CN116486606A - Intelligent network vehicle-mounted terminal central control system - Google Patents
Intelligent network vehicle-mounted terminal central control system Download PDFInfo
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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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
- G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding 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
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
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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
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses an intelligent network vehicle-mounted terminal central control system, which relates to the technical field of vehicle-mounted control systems, and solves the technical problems that after the vehicle is plugged, the vehicle is plugged again or continuously plugged, the path and the speed of surrounding vehicles are analyzed, control parameters are generated according to analysis results, a main control unit decelerates and reaccelerates the vehicles in a state of ensuring a safe driving distance according to the generated control parameters, after the vehicle is plugged, the vehicle is accelerated in advance, the situation that other vehicles are plugged again is effectively avoided, the driving experience of a driver is improved, the repeated plugging is avoided, the driving path of the driving vehicle is acquired through the analysis results, the vehicle is pre-decelerated according to the driving path, the occurrence of rear-end collision accidents due to untimely deceleration in a blind area or a curve area is avoided, and the driving safety is ensured to a certain extent.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted control systems, and particularly relates to an intelligent network vehicle-mounted terminal central control system.
Background
The vehicle-mounted terminal is front-end equipment of the vehicle monitoring management system, and can be called as a vehicle dispatching monitoring terminal, along with the development of the era, the vehicle is gradually intelligent, and a plurality of different auxiliary driving systems are arranged in the vehicle-mounted terminal, so that the driving safety is ensured to a certain extent, and the driver is facilitated to a certain extent.
The invention of patent publication number CN110968034A provides an intelligent network vehicle-mounted terminal central control system, which adopts an embedded integrated structure and comprises a control device, a power distribution controller PLC and a terminal display screen; the control device is connected with the vehicle-mounted equipment and the sensor through the standard interface and is used for acquiring data acquired by the vehicle-mounted equipment and the sensor and controlling the vehicle-mounted equipment according to a data processing result; the power distribution controller PLC is connected with power distribution equipment through a power distribution interface and is used for performing intelligent power distribution control, monitoring and alarming on special vehicle power distribution equipment, vehicle-mounted electromechanical equipment and in-vehicle electronic equipment; and the terminal display screen is used for displaying a control interface of the control device and the power distribution controller PLC. The invention is installed in the cockpit in a later loading mode, and is used as a central brain to manage various access devices and sensors in the special vehicle, thereby providing high-quality control use and driving experience for users.
In a specific control process, the vehicle-mounted terminal central control system generally carries out intelligent control on the vehicle according to vehicle track parameters and surrounding environments of the vehicle, but in a specific practical application scene, the following defects still exist and need to be improved:
in the congested road sections of the early peak and the late peak, the situation that the driver is jammed again or continuously jammed after the jam is finished can occur due to the inexperience of the driver in the driving process, so that the driving experience of the driver is seriously influenced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides an intelligent network vehicle-mounted terminal central control system which is used for solving the technical problem that the situation that the vehicle-mounted terminal is plugged again or continuously plugged after the plugging is completed due to the inexperience of a driver.
In order to achieve the above objective, an embodiment according to a first aspect of the present invention provides an intelligent network vehicle-mounted terminal central control system, which includes a vehicle body data acquisition end, an environment data acquisition end, a control center, a navigation data acquisition end, and a display terminal;
the control center comprises an environment data analysis unit, a storage unit, a navigation data analysis unit and a main control unit;
the vehicle body data acquisition end is used for acquiring vehicle body data of a running vehicle and transmitting the acquired vehicle body data into the control center, wherein the vehicle body data comprises real-time running speed of the vehicle body and braking distance between the vehicle body and a front vehicle;
the environment data analysis unit is used for receiving the real-time environment video, analyzing the paths and the speeds of the surrounding vehicles according to the received real-time environment video, generating control parameters according to analysis results, and transmitting the control parameters into the main control unit;
the navigation data acquisition end acquires navigation data from the big data cloud end, transmits the navigation data to the control center, and a navigation data analysis unit in the control center analyzes and processes the navigation data, wherein the navigation data comprises traffic jam conditions and the traveling speeds of a plurality of traffic jam vehicles;
the navigation data analysis unit is used for receiving the navigation data, analyzing the navigation data, acquiring the travel distance of the running vehicle according to the analysis result, pre-decelerating the vehicle according to the travel distance, and generating a corresponding emergency avoidance signal or a corresponding deceleration signal for receiving;
the main control unit receives control parameters, decelerates and accelerates the vehicle under the condition of ensuring the safe driving distance according to the generated control parameters, receives an emergency avoidance signal, and starts the emergency avoidance system through the emergency avoidance signal so that the whole radar of the driving vehicle is in an operation state.
Preferably, the specific way of the environmental data analysis unit for analyzing the path and the speed of the surrounding vehicles is as follows:
confirming a driving lane of a driving vehicle from a real-time environment video, and tracking broken lines on two sides from the driving lane;
then, from the real-time environment video, the running speed of the vehicle around the running vehicle is obtained, and the obtained running speed is marked as XS k Wherein k represents different surrounding vehicles and marks the speed of the current running vehicle as Vx;
when XS k Generating a monitoring signal when Vx is larger than the threshold value, otherwise, not generating any signal, monitoring the front-end running dotted line of the running vehicle according to the generated monitoring signal, monitoring whether the front dotted line has a fault condition, generating a plugging signal if the fault condition exists, performing the next processing, and if the fault condition does not exist, performing no processing;
according to the signal, the vehicle around the front is monitored and the running speed XS is obtained k Extracting preset parameter X1 from memory cell, using VG=XS k -X1 obtains a deceleration parameter VG, transmitting VG into the main control unit;
the method comprises the steps of dividing a stoppered vehicle by using a broken line as a dividing line and using an area between two groups of broken lines as a designated area, wherein the divided area parameters are respectively marked as Y1 and Y2, Y1 represents the area parameter positioned in the designated area, Y2 represents the area parameter outside the designated area, and whenGenerating a speed increasing signal and adding the speed increasing signal to the running speed XS of the plug-in vehicle k Transmitting the data to the main control unit.
Preferably, the main control unit receives the deceleration parameter VG, decelerates the vehicle according to the deceleration parameter VG, accelerates the vehicle according to the received acceleration signal, and increases the vehicle to XS k And in the process of accelerating, according to the internal radar parameters, the braking distance between the running vehicle and the front vehicle is adjusted, and the safe running distance is kept.
Preferably, the specific way of the navigation data analysis unit for analyzing the navigation data is as follows:
determining a traffic jam route from a navigation data packet by adopting a GPS positioning system in a running vehicle, extracting a running distance XJL of the running vehicle from the traffic jam route, extracting running speeds of a plurality of traffic jam vehicles, marking the running speeds as VD, and carrying out average processing on the running speeds VD;
extracting a preset parameter X2 from the storage unit, comparing XJL with Y2, generating a processing signal when XJL is more than or equal to X2, otherwise, generating an emergency avoidance signal, and transmitting the emergency avoidance signal into the main control unit;
acquiring the running speed VB of the running vehicle from the vehicle body data packet according to the processing signal by adoptingObtaining safe running time TB, and obtaining a traffic jam path running distance DJL by adopting VD×TB=DJL;
and (3) setting the XJL+DJL-X2=safe driving distance, ensuring that the vehicle is required to be subjected to deceleration processing after the vehicle is driven at the safe driving distance according to a GPS positioning system in the driving vehicle, generating a deceleration signal and transmitting the deceleration signal to an external display terminal.
Preferably, the display terminal is a vehicle-mounted display screen, and displays the deceleration signal to warn a driver.
Compared with the prior art, the invention has the beneficial effects that: according to the received real-time environment video, the paths and the speeds of the surrounding vehicles are analyzed, control parameters are generated according to analysis results and are transmitted to the main control unit, the main control unit decelerates and accelerates the vehicles under the condition of guaranteeing the safe driving distance according to the generated control parameters, and after the plugging of a certain surrounding vehicle is finished, the vehicles are accelerated in advance, so that the situation that other vehicles are plugged again is effectively avoided, the driving experience of a driver is improved, and the vehicles are prevented from being plugged for many times;
the method comprises the steps of obtaining navigation data from a big data cloud, transmitting the navigation data to a control center, receiving the navigation data, analyzing the navigation data, obtaining the travel distance of a running vehicle according to an analysis result, pre-decelerating the vehicle according to the travel distance, avoiding rear-end collision accidents caused by untimely deceleration in a visual field blind area or a plurality of curve areas, and ensuring driving safety to a certain extent.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present application provides an intelligent network vehicle-mounted terminal central control system, which includes a vehicle body data acquisition end, an environment data acquisition end, a control center, a navigation data acquisition end and a display terminal;
the vehicle body data acquisition end, the environment data acquisition end and the navigation data acquisition end are all connected with the input end of the control center;
the control center comprises an environment data analysis unit, a storage unit, a navigation data analysis unit and a main control unit;
the environment data analysis unit and the navigation data analysis unit are both connected with the storage unit in a bidirectional manner, the output ends of the environment data analysis unit and the navigation data analysis unit are both connected with the input end of the main control unit, and the output end of the storage unit is connected with the input end of the main control unit;
the vehicle body data acquisition end is used for acquiring vehicle body data of a running vehicle and transmitting the acquired vehicle body data into the control center, wherein the vehicle body data comprises real-time running speed of the vehicle body and braking distance between the vehicle body and a front vehicle;
the environment data acquisition end is used for acquiring real-time environment videos of 2.5 meters around the running vehicle and transmitting the acquired real-time environment videos into the control center, wherein the acquired real-time environment videos are transmitted into the environment data analysis unit, and the real-time environment videos are deleted once per month so as to avoid insufficient memory of the running vehicle;
the environment data analysis unit is used for receiving the real-time environment video, analyzing the paths and the speeds of surrounding vehicles according to the received real-time environment video, generating control parameters according to analysis results, and transmitting the control parameters into the main control unit, wherein the specific mode for analyzing is as follows:
confirming a driving lane of a driving vehicle from a real-time environment video, and tracking broken lines on two sides from the driving lane;
then, from the real-time environment video, the running speed of the vehicle around the running vehicle is obtained, and the obtained running speed is marked as XS k Wherein k represents different surrounding vehicles and marks the speed of the current running vehicle as Vx;
when XS k If the fault exists, the front broken line is pressed by the surrounding vehicles, and the surrounding vehicles need to be plugged, if the fault exists, a plugging signal is generated, the next processing is carried out, and if the fault does not exist, no processing is carried out;
according to the signal, the vehicle around the front is monitored and the running speed XS is obtained k Extracting preset parameter X1 from memory cell, using VG=XS k -X1 obtains a deceleration parameter VG, transmitting VG into the main control unit;
the method comprises the steps of dividing a stoppered vehicle by using a broken line as a dividing line and using an area between two groups of broken lines as a designated area, wherein the divided area parameters are respectively marked as Y1 and Y2, Y1 represents the area parameter positioned in the designated area, Y2 represents the area parameter outside the designated area, and whenGenerating a speed increasing signal and adding the speed increasing signal to the running speed XS of the plug-in vehicle k Transmitting the data to the main control unit.
The main control unit receives the deceleration parameters VG in advance, decelerates the vehicle according to the deceleration parameters VG, accelerates the vehicle according to the received acceleration signals, and increases the vehicle to XS k In the process of accelerating, according to internal radar parameters, the braking distance between the running vehicle and the front vehicle is adjusted, and the safe running distance is kept, specifically: when other vehicles are plugged in front of the vehicle, the vehicles generally need to be decelerated and let go, but in the deceleration and let go process, the other vehicles are plugged, so that the driver of the vehicle is extremely dissatisfied, and two thirds of the vehicles of the plugged vehicles enter a front area, and the vehicles are accelerated under the condition of keeping a safe distance, so that the vehicles are accelerated in advance, and the situation that the other vehicles are plugged again is effectively avoided;
the navigation data acquisition end acquires navigation data from the big data cloud end, transmits the navigation data to the control center, and a navigation data analysis unit in the control center analyzes and processes the navigation data, wherein the navigation data comprises traffic jam conditions and the traveling speeds of a plurality of traffic jam vehicles;
the navigation data analysis unit is used for receiving the navigation data, analyzing the navigation data, acquiring the traveling distance of the traveling vehicle according to the analysis result, pre-decelerating the vehicle according to the traveling distance, and avoiding rear-end collision accidents caused by untimely deceleration in visual field blind areas or some curve areas (in highways in some mountain areas, a plurality of curves exist, and the speed of part of drivers is not low, and when some visual field blind areas exist, the driver is in a high-speed driving state because the vehicle is in a high-speed driving state, and can not pay attention to the navigation information at any time, so that the situation is not known easily, the braking is not timely, and the rear-end collision accidents occur), wherein the specific method for analyzing is as follows:
determining a traffic jam route from a navigation data packet by adopting a GPS positioning system in a running vehicle, extracting a running distance XJL of the running vehicle from the traffic jam route, extracting running speeds of a plurality of traffic jam vehicles, marking the running speeds as VD, and carrying out average processing on the running speeds VD;
extracting a preset parameter X2 from the storage unit, comparing XJL with Y2, generating a processing signal when XJL is more than or equal to X2, otherwise, generating an emergency avoidance signal, and transmitting the emergency avoidance signal into the main control unit;
acquiring the running speed VB of the running vehicle from the vehicle body data packet according to the processing signal by adoptingObtaining safe running time TB, and obtaining a traffic jam path running distance DJL by adopting VD×TB=DJL;
and (3) setting the XJL+DJL-X2=safe driving distance, ensuring that the vehicle is required to be subjected to deceleration processing after the vehicle is driven at the safe driving distance according to a GPS positioning system in the driving vehicle, generating a deceleration signal and transmitting the deceleration signal to an external display terminal.
The display terminal is a vehicle-mounted display screen, and when a deceleration signal is received, the vehicle is controlled to perform deceleration processing, so that rear-end collision accidents caused by blind areas of sight or turning road sections are avoided.
The main control unit receives the emergency avoidance signal and starts the emergency avoidance system through the emergency avoidance signal, so that the whole radar of the running vehicle is in an operation state, and rear-end collision accidents are avoided.
Example two
In the implementation process of the present embodiment, compared with the first embodiment, the specific difference is that in the specific operation process of the environmental data analysis unit, the dotted line is used as the dividing line, the area between the two groups of dotted lines is used as the designated area, the stoppered vehicles are divided from the dividing line, the divided area parameters are respectively marked as Y1 and Y2, Y1 represents the area parameter located in the designated area, Y2 is the area parameter outside the designated area, whenGenerating a speed increasing signal and adding the speed increasing signal to the running speed XS of the plug-in vehicle k Transmitting the data to the main control unit.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the invention is as follows: acquiring body data of a running vehicle in advance, acquiring real-time environment videos of 2.5 meters around the running vehicle, analyzing paths and speeds of the surrounding vehicles according to the received real-time environment videos, generating control parameters according to analysis results, transmitting the control parameters into a main control unit, decelerating and accelerating the vehicle under the condition of ensuring a safe driving distance according to the generated control parameters by the main control unit, accelerating in advance after the certain surrounding vehicle is completely plugged, effectively avoiding the situation that other vehicles are plugged again, improving driving experience of drivers, and avoiding being plugged for many times;
the method comprises the steps of obtaining navigation data from a big data cloud, transmitting the navigation data to a control center, receiving the navigation data, analyzing the navigation data, obtaining the travel distance of a running vehicle according to an analysis result, pre-decelerating the vehicle according to the travel distance, avoiding rear-end collision accidents caused by untimely deceleration in a visual field blind area or a plurality of curve areas, and ensuring driving safety to a certain extent.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (5)
1. The intelligent network vehicle-mounted terminal central control system is characterized by comprising a vehicle body data acquisition end, an environment data acquisition end, a control center, a navigation data acquisition end and a display terminal;
the control center comprises an environment data analysis unit, a storage unit, a navigation data analysis unit and a main control unit;
the vehicle body data acquisition end is used for acquiring vehicle body data of a running vehicle and transmitting the acquired vehicle body data into the control center, wherein the vehicle body data comprises real-time running speed of the vehicle body and braking distance between the vehicle body and a front vehicle;
the environment data analysis unit is used for receiving the real-time environment video, analyzing the paths and the speeds of the surrounding vehicles according to the received real-time environment video, generating control parameters according to analysis results, and transmitting the control parameters into the main control unit;
the navigation data acquisition end acquires navigation data from the big data cloud end, transmits the navigation data to the control center, and a navigation data analysis unit in the control center analyzes and processes the navigation data, wherein the navigation data comprises traffic jam conditions and the traveling speeds of a plurality of traffic jam vehicles;
the navigation data analysis unit is used for receiving the navigation data, analyzing the navigation data, acquiring the travel distance of the running vehicle according to the analysis result, pre-decelerating the vehicle according to the travel distance, and generating a corresponding emergency avoidance signal or a corresponding deceleration signal for receiving;
the main control unit receives control parameters, decelerates and accelerates the vehicle under the condition of ensuring the safe driving distance according to the generated control parameters, receives an emergency avoidance signal, and starts the emergency avoidance system through the emergency avoidance signal so that the whole radar of the driving vehicle is in an operation state.
2. The central control system of an intelligent network vehicle terminal according to claim 1, wherein the environmental data analysis unit analyzes the path and the speed of the surrounding vehicles in the following specific ways:
confirming a driving lane of a driving vehicle from a real-time environment video, and tracking broken lines on two sides from the driving lane;
then from real-time ringIn the context video, the running speed of the vehicle around the running vehicle is acquired, and the acquired running speed is marked as XS k Wherein k represents different surrounding vehicles and marks the speed of the current running vehicle as Vx;
when XS k Generating a monitoring signal when Vx is larger than the threshold value, otherwise, not generating any signal, monitoring the front-end running dotted line of the running vehicle according to the generated monitoring signal, monitoring whether the front dotted line has a fault condition, generating a plugging signal if the fault condition exists, performing the next processing, and if the fault condition does not exist, performing no processing;
according to the signal, the vehicle around the front is monitored and the running speed XS is obtained k Extracting preset parameter X1 from memory cell, using VG=XS k -X1 obtains a deceleration parameter VG, transmitting VG into the main control unit;
the method comprises the steps of dividing a stoppered vehicle by using a broken line as a dividing line and using an area between two groups of broken lines as a designated area, wherein the divided area parameters are respectively marked as Y1 and Y2, Y1 represents the area parameter positioned in the designated area, Y2 represents the area parameter outside the designated area, and whenGenerating a speed increasing signal and adding the speed increasing signal to the running speed XS of the plug-in vehicle k Transmitting the data to the main control unit.
3. The central control system of intelligent network vehicle-mounted terminal according to claim 2, wherein the main control unit receives the deceleration parameter VG, and performs deceleration processing on the vehicle according to the deceleration parameter VG, and further performs acceleration processing on the vehicle according to the received acceleration signal, and increases the vehicle to XS k And in the process of accelerating, according to the internal radar parameters, the braking distance between the running vehicle and the front vehicle is adjusted, and the safe running distance is kept.
4. The central control system of the intelligent network vehicle-mounted terminal according to claim 1, wherein the specific way for the navigation data analysis unit to analyze the navigation data is as follows:
determining a traffic jam route from a navigation data packet by adopting a GPS positioning system in a running vehicle, extracting a running distance XJL of the running vehicle from the traffic jam route, extracting running speeds of a plurality of traffic jam vehicles, marking the running speeds as VD, and carrying out average processing on the running speeds VD;
extracting a preset parameter X2 from the storage unit, comparing XJL with Y2, generating a processing signal when XJL is more than or equal to X2, otherwise, generating an emergency avoidance signal, and transmitting the emergency avoidance signal into the main control unit;
acquiring the running speed VB of the running vehicle from the vehicle body data packet according to the processing signal by adoptingObtaining safe running time TB, and obtaining a traffic jam path running distance DJL by adopting VD×TB=DJL;
and (3) setting the XJL+DJL-X2=safe driving distance, ensuring that the vehicle is required to be subjected to deceleration processing after the vehicle is driven at the safe driving distance according to a GPS positioning system in the driving vehicle, generating a deceleration signal and transmitting the deceleration signal to an external display terminal.
5. The intelligent network vehicle-mounted terminal central control system according to claim 4, wherein the display terminal is a vehicle-mounted display screen, and displays a deceleration signal to warn a driver.
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