CN101287630A - 用于陆地车辆的电子稳定程序 - Google Patents

用于陆地车辆的电子稳定程序 Download PDF

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CN101287630A
CN101287630A CNA2006800380733A CN200680038073A CN101287630A CN 101287630 A CN101287630 A CN 101287630A CN A2006800380733 A CNA2006800380733 A CN A2006800380733A CN 200680038073 A CN200680038073 A CN 200680038073A CN 101287630 A CN101287630 A CN 101287630A
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vehicle dynamic
dynamic control
vehicle
brake system
steering engagement
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CN101287630B (zh
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约瑟夫·克内希特格斯
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ZF active safety Co., Ltd
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Lucas Automotive GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/88Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • B60T8/885Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17Using electrical or electronic regulation means to control braking
    • B60T8/1755Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
    • B60T8/17555Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve specially adapted for enhancing driver or passenger comfort, e.g. soft intervention or pre-actuation strategies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/18Conjoint control of vehicle sub-units of different type or different function including control of braking systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/20Conjoint control of vehicle sub-units of different type or different function including control of steering systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D6/00Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/002Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels
    • B62D6/003Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels in order to control vehicle yaw movement, i.e. around a vertical axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T2260/00Interaction of vehicle brake system with other systems
    • B60T2260/02Active Steering, Steer-by-Wire
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T2270/00Further aspects of brake control systems not otherwise provided for
    • B60T2270/40Failsafe aspects of brake control systems
    • B60T2270/413Plausibility monitoring, cross check, redundancy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2520/00Input parameters relating to overall vehicle dynamics
    • B60W2520/12Lateral speed
    • B60W2520/125Lateral acceleration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2520/00Input parameters relating to overall vehicle dynamics
    • B60W2520/14Yaw

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Regulating Braking Force (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

本发明涉及为转向干预(20)和制动干预(30)而设计的用于陆地车辆的电子稳定程序(10),并将传感器装置(15)分配给电子稳定程序(10)。传感器装置(15)为转向干预机构(20)和独立地或在驾驶员之外额外地设立制动力的制动系统(30)检测偏转角速度和/或横向加速度,并将该偏转角速度和/或横向加速度提供给转向干预机构(20)和制动系统(30)。

Description

用于陆地车辆的电子稳定程序
技术领域
本发明涉及一种用于陆地车辆的电子车辆动态控制系统,该系统至少为转向干预和制动干预而设立。该系统通过集成的刹车和引擎干预,可以提供目前的系统所没有的许多功能(例如,针对μsplit制动的偏转力矩补偿)。
背景技术
通过车辆动态控制系统的转向干预,能够作用于动力转向系统(其中,完全从该车辆内的能量源施加转向力)以及助力转向系统(其中,由驾驶员并从该车辆内的能量源施加转向力)。在叠加转向的情况下,基于驾驶员所控制的转向轮移动和车辆的当前车辆动态幅度,经由伺服电机主动地设置附加转向角。附加转向角通常对驾驶员经由行星齿轮系所控制的转向轮移动进行叠加。因此,可以实现驾驶员辅助功能(例如,基于车辆速度的可变转向支持),或者稳定化功能(例如,提高驾驶稳定性、侧风补偿、针对非均匀表面的反向转向等)。例如在ATZAutomobiltechnische Zeitschrift(automotive engineering journal)100(1998)9“Die Servoelectric von ZF(ZF’s Servoelectric)”中,说明了这种转向干预系统的可能的实施方案。
可以通过制动设备(其可以独立地或在驾驶员之外额外地设立制动力)的方式,来实现制动干预。例如,可以通过具有防抱死系统、驾驶滑动控制和/或电子稳定程序功能的液压制动系统的方式。这种制动系统可以并旨在进行自动制动。自动制动可以理解为,包括通常独立于驾驶员已施加到踏板的任何力而进行的制动处理。这些制动处理为,例如,驾驶滑动控制(其通过目标制动来防止启动期间单个车轮的车轮打滑),或者车辆动态控制(电子稳定程序,ESP,其通过单个车轮的目标制动使车辆的运动适应驾驶员的意愿和路面状况的限制),或者自适应巡航控制(其除了其他操作,还通过自动制动来使得驾驶员自己的车辆与前方的车辆保持预设距离)。
通常由各个控制系统,在单独的控制器上,分别准备(车辆动态控制系统所处理的)传感器信号,计算车辆动态设定点幅度,并指定各种情况下的操纵幅度。然后按照根据这种方式所确定的要求,生成信息并在单个控制系统之间进行交换。例如,为了计算设定点车辆移动幅度,ESP需要与整个转向角以及实际存在的车轮转向角有关的信息。与以前的ESP系统相比,在很大程度上并不需要对这些ESP算法进行修改。当制动压力超出大约20巴时,达到车辆的安全临界范围。
通过上述的电子车辆动态控制系统,可以实现主动转向。在比转向处理所影响的便利更大的程度上,进入车辆的安全临界范围,由电机施加的转向力来叠加或者代替驾驶员所控制的转向轮移动。当驾驶员控制的转向轮移动所要叠加的转向力矩超出大约3Nm时,或者当要叠加的转向角超出大约0.4°时,达到车辆的安全临界范围。
对于以前和现在的系统,出于安全的原因,可以认为偏转角速度和横向加速度传感器的冗余设置是不可缺少的。这尤其适用于能够高动态生成较大的待被叠加的转向力矩或转向角的系统。针对车辆动态控制系统或其控制单元、防抱死系统的制动系统、驾驶滑动控制和电子稳定程序中的每一个,都至少部分地单独存在这些传感器(至少有两个)。单独地获取和评估这些传感器的信号。作为对这些信号的真实性检查的一部分,在单个系统或其控制单元之间交换和比较这些测量结果。如果有较大的不同,则这些系统可以检测到错误情况并将这些系统带到安全状态。
发明内容
本发明基于的技术问题
从这种情况出发,本发明基于提供更廉价、结构上更简单并且在运行中具有相当安全性的电子车辆动态控制系统的问题。
根据本发明的技术方案
现在,根据本发明的技术方案,提供了用于陆地车辆的电子车辆动态控制系统,该系统为转向干预和制动干预而设立而且与传感器装置相连接,所述传感器装置为转向干预设备和独立地或在驾驶员之外额外地设立制动力的制动系统获取偏转角速度和/或横向加速度,并将它们提供给所述转向干预设备和制动系统。
在从属权利要求中限定了其他版本和可能的修改,在以下说明中与它们的优点一起对这些版本和修改进行解释。
在转向干预设备和/或制动系统中,针对再现偏转角速度和/或横向加速度的信号,可以提供内部真实性检查机制和/或自检,其中所述信号必须通过这些方式进行真实性和正确性检查。
该内部真实性检查机制和/或自检在这样的周期内结束对这些信号的检查,所述周期足以使得这些信号作为实际幅度进入车辆动态设定点幅度的计算。该周期可以是大约50到500msec,但也可以是200到500msec。应当认为在这里公开了在这些数值之间的各单个时间值。
转向干预设备中的实际幅度的请求速度与所述信号检查的周期相适配。应用了以下认识:转向执行器可以比进入安全临界范围的制动执行器快很多地进行干预(参见上述内容)。但是,也可以使转向干预设备的实际幅度的请求速度与制动系统的实际幅度的请求速度相适配。换言之,将转向干预设备的对具有偏转角速度和/或横向加速度的信号的请求速度减小到制动系统对这些信号进行请求/接收/处理的测量的大约一半。该动作对车辆动态控制系统的安全性或简便性没有可检测的影响。
此外,在制动系统中,在执行该信号检查的期间,最多设立尚不具有安全临界级别的制动力。类似地,在转向干预设备中,在执行该信号检查的期间,最多设立尚不具有安全临界级别的转向力矩或转向角。总之,该系统应用了以下认识:在制动系统独立地或在驾驶员之外额外地设立制动力的情况下,所达到的定位速度足以实现简便的电子车辆稳定化。对此所需的传感器评估/检查速度也足以使得转向干预设备(其在原理上反应更快)安全和简便地进行转向干预;因此,可以省略冗余的传感器装置,而且,对来自传感器装置并再现偏转角速度和/或横向加速度的信号进行真实性和正确性检查,然后在车辆动态控制系统的这两个子系统中(或者,在例如e-燃油、e-底盘悬挂等的更多子系统中)将这些信号用作输入信号,以对这两个子系统进行控制。
也可以使用现有子系统、转向干预设备和制动系统中的一个的传感器装置,或该传感器装置的一部分(例如,只使用偏转角速度传感器或只使用横向加速度传感器),而且,也可以装备一开始就没有传感器装置的其他(多个)子系统。另一可选方式是,将所有的子系统都集成到没有传感器的车辆中,并且经由数据总线(CAN、LIN、MOST或类似方式)将其相互连接并连接到传感器装置。
附图说明
在图1中,示意性地示出了为转向干预和制动干预而设立的用于陆地车辆的电子车辆动态控制系统以及相连接的传感器装置的框图。
具体实施方式
图1示出了用于陆地车辆的电子车辆动态控制系统10,该系统为转向干预和制动干预而设立并具有转向干预设备20和独立地或在驾驶员之外额外地设立制动力的制动系统30。传感器装置15与车辆动态控制系统10相连接,获取偏转角速度和/或横向加速度并将它们提供给转向干预设备20和制动系统30。在该车辆动态控制系统中,传感器装置15与其他组件一样,经由车辆总线(CAN、MOST、LIN或类似方式)连接到其他组件,以进行数据/信号传送。
在转向干预设备20和制动系统30中,对再现偏转角速度和横向加速度的信号,提供内部真实性检查机制和/或自检。内部真实性检查机制和自检具有的形式和经过的编程使得它们在50到500msec的周期内完成对这些信号的检查。该周期足以使得所述信号在被检查了真实性和正确性之后作为实际幅度进入车辆动态设定点幅度的计算。
这个概念也可以方便地用于中央车辆动态控制器(整体底盘控制,GCC)的情况中,其中,针对在车辆动态中进行干预的所有系统,确定修正偏转力矩(如果需要,以及其他的力/力矩)。然后,在力/力矩分配器中,确定由各种子系统及它们各自的执行器(车轮制动器、转向执行器、油门执行器、悬架滑柱执行器等)所实现的被确定的车辆设定点值的形式和互动。这使得由于车辆的运行而要求的非常高效、节能和集成的实现成为可能。

Claims (8)

1、一种用于陆地车辆的电子车辆动态控制系统(10),该车辆动态控制系统为转向干预和制动干预而设立而且与传感器装置(15)相连接,所述传感器装置(15)为转向干预设备(20)和独立地或在驾驶员之外额外地设立制动力的制动系统(30)获取偏转角速度和/或横向加速度,并将它们提供给所述转向干预设备和制动系统。
2、根据权利要求1所述的车辆动态控制系统,其中,在所述转向干预设备(20)和/或所述制动系统(30)中,针对再现偏转角速度和/或横向加速度的信号,提供内部真实性检查机制和/或自检,其中所述信号必须通过该内部真实性检查机制和/或自检进行真实性和正确性检查。
3、根据权利要求1或2所述的车辆动态控制系统,其中,所述内部真实性检查机制和/或自检在这样的周期内结束对这些信号的检查,所述周期足以使得所述信号作为实际幅度进入车辆动态设定点幅度的计算。
4、根据前述权利要求中任意一项所述的车辆动态控制系统,其中,所述周期大约是50到500msec。
5、根据前述权利要求中任意一项所述的车辆动态控制系统,其中,所述转向干预设备(20)中的实际幅度的请求速度与所述信号检查的周期相适配。
6、根据前述权利要求中任意一项所述的车辆动态控制系统,其中,所述转向干预设备(20)的实际幅度的请求速度与所述制动系统(30)的实际幅度的请求速度相适配。
7、根据前述权利要求中任意一项所述的车辆动态控制系统,其中,在所述制动系统(30)中,在执行所述信号检查的期间,最多设立尚不具有安全临界级别的制动力。
8、根据前述权利要求中任意一项所述的车辆动态控制系统,其中,在所述转向干预设备(20)中,在执行所述信号检查的期间,最多设立尚不具有安全临界级别的转向力矩或转向角。
CN2006800380733A 2005-10-13 2006-10-12 用于陆地车辆的电子稳定程序 Expired - Fee Related CN101287630B (zh)

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DE102005049083.2 2005-10-13
DE102005049083A DE102005049083B4 (de) 2005-10-13 2005-10-13 Elektronisches Fahrdynamikregelungssystem für ein Landfahrzeug
PCT/EP2006/009882 WO2007042305A1 (de) 2005-10-13 2006-10-12 Elektronisches fahrdynamikregelungssystem für ein landfahrzeug

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CN101287630B CN101287630B (zh) 2011-06-08

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ATE471853T1 (de) 2010-07-15
US20090319118A1 (en) 2009-12-24
CN101287630B (zh) 2011-06-08
DE102005049083B4 (de) 2008-02-21
US8346428B2 (en) 2013-01-01
DE502006007279D1 (de) 2010-08-05
WO2007042305A1 (de) 2007-04-19
EP1934075B1 (de) 2010-06-23
DE102005049083A1 (de) 2007-04-19

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