CN102700426A - Running control system of electric automobile and running control method - Google Patents

Running control system of electric automobile and running control method Download PDF

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Publication number
CN102700426A
CN102700426A CN2012101702040A CN201210170204A CN102700426A CN 102700426 A CN102700426 A CN 102700426A CN 2012101702040 A CN2012101702040 A CN 2012101702040A CN 201210170204 A CN201210170204 A CN 201210170204A CN 102700426 A CN102700426 A CN 102700426A
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China
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electric vehicle
vehicle
mileage
information
destination
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CN2012101702040A
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Chinese (zh)
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周春英
张启文
汤小生
赵福全
马芳武
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浙江吉利控股集团有限公司
浙江吉利汽车研究院有限公司
浙江吉利汽车研究院有限公司杭州分公司
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Priority to CN2012101702040A priority Critical patent/CN102700426A/en
Publication of CN102700426A publication Critical patent/CN102700426A/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/163Information or communication technologies related to charging of electric vehicle

Abstract

The invention relates to a running control system of an electric automobile and a running control method, wherein the running control method comprises the steps that according to the destination set by a user, the running mileage needed for the electric automobile is calculated, and information of charging places on the way in a set route is displayed; a speed signal of the electric automobile and the charging information of a power battery are obtained; according to the needed running mileage, the speed signal of the electric automobile and the charging information, whether the electric automobile can be driven to the destination can be judged in the conditions of the speed signal of the electric automobile and the charging information, and the supportable running mileage is provided; and when the supportable running mileage is less than the needed running mileage, the user is reminded to drive to a recommended charging place for charging according to the supportable running mileage and the information of the charging place one the way. Whether the electric automobile can be driven to the destination in the conditions of the speed signal of the electric automobile and the charging information is judged in real time and the user is reminded to charge firstly when the electric automobile can not be driven to the destination, so that the intelligence, the running reliability, the safety and the running capacity of the electric automobile can be improved.

Description

电动汽车的行驶控制系统及行驶控制方法技术领域 Electric vehicle travel control system and cruise control TECHNICAL FIELD

[0001] 本发明涉及电动汽车的控制技术领域,特别涉及电动汽车的行驶控制系统及行驶控制方法。 [0001] Technical Field The present invention relates to control of electric vehicles, and more particularly to an electric vehicle driving control system and a running control method.

背景技术 Background technique

[0002] 电动汽车主要以蓄能动カ电池作为能源,采用电机驱动电动汽车行驶,具备零排放、低噪音等特性,因此,电动汽车逐渐成为未来汽车发展的主要走向之一。 [0002] electric vehicles mainly in the energy storage battery as the energy moving ka, motor-driven electric cars, with zero emissions and low noise characteristics, and therefore, the electric car is becoming one of the key to the future development of the automobile. 随着动カ电池技术的不断发展,我国电动汽车也正在迅速发展。 With the development of dynamic ka battery technology, electric vehicles in China is also growing rapidly. 按照目前的技木,只需要8-13千瓦时(kWh)的电量,电动汽车就能持续行驶上百公里。 According to the current technology of wood, just 8-13 kilowatt-hours (kWh) of electricity, electric vehicles will be able to continue to travel hundreds of kilometers. 在当前动カ电池技术未得到突破前,电动汽车行驶距离取决于车载动カ电池的能量的多少。 Before the current move has not been a breakthrough in battery technology grades, depending on how many electric cars from car moving energy ka battery. 动カ电池能量多,电动汽车行驶距离就远;反之,则电动汽车行驶距离就近。 Multiple grades movable battery power, it is far away from the electric car; the contrary, the distance of the nearest electric car.

[0003] 然而在现阶段,电动汽车受动力电池能量密度低和充电基础设施并不完善的限制,往往会出现电动汽车充电难和电动汽车行至半路因动力电池电量不足而抛锚的问题, 进而影响了纯电动汽车的行驶能力。 [0003] However, at this stage, an electric car powered by a low energy density batteries and charging infrastructure is not well-limit, will always be a difficult and electric vehicle charging electric vehicles halfway line to the problem due to lack of battery power and power broke down, thus affect the pure electric vehicle driving ability.

发明内容 SUMMARY

[0004] 因此,本发明提供电动汽车的行驶控制系统及行驶控制方法,以克服现有电动汽车技术存在的问题。 [0004] Accordingly, the present invention provides an electric vehicle driving control system and driving control method to overcome the present problem of the prior art electric vehicle.

[0005] 具体地,本发明实施例提出的ー种电动汽车的行驶控制系统,包括车载导航系统、防抱死控制器、电池管理系统以及整车控制器。 [0005] Specifically, with the electric vehicle control system according to species ー forth embodiment of the present invention, comprising a vehicle navigation system, anti-lock controller, a battery management system and a vehicle controller. 其中,车载导航系统用于根据用户设定的目的地计算并提供电动汽车需行驶的里程、并显示设定路线上沿途的充电点信息;防抱死控制器用于根据车速传感器的采集结果提供电动汽车的车速信号;电池管理系统用于提供电动汽车的动カ电池的荷电信息;以及整车控制器用于利用根据防抱死控制器及电池管理系统分别提供的电动汽车的车速信号及动カ电池的荷电信息而计算出的可支持行驶的里程与车载导航系统提供的电动汽车需行驶的里程判断电动汽车在所述车速信号及荷电信息条件下可否到达设定的目的地。 Wherein, for calculating a vehicle navigation system according to the destination set by the user and provide for an electric vehicle miles traveled, and displays the setting information of the charging point along the route; antilock controller for providing power according to the results of the acquisition of the vehicle speed sensor car speed signal; information charge of a battery management system for providing dynamic ka electric vehicle battery; and a controller for vehicle use according to an antilock controller and a battery management system are provided an electric vehicle and a vehicle speed signal movable ka the battery charge information can be calculated to support the mileage and vehicle navigation system for an electric vehicle provided with the electric vehicle mileage is determined at the vehicle speed signal and the charge condition information whether arrival destination. 此外,车载导航系统在获知判断结果为电动汽车不能到达设定的目的地时,根据可支持行驶的里程及设定路线中沿途的充电点信息提醒用户先行驶至推荐的充电点进行充电后再行驶至设定的目的地。 In addition, car navigation systems informed judgment result in electric vehicles can not reach the set destination, according to the charging point and set route mileage in traveling support along the information to alert the user reaching the recommended first charging point for charging after travel to the destination.

[0006] 在本发明实施例中,上述的行驶控制系统例如还包括电机控制器,用于在荷电信息指示动カ电池的荷电量低于预设值时,接受整车控制器发送的限制输出功率指令的控制以限制电动汽车的车速。 [0006] In an embodiment of the present invention, the above-described example, the travel control system further comprises a motor controller for moving the time indicating charge information ka battery charge amount is lower than a preset value, the vehicle controller sends the acceptable limits output power control command to limit the speed of an electric vehicle. 上述行驶控制系统例如还包括组合仪表,用于显示可支持行驶的里程以及在电动汽车被限制车速时显示电动汽车当前处于限功率状态。 The traveling control system further includes, for example, instrument cluster, for displaying the mileage and support the display when the electric vehicle is an electric vehicle current speed limit is a limited power state. 上述车载导航系统、防抱死控制器、电池管理系统与整车控制器例如通过现场总线(例如CAN总线)连接。 The in-vehicle navigation systems, anti-lock controller, and a battery management system connected to the vehicle controller, such as via a field bus (e.g. a CAN bus). 上述预设值例如为动カ电池的荷电总量的20%。 The preset value, for example 20% of the total amount of charge of the battery is movable ka.

[0007] 另外,本发明实施例提出的一种电动汽车的行驶控制方法,包括步骤:根据用户设定的目的地计算电动汽车需行驶的里程、并显示设定路线中沿途的充电点信息;获取电动汽车的车速信号;获取电动汽车的动カ电池的荷电信息;根据电动汽车需行驶的里程、车速信号及动カ电池的荷电信息判断电动汽车在当前的车速信号及荷电信息条件下可否到达设定的目的地并提供可支持行驶的里程;以及当判断结果为电动汽车不能到达设定的目的地时,则根据可支持行驶的里程及设定路线中沿途的充电点信息提醒用户先行驶至推荐的充电点进行充电。 [0007] Further, an electric vehicle running control method provided by the embodiments of the present invention, comprising the steps of: calculating the mileage for an electric vehicle according to a destination set by the user, and display the charge set point along the route information; acquiring a vehicle speed signal electric vehicle; acquiring charged information movable ka cell electric vehicle; electric vehicle according to need with mileage, vehicle speed signal and the charge information movable ka cell determines the electric vehicle in the current vehicle speed signal and the charge information condition the possibility of reaching the set destination and provides support for the mileage; and when the judgment result is set to the electric vehicle can not reach the destination, and the reminder is set in accordance with the route mileage may be supported along with the information of the charging point users reaching recommended first charging point for charging.

[0008] 在本发明实施例中,上述的行驶控制方法例如还包括步骤:显示可支持行驶的里程;或者还可包括步骤:在上述荷电信息指示动カ电池的荷电量低于预设值时,限制电动汽车的驱动电机的输出功率以限制电动汽车的车速。 [0008] In an embodiment of the present invention, the above-described example, the travel control method further comprising the step of: displaying the mileage support; or further comprising the step of: the information indicating the above-described charge action ka battery charge amount is lower than a preset value when the output power limit of the electric vehicle drive motor electric vehicles to limit the vehicle speed. 并且,上述的行驶控制方法还可包括步骤:在驱动电机的输出功率被限制时,显示电动汽车处于限功率状态。 And the travel control method may further comprise the steps of: driving the motor when the output power is limited, the display state of the electric vehicle is a limited power.

[0009] 由上述实施例可知,本发明通过实时判断在当前的车速信号及荷电信息条件下可否直接到达设定的目的地并在不能直接达到设定的目的地时提醒用户先进行充电、甚至控制电动汽车处于限功率状态,从而提高了系统智能性以及整车运行的可靠性、安全性和行驶能力。 [0009] apparent from the above embodiment, the present invention is determined whether real-time directly to the destination set in the current vehicle speed signal and the charge information and alert the user when the condition is not directly reach the destination set by the first charge, even electric cars are in limited power control state, thereby improving the reliability and intelligence systems, vehicle safety and driving ability to run.

[0010] 上述说明仅是本发明技术方案的概述,为了能够更清楚了解本发明的技术手段,而可依照说明书的内容予以实施,并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂,以下特举较佳实施例,并配合附图,详细说明如下。 [0010] The above description is only an overview of the technical solution of the present invention, in order to more fully understood from the present invention, but may be implemented in accordance with the contents of the specification, and in order to make the aforementioned and other objects, features and advantages of the present invention can be more apparent from the following Patent cited preferred embodiments accompanied with figures are described in detail below.

附图说明 BRIEF DESCRIPTION

[0011] 图I是本发明实施例提出的电动汽车的行驶控制系统的主要架构方块图。 [0011] Figure I is a block diagram showing the main architecture of the control system of an electric vehicle traveling according to the embodiment of the present invention proposed.

[0012] 图2是本发明实施例提出的电动汽车的行驶控制方法的步骤流程图。 [0012] FIG. 2 is a step of an electric vehicle running control method provided by the embodiments of the present invention a flowchart.

具体实施方式 Detailed ways

[0013] 为更进一步阐述本发明为达成预定发明目的所采取的技术手段及功效,以下结合附图及较佳实施例,对依据本发明提出的电动汽车的行驶控制系统及行驶控制方法其具体实施方式、结构、特征及功效,详细说明如后。 [0013] To further elaborate the technical means and effects the present invention is predetermined to achieve the object of the invention taken in conjunction with the accompanying drawings and the following preferred embodiments, with the control system and method for controlling driving according to the present invention provides an electric vehicle which specific embodiment, the structure, characteristics and efficacy, as will be described in detail.

[0014] 有关本发明的前述及其他技术内容、特点及功效,在以下配合參考图式的较佳实施例详细说明中将可清楚的呈现。 [0014] For the aforementioned and other technical contents, characteristics and effects of the present invention, in the following embodiments with reference to the drawings in detail preferred presentation will clearly be described. 通过具体实施方式的说明,当可对本发明为达成预定目的所采取的技术手段及功效得以更加深入且具体的了解,然而所附图式仅是提供參考与说明之用,并非用来对本发明加以限制。 By way of illustration specific embodiments, when the technical means and effects can of the present invention to achieve the intended purpose taken to thoroughly and concretely understood, however, that the appended drawings are merely provided for reference and illustration, and is not used to the present invention will be limit.

[0015] 图I是本发明实施例提出的电动汽车的行驶控制系统的主要架构方块图。 [0015] Figure I is a block diagram showing the main architecture of the control system of an electric vehicle traveling according to the embodiment of the present invention proposed. 请參阅图1,电动汽车的行驶控制系统包括:车载导航系统11、防抱死控制器(ABS,Anti-Iockedbraking system) 12、电池管理系统(BMS, Battery management system) 13、电机控制器(IPU, Integrated power unit) 14、整车控制器(VCU, Vehicle control unit) 15 以及组合仪表16。 Please refer to FIG. 1, an electric vehicle drive control system comprising: a car navigation system 11, an antilock controller (ABS, Anti-Iockedbraking system) 12, a battery management system (BMS, Battery management system) 13, a motor controller ( IPU, Integrated power unit) 14, vehicle control unit (VCU, vehicle control unit) 15 and a combination meter 16. 其中,车载导航系统11、防抱死控制器12、电池管理系统13、电机控制器14、整车控制器15及组合仪表16皆通过现场总线例如CAN总线18相连接。 Wherein the car navigation system 11, the antilock controller 12, a battery management system 13, the motor controller 14, the controller 15 and the vehicle combination meter 16 such as a CAN bus 18 are connected via a fieldbus.

[0016] 更具体地,车载导航系统11例如为GPS导航系统,其用于根据用户设定的目的地实时计算电动汽车需行驶的里程、并显示设定路线中沿途的充电点信息例如包括充电点位置信息,且可在电动汽车的动カ电池23的剰余荷电量不足以到达设定的目的地而需要充电时根据可支持行驶的里程及沿途的充电点信息推荐充电点并提醒用户行驶至推荐的充电点进行充电。 [0016] More specifically, a car navigation system 11, for example, GPS navigation system according to the destination set by the user with real-time calculation of mileage for an electric vehicle, and display settings charging point along the route information includes, for example charge point location information, and may be insufficient to reach a destination set in motion electric vehicle battery for Surplus grades of more than 23 Dutch power and charging is needed based on mileage and travel along the support of the charging point information recommended charging point and alerts the user to travel recommended charging point for charging.

[0017] 防抱死控制器12用于根据车速传感器22 (例如轮速传感器)的采集结果实时提供电动汽车的车速信号,并将车速信号发送至CAN总线18上。 [0017] The antilock controller 12 for providing a vehicle speed signal in real time according to the collected electric vehicle speed sensor 22 results (e.g., wheel speed sensor), and a vehicle speed signal to the CAN bus 18.

[0018] 电池管理系统13用于提供电动汽车的动力电池23的实时荷电信息(SOC,Stateof charge),在此,荷电信息指示出动カ电池23的荷电量。 [0018] 13 battery management system for electric vehicles to provide real-time battery charge information (SOC, Stateof charge) 23 is, in this case, charge the battery 23 ka information indicates dispatched charged amount.

[0019] 电机控制器14与驱动电机24相连接,用于控制驱动电机24的输出功率以借此控制电动汽车的车速。 [0019] The motor controller 14 is connected to the drive motor 24, for controlling the output power of the driving motor 24 to thereby control the speed of the electric car.

[0020] 整车控制器15与油门踏板25连接以接收油门踏板25提供的油门信号,例如在用户踏下电动汽车的油门踏板25时,油门踏板25提供相对应的油门信号至整车控制器15以下达相应的控制指令至电机控制器14来控制驱动电机24的输出功率,进而使电动汽车以期望的车速行驶。 [0020] The vehicle controller 15 and the throttle signal 25 is connected to an accelerator pedal of the accelerator pedal 25 receives the throttle signal supplied, for example, when the user depresses 25 the electric vehicle accelerator pedal, an accelerator pedal 25 provided corresponding to the vehicle controller 15 or less of corresponding control commands to the motor controller 14 to control the output power of the driving motor 24, thereby enabling the electric vehicle running at a desired speed. 再者,整车控制器15可用于利用根据防抱死控制器12及电池管理系统13分别提供的电动汽车的车速信号及动カ电池23的荷电信息而计算出的可支持行驶的里程与车载导航系统11提供的电动汽车需行驶的里程判断电动汽车在当前的车速信号及荷电信息条件下可否到达设定的目的地。 Further, the vehicle controller 15 is operable to utilize the calculated charge information according to a vehicle speed signal antilock controller 12 and a battery management system 13 are provided an electric vehicle battery 23 and the movable support ka the mileage and car navigation system 11 provides electric cars need to determine the mileage of electric vehicles in the current vehicle speed signal and charge information whether the conditions to reach the destination. 具体地,如果电动汽车在当前的车速信号及荷电信息条件下可支持行驶的里程小于电动汽车需行驶的里程,则判断为电动汽车不能够到达目的地;如果电动汽车在当前的车速信号及荷电信息条件下可支持行驶的里程大于电动汽车需行驶的里程,则判断为电动汽车能够到达目的地。 Specifically, if the electric vehicle can be supported is less than the mileage of the electric vehicle mileage required with the current vehicle speed signal and the charge condition information, it is determined that the electric vehicle is not capable of reaching the destination; if the electric vehicle and the current vehicle speed signal under the conditions of charge information to support the mileage of electric cars to be greater than the mileage, it is determined that electric vehicles can reach their destination. 此外,整车控制器15在动カ电池23的荷电信息指示荷电量低于预设值(例如荷电总量的20%)时发送限制输出功率指令至电机控制器14,以由电机控制器14来限制驱动电机24的输出功率,达到控制车速来保证剩余荷电量能到达充电点。 Further transmission limit, the controller 15 in the vehicle battery 23 ka movable charge information indicating a value lower than a predetermined charge amount (e.g. 20% of total charge) output power command to the motor controller 14 to the motor control 14 to limit the output power of the drive motor 24, to control the vehicle speed to ensure that the remaining charge amount to reach the point of charge.

[0021] 组合仪表16则可用于显示上述可支持行驶的里程、或者其他状态信息例如显示电动汽车处于限功率状态等。 [0021] The composition can be used for displaying the meter 16 may support the mileage, or other state information, for example, an electric vehicle is limited power display status.

[0022] 请ー并參阅图I及图2,其中图2是本发明实施例提出的电动汽车的行驶控制方法的步骤流程图。 [0022] Please refer to FIGS ー and I and 2, wherein the step of FIG. 2 is an electric vehicle running control method provided by the embodiments of the present invention a flowchart. 具体地,本发明实施例的行驶控制方法可大致包括以下步骤S201-S209。 Running control method of the embodiment specifically, the present invention can generally comprise the steps S201-S209.

[0023] 步骤S201 :在用户启动电动汽车后,车载导航系统11将进入工作状态,其可根据用户设定的目的地计算出电动汽车需行驶的里程(也即从电动汽车所在位置到设定的目的地所需行驶的剰余里程)并凸显设定路线中沿途的充电点(例如充电站或充电桩)信息;并且,计算出的电动汽车需行驶的里程可通过CAN总线18发出,提供给整车控制器15共享。 [0023] Step S201: when a user initiates an electric car, a car navigation system 11 into operation, which can be calculated for an electric vehicle according to the mileage of a destination set by the user (i.e., from electric vehicle location to set desired travel destination for Surplus mileage I) and highlight the set charging point along the route (e.g., the charging station or charging post) information; and calculated for an electric vehicle travel mileage may be issued via the cAN bus 18, to provide VCU 15 share.

[0024] 步骤S202 :防抱死控制器12通过车速传感器22实时采集当前的车速并将获取的车速信息上报至CAN总线18上共享。 [0024] Step S202: the antilock controller 12 through the vehicle speed sensor 22 and the current vehicle speed real-time acquisition of the acquired vehicle information reported to the CAN bus 18 shared.

[0025] 步骤S203 :电池管理系统13实时获取电动汽车的动力电池23的荷电信息并将获取到的荷电信息发出至CAN总线18上。 [0025] Step S203: a battery management system 13 acquired in real time an electric vehicle battery 23 and charge information acquired charge information sent to the CAN bus 18.

[0026] 步骤S205 :整车控制器15根据车载导航系统11、防抱死控制器12及电池管理系统13分别提供的电动汽车需行驶的里程、当前的车速信号及动カ电池的荷电信息实时判断在当前的车速信号及荷电信息条件下电动汽车可否到达设定的目的地并提供可支持行驶的里程。 [0026] Step S205: the controller 15 in accordance with vehicle-vehicle navigation system 11, the antilock controller 12 and the battery management system 13 are provided for an electric vehicle miles traveled, vehicle speed signal and the current charge of the battery moving information ka Real-time judge in the current vehicle speed signal and charge information whether the conditions for electric vehicles to reach the set destination and provide support for the mileage.

[0027] 步骤S206 :步骤S205计算所得的可支持行驶的里程可通过CAN总线18发送至组合仪表16进行显示。 [0027] Step S206: Step S205 may be calculated to support the mileage CAN bus 18 can be transmitted to the instrument cluster 16 displayed by. [0028] 步骤S207 :当整车控制器15判断在当前的车速信号及荷电信息条件下电动汽车不能到达设定的目的地时(对应判断结果为否),其表示可支持行驶的里程小于电动汽车到达设定的目的地需行驶的里程,则由车载导航系统11根据可支持行驶的里程及设定路线中沿途的充电点信息提醒用户先行驶至推荐的充电点进行充电,例如车载导航系统11做出决定提醒用户(例如凸显信息及/或声音报警)需要在距离推荐的充电点十公里(此处仅为举例,具体需根据充电点的分布情况来定)处改变原设定路线:先行驶至推荐的充电点充电再到达原设定的目的地。 [0028] Step S207: When the controller 15 determines the vehicle speed signal and the current charge condition of the electric vehicle can not reach information about the set destination (corresponding to the determination result is NO), which represents less than the mileage to support electric vehicle reaches the set destination to be the mileage, car navigation systems by 11 to alert the user to set the route according to mileage and driving in along the way to support the charging point information reaching the recommended first charging point for charging, such as a car navigation the system 11 to alert the user to make a decision (e.g., highlight information and / or audio alarms) needs to point at a distance of ten kilometers recommended charge (here only as an example be determined according to the specific needs of the distribution of the charging point) is set at change the original route : first reaching the recommended charging charging point before reaching the original destination.

[0029] 步骤S208 :当车载导航系统11提醒用户改变原设定路线后,如果整车控制器15获知动カ电池23的荷电信息指示荷电量低于预设值(例如荷电总量的20%,实际应用时可根据需要调整),则整车控制器15可通过CAN总线18发送限制输出功率指令至电机控制器14以限制驱动电机24的输出功率(在此,输出功率可根据当前的荷电信息条件下可支持行驶的里程与剰余里程进行计算获得),达到控制车速来保证剩余电量能使电动汽车到达充电点。 [0029] Step S208: When the vehicle navigation system 11 to remind the user to change the setting of the original route, the controller 15 to know if the vehicle battery 23 ka movable charge information indicating a value lower than a predetermined charge amount (total electric charge e.g. 20%, can be adjusted as required), the vehicle controller 15 via the cAN bus practical application 18 sends commands to limit the output power of the motor controller 14 to limit the output power of the driving motor 24 (in this case, according to the current output power It can support more than the mileage and mileage for surplus be charged under the condition information obtained by calculation), to control the vehicle speed to ensure that the remaining power electric vehicle can reach the charging point.

[0030] 步骤S209 :当驱动电机24的输出功率被限制后,用户急加速功能将无法实现,整车控制器15将通过CAN总线18将相关信息发给组合仪表16显示电动汽车处于限功率状态。 [0030] Step S209: When the output power of the driving motor 24 is limited, the user will not be able to achieve rapid acceleration function, the vehicle 18 to the controller 15 related to display information to the instrument cluster 16 at a limited power state electric vehicle via the CAN bus .

[0031] 综上所述,本发明通过实时判断在当前的车速信号及荷电信息条件下可否直接到达设定的目的地、并在不能直接达到设定的目的地时提醒用户先进行充电甚至控制电动汽车处于限功率状态,从而提高了系统智能性以及整车运行的可靠性、安全性和行驶能力。 To remind the user when [0031] In summary, the present invention is the possibility of directly to the destination set in the current vehicle speed signal and the charge determination information via real-time conditions, and not directly reach the destination is set to be charged even control of electric vehicle limited power in the state, thereby increasing system intelligence and reliability, safety and driving capacity of the whole operation.

[0032] 以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专业的技术人员,在不脱离本发明技术方案范围内,当可利用上述掲示的技术内容作出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。 [0032] The above are only preferred embodiments of the present invention only, not limitation of the present invention in any form, although the invention has been disclosed above by the preferred embodiments, but not intended to limit the present invention, anyone familiar with Those skilled in the art, without departing from the scope of the technical solution of the present invention, when some minor modifications may be made or modified using the technique shown kei content equivalent variations as equivalent embodiments, but all without departing from the technical content of the present invention, according to technical essence of the invention is a simple modification of any of the above embodiments made equivalent modifications and variations, provided they fall within the scope of the present invention.

Claims (9)

1. 一种电动汽车的行驶控制系统,其特征是:所述行驶控制系统包括: 车载导航系统,根据用户设定的目的地计算并提供所述电动汽车需行驶的里程、并显示设定路线中沿途的充电点信息;防抱死控制器,用于根据车速传感器的采集结果提供所述电动汽车的车速信号;电池管理系统,用于提供所述电动汽车的动力电池的荷电信息;以及整车控制器,用于利用根据所述防抱死控制器及所述电池管理系统分别提供的所述电动汽车的车速信号及所述动力电池的荷电信息而计算出的可支持行驶的里程与所述车载导航系统提供的所述电动汽车需行驶的里程判断所述电动汽车在所述车速信号及荷电信息条件下可否到达设定的目的地; 其中,所述车载导航系统在获知判断结果为所述电动汽车不能到达设定的目的地时,根据所述可支持行驶的里程及设定路线中沿 1. A control system for driving an electric vehicle, wherein: said travel control system comprising: a vehicle navigation system calculating and providing the mileage of the electric vehicle in accordance with the user needs to set a destination, and the route display settings along the charging point information; antilock controller for providing a vehicle speed signal of the electric vehicle according to the results of the acquisition of the vehicle speed sensor; battery management system, the information providing charge for the battery of the electric vehicle; and vehicle controller for use in accordance with the calculated charge information to the anti-lock controller and the battery management system are supplied the electric vehicle speed signal and the power battery can support the mileage the electric vehicle with the vehicle navigation system needs to provide the mileage of the electric vehicle is determined at the vehicle speed signal and the condition whether charge information reaches the set destination; wherein, in the known vehicle navigation system determines when the result of the electric vehicle can not reach the destination set, according to the support and the mileage is set along the route 的充电点信息提醒用户先行驶至推荐的充电点进行充电后再行驶至设定的目的地。 Charging point information to alert the user reaching the recommended first charging point for charging and then travel to the destination.
2.根据权利要求I所述的行驶控制系统,其特征是,所述行驶控制系统还包括: 电机控制器,用于在所述荷电信息指示所述动力电池的荷电量低于预设值时,接受所述整车控制器发送的限制输出功率指令的控制以限制所述电动汽车的车速。 2. A travel control system according to claim I in claim 1, characterized in that said driving control system further comprises: a motor controller for the charge information indicating the charge amount of the battery power is lower than a preset value when the control command to limit the output power of the vehicle receiving the transmission controller to limit a speed of the electric vehicle.
3.根据权利要求2所述的行驶控制系统,其特征是:所述预设值为所述动力电池的荷电总量的20%。 3. The travel control system according to claim 2, characterized in that: 20% of the predetermined value of charge of the power battery.
4.根据权利要求I或2所述的行驶控制系统,其特征是:所述行驶控制系统还包括: 组合仪表,用于显示所述可支持行驶的里程以及在所述电动汽车被限制车速时显示所述电动汽车处于限功率状态。 According to claim I or claim 2 with a control system, characterized in that: when the instrument cluster, for displaying said support is limited to the mileage and vehicle speed in the electric vehicle: the travel control system further comprises displaying the electric vehicle is power limited state.
5.根据权利要求I所述的行驶控制系统,其特征是:所述车载导航系统、所述防抱死控制器、所述电池管理系统与所述整车控制器通过现场总线连接。 5. A travel control system according to claim I in claim 1, characterized in that: the in-vehicle navigation system, the anti-lock controller, the battery management system and the vehicle controller via the field bus.
6. 一种电动汽车的行驶控制方法,其特征是:包括步骤: 根据用户设定的目的地计算所述电动汽车需行驶的里程、并显示设定路线中沿途的充电点信息; 获取所述电动汽车的车速信号; 获取所述电动汽车的动力电池的荷电信息; 根据所述电动汽车需行驶的里程、所述车速信号及所述动力电池的荷电信息判断所述电动汽车在所述车速信号及荷电信息条件下可否到达设定的目的地并提供可支持行驶的里程;以及当判断结果为所述电动汽车不能到达设定的目的地时,则根据所述可支持行驶的里程及设定路线中沿途的充电点信息提醒用户先行驶至推荐的充电点进行充电。 A travel control method of an electric vehicle, characterized in that: comprising the steps of: calculating a destination set by the user of the electric vehicle with the required mileage, and displayed along the set route information of a charging point; obtaining the the electric vehicle speed signal; charge information acquired power battery of the electric vehicle; for an electric vehicle according to the mileage traveled, vehicle speed signal and the power of the charge of the battery of the electric vehicle information to determine the whether the vehicle speed signal and the arrival of charge condition setting destination information and to provide support for the mileage; and when the judgment result is set to the electric vehicle can not reach the destination, based on the mileage traveled supportable and setting the route along the charging point information to alert the user reaching the recommended first charging point for charging.
7.根据权利要求6所述的行驶控制方法,其特征是:在提供可支持行驶的里程后,还包括步骤: 显示所述可支持行驶的里程。 7. A travel control method according to claim 6, characterized in that: after the mileage providing support, further comprising the step of: displaying said support miles traveled.
8.根据权利要求6所述的行驶控制方法,其特征是:当判断结果为所述电动汽车不能到达设定的目的地且所述荷电信息指示所述动力电池的荷电量低于预设值时,限制所述电动汽车的驱动电机的输出功率以限制所述电动汽车的车速。 8. A travel control method according to claim 6, wherein: when the determination result is set to the electric vehicle can not reach the destination and the charge information indicating the charge amount of the battery power is lower than a preset when the value of the output power limit of the electric drive motor vehicle to the speed limit of the electric vehicle.
9.根据权利要求8所述的行驶控制方法,其特征是:还包括步骤:在所述驱动电机的输出功率被限制时,显示所述电动汽车处于限功率状态。 9. A travel control method according to claim 8, characterized in that: further comprising the step of: when the drive output power of the motor is limited, the display state of the electric vehicle is a limited power. · ·
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CN105711592A (en) * 2016-04-27 2016-06-29 蔚来汽车有限公司 Method for adjusting self-adaption driving behavior of electric automobile
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