WO2019056559A1 - 一种交通信号灯的道路投影方法及系统 - Google Patents

一种交通信号灯的道路投影方法及系统 Download PDF

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Publication number
WO2019056559A1
WO2019056559A1 PCT/CN2017/112804 CN2017112804W WO2019056559A1 WO 2019056559 A1 WO2019056559 A1 WO 2019056559A1 CN 2017112804 W CN2017112804 W CN 2017112804W WO 2019056559 A1 WO2019056559 A1 WO 2019056559A1
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WIPO (PCT)
Prior art keywords
interval
passable
road
distance
signal
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PCT/CN2017/112804
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English (en)
French (fr)
Inventor
李香迎
焦学莲
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爱易成技术(天津)有限公司
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Filing date
Publication date
Application filed by 爱易成技术(天津)有限公司 filed Critical 爱易成技术(天津)有限公司
Priority to US16/609,289 priority Critical patent/US10902721B2/en
Priority to EP17925996.5A priority patent/EP3608891B1/en
Priority to AU2017432557A priority patent/AU2017432557A1/en
Priority to JP2019570604A priority patent/JP6942823B2/ja
Publication of WO2019056559A1 publication Critical patent/WO2019056559A1/zh
Priority to AU2021245149A priority patent/AU2021245149B2/en

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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/36Input/output arrangements for on-board computers
    • G01C21/3697Output of additional, non-guidance related information, e.g. low fuel level
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/052Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/07Controlling traffic signals
    • G08G1/08Controlling traffic signals according to detected number or speed of vehicles
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions

Definitions

  • the present invention relates to the field of traffic technology, and in particular, to a road projection method and system for a traffic signal.
  • the current vehicle speed is displayed on the dashboard of the vehicle in real time.
  • the driver of the vehicle can only adjust the speed according to the current road conditions (such as the vehicle in the current section, whether there is an accident, etc.) and rely on personal driving experience to avoid the red light as much as possible.
  • the current road conditions such as the vehicle in the current section, whether there is an accident, etc.
  • the adjustment time is short and the adjustment conditions are limited, which is likely to cause parking and congestion at the intersection.
  • the speed is slow, the dredging time is long, and the energy consumption is high.
  • the object of the present invention is to provide a road projection method and system for a traffic signal, which can adjust the traveling speed of the vehicle according to the current state of the traffic light through the traffic intersection at the time of the green light, avoid traffic congestion caused by the parking, and can improve the unit time.
  • a road projection method for a traffic signal comprising:
  • the time period is a time used for alternately changing the passable signal and the non-passable signal
  • a passable interval and an unreachable interval Determining a passable interval and an unreachable interval according to a current state of the traffic signal, the time period, and a preset speed; the passable interval indicating that a vehicle located in the passable interval arrives at a nearest traffic intersection, corresponding to The traffic signal is a passable signal; the non-passage interval indicates that the corresponding traffic signal is an unreachable signal when the vehicle located in the non-passage interval arrives at the nearest traffic intersection;
  • the non-passage interval is displayed in a second manner; the first manner is different from the second manner.
  • the determining the passable interval and the non-passable interval according to the current state, the time period, and the preset speed of the traffic light specifically:
  • projection period interval preset speed * time period
  • the first distance the remaining time of the current state of the traffic signal*the preset speed
  • the second distance (the current of the traffic signal) The remaining time of the state + the first time) * the preset speed, the first time indicating the duration of the next state of the current state of the traffic light
  • determining a point corresponding to the road as a projection interval corresponding to a current state of the traffic light wherein, when the traffic When the current state of the traffic light is a passable signal, the point corresponding to the road is determined as a passable interval, and when the current state of the traffic light is an unreachable signal, the point corresponding to the road is determined as an unreachable interval;
  • determining a point corresponding to the road as a projection interval opposite to a projection interval corresponding to a current state of the traffic light
  • the displaying, by the first mode, the displaying of the passable interval comprises: displaying the first color in the passable interval.
  • the displaying, by the second mode, the non-passable interval is performed, and the method includes: displaying, by using the second color, the non-passable interval.
  • the road projection method further includes: displaying a location where the vehicle is currently located on a map.
  • the road projection method further includes: a projection according to a current location of the vehicle The interval, the vehicle speed, and the preset speed are voice prompts.
  • the passable signal comprises a green light and a yellow light
  • the non-passable signal comprises a red light
  • the passable signal comprises a green light
  • the non-passable signal comprises a red light and a yellow light
  • the passable interval is displayed in green.
  • the non-passable interval is displayed in red.
  • the invention also provides a road projection system for a traffic signal, the road projection system comprising:
  • An acquisition module configured to acquire a current state and a time period of the traffic signal; the time period is a time used for alternately changing the passable signal and the non-passable signal;
  • a passable interval and a non-passage interval determining module configured to determine a passable interval and an unreachable interval according to a current state of the traffic light, the time period, and a preset speed; the passable interval indicates that the passable interval is located When the vehicle arrives at the nearest traffic intersection, the corresponding traffic signal is a passable signal; the non-passage interval indicates that the corresponding traffic signal is an unreachable signal when the vehicle in the non-passage interval reaches the nearest traffic intersection;
  • a first display module configured to display the passable interval on the map in a first manner
  • a second display module configured to display the non-passable interval in a second manner; the first manner is different from the second manner.
  • the passable interval and the unreachable interval determining module specifically include:
  • a first determining unit configured to determine a point corresponding to the road as a projection interval corresponding to a current state of the traffic light when the determination result indicates that the distance remainder is less than the first distance or greater than the second distance;
  • a second determining unit configured to: when the determination result indicates that the distance remainder is greater than or equal to the first distance and less than or equal to the second distance, determine a point corresponding to the road as corresponding to a current state of the traffic light a projection interval in which the projection interval is opposite; wherein, when the current state of the traffic signal is a passable signal, the point corresponding to the road is determined as an unreachable interval, when the current state of the traffic light is an unreachable signal, Then, the point corresponding to the road is determined as a passable interval.
  • the first display module is specifically configured to display the first color by using the passable interval.
  • the second display module is specifically configured to display the second color by using the non-passable interval.
  • the road projection system further includes: a third display module, configured to display a location where the vehicle is currently located on a map.
  • the road projection system further includes:
  • the voice prompting module is configured to perform voice prompting according to a projection interval, a vehicle speed, and the preset speed where the current position of the vehicle is located.
  • the invention has the following advantages:
  • the invention provides a road projection method and system for a traffic signal, and determines a passable interval and an unreachable interval according to a current state, a time period and a preset speed of the traffic signal, and adopts a first manner on the map for the passable interval Displaying; displaying the non-passable interval in a second manner; the first manner is different from the second manner.
  • the method and system provided by the invention can display the current driving road of the vehicle into a passable section and an inaccessible section on the map, and display in different manners, so that the driver can know the vehicle when he is far away from the traffic signal light.
  • the state of the traffic signal at the intersection thus avoiding parking in a large number of motor vehicles near the intersection, causing congestion, and improving vehicle traffic per unit time. Quantity.
  • Embodiment 1 is a flow chart of Embodiment 1 of a road projection method for a traffic signal lamp of the present invention
  • Embodiment 2 is a flow chart of Embodiment 2 of a road projection method of a traffic signal lamp according to the present invention
  • Embodiment 3 is a structural connection diagram of Embodiment 3 of a road projection system of a traffic signal lamp of the present invention
  • Embodiment 4 is a structural connection diagram of Embodiment 4 of a road projection system of a traffic signal lamp of the present invention
  • Figure 5 is a schematic illustration of a particular embodiment of the invention applied to a map.
  • FIG. 1 is a flowchart of Embodiment 1 of a road projection method for a traffic signal lamp according to the present invention. As shown in FIG. 1, the road projection method of the traffic signal lamp includes the following steps. :
  • Step 101 Obtain a current state and a time period of the traffic signal; the time period is a time used for alternately changing the passable signal and the non-passable signal, where the passable signal is the beginning of a time period.
  • the current state of the traffic light at the current moment includes the color of the traffic light and the remaining time of the current traffic signal.
  • the passable signal includes a green light and a yellow light
  • the non-passable signal includes a red light
  • the passable signal includes a green light
  • the non-passable signal includes a red light and a yellow light.
  • Step 102 Determine a passable interval and an unreachable interval according to a current state of the traffic light, the time period, and a preset speed; the passable interval indicates that a vehicle located in the accessible section arrives at a nearest traffic intersection Corresponding traffic signal is a passable signal; the non-passage zone indicates that the corresponding traffic signal is an unreachable signal when the vehicle located in the non-passage zone reaches the nearest traffic intersection;
  • Step 103 Display the passable interval on the map in a first manner
  • Step 104 Display the non-passage interval in a second manner; the first manner is different from the second manner.
  • the passable interval and the non-passible interval may be distinguished by different colors, for example, the passable interval is displayed in green, and the non-passable interval is displayed in red.
  • a road projection method for a traffic signal determines a passable interval and an unreachable interval according to a current state, a time period, and a preset speed of a traffic signal, and adopts a first pass on the map for the passable interval Displaying in a manner; displaying the non-passable interval in a second manner; the first manner is different from the second manner.
  • the method provided by the embodiment can display the current driving road of the vehicle into a passable section and an inaccessible section on the map, and display in different manners, so that the driver can know that the vehicle is driving when it is far away from the traffic signal.
  • the state of the traffic signal at the intersection thus avoiding parking in a large number of motor vehicles near the intersection, causing congestion, and can increase the number of vehicles passing through the unit time.
  • FIG. 2 is a flowchart of Embodiment 2 of a road projection method for a traffic signal of the present invention. As shown in FIG. 2, the road projection method of the traffic signal lamp includes:
  • Step 201 Acquire a current state and a time period of the traffic signal; the time period is a time used for alternately changing the passable signal and the non-passable signal.
  • Step 202 Determine a passable interval and an unreachable interval according to a current state of the traffic signal, the time period, and a preset speed; the passable interval indicates that a vehicle located in the accessible section arrives at a nearest traffic intersection The corresponding traffic signal is a passable signal; the non-passage interval indicates that the corresponding traffic signal is an unreachable signal when the vehicle in the non-passage interval arrives at the nearest traffic intersection, and specifically includes the following steps:
  • the distance remainder obtained by the above formula is smaller than one projection period interval.
  • Step A4 when the judgment result indicates that the distance remainder is smaller than the first distance or greater than the second distance, determining a point corresponding to the road as a projection interval corresponding to a current state of the traffic light; wherein, when When the current state of the traffic signal is a passable signal, the point corresponding to the road is determined as a passable interval, and when the current state of the traffic signal is an unreachable signal, the point corresponding to the road is determined as an unreachable interval. ;
  • Step A5 when the determination result indicates that the distance remainder is greater than or equal to the first distance and less than or equal to the second distance, determining a point corresponding to the road to be opposite to a projection interval corresponding to a current state of the traffic light. a projection interval; wherein, when the current state of the traffic signal is a passable signal, the point corresponding to the road is determined as an unreachable interval, and when the current state of the traffic signal is an unreachable signal, the road is corresponding The point is determined to be a passable interval.
  • Step 203 Display the passable interval on the map in a first manner.
  • Step 204 Display the non-passage interval in a second manner; the first manner is different from the second manner.
  • the traffic signal projection interval is displayed on the road by the in-vehicle navigation system.
  • step 205 the current location of the vehicle is displayed on a map, such as a dot.
  • Step 206 Perform a voice prompt according to a projection interval, a vehicle speed, and the preset speed where the current position of the vehicle is located, and the specific steps are as follows:
  • the preset speed is the road speed limit
  • the vehicle if the vehicle is in the passable range, it is judged whether the current speed is overspeed. If not, the voice prompts the driver to drive along the current speed, so that the vehicle is always in the passable range; if so, the voice prompts the driver to descend Speed driving.
  • the voice When the vehicle is in the non-passage interval, it is judged whether the current vehicle speed is overspeed, and if so, the voice prompts the driver to slow down; if not, the voice prompts the driver to accelerate.
  • the preset speed is the current vehicle speed
  • the vehicle if the vehicle is in the passable range, it is judged whether the current vehicle speed is overspeed. If not, the voice prompts the driver to drive along the current speed, so that the vehicle is always in the passable range; if so, the voice prompts the driver to descend Speed driving.
  • the voice When the vehicle is in an impassable range, Determine whether the current speed is overspeed, and if so, the voice prompts the driver to slow down; if not, the voice prompts the driver to accelerate.
  • the preset speed and the current vehicle speed of the vehicle can be displayed on the map in real time.
  • a road projection method for a traffic signal determines a passable interval and an unreachable interval according to a current state, a time period, and a preset speed of the traffic signal, and adopts a first pass on the map for the passable interval Displaying the manner; displaying the non-passable interval in a second manner; the first manner is different from the second manner, and simultaneously displaying the passable interval and the non-passable interval on the map, and positioning the vehicle On the display map, according to the passable interval or the non-passage interval in which the current position of the vehicle is traveling, the driver is prompted to make a voice prompt according to the vehicle speed and the preset speed.
  • the method provided by the embodiment can display the current driving road of the vehicle into a passable section and an inaccessible section on the map, and display in different manners, so that the driver can know that the vehicle is driving when it is far away from the traffic signal.
  • the state of the traffic signal at the intersection thus avoiding parking in a large number of motor vehicles near the intersection, causing congestion, and can increase the number of vehicles passing through the unit time.
  • the present invention also provides a road projection system for a traffic signal, and provides two embodiments for explanation, as follows.
  • the road projection system of the traffic signal lamp includes:
  • the obtaining module 301 is configured to acquire a current state and a time period of the traffic signal; the time period is a time used for alternately changing the passable signal and the non-passable signal, where the passable signal is the start of a time period.
  • the current state of the traffic light at the current moment includes the color of the traffic light and the remaining time of the current traffic signal.
  • the passable signal includes a green light and a yellow light
  • the non-passable signal includes a red light
  • the passable signal includes a green light
  • the non-passable signal includes a red light and a yellow light.
  • a passable interval and a non-passage interval determining module 302 configured to determine a passable interval and an unreachable interval according to a current state of the traffic light, the time period, and a preset speed; the passable interval indication is located in the passable When the interval vehicle arrives at the nearest traffic intersection, the corresponding traffic signal is a passable signal; and the non-passage interval indicates that the corresponding traffic signal is an unreachable signal when the vehicle in the non-passage interval arrives at the nearest traffic intersection. number.
  • the first display module 303 is configured to display the passable interval on the map in a first manner
  • the second display module 304 is configured to display the non-passable interval in a second manner; the first manner is different from the second manner.
  • a road projection system for a traffic signal determines a passable interval and an unreachable interval according to a current state, a time period, and a preset speed of the traffic signal, and adopts a first pass on the map for the passable interval Displaying in a manner; displaying the non-passable interval in a second manner; the first manner is different from the second manner.
  • the system provided by the embodiment can display the current driving road of the vehicle into a passable section and an inaccessible section on the map, and display in different manners, so that the driver can know that the vehicle is driving when it is far away from the traffic signal.
  • the state of the traffic signal at the intersection thus avoiding parking in a large number of motor vehicles near the intersection, causing congestion, and can increase the number of vehicles passing through the unit time.
  • the road projection system of the traffic signal lamp includes:
  • the obtaining module 401 is configured to acquire a current state and a time period of the traffic signal; the time period is a time used for alternately changing the passable signal and the non-passable signal;
  • a passable interval and a non-passage interval determining module 402 configured to determine a passable interval and an unreachable interval according to a current state of the traffic light, the time period, and a preset speed; the passable interval indication is located in the passable When the vehicle of the interval reaches the nearest traffic intersection, the corresponding traffic signal is a passable signal; and the non-passage interval indicates that the corresponding traffic signal is an unreachable signal when the vehicle in the non-passage interval reaches the nearest traffic intersection.
  • the passable interval indication is located in the passable When the vehicle of the interval reaches the nearest traffic intersection, the corresponding traffic signal is a passable signal; and the non-passage interval indicates that the corresponding traffic signal is an unreachable signal when the vehicle in the non-passage interval reaches the nearest traffic intersection.
  • a first determining unit configured to determine a point corresponding to the road as a projection interval corresponding to a current state of the traffic signal when the determination result indicates that the distance remainder is less than the first distance or greater than the second distance
  • a second determining unit configured to: when the determination result indicates that the distance remainder is greater than or equal to the first distance and less than or equal to the second distance, determine a point corresponding to the road as corresponding to a current state of the traffic light a projection interval in which the projection interval is opposite; wherein, when the current state of the traffic signal is a passable signal, the point corresponding to the road is determined as an unreachable interval, when the current state of the traffic light is an unreachable signal, Then, the point corresponding to the road is determined as a passable interval.
  • the first display module 403 is configured to display the passable interval on the map in a first manner.
  • the first display module 403 is configured to display the passable interval by using a first color.
  • the second display module 404 is configured to display the non-passable interval in a second manner; the first manner is different from the second manner.
  • the second display module 404 is specifically configured to display the second color by using the non-passable interval.
  • the third display module 405 is configured to display the current location of the vehicle on the map.
  • the voice prompting module 406 is configured to perform a voice prompt according to a projection interval, a vehicle speed, and the preset speed where the current position of the vehicle is located, where specifically, when the preset speed is a road speed limit, if the vehicle is in a passable interval, Determine whether the current speed is overspeed. If not, the voice prompts the driver to drive along the current speed, so that the vehicle is always in the passable range. If so, the voice prompts the driver to slow down; when the vehicle is in the unreachable interval, it is judged whether the current speed is overspeed, if The voice prompts the driver to slow down, and if not, the voice prompts the driver to accelerate.
  • the preset speed is the current vehicle speed
  • the vehicle if the vehicle is in the passable range, it is judged whether the current vehicle speed is overspeed. If not, the voice prompts the driver to drive along the current speed, so that the vehicle is always in the vehicle. The passage interval, if yes, the voice prompts the driver to slow down; when the vehicle is in the unreachable interval, it is judged whether the current vehicle speed is overspeed, and if so, the voice prompts the driver to slow down, and if not, the voice prompts the driver to accelerate.
  • a road projection system for a traffic signal determines a passable interval and an unreachable interval according to a current state, a time period, and a preset speed of the traffic signal, and adopts a first pass on the map for the passable interval Displaying the manner; displaying the non-passable interval in a second manner; the first manner is different from the second manner, and simultaneously displaying the passable interval and the non-passable interval on the map, and positioning the vehicle On the display map, according to the passable interval or the non-passage interval in which the current position of the vehicle is traveling, the driver is prompted to make a voice prompt according to the vehicle speed and the preset speed.
  • the system provided by the embodiment can display the current driving road of the vehicle into a passable section and an inaccessible section on the map, and display in different manners, so that the driver can know that the vehicle is driving when it is far away from the traffic signal.
  • the state of the traffic signal at the intersection thus avoiding parking in a large number of motor vehicles near the intersection, causing congestion, and can increase the number of vehicles passing through the unit time.
  • FIG. 5 is a schematic diagram of a specific embodiment of the present invention applied to a map.
  • the current state of the traffic signal light is a passable signal light 501, and the remaining time is 5 seconds.
  • the traffic signal has a time period of 35 seconds, wherein the duration of the passable signal light 501 is 20 seconds, the duration of the non-passable signal light 502 is 15 seconds, and the preset speed is 60 kilometers/hour.
  • the projection of the traffic signal on the road includes a passable section 503 and an inaccessible section 504.
  • the vehicle 505 is also displayed on the road. As shown in FIG. 5, the vehicle 505 is in an inaccessible section. At this time, according to the vehicle speed of the vehicle 505, The preset speed and the road speed limit prompt the driver to accelerate or decelerate, so that the vehicle passes the front signal light junction in the state of the communicable signal light.

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Abstract

一种交通信号灯的道路投影方法和系统,根据交通信号灯的当前状态、时间周期和预设速度确定可通行区间和不可通行区间,在地图上对所述可通行区间采用第一方式进行显示;对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。该方法和系统通过在地图上将车辆当前行驶道路划分为可通行区间和不可通行区间,采用不同方式进行显示,可以令驾驶员在距离交通信号灯较远时,就可以得知车辆行驶到路口时的交通信号状态,从而避免在大量机动车辆在临近路口处停车、造成拥堵情况,能够提高单位时间内的车辆通行数量。

Description

一种交通信号灯的道路投影方法及系统
本申请要求于2017年09月25日提交中国专利局、申请号为201710874079.4、发明名称为“一种交通信号灯的道路投影方法及系统”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本发明涉及交通技术领域,特别是涉及一种交通信号灯的道路投影方法及系统。
背景技术
目前,车辆仪表盘上实时显示的是当前车速,车辆驾驶人员只能根据当前路况(例如当前路段中的车辆、有无意外事故等)以及凭借个人驾驶经验调整车速,以尽量规避红灯。但是由于不清楚前方路口红绿灯的显示情况,只能在距离前方红绿灯很近的地方才能进行调整,调整时间短、调整条件受限制,从而容易造成路口车辆停车、拥堵等。此外,由于停车后重新加速,导致通过交通路口时速度慢、疏通时间长,且能耗高。
发明内容
本发明的目的是提供一种交通信号灯的道路投影方法及系统,能够根据交通灯的当前状态调整车辆的行驶速度在绿灯的时候通过交通路口,避免停车造成的交通拥堵,能够提高单位时间内的车辆通行数量。
本发明的技术方案如下:
一种交通信号灯的道路投影方法,所述道路投影方法包括:
获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间;
根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信号;
在地图上对所述可通行区间采用第一方式进行显示;
对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。
可选的,所述根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间,具体包括:
根据以下公式确定投影周期区间:投影周期区间=预设速度*时间周期;
根据以下公式确定距离余数:距离余数=距离%投影周期区间,%表示取余运算,其中,所述距离表示道路上任一点到交通信号灯的距离;
判断所述距离余数是否小于第一距离或大于第二距离,得到判断结果;其中,第一距离=交通信号灯的当前状态的剩余时间*所述预设速度;第二距离=(交通信号灯的当前状态的剩余时间+第一时间)*所述预设速度,所述第一时间表示交通信号灯的当前状态的下一个状态持续的时间;
当所述判断结果表示所述距离余数小于所述第一距离或大于所述第二距离时,则将道路对应的点确定为交通信号灯的当前状态所对应的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为不可通行区间;
当所述判断结果表示所述距离余数大于等于所述第一距离且小于等于所述第二距离时,则将道路对应的点确定为与交通信号灯的当前状态所对应的投影区间相反的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为不可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为可通行区间。
可选的,所述对所述可通行区间采用第一方式进行显示,具体包括:对所述可通行区间采用第一颜色进行显示。
可选的,所述对所述不可通行区间采用第二方式进行显示,具体包括:对所述不可通行区间采用第二颜色进行显示。
可选的,所述道路投影方法还包括:将车辆当前所处的位置在地图上显示。
可选的,所述道路投影方法还包括:根据车辆的当前位置所处的投影 区间、车速和所述预设速度,进行语音提示。
可选的,所述可通行信号包括绿灯和黄灯,所述不可通行信号包括红灯。
可选的,所述可通行信号包括绿灯,所述不可通行信号包括红灯和黄灯。
可选的,所述可通行区间以绿色进行显示。
可选的,所述不可通行区间以红色进行显示。
本发明还提供了一种交通信号灯的道路投影系统,所述道路投影系统包括:
获取模块,用于获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间;
可通行区间和不可通行区间确定模块,用于根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信号;
第一显示模块,用于在地图上对所述可通行区间采用第一方式进行显示;
第二显示模块,用于对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。
可选的,所述可通行区间和不可通行区间确定模块,具体包括:
投影周期区间确定单元,用于根据以下公式确定投影周期区间:投影周期区间=预设速度*时间周期;
距离余数确定单元,用于根据以下公式确定距离余数:距离余数=距离%投影周期区间,%表示取余运算,其中所述距离表示道路上任一点到交通信号灯的距离;
判断单元,判断所述距离余数是否小于第一距离或大于第二距离,得到判断结果;其中,第一距离=交通信号灯的当前状态的剩余时间*所述预设速度;第二距离=(交通信号灯的当前状态的剩余时间+第一时间)*所述预设速度,所述第一时间表示交通信号灯的当前状态的下一个状态持续 的时间;
第一确定单元,用于当所述判断结果表示所述距离余数小于所述第一距离或大于所述第二距离时则将道路对应的点确定为交通信号灯的当前状态所对应的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为不可通行区间;
第二确定单元,用于当所述判断结果表示所述距离余数大于等于所述第一距离且小于等于所述第二距离时,则将道路对应的点确定为与交通信号灯的当前状态所对应的投影区间相反的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为不可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为可通行区间。
可选的,所述第一显示模块,具体用于对所述可通行区间采用第一颜色进行显示。
可选的,所述第二显示模块,具体用于对所述不可通行区间采用第二颜色进行显示。
可选的,所述道路投影系统还包括:第三显示模块,用于将车辆当前所处的位置在地图上显示。
可选的,所述道路投影系统还包括:
语音提示模块,用于根据车辆的当前位置所处的投影区间、车速和所述预设速度,进行语音提示。
本发明与现有技术相比,其优点是:
本发明提供的一种交通信号灯的道路投影方法和系统,根据交通信号灯的当前状态、时间周期和预设速度确定可通行区间和不可通行区间,在地图上对所述可通行区间采用第一方式进行显示;对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。本发明提供的方法和系统通过在地图上将车辆当前行驶道路划分为可通行区间和不可通行区间,采用不同方式进行显示,可以令驾驶员在距离交通信号灯较远时,就可以得知车辆行驶到路口时的交通信号状态,从而避免在大量机动车辆在临近路口处停车、造成拥堵情况,能够提高单位时间内的车辆通行 数量。
说明书附图
下面结合附图对本发明作进一步说明:
图1为本发明交通信号灯的道路投影方法的实施例1的流程图;
图2为本发明交通信号灯的道路投影方法的实施例2的流程图;
图3为本发明交通信号灯的道路投影系统的实施例3的结构连接图;
图4为本发明交通信号灯的道路投影系统的实施例4的结构连接图;
图5为本发明应用在地图上的具体实施例的示意图。
具体实施方式
下面结合本发明实施例中的附图,对本发明实施例中技术方案进行详细的描述,显然,所描述的实施例仅是本发明一部分实施例,而不是全部的实施例;基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例都属于本发明保护的范围。
实施例1
本发明提供了一种交通信号灯的道路投影方法,图1为本发明交通信号灯的道路投影方法的实施例1的流程图,如图1所示,所述交通信号灯的道路投影方法,包括以下步骤:
步骤101,获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间,这里以可通行信号为一个时间周期的开始。当前时刻的交通信号灯的当前状态包括信号灯的颜色以及当前交通信号灯的剩余时间。具体的,所述可通行信号包括绿灯和黄灯,所述不可通行信号包括红灯;或者,所述可通行信号包括绿灯,所述不可通行信号包括红灯和黄灯。
步骤102,根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信号;
步骤103,在地图上对所述可通行区间采用第一方式进行显示;
步骤104,对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。可选的,可通行区间和不可通行区间可以用不同颜色来进行区别,例如,所述可通行区间以绿色进行显示,所述不可通行区间以红色进行显示。
本发明实施例1提供的一种交通信号灯的道路投影方法,根据交通信号灯的当前状态、时间周期和预设速度确定可通行区间和不可通行区间,在地图上对所述可通行区间采用第一方式进行显示;对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。本实施例提供的方法通过在地图上将车辆当前行驶道路划分为可通行区间和不可通行区间,采用不同方式进行显示,可以令驾驶员在距离交通信号灯较远时,就可以得知车辆行驶到路口时的交通信号状态,从而避免在大量机动车辆在临近路口处停车、造成拥堵情况,能够提高单位时间内的车辆通行数量。
实施例2
图2为本发明交通信号灯的道路投影方法的实施例2的流程图;如图2所示,所述交通信号灯的道路投影方法,包括:
步骤201,获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间。
步骤202,根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信号吗,具体包括以下步骤:
步骤A1,根据以下公式确定投影周期区间:投影周期区间=预设速度*时间周期;
步骤A2,根据以下公式确定距离余数:距离余数=距离%投影周期区间,%表示取余运算,其中,所述距离表示道路上任一点到交通信号灯的距离。通过上述公式得到的距离余数小于一个投影周期区间。
步骤A3,判断所述距离余数是否小于第一距离或大于第二距离,得到判断结果;其中,第一距离=交通信号灯的当前状态的剩余时间*预设速度;第二距离=(交通信号灯的当前状态的剩余时间+第一时间)*预设速 度,所述第一时间表示交通信号灯的当前状态的下一个状态持续的时间。例如,当前的交通信号灯当前状态为可通行信号,则第二距离=(可通行信号的剩余时间+不可通行信号的持续时间)*预设速度,预设速度是人为设定的值,可以选择道路限速,也可以选择车辆的当前车速。
步骤A4,当所述判断结果表示所述距离余数小于所述第一距离或大于所述第二距离时,则将道路对应的点确定为交通信号灯的当前状态所对应的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为不可通行区间;
步骤A5,当所述判断结果表示所述距离余数大于等于所述第一距离且小于等于所述第二距离时,则将道路对应的点确定为与交通信号灯的当前状态所对应的投影区间相反的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为不可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为可通行区间。
步骤203,在地图上对所述可通行区间采用第一方式进行显示。
步骤204,对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。通过车载导航系统在道路上显示所述交通信号灯投影区间。
步骤205,将车辆当前所处的位置在地图上显示,比如一个圆点。
步骤206,根据车辆的当前位置所处的投影区间、车速和所述预设速度,进行语音提示,具体步骤如下:
当预设速度为道路限速时,若车辆处于可通行区间,判断当前车速是否超速,若否,语音提示驾驶者沿当前车速行驶,令车辆始终处于可通行区间;若是,语音提示驾驶者降速行驶。当车辆处于不可通行区间,判断当前车速是否超速,若是,语音提示驾驶者降速行驶;若否,语音提示驾驶者加速行驶。
当预设速度为车辆当前车速时,若车辆处于可通行区间,判断当前车速是否超速,若否,语音提示驾驶者沿当前车速行驶,令车辆始终处于可通行区间;若是,语音提示驾驶者降速行驶。当车辆处于不可通行区间, 判断或者当前车速是否超速,若是,语音提示驾驶者降速行驶;若否,语音提示驾驶者加速行驶。
可选的的,可以将预设速度和车辆的当前车速实时显示在地图上。
本发明实施例2提供的一种交通信号灯的道路投影方法,根据交通信号灯的当前状态、时间周期和预设速度确定可通行区间和不可通行区间,在地图上对所述可通行区间采用第一方式进行显示;对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同,同时将上述可通行区间和不可通行区间显示在地图上,并将车辆的位置显示地图上,根据车辆行驶的当前位置所处的可通行区间还是不可通行区间,根据车辆的车速和预设速度对驾驶者进行语音提示。本实施例提供的方法通过在地图上将车辆当前行驶道路划分为可通行区间和不可通行区间,采用不同方式进行显示,可以令驾驶员在距离交通信号灯较远时,就可以得知车辆行驶到路口时的交通信号状态,从而避免在大量机动车辆在临近路口处停车、造成拥堵情况,能够提高单位时间内的车辆通行数量。
对应一种交通信号灯的道路投影方法,本发明还提供了一种交通信号灯的道路投影系统,并提供了两个实施例来进行解释,具体如下。
实施例3
图3为本发明交通信号灯的道路投影系统的实施例3的结构连接图,如图3所示,所述交通信号灯的道路投影系统包括:
获取模块301,用于获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间,这里以可通行信号为一个时间周期的开始。当前时刻的交通信号灯的当前状态包括信号灯的颜色以及当前交通信号灯的剩余时间。具体的,所述可通行信号包括绿灯和黄灯,所述不可通行信号包括红灯;或者,所述可通行信号包括绿灯,所述不可通行信号包括红灯和黄灯。
可通行区间和不可通行区间确定模块302,用于根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信 号。
第一显示模块303,用于在地图上对所述可通行区间采用第一方式进行显示;
第二显示模块304,用于对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。
本发明实施例3提供的一种交通信号灯的道路投影系统,根据交通信号灯的当前状态、时间周期和预设速度确定可通行区间和不可通行区间,在地图上对所述可通行区间采用第一方式进行显示;对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。本实施例提供的系统通过在地图上将车辆当前行驶道路划分为可通行区间和不可通行区间,采用不同方式进行显示,可以令驾驶员在距离交通信号灯较远时,就可以得知车辆行驶到路口时的交通信号状态,从而避免在大量机动车辆在临近路口处停车、造成拥堵情况,能够提高单位时间内的车辆通行数量。
实施例4
图4为本发明交通信号灯的道路投影系统的实施例4的结构连接图,如图4所示,所述交通信号灯的道路投影系统包括:
获取模块401,用于获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间;
可通行区间和不可通行区间确定模块402,用于根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信号。具体包括:
投影周期区间确定单元,用于根据以下公式确定投影周期区间:投影周期区间=预设速度*时间周期;
距离余数确定单元,用于根据以下公式确定距离余数:距离余数=距离%投影周期区间,%表示取余运算,其中所述距离表示道路上任一点到交通信号灯的距离;
判断单元,判断所述距离余数是否小于第一距离或大于第二距离,得 到判断结果;其中,第一距离=交通信号灯的当前状态的剩余时间*所述预设速度;第二距离=(交通信号灯的当前状态的剩余时间+第一时间)*所述预设速度,所述第一时间表示交通信号灯的当前状态的下一个状态持续的时间;
第一确定单元,用于当所述判断结果表示所述距离余数小于所述第一距离或大于所述第二距离时,则将道路对应的点确定为交通信号灯的当前状态所对应的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为不可通行区间。
第二确定单元,用于当所述判断结果表示所述距离余数大于等于所述第一距离且小于等于所述第二距离时,则将道路对应的点确定为与交通信号灯的当前状态所对应的投影区间相反的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为不可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为可通行区间。
第一显示模块403,用于在地图上对所述可通行区间采用第一方式进行显示;可选的,第一显示模块403,具体用于对所述可通行区间采用第一颜色进行显示。
第二显示模块404,用于对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。可选的,第二显示模块404,具体用于对所述不可通行区间采用第二颜色进行显示。
第三显示模块405,用于将车辆当前所处的位置在地图上显示。
语音提示模块406,用于根据车辆的当前位置所处的投影区间、车速和所述预设速度,进行语音提示,具体为:当预设速度为道路限速时,若车辆处于可通行区间,判断当前车速是否超速,若否,语音提示驾驶者沿当前车速行驶,令车辆始终处于可通行区间,若是,语音提示驾驶者降速行驶;当车辆处于不可通行区间,判断当前车速是否超速,若是,语音提示驾驶者降速行驶,若否,语音提示驾驶者加速行驶。
当预设速度为车辆当前车速时,若车辆处于可通行区间,判断当前车速是否超速,若否,语音提示驾驶者沿当前车速行驶,令车辆始终处于可 通行区间,若是,语音提示驾驶者降速行驶;当车辆处于不可通行区间,判断或者当前车速是否超速,若是,语音提示驾驶者降速行驶,若否,语音提示驾驶者加速行驶。
本发明实施例4提供的一种交通信号灯的道路投影系统,根据交通信号灯的当前状态、时间周期和预设速度确定可通行区间和不可通行区间,在地图上对所述可通行区间采用第一方式进行显示;对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同,同时将上述可通行区间和不可通行区间显示在地图上,并将车辆的位置显示地图上,根据车辆行驶的当前位置所处的可通行区间还是不可通行区间,根据车辆的车速和预设速度对驾驶者进行语音提示。本实施例提供的系统通过在地图上将车辆当前行驶道路划分为可通行区间和不可通行区间,采用不同方式进行显示,可以令驾驶员在距离交通信号灯较远时,就可以得知车辆行驶到路口时的交通信号状态,从而避免在大量机动车辆在临近路口处停车、造成拥堵情况,能够提高单位时间内的车辆通行数量。
本发明实施例3和实施例4提供的一种交通信号灯的道路投影系统,可以单独使用,也可以叠加在车载导航系统使用,可以根据客户的需要进行适应性调整。图5为本发明应用在地图上的具体实施例的示意图,如图5所示,交通信号灯的当前状态为可通行信号灯501,剩余时间为5秒。交通信号灯的时间周期为35秒,其中可通行信号灯501的时长为20秒,不可通行信号灯502的时长为15秒,预设速度为60千米/时。交通信号灯在道路上的投影包括可通行区间503和不可通行区间504,同时,车辆505也显示在道路上,如图5所示,车辆505处于不可通行区间,此时,根据车辆505的车速、预设速度以及道路限速,提示驾驶者加速或减速,令车辆在可通信信号灯的状态下通过前方信号灯路口。
上面结合附图对本发明的实施方式作了详细说明,但是本发明并不限于上述实施方式,在所属技术领域普通技术人员所具备的知识范围内,还可以在不脱离本发明宗旨的前提下做出各种变化。

Claims (16)

  1. 一种交通信号灯的道路投影方法,其特征在于,所述道路投影方法包括:
    获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间;
    根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信号;
    在地图上对所述可通行区间采用第一方式进行显示;
    对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。
  2. 根据权利要求1所述的交通信号灯的道路投影方法,其特征在于,所述根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间,具体包括:
    根据以下公式确定投影周期区间:投影周期区间=预设速度*时间周期;
    根据以下公式确定距离余数:距离余数=距离%投影周期区间,%表示取余运算,其中,所述距离表示道路上任一点到交通信号灯的距离;
    判断所述距离余数是否小于第一距离或大于第二距离,得到判断结果;其中,第一距离=交通信号灯的当前状态的剩余时间*所述预设速度;第二距离=(交通信号灯的当前状态的剩余时间+第一时间)*所述预设速度,所述第一时间表示交通信号灯的当前状态的下一个状态持续的时间;
    当所述判断结果表示所述距离余数小于所述第一距离或大于所述第二距离时,则将道路对应的点确定为交通信号灯的当前状态所对应的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为不可通行区间;
    当所述判断结果表示所述距离余数大于等于所述第一距离且小于等于所述第二距离时,则将道路对应的点确定为与交通信号灯的当前状态所 对应的投影区间相反的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为不可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为可通行区间。
  3. 根据权利要求1所述的交通信号灯的道路投影方法,其特征在于,所述对所述可通行区间采用第一方式进行显示,具体包括:
    对所述可通行区间采用第一颜色进行显示。
  4. 根据权利要求1所述的交通信号灯的道路投影方法,其特征在于,所述对所述不可通行区间采用第二方式进行显示,具体包括:
    对所述不可通行区间采用第二颜色进行显示。
  5. 根据权利要求1所述的交通信号灯的道路投影方法,其特征在于,所述道路投影方法还包括:
    将车辆当前所处的位置在地图上显示。
  6. 根据权利要求1所述的交通信号灯的道路投影方法,其特征在于,所述道路投影方法还包括:
    根据车辆的当前位置所处的投影区间、车速和所述预设速度,进行语音提示。
  7. 根据权利要求1所述的交通信号灯的道路投影方法,其特征在于,所述可通行信号包括绿灯和黄灯,所述不可通行信号包括红灯。
  8. 根据权利要求1所述的交通信号灯的道路投影方法,其特征在于,所述可通行信号包括绿灯,所述不可通行信号包括红灯和黄灯。
  9. 根据权利要求3所述的交通信号灯的道路投影方法,其特征在于,所述可通行区间以绿色进行显示。
  10. 根据权利要求4所述的交通信号灯的道路投影方法,其特征在于,所述不可通行区间以红色进行显示。
  11. 一种交通信号灯的道路投影系统,其特征在于,所述道路投影系统包括:
    获取模块,用于获取交通信号灯的当前状态和时间周期;所述时间周期为可通行信号和不可通行信号交替变化一次所用的时间;
    可通行区间和不可通行区间确定模块,用于根据所述交通信号灯的当前状态、所述时间周期和预设速度确定可通行区间和不可通行区间;所述 可通行区间表示位于所述可通行区间的车辆在到达最近的交通路口时,对应的交通信号为可通行信号;所述不可通行区间表示位于所述不可通行区间的车辆在到达最近的交通路口时,对应的交通信号为不可通行信号;
    第一显示模块,用于在地图上对所述可通行区间采用第一方式进行显示;
    第二显示模块,用于对所述不可通行区间采用第二方式进行显示;所述第一方式与所述第二方式不同。
  12. 根据权利要求11所述的交通信号灯的道路投影系统,其特征在于,所述可通行区间和不可通行区间确定模块,具体包括:
    投影周期区间确定单元,用于根据以下公式确定投影周期区间:投影周期区间=预设速度*时间周期;
    距离余数确定单元,用于根据以下公式确定距离余数:距离余数=距离%投影周期区间,%表示取余运算,其中所述距离表示道路上任一点到交通信号灯的距离;
    判断单元,判断所述距离余数是否小于第一距离或大于第二距离,得到判断结果;其中,第一距离=交通信号灯的当前状态的剩余时间*所述预设速度;第二距离=(交通信号灯的当前状态的剩余时间+第一时间)*所述预设速度,所述第一时间表示交通信号灯的当前状态的下一个状态持续的时间;
    第一确定单元,用于当所述判断结果表示所述距离余数小于所述第一距离或大于所述第二距离时则将道路对应的点确定为交通信号灯的当前状态所对应的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为不可通行区间;
    第二确定单元,用于当所述判断结果表示所述距离余数大于等于所述第一距离且小于等于所述第二距离时,则将道路对应的点确定为与交通信号灯的当前状态所对应的投影区间相反的投影区间;其中,当所述交通信号灯的当前状态为可通行信号时,则将道路对应的点确定为不可通行区间,当所述交通信号灯的当前状态为不可通行信号时,则将道路对应的点确定为可通行区间。
  13. 根据权利要求11所述的交通信号灯的道路投影系统,其特征在于,所述第一显示模块,具体用于对所述可通行区间采用第一颜色进行显示。
  14. 根据权利要求11所述的交通信号灯的道路投影系统,其特征在于,所述第二显示模块,具体用于对所述不可通行区间采用第二颜色进行显示。
  15. 根据权利要求11所述的交通信号灯的道路投影系统,其特征在于,所述道路投影系统还包括:
    第三显示模块,用于将车辆当前所处的位置在地图上显示。
  16. 根据权利要求11所述的交通信号灯的道路投影系统,其特征在于,所述道路投影系统还包括:
    语音提示模块,用于根据车辆的当前位置所处的投影区间、车速和所述预设速度,进行语音提示。
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JP2020509520A (ja) 2020-03-26
EP3608891A1 (en) 2020-02-12
US20200058221A1 (en) 2020-02-20
CN107507440A (zh) 2017-12-22
CN107507440B (zh) 2019-06-07
EP3608891A4 (en) 2020-06-24
EP3608891B1 (en) 2022-01-19
AU2021245149B2 (en) 2023-05-04
US10902721B2 (en) 2021-01-26
JP6942823B2 (ja) 2021-09-29
AU2017432557A1 (en) 2019-11-14

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