CN113071449A - Vehicle wiper control system and method thereof - Google Patents
Vehicle wiper control system and method thereof Download PDFInfo
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- CN113071449A CN113071449A CN202110344604.8A CN202110344604A CN113071449A CN 113071449 A CN113071449 A CN 113071449A CN 202110344604 A CN202110344604 A CN 202110344604A CN 113071449 A CN113071449 A CN 113071449A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
- B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
- B60S1/0833—Optical rain sensor
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- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The invention discloses a vehicle wiper control system and a method thereof in order to solve the problems of cost consumption and safe operation of an unmanned vehicle, wherein the vehicle wiper control system comprises: the field end rain and snow sensor is configured to acquire current rain and snow information of a target scene and upload the current rain and snow information to the cloud server; the cloud server is configured to update the locally stored rain and snow amount information corresponding to the field-end rain and snow amount sensor based on the current rain and snow amount information; the unmanned vehicle is configured to obtain current rain and snow information of the field-end rain and snow sensor from the cloud server, and controls the opening or closing of a windscreen wiper of the unmanned vehicle based on the current rain and snow information of the field-end rain and snow sensor, so that the unmanned vehicle is not required to be provided with the rain and snow sensor independently on the unmanned container truck, all-weather safe operation of the unmanned vehicle of a non-passenger type is guaranteed, and cost consumption is reduced.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to a vehicle wiper control system and a vehicle wiper control method.
Background
Currently, wiper adjustment of most unmanned vehicles of the non-passenger type, such as unmanned container trucks, i.e., unmanned trucks, is generally controlled by manual adjustment. When a non-passenger unmanned vehicle operates in a rainy and snowy area, if the wiper function of the non-passenger unmanned vehicle is not started in time, the windshield of the non-passenger unmanned vehicle is shielded by rainwater or snow, so that the sensing system of the non-passenger unmanned vehicle cannot obtain environmental information of the environment where the vehicle is located, and the operation safety of the non-passenger unmanned vehicle is further damaged.
In order to solve the above problem, if RLS (Rain Light Sensor) is installed in each non-passenger unmanned vehicle, the RLS is expensive, which may increase additional installation cost and maintenance cost of the non-passenger unmanned vehicle to some extent. Therefore, it is very important to provide a vehicle wiper control system that reduces the corresponding cost consumption while ensuring the safe operation requirement of the unmanned vehicle of the non-passenger class.
Disclosure of Invention
The invention provides a vehicle wiper control system and a method thereof, which aim to reduce corresponding cost consumption on the basis of ensuring the safe operation requirement of a non-passenger unmanned vehicle. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present invention provides a vehicle wiper control system, including: the system comprises a field end rain and snow sensor, a cloud server and an unmanned vehicle provided with a wiper; the field end rain and snow sensor is arranged at an appointed position of a target scene, and the unmanned vehicle runs in the target scene;
the field end rain and snow quantity sensor is configured to collect current rain and snow quantity information of the target scene and upload the information to the cloud server;
the cloud server is configured to update locally stored rain and snow amount information corresponding to the field-end rain and snow amount sensor based on the current rain and snow amount information of the field-end rain and snow amount sensor;
the unmanned vehicle is configured to obtain current rain and snow amount information of the field end rain and snow amount sensor from the cloud server, and control the opening or closing of a windscreen wiper of the unmanned vehicle based on the current rain and snow amount information of the field end rain and snow amount sensor.
Optionally, the unmanned vehicle is specifically configured to determine whether the current rain and snow amount information is not less than a first rain and snow amount threshold value after obtaining the current rain and snow amount information of the field-side rain and snow amount sensor from the cloud server; and if the current rain and snow amount information is judged to be not less than the first rain and snow amount threshold value, controlling the windscreen wiper to be started.
Optionally, the unmanned vehicle is further specifically configured to control the wiper to close if it is determined that the current rain and snow amount information is smaller than a first rain and snow amount threshold.
Optionally, the unmanned vehicle comprises a vehicle control subsystem and a wiper control subsystem; the vehicle control subsystem is configured to obtain current rain and snow amount information of the field end rain and snow amount sensor from the cloud server and determine wiper control information based on the current rain and snow amount information of the field end rain and snow amount sensor; the control information of the windscreen wiper comprises control windscreen wiper starting information or closing information and windscreen wiper scraping speed information;
the wiper control subsystem is configured to control opening or closing of respective wipers of the unmanned vehicle based on the wiper control information.
Optionally, in the step of determining wiper control information based on the current rain and snow amount information of the field-end rain and snow amount sensor, the vehicle control subsystem is specifically configured to:
judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value;
if the current rain and snow amount information is judged to be not smaller than a first rain and snow amount threshold value, judging whether the current rain and snow amount information is not smaller than a second rain and snow amount threshold value, wherein the second rain and snow amount threshold value is larger than the first rain and snow amount threshold value;
if the current rain and snow amount information is larger than the first rain and snow amount threshold value and smaller than the second rain and snow amount threshold value, determining to include wiper control information for controlling wiping at a first speed;
if the current rain and snow amount information is not less than the second rain and snow amount threshold, judging whether the current rain and snow amount information is not less than a third rain and snow amount threshold, wherein the third rain and snow amount threshold is greater than the second rain and snow amount threshold;
if the current rain and snow amount information is larger than the second rain and snow amount threshold and smaller than the third rain and snow amount threshold, determining to include wiper control information for controlling a wiper to be blown at a second speed, wherein the second speed is larger than the first speed;
and if the current rain and snow amount information is not less than the third rain and snow amount threshold, determining to include wiper control information for controlling the wiper to move at a third speed, wherein the third speed is greater than the second speed.
Optionally, the field end rain and snow amount sensor is specifically configured to collect and detect a size of raindrops in the target scene or a size of snow water corresponding to snow; and determining current rainfall information based on the detected raindrop size or snow water size corresponding to snow so as to obtain the current rainfall information.
Optionally, the unmanned vehicle is further configured to subscribe to a rain and snow information service from the cloud server to obtain current rain and snow information of a field-side rain and snow sensor from the cloud server.
Optionally, the unmanned vehicle is further configured to send status information of a wiper of the unmanned vehicle to the cloud server, where the status information includes an on state or an off state, and wiper scraping speed information;
the cloud server is further configured to store state information of a wiper of the unmanned vehicle corresponding to the identification information of the unmanned vehicle.
In a second aspect, an embodiment of the present invention provides a vehicle wiper control method, which is applied to an unmanned vehicle of a vehicle wiper control system, where the vehicle wiper control system further includes a field-end rain and snow sensor and a cloud server, where the field-end rain and snow sensor acquires current rain and snow information of a target scene and uploads the current rain and snow information to the cloud server; the cloud server updates the locally stored rain and snow amount information corresponding to the field end rain and snow amount sensor based on the current rain and snow amount information of the field end rain and snow amount sensor; the method comprises the following steps:
obtaining current rain and snow amount information of the field end rain and snow amount sensor from the cloud server;
and controlling the opening or closing of the windscreen wiper of the field end rain and snow sensor based on the current rain and snow information of the field end rain and snow sensor.
Optionally, the step of controlling the opening or closing of the wiper based on the current rain and snow amount information of the field end rain and snow amount sensor includes:
after obtaining the current rain and snow amount information of the field end rain and snow amount sensor from the cloud server, judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value;
and if the current rain and snow amount information is judged to be not less than the first rain and snow amount threshold value, controlling the windscreen wiper to be started.
Optionally, the method further includes:
and if the current rain and snow amount information is judged to be smaller than a first rain and snow amount threshold value, controlling the wiper to close.
Optionally, the step of controlling the opening or closing of the wiper based on the current rain and snow amount information of the field end rain and snow amount sensor includes:
acquiring current rain and snow amount information of the field end rain and snow amount sensor from the cloud server by using a vehicle control subsystem, and determining wiper control information based on the current rain and snow amount information of the field end rain and snow amount sensor; the control information of the windscreen wiper comprises control windscreen wiper starting information or closing information and windscreen wiper scraping speed information;
and controlling the opening or closing of the corresponding windscreen wiper of the unmanned vehicle and the windscreen wiper scraping speed of the windscreen wiper when the windscreen wiper is opened by utilizing the windscreen wiper control subsystem based on the windscreen wiper control information.
Optionally, the step of obtaining, by the vehicle control subsystem, current rain and snow amount information of the field-side rain and snow amount sensor from the cloud server, and determining wiper control information based on the current rain and snow amount information of the field-side rain and snow amount sensor includes:
judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value by using a vehicle control subsystem;
if the current rain and snow amount information is judged to be not smaller than a first rain and snow amount threshold value, judging whether the current rain and snow amount information is not smaller than a second rain and snow amount threshold value, wherein the second rain and snow amount threshold value is larger than the first rain and snow amount threshold value;
if the current rain and snow amount information is larger than the first rain and snow amount threshold value and smaller than the second rain and snow amount threshold value, determining to include wiper control information for controlling wiping at a first speed;
if the current rain and snow amount information is not less than the second rain and snow amount threshold, judging whether the current rain and snow amount information is not less than a third rain and snow amount threshold, wherein the third rain and snow amount threshold is greater than the second rain and snow amount threshold;
if the current rain and snow amount information is larger than the second rain and snow amount threshold and smaller than the third rain and snow amount threshold, determining to include wiper control information for controlling a wiper to be blown at a second speed, wherein the second speed is larger than the first speed;
and if the current rain and snow amount information is not less than the third rain and snow amount threshold, determining to include wiper control information for controlling the wiper to move at a third speed, wherein the third speed is greater than the second speed.
Optionally, the step of obtaining the current rain and snow information of the field-end rain and snow sensor from the cloud server includes:
collecting and detecting raindrop size of the target scene or snow water size corresponding to snow;
and determining current rainfall information based on the detected raindrop size or snow water size corresponding to snow so as to obtain the current rainfall information.
Optionally, the method further includes:
and subscribing rain and snow information service to the cloud server so as to have the function of obtaining the current rain and snow information of the field rain and snow sensor from the cloud server.
Optionally, the method further includes:
and sending the state information of the windscreen wiper to the cloud server so that the cloud server stores the state information of the windscreen wiper of the unmanned vehicle corresponding to the identification information of the unmanned vehicle, wherein the state information comprises an opening state or a closing state.
As can be seen from the above, the present invention provides a vehicle wiper control system and a method thereof, wherein the vehicle wiper control system includes: the system comprises a field end rain and snow sensor, a cloud server and an unmanned vehicle provided with a wiper; the field end rain and snow sensor is arranged at the designated position of the target scene, and the unmanned vehicle runs in the target scene; the field end rain and snow sensor is configured to acquire current rain and snow information of a target scene and upload the current rain and snow information to the cloud server; the cloud server is configured to update the locally stored rain and snow amount information corresponding to the field-end rain and snow amount sensor based on the current rain and snow amount information of the field-end rain and snow amount sensor; the unmanned vehicle is configured to obtain current rain and snow amount information of the field-end rain and snow amount sensor from the cloud server and control the opening or closing of a windscreen wiper of the unmanned vehicle based on the current rain and snow amount information of the field-end rain and snow amount sensor.
By applying the embodiment of the invention, the current rain and snow information of the target scene can be acquired by utilizing the limited field end rain and snow sensors arranged in the target scene and uploaded to the cloud server, and then the unmanned vehicles control the opening or closing of the windscreen wipers based on the current rain and snow information acquired from the cloud server, and the unmanned vehicles such as the unmanned container trucks do not need to be provided with the rain and snow sensors independently, so that the corresponding cost consumption is reduced on the basis of ensuring the safe operation requirements of the vehicles. And the working capacity of the unmanned vehicle in rainy and snowy weather can be effectively improved, and the working efficiency is improved. Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.
The innovation points of the embodiment of the invention comprise:
1. can utilize the current sleet volume information that sets up in the limited site end sleet volume sensor acquisition target scene of target scene to upload to the high in the clouds server, and then, unmanned vehicle is based on obtaining current sleet volume information from the high in the clouds server, controls opening or closing of its windscreen wiper, need not each unmanned vehicle like set up sleet volume sensor alone on unmanned container truck alone, realize on the basis of guaranteeing vehicle safety operation demand, reduce corresponding cost consumption. And the working capacity of the unmanned vehicle in rainy and snowy weather can be effectively improved, and the working efficiency is improved.
2. Different rain and snow amount thresholds are set, the wiping frequency of the wiper is determined based on the actual rain and snow amount information and the rain and snow amount thresholds, and efficient clearing of the sheltering object on the windshield is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are merely exemplary of some embodiments of the invention. For a person skilled in the art, without inventive effort, further figures can be obtained from these figures.
Fig. 1 is a schematic structural diagram of a wiper control system for a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic view of information interaction between devices in a vehicle wiper control system according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a method for controlling a wiper of a vehicle according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
It is to be noted that the terms "comprises" and "comprising" and any variations thereof in the embodiments and drawings of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The invention provides a vehicle wiper control system and a method thereof, which aim to reduce corresponding cost consumption on the basis of ensuring the safe operation requirement of a non-passenger unmanned vehicle. The following provides a detailed description of embodiments of the invention.
Fig. 1 is a schematic structural diagram of a wiper control system of a vehicle according to an embodiment of the present invention. The vehicle wiper control system includes: a field-side rain and snow sensor 110, a cloud server 120 and a wiper-mounted unmanned vehicle 130; the field-end rain and snow sensor 110 is arranged at a designated position of a target scene, and the unmanned vehicle 130 runs in the target scene;
the field-side rain and snow sensor 110 is configured to collect current rain and snow information of the target scene and upload the current rain and snow information to the cloud server 120;
the cloud server 120 is configured to update the locally stored rain and snow amount information corresponding to the field-end rain and snow amount sensor 110 based on the current rain and snow amount information of the field-end rain and snow amount sensor 110;
the unmanned vehicle 130 is configured to obtain current rain and snow amount information of the field-side rain and snow amount sensor 110 from the cloud server 120, and control the opening or closing of the windscreen wiper thereof based on the current rain and snow amount information of the field-side rain and snow amount sensor 110.
The target scene may be any scene. In one case, the unmanned vehicle 130 may be a non-passenger unmanned vehicle, such as an unmanned container truck or unmanned truck for short, and the target scenario may be an unmanned truck operation scenario. The unmanned vehicle 130 may be at least one.
In the embodiment of the present invention, one or more rain and snow sensors may be disposed in the target scene according to an actual situation, which is referred to as a field-end rain and snow sensor in the embodiment of the present invention, the field-end rain and snow sensors 110 may be uniformly or non-uniformly distributed in the target scene, and the field-end rain and snow sensor 110 may sense rain and snow information of an environment where the field-end rain and snow sensor is located, that is, rain information or snow information in the environment. In one case, the field-end rain and snow sensor 110 may be: the Rainfall Light Sensor (RLS) can sense the Light intensity information of the environment where the rainfall Light Sensor is located, and can also sense the rainfall and snow amount information of the environment where the rainfall Light Sensor is located.
The field-side rain and snow sensor 110 arranged in the target scene can communicate with the cloud server 120, that is, the field-side rain and snow sensor 110 can collect rain and snow information of the environment where the field-side rain and snow sensor is located in real time and upload the collected rain and snow information to the cloud server 120. The cloud server 120 stores the rain and snow amount information collected by the field-side rain and snow amount sensor, corresponding to the identification information of the field-side rain and snow amount sensor 110. Accordingly, as shown in FIG. 2. The cloud server 120 updates the locally stored rain and snow amount information corresponding to the field-end rain and snow amount sensor 110 based on the current rain and snow amount information of the field-end rain and snow amount sensor 110, so that the cloud server can store the latest rain and snow amount information acquired by the field-end rain and snow amount sensor for the target scene. The identification information of the field-end rain and snow sensor 110 may include, but is not limited to: the serial number, the label and the setting position information of the field end rain and snow sensor can uniquely identify the information of the field end rain and snow sensor.
In the embodiment of the present invention, the rain and snow amount information of the environment where the rain and snow amount sensor 110 is located, which is collected latest at the site end, is referred to as current rain and snow amount information.
In one implementation, the process of updating the rain and snow amount information corresponding to the field end rain and snow amount sensor 110 stored locally by the cloud server 120 based on the current rain and snow amount information of the field end rain and snow amount sensor 110 may be: the current rain and snow amount information of the field-side rain and snow amount sensor 110 is added to the locally stored rain and snow amount information corresponding to the field-side rain and snow amount sensor 110, and is used as the latest rain and snow amount information corresponding to the locally stored field-side rain and snow amount sensor 110. Moreover, the cloud server 120 may update the rain and snow amount information of the field-side rain and snow amount sensor obtained before to historical rain and snow amount information, so that the worker can subsequently check and execute corresponding tasks based on the rain and snow amount information of each field-side rain and snow amount sensor 110, for example: and checking whether the rain and snow quantity sensor at the field end has a fault or not.
The unmanned vehicle can subscribe the rain and snow amount information obtaining service, obtain the current rain and snow amount information of the field-end rain and snow amount sensor 110 from the cloud server 120 in real time, and then control the opening or closing of the windscreen wipers of the unmanned vehicle based on the current rain and snow amount information of the field-end rain and snow amount sensor. In another case, the cloud server 120 may directly publish the updated latest rain and snow information of the field-side rain and snow sensor, that is, the current rain and snow information of the field-side rain and snow sensor, to the unmanned vehicle subscribed with the rain and snow information obtaining service after updating the locally stored rain and snow information of the field-side rain and snow sensor. As shown in fig. 2.
By applying the embodiment of the invention, the current rain and snow information of the target scene can be acquired by utilizing the limited field end rain and snow sensors arranged in the target scene and uploaded to the cloud server, and then the unmanned vehicles control the opening or closing of the windscreen wipers based on the current rain and snow information acquired from the cloud server, and the unmanned vehicles such as the unmanned container trucks do not need to be provided with the rain and snow sensors independently, so that the corresponding cost consumption is reduced on the basis of ensuring the safe operation requirements of the vehicles. And the working capacity of the unmanned vehicle in rainy and snowy weather can be effectively improved, and the working efficiency is improved.
In addition, the embodiment of the invention can be compatible with the refitting of the current unmanned vehicle such as an unmanned card collector, namely, the unmanned vehicle only has a networking function, and the wiper control is carried out by using the existing controller of the current unmanned vehicle without excessive refitting work.
In another embodiment of the present invention, the unmanned vehicle 130 is specifically configured to determine whether the current rain and snow amount information is not less than the first rain and snow amount threshold after obtaining the current rain and snow amount information of the field-side rain and snow amount sensor 110 from the cloud server 120; and if the current rain and snow amount information is judged to be not less than the first rain and snow amount threshold value, controlling the windscreen wiper to be started.
The first rain and snow amount threshold value, and the second rain and snow amount threshold value and the third rain and snow amount threshold value mentioned later may be values that are preset based on actual work requirements of the unmanned vehicle.
In one case, there may be one field-end rain and snow sensor 110 set in the target scene, and accordingly, after the unmanned vehicle 130 obtains the current rain and snow information of the field-end rain and snow sensor 110 from the cloud server 120, the current rain and snow information is directly compared with the first rain and snow threshold value, and whether the current rain and snow information is not less than the first rain and snow threshold value is determined; if the current rain and snow amount information is judged to be not less than the first rain and snow amount threshold value, the windscreen wiper of the unmanned vehicle 130 is controlled to be opened, namely, the windscreen wiper is controlled to be blown. Correspondingly, if the current rain and snow amount information is judged to be smaller than the first rain and snow amount threshold value, the unmanned vehicle 130 controls the wiper of the unmanned vehicle 130 to close, namely, the wiper is controlled to be static.
In another case, there may be a plurality of field-end rain and snow sensors 110 arranged in the target scene, and in one implementation, after the unmanned vehicle 130 obtains the current rain and snow information of the field-end rain and snow sensors 110 from the cloud server 120, if at least one rain and snow information not less than the first rain and snow threshold exists in the obtained current rain and snow information, the wiper of the unmanned vehicle 130 is controlled to be opened; and if the obtained current rain and snow amount information is smaller than the first rain and snow amount threshold value, controlling the wiper of the unmanned vehicle 130 to close.
In another embodiment of the present invention, there are a plurality of field-side rain and snow sensors 110, and for the sake of more accuracy and environmental protection, the cloud server 120 is further configured to record the setting position information corresponding to each field-side rain and snow sensor 110; accordingly, the unmanned vehicle 130 is specifically configured to obtain the current rain and snow amount information of the field-side rain and snow amount sensor 110 and the setting position information thereof from the cloud server 120; determining a field end rain and snow sensor 110 which is closest to the unmanned vehicle 130 as a target field end rain and snow sensor based on the self positioning position information of the unmanned vehicle 130 and the setting position information of each field end rain and snow sensor 110; and determines the current rain and snow amount information of the target site rain and snow amount sensor 110, and controls the opening or closing of the wiper thereof based on the current rain and snow amount information of the target site rain and snow amount sensor.
In another embodiment of the present invention, the unmanned vehicle 130 includes a vehicle control subsystem and a wiper control subsystem; a vehicle control subsystem configured to obtain current rain and snow information of the field-side rain and snow sensor 110 from the cloud server 120, and determine wiper control information based on the current rain and snow information of the field-side rain and snow sensor 110; and sending the information to a wiper control subsystem, wherein the wiper control information comprises control wiper starting information or closing information;
a wiper control subsystem configured to control the opening or closing of respective wipers of the unmanned vehicle 130 based on the wiper control information.
The unmanned vehicle 130 includes: the vehicle control subsystem and the wiper control subsystem; the vehicle control subsystem is used for interacting with the cloud server to obtain current rain and snow amount information of the field end rain and snow amount sensor 110, determining wiper control information based on the current rain and snow amount information of the field end rain and snow amount sensor 110, and sending the wiper control information to the wiper control subsystem used for controlling the opening and closing of a wiper of the unmanned vehicle, and after the wiper control subsystem obtains the wiper control information, controlling the opening or closing of the corresponding wiper of the unmanned vehicle based on the wiper control information.
The wiper control information comprises information for controlling the opening or closing of the wiper and information of the wiping speed of the wiper.
In one implementation mode, in order to reduce the computing resources of the unmanned vehicle to a certain extent, if the vehicle control subsystem judges that the current rain and snow amount information is not less than the first rain and snow amount threshold value, whether a wiper of the unmanned vehicle is in an open state or not can be continuously judged, and if the wiper of the unmanned vehicle is judged to be in the open state, wiper control information is not sent to the wiper control subsystem; and if the windscreen wiper of the unmanned vehicle is judged to be in a closed state, windscreen wiper control information containing instructions for controlling the windscreen wiper to be opened is sent to the windscreen wiper control subsystem. If the vehicle control subsystem judges that the current rain and snow amount information is smaller than a first rain and snow amount threshold value, whether a windscreen wiper of the unmanned vehicle is in an open state or not can be continuously judged, and if the windscreen wiper of the unmanned vehicle is judged to be in the open state, windscreen wiper control information containing instructions for controlling the windscreen wiper to be closed is sent to the windscreen wiper control subsystem; and if the windscreen wiper of the unmanned vehicle is judged to be in a closed state, the windscreen wiper control information is not sent to the windscreen wiper control subsystem.
The weather condition of the target scene is considered to be various, the rainfall amount and/or the snowfall amount are more and less, the view of the windshield is clear in order to clean rainwater or snow in time, the vehicle sensing system can sense environmental information in time, and normal operation of the unmanned vehicle is guaranteed. In the implementation mode, different wiper scraping speeds are set, and the wiper scraping speed is related to the current rain and snow amount information in the target scene, wherein the larger the current rain and snow amount information represents the current rain amount or snow amount of the target scene, the larger the wiper scraping speed is; on the contrary, the smaller the current rainfall or snow quantity of the target scene represented by the current rainfall or snow quantity information is, the smaller the scraping speed of the windscreen wiper is correspondingly.
Specifically, in another embodiment of the present invention, the vehicle control subsystem is specifically configured to, in the step of determining the wiper control information based on the current rain and snow amount information of the field-side rain and snow amount sensor:
judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value;
if the current rain and snow amount information is judged to be not smaller than the first rain and snow amount threshold value, judging whether the current rain and snow amount information is not smaller than a second rain and snow amount threshold value, wherein the second rain and snow amount threshold value is larger than the first rain and snow amount threshold value;
if the current rain and snow amount information is larger than a first rain and snow amount threshold value and smaller than a second rain and snow amount threshold value, determining to contain wiper control information for controlling a wiper to be blown at a first speed;
if the current rain and snow amount information is not less than the second rain and snow amount threshold value, judging whether the current rain and snow amount information is not less than a third rain and snow amount threshold value, wherein the third rain and snow amount threshold value is greater than the second rain and snow amount threshold value;
if the current rain and snow amount information is larger than a second rain and snow amount threshold and smaller than a third rain and snow amount threshold, determining to include wiper control information for controlling a wiper to be blown at a second speed, wherein the second speed is larger than the first speed;
and if the current rain and snow amount information is not less than a third rain and snow amount threshold value, determining to include wiper control information for controlling the wiper to move at a third speed, wherein the third speed is greater than the second speed.
Wherein, the windscreen wiper can think windscreen wiper intermittent type nature is scraped with first speed, and the windscreen wiper can think windscreen wiper low-speed is scraped with first speed, and the windscreen wiper can think the windscreen wiper high-speed is scraped with third speed.
In another embodiment of the present invention, the field-end rain and snow sensor 110 is specifically configured to collect and detect the size of raindrops or the size of snow water corresponding to snow in a target scene; and determining current rainfall information based on the detected raindrop size or snow water size corresponding to snow so as to obtain the current rainfall information.
In this implementation, the field-end rain and snow sensor 110 can collect and detect the size of raindrops or the size of snow water in snow-formed snow water in a target scene in real time, and further calculate the corresponding rain or snow level, i.e., the rain and snow information, to obtain the current rain and snow information.
The field-end rain and snow sensor 110 emits light through the light emitting unit, and the light is adjusted through the lens system of the field-end rain and snow sensor 110 to form parallel light to irradiate the glass surface corresponding to the field-end rain and snow sensor 110; if the glass surface corresponding to the field end rain and snow sensor 110 has rain water or snow water, because the refractive index of the glass surface changes, the light emitted by the field end rain and snow sensor 110 through the light emitting unit irradiates the glass surface corresponding to the field end rain and snow sensor 110, and cannot be totally reflected, but is partially reflected based on the area of the rain water or the snow water on the glass surface, and the receiving unit of the corresponding field end rain and snow sensor 110 receives the light partially reflected, so that the reflectivity can be determined based on the light partially reflected, and then the size of the rain water or the snow water, namely the size of raindrops or the size of the snow water corresponding to snow, is determined.
In another embodiment of the present invention, the unmanned vehicle 130 is further configured to subscribe to the rain and snow information service from the cloud server 120, so as to have a function of obtaining current rain and snow information of the field-side rain and snow sensor from the cloud server 120.
In this implementation, before the unmanned vehicle 130 obtains the current rain and snow information from the cloud server 120, the unmanned vehicle 130 needs to subscribe the rain and snow information service to the cloud server 120, specifically, may be: the unmanned vehicle 130 sends a subscription request to the cloud server 120, and the cloud server records vehicle identification information of the unmanned vehicle, so that the unmanned vehicle 130 has a function of obtaining current rain and snow amount information of the field-side rain and snow amount sensor 110 from the cloud server 120.
An implementation is that, when there is a need for obtaining rain and snow information, an obtaining request for obtaining the rain and snow information is sent to a cloud server 120 by an unmanned vehicle 130, the cloud server 120 verifies whether the unmanned vehicle 130 subscribes to a rain and snow information service based on vehicle identification information of the unmanned vehicle 130 sending the obtaining request, and if it is determined that the vehicle identification information stored locally contains the vehicle identification information of the unmanned vehicle 130 sending the obtaining request, it is determined that the unmanned vehicle 130 subscribes to the rain and snow information service, and current rain and snow information collected by a field-side rain and snow sensor in a target scene is sent to the unmanned vehicle 130, so as to reduce the delay of obtaining current latest rain and snow information by the unmanned vehicle 130.
In another implementation, after the unmanned vehicle 130 subscribes the rain and snow information service to the cloud server 120, the cloud server 120 may issue the updated current rain and snow information of the field-end rain and snow sensor to each of the unmanned vehicles 130 subscribed with the rain and snow information service every time the rain and snow information corresponding to the field-end rain and snow sensor stored locally is updated, so as to reduce the delay of the unmanned vehicle 130 obtaining the current latest current rain and snow information.
In another embodiment of the present invention, the unmanned vehicle 130 is further configured to send status information of the self-wiper to the cloud server 120, wherein the status information includes an on state or an off state, and wiper scraping speed information;
the cloud server 120 is further configured to store status information of the wiper of the unmanned vehicle 130 corresponding to the identification information of the unmanned vehicle 130.
In this implementation, the unmanned vehicle 130 may feed back the status information of its wiper to the cloud server 120 in real time, so as to store the status information of the wiper of the unmanned vehicle 130 through the cloud server 120, and facilitate the subsequent checking and processing of the staff.
Corresponding to the method embodiment, the embodiment of the invention provides a vehicle wiper control method, which is applied to an unmanned vehicle of a vehicle wiper control system, the vehicle wiper control system further comprises a field end rain and snow quantity sensor and a cloud server, and the field end rain and snow quantity sensor acquires current rain and snow quantity information of a target scene and uploads the current rain and snow quantity information to the cloud server; the cloud server updates the locally stored rain and snow amount information corresponding to the field end rain and snow amount sensor based on the current rain and snow amount information of the field end rain and snow amount sensor; as shown in fig. 3, the method may include:
s301: obtaining current rain and snow amount information of the field end rain and snow amount sensor from the cloud server;
s302: and controlling the opening or closing of the windscreen wiper of the field end rain and snow sensor based on the current rain and snow information of the field end rain and snow sensor.
By applying the embodiment of the invention, the current rain and snow information of the target scene can be acquired by utilizing the limited field end rain and snow sensors arranged in the target scene and uploaded to the cloud server, and then the unmanned vehicles control the opening or closing of the windscreen wipers based on the current rain and snow information acquired from the cloud server, and the unmanned vehicles such as the unmanned container trucks do not need to be provided with the rain and snow sensors independently, so that the corresponding cost consumption is reduced on the basis of ensuring the safe operation requirements of the vehicles. And the working capacity of the unmanned vehicle in rainy and snowy weather can be effectively improved, and the working efficiency is improved.
In another embodiment of the present invention, the step of controlling the opening or closing of the wiper based on the current rain and snow amount information of the field end rain and snow amount sensor includes:
after obtaining the current rain and snow amount information of the field end rain and snow amount sensor from the cloud server, judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value;
and if the current rain and snow amount information is judged to be not less than the first rain and snow amount threshold value, controlling the windscreen wiper to be started.
In another embodiment of the present invention, the method further comprises:
and if the current rain and snow amount information is judged to be smaller than a first rain and snow amount threshold value, controlling the wiper to close.
In another embodiment of the present invention, the step of controlling the opening or closing of the wiper based on the current rain and snow amount information of the field end rain and snow amount sensor includes:
acquiring current rain and snow amount information of the field end rain and snow amount sensor from the cloud server by using a vehicle control subsystem, and determining wiper control information based on the current rain and snow amount information of the field end rain and snow amount sensor; the control information of the windscreen wiper comprises control windscreen wiper starting information or closing information and windscreen wiper scraping speed information;
and controlling the opening or closing of the corresponding windscreen wiper of the unmanned vehicle based on the windscreen wiper control information by utilizing the windscreen wiper control subsystem.
In another embodiment of the present invention, the step of obtaining, by the vehicle control subsystem, current rain and snow amount information of the field-side rain and snow amount sensor from the cloud server, and determining wiper control information based on the current rain and snow amount information of the field-side rain and snow amount sensor includes:
judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value by using a vehicle control subsystem;
if the current rain and snow amount information is judged to be not smaller than a first rain and snow amount threshold value, judging whether the current rain and snow amount information is not smaller than a second rain and snow amount threshold value, wherein the second rain and snow amount threshold value is larger than the first rain and snow amount threshold value;
if the current rain and snow amount information is larger than the first rain and snow amount threshold value and smaller than the second rain and snow amount threshold value, determining to include wiper control information for controlling a wiper to wipe at a first speed;
if the current rain and snow amount information is not less than the second rain and snow amount threshold, judging whether the current rain and snow amount information is not less than a third rain and snow amount threshold, wherein the third rain and snow amount threshold is greater than the second rain and snow amount threshold;
if the current rain and snow amount information is larger than the second rain and snow amount threshold and smaller than the third rain and snow amount threshold, determining to include wiper control information for controlling a wiper to be blown at a second speed, wherein the second speed is larger than the first speed;
and if the current rain and snow amount information is not less than the third rain and snow amount threshold, determining to include wiper control information for controlling the wiper to move at a third speed, wherein the third speed is greater than the second speed.
In another embodiment of the present invention, the step of obtaining the current rain and snow information of the field-end rain and snow sensor from the cloud server includes:
collecting and detecting raindrop size of the target scene or snow water size corresponding to snow;
and determining current rainfall information based on the detected raindrop size or snow water size corresponding to snow so as to obtain the current rainfall information.
In another embodiment of the present invention, the method further comprises:
and subscribing rain and snow information service to the cloud server so as to have the function of obtaining the current rain and snow information of the field rain and snow sensor from the cloud server.
In another embodiment of the present invention, the method further comprises:
and sending the state information of the windscreen wiper to the cloud server so that the cloud server stores the state information of the windscreen wiper of the unmanned vehicle corresponding to the identification information of the unmanned vehicle, wherein the state information comprises an opening state or a closing state and windscreen wiper scraping speed information.
The above method embodiment corresponds to the system embodiment, and has the same technical effect as the system embodiment, and for the specific description, reference is made to the system embodiment. The method embodiment is obtained based on the system embodiment, and specific description may refer to the system embodiment section, which is not described herein again. Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A vehicle wiper control system, comprising: the system comprises a field end rain and snow sensor, a cloud server and an unmanned vehicle provided with a wiper; the field end rain and snow sensor is arranged at an appointed position of a target scene, and the unmanned vehicle runs in the target scene;
the field end rain and snow quantity sensor is configured to collect current rain and snow quantity information of the target scene and upload the information to the cloud server;
the cloud server is configured to update locally stored rain and snow amount information corresponding to the field-end rain and snow amount sensor based on the current rain and snow amount information of the field-end rain and snow amount sensor;
the unmanned vehicle is configured to obtain current rain and snow amount information of the field end rain and snow amount sensor from the cloud server, and control the opening or closing of a windscreen wiper of the unmanned vehicle based on the current rain and snow amount information of the field end rain and snow amount sensor.
2. The system of claim 1, wherein the unmanned vehicle is specifically configured to determine whether current rain and snow information of the field-side rain and snow sensor is not less than a first rain and snow threshold after obtaining the current rain and snow information from the cloud server; and if the current rain and snow amount information is judged to be not less than the first rain and snow amount threshold value, controlling the windscreen wiper to be started.
3. The system of claim 2, wherein the unmanned vehicle is further specifically configured to control a wiper thereof to close if it is determined that the current rain and snow amount information is less than a first rain and snow amount threshold.
4. The system of claim 1, wherein the unmanned vehicle comprises a vehicle control subsystem and a wiper control subsystem; the vehicle control subsystem is configured to obtain current rain and snow amount information of the field end rain and snow amount sensor from the cloud server and determine wiper control information based on the current rain and snow amount information of the field end rain and snow amount sensor; the control information of the windscreen wiper comprises control windscreen wiper starting information or closing information and windscreen wiper scraping speed information;
the wiper control subsystem is configured to control opening or closing of respective wipers of the unmanned vehicle and a wiper scraping speed of the wipers when opened, based on the wiper control information.
5. The system of claim 4, wherein the vehicle control subsystem, in the step of determining wiper control information based on current rain and snow information of the field-side rain and snow sensor, is specifically configured to:
judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value;
if the current rain and snow amount information is judged to be not smaller than a first rain and snow amount threshold value, judging whether the current rain and snow amount information is not smaller than a second rain and snow amount threshold value, wherein the second rain and snow amount threshold value is larger than the first rain and snow amount threshold value;
if the current rain and snow amount information is larger than the first rain and snow amount threshold value and smaller than the second rain and snow amount threshold value, determining to include wiper control information for controlling a wiper to wipe at a first speed;
if the current rain and snow amount information is not less than the second rain and snow amount threshold, judging whether the current rain and snow amount information is not less than a third rain and snow amount threshold, wherein the third rain and snow amount threshold is greater than the second rain and snow amount threshold;
if the current rain and snow amount information is larger than the second rain and snow amount threshold and smaller than the third rain and snow amount threshold, determining to include wiper control information for controlling a wiper to be blown at a second speed, wherein the second speed is larger than the first speed;
and if the current rain and snow amount information is not less than the third rain and snow amount threshold, determining to include wiper control information for controlling the wiper to move at a third speed, wherein the third speed is greater than the second speed.
6. The system of any one of claims 1-5, wherein the field-end rain and snow sensor is specifically configured to collect and detect rain drop size or snow water size corresponding to snow of the target scene; and determining current rainfall information based on the detected raindrop size or snow water size corresponding to snow so as to obtain the current rainfall information.
7. The system of any one of claims 1-5, wherein the unmanned vehicle is further configured to subscribe to a rain and snow volume information service with the cloud server to have functionality to obtain current rain and snow volume information for a field-side rain and snow volume sensor from the cloud server.
8. The system of any one of claims 1-5, wherein the unmanned vehicle is further configured to send status information of its own wiper to the cloud server, wherein the status information includes an on state or an off state, and wiper scraping speed information;
the cloud server is further configured to store state information of a wiper of the unmanned vehicle corresponding to the identification information of the unmanned vehicle.
9. A vehicle wiper control method is characterized in that the vehicle wiper control method is applied to an unmanned vehicle of a vehicle wiper control system, the vehicle wiper control system further comprises a field end rain and snow quantity sensor and a cloud server, and the field end rain and snow quantity sensor acquires current rain and snow quantity information of a target scene and uploads the information to the cloud server; the cloud server updates the locally stored rain and snow amount information corresponding to the field end rain and snow amount sensor based on the current rain and snow amount information of the field end rain and snow amount sensor;
the method comprises the following steps:
obtaining current rain and snow amount information of the field end rain and snow amount sensor from the cloud server;
and controlling the opening or closing of the windscreen wiper of the field end rain and snow sensor based on the current rain and snow information of the field end rain and snow sensor.
10. The method of claim 9, wherein the step of controlling the wiper to turn on or off based on the current rain and snow information of the field-side rain and snow sensor comprises:
after obtaining the current rain and snow amount information of the field end rain and snow amount sensor from the cloud server, judging whether the current rain and snow amount information is not less than a first rain and snow amount threshold value;
and if the current rain and snow amount information is judged to be not less than the first rain and snow amount threshold value, controlling the windscreen wiper to be started.
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