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 PDFInfo
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- 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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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3697—Output of additional, non-guidance related information, e.g. low fuel level
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements 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
Description
Claims (16)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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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CN111402606A (zh) * | 2019-01-02 | 2020-07-10 | 韩晓义 | 一种交通信号灯辅助方法和装置 |
CN111613073A (zh) * | 2020-05-22 | 2020-09-01 | 哈尔滨森美朴科技发展有限责任公司 | 一种交通控制方法、装置及存储介质 |
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