CN117914347B - DSRC switch on-off control method and device based on abnormal optimization of control signals - Google Patents
DSRC switch on-off control method and device based on abnormal optimization of control signals Download PDFInfo
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Abstract
The invention discloses a DSRC switch on-off control method and device based on abnormal optimization of a control signal, which acquire a first signal strength of the DSRC control signal; obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range; taking the first analysis result as input data of control loop operation, stopping the control loop operation when the loop number of the loop operation reaches a loop number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment; and outputting a prompt that the DSRC switching device is normal when the input data is normal, stopping the control cycle operation, and controlling the DSRC switching device to be turned off after the charging device finishes charging the ETC device. The invention realizes the automatic adjustment of DSRC switch equipment after signal abnormality.
Description
Technical Field
The invention relates to the field of automatic control, in particular to a DSRC switch on-off control method and device based on abnormal optimization of control signals.
Background
The highway ETC (Electronic Toll Collection) device is an electronic toll collection system for toll collection of vehicles on the highway. By the popularization of ETC devices, the efficiency of high-speed charging can be increased. And after the ETC equipment is installed on the vehicle, the vehicle is identified based on the DSRC (DEDICATED SHORT-Range Communications) communication function, so that identification information, charging instructions, confirmation information and the like of the vehicle are transmitted, and the data interaction between the ETC equipment and the charging system is realized.
The DSRC switch arranged in the existing ETC equipment is easy to generate unstable control signals, but no technology is optimized for the unstable control signals, so that the on-off control of the DSRC switch is difficult to process when signal abnormality occurs.
Therefore, a DSRC switch on-off control strategy is needed to solve the problem that DSRC switch on-off control is difficult to handle when signal anomalies occur.
Disclosure of Invention
The embodiment of the invention provides a DSRC switch on-off control method and device based on control signal abnormality optimization, which are used for solving the problem that the DSRC switch on-off control is difficult to process when signal abnormality occurs.
In order to solve the above problems, an embodiment of the present invention provides a DSRC switch on-off control method based on abnormal optimization of control signals, including:
Acquiring a first signal strength of a DSRC control signal; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch equipment is arranged in the ETC equipment, and data transmission is carried out between the ETC equipment and the electronic toll collection system;
obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range;
Taking the first analysis result as input data of control loop operation, stopping the control loop operation when the loop number of the loop operation reaches a loop number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment;
Wherein the control loop operation includes:
Judging the input data;
If the input data is that the signal is normal, outputting a prompt that the DSRC switching equipment is normal, stopping the control cycle operation, and controlling the turn-off of the DSRC switching equipment after the charging equipment finishes charging the ETC equipment;
If the input data is abnormal, performing equipment adjustment operation according to a circulation order, re-acquiring second signal intensity of a DSRC control signal after performing the equipment adjustment operation, and obtaining a second analysis result corresponding to the second signal intensity according to the second signal intensity and the signal intensity threshold range, wherein the second analysis result is used as the input data of the next circulation of the control circulation operation; wherein the device adjustment operation includes: one of a self-checking operation of the DSRC switching device, a communication redundancy operation of the DSRC switching device, and a noise reduction operation.
As an improvement of the above solution, the obtaining, according to the first signal strength and the signal strength threshold range, a first analysis result corresponding to the first signal strength includes:
according to the brand and model of the DSRC switch equipment, calling a signal strength threshold range corresponding to the DSRC switch equipment in a preset DSRC switch equipment database; wherein the DSRC switching device database comprises: a plurality of DSRC switch devices, each DSRC switch device corresponding to a brand, model and signal strength threshold range;
judging whether the first signal strength is in the signal strength threshold range or not;
If yes, a first analysis result corresponding to the first signal intensity is that the signal is normal;
if not, the first analysis result corresponding to the first signal intensity is signal abnormality.
As an improvement of the above-described aspect, the performing the device adjustment operation according to the cycle order includes:
judging the circulation order;
if the current circulation order is the first time, executing the self-checking operation of the DSRC switch equipment;
If the current cycle order is the second time, performing a communication redundancy operation of the DSRC switching device;
if the current circulation order is the third time, the interference reducing operation is executed.
As an improvement of the above-described aspect, after the performing of the device adjustment operation according to the cycle order, further comprising:
Recording an adjustment result after adjustment operation of each device; the adjusting result of the device adjusting operation comprises: self-checking normal, self-checking abnormal, communication normal and communication abnormal;
after outputting the prompt of abnormal signal transmission of the DSRC switching equipment, analyzing the adjustment result;
if the adjustment result is self-checking abnormality, the operation of the operation hardware or the loading of the software configuration information corresponding to the DSRC switch equipment is abnormal;
If the adjustment result is that the self-check is normal and the communication is abnormal, the communication of the DSRC switch equipment is abnormal;
and if the adjustment result is that the self-check is normal and the communication is normal, the DSRC switch equipment is influenced by an external interference source.
As an improvement of the above-described aspect, the performing a self-checking operation of the DSRC switching device includes:
Acquiring operation data of each operation hardware of the DSRC switch equipment and loading data of each software configuration information;
If the operation data of each operation hardware are all in the normal operation range threshold value and the loading data of each software configuration information are loaded successfully, completing the execution of the self-checking operation of the DSRC switch equipment, and recording the adjustment result of the current equipment adjustment operation as the self-checking is normal;
If the operation data of the operation hardware is not in the normal operation range threshold value or the loading data of the software configuration information is not loaded successfully, the execution of the self-checking operation of the DSRC switch equipment is completed, and the adjustment result of the current equipment adjustment operation is recorded as the self-checking abnormality.
As an improvement of the above-described aspect, the performing a communication redundancy operation of the DSRC switching device includes:
starting a standby communication path of the DSRC switch device to enable the DSRC switch device to transmit a DSRC control signal based on the current communication path and the standby communication path;
Performing transmission verification of a preset verification frequency threshold in a current communication path and a standby communication path of the DSRC switch equipment, completing communication redundancy operation of the DSRC switch equipment, and acquiring a final transmission verification result;
If the last transmission verification result is verification failure, recording the adjustment result of the current equipment adjustment operation as communication abnormality;
If the last transmission check result is successful, recording the adjustment result of the current equipment adjustment operation as normal communication.
As an improvement of the above solution, the performing the interference reduction operation includes:
in a vehicle carrying the DSRC switch device, the operation power and the use frequency of the wireless device are reduced, and a standby antenna of the DSRC switch device is started, so that the DSRC switch device transmits DSRC control signals based on the current antenna and the standby antenna.
Correspondingly, an embodiment of the present invention further provides a DSRC switch on-off control device based on abnormal optimization of a control signal, including: the system comprises a data acquisition module, a data analysis module and a control circulation module;
the data acquisition module is used for acquiring first signal strength of a DSRC control signal; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch equipment is arranged in the ETC equipment, and data transmission is carried out between the ETC equipment and the electronic toll collection system;
the data analysis module is used for obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range;
the control cycle module is used for taking the first analysis result as input data of control cycle operation, stopping the control cycle operation when the cycle number of the cycle operation reaches a cycle number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment;
Wherein the control loop operation includes:
Judging the input data;
If the input data is that the signal is normal, outputting a prompt that the DSRC switching equipment is normal, stopping the control cycle operation, and controlling the turn-off of the DSRC switching equipment after the charging equipment finishes charging the ETC equipment;
If the input data is abnormal, performing equipment adjustment operation according to a circulation order, re-acquiring second signal intensity of a DSRC control signal after performing the equipment adjustment operation, and obtaining a second analysis result corresponding to the second signal intensity according to the second signal intensity and the signal intensity threshold range, wherein the second analysis result is used as the input data of the next circulation of the control circulation operation; wherein the device adjustment operation includes: one of a self-checking operation of the DSRC switching device, a communication redundancy operation of the DSRC switching device, and a noise reduction operation.
Correspondingly, an embodiment of the present invention also provides a computer terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements a DSRC switch on-off control method based on abnormal optimization of a control signal according to the present invention when the processor executes the computer program.
Correspondingly, an embodiment of the invention also provides a computer readable storage medium, which comprises a stored computer program, wherein the computer program controls equipment where the computer readable storage medium is located to execute the DSRC switch on-off control method based on abnormal optimization of the control signal according to the invention when running.
From the above, the invention has the following beneficial effects:
The invention provides a DSRC switch on-off control method based on abnormal optimization of control signals, which comprises the steps of obtaining first signal strength of DSRC control signals; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch equipment is arranged in the ETC equipment, and data transmission is carried out between the ETC equipment and the electronic toll collection system; obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range; taking the first analysis result as input data of control loop operation, stopping the control loop operation when the loop number of the loop operation reaches a loop number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment; and outputting a prompt that the DSRC switching device is normal when the input data is normal, stopping the control cycle operation, and controlling the DSRC switching device to be turned off after the charging device finishes charging the ETC device. The invention obtains the analysis result of the first signal intensity by comparing the first signal intensity of the DSRC control signal with the signal intensity threshold range, performs the device adjustment operation on the analysis result by controlling the circulation operation, and re-obtains the second signal intensity of the DSRC control signal after each device adjustment operation is performed, thereby detecting whether the signal intensity of the DSRC switch device is normal or not after each device adjustment operation, and realizing the automatic adjustment of the DSRC switch device after signal abnormality.
Further, the invention carries out self-checking operation on the DSRC switch equipment in the first circulation, carries out communication redundancy operation on the DSRC switch equipment in the second circulation, carries out interference reduction operation on the DSRC switch equipment in the third circulation, and automatically adjusts the DSRC switch equipment based on the principle from self factors to external factors, thereby avoiding useless adjustment actions; meanwhile, an adjustment result is recorded after each equipment adjustment operation, so that the fault position can be analyzed after the signal transmission abnormality of the DSRC switch equipment is determined, and the obstacle removal of the DSRC switch equipment is facilitated.
Drawings
FIG. 1 is a flow chart of a DSRC switch on-off control method based on control signal anomaly optimization according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a DSRC switch on-off control device based on abnormal optimization of control signals according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic flow chart of a DSRC switch on-off control method based on abnormal optimization of control signals according to an embodiment of the present invention, as shown in fig. 1, the embodiment includes steps 101 to 103, where each step is specifically as follows:
step 101: acquiring a first signal strength of a DSRC control signal; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch device is installed in the ETC device, and data transmission is carried out between the ETC device and the electronic toll collection system.
In this embodiment, a DSRC control signal transmitted by a DSRC switching device is acquired by a signal sensor or a monitoring device, and a first signal strength of the DSRC control signal is output (the second signal strength is acquired in the same manner as the first signal strength).
Step 102: and obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range.
In this embodiment, the obtaining, according to the first signal strength and the signal strength threshold range, a first analysis result corresponding to the first signal strength includes:
according to the brand and model of the DSRC switch equipment, calling a signal strength threshold range corresponding to the DSRC switch equipment in a preset DSRC switch equipment database; wherein the DSRC switching device database comprises: a plurality of DSRC switch devices, each DSRC switch device corresponding to a brand, model and signal strength threshold range;
judging whether the first signal strength is in the signal strength threshold range or not;
If yes, a first analysis result corresponding to the first signal intensity is that the signal is normal;
if not, the first analysis result corresponding to the first signal intensity is signal abnormality.
In a specific embodiment, matching corresponding signal strength threshold ranges in a preset DSRC switching device database according to the brand and model of the DSRC switching device;
Judging whether the first signal strength is in the range or not by comparing the first signal strength with a signal strength threshold range;
if so, the first analysis result corresponding to the first signal intensity is that the signal is normal;
if not, the first analysis result corresponding to the first signal strength is a signal anomaly.
Step 103: taking the first analysis result as input data of control loop operation, stopping the control loop operation when the loop number of the loop operation reaches a loop number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment; wherein the control loop operation includes: judging the input data; if the input data is that the signal is normal, outputting a prompt that the DSRC switching equipment is normal, stopping the control cycle operation, and controlling the turn-off of the DSRC switching equipment after the charging equipment finishes charging the ETC equipment; if the input data is abnormal, performing equipment adjustment operation according to a circulation order, re-acquiring second signal intensity of a DSRC control signal after performing the equipment adjustment operation, and obtaining a second analysis result corresponding to the second signal intensity according to the second signal intensity and the signal intensity threshold range, wherein the second analysis result is used as the input data of the next circulation of the control circulation operation; wherein the device adjustment operation includes: one of a self-checking operation of the DSRC switching device, a communication redundancy operation of the DSRC switching device, and a noise reduction operation.
In this embodiment, the performing the device adjustment operation according to the cyclic order includes:
judging the circulation order;
if the current circulation order is the first time, executing the self-checking operation of the DSRC switch equipment;
If the current cycle order is the second time, performing a communication redundancy operation of the DSRC switching device;
if the current circulation order is the third time, the interference reducing operation is executed.
To better illustrate, when the first analysis result is that the signal is abnormal during the first execution of the control loop operation, performing a self-checking operation of the DSRC switching device, and after the self-checking operation is completed, re-acquiring the second signal strength of the DSRC control signal and acquiring a second analysis result of the second signal strength;
Performing a second control loop operation based on a second analysis result, outputting a prompt that the DSRC switching device is normal when the second analysis result is that the signal is normal, stopping the control loop operation, and controlling the DSRC switching device to be turned off after the charging device finishes charging the ETC device; when the second analysis result is that the signal is abnormal, executing communication redundancy operation of the DSRC switch equipment, and after completing the communication redundancy operation, re-acquiring third signal intensity of the DSRC control signal and acquiring a third analysis result of the third signal intensity;
Executing a third control loop operation based on a third analysis result, outputting a prompt that the DSRC switch equipment is normal when the third analysis result is that the signal is normal, stopping the control loop operation, and controlling the turn-off of the DSRC switch equipment after the charging equipment finishes charging the ETC equipment; when the third analysis result is that the signal is abnormal, performing interference reduction operation, and after the interference reduction operation is completed, re-acquiring the fourth signal intensity of the DSRC control signal and acquiring a fourth analysis result of the fourth signal intensity;
Performing fourth-time (namely, the threshold value of the cycle times) control cycle operation based on a fourth analysis result, outputting a prompt that DSRC switching equipment is normal when the fourth analysis result is that a signal is normal, stopping the control cycle operation, and controlling the turn-off of the DSRC switching equipment after charging equipment finishes charging ETC equipment; and outputting a prompt of abnormal signal transmission of the DSRC switching equipment when the fourth analysis result is that the signal is abnormal.
In this embodiment, after the device adjustment operation is performed according to the cyclic order, it further includes:
Recording an adjustment result after adjustment operation of each device; the adjusting result of the device adjusting operation comprises: self-checking normal, self-checking abnormal, communication normal and communication abnormal;
after outputting the prompt of abnormal signal transmission of the DSRC switching equipment, analyzing the adjustment result;
if the adjustment result is self-checking abnormality, the operation of the operation hardware or the loading of the software configuration information corresponding to the DSRC switch equipment is abnormal;
If the adjustment result is that the self-check is normal and the communication is abnormal, the communication of the DSRC switch equipment is abnormal;
and if the adjustment result is that the self-check is normal and the communication is normal, the DSRC switch equipment is influenced by an external interference source.
In a specific embodiment, the adjustment result after each device adjustment operation is recorded. The adjustment result comprises self-checking normal, self-checking abnormal, communication normal and communication abnormal; after outputting the prompt of abnormal signal transmission of DSRC switching equipment, analyzing an adjusting result; if the adjustment result is self-checking abnormality, the abnormal problem exists in the operation hardware or software configuration information of the DSRC switch equipment; if the adjustment result is that the self-check is normal but the communication is abnormal, indicating that the communication of the DSRC switch device is abnormal; if the adjustment result is that the self-check is normal and the communication is normal, the DSRC switch equipment is influenced by external interference;
It will be appreciated that we have recorded the results of each adjustment after the device adjustment operation and analyzed these results. From the analysis results, we can determine where the DSRC switching device is problematic. If the self-checking is abnormal, the self-checking is possibly a problem of hardware or software configuration; if the self-test is normal but the communication is abnormal, a problem may occur in the aspect of communication; if the self-test is normal and the communication is normal, the problem may be due to external interference.
In this embodiment, the performing the self-checking operation of the DSRC switching device includes:
Acquiring operation data of each operation hardware of the DSRC switch equipment and loading data of each software configuration information;
If the operation data of each operation hardware are all in the normal operation range threshold value and the loading data of each software configuration information are loaded successfully, completing the execution of the self-checking operation of the DSRC switch equipment, and recording the adjustment result of the current equipment adjustment operation as the self-checking is normal;
If the operation data of the operation hardware is not in the normal operation range threshold value or the loading data of the software configuration information is not loaded successfully, the execution of the self-checking operation of the DSRC switch equipment is completed, and the adjustment result of the current equipment adjustment operation is recorded as the self-checking abnormality.
In a specific embodiment, acquiring operation data of each operation hardware of the DSRC switch device and loading data of each software configuration information;
If the operation data of each operation hardware is within the normal operation range threshold value and the loading data of each software configuration information is successfully loaded, the self-checking operation of the DSRC switch equipment is completed, and the adjustment result of the current equipment adjustment operation is recorded as the self-checking normal;
If the running data of a certain running hardware is not in the normal running range threshold value or the loading data of certain software configuration information is displayed and loaded unsuccessfully, completing the self-checking operation of the DSRC switch equipment, and recording the adjustment result of the current equipment adjustment operation as self-checking abnormality;
Briefly, we perform a self-test operation by obtaining the operation data of the various hardware of the DSRC switching device and the loading data of the software configuration information. If the running data of all hardware are normal and all software configuration information is loaded successfully, the self-checking is normal. Self-test is abnormal if there is any hardware running data exception or any software configuration information is loaded unsuccessfully.
In this embodiment, the performing the communication redundancy operation of the DSRC switching device includes:
starting a standby communication path of the DSRC switch device to enable the DSRC switch device to transmit a DSRC control signal based on the current communication path and the standby communication path;
Performing transmission verification of a preset verification frequency threshold in a current communication path and a standby communication path of the DSRC switch equipment, completing communication redundancy operation of the DSRC switch equipment, and acquiring a final transmission verification result;
If the last transmission verification result is verification failure, recording the adjustment result of the current equipment adjustment operation as communication abnormality;
If the last transmission check result is successful, recording the adjustment result of the current equipment adjustment operation as normal communication.
In a particular embodiment, the alternate communication path of the DSRC switching device is enabled such that the DSRC switching device can transmit DSRC control signals based on the current communication path and the alternate communication path; performing transmission verification of a preset verification frequency threshold in a current communication path and a standby communication path of DSRC switch equipment, completing communication redundancy operation, and acquiring a final transmission verification result; if the last transmission verification result is that verification fails, recording the adjustment result of the current equipment adjustment operation as communication abnormality; if the last transmission verification result is successful, recording the adjustment result of the current equipment adjustment operation as normal communication;
Thus, we activate the alternate communication path of the DSRC switching device to allow it to transmit DSRC control signals using both the current communication path and the alternate communication path. And then, transmission verification is carried out in the current communication path and the standby communication path, and whether a preset verification frequency threshold value is met or not is checked. And finally, determining whether the communication is normal according to the transmission check result. If the verification fails, recording communication abnormality; if the verification is successful, the communication is recorded as normal.
In this embodiment, the performing the interference reduction operation includes:
in a vehicle carrying the DSRC switch device, the operation power and the use frequency of the wireless device are reduced, and a standby antenna of the DSRC switch device is started, so that the DSRC switch device transmits DSRC control signals based on the current antenna and the standby antenna.
In a specific embodiment, in a vehicle having a DSRC switching device mounted thereon, the operating power and frequency of use of the wireless device are reduced. This can reduce interference of wireless signals, enabling the DSRC switching device to communicate more stably;
The standby antenna of the DSRC switching device is activated. In this way, the DSRC switching device may transmit DSRC control signals based on the current antenna and the backup antenna;
by reducing the operating power and frequency of use of the wireless device and using the backup antenna, we can reduce interference and improve the communication quality and stability of the DSRC switching device;
It is envisioned that in a vehicle with DSRC switching devices installed, we would reduce the power and frequency of other wireless devices while activating the standby antenna so that the DSRC switching devices can better transmit control signals. This reduces interference and improves the communication efficiency of the DSRC switching device.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a DSRC switch on-off control device based on abnormal optimization of control signals according to an embodiment of the present invention, including: a data acquisition module 201, a data analysis module 202, and a control loop module 203;
The data acquisition module 201 is configured to acquire a first signal strength of a DSRC control signal; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch equipment is arranged in the ETC equipment, and data transmission is carried out between the ETC equipment and the electronic toll collection system;
the data analysis module 202 is configured to obtain a first analysis result corresponding to the first signal strength according to the first signal strength and a signal strength threshold range;
The control loop module 203 is configured to take the first analysis result as input data of a control loop operation, stop the control loop operation when the number of loops of the loop operation reaches a threshold of the number of loops and the input data is abnormal, and output a prompt of signal transmission abnormality of a DSRC switch device;
Wherein the control loop operation includes:
Judging the input data;
If the input data is that the signal is normal, outputting a prompt that the DSRC switching equipment is normal, stopping the control cycle operation, and controlling the turn-off of the DSRC switching equipment after the charging equipment finishes charging the ETC equipment;
If the input data is abnormal, performing equipment adjustment operation according to a circulation order, re-acquiring second signal intensity of a DSRC control signal after performing the equipment adjustment operation, and obtaining a second analysis result corresponding to the second signal intensity according to the second signal intensity and the signal intensity threshold range, wherein the second analysis result is used as the input data of the next circulation of the control circulation operation; wherein the device adjustment operation includes: one of a self-checking operation of the DSRC switching device, a communication redundancy operation of the DSRC switching device, and a noise reduction operation.
It can be understood that the system item embodiment corresponds to the method item embodiment of the present invention, and the DSRC switch on-off control method based on abnormal optimization of the control signal provided by any one of the method item embodiments of the present invention can be implemented.
The present embodiment provides for obtaining a first signal strength of a DSRC control signal; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch equipment is arranged in the ETC equipment, and data transmission is carried out between the ETC equipment and the electronic toll collection system; obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range; taking the first analysis result as input data of control loop operation, stopping the control loop operation when the loop number of the loop operation reaches a loop number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment; and outputting a prompt that the DSRC switching device is normal when the input data is normal, stopping the control cycle operation, and controlling the DSRC switching device to be turned off after the charging device finishes charging the ETC device. The invention obtains the analysis result of the first signal intensity by comparing the first signal intensity of the DSRC control signal with the signal intensity threshold range, performs the device adjustment operation on the analysis result by controlling the circulation operation, and re-obtains the second signal intensity of the DSRC control signal after each device adjustment operation is performed, thereby detecting whether the signal intensity of the DSRC switch device is normal or not after each device adjustment operation, and realizing the automatic adjustment of the DSRC switch device after signal abnormality.
Example two
Referring to fig. 3, fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
A terminal device of this embodiment includes: a processor 301, a memory 302 and a computer program stored in said memory 302 and executable on said processor 301. The processor 301, when executing the computer program, implements the steps of the DSRC switch on-off control method described above that are optimized based on the control signal abnormality in an embodiment, for example, all the steps of the DSRC switch on-off control method that are optimized based on the control signal abnormality shown in fig. 1. Or the processor, when executing the computer program, performs the functions of the modules in the above apparatus embodiments, for example: all the modules of the DSRC switch on-off control device shown in fig. 2 are optimized based on control signal anomalies.
In addition, an embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium includes a stored computer program, and when the computer program runs, the apparatus where the computer readable storage medium is controlled to execute the DSRC switch on/off control method based on abnormal optimization of a control signal according to any one of the embodiments.
It will be appreciated by those skilled in the art that the schematic diagram is merely an example of a terminal device and does not constitute a limitation of the terminal device, and may include more or less components than illustrated, or may combine certain components, or different components, e.g., the terminal device may further include an input-output device, a network access device, a bus, etc.
The Processor 301 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (DIGITAL SIGNAL Processor, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), off-the-shelf Programmable gate array (Field-Programmable GATE ARRAY, FPGA) or other Programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, and the processor 301 is a control center of the terminal device, and connects various parts of the entire terminal device using various interfaces and lines.
The memory 302 may be used to store the computer program and/or module, and the processor 301 may implement various functions of the terminal device by running or executing the computer program and/or module stored in the memory and invoking data stored in the memory 302. The memory 302 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart memory card (SMART MEDIA CARD, SMC), secure Digital (SD) card, flash memory card (FLASH CARD), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
Wherein the terminal device integrated modules/units may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as stand alone products. Based on such understanding, the present invention may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
It should be noted that the above-described apparatus embodiments are merely illustrative, and the units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the invention, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (5)
1. The DSRC switch on-off control method based on abnormal optimization of control signals is characterized by comprising the following steps:
Acquiring a first signal strength of a DSRC control signal; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch equipment is arranged in the ETC equipment, and data transmission is carried out between the ETC equipment and the electronic toll collection system;
obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range;
Taking the first analysis result as input data of control loop operation, stopping the control loop operation when the loop number of the loop operation reaches a loop number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment;
Wherein the control loop operation includes:
Judging the input data;
If the input data is that the signal is normal, outputting a prompt that the DSRC switching equipment is normal, stopping the control cycle operation, and controlling the turn-off of the DSRC switching equipment after the charging equipment finishes charging the ETC equipment;
If the input data is abnormal, performing equipment adjustment operation according to a circulation order, re-acquiring second signal intensity of a DSRC control signal after performing the equipment adjustment operation, and obtaining a second analysis result corresponding to the second signal intensity according to the second signal intensity and the signal intensity threshold range, wherein the second analysis result is used as the input data of the next circulation of the control circulation operation; wherein the device adjustment operation includes: one of a self-checking operation of the DSRC switching device, a communication redundancy operation of the DSRC switching device, and a noise reduction operation;
The performing device adjustment operations according to a round robin order includes:
judging the circulation order;
if the current circulation order is the first time, executing the self-checking operation of the DSRC switch equipment;
If the current cycle order is the second time, performing a communication redundancy operation of the DSRC switching device;
if the current circulation order is the third time, executing interference reduction operation;
after the performing the device adjustment operation according to the loop order, further comprising:
Recording an adjustment result after adjustment operation of each device; the adjusting result of the device adjusting operation comprises: self-checking normal, self-checking abnormal, communication normal and communication abnormal;
after outputting the prompt of abnormal signal transmission of the DSRC switching equipment, analyzing the adjustment result;
if the adjustment result is self-checking abnormality, the operation of the operation hardware or the loading of the software configuration information corresponding to the DSRC switch equipment is abnormal;
If the adjustment result is that the self-check is normal and the communication is abnormal, the communication of the DSRC switch equipment is abnormal;
if the adjustment result is that the self-check is normal and the communication is normal, the DSRC switch equipment is influenced by an external interference source;
the performing a self-test operation of the DSRC switching device includes:
Acquiring operation data of each operation hardware of the DSRC switch equipment and loading data of each software configuration information;
If the operation data of each operation hardware are all in the normal operation range threshold value and the loading data of each software configuration information are loaded successfully, completing the execution of the self-checking operation of the DSRC switch equipment, and recording the adjustment result of the current equipment adjustment operation as the self-checking is normal;
if the operation data of the operation hardware is not in the normal operation range threshold value or the loading data of the software configuration information is not loaded successfully, completing the execution of the self-checking operation of the DSRC switch equipment, and recording the adjustment result of the current equipment adjustment operation as self-checking abnormality;
The performing communication redundancy operations of the DSRC switching device includes:
starting a standby communication path of the DSRC switch device to enable the DSRC switch device to transmit a DSRC control signal based on the current communication path and the standby communication path;
Performing transmission verification of a preset verification frequency threshold in a current communication path and a standby communication path of the DSRC switch equipment, completing communication redundancy operation of the DSRC switch equipment, and acquiring a final transmission verification result;
If the last transmission verification result is verification failure, recording the adjustment result of the current equipment adjustment operation as communication abnormality;
if the last transmission verification result is successful, recording the adjustment result of the current equipment adjustment operation as normal communication;
the performing a noise reduction operation includes:
in a vehicle carrying the DSRC switch device, the operation power and the use frequency of the wireless device are reduced, and a standby antenna of the DSRC switch device is started, so that the DSRC switch device transmits DSRC control signals based on the current antenna and the standby antenna.
2. The DSRC switch on-off control method based on abnormal optimization of control signals according to claim 1, wherein the obtaining the first analysis result corresponding to the first signal strength according to the first signal strength and the signal strength threshold range comprises:
according to the brand and model of the DSRC switch equipment, calling a signal strength threshold range corresponding to the DSRC switch equipment in a preset DSRC switch equipment database; wherein the DSRC switching device database comprises: a plurality of DSRC switch devices, each DSRC switch device corresponding to a brand, model and signal strength threshold range;
judging whether the first signal strength is in the signal strength threshold range or not;
If yes, a first analysis result corresponding to the first signal intensity is that the signal is normal;
if not, the first analysis result corresponding to the first signal intensity is signal abnormality.
3. A DSRC switch on-off control device based on control signal anomaly optimization, comprising: the system comprises a data acquisition module, a data analysis module and a control circulation module;
the data acquisition module is used for acquiring first signal strength of a DSRC control signal; wherein the DSRC control signal is transmitted by a DSRC switching device; the DSRC switch equipment is arranged in the ETC equipment, and data transmission is carried out between the ETC equipment and the electronic toll collection system;
the data analysis module is used for obtaining a first analysis result corresponding to the first signal intensity according to the first signal intensity and the signal intensity threshold range;
the control cycle module is used for taking the first analysis result as input data of control cycle operation, stopping the control cycle operation when the cycle number of the cycle operation reaches a cycle number threshold value and the input data is signal abnormality, and outputting a prompt of signal transmission abnormality of DSRC switch equipment;
Wherein the control loop operation includes:
Judging the input data;
If the input data is that the signal is normal, outputting a prompt that the DSRC switching equipment is normal, stopping the control cycle operation, and controlling the turn-off of the DSRC switching equipment after the charging equipment finishes charging the ETC equipment;
If the input data is abnormal, performing equipment adjustment operation according to a circulation order, re-acquiring second signal intensity of a DSRC control signal after performing the equipment adjustment operation, and obtaining a second analysis result corresponding to the second signal intensity according to the second signal intensity and the signal intensity threshold range, wherein the second analysis result is used as the input data of the next circulation of the control circulation operation; wherein the device adjustment operation includes: one of a self-checking operation of the DSRC switching device, a communication redundancy operation of the DSRC switching device, and a noise reduction operation;
The performing device adjustment operations according to a round robin order includes:
judging the circulation order;
if the current circulation order is the first time, executing the self-checking operation of the DSRC switch equipment;
If the current cycle order is the second time, performing a communication redundancy operation of the DSRC switching device;
if the current circulation order is the third time, executing interference reduction operation;
after the performing the device adjustment operation according to the loop order, further comprising:
Recording an adjustment result after adjustment operation of each device; the adjusting result of the device adjusting operation comprises: self-checking normal, self-checking abnormal, communication normal and communication abnormal;
after outputting the prompt of abnormal signal transmission of the DSRC switching equipment, analyzing the adjustment result;
if the adjustment result is self-checking abnormality, the operation of the operation hardware or the loading of the software configuration information corresponding to the DSRC switch equipment is abnormal;
If the adjustment result is that the self-check is normal and the communication is abnormal, the communication of the DSRC switch equipment is abnormal;
if the adjustment result is that the self-check is normal and the communication is normal, the DSRC switch equipment is influenced by an external interference source;
the performing a self-test operation of the DSRC switching device includes:
Acquiring operation data of each operation hardware of the DSRC switch equipment and loading data of each software configuration information;
If the operation data of each operation hardware are all in the normal operation range threshold value and the loading data of each software configuration information are loaded successfully, completing the execution of the self-checking operation of the DSRC switch equipment, and recording the adjustment result of the current equipment adjustment operation as the self-checking is normal;
if the operation data of the operation hardware is not in the normal operation range threshold value or the loading data of the software configuration information is not loaded successfully, completing the execution of the self-checking operation of the DSRC switch equipment, and recording the adjustment result of the current equipment adjustment operation as self-checking abnormality;
The performing communication redundancy operations of the DSRC switching device includes:
starting a standby communication path of the DSRC switch device to enable the DSRC switch device to transmit a DSRC control signal based on the current communication path and the standby communication path;
Performing transmission verification of a preset verification frequency threshold in a current communication path and a standby communication path of the DSRC switch equipment, completing communication redundancy operation of the DSRC switch equipment, and acquiring a final transmission verification result;
If the last transmission verification result is verification failure, recording the adjustment result of the current equipment adjustment operation as communication abnormality;
if the last transmission verification result is successful, recording the adjustment result of the current equipment adjustment operation as normal communication;
the performing a noise reduction operation includes:
in a vehicle carrying the DSRC switch device, the operation power and the use frequency of the wireless device are reduced, and a standby antenna of the DSRC switch device is started, so that the DSRC switch device transmits DSRC control signals based on the current antenna and the standby antenna.
4. A computer terminal device comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, the processor implementing a DSRC switch on-off control method based on control signal anomaly optimization as claimed in any one of claims 1 to 2 when the computer program is executed.
5. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored computer program, wherein the computer program, when run, controls a device in which the computer readable storage medium is located to execute a DSRC switch on/off control method based on abnormal optimization of a control signal as claimed in any one of claims 1 to 2.
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