CN108974005A - 用于估计车辆的动力切断持续时间的系统和方法 - Google Patents
用于估计车辆的动力切断持续时间的系统和方法 Download PDFInfo
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Abstract
根据示例性实施例,一种用于车辆的动力切断持续时间估计系统包括具有车辆的车辆轮廓模型的车辆模型模块、具有可操作以确定车辆与前方车辆之间的接近速率的前方车辆减速模型的前方车辆检测模块、以及可操作以基于车辆轮廓模型和前方车辆减速模型来确定车辆的发动机将在超限运动状况下操作的时间量的动力切断持续时间估计系统。
Description
背景技术
本公开涉及车辆领域,并且更具体地涉及一种用于估计车辆的动力切断持续时间的系统和方法。
现代车辆在各个操作阶段期间会执行各种各样的诊断和/或学习操作或任务。诊断操作可以在怠速、行进和/或动力切断操作阶段发生。例如,在动力切断期间可能会发生各种与排放相关的诊断操作和/或学习任务。动力切断(或者被称为发动机超限运动)是被定义为发动机在操作期间无需燃料喷射的时间段。例如,当车辆正向停车状态滑行时,可能会发生动力切断。
在动力切断期间有机会执行诊断测试和/或学习操作。不过,由于每个动力切断时段可能会有所不同且持续时间也是未知的,因此,在选择可以运行哪种测试和/或操作方面仍存在有挑战。如果动力切断时段在测试和/或操作完成之前结束,则可能无法正确地收集到信息。因此,需要提供一种可以确定动力切断模式下的操作持续时间的系统。
发明内容
根据示例性实施例,一种用于车辆的动力切断持续时间估计系统包括具有车辆的车辆轮廓模型的车辆模型模块、具有可操作以确定车辆与前方车辆之间的接近速率的前方车辆减速模型的前方车辆检测模块、以及可操作以基于车辆轮廓模型和前方车辆减速模型来确定车辆的发动机将在超限运动状况下操作的时间量的动力切断持续时间估计系统。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括事件选择和运行模块,该事件选择和运行模块可操作以在车辆的发动机在超限运动状况下操作的时间量期间选择并运行事件。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括其中车辆模型模块包括制动踏板模型模块,该制动踏板模型模块可操作以基于制动需求确定车辆的估计减速度,从而使车辆停下。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括:其中车辆模型模块包括车辆摩擦模型模块,该车辆摩擦模型模块可操作以基于车辆的道路特性和操作档位中的至少一个来估计减速速率。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括:其中车辆模型模块包括车辆减速模型模块,该车辆减速模型模块可操作以基于来自制动踏板模型模块和车辆摩擦模型模块的输入来确定车辆的预测减速速率。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括前方车辆感测系统,该前方车辆感测系统可操作以确定车辆与前方车辆之间的距离。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括:其中前方车辆感测系统包括声纳系统和光探测和测距(LIDAR)传感器中的至少一个。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括街道模型模块和动力切断时间估计模块,该街道模型模块用于确定车辆处的环境状况,这些环境状况包括交通状况、位置状况、路线状况和天气状况中的至少一种,该动力切断时间估计模块可操作以基于环境状况来确定车辆的发动机将在超限运动状况下操作的时间量。
根据示例性实施例的另一方面,一种估计车辆的动力切断持续时间的方法包括:感测超限运动状况、基于车辆模型模块所确定的车辆轮廓模型来检测车辆的状况、确定车辆与前方车辆之间的距离变化、基于车辆轮廓模型和车辆与前方车辆之间的距离变化来估计超限运动状况的动力切断持续时间、以及在动力切断持续时间内激活诊断测试和学习操作中的一个。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括:其中检测车辆的状况包括检测包括车辆档位和路况中的至少一个的摩擦状况。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括确定车辆与前方车辆之间的距离变化。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括:其中检测车辆与前方车辆之间的距离变化包括利用声纳系统和光探测和测距(LIDAR)系统中的至少一个来主动感测前方车辆。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括:其中检测车辆的状况包括基于车辆与前方车辆之间的距离变化来确定估计制动施加压力。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括基于估计制动施加压力和摩擦状况中的至少一个来确定估计减速速率。
除了上面或下面描述的一个或多个特征之外,或者作为替代,另外的实施例可以包括:其中激活诊断测试和学习操作中的一个包括选择诊断测试和学习操作中的完成时间小于动力切断持续时间的一个。
结合附图,通过以下详细描述,本公开的以上特征和优点以及其他特征和优点将容易变得明显。
附图说明
其他特征、优点和细节仅作为示例出现在以下参考了附图的详细描述中,在附图中:
图1描绘了根据示例性实施例的包括动力切断持续时间估计系统的车辆;以及
图2描绘了示出动力切断持续时间估计系统的框图。
具体实施方式
以下描述在本质上仅仅是示例性的,并不打算限制本公开、其应用或用途。应该理解,在整个附图部分中,相应的附图标记表明相同或相应的部分及特征。如本文所用,术语“模块”是指可以包括专用集成电路(ASIC)、电子电路、执行一个或多个软件或固件程序的处理器(共享、专用或群组)和存储器、组合逻辑电路和/或提供所述功能的其他合适组件的处理电路。
根据示例性实施例的车辆在图1中总体上以10表示。车辆10包括车身14和可以采用内燃机17形式的原动机16。应该理解的是,原动机16可以采用各种形式,例如电动机、混合动力电动系统等。车辆10还包括变速器19,该变速器19可操作地连接到原动机16并且通过驱动轴23可操作地连接到后轮(其中一个后轮示出为21)。
根据示例性实施例,车辆10还包括基于前方车辆40的检测和位置来估计动力切断时间持续时间段34的动力切断持续时间估计系统30。例如,车辆10可以包括(多个)传感器45,诸如可以检测前方车辆40的光探测和测距(LIDAR)传感器47。当然应该理解的是,传感器45可以采用其他形式,如声纳系统。如将在本文中详细描述的,对动力切断时间持续时间段34进行估计,以便确定出哪个(些)事件可以最有效地启动。术语“动力切断”或“超限运动”应被理解为描述了原动机16不主动产生动能(例如,对于内燃机而言,没有产生扭矩的燃料燃烧)但却因为惯性而移动的操作模式。例如,当车辆10减速停止时,可以发生动力切断。
根据图2中所示的示例性方面,动力切断持续时间估计系统30可以包括可操作地连接到前方车辆检测模块57和动力切断时间估计模块60的车辆模型模块54。车辆模型模块54可以确定车辆轮廓模型,而该车辆轮廓模型可以用来估计动力切断持续时间,如本文所述。
基于输入以及由(多个)传感器45感测到的随时间流逝的距离变化,前方车辆检测模块57确定前方车辆40的前方车辆减速模型或预测减速速率。动力切断时间估计模块60向事件选择和运行模块62提供输入,该事件选择和运行模块62确定出哪个(些)事件包括可以在动力切断时间持续时间段34内完成的运行时间。事件可以包括诊断测试、学习事件等。
进一步根据示例性方面,动力切断持续时间估计系统30包括街道模型模块65,该街道模型模块65可以接收环境状况,诸如来自交通模块68的交通状况、来自位置模块69的位置状况、来自路线模块70的路线状况和/或来自天气模块71的天气状况,从而向车辆模型模块54提供输入。以这种方式,车辆模型模块54可以例如基于路况来估计停车距离。应该理解,尽管是被描述为分离的模块,但交通模块68、位置模块69、路线模块70和天气模块71中的一个或多个模块可以组合在单个系统中,例如组合在车辆导航系统中。
还根据示例性方面,车辆模型模块54可以包括制动踏板模型模块80和车辆摩擦模型模块82。制动踏板模型模块80可以从车辆速度传感器84、经由前方车辆检测模块57从(多个)传感器45以及从街道模型模块65接收输入,从而确定出在不影响前方车辆40的前提下使车辆10减速所需的估计制动曲线或估计制动施加压力。车辆摩擦模型模块82可以确定与车辆10相关的摩擦状况。例如,车辆摩擦模型模块82可以从街道模型模块65接收路况、从车辆档位传感器86接收操作档位信息以及从车辆速度传感器84接收车辆速度信息,从而基于现有的与道路和车辆摩擦有关的状况来确定出关于车辆10的减速曲线估计的附加数据。短语“基于”应被理解为是指模块依赖于来自传感器和/或其他系统的输入来制定数学模型,其中该数学模型可以提供最终结果,或者可以将数据提供给另一模块,以便进行附加处理。
例如,在基于车辆速度和前方车辆位置对制动模型进行建模之后,制动踏板模型模块80可以将数据输出到车辆减速模型模块90。类似地,车辆摩擦模型模块82可以将基于车辆速度和路况的摩擦模型输出到车辆减速模型模块90。此时,车辆减速模型模块90可以基于来自制动踏板模型模块80和车辆摩擦模型模块82的输入来计算出估计减速度曲线。
仍然根据示例性实施例,动力切断时间估计模块60接收来自车辆模型模块54和前方车辆检测模块57的输入,并且基于这些输入,计算出估计减速速率和动力切断时间持续时间段34或者车辆将在动力切断或超限运动状况下操作的估计时间。此时,事件选择和运行模块62可以确定哪个事件将具有运行时间或完成时间以及在特定动力切断时间持续时间段34内运行的需求。以这种方式,可以根据需求、冲突避免和/或完成可能性来对事件进行选择/优先化。
在此使用的术语仅用于描述特定实施例,并不意图限制本公开。如本文所用,除非上下文另外清楚地说明,否则单数形式“一个(a)”、“一个(an)”和“该”旨在也包括复数形式。将进一步理解的是,当在本说明书中使用时,术语“包括(comprises)”和/或“包括(comprising)”指明了所陈述的特征、整体、步骤、操作、元件和/或部件的存在,但也不排除存在有或添加了一个或多个其他特征、整体、步骤、操作、元件、部件和/或其组合。
尽管已经参考示例性实施例描述了以上公开内容,但是本领域技术人员将会理解的是,在不背离其范围的前提下,可以做出各种改变并且可以用等同物替换其元件。另外,可以在不脱离其基本范围的前提下做出许多修改,以使特定情况或材料适应本公开的教导。因此,本公开并不旨在受限于所公开的特定实施例,而是将包括落入本申请范围内的所有实施例。
Claims (10)
1.一种用于车辆的动力切断持续时间估计系统,包括:
车辆模型模块,所述车辆模型模块包括所述车辆的车辆轮廓模型;
前方车辆检测模块,所述前方车辆检测模块包括可操作以确定所述车辆与前方车辆之间的接近速率的前方车辆减速模型;以及
动力切断持续时间估计系统,所述动力切断持续时间估计系统可操作以基于所述车辆轮廓模型和所述前方车辆减速模型来确定所述车辆的发动机将在超限运动状况下操作的时间量。
2.根据权利要求1所述的动力切断持续时间估计系统,还包括事件选择和运行模块,所述事件选择和运行模块可操作以在所述车辆的所述发动机在所述超限运动状况下操作的所述时间量期间选择并运行事件。
3.根据权利要求1所述的动力切断持续时间估计系统,其中所述车辆模型模块包括制动踏板模型模块,所述制动踏板模型模块可操作以基于制动需求确定所述车辆的估计减速度,从而使所述车辆停下。
4.根据权利要求3所述的动力切断持续时间估计系统,其中所述车辆模型模块包括车辆摩擦模型模块,所述车辆摩擦模型模块可操作以基于所述车辆的道路特性和操作档位中的至少一个来估计减速速率。
5.根据权利要求4所述的动力切断持续时间估计系统,其中所述车辆模型模块包括车辆减速模型模块,所述车辆减速模型模块可操作以基于来自所述制动踏板模型模块和所述车辆摩擦模型模块的输入来确定所述车辆的预测减速速率。
6.根据权利要求1所述的动力切断持续时间估计系统,还包括前方车辆感测系统,所述前方车辆感测系统可操作以确定所述车辆与所述前方车辆之间的距离。
7.根据权利要求6所述的动力切断持续时间估计系统,其中所述前方车辆感测系统包括声纳系统和光探测和测距(LIDAR)传感器中的至少一个。
8.根据权利要求1所述的动力切断持续时间估计系统,还包括街道模型模块和动力切断时间估计模块,所述街道模型模块用于确定所述车辆处的环境状况,所述环境状况包括交通状况、位置状况、路线状况和天气状况中的至少一种,所述动力切断时间估计模块可操作以基于所述环境状况来确定所述车辆的发动机将在超限运动状况下操作的时间量。
9.一种估计车辆的动力切断持续时间的方法,包括:
感测超限运动状况;
基于车辆模型模块所确定的车辆轮廓模型来检测所述车辆的状况;
确定所述车辆与前方车辆之间的距离变化;
基于所述车辆轮廓模型和所述车辆与所述前方车辆之间的所述距离变化来估计所述超限运动状况的动力切断持续时间;以及
在所述动力切断持续时间内激活诊断测试和学习操作中的一个。
10.根据权利要求9所述的方法,其中检测所述车辆的所述状况包括检测包括车辆档位和路况中的至少一个的摩擦状况。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002049868A1 (de) * | 2000-12-21 | 2002-06-27 | Robert Bosch Gmbh | Verfahren zum betrieb eines verbrennungsmotors |
US20110234390A1 (en) * | 2008-01-25 | 2011-09-29 | Daimler Ag | Driver Assistance System and Method for Supporting the Driver of a Vehicle in Maintaining a Traffic Lane Limited by Traffic Lane Markings |
CN102343908A (zh) * | 2010-07-29 | 2012-02-08 | 三菱自动车工业株式会社 | 混合动力车的控制装置 |
GB2518970A (en) * | 2013-08-21 | 2015-04-08 | Jaguar Land Rover Ltd | Dynamic deceleration control for hybrid vehicle |
CN105579320A (zh) * | 2013-09-05 | 2016-05-11 | 李斯特内燃机及测试设备公司 | 一种用于优化驾驶员辅助系统的方法和设备 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7650210B2 (en) * | 1995-06-07 | 2010-01-19 | Automotive Technologies International, Inc. | Remote vehicle diagnostic management |
JP2005164010A (ja) * | 2003-12-05 | 2005-06-23 | Toyota Motor Corp | 車両の減速制御装置 |
DE102010042895A1 (de) * | 2010-10-25 | 2012-04-26 | Thilo Frey | Stellvorrichtung zur Leistungssteuerung eines Verbrennungsmotors und Verfahren zur Leistungssteuerung des Verbrennungsmotors |
JP5652364B2 (ja) * | 2011-09-24 | 2015-01-14 | 株式会社デンソー | 車両用挙動制御装置 |
DE102011084606A1 (de) * | 2011-10-17 | 2013-04-18 | Robert Bosch Gmbh | Bestimmung einer Fahrstrategie für ein Fahrzeug |
GB201120114D0 (en) * | 2011-11-22 | 2012-01-04 | Land Rover Uk Ltd | Hybrid electric vehicle and method of control thereof |
WO2014027109A1 (en) * | 2012-08-16 | 2014-02-20 | Jaguar Land Rover Limited | Speed control system and method of operating the same |
US9702349B2 (en) * | 2013-03-15 | 2017-07-11 | ClearMotion, Inc. | Active vehicle suspension system |
GB2523194B (en) * | 2014-02-18 | 2017-10-25 | Jaguar Land Rover Ltd | Control system and method |
GB2523195B (en) * | 2014-02-18 | 2017-10-25 | Jaguar Land Rover Ltd | Control system and method |
GB2523199B (en) * | 2014-02-18 | 2016-07-20 | Jaguar Land Rover Ltd | Control system and method |
GB2523193B (en) * | 2014-02-18 | 2017-10-25 | Jaguar Land Rover Ltd | Control system and method |
WO2015154046A1 (en) * | 2014-04-04 | 2015-10-08 | Superpedestrian, Inc. | Systems, methods, and devices for the operation of electrically motorized vehicles |
GB2526346B (en) * | 2014-05-22 | 2018-01-03 | Jaguar Land Rover Ltd | Vehicle speed control system and method |
US10453023B2 (en) * | 2014-05-28 | 2019-10-22 | Fedex Corporate Services, Inc. | Methods and node apparatus for adaptive node communication within a wireless node network |
JP6380309B2 (ja) * | 2015-09-15 | 2018-08-29 | トヨタ自動車株式会社 | 車両の制御装置 |
US10322725B2 (en) * | 2016-07-14 | 2019-06-18 | Ford Global Technologies, Llc | Powertrain lash management |
KR20180086783A (ko) * | 2017-01-23 | 2018-08-01 | 현대자동차주식회사 | 하이브리드 차량의 주행 제어 방법 |
GB2567154B (en) * | 2017-10-02 | 2020-03-04 | Jaguar Land Rover Ltd | Method and apparatus for assisting in the maintenance of a vehicle speed within a speed range, and a vehicle comprising such an apparatus |
GB2567008B (en) * | 2017-10-02 | 2020-04-08 | Jaguar Land Rover Ltd | Method of controlling a prime mover of a vehicle, apparatus for controlling a prime mover of a vehicle, and a vehicle comprising such an apparatus |
GB2567009A (en) * | 2017-10-02 | 2019-04-03 | Jaguar Land Rover Ltd | Method of assisting in the control of a prime mover of a vehicle, apparatus for assisting in the control of a prime mover of a vehicle, and a vehicle |
-
2017
- 2017-06-01 US US15/611,245 patent/US10442440B2/en active Active
-
2018
- 2018-05-24 CN CN201810505550.7A patent/CN108974005B/zh active Active
- 2018-05-30 DE DE102018113027.9A patent/DE102018113027A1/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002049868A1 (de) * | 2000-12-21 | 2002-06-27 | Robert Bosch Gmbh | Verfahren zum betrieb eines verbrennungsmotors |
US20110234390A1 (en) * | 2008-01-25 | 2011-09-29 | Daimler Ag | Driver Assistance System and Method for Supporting the Driver of a Vehicle in Maintaining a Traffic Lane Limited by Traffic Lane Markings |
CN102343908A (zh) * | 2010-07-29 | 2012-02-08 | 三菱自动车工业株式会社 | 混合动力车的控制装置 |
GB2518970A (en) * | 2013-08-21 | 2015-04-08 | Jaguar Land Rover Ltd | Dynamic deceleration control for hybrid vehicle |
CN105579320A (zh) * | 2013-09-05 | 2016-05-11 | 李斯特内燃机及测试设备公司 | 一种用于优化驾驶员辅助系统的方法和设备 |
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