
JPH0447478Y2 (zh) | ||
JPH068907Y2 (ja) | 車両の変速装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1157293 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1157293 Country of ref document: HK |