CN-117152888-B - Highway acoustic control method, layout method, edge controller and system

CN117152888BCN 117152888 BCN117152888 BCN 117152888BCN-117152888-B

Abstract

The embodiment of the application discloses an acoustic control method, an arrangement method, an edge controller and a system for a highway. The highway acoustic control system adopts a cloud-side-end architecture, various acoustic devices and information acquisition devices are deployed along the front highway, an edge controller is deployed at the edge, and a server is deployed at a highway command center. The edge controller dynamically analyzes the information such as noise acquired by the information acquisition device through an acoustic control algorithm and an acoustic recognition algorithm, and adjusts the output volume of the acoustic device. The server can perform unified dispatching management and control on all acoustic devices in the road network through a plurality of edge controllers. By implementing the highway acoustic control method and the layout method, the edge controller can ensure that drivers and passengers can clearly and completely acquire the early warning information, avoid the acoustic equipment from being damaged due to the fact that the acoustic equipment is always played at high volume, and reduce noise pollution to residential areas.

Inventors

ZHANG YI
JIANG WENHAN
LIU BO
YU FENG
KONG ZHENZHEN
CHEN YAN
FAN XIANGYU
LIU HUI
XU GUOFENG
Zhou rongcheng
Chen Shawen

Assignees

浙江高信技术股份有限公司

Dates

Publication Date: 20260512
Application Date: 20230918

Claims (8)

1. A highway acoustic control method, characterized by being applied to an edge controller, the edge controller being communicatively connected to a plurality of acoustic devices, the plurality of acoustic devices being arranged along the highway, the method comprising: Determining road condition information according to the environmental information of the expressway, wherein the environmental information comprises environmental sound information, and the road condition information comprises abnormal event information and traffic flow information; determining a plurality of early warning information according to the road condition information, wherein each early warning information corresponds to one acoustic device, and the plurality of early warning information is used for early warning vehicles on the expressway; Determining a first target road section which is required to be covered by corresponding acoustic equipment according to the content of each early warning message and the traffic flow message, so that the acoustic equipment can completely play the early warning message during the period that the vehicle passes through any first target road section, determining the play time of each early warning message according to the content of each early warning message, determining the traffic flow speed on the expressway according to the traffic flow message, determining the length of each first target road section, wherein the length is equal to the preset multiple of the product of the corresponding play time and the traffic flow speed; Determining a playing volume of the corresponding acoustic device according to the environment sound information and each first target road section so that the vehicle in each first target road section can receive the corresponding early warning information, determining the corresponding environment sound volume of each acoustic device according to the environment sound information, determining a first volume corresponding to each environment sound volume according to a preset rule, wherein the first volume is higher than the environment sound volume by a preset volume value so that the vehicle can receive the corresponding early warning information with the first volume, and determining the corresponding playing volume according to the first volume and the length of the corresponding first target road section so that the volume at the tail end of the first target road section far away from the corresponding acoustic device is equal to the first volume when the corresponding acoustic device plays at the playing volume; And controlling each acoustic device to repeatedly play the corresponding early warning information at the corresponding play volume.
2. The highway acoustic control method according to claim 1 wherein said highway has a residential area along the line; the method comprises the following steps: Determining a volume threshold corresponding to each acoustic device according to the positions of the residential area and the plurality of acoustic devices, so that the volume of the early warning information received by the residential area is smaller than a preset volume; When the playing volume is larger than the corresponding volume threshold, determining the volume of the environmental sound corresponding to each acoustic device according to the environmental sound information, and determining a corresponding second target road section according to the volume threshold and the volume of the environmental sound; According to the second target road section and the traffic flow information, the corresponding early warning information is adjusted, so that the acoustic equipment can completely play the adjusted early warning information during the period that the vehicle passes through any second target road section; And controlling the corresponding acoustic equipment to repeatedly play the adjusted early warning information according to the volume threshold.
3. The highway acoustic control method according to claim 2, wherein, The adjusting the corresponding early warning information comprises the following steps: and reducing the content of the early warning information and accelerating at least one of the playing speeds of the early warning information.
4. A highway acoustic control method according to any one of claims 1 to 3 wherein said edge controller is also in communication with a plurality of information gathering devices arranged along said highway; the method comprises the following steps: Receiving the environment information uploaded by the information acquisition devices; And judging the fault state of the corresponding acoustic equipment according to the early warning information acquired by the information acquisition equipment.
5. An edge controller comprising a processor and a memory in communication with each other, said processor being adapted to retrieve a computer program from said memory and to implement the method according to any of claims 1-4 by running said computer program.
6. An acoustic device deployment method for an expressway acoustic control system, applied to an edge controller, comprising: Determining a plurality of early warning information according to the historical road condition information of the expressway, wherein the historical road condition information comprises historical abnormal event information and historical traffic flow information, and each early warning information is played by the corresponding acoustic equipment to early warn vehicles on a road section corresponding to the expressway; determining a plurality of layout positions according to each early warning information and the corresponding road section, wherein each layout position is used for laying the corresponding acoustic equipment; determining a first target road section which is required to be covered by the corresponding acoustic equipment according to the early warning information and the historical traffic flow information corresponding to each layout position, so that the acoustic equipment can completely play the early warning information during the period that the vehicle passes through any first target road section, determining the play time length of each early warning information according to the content of each early warning information, determining the historical traffic flow speed on the expressway according to the historical traffic flow information, and determining the length of each first target road section, wherein the length is equal to the preset multiple of the product of the corresponding play time length and the historical traffic flow speed; Determining a first sound volume corresponding to each of the acoustic devices according to a preset rule, wherein the first sound volume corresponding to each of the historical environmental sound volumes is higher than the historical environmental sound volume by a preset sound volume value so that the vehicle can receive the corresponding early warning information with the first sound volume, and determining the corresponding target sound volume according to the length of each of the first sound volumes and the corresponding first target road section so that the corresponding sound volume at the tail end of the first target road section far away from the corresponding acoustic device is equal to the first sound volume when the corresponding acoustic device is played with the target sound volume; and determining the upper limit of the volume output of the acoustic equipment corresponding to the target volume according to a preset rule.
7. The acoustic equipment layout method for an acoustic control system for a highway according to claim 6, wherein said highway has a residential area along the line; the method comprises the following steps: Determining a coverage angle of the acoustic equipment according to the plurality of layout positions and the position of the residential area: When the layout position and the residential area are smaller than a preset distance, determining that a coverage angle of the acoustic equipment is a first angle, wherein the first angle is 15 degrees; And when the arrangement position is greater than or equal to a preset distance from the residential area, determining that the coverage angle of the acoustic equipment is a second angle, wherein the second angle is greater than the first angle.
8. A highway acoustic control system, the system comprising: a server; a plurality of edge controllers as recited in claim 5, communicatively coupled to said server; A plurality of acoustic devices arranged in accordance with the method of claim 6 or 7, in communication with the edge controller; and the information acquisition devices are in communication connection with the edge controller and are used for acquiring the environment sound information of the expressway and transmitting the environment sound information to the edge controller.

Description

Highway acoustic control method, layout method, edge controller and system Technical Field The application relates to the field of highway safety management, in particular to an acoustic control method, an arrangement method, an edge controller and a system for a highway. Background The vehicles on the expressway have high running speed, and the casualties rate of the people after accidents are high. Particularly, in the secondary accident which takes the primary accident as the cause, the situation that the high-speed running vehicle collides with the static vehicle and personnel often occurs, and the damage and the personal and property loss are more serious. At present, a camera is often adopted to shoot a vehicle on a highway, and early warning or control measures are generated when dangerous states are identified, so that the vehicle is reminded of safety through broadcasting, screen display, lamplight warning and other modes. However, when the conventional broadcasting is applied to a highway, the problems of poor warning effect, interference to surrounding residents and the like exist, and the problems of the response of drivers and passengers are that the broadcasting volume is too small, the broadcasting content cannot be heard, or the broadcasting volume is too large, so that the hearing is uncomfortable, or the broadcasting content cannot be completely known. In addition, the broadcasting is vulnerable, so that the content cannot be played, the expressway mileage is long, and in the maintenance process, the damaged broadcasting is difficult to accurately identify and locate. Disclosure of Invention The invention mainly aims to provide an acoustic control method, an acoustic layout method, an edge controller and an acoustic layout system for a highway, and aims to solve the problems in the prior art. In order to achieve the above object, the present invention provides an acoustic control method for a highway, which is characterized in that the method is applied to an edge controller, the edge controller is communicatively connected with a plurality of acoustic devices, the plurality of acoustic devices are arranged along the highway, and the method includes: Determining road condition information according to the environmental information of the expressway, wherein the environmental information comprises environmental sound information, and the road condition information comprises abnormal event information and traffic flow information; determining a plurality of early warning information according to the road condition information, wherein each early warning information corresponds to one acoustic device, and the plurality of early warning information is used for early warning vehicles on the expressway; according to the content of each early warning message and the traffic flow message, determining a first target road section which is required to be covered by the corresponding acoustic device, so that the acoustic device can completely play the early warning message during the period that the vehicle passes through any first target road section; According to the environmental sound information and each first target road section, determining the playing volume of the corresponding acoustic equipment so that the vehicle in each first target road section can receive the corresponding early warning information; And controlling each acoustic device to repeatedly play the corresponding early warning information at the corresponding play volume. In some embodiments, the determining, according to the content of each of the early warning information and the traffic flow information, a first target road section that the corresponding acoustic device needs to cover, so that during the period when the vehicle passes through any of the first target road sections, the acoustic device can completely play the early warning information includes: Determining the playing time length of each piece of early warning information according to the content of each piece of early warning information; determining the traffic flow speed on the expressway according to the traffic flow information; And determining the length of each first target road section, wherein the length is equal to a preset multiple of the product of the corresponding playing duration and the corresponding traffic flow speed. In some embodiments, the method comprises: determining the volume of the environmental sound corresponding to each acoustic device according to the environmental sound information; According to a preset rule, determining a first volume corresponding to each environmental sound volume, wherein the first volume is higher than the environmental sound volume by a preset volume value, so that the vehicle can receive the corresponding early warning information with the first volume; And determining the corresponding playing volume according to the first volume and the length of the corresponding first target road section, so that when