CN115331462A - Intelligent fire-fighting special duty vehicle control method based on vehicle-road cooperation - Google Patents
Intelligent fire-fighting special duty vehicle control method based on vehicle-road cooperation Download PDFInfo
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Abstract
The invention relates to the technical field of special duty management and control, and discloses an intelligent fire-fighting special duty vehicle control method based on vehicle-road cooperation, which comprises the following steps: s100, acquiring fire alarm information according to the alarm information; s200, analyzing road conditions according to the fire alarm information and generating a planning path; s300, starting the special duty vehicle to attendance according to the planned path; s400, confirming the intersection position of the special service vehicle at the roadside; s500, adjust the signal lamp at the next crossing of special duty car, can be according to the automatic fire alarm information that acquires of alarm information, then combine to the analysis generation special duty car of road conditions behind the planning route that can arrive the destination the fastest, start the attendance of special duty car, when confirming that special duty car arrives the crossing position, can confirm the position of special duty car, thereby can adjust the signal lamp at next crossing according to planning the route, it directly passes through not need not wait for the red light when making special duty car pass through next crossing, promote the efficiency of attendance of special duty car.
Description
Technical Field
The invention relates to the technical field of special duty management and control, in particular to an intelligent fire-fighting special duty vehicle control method based on vehicle-road cooperation.
Background
Special duty vehicles, as the name implies, include armed escort guard, security guard special duty vehicles, fire fighting vehicles and the like for performing tasks with special requirements, and therefore generally have more severe requirements on working efficiency and response speed.
At present, because the traffic vehicle flow in cities is large and the fluctuation of the smoothness is also large, the time of the special service vehicle reaching a target place is greatly changed under the circumstances of different time periods and the same path, which is unacceptable for the special service vehicle executing a task.
At the present stage, traffic signal control is the most common traffic management form at urban road intersections, and the traditional traffic signal control method is timing control, namely, a traffic signal machine at the road intersection operates according to a timing scheme preset by a system. With the increase of the number of urban motor vehicles, the traffic flow complexity of road intersections is increased, and in order to improve the traffic capacity and the traffic efficiency of the road intersections, intelligent traffic signal control systems are gradually applied to the traffic management of the urban road intersections. The intelligent traffic signal control system mainly comprises automatic detection equipment embedded in a road intersection, namely, an inlet road surface and an outlet road surface of the intersection, the automatic detection equipment is used for detecting the traffic flow of each lane in real time, and then the on-line optimization and the adjustment of intersection signal lamp timing are carried out according to the traffic flow so as to adapt to the change of the current traffic flow, wherein the traffic flow refers to the traffic flow formed by continuous driving of automobiles on the road, and the traffic flow in a broad sense also comprises the traffic flow and the pedestrian flow formed by other vehicles.
Therefore, the traffic signal can be regulated and controlled by monitoring the traffic flow, and the time of the special service vehicle reaching the target place is maintained in a reasonable range as much as possible. However, once the traffic flow is too large, the demand cannot be met only by regulating and controlling the traffic signal under the condition of traffic jam.
Disclosure of Invention
The invention aims to provide an intelligent fire-fighting special duty vehicle control method based on vehicle-road cooperation, which solves the following technical problems:
how to provide a control method and a control system capable of improving the duty efficiency of a fire-fighting special duty vehicle.
The purpose of the invention can be realized by the following technical scheme:
an intelligent fire-fighting special duty vehicle control method based on vehicle-road cooperation comprises the following steps:
s100, acquiring fire alarm information according to the alarm information;
s200, analyzing the road condition according to the fire alarm information and generating a planning path;
s300, starting a special service vehicle to attendance according to the planned path;
s400, confirming the intersection position of the special service vehicle at the road side;
and S500, adjusting a signal lamp of the next intersection of the special service vehicle.
Through above-mentioned technical scheme, can be according to the automatic fire alarm information that acquires of alarm information, then combine to the analysis generation special service car of road conditions can arrive the planning route of destination the fastest after, start the play of special service car, when confirming that special service car reachs the crossing position, can confirm the position of special service car, thereby can adjust the signal lamp of next crossing according to planning the route, need not wait for the red light directly to pass through when making special service car pass through next crossing, promote the efficiency of going out to work of special service car.
As a further scheme of the invention: the step S100 includes:
step S101, collecting alarm telephone voice containing the alarm information;
step S102, extracting alarm keywords in the alarm telephone voice by utilizing a natural semantic extraction technology;
and step S103, generating the fire alarm information according to the alarm keywords.
Through the technical scheme, because the general alarm telephone voice is the conversation between the answerer and the alarmer, the answerer can repeat and strengthen the narration of the alarmer, so that the natural semantic extraction technology can be used for extracting the alarm keywords in the alarm keywords, and then the fire alarm information in the standard format is generated according to the alarm keywords, thereby facilitating the identification and the task allocation.
As a further scheme of the invention: the alarm keywords comprise alarm places, alarm reasons, alarm time and alarm levels;
step S200 includes the steps of:
step S201, searching n fire-fighting stations which are nearest to the police place and provided with the special duty vehicles;
step S202, calculating the time required for the nth fire-fighting station to reach the alarm place through a simulation path; the simulated path is the shortest path and the unobstructed path between the fire-fighting station and the alarm place;
and step S203, combining the shortest path and the most unobstructed path to obtain the planned path.
According to the technical scheme, n can be set to be 3, taking one fire-fighting station as an example, the shortest path and the most unobstructed path reaching an alarm place are calculated, then the shortest path and the most unobstructed path are combined to be taken to generate the planned path, finally, the specific conditions of the planned paths corresponding to the 3 fire-fighting stations are compared, and one of the optimal paths is selected as the planned path.
As a further scheme of the invention: the step S203 includes:
acquiring a road section congestion parameter Pm, a straight-through traffic flow parameter Qm, a turning traffic flow parameter Tm and a road section length score Lm of each road section in all paths from the fire fighting site to the alarm location; wherein m is a road segment label;
a congestion score Tm for the road segment m is calculated,
wherein, a is a coefficient related to the congestion length of the road section, and b and c are coefficients related to the straight traffic flow and the turning traffic flow respectively;
and calculating a path congestion score Tn and a road section length path length score Ln to obtain a comprehensive score Zn.
Through the technical scheme, the congestion condition and the straight-going or turning traffic flow condition of each road section in the path are considered, the overall length condition of the path is considered, the congestion condition is more serious, the congestion score is higher, the path length is longer, the corresponding path length score is higher, the current path is scored and analyzed to obtain the comprehensive score, the comprehensive score is used as the basis for selecting the optimal planned path, the planned path can be selected more accurately, and the traveling efficiency of the special service vehicle is improved to the maximum extent.
As a further scheme of the invention: the method for calculating the path congestion score Tn and the path length score Ln and acquiring the comprehensive score Zn comprises the following steps:
the calculation formula of the path congestion score Tn is as follows: tn = (Tmax + Tnx/r)/2;
tmax is the congestion score of the road section with the highest congestion degree, tnx is the sum of the congestion scores of all other road sections except the road section with the highest congestion degree in the path, and r is the number of all other road sections except the road section with the highest congestion degree;
the path length score Ln is obtained through the comparison result of the path length and a preset comparison table;
wherein Zn = fTn + kLn, f > k; and selecting the path with the lowest comprehensive score Zn as the planning path.
Through above-mentioned technical scheme, promote the weight of considering of the highest highway section of degree that blocks up to promote the weight of considering of the whole condition of blocking up in route, so can avoid the waste of traffic lights signal adjustment function, also probably because accident or car flowrate are too big under the green lights condition and appear blocking up, from the current efficiency of further assurance special service car.
As a further scheme of the invention: the step S400 includes:
s401, monitoring whether the special service vehicle is in place at a road junction in real time;
s402, if the special service vehicle is monitored to reach the designated position, the traffic light information of the next intersection is updated in real time, and the traffic light information is pushed to the special service vehicle.
Through the technical scheme, the position of the special service vehicle can be accurately determined, and because the position of the designated position is determined, no error is generated, so that the traffic light information can be conveniently and accurately adjusted and switched.
As a further scheme of the invention: the step S500 includes:
estimating the remaining time of the special service vehicle reaching the next intersection;
and switching the corresponding traffic light information of the next intersection into a green light passing state after the residual time is reached according to the planned path.
By the technical scheme, the special service vehicle can arrive at the place for worship by green light all the way.
As a further scheme of the invention: an intelligent fire-fighting special duty vehicle control system based on vehicle-road coordination comprises:
the alarm condition acquisition module is used for acquiring fire alarm information according to the alarm information;
the road condition analysis module is used for analyzing the road condition according to the fire alarm information;
the path planning module is used for generating a planned path according to the fire alarm information and the road condition analysis result;
the attendance command platform is used for starting the special duty vehicle to attend according to the planned path;
the positioning module is used for positioning the special service vehicle;
the OBU communication module is arranged on the special duty car and used for sending a designated signal to the outside;
the road side RSU module is arranged at a road side position and used for establishing a communication data exchange relation between the corresponding designated signal and the OBU communication module;
and the traffic control module is used for adjusting a signal lamp of the next intersection of the special service vehicle.
The invention has the beneficial effects that:
(1) The special service vehicle can automatically acquire fire alarm information according to the alarm information, then generates a planned path which can be most quickly reached to a destination by the special service vehicle by combining with the analysis of road conditions, starts the attendance of the special service vehicle, and can confirm the position of the special service vehicle when the special service vehicle is confirmed to reach the position of an intersection, so that a signal lamp of the next intersection can be adjusted according to the planned path, the special service vehicle can directly pass through the next intersection without waiting for a red light, and the attendance efficiency of the special service vehicle is improved;
(2) Because the general alarm telephone voice is a conversation between the answering machine and the alarm person, the answering machine can repeat and strengthen the description of the alarm person, so that the natural semantic extraction technology can be used for extracting the alarm keywords in the alarm person, and then the fire alarm information in a standard format is generated according to the alarm keywords, thereby facilitating identification and task allocation;
(3) The congestion condition and the straight-going or turning traffic flow condition of each road section in the route are considered, the overall length condition of the route is considered, the congestion condition is more serious, the congestion score is higher, the route length is longer, the corresponding route length score is higher, the current route is scored and analyzed to obtain the comprehensive score, the comprehensive score is used as a basis for selecting the optimal planned route, the planned route can be selected more accurately, and the running efficiency of the special service vehicle is improved to the maximum extent.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an embodiment of the intelligent fire-fighting special duty vehicle control method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, the present invention is an intelligent fire-fighting special duty vehicle control method based on vehicle-road coordination, including the following steps:
s100, acquiring fire alarm information according to the alarm information; the fire information is the warning information in fig. 1;
s200, analyzing road conditions according to the fire alarm information and generating a planning path;
s300, starting the special duty vehicle to attendance according to the planned path;
s400, confirming the intersection position of the special service vehicle at the road side;
and S500, adjusting a signal lamp of the next intersection of the special service vehicle.
Through above-mentioned technical scheme, can be according to the automatic fire alarm information that acquires of alarm information, then combine to the analysis generation special service car of road conditions can arrive the planning route of destination the fastest after, start the play of special service car, when confirming that special service car reachs the crossing position, can confirm the position of special service car, thereby can adjust the signal lamp of next crossing according to planning the route, need not wait for the red light directly to pass through when making special service car pass through next crossing, promote the efficiency of going out to work of special service car.
As a further scheme of the invention: the step S100 includes:
step S101, collecting alarm telephone voice containing the alarm information;
step S102, extracting alarm keywords in the alarm telephone voice by utilizing a natural semantic extraction technology;
and step S103, generating the fire alarm information according to the alarm keywords.
By the technical scheme, because the general alarm telephone voice is a conversation between the answerer and the alarmer, the answerer can rephrase and strengthen the description of the alarmer, so that the alarm keywords can be extracted by using a natural semantic extraction technology, and then the fire alarm information in a standard format is generated according to the alarm keywords, thereby facilitating identification and task allocation.
As a further scheme of the invention: the alarm keywords comprise alarm places, alarm reasons, alarm time and alarm levels;
step S200 includes the steps of:
step S201, searching n fire-fighting stations which are nearest to the police place and provided with the special duty vehicles;
step S202, calculating the time required for the nth fire-fighting station to reach the alarm place through a simulation path; the simulated path is the shortest path and the unobstructed path between the fire-fighting station and the alarm place;
and step S203, combining the shortest path and the most unobstructed path to generate the planned path.
According to the technical scheme, n can be set to be 3, taking one fire-fighting station as an example, the shortest path and the most unobstructed path reaching an alarm place are calculated, then the shortest path and the most unobstructed path are combined to be taken to generate the planned path, finally, the specific conditions of the planned paths corresponding to the 3 fire-fighting stations are compared, and one of the optimal paths is selected as the planned path.
As a further scheme of the invention: the step S203 includes:
acquiring a road section congestion parameter Pm, a straight-through traffic flow parameter Qm, a turning traffic flow parameter Tm and a road section length score Lm of each road section in all paths from the fire fighting site to the alarm location; wherein m is a road segment label;
a congestion score Tm for the road segment m is calculated,
wherein, a is a coefficient related to the congestion length of the road section, and b and c are coefficients related to the straight traffic flow and the turning traffic flow respectively;
and calculating a path congestion score Tn and a road section length path length score Ln to obtain a comprehensive score Zn.
Through the technical scheme, the congestion condition and the straight-going or turning traffic flow condition of each road section in the route are considered, the overall length condition of the route is considered, the congestion condition is more serious, the congestion score is higher, the route length is longer, and the corresponding route length score is higher, so that the current route is scored and analyzed to obtain the comprehensive score, the comprehensive score is used as the basis for selecting the optimal planned route, the planned route can be selected more accurately, and the traveling efficiency of the special service vehicle is improved to the maximum.
As a further scheme of the invention: the method for calculating the path congestion score Tn and the path length score Ln and acquiring the comprehensive score Zn comprises the following steps:
the calculation formula of the path congestion score Tn is as follows: tn = (Tmax + Tnx/r)/2;
tmax is the congestion score of the road section with the highest congestion degree, tnx is the sum of the congestion scores of all other road sections except the road section with the highest congestion degree in the path, and r is the number of all other road sections except the road section with the highest congestion degree;
the path length score Ln is obtained through the comparison result of the path length and a preset comparison table;
wherein Zn = fTn + kLn, f > k; and selecting the path with the lowest comprehensive score Zn as the planning path.
Through above-mentioned technical scheme, promote the weight of considering of the highest highway section of degree that blocks up to promote the weight of considering of the whole condition of blockking up on route, so can avoid the waste of traffic lights signal adjustment function, also probably because the accident or the traffic flow is too big under the green lights condition and appear blocking up, from the current efficiency of further assurance special service car.
As a further scheme of the invention: the step S400 includes:
s401, monitoring whether the special service vehicle is in place at a road junction in real time;
s402, if the special service vehicle is monitored to reach the designated position, the traffic light information of the next intersection is updated in real time, and the traffic light information is pushed to the special service vehicle.
Through the technical scheme, the position of the special service vehicle can be accurately determined, and because the position of the designated position is determined, no error is generated, so that the traffic light information can be conveniently and accurately adjusted and switched.
As a further scheme of the invention: the step S500 includes:
estimating the remaining time of the special service vehicle reaching the next intersection;
and switching the corresponding traffic light information of the next intersection into a green light passing state after the residual time is reached according to the planned path.
By the technical scheme, the special service vehicle can arrive at the place for worship by green light all the way.
As a further scheme of the invention: an intelligent fire-fighting special duty vehicle control system based on vehicle-road coordination comprises:
the alarm condition acquisition module is used for acquiring fire alarm information according to the alarm information;
the road condition analysis module is used for analyzing the road condition according to the fire alarm information;
the path planning module is used for generating a planned path according to the fire alarm information and the road condition analysis result;
the attendance command platform is used for starting the special duty vehicle to attend according to the planned path;
the positioning module is used for positioning the special service vehicle;
the OBU communication module is arranged on the special duty car and used for sending a designated signal to the outside;
the road side RSU module is arranged at a road side position and used for establishing a communication data exchange relation between the corresponding designated signal and the OBU communication module;
and the traffic control module is used for adjusting a signal lamp of the next intersection of the special service vehicle.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. An intelligent fire-fighting special duty vehicle control method based on vehicle-road cooperation is characterized by comprising the following steps:
s100, acquiring fire alarm information according to the alarm information;
s200, analyzing road conditions according to the fire alarm information and generating a planning path;
s300, starting the special duty vehicle to attendance according to the planned path;
s400, confirming the intersection position of the special service vehicle at the road side;
and S500, adjusting a signal lamp of the next intersection of the special service vehicle.
2. The intelligent fire-fighting special duty vehicle control method according to claim 1, wherein said step S100 comprises:
step S101, collecting alarm telephone voice containing the alarm information;
step S102, extracting alarm keywords in the alarm telephone voice by utilizing a natural semantic extraction technology;
and step S103, generating the fire alarm information according to the alarm keywords.
3. The intelligent fire-fighting special duty vehicle control method based on vehicle-road coordination according to claim 2, wherein said alarm keywords include alarm location, reason, time and grade;
step S200 includes the steps of:
step S201, searching n fire-fighting stations which are nearest to the police place and provided with the special duty vehicles;
step S202, calculating the time required for the nth fire-fighting station to reach the alarm place through a simulation path; the simulated path is the shortest path and the unobstructed path between the fire-fighting station and the alarm place;
and step S203, combining the shortest path and the most unobstructed path to obtain the planned path.
4. The intelligent fire-fighting special duty vehicle control method according to claim 3, wherein said step S203 comprises:
acquiring a road section congestion parameter Pm, a straight-through traffic flow parameter Qm, a turning traffic flow parameter Tm and a road section length score Lm of each road section in all paths from the fire-fighting site to the alarm place; wherein m is a road segment label;
the congestion score Tm for the road segment m is calculated,
wherein, a is a coefficient related to the congestion length of the road section, and b and c are coefficients related to the straight traffic flow and the turning traffic flow respectively;
and calculating a path congestion score Tn and a road section length path length score Ln to obtain a comprehensive score Zn.
5. The intelligent fire-fighting special duty vehicle control method based on vehicle-road coordination according to claim 4, wherein said method for calculating a path congestion score Tn and a path length score Ln and obtaining a composite score Zn comprises:
the calculation formula of the path congestion score Tn is as follows: tn = (Tmax + Tnx/r)/2;
tmax is the congestion score of the road section with the highest congestion degree, tnx is the sum of the congestion scores of all other road sections except the road section with the highest congestion degree in the path, and r is the number of all other road sections except the road section with the highest congestion degree;
the path length score Ln is obtained through the comparison result of the path length and a preset comparison table;
wherein Zn = fTn + kLn, f > k; and selecting the path with the lowest comprehensive score Zn as the planning path.
6. The intelligent fire-fighting special duty vehicle control method according to claim 1, wherein said step S400 comprises:
s401, monitoring whether the special service vehicle is in place in real time at a road junction;
s402, if the special service vehicle is monitored to reach the designated position, the traffic light information of the next intersection is updated in real time, and the traffic light information is pushed to the special service vehicle.
7. The intelligent fire-fighting special duty vehicle control method according to claim 6, wherein said step S500 comprises:
estimating the remaining time of the special service vehicle reaching the next intersection;
and switching the corresponding traffic light information of the next intersection into a green light passing state after the residual time is reached according to the planned path.
8. The utility model provides an wisdom fire control special duty vehicle control system based on car route is in coordination which characterized in that includes:
the alarm condition acquisition module is used for acquiring fire alarm information according to the alarm information;
the road condition analysis module is used for analyzing the road condition according to the fire alarm information;
the path planning module is used for generating a planning path according to the fire alarm information and the road condition analysis result;
the attendance command platform is used for starting the special duty vehicle to attend according to the planned path;
the positioning module is used for positioning the special service vehicle;
the OBU communication module is arranged on the special duty car and used for sending a designated signal to the outside;
the road side RSU module is arranged at a road side position and used for establishing a communication data exchange relation between the corresponding designated signal and the OBU communication module;
and the traffic control module is used for adjusting a signal lamp of the next intersection of the special service vehicle.
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| CN116030635A (en) * | 2023-03-22 | 2023-04-28 | 山东工程职业技术大学 | Intelligent network communication decision module for intelligent fire engine |
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