CN110599738A - Moving object monitoring method, device, equipment and system - Google Patents
Moving object monitoring method, device, equipment and system Download PDFInfo
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- CN110599738A CN110599738A CN201910884969.2A CN201910884969A CN110599738A CN 110599738 A CN110599738 A CN 110599738A CN 201910884969 A CN201910884969 A CN 201910884969A CN 110599738 A CN110599738 A CN 110599738A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0277—Communication between units on a local network, e.g. Bluetooth, piconet, zigbee, Wireless Personal Area Networks [WPAN]
Abstract
The application belongs to the technical field of signal processing, and provides a method, a device, equipment and a system for monitoring a moving object, wherein the method comprises the following steps: when the monitoring function is started, collecting WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set; acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated; comparing the first WIFI data set with the second WIFI data set; and if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction so as to send an alarm signal or information to remind a user according to the alarm instruction. The embodiment of the application solves the problem that the monitoring function is easy to lose efficacy.
Description
Technical Field
The present invention relates to the field of signal processing technologies, and in particular, to a method, an apparatus, a device, and a system for monitoring a moving object.
Background
The safety and health of children have been a very important issue for parents. With the development of science and technology, intelligent electronic equipment for children is gradually emerging. Many intelligent electronic devices aimed at child care are on the market, such as products like child anti-loss watches or bracelets. The main wearing modes of the series of products are mostly close-fitting wearing modes such as bracelets, shoes or socks.
However, in the existing child anti-loss electronic products on the market, the anti-loss device carried by the child and the monitoring device carried by the parent are usually in communication connection through bluetooth. The anti-lost device adopting the Bluetooth for communication connection is influenced by the defect of the Bluetooth communication mode, and the anti-lost device is limited to be effective only in a short distance; and when parents and children are in places with dense people flow or more nearby shelters, the anti-lost device carried by the children and the monitoring device carried by the parents are connected unstably, so that the position monitoring function of the children is easily disabled.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, a device, and a system for monitoring a moving object, so as to solve the problem that a monitoring function is prone to failure.
A first aspect of an embodiment of the present invention provides a method for monitoring a moving object, including:
when the monitoring function is started, collecting WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set;
acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated;
comparing the first WIFI data set with the second WIFI data set;
and if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction so as to send an alarm signal or information to remind a user according to the alarm instruction.
In one implementation example, before acquiring WIFI information of an environment in which the first WIFI data set is generated at a preset sampling frequency, the method further includes:
and testing the WIFI receiving performance of the associated equipment to generate adjusting parameters.
In one implementation example, the comparing the first WIFI data set with the second WIFI data set includes:
modifying the second WIFI data set according to the adjusting parameters;
and comparing the first WIFI data set with the modified second WIFI data set.
In one example implementation, the method further comprises:
and detecting a motion state through a motion sensor, and correspondingly adjusting the sampling frequency according to the motion state.
In one implementation example, the obtaining, by the motion sensor, a motion state, and the correspondingly adjusting the sampling frequency according to the motion state includes:
obtaining a first motion state parameter through a motion sensor;
acquiring a second motion state parameter obtained by detecting the current motion state by the associated equipment, and if the first motion state parameter and the second motion state parameter are both within the parameter range of a preset static state, reducing the sampling frequency;
and if the first motion state parameter is within the parameter range of the preset motion state, increasing the sampling frequency.
In one implementation example, after comparing the first WIFI data set with the second WIFI data set, further comprising:
recording the comparison result of each time; the comparison result comprises an intersection part of the first WIFI data set and the second WIFI data set;
and if the difference value of the intersection part of the current comparison result and the intersection part of the last comparison result is greater than a preset difference value, increasing the sampling frequency.
In one implementation example, after generating an alarm instruction if the intersection portion of the first WIFI data set and the second WIFI data set is less than a preset threshold, the method further includes:
sending the alarm instruction to the associated device
A second aspect of an embodiment of the present invention provides a mobile object monitoring apparatus, including:
the WIFI information acquisition module is used for acquiring WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set when the monitoring function is started;
the WIFI data set acquisition module is used for acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated;
a comparison module for comparing the first WIFI data set with the second WIFI data set;
and the alarm instruction generating module is used for generating an alarm instruction if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value so as to send an alarm signal or information to remind a user according to the alarm instruction.
A third aspect of an embodiment of the present invention provides a mobile object monitoring system, including a monitoring device and an associated device in communication connection with the monitoring device; wherein the content of the first and second substances,
the monitoring device and the associated device each perform the mobile object monitoring method of the first aspect.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium, which stores a computer program that, when executed by a processor, implements the steps of the method of the first aspect.
A fifth aspect of an embodiment of the present invention provides a mobile object monitoring apparatus, including: a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the mobile object monitoring method of the first aspect when executing the computer program.
According to the method, the device, the equipment and the system for monitoring the moving object, provided by the embodiment of the invention, when a monitoring function is started, WIFI information of an environment where the moving object is located is collected at a preset sampling frequency to generate a first WIFI data set; the WIFI data set is signal intensity and number corresponding to the received WIFI signals during sampling each time; acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated; comparing the first WIFI data set with the second WIFI data set; and if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction so as to send an alarm signal or information to remind a user according to the alarm instruction. The distance between the self device and the associated device, namely the mobile object, is judged according to the difference of the WIFI information received by the self device and the associated device carried by the mobile object, so that the applicable range is wider. When the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, the fact that the distance between the position of the device and the associated device, namely the mobile object, exceeds a safe distance is indicated, an alarm instruction is generated to send an alarm signal or information to remind a user, and distance monitoring of the mobile object is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart of a mobile object monitoring method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a moving object monitoring method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a moving object monitoring apparatus according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a mobile object monitoring system according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a moving object monitoring device according to a fifth embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover non-exclusive inclusions. For example, a process, method, or 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. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
Example one
Fig. 1 is a schematic flow chart of a moving object monitoring method according to an embodiment of the present invention. The embodiment is applicable to application scenarios for monitoring mobile objects such as children, the method can be executed by a monitoring device (apparatus) or an associated device (apparatus) in communication connection with the monitoring device, and the monitoring device and the associated device can be an intelligent terminal, a mobile phone, a tablet, an intelligent watch or an intelligent bracelet, etc.; in the embodiment of the present invention, a monitoring device is used as an execution subject, and the method specifically includes the following steps:
s110, when a monitoring function is started, collecting WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set;
the embodiment is applicable to an application scenario for monitoring a mobile object such as a child, and in order to realize real-time monitoring of the mobile object by a user, the user such as a parent may carry the monitoring device, and the mobile object such as the child may carry an associated device in communication connection with the monitoring device. Optionally, the monitoring device may be communicatively coupled to one or more associated devices via a cellular data or mobile communications network.
When a user starts a monitoring function in the monitoring device, the monitoring device starts a WIFI receiving function to automatically acquire WIFI information of the current environment of the device, and when the monitoring function is started, the related device related to the monitoring device also starts the WIFI receiving function.
In an implementation example, after the monitoring device and the associated device carried by the mobile object start a WIFI receiving function, before the monitoring device collects WIFI information of an environment where the monitoring device is located at a preset sampling frequency to generate a first WIFI data set, the WIFI receiving performance of the associated device needs to be tested to generate an adjusting parameter. Specifically, when the WIFI receiving performance of the associated device is tested, it is limited that the monitoring device and the associated device are located at the same position at this time, and the influence of the distance between the two devices on the number and the signal strength of the received WIFI signals is negligible. The monitoring device tests the WIFI receiving performance of the associated device to obtain the number of WIFI signals received by the associated device and corresponding signal strength, evaluates the number of WIFI signals received by the associated device and corresponding signal strength, calculates errors between the number of WIFI signals received by the associated device and corresponding signal strength and between the number of WIFI signals received by the monitoring device and corresponding signal strength, and generates adjusting parameters corresponding to the associated device according to the errors to correct data errors between the monitoring device and the associated device, so that the monitoring result of the mobile object is more accurate.
When the monitoring function is started, the monitoring equipment collects WIFI information of an environment where the monitoring equipment is located at a preset sampling frequency to generate a first WIFI data set. Specifically, the monitoring device collects WIFI information of the environment at each time at a preset sampling frequency and then generates a first WIFI data set. The WIFI data set comprises a WIFI signal name, signal intensity, an IP address and the number corresponding to the WIFI signal, which are received during sampling each time.
S120, acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated;
after monitoring equipment collects WIFI information once at a preset sampling frequency to generate a first WIFI data set, acquiring a second WIFI data set generated by collecting the WIFI information of the current environment by associated equipment carried by a mobile object to be monitored. The second WIFI data set comprises the names of the WIFI signals searched by the associated equipment and the signal intensity and the number corresponding to the WIFI signals.
S130, comparing the first WIFI data set with the second WIFI data set;
when the monitoring device generates the first WIFI data set every time, the first WIFI data set needs to be compared with a second WIFI data set generated by acquiring WIFI information of the current environment of the associated device, and the distance between the monitoring device and the associated device is judged by comparing the data difference between the first WIFI data set and the second WIFI data set, so that the distance monitoring between a user (such as a parent) carrying the monitoring device and a mobile object (such as a child) carrying the associated device is realized.
In one implementation example, the process of comparing the first WIFI data set with the second WIFI data set may be: modifying the second WIFI data set according to the adjusting parameters; and comparing the first WIFI data set with the modified second WIFI data set. In particular, since the monitoring device and the associated device may be different types of smart devices, the different types of smart devices may have inconsistent WIFI reception performance. In order to enable the monitoring result to be accurate, before the comparison between the first WIFI data set and the second WIFI data set is carried out, the second WIFI data set needs to be corrected according to the adjusting parameters generated by testing the WIFI receiving performance of the associated equipment, and errors caused by the fact that the WIFI receiving performance of the associated equipment is different from that of the monitoring equipment in the second WIFI data set are corrected. And comparing the first WIFI data set generated by the monitoring equipment with the second WIFI data set generated by the modified associated equipment, and searching an intersection part between the two data sets.
And S140, if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction so as to send an alarm signal or information to remind a user according to the alarm instruction.
The first WIFI data set and the second WIFI data set both comprise signal strength and number corresponding to the received WIFI signals. Specifically, a first WIFI data set generated by the monitoring device is compared with a second WIFI data set generated by the modified associated device, an intersection part between the two data sets is searched, that is, the number of WIFI signals existing in the two WIFI data sets is counted according to names and IP addresses of the WIFI signals in the first WIFI data set and the second WIFI data set, a difference value between the signal intensity of the WIFI signals in the first WIFI data set and the signal intensity of the WIFI signals in the second WIFI data set is calculated, and the intersection part between the first WIFI data set and the second WIFI data set is obtained. Specifically, the farther the distance interval between the monitoring device and the associated device is, the different WIFI signals at the positions where the monitoring device and the associated device collect signals may be, and the signal strength of the WIFI signals may be attenuated along with the increase of the distance between the devices. And presetting a preset threshold corresponding to the maximum safe distance according to the coverage range of the WIFI signal and the corresponding relation between the signal strength and the receiving distance. Optionally, the preset threshold may include a number threshold of the same WIFI signal in the first WIFI data set and the second WIFI data set and a difference threshold of the corresponding signal strength.
When the number of WIFI signals in the intersection part of the first WIFI data set and the second WIFI data set and the corresponding signal intensity difference value are smaller than the number threshold value and the difference threshold value in the preset threshold value, the intersection part of the first WIFI data set and the second WIFI data set is judged to be smaller than the preset threshold value, the distance between the monitoring equipment and the associated equipment can be judged to exceed the safety distance corresponding to the preset threshold value, and the monitoring equipment generates an alarm instruction. Optionally, the alarm instruction may be an alarm signal generation instruction or an alarm information generation instruction, so that the monitoring device can send an alarm signal or information according to the alarm instruction to remind a user (e.g., a parent). Therefore, the distance between the mobile object (such as children) and the user can be monitored in real time, and an alarm signal or information is generated in time to remind the user when the distance between the mobile object and the user exceeds a safe distance.
In one implementation example, after the monitoring device generates the alarm instruction, the monitoring device further sends the alarm instruction to the association device, so that the association device can also send an alarm signal or information to remind a moving object (such as a child) according to the alarm instruction. Therefore, when the distance between the mobile object and the user carrying the monitoring equipment exceeds the safe distance, bidirectional reminding is carried out.
According to the mobile object monitoring method provided by the embodiment of the invention, when a monitoring function is started, WIFI information of an environment where the mobile object is located is collected at a preset sampling frequency to generate a first WIFI data set; the WIFI data set is signal intensity and number corresponding to the received WIFI signals during sampling each time; acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated; comparing the first WIFI data set with the second WIFI data set; and if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction so as to send an alarm signal or information to remind a user according to the alarm instruction. The distance between the self device and the associated device, namely the mobile object, is judged according to the difference of the WIFI information received by the self device and the associated device carried by the mobile object, so that the applicable range is wider. When the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, the fact that the distance between the position of the device and the associated device, namely the mobile object, exceeds a safe distance is indicated, an alarm instruction is generated to send an alarm signal or information to remind a user, and distance monitoring of the mobile object is achieved.
Example two
Fig. 2 is a schematic flow chart of a moving object monitoring method according to a second embodiment of the present invention. On the basis of embodiment one, this embodiment still provides the process of adjusting the sampling frequency of the WIFI information of the environment that monitoring facilities gathered to improve the rate of accuracy of monitoring. The method specifically comprises the following steps:
s210, when the monitoring function is started, collecting WIFI information of an environment where the monitoring function is located at a preset sampling frequency to generate a first WIFI data set.
And S220, acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated.
S230, comparing the first WIFI data set with the second WIFI data set.
When the monitoring device generates the first WIFI data set every time, the first WIFI data set needs to be compared with a second WIFI data set generated by acquiring WIFI information of the current environment of the associated device, and the distance between the monitoring device and the associated device is judged by comparing the data difference between the first WIFI data set and the second WIFI data set, so that the distance monitoring between a user (such as a parent) carrying the monitoring device and a mobile object (such as a child) carrying the associated device is realized.
In one implementation example, after comparing the first WIFI data set with the second WIFI data set, further comprising: recording the comparison result of each time; the comparison result comprises an intersection part of the first WIFI data set and the second WIFI data set; and if the difference value of the intersection part of the current comparison result and the intersection part of the last comparison result is greater than a preset difference value, increasing the sampling frequency.
Specifically, after the first WIFI data set and the second WIFI data set are compared for the first time, the monitoring device further records a comparison result, that is, an intersection portion of the first WIFI data set and the second WIFI data set. The monitoring equipment obtains the last comparison result from the database and calculates the difference value of the intersection part of the current comparison result and the intersection part of the last comparison result. The intersection part can count the number of WIFI signals in the two WIFI data sets according to the names and IP addresses of the WIFI signals in the first WIFI data set and the second WIFI data set, and calculate the difference value between the signal intensity of the WIFI signal in the first WIFI data set and the signal intensity of the WIFI signal in the second WIFI data set. Optionally, a difference between the intersection of the current comparison result and the intersection of the previous comparison result may be a difference between the number of WIFI signals and a difference between corresponding signal strengths. If the difference of the intersection part of the current comparison result and the intersection part of the last comparison result is greater than the preset difference, the fact that the distance between the current monitoring equipment position and the associated equipment position has large change within a sampling interval time can be judged, the monitoring equipment can increase the sampling frequency of WIFI information of the environment where the monitoring equipment collects, the monitoring equipment can acquire WIFI information with the faster sampling frequency and compare the WIFI information with the WIFI information acquired by the associated equipment, and therefore the position of a mobile object (such as a child) carrying the associated equipment is monitored more frequently. Because the distance between the current position of the monitoring device and the position of the associated device has larger change within a sampling interval time, the monitoring device can be in a fast moving state for both or one of a user carrying the monitoring device and a moving object carrying the associated device, the monitoring device increases the sampling frequency of WIFI information of the environment where the monitoring device collects, the position change of the associated device is avoided being omitted within the monitoring dead zone time of the sampling interval time, and the monitoring accuracy is improved.
S240, if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction, and sending an alarm signal or information to remind a user according to the alarm instruction.
And S250, detecting a motion state through a motion sensor, and correspondingly adjusting the sampling frequency according to the motion state.
The embodiment is applicable to an application scenario for monitoring a mobile object such as a child, and in order to realize real-time monitoring of the mobile object by a user, the user such as a parent may carry the monitoring device, and the mobile object such as the child may carry an associated device in communication connection with the monitoring device. Optionally, the monitoring device and the associated device may also detect the motion state of the device through a motion sensor. The monitoring device can detect the motion state of the current device, namely the motion state of a user carrying the monitoring device, through the motion sensor, so that the sampling frequency is correspondingly adjusted according to the motion state.
In one embodiment, the process of correspondingly adjusting the sampling frequency according to the motion state may be: obtaining a first motion state parameter through a motion sensor; and obtaining a second motion state parameter obtained by detecting the current motion state by the associated equipment, and if the first motion state parameter and the second motion state parameter are both within the parameter range of a preset static state, reducing the sampling frequency. Specifically, when the first motion state parameter and the second motion parameter are both within the preset parameter range of the stationary state, it may be determined that both the user carrying the monitoring device and the mobile object carrying the associated device are currently in the stationary state, and the position of the associated device may not change within a period of time. Monitoring facilities accessible reduces the sampling frequency of monitoring facilities collection environment's WIFI information, practices thrift the electric energy.
And if the first motion state parameter is within the parameter range of the preset motion state, the monitoring equipment increases the sampling frequency. Specifically, when the first motion state parameter is within the parameter range of the preset moving state, it is indicated that the user carrying the monitoring device is in the fast moving state, and the monitoring device increases the sampling frequency of the WIFI information of the environment where the monitoring device collects. Monitoring facilities accessible increase monitoring facilities gathers the sampling frequency of the WIFI information of the environment that is located, makes monitoring facilities carry out WIFI information acquisition and contrast with the WIFI information that associated equipment gathered with faster sampling frequency to the position of the moving object (like children) that associated equipment was carried in more frequent monitoring. The position change of the associated equipment is avoided from being omitted in the monitoring dead zone time of the sampling interval time, so that the monitoring accuracy is improved.
EXAMPLE III
Fig. 3 shows a moving object monitoring apparatus according to a third embodiment of the present invention. On the basis of the first or second embodiment, the embodiment of the present invention further provides a moving object monitoring apparatus 3, including:
the WIFI information acquisition module 301 is configured to acquire WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set when the monitoring function is started;
in an implementation example, when the monitoring function is turned on, before the WIFI information collecting module 301 collects the WIFI information of the environment at a preset sampling frequency to generate the first WIFI data set, the apparatus further includes:
and the adjusting parameter generating module is used for testing the WIFI receiving performance of the associated equipment to generate adjusting parameters.
A WIFI data set obtaining module 302, configured to obtain, each time the first WIFI data set is generated, a second WIFI data set generated by acquiring, by an associated device carried by the mobile object, WIFI information of a current environment where the mobile object is located;
a comparison module 303, configured to compare the first WIFI data set with the second WIFI data set;
in one implementation example, when comparing the first WIFI data set with the second WIFI data set, the comparing module 303 includes:
the data correction unit is used for correcting the second WIFI data set according to the adjusting parameters;
and the comparison unit is used for comparing the first WIFI data set with the corrected second WIFI data set.
In an implementation example, after the comparing module 303 compares the first WIFI data set with the second WIFI data set, the apparatus further includes:
the comparison result recording module is used for recording the comparison result of each time; the comparison result comprises an intersection part of the first WIFI data set and the second WIFI data set;
and the sampling frequency increasing module is used for increasing the sampling frequency if the difference value of the intersection part of the current comparison result and the intersection part of the last comparison result is greater than a preset difference value.
An alarm instruction generating module 304, configured to generate an alarm instruction if an intersection portion of the first WIFI data set and the second WIFI data set is less than a preset threshold, so as to send an alarm signal or information according to the alarm instruction to remind a user.
In an implementation example, if the intersection portion of the first WIFI data set and the second WIFI data set is less than a preset threshold, after the alarm instruction generation module 304 generates an alarm instruction, the apparatus further includes:
and the alarm instruction sending module is used for sending the alarm instruction to the associated equipment.
In one example, the apparatus further comprises:
and the sampling frequency adjusting module is used for detecting the motion state through the motion sensor and correspondingly adjusting the sampling frequency according to the motion state.
In one embodiment, the motion state is obtained by a motion sensor, and when the sampling frequency is correspondingly adjusted according to the motion state, the sampling frequency adjusting module includes:
the first motion state parameter acquisition unit is used for acquiring a first motion state parameter through the motion sensor;
the first sampling frequency adjusting unit is used for acquiring a second motion state parameter obtained by detecting the current motion state by the associated equipment, and if the first motion state parameter and the second motion state parameter are both within a parameter range of a preset static state, the sampling frequency is reduced;
and the second sampling frequency adjusting unit is used for increasing the sampling frequency if the first motion state parameter is within the parameter range of a preset motion state.
According to the mobile object monitoring device provided by the embodiment of the invention, when the monitoring function is started, the WIFI information of the environment is collected at the preset sampling frequency to generate the first WIFI data set; the WIFI data set is signal intensity and number corresponding to the received WIFI signals during sampling each time; acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated; comparing the first WIFI data set with the second WIFI data set; and if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction so as to send an alarm signal or information to remind a user according to the alarm instruction. The distance between the self device and the associated device, namely the mobile object, is judged according to the difference of the WIFI information received by the self device and the associated device carried by the mobile object, so that the applicable range is wider. When the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, the fact that the distance between the position of the device and the associated device, namely the mobile object, exceeds a safe distance is indicated, an alarm instruction is generated to send an alarm signal or information to remind a user, and distance monitoring of the mobile object is achieved.
Example four
Fig. 4 is a schematic structural diagram of a moving object monitoring system according to a fourth embodiment of the present invention. An embodiment of the present invention further provides a mobile object monitoring system, including: a monitoring device 41 and an association device 42 communicatively connected to the monitoring device; wherein the content of the first and second substances,
the monitoring device 41 and the association device 42 each implement the steps of the moving object monitoring method in the first embodiment or the second embodiment.
Of course, the monitoring device 41 and the association device 42 provided in the embodiment of the present invention each include a processor, and a computer-readable storage medium that can execute instructions, where the instructions executable by the processor are not limited to the method operations described above, and can also execute related operations in the moving object monitoring method provided in any embodiment of the present invention.
EXAMPLE five
Fig. 5 is a schematic structural diagram of a moving object monitoring device according to a fifth embodiment of the present invention. The apparatus 5 comprises: a processor 1, a memory 2 and a computer program 3, such as a program for a moving object monitoring method, stored in said memory 2 and executable on said processor 1. The processor 1, when executing the computer program 3, implements the steps in the above-described embodiment of the moving object monitoring method, such as the steps S110 to S140 shown in fig. 1.
Illustratively, the computer program 3 may be divided into one or more modules, which are stored in the memory 2 and executed by the processor 1 to complete the present application. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 3 in the apparatus. For example, the computer program 3 may be divided into a WIFI information acquisition module, a WIFI data set acquisition module, a comparison module, and an alarm instruction generation module, and the specific functions of each module are as follows:
the WIFI information acquisition module is used for acquiring WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set when the monitoring function is started;
the WIFI data set acquisition module is used for acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated;
a comparison module for comparing the first WIFI data set with the second WIFI data set;
and the alarm instruction generating module is used for generating an alarm instruction if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value so as to send an alarm signal or information to remind a user according to the alarm instruction.
The apparatus may include, but is not limited to, a processor 1, a memory 2, and a computer program 3 stored in the memory 2. It will be appreciated by those skilled in the art that fig. 5 is merely an example of a moving object monitoring apparatus and is not intended to be limiting and may include more or fewer components than those shown, or some components in combination, or different components, for example, the apparatus may also include input output devices, network access devices, buses, etc.
The Processor 1 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 2 may be an internal storage unit of the monitoring device, such as a hard disk or a memory of a control device. The memory 2 may be an external storage device such as a plug-in hard disk provided in the image pickup apparatus, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like. Further, the memory 2 may also include both an internal storage unit of the device and an external storage device. The memory 2 is used for storing the computer program and other programs and data required by the production line capacity monitoring method. The memory 2 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; 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; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A mobile object monitoring method, comprising:
when the monitoring function is started, collecting WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set;
acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated;
comparing the first WIFI data set with the second WIFI data set;
and if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value, generating an alarm instruction so as to send an alarm signal or information to remind a user according to the alarm instruction.
2. The moving object monitoring method of claim 1, further comprising, prior to collecting the WIFI information of the environment at the preset sampling frequency to generate the first WIFI data set:
and testing the WIFI receiving performance of the associated equipment to generate adjusting parameters.
3. The mobile object monitoring method of claim 2, wherein said comparing the first WIFI data set to the second WIFI data set comprises:
modifying the second WIFI data set according to the adjusting parameters;
and comparing the first WIFI data set with the modified second WIFI data set.
4. The mobile object monitoring method according to any one of claims 1-3, wherein the method further comprises:
and detecting a motion state through a motion sensor, and correspondingly adjusting the sampling frequency according to the motion state.
5. The moving object monitoring method of claim 4, wherein the obtaining a motion state by a motion sensor, the correspondingly adjusting the sampling frequency according to the motion state comprises:
obtaining a first motion state parameter through a motion sensor;
acquiring a second motion state parameter obtained by detecting the current motion state by the associated equipment, and if the first motion state parameter and the second motion state parameter are both within the parameter range of a preset static state, reducing the sampling frequency;
and if the first motion state parameter is within the parameter range of the preset motion state, increasing the sampling frequency.
6. The mobile object monitoring method of any of claims 1-3, further comprising, after comparing the first WIFI data set with the second WIFI data set:
recording the comparison result of each time; the comparison result comprises an intersection part of the first WIFI data set and the second WIFI data set;
and if the difference value of the intersection part of the current comparison result and the intersection part of the last comparison result is greater than a preset difference value, increasing the sampling frequency.
7. The method for monitoring a moving object according to claim 1, further comprising, after generating an alarm command if the intersection of the first WIFI data set and the second WIFI data set is less than a preset threshold:
and sending the alarm instruction to the associated equipment.
8. A mobile object monitoring system comprising a monitoring device and an associated device communicatively coupled to the monitoring device; wherein the content of the first and second substances,
the monitoring device and the associated device each perform the mobile object monitoring method of any one of claims 1-7.
9. A moving object monitoring device, comprising:
the WIFI information acquisition module is used for acquiring WIFI information of an environment at a preset sampling frequency to generate a first WIFI data set when the monitoring function is started;
the WIFI data set acquisition module is used for acquiring a second WIFI data set generated by acquiring WIFI information of the current environment by associated equipment carried by the mobile object each time the first WIFI data set is generated;
a comparison module for comparing the first WIFI data set with the second WIFI data set;
and the alarm instruction generating module is used for generating an alarm instruction if the intersection part of the first WIFI data set and the second WIFI data set is less than a preset threshold value so as to send an alarm signal or information to remind a user according to the alarm instruction.
10. A mobile object monitoring apparatus comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the mobile object monitoring method as claimed in any one of claims 1 to 7.
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