CN104816637A - 再生制动控制系统和方法 - Google Patents
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- B60L7/10—Dynamic electric regenerative braking
- B60L7/18—Controlling the braking effect
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Abstract
一种再生制动控制系统包括至少一个传感器,其适合于在车辆制动过程中感测前胎撞击事件和响应于前胎撞击事件而传递传感器信号;再生动力传动系统,其与至少一个传感器相连和适合响应于接收来自至少一个传感器的传感器信号而降低再生制动扭矩。本发明也公开了一种再生制动控制方法。
Description
技术领域
本发明的说明性实施例总体上涉及再生制动。更具体地,本发明的说明性实施例涉及一种再生制动控制系统和方法,其促进再生制动的加强控制而不会在前胎撞击事件过程中影响车辆的稳定性。
背景技术
为了提高燃料经济性,混合动力电动车辆(HEV)可以利用再生(重生)制动,其中在制动过程中动能通过电机转化成可储存的能量,然后提供给车辆推进。在前胎撞击事件过程中,如当车辆的一个或两个前胎遇到隆起物,坑洼,冰块或类似物时发生的,再生制动可能不被相应地修改,这可能影响再生制动的效率。
因此,再生制动控制系统和方法,其促进再生制动的加强控制,而不会在前胎碰撞事件过程中影响车辆稳定性是必要的。
发明内容
本发明的实施例总体上直接涉及再生制动控制系统。再生制动控制系统的说明性实施例包括:至少一个传感器,其适合于在车辆制动过程中感测前胎撞击事件和响应于前胎撞击事件而传递传感器信号;再生动力传动系统,其与至少一个传感器相连和适合响应于接收来自至少一个传感器的传感器信号而降低再生制动扭矩。
根据本发明的一个实施例,其中车辆包含混合动力电动车辆。
根据本发明的一个实施例,其中车辆包括插电式混合动力电动车辆。
根据本发明的一个实施例,进一步包含与再生动力传动系统相连的和适合于存储来自再生动力传动系统电力的电力存储设备。
根据本发明的一个实施例,其中再生动力传动系统适合于应用再生制动扭矩到车辆的前桥和后桥中的至少一个。
根据本发明的一个实施例,其中再生动力传动系统适合响应于接收到来自至少一个传感器的传感器信号而降低车辆后桥处的再生制动扭矩。
根据本发明的一个实施例,其中再生动力传动系统适合于应用再生制动扭矩到车辆的前轮和后轮中选择的一个。
根据本发明的一个实施例,其中再生动力传动系统适合响应于接收到来自至少一个传感器的传感器信号而降低车辆后桥处的再生制动扭矩。
根据本发明,提供一种用于电气化车辆的再生制动控制系统,包含:
车轮滑动传感器和车辆运动传感器中的至少一个,其适合于在车辆制动过程中感测前胎撞击事件和响应于前胎撞击事件相应地传递车轮滑动传感器信号和运动传感器信号中的至少一个;以及
再生动力传动系统,其与至少一个传感器相连接和适合响应于接收来自于车轮滑动传感器和车辆运动传感器中至少一个的车轮滑动传感器信号和车辆运动传感器信号中的至少一个而降低再生制动扭矩。
根据本发明的一个实施例,其中车辆包含混合动力电动车辆。
根据本发明的一个实施例,其中车辆包括插电式混合动力电动车辆。
根据本发明的一个实施例,进一步包含与再生动力传动系统相连的和适合于存储来自再生动力传动系统电力的电力存储设备。
根据本发明的一个实施例,其中再生动力传动系统适合于应用再生制动扭矩到车辆的前桥和后桥中的至少一个。
根据本发明的一个实施例,其中再生动力传动系统适合响应于接收到来自至少一个传感器的传感器信号而降低车辆后桥处的再生制动扭矩。
根据本发明的一个实施例,其中再生动力传动系统适合于应用再生制动扭矩到车辆的前轮和后轮中选择的一个。
根据本发明的一个实施例,其中再生动力传动系统适合响应于接收到来自至少一个传感器的传感器信号而降低车辆后桥处的再生制动扭矩。
本发明的实施例进一步总体上涉及再生制动控制方法。再生制动控制方法的说明性实施例包括确定在车辆制动过程中前胎撞击事件是否发生,以及如果前胎撞击事件发生,则降低再生扭矩的应用。
根据本发明的一个实施例,进一步包含通过使用车轮滑动数据感测前胎撞击事件。
根据本发明的一个实施例,进一步包含通过使用车辆运动数据感测前胎撞击事件。
根据本发明的一个实施例,其中如果前胎撞击事件被感测到,则降低再生扭矩的应用,这包含如果前胎撞击事件被感测到,则降低在车辆后轮处的再生扭矩应用。
附图说明
通过举例的方式,参照附图,本发明的说明性实施例现在将被描述,其中:
图1是再生制动控制系统的说明性实施例的系统方框图;以及
图2是再生制动控制方法的可选说明性实施例的框图。
具体实施方式
本质上,下面的详细描述仅仅是示例性的,并非旨在限制描述的实施例或描述的实施例的应用和使用。如本文所使用的,词语“示例性”或“说明性”意指“用作示例,实例或说明”。本文中描述为“示例性”或“说明性”的任何实施方式不必然被解释为优于或胜过其他实施方式。以下描述的所有实施方式是提供使本领域技术人员能够实施本发明的示例性实施方式,并且不旨在限制权利要求的范围。而且,本文所描述的说明性实施例不是穷尽的,且除了本文中描述的和落入所附的权利要求范围内的那些以外的实施例和实施方式是可能的。而且,没有意图受存在于前述的技术领域,背景技术,发明内容或下面的具体实施方式中的任何明示或暗示的理论而被约束。
首先参照图1,再生制动控制系统的说明性实施例,以下简称系统,一般用附图标记100表示。系统100可以包括车辆102。在一些实施例中,例如但不限制于,车辆102可以包括混合动力电动车辆(HEV)或插电式混合动力电动车辆(PHEV)。车辆102可以具有含一对前轮105的前桥104和有一对后轮107的后桥106。在一些实施例中,车辆102可以通过后轮107驱动。
再生动力传动系统108可以与车辆102的前桥104和后桥106中的至少一个相连接。在一些实施例中,再生动力传动系统108可以与车辆102的一个或多个前轮105和/或一个或多个后轮107相连接。再生动力传动系统108可以适合于在车辆102的制动过程中,典型地以传统方式应用再生制动扭矩到车辆102的前桥104和/或后桥106。再生动力传动系统108可以适合于将旋转前桥104和/或后桥106的机械动力转换成电力。电力可以储存在电池中或其它合适的与再生动力传动系统108电力连接的电力存储设备110中。存储在电力存储设备110中的电力可以在车辆102的推进上使用,比如以传统的方式进行。
至少一个车轮的滑动传感器112可以与再生动力传动系统108相连接。车轮滑动传感器112,如本领域技术人员已知的,可以与车辆102的前轮105和/或后轮107相连接。在车辆102的操作过程中,车轮滑动传感器112可以适合于通过使用有限的滑动控制检测算法比如以传统的方式进行来检测车辆102的前轮105和/或后轮107的车轮滑动事件。车轮滑动传感器112可以进一步适合于将表示车轮滑动事件的车轮滑动传感器信号114传递给再生动力传动系统108。在一些实施例中,车轮滑动传感器112可以适合于检测在前轮105处的车轮滑动事件和在前轮105遇到前胎撞击事件比如隆起物,坑洼,冰块或类似物的情况下响应地传递车轮滑动传感器信号114给再生动力传动系统108。
在一些实施例中,至少一个车辆运动传感器120可以与再生动力传动系统108相连接。例如但不限制于,车辆运动传感器120可以包括至少一个车轮速度传感器和/或至少一个加速度传感器(比如纵向加速度传感器,横向加速度传感器等)或减速度传感器。车辆运动传感器120可以适合于将表示前轮105和后轮107中的至少一个的车轮速度和/或车辆102的加速度或减速度的运动传感器信号122传递给再生动力传动系统108。在一些实施例中,车辆运动传感器120可以适合于检测在前轮105遇到前胎撞击事件比如隆起物,坑洼,冰块或类似物的情况下的车轮速度和/或车辆加速度或减速度,并且响应地将运动传感器信号122传递给再生动力传动系统108。
再生动力传动系统108可以适合于在再生动力传动系统108响应于前胎撞击事件而接收车轮滑动传感器信号114和/或运动传感器信号122的情况下,降低应用到前轮105和/或后轮107上的再生制动扭矩。再生制动扭矩降低的幅度可以正比于在前胎撞击事件过程中在前轮105处检测到的车轮滑动的幅度。
在系统100的示例性应用中,在车辆102的制动过程中,再生动力传动系统108应用再生制动扭矩到前桥104和/或后桥106。再生动力传动系统108产生可以储存在电力存储设备110中和可以在车辆102的推进中使用的电力。
在车辆制动过程中前轮105遇到前胎撞击事件的情况下,车轮滑动传感器112可以检测在前轮105处的车轮滑移和响应地将车轮滑动传感器信号114传递给再生动力传动系统108。此外或可选地,车辆运动传感器120可以检测加速度,减速度和/或其它的车辆运动,且响应地将运动传感器信号120传递给再生动力传动系统108。再生动力传动系统108可以使用车轮滑动和/或车辆运动数据来降低在后轮107处的再生制动扭矩。在后轮107处的再生制动扭矩中降低的幅度可以与车轮滑移的幅度和/或车辆运动的幅度成比例,车轮滑移的幅度在前轮105处通过车轮滑动传感器检测,车辆运动的幅度通过车辆运动传感器120检测。因此,再生动力传动系统108可以利用来自于车辆运动传感器120中的运动传感器信号122和/或来自于驱动轴位置传感器112的驱动轴位置传感器信号114来抑制车辆102制动过程中的再生制动扭矩和保持在前胎撞击事件过程中车辆102的稳定性。
下面参照附图的图2,显示了再生制动控制方法的说明性实施例的框图200。方法200开始于框202。在框204处,关于车辆制动是否被应用可以确定。如果车辆制动没有被应用,则方法可以在框206处结束。如果车辆制动在框204处被应用,则在框208处关于前胎撞击事件是否正在发生可以确定。前胎撞击事件可以基于车轮滑动数据和/或车辆运动数据检测。
如果前胎撞击事件在框208处没有发生,则方法可以在框206处结束。如果前胎撞击事件发生,则在后轮处的再生制动扭矩可以在框210处降低。再生制动降低的幅度可以正比于滑动的幅度和/或车辆运动的幅度,滑动的幅度在前轮处检测,车辆运动的幅度其在前胎撞击事件过程中检测。
尽管本发明的实施例已经关于某些示例性实施例进行了描述,但是应当理解的是,具体实施方式是为了说明的目的而不是限制,因为对于本领域技术人员来说,可以想到其它的变化。
Claims (8)
1.一种用于电气化车辆的再生制动控制系统,包含:
至少一个传感器,其适合于在车辆制动过程中感测前胎撞击事件和响应于前胎撞击事件而传递传感器信号;以及
再生动力传动系统,其与至少一个传感器相连接和适合响应于接收到来自至少一个传感器的传感器信号而降低再生制动扭矩。
2.根据权利要求1所述的系统,其中车辆包含混合动力电动车辆。
3.根据权利要求1所述的系统,其中车辆包括插电式混合动力电动车辆。
4.根据权利要求1所述的系统,进一步包含与再生动力传动系统相连的和适合于存储来自再生动力传动系统电力的电力存储设备。
5.根据权利要求1所述的系统,其中再生动力传动系统适合于应用再生制动扭矩到车辆的前桥和后桥中的至少一个。
6.根据权利要求5所述的系统,其中再生动力传动系统适合响应于接收到来自至少一个传感器的传感器信号而降低车辆后桥处的再生制动扭矩。
7.根据权利要求1所述的系统,其中再生动力传动系统适合于应用再生制动扭矩到车辆的前轮和后轮中选择的一个。
8.根据权利要求7所述的系统,其中再生动力传动系统适合响应于接收到来自至少一个传感器的传感器信号而降低车辆后桥处的再生制动扭矩。
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