CN112447050A - System capable of adjusting time length of traffic signal lamp according to different crowds - Google Patents
System capable of adjusting time length of traffic signal lamp according to different crowds Download PDFInfo
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- CN112447050A CN112447050A CN201910805775.9A CN201910805775A CN112447050A CN 112447050 A CN112447050 A CN 112447050A CN 201910805775 A CN201910805775 A CN 201910805775A CN 112447050 A CN112447050 A CN 112447050A
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Abstract
The invention belongs to the field of intelligent transportation, and provides a system capable of adjusting the time length of a traffic signal lamp according to different crowds aiming at the problems that the time length of the road signal lamp is inconvenient and is not suitable for different crowds to pass in the prior art, which comprises a time length control module, a time length calculation module, a storage module, a time length correction module and an acquisition module; the acquisition modules are arranged in the induction areas on two sides of the road and used for acquiring the crowd information and sending the crowd information to the duration correction module; the duration correction module is used for obtaining the adding and deleting duration information according to the crowd information and the relevant standard; the storage module is used for storing fixed standard time length information; the time length calculating module is used for calculating the current time length information suitable for the current crowd according to the standard time length information and the adding and deleting time length information; the time length control module is used for controlling the red and green flashing time length of the traffic light according to the current time length information.
Description
Technical Field
The invention belongs to the field of intelligent traffic, and particularly relates to a system capable of adjusting the time length of a traffic signal lamp according to different crowds.
Background
In order to solve the problem of urban traffic congestion, the traffic congestion cannot be relieved by improving a road network alone; what is needed is to further explore the potential of road networks and improve the current situation of traffic, especially to improve the control of traffic signals. Therefore, it is necessary to develop an efficient intelligent traffic control system. Therefore, the intelligent control of urban traffic has become one of the hot spots of research in the traffic engineering community at home and abroad at present. The intersection is a throat main road of an urban road network, is a place where people flow and vehicles are gathered, and is most prone to traffic jam, so that intelligent control of intersection signals is more urgent. The traffic capacity of the intersection is improved to the greatest extent, and a safe, smooth, efficient, low-pollution and low-energy-consumption traffic environment is necessary for economic development and people's life.
In the current traffic signal lamp, the lighting time in each time period is fixed, and the lighting time is short when the intersection is crowded in a peak time period; in off-peak time, the intersection is vacant, and the lighting time is longer. The lighting time is adjusted according to the congestion degree of the intersection, so that the situation can be effectively improved; the more common solutions today are typically manual controls. Some inventions also provide automatically controlled traffic lights, but because the control is only based on intersection traffic flow information, in increasingly congested urban traffic, the control is too simple, and road traffic resources are difficult to reasonably distribute to effectively solve the congestion problem.
In addition, the speed of the old, the infant, the blind and the disabled crossing the road is slow, and if the situation that the signal lamp is temporarily changed occurs in the process of crossing the road, the life safety of the old, the infant, the blind and the disabled can be threatened.
Disclosure of Invention
The invention provides a system capable of adjusting the time length of a traffic signal lamp according to different crowds, which is used for solving the problems that the time length of a road signal lamp is inconvenient and the road signal lamp is not suitable for different crowds to pass in the prior art.
The basic scheme of the invention is as follows: a system capable of adjusting the time length of a traffic signal lamp according to different crowds comprises a time length control module, a time length calculation module, a storage module, a time length correction module and an acquisition module;
the acquisition modules are arranged in the induction areas on two sides of the road and used for acquiring the crowd information and sending the crowd information to the duration correction module;
the duration correction module is used for obtaining the adding and deleting duration information according to the crowd information and the relevant standard;
the storage module is used for storing fixed standard time length information;
the time length calculating module is used for calculating current time length information suitable for current crowds according to the standard time length information and the adding and deleting time length information;
the time length control module is used for controlling the red and green flashing time length of the traffic light according to the current time length information.
The principle and the beneficial effects of the basic scheme are as follows: according to the scheme, the crowd information is collected through the collection module, the duration calculation module calculates the current duration information according to the adding and deleting duration information and the standard duration information corresponding to the crowd information, and then the duration control module controls the traffic light to be turned on and off according to the current duration information. Compared with the prior art, the traffic light is controlled through the vehicle flow, the scheme focuses on the characteristics of people to adjust the time length of the traffic light, embodies the idea of people-oriented, and is suitable for areas with dense people flow, such as schools, the time length of dishes and areas near city centers.
Further, the acquisition module comprises a footprint identification unit which analyzes the pace, the step distance and the step length of the human body in the induction area.
In the construction stage, a footprint acquisition belt is laid in the sensing area, and the footprint acquisition belt comprises an upper rubber layer, a middle pressure sensing layer and a lower data processing layer; when a user wears shoes to walk on the footprint collecting belt, the rubber layer covered by the footprint is driven to sink by the gravity of the human body, so that the pressure sensing layer senses the pressure; the part of the middle sensing layer sensing the pressure can be used as the projection of the footprint coverage area; according to the proportional conversion relation between the footprint coverage area (real) and the footprint coverage area projection provided by a manufacturer, the data processing layer can calculate the real area of the footprint.
(1) The height of the person with the current footprint can be judged according to the size and the length of the footprint, so that whether the person (the person with the footprint) is in the wide range or not is judged.
If the preset height is less than 1.2m and the people are the caring people, the range of the width limit is 0-1.2 m. In the above case, the data processing layer senses that the height of the person to which the footprint belongs is 1.1m, and the person belongs to the caring crowd. The acquisition module takes the number of the people in the caring crowd as the content of the crowd information and sends the content to the duration correction module.
(2) The distance between the same type of footprints is calculated to obtain the pace of the person to which the footprints belong, the pace can be calculated according to the time difference between the pace and the footprints, and the age range of the person to which the footprints belong can be judged by combining factors such as the pace, the pace and the like. If the people under the age of 14 and over the age of 60 are the caring population, the range of the broad limits is 0-14 years and over 60 years. In the above case, the data processing layer senses that the person belonging to the footprint is 12 years old, and the person belonging to the footprint is the caring crowd. The acquisition module takes the number of the people in the caring crowd as the content of the crowd information and sends the content to the duration correction module.
Furthermore, the acquisition module comprises a face recognition unit, and the face recognition unit is used for recognizing the identity of the person according to the face.
The face recognition technology has been widely adopted in various aspects of life, for example, the software payment treasured commonly used by people has completed the link of face recognition and mobile payment, and the face recognition payment is proposed to facilitate numerous people, so that the scheme is feasible by adopting the face recognition to recognize the identity of people in the induction area.
The face recognition unit comprises a camera for collecting face image information, an antenna in communication connection with an external database and an image comparison processor for comparing the face image information shot by the camera with image information in the database; wherein, the camera is installed in the induction zone for shoot induction zone crowd's face image.
In the scheme, the identity information of the crowd in the induction area can be definitely known by utilizing the face recognition technology, whether the crowd needs special care or not can be divided according to the identity information, and if the crowd needs special care, the number of the crowd needing special care is sent to the duration correction module.
Further, the acquisition module comprises a magnetic card induction unit, and the magnetic card induction unit is used for inducing a magnetic card distributed to the caring crowd.
In the scheme, the magnetic card sensing unit senses the magnetic card, and sends the number of times of sensing the magnetic card to the duration correction module as the content of the crowd information.
Furthermore, the acquisition module also comprises a gravity sensing unit for measuring the total gravity of the crowd in the sensing area. .
The gravity sensing unit receives the total weight of the crowd in the sensing area, presets a standard weight and a standard increment, and sends the multiple of the added part based on the standard increment as the content of the crowd information to the duration correction module when the total weight exceeds the standard weight.
The system further comprises a reset module, wherein the reset module is used for resetting the acquisition module in the sensing area according to the gravity sensed by the gravity sensing unit and sending the unmanned information to the duration control module; the time length control module controls the green light lighting time to be 0 according to the unmanned information.
Drawings
FIG. 1 is a block diagram of an embodiment of a system for adjusting the duration of a traffic light according to different people in accordance with the present invention;
fig. 2 is a schematic diagram of the position of the sensing area in the embodiment of the system for adjusting the time length of the traffic light according to different people according to the invention.
Detailed Description
The following is further detailed by the specific embodiments:
the embodiment is basically as shown in the attached figures 1 and 2:
as shown in fig. 2, two sensing areas, namely a sensing area a and a sensing area B, are oppositely arranged on two sides of a road where traffic lights are located, and the sensing areas a and B are oppositely arranged.
A system capable of adjusting the time length of a traffic signal lamp according to different crowds comprises a time length control module, a time length calculation module, a storage module, a time length correction module, an acquisition module and a reset module.
And the induction area A and the induction area B are respectively provided with an acquisition module for acquiring the crowd information and sending the crowd information to the duration correction module. As shown in fig. 1, the acquisition module includes a footprint identification unit, a face recognition unit, a magnetic card sensing unit, and a gravity sensing unit.
The footprint identification unit analyzes the pace, the step pitch and the step length of the human body in the induction area; in the construction stage, a footprint acquisition belt is laid in the sensing area, and the footprint acquisition belt comprises an upper rubber layer, a middle pressure sensing layer and a lower data processing layer; when a user wears shoes to walk on the footprint collecting belt, the rubber layer covered by the footprint is driven to sink by the gravity of the human body, so that the pressure sensing layer senses the pressure; the part of the middle sensing layer sensing the pressure can be used as the projection of the footprint coverage area; according to the proportional conversion relation between the footprint coverage area (real) and the footprint coverage area projection provided by a manufacturer, the data processing layer can calculate the real area of the footprint.
(1) The height of the person with the current footprint can be judged according to the size and the length of the footprint, so that whether the person (the person with the footprint) is in the wide range or not is judged.
If the preset height is less than 1.2m and the people are the caring people, the range of the width limit is 0-1.2 m. In the above case, the data processing layer senses that the height of the person to which the footprint belongs is 1.1m, and the person belongs to the caring crowd. The acquisition module takes the number of the people in the caring crowd as the content of the crowd information and sends the content to the duration correction module.
(2) The distance between the same type of foot prints is calculated to obtain the step pitch of the person belonging to the foot prints, the step speed can be calculated according to the time difference between the step pitch and the foot prints, and the age range of the person belonging to the foot prints can be judged according to Chinese patent xxxxx by combining the step pitch, the step speed and other factors. If the people under the age of 14 and over the age of 60 are the caring population, the range of the broad limits is 0-14 years and over 60 years. In the above case, the data processing layer senses that the person belonging to the footprint is 12 years old, and the person belonging to the footprint is the caring crowd. The acquisition module takes the number of the people in the caring crowd as the content of the crowd information and sends the content to the duration correction module.
The face recognition unit is used for recognizing the identity of a person according to the face; the face recognition technology has been widely adopted in various aspects of life, for example, the software payment treasured commonly used by people has completed the link of face recognition and mobile payment, and the face recognition payment is proposed to facilitate numerous people, so that the scheme is feasible by adopting the face recognition to recognize the identity of people in the induction area.
The face recognition unit comprises a camera for collecting face image information, an antenna in communication connection with an external database and an image comparison processor for comparing the face image information shot by the camera with image information in the database; the camera is arranged in the induction area and used for shooting face images of people in the induction area; the external database stores the identity information and the standard image information.
In the scheme, the identity information of the crowd in the induction area can be definitely known by utilizing the face recognition technology, whether the crowd needs special care or not can be divided according to the identity information, and if the crowd needs special care, the number of the crowd needing special care is sent to the duration correction module.
The magnetic card induction unit is used for inducing a magnetic card distributed to the caring crowd; in the implementation phase, the magnetic card is distributed to the people who need special care. The magnetic card induction unit induces the magnetic card, takes the times of inducing the magnetic card as the content of the crowd information and sends the crowd information to the duration correction module.
The gravity sensing unit receives the total weight of the crowd in the sensing area, presets a standard weight and a standard increment, and sends the multiple of the added part based on the standard increment as the content of the crowd information to the duration correction module when the total weight exceeds the standard weight. If the gravity sensing unit senses that the total gravity of the crowd is G, the preset standard weight is G, and the standard increment is k, the crowd information is the nearest integer of (G-G)/k.
The duration correction module is used for obtaining the adding and deleting duration information according to the crowd information and the relevant standard; the relevant standard is preset by the staff, the crowd information is m, and the adding and deleting duration information is (m × n) seconds.
The storage module is used for storing fixed standard time length information; the standard time length information is z seconds;
the duration calculation module is used for calculating current duration information z + (m × n) seconds suitable for the current crowd according to the standard time duration information and the adding and deleting duration information;
the time length control module is used for controlling the green light lighting time length of the traffic light to be z + (m × n) seconds according to the current time length information.
In addition, the reset module is used for sensing the gravity according to the gravity sensing unit; when the gravity sensed by the gravity sensing unit is 0, the reset module controls the acquisition modules in the sensing area where the gravity sensing unit is located to reset, and the reset module also sends unmanned information to the duration control module; as shown in fig. 2, when the reset modules in the sensing areas on both sides of the road send the unmanned information to the time length control module, the time length control module controls the turn-on time of the green light in the traffic lights between the sensing areas to be 0.
Therefore, the crowd information is collected through the collection module, the duration calculation module calculates the current duration information according to the adding and deleting duration information and the standard duration information corresponding to the crowd information, and then the duration control module controls the traffic light to be turned on and off according to the current duration information. Compared with the prior art, the traffic light is controlled through the vehicle flow, the scheme focuses on the characteristics of people to adjust the time length of the traffic light, embodies the idea of people-oriented, and is suitable for areas with dense people flow, such as schools, the time length of dishes and areas near city centers.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides a system that can be according to long according to different crowds regulation traffic signal lamp which characterized in that: the device comprises a time length control module, a time length calculation module, a storage module, a time length correction module and an acquisition module;
the acquisition modules are arranged in the induction areas on two sides of the road and used for acquiring the crowd information and sending the crowd information to the duration correction module;
the duration correction module is used for obtaining the adding and deleting duration information according to the crowd information and the relevant standard;
the storage module is used for storing fixed standard time length information;
the time length calculating module is used for calculating current time length information suitable for current crowds according to the standard time length information and the adding and deleting time length information;
the time length control module is used for controlling the red and green flashing time length of the traffic light according to the current time length information.
2. The system of claim 1, wherein the traffic signal duration is adjustable according to different people, and comprises: the acquisition module comprises a footprint identification unit which analyzes the pace, the step distance and the step length of the human body in the induction area.
3. The system of claim 1, wherein the traffic signal duration is adjustable according to different people, and comprises: the acquisition module comprises a face recognition unit, and the face recognition unit is used for recognizing the identity of a person according to the face.
4. The system of claim 1, wherein the traffic signal duration is adjustable according to different people, and comprises: the acquisition module comprises a magnetic card induction unit, and the magnetic card induction unit is used for inducing and distributing a magnetic card for caring people.
5. The system of claim 1, wherein the traffic signal duration is adjustable according to different people, and comprises: the acquisition module further comprises a gravity sensing unit for measuring the total gravity of the crowd in the sensing area.
6. The system of claim 5, wherein the traffic signal duration is adjustable according to different people, and comprises: the system also comprises a reset module, wherein the reset module is used for resetting the acquisition module in the sensing area according to the gravity sensed by the gravity sensing unit and sending the unmanned information to the duration control module; the time length control module controls the green light lighting time to be 0 according to the unmanned information.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112907300A (en) * | 2021-03-25 | 2021-06-04 | 武汉亿融信科科技有限公司 | Internet advertisement intelligent pushing management system based on cloud computing and deep learning behaviors |
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Application publication date: 20210305 |