CN112614370A - Monitoring method for running safety of highway tunnel transport truck - Google Patents

Monitoring method for running safety of highway tunnel transport truck Download PDF

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CN112614370A
CN112614370A CN202011487441.0A CN202011487441A CN112614370A CN 112614370 A CN112614370 A CN 112614370A CN 202011487441 A CN202011487441 A CN 202011487441A CN 112614370 A CN112614370 A CN 112614370A
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vehicle
information
driving
tunnel
transport truck
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吴玲
胡昊
余曼
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Xian Aeronautical University
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Xian Aeronautical University
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096833Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/16Anti-collision systems
    • G08G1/166Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes

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Abstract

本发明公开了一种高速公路隧道运输货车行驶安全的监控方法,包括如下步骤:S1、信息采集,在车辆进入高速公路隧道时对运输货车的自身信息、驾驶员信息、行车环境,天气信息、行车路线信息以及隧道长度信息进行采集;S2、车距信息提醒;S3、车辆提醒;S4、行车时长预警,根据车辆的定位信息和驾驶员信息并结合行车时长进行疲劳驾驶预警;S5、上述运输车辆在疲劳驾驶预警30min后仍未根据导航行车,将驾驶员信息以及具体的车辆数据和路线传输至监控端。本发明能全方位监控运输货车的车辆信息,并且能监控驾驶员是否存在违规驾驶等信息,对运输货车行驶安全进行实时监控,并且一定程度上确保了运输货车行驶安全。

Figure 202011487441

The present invention discloses a method for monitoring the driving safety of a transport truck in a highway tunnel, comprising the following steps: S1, information collection, when the vehicle enters the highway tunnel, the transport truck's own information, driver information, driving environment, weather information, driving route information and tunnel length information are collected; S2, vehicle distance information reminder; S3, vehicle reminder; S4, driving time warning, fatigue driving warning is performed according to the vehicle's positioning information and driver information and combined with the driving time; S5, if the above-mentioned transport vehicle still does not drive according to the navigation after the fatigue driving warning for 30 minutes, the driver information and specific vehicle data and route are transmitted to the monitoring end. The present invention can monitor the vehicle information of the transport truck in all directions, and can monitor whether the driver has illegal driving and other information, monitor the driving safety of the transport truck in real time, and ensure the driving safety of the transport truck to a certain extent.

Figure 202011487441

Description

Monitoring method for running safety of highway tunnel transport truck
Technical Field
The invention belongs to the field of running safety of transport trucks, and particularly relates to a monitoring method for running safety of a tunnel transport truck on an expressway.
Background
The highway tunnel is a channel special for automobile transportation, along with the development of social economy and production, a great number of highways appear, higher standards are provided for the road construction technology, the requirement is that the line is straight, the slope is gentle, the road surface is spacious and the like, and therefore, when the road passes through a mountain area, the scheme of winding around the mountain in the past is mostly changed into the tunnel scheme. The construction of the tunnel plays an important role in the aspects of improving the technical state of the road, shortening the running distance, improving the transport capacity, reducing accidents and the like.
When a transport truck runs in an expressway tunnel, due to the special running environment of the tunnel, the running safety is particularly important, if an accident occurs, the rescue difficulty is very high, most of the existing technologies adopt a vehicle driving recorder to monitor the running safety of the vehicle, and the running safety of the transport truck in the expressway tunnel cannot be ensured.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a method for monitoring the running safety of a tunnel transport truck on a highway.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for monitoring the running safety of a transport truck in a highway tunnel comprises the following steps:
s1, collecting information, namely collecting self information, driver information, driving environment, weather information, driving route information and tunnel length information of the transport truck when the vehicle enters the highway tunnel;
s2, reminding by vehicle distance information, monitoring the vehicle distance between the transport truck and the vehicle in front in real time through distance measuring equipment when the vehicle exists in front in the tunnel driving environment of the transport truck, and reminding a driver of the transport truck by voice when the vehicle distance is smaller than the minimum vehicle distance on the expressway;
s3, vehicle reminding, namely estimating according to weather information and self information of a transport truck on the premise of ensuring the mounting distance between the transport truck and a front truck, judging whether the transport truck needs operations such as whistling, turning on and off a vehicle lamp and the like, and carrying out voice prompt on a driver;
s4, early warning of driving time, early warning of fatigue driving according to the positioning information and the driver information of the vehicle and the driving time, providing navigation of a nearest exit fork route of the expressway tunnel, and performing 30-min follow-up supervision on the positioning information and the driver information of the vehicle;
and S5, after the transport vehicle is early-warned for fatigue driving for 30min, the transport vehicle still does not drive according to navigation, driver information, specific vehicle data and routes are transmitted to a monitoring end, and meanwhile, the vehicle automatically turns on double flashing lamps to warn other vehicles in the tunnel.
Preferably, in step S1, a vehicle speed sensor and an ultrasonic detector are respectively used to collect information of the vehicle and a driving environment, the vehicle speed sensor is used to monitor the vehicle speed of the autonomous vehicle in real time, and the ultrasonic detector is used to detect obstacle information in a certain area of the autonomous vehicle and measure the distance between the transport truck and the preceding vehicle in real time.
Preferably, the ultrasonic detector calculates the actual distance from the transmitting point to the obstacle according to the time difference between the transmitting and receiving of the sound wave, and the formula of the distance measurement is as follows: l ═ cxt, where L is the measured distance length; c is the propagation speed of the ultrasonic wave in the air; t is the time difference of the measured range propagation, specifically half the value of the transmit-to-receive time.
Preferably, the driving route information and the tunnel length information in the step S1 are acquired based on a Beidou satellite, and a satellite transponder is installed on the transport truck, and the satellite transponder includes an attenuator, a power divider, a frequency conversion module, a filter and a coaxial switch.
Preferably, the attenuator is configured to input a satellite signal to be tested, perform attenuation processing on the satellite signal, and output the attenuated satellite signal; the power divider is used for inputting the attenuated satellite signals, performing power division processing on the attenuated satellite signals and outputting N paths of output signals, wherein N is a preset value larger than 1; the frequency conversion modules are respectively connected with the power divider, and each frequency conversion module is used for inputting one path of output signal output by the power divider, carrying out frequency conversion processing on the output signal and outputting a frequency-converted Beidou satellite signal; each filter is connected with one frequency conversion module and used for inputting the frequency-converted satellite signals, filtering the frequency-converted satellite signals and outputting filtered Beidou satellite signals; the coaxial switcher is connected with the plurality of filters and the switching control module and used for inputting the multi-path filtered Beidou satellite signals and selectively outputting one path of filtered Beidou satellite signals in the input multi-path filtered satellite signals
Preferably, the specific conditions for determining the whistle in step S3 are:
1) when the transportation truck is positioned in the tunnel, the positioning information shows that the vehicle is driving into a curve, approaches the top point of an uphill slope or passes through a road section such as a tunnel fork;
2) the ultrasonic detector and the environmental information acquisition module acquire that other vehicles or pedestrian obstacles in front of and behind the automatic driving vehicle enter a safe distance and the distance is decreasing;
when the transport truck encounters any one of the conditions 1 or 2, the transport truck is judged to whistle.
Preferably, the driving time early warning timing in step S4 is started from the vehicle, and the driver information is collected at the same time for recording, and then real-time monitoring is performed, the driving time is prompted after the vehicle continuously runs for 3.5 hours, and the driver information is collected again, when the vehicle continuously runs for more than 4 hours, the vehicle stops for rest or the rest time is less than 20min, the driver information, specific vehicle data and route are transmitted to the monitoring terminal, and the vehicle automatically turns on the dual-flash lamp to warn the rest of the vehicles in the tunnel.
Preferably, the weather environment in step S1 is to collect whether the weather of the truck is rainy or snowy weather, and remind the driver to determine whether the tunnel road surface is slippery, so as to ensure driving safety.
The invention has the technical effects and advantages that: compared with the traditional mode of ensuring the running safety of the transport truck by adopting a vehicle data recorder, the method for monitoring the running safety of the transport truck on the highway tunnel can monitor the vehicle information of the transport truck in all directions, can monitor whether a driver has illegal driving and other information, monitors the running safety of the transport truck in real time, and ensures the running safety of the transport truck to a certain extent.
Drawings
Fig. 1 is a flow chart of the method for monitoring the driving safety of the highway tunnel transport truck of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for monitoring the running safety of a highway tunnel transport truck as shown in figure 1, which is characterized by comprising the following steps:
s1, collecting information, namely collecting self information, driver information, driving environment, weather information, driving route information and tunnel length information of the transport truck when the vehicle enters the highway tunnel;
step S1, acquiring self information and driving environment by respectively adopting a vehicle speed sensor and an ultrasonic detector, wherein the vehicle speed sensor is used for monitoring the vehicle speed of the automatic driving vehicle in real time, and the ultrasonic detector is used for detecting obstacle information in a certain area range of the automatic driving vehicle and measuring the vehicle distance between a transport truck and a front vehicle in real time;
s2, reminding by vehicle distance information, monitoring the vehicle distance between the transport truck and the vehicle in front in real time through distance measuring equipment when the vehicle exists in front in the tunnel driving environment of the transport truck, and reminding a driver of the transport truck by voice when the vehicle distance is smaller than the minimum vehicle distance on the expressway;
the ultrasonic detector calculates the actual distance from the transmitting point to the obstacle according to the time difference between the transmitting time and the receiving time of the sound wave, and the formula of the distance measurement is as follows: l ═ cxt, where L is the measured distance length; c is the propagation speed of the ultrasonic wave in the air; t is the time difference of distance propagation measurement, specifically half of the time value from transmitting to receiving, and when the ultrasonic detector detects that the distance between the front vehicle and the transport truck is smaller than the minimum distance between the front vehicle and the transport truck on the highway, the driver of the transport vehicle is reminded by voice;
s3, vehicle reminding, namely estimating according to weather information and self information of a transport truck on the premise of ensuring the mounting distance between the transport truck and a front truck, judging whether the transport truck needs operations such as whistling, turning on and off a vehicle lamp and the like, and carrying out voice prompt on a driver;
s4, early warning of driving time, early warning of fatigue driving according to the positioning information and the driver information of the vehicle and the driving time, providing navigation of a nearest exit fork route of the expressway tunnel, and performing 30-min follow-up supervision on the positioning information and the driver information of the vehicle;
the driving time early warning timing in the step S4 is started from a vehicle as a starting point, driver information is collected at the same time for recording, then real-time monitoring is carried out, driving time reminding is carried out after the vehicle continuously runs for 3.5 hours, the driver information is collected again, when the vehicle continuously runs for more than 4 hours and is a parking rest or the parking rest is less than 20min, the driver information, specific vehicle data and a route are transmitted to a monitoring end, and meanwhile, the vehicle automatically turns on double flashing lamps to warn other vehicles in a tunnel;
and S5, after the transport vehicle is early-warned for fatigue driving for 30min, the transport vehicle still does not drive according to navigation, driver information, specific vehicle data and routes are transmitted to a monitoring end, and meanwhile, the vehicle automatically turns on double flashing lamps to warn other vehicles in the tunnel.
The driving route information and the tunnel length information in the step S1 are acquired based on a Beidou satellite, and a transport wagon is provided with a satellite transponder, wherein the satellite transponder comprises an attenuator, a power divider, a frequency conversion module, a filter and a coaxial switch; the attenuator is used for inputting a satellite signal to be tested, performing attenuation processing on the satellite signal and outputting the attenuated satellite signal; the power divider is used for inputting the attenuated satellite signals, performing power division processing on the attenuated satellite signals and outputting N paths of output signals, wherein N is a preset value larger than 1; the frequency conversion modules are respectively connected with the power divider, and each frequency conversion module is used for inputting one path of output signal output by the power divider, carrying out frequency conversion processing on the output signal and outputting a frequency-converted Beidou satellite signal; each filter is connected with one frequency conversion module and used for inputting the frequency-converted satellite signals, filtering the frequency-converted satellite signals and outputting filtered Beidou satellite signals; the coaxial switcher is connected with the filters and the switching control module and is used for inputting multi-path filtered Beidou satellite signals and selecting and outputting one path of filtered Beidou satellite signals from the input multi-path filtered satellite signals;
the specific conditions for determining the whistle in step S3 are as follows:
1) when the transportation truck is positioned in the tunnel, the positioning information shows that the vehicle is driving into a curve, approaches the top point of an uphill slope or passes through a road section such as a tunnel fork;
2) the ultrasonic detector and the environmental information acquisition module acquire that other vehicles or pedestrian obstacles in front of and behind the automatic driving vehicle enter a safe distance and the distance is decreasing;
when the transport truck meets any one of the conditions 1 or 2, judging that the transport truck whistles;
the weather environment in step S1 is to collect whether the weather of the truck is rainy or snowy weather, and remind the driver to determine whether the tunnel road is slippery, so as to ensure driving safety.
In summary, the following steps: compared with the traditional mode of ensuring the running safety of the transport truck by adopting a vehicle data recorder, the method for monitoring the running safety of the transport truck on the highway tunnel can monitor the vehicle information of the transport truck in all directions, can monitor whether a driver has illegal driving and other information, monitors the running safety of the transport truck in real time, and ensures the running safety of the transport truck to a certain extent.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1.一种高速公路隧道运输货车行驶安全的监控方法,其特征在于,包括如下步骤:1. a monitoring method for the safe driving of expressway tunnel transport trucks, is characterized in that, comprises the steps: S1、信息采集,在车辆进入高速公路隧道时对运输货车的自身信息、驾驶员信息、行车环境,天气信息、行车路线信息以及隧道长度信息进行采集;S1. Information collection, when the vehicle enters the expressway tunnel, the self information, driver information, driving environment, weather information, driving route information and tunnel length information of the transport truck are collected; S2、车距信息提醒,当运输货车的隧道行车环境中前方存在车辆时,通过测距设备实时监控运输货车与前方车辆之间的车间距,当车距小于高速公路最小车距时,对运输车辆驾驶员进行语音提醒;S2. Vehicle distance information reminder, when there is a vehicle ahead in the tunnel driving environment of the transport truck, the distance between the transport truck and the vehicle in front is monitored in real time through the distance measuring device. When the vehicle distance is less than the minimum distance of the expressway, the transportation The driver of the vehicle gives a voice reminder; S3、车辆提醒,在确保运输货车与前车安装车距的前提下,根据天气信息以及运输货车的自身信息进行估算,判定运输货车是否需要鸣笛、开关车辆灯具等操作,并对驾驶员进行语音提示;S3. Vehicle reminder. On the premise of ensuring the installation distance between the transport truck and the vehicle in front, make an estimate based on the weather information and the transport truck's own information to determine whether the transport truck needs to whistle, turn on and off the vehicle lights, etc. Voice prompts; S4、行车时长预警,根据车辆的定位信息和驾驶员信息并结合行车时长进行疲劳驾驶预警,并给出高速公路隧道最近的出口岔道路线导航,并对车辆的定位信息以及驾驶员信息进行30min的后续监督;S4. Driving time warning, according to the vehicle's positioning information and driver information and combined with the driving time to carry out fatigue driving warning, and give the nearest exit fork road route navigation of the expressway tunnel, and carry out 30 minutes of vehicle positioning information and driver information. follow-up supervision; S5、上述运输车辆在疲劳驾驶预警30min后仍未根据导航行车,将驾驶员信息以及具体的车辆数据和路线传输至监控端,同时车辆自动打开双闪灯对隧道内其余的车辆进行警示。S5. The above-mentioned transport vehicle still does not drive according to the navigation after the fatigue driving warning for 30 minutes, and transmits the driver information and specific vehicle data and route to the monitoring terminal, and at the same time, the vehicle automatically turns on the double flashing lights to warn the rest of the vehicles in the tunnel. 2.根据权利要求1所述的一种高速公路隧道运输货车行驶安全的监控方法,其特征在于:步骤S1中分别采用车速传感器和超声波探测器对自身信息以及行车环境进行采集,所述车速传感器用于对自动驾驶车辆的车速进行实时监控,所述超声波探测器用于探测自动驾驶车辆一定区域范围内障碍信息,并且能实时测量运输货车与前车之间的车距。2. the monitoring method of a kind of expressway tunnel transport freight vehicle driving safety according to claim 1, is characterized in that: adopt vehicle speed sensor and ultrasonic detector respectively in step S1 to collect self-information and driving environment, and described vehicle speed sensor The ultrasonic detector is used to monitor the speed of the self-driving vehicle in real time, and the ultrasonic detector is used to detect the obstacle information within a certain area of the self-driving vehicle, and can measure the distance between the transport truck and the preceding vehicle in real time. 3.根据权利要求2所述的一种高速公路隧道运输货车行驶安全的监控方法,其特征在于:所述超声波探测器根据声波发射和接收的时间差计算出发射点到障碍物的实际距离,测距的公式表示为:L=C×T,其中,L为测量的距离长度;C为超声波在空气中的传播速度;T为测量距离传播的时间差,具体为发射到接收时间数值的一半。3. the monitoring method of a kind of expressway tunnel transport freight vehicle driving safety according to claim 2, is characterized in that: described ultrasonic detector calculates the actual distance from the launch point to the obstacle according to the time difference of sound wave emission and reception, and measures The formula of distance is expressed as: L=C×T, where L is the measured distance length; C is the propagation speed of ultrasonic waves in the air; T is the time difference of the measured distance propagation, which is half of the time value from transmission to reception. 4.根据权利要求1所述的一种高速公路隧道运输货车行驶安全的监控方法,其特征在于:步骤S1中所述的行车路线信息以及隧道长度信息均基于北斗卫星进行采集,运输货车上安装有卫星转发器,所述卫星转发器包括衰减器、功分器、变频模块、滤波器和同轴切换器。4. the monitoring method of a kind of expressway tunnel transport truck driving safety according to claim 1 is characterized in that: the driving route information described in step S1 and the tunnel length information are all collected based on Beidou satellites, and the transport truck is installed on the There are satellite transponders, which include attenuators, power dividers, frequency conversion modules, filters, and coaxial switches. 5.根据权利要求4所述的一种高速公路隧道运输货车行驶安全的监控方法,其特征在于:所述衰减器,用于输入待测试的卫星信号,并对所述卫星信号进行衰减处理,输出衰减后的卫星信号;功分器,用于输入所述衰减后的卫星信号,并对所述衰减后的卫星信号进行功分处理,输出N路输出信号,其中,N为预设的大于1的值;变频模块,分别与所述功分器连接,每个变频模块用于输入所述功分器输出的一路输出信号,并对所述输出信号进行变频处理,输出变频后的北斗卫星信号;滤波器,每个滤波器连接一个变频模块,用于输入所述变频后的卫星信号,并对所述变频后的卫星信号进行滤波处理,输出滤波后的北斗卫星信号;同轴切换器,与多个所述滤波器和所述切换控制模块均连接,用于输入多路滤波后的北斗卫星信号,在输入的多路滤波后的卫星信号中选择输出一路滤波后的北斗卫星信号。5. The monitoring method for the safety of a highway tunnel transport truck according to claim 4, wherein the attenuator is used to input the satellite signal to be tested, and perform attenuation processing on the satellite signal, outputting the attenuated satellite signal; a power divider for inputting the attenuated satellite signal, performing power division processing on the attenuated satellite signal, and outputting N output signals, where N is a preset greater than The value of 1; the frequency conversion modules are respectively connected to the power divider, and each frequency conversion module is used to input one output signal output by the power divider, perform frequency conversion processing on the output signal, and output the converted Beidou satellite. signal; filter, each filter is connected to a frequency conversion module, which is used to input the frequency-converted satellite signal, filter the frequency-converted satellite signal, and output the filtered Beidou satellite signal; coaxial switch , which is connected to a plurality of the filters and the switching control module, and is used for inputting multi-channel filtered Beidou satellite signals, and selecting and outputting one channel of filtered Beidou satellite signals from the input multi-channel filtered satellite signals. 6.根据权利要求1所述的一种高速公路隧道运输货车行驶安全的监控方法,其特征在于:步骤S3中判定鸣笛的具体条件为:6. the monitoring method of a kind of expressway tunnel transport freight vehicle driving safety according to claim 1, is characterized in that: in step S3, the concrete condition of judging whistle is: 1)当运输货车在隧道内定位信息显示车辆正在驶入弯道、接近上坡顶点或者经过隧道岔口等路段;1) When the location information of the transport truck in the tunnel shows that the vehicle is entering a curve, approaching the apex of an uphill, or passing through a road section such as a tunnel fork; 2)超声波探测器以及环境信息采集模块采集到自动驾驶车辆前后方有其他车辆或行人障碍物已经进入安全距离内,且距离正在减小;2) The ultrasonic detector and the environmental information collection module have collected that there are other vehicles or pedestrian obstacles in the front and rear of the autonomous vehicle that have entered a safe distance, and the distance is decreasing; 当运输货车遇到上述1或2中的任意一种情况时,则判定运输货车鸣笛。When the transport truck encounters any of the above 1 or 2, it is determined that the transport truck whistle. 7.根据权利要求1所述的一种高速公路隧道运输货车行驶安全的监控方法,其特征在于:步骤S4中所述的行车时长预警计时从车辆启动为起点,并同时采集驾驶员信息进行记录,然后进行实时监控,当车辆连续行驶3.5小时后进行行车时长提醒,并再次采集驾驶员信息,当车辆连续行驶超过4小时为停车休息或者停车休息不足20min,将驾驶员信息以及具体的车辆数据和路线传输至监控端,同时车辆自动打开双闪灯对隧道内其余的车辆进行警示。7. the monitoring method of a kind of expressway tunnel transport freight vehicle driving safety according to claim 1 is characterized in that: the driving duration warning timing described in the step S4 starts from the vehicle start, and simultaneously collects driver information to record , and then carry out real-time monitoring. When the vehicle runs continuously for 3.5 hours, the driving time will be reminded, and the driver information will be collected again. And the route is transmitted to the monitoring terminal, and the vehicle automatically turns on the double flashing lights to warn the rest of the vehicles in the tunnel. 8.根据权利要求1所述的一种高速公路隧道运输货车行驶安全的监控方法,其特征在于:步骤S1所述的天气环境具体指采集运输货车行车天气是否是雨雪天气,并提醒驾驶员判定隧道路面是否湿滑,以确保行车安全。8. The monitoring method for the safety of a transport truck in a highway tunnel according to claim 1, wherein the weather environment described in step S1 specifically refers to collecting whether the driving weather of the transport truck is rain and snow, and reminding the driver Determine whether the road surface of the tunnel is slippery to ensure driving safety.
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