CN103863276B - 并行再生制动扭矩调节系统及方法 - Google Patents

并行再生制动扭矩调节系统及方法 Download PDF

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CN103863276B
CN103863276B CN201310659352.3A CN201310659352A CN103863276B CN 103863276 B CN103863276 B CN 103863276B CN 201310659352 A CN201310659352 A CN 201310659352A CN 103863276 B CN103863276 B CN 103863276B
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brake
pedal
vehicle
travel sensor
braking torque
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CN103863276A (zh
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约翰·菲利普·麦考米克
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Ford Global Technologies LLC
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    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • 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
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    • B60T7/02—Brake-action initiating means for personal initiation
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    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
    • 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • 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
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    • B60L2240/00—Control parameters of input or output; Target parameters
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    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W2540/00—Input parameters relating to occupants
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    • 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
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    • Y02T10/64—Electric machine technologies in electromobility
    • 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
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Abstract

本发明公开了一种用于电动车辆的并行再生制动扭矩调节系统，其包括适用于基于车辆制动踏板移动经过运动范围的至少一部分来传送制动踏板行程传感器信号的制动踏板行程传感器；适用于使用来自制动踏板行程传感器的制动踏板行程传感器信号将再生制动扭矩施加在车辆上的再生制动系统。

Description

并行再生制动扭矩调节系统及方法
技术领域
本发明总体上涉及再生制动。更具体地，本发明涉及并行再生制动扭矩调节系统及方法，其中再生制动系统踏板行程传感器用于控制车辆中的并行再生制动。
背景技术
为了改进燃油经济性，混合动力电动车辆（HEV）可以利用再生（regenerative（regen））制动，其中在制动过程中动能被电机转化为可储存的能量，接着可用于车辆推进。当前，并行再生制动通过BOO（制动器开启/关闭）开关来控制。当BOO开关在制动事件过程中关闭时，再生动力传动系统应用固定量级的制动扭矩来停止车辆。尽管扭矩可以通过校准参数（cal parameters）来增大和减小，但是扭矩控制是有限的，这是由于BOO开关的阶跃函数特性（step function behavior）。因此，车辆制动事件多少会有些不平顺。
并行再生制动器系统可以包括再生制动系统踏板行程传感器，其感测车辆制动踏板在踏板位置的连续范围内的行程位置。因此，来自传感器的信号可以用于控制BOO开关的操作，以使BOO开关在连续范围内控制再生动力传动系统的制动扭矩，使车辆制动事件更平顺。
因此，需要提供一种并行再生制动扭矩调节系统及方法，其中再生制动系统踏板行程传感器用于控制车辆中的并行再生制动。
发明内容
本发明总体上涉及一种用于电动车辆的并行再生制动扭矩调节系统。该系统的说明性实施例包括：适用于基于车辆制动踏板移动经过运动范围的至少一部分来传送制动踏板行程传感器信号的制动踏板行程传感器；适用于使用来自制动踏板行程传感器的制动踏板行程传感器信号将再生制动扭矩施加在车辆上的再生制动系统。
在某些实施例中，并行再生制动扭矩调节系统可以包括：具有装有前轮的前轴以及装有后轮的后轴的车辆；耦接至前和后轴中的至少一个并适用于将再生扭矩施加在前和后轴中的至少一个上的再生动力传动系统；与再生动力传动系统连接的制动踏板行程传感器；与制动踏板行程传感器连接的车辆制动踏板，所述制动踏板行程传感器适用于基于车辆制动踏板移动经过运动范围的至少一部分来将制动踏板行程传感器信号传送至再生动力传动系统；与再生动力传动系统连接的制动器开启/关闭开关。所述再生动力传动系统适用于响应于接收到来自制动踏板行程传感器的制动踏板行程传感器信号而将再生扭矩施加在前和后轴中的至少一个上。
本发明总体上还涉及一种并行再生制动扭矩调节方法。该方法的说明性实施例包括，如果制动踏板行程传感器信号可用，则使用制动踏板行程传感器信号来控制车辆的并行再生。
附图说明
现在将通过示例方式、参考附图来对本发明的说明性实施例做出描述，其中：
图1为表示并行再生制动扭矩调节方法的说明性实施例的框图；并且
图2为表示并行再生制动扭矩调节方法的说明性实施例的流程图。
具体实施方式
下文详细的说明实质上仅仅是示例性的，并不是为了限制所述的实施例或所述实施例的应用和用途。如这里所使用的，词语“示例性”或“说明性”意味着“用作示例、实例或例证”。这里描述为“示例性”或“说明性”的任何实施方式都不必理解为比其他实施方式更优选或有益。下文所述的所有实施方式都是用于使本领域技术人员能够实施本发明的示例性的实施方式，并不是为了限制权利要求的范围。而且，这里所述的说明性实施例不是穷尽性的，并且除了这里所述的以及落在所附权利要求的范围内的实施例或实施方式也是可以的。此外，并无意被前面的技术领域、背景技术、发明内容或下面的具体实施方式中出现的任何明示或暗示的理论所约束。
首先参考图1，并行再生制动扭矩调节系统——下文中称系统——的说明性实施例总体上由附图标记100来表示。该系统100可以包括车辆102。在某些实施例中，例如但不限于，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可以具有装有一对前轮105的前轴104以及装有一对后轮107的后轴106。
再生动力传动系统108可以与车辆102的前轴104和后轴106中的至少一个连接。在某些实施例中，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连接。再生动力传动系统108可以适用于在车辆102的制动过程中典型地以传统的方式将再生扭矩施加在前轴104和/或后轴106上。再生动力传动系统108可以适用于将来自旋转的前轴104和/或后轴106的机械能转化为电能。电能可以储存在电池或与再生动力传动系统108电连接的其他合适的电储存设备110中。储存在电储存设备110中的电能可以例如以传统的方式用于车辆102的推进。
制动踏板行程传感器114可以与再生动力传动系统108连接。在某些实施例中，制动踏板行程传感器114可以被硬线连接至再生动力传动系统108中。在某些实施例中，制动踏板行程传感器114可以通过控制器局域网络（CAN）等与再生动力传动系统108连接。制动踏板行程传感器114可以与车辆102的制动踏板116电子地连接。制动踏板行程传感器114可以适用于感测车辆制动踏板116在车辆102的制动过程中在车辆制动踏板116的整个运动范围中的位置。制动踏板行程传感器114还可以适用于响应于踩下车辆制动踏板116而将制动踏板行程传感器信号115传送至再生动力传动系统108。作为响应，再生动力传动系统108可以适用于将再生扭矩施加在车辆102的前轴104和/或后轴106上。
BOO（制动器开启/关闭）开关112可以与再生动力传动系统108连接。BOO开关112可以适用于在再生动力传动系统108未接收到来自制动踏板行程传感器114的制动踏板行程信号115的情况下基于车辆102的制动而驱动再生动力传动系统108。
在系统100的示例性操作中，再生动力传动系统108连续监控是否从制动踏板行程传感器114接收到制动踏板行程传感器信号115。在车辆102的制动过程中，车辆102的操作者（未示出）应用制动踏板116，其中制动踏板116移动经过了其运动范围的至少一部分。在正常情况下，制动踏板行程传感器114连续感测制动踏板116在其运动过程中的位置，并将制动踏板行程传感器信号115传送至控制器110。制动踏板行程传感器信号115在车辆制动过程中将车辆制动踏板116的位置连续指示给再生动力传动系统108。通过根据对应于车辆制动踏板116在其运动范围内的位置变化的量级将再生扭矩以动态、渐变且非阶梯式的方式施加在前轴104和/或后轴106上，再生动力传动系统108可以调节车辆102的并行再生制动。在再生动力传动系统108未感测到从制动踏板行程传感器114接收到制动踏板行程信号115的情况下，BOO开关112可以典型地以传统方式来控制再生动力传动系统108的并行再生制动。
接着参考图2，并行再生制动扭矩调节方法的说明性实施例——下文中称方法——总体上用附图标记200来表示。在某些实施例中，可以设置需要车辆的并行再生被启动的故障。方法200在框202开始。在框204中，可以做出关于制动踏板行程传感器信号是否可用的询问。如果制动踏板行程传感器信号不可用，则在框206中，制动踏板开启/关闭（BOO）开关可以用于控制车辆的并行再生制动。该方法可以接着在框210结束。
如果框204中的询问结果表明制动踏板行程传感器信号可用，则在框208中，制动踏板行程信号可以用于控制车辆的并行再生制动。该方法可以接着在框210结束。
尽管已经就某些示例性实施例对本发明的实施例做出了说明，但是应当理解，特定实施例是为了说明而不是为了限制，对于本领域技术人员来说其他变化也可以想到。

Claims (7)

1.一种用于电动车辆的并行再生制动扭矩调节系统，其特征在于，包含：
适用于基于车辆制动踏板移动经过运动范围的至少一部分来传送制动踏板行程传感器信号的制动踏板行程传感器；
适用于使用来自制动踏板行程传感器的制动踏板行程传感器信号将再生制动扭矩施加在车辆上的再生制动系统；以及
制动器开启/关闭开关，
其中，当来自制动踏板行程传感器的制动踏板行程传感器信号没有被再生制动系统接收到时，所述再生制动系统用于通过制动器开启/关闭开关的控制将再生制动扭矩施加在车辆上，
其中所述再生制动系统还配置为根据对应于车辆制动踏板的位置变化的量级以渐变且非阶梯式的方式调节再生制动扭矩。
2.根据权利要求1所述的用于电动车辆的并行再生制动扭矩调节系统，其特征在于，所述制动器开启/关闭开关与再生制动系统连接。
3.根据权利要求1所述的用于电动车辆的并行再生制动扭矩调节系统，其特征在于，所述车辆包含混合动力电动车辆。
4.根据权利要求1所述的用于电动车辆的并行再生制动扭矩调节系统，其特征在于，所述车辆包含插电式混合动力电动车辆。
5.根据权利要求1所述的用于电动车辆的并行再生制动扭矩调节系统，其特征在于，还包含适用于储存来自再生制动系统的电能的电储存设备。
6.根据权利要求1所述的用于电动车辆的并行再生制动扭矩调节系统，其特征在于，所述再生制动系统适用于将再生扭矩施加在车辆的前轮和后轮中选定的一个上。
7.一种并行再生制动扭矩调节系统，其特征在于，包含：
具有装有前轮的前轴以及装有后轮的后轴的车辆；
耦接至前和后轴中的至少一个并适用于将再生扭矩施加在前和后轴中的至少一个上的再生动力传动系统；
与再生动力传动系统连接的制动踏板行程传感器；
与制动踏板行程传感器连接的车辆制动踏板，所述制动踏板行程传感器适用于基于车辆制动踏板移动经过运动范围的至少一部分来将制动踏板行程传感器信号传送至再生动力传动系统；
与再生动力传动系统连接的制动器开启/关闭开关；并且
所述再生动力传动系统适用于响应于接收到来自制动踏板行程传感器的制动踏板行程传感器信号而将再生扭矩施加在前和后轴中的至少一个上，
当来自制动踏板行程传感器的制动踏板行程传感器信号没有被再生制动系统接收到时，再生动力传动系统适用于通过制动器开启/关闭开关的控制将再生扭矩施加在车辆上，
其中所述再生制动系统还配置为根据对应于车辆制动踏板的位置变化的量级以渐变且非阶梯式的方式调节再生制动扭矩。
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