CN113777988A - Set target operation mode correction system - Google Patents
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- CN113777988A CN113777988A CN202111073372.3A CN202111073372A CN113777988A CN 113777988 A CN113777988 A CN 113777988A CN 202111073372 A CN202111073372 A CN 202111073372A CN 113777988 A CN113777988 A CN 113777988A
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention relates to a set target operation mode correction system, which comprises: the parameter correction component is connected with a dummy arm of a waving flag of a roadside waving flag dummy in front of the expressway maintenance section and used for adjusting waving frequency of the dummy arm based on the received current driving rate of the nearest vehicle object; and the embedded processor is embedded in the body of the roadside flag waving dummy and used for stopping executing the waving action of the arms of the dummy when the received current running speed of the nearest vehicle object is less than or equal to a preset speed limit. According to the method and the device, the driving speed of the nearest vehicle in front of the highway maintenance section can be analyzed in real time by adopting a dynamic video analysis mechanism, and the timing and the swinging frequency for executing the flag swinging action of the roadside flag swinging dummy in front of the highway maintenance section are automatically corrected based on the analyzed driving speed, so that the number of constructors on the highway is reduced.
Description
Technical Field
The invention relates to the field of automatic control, in particular to a set target operation mode correction system.
Background
The FCS is developed from DCS, and has a qualitative leap just like the DCS is developed from CCS. The 'decentralized control' is developed into 'field control'; the data transmission adopts a bus mode. But the FCS is really different from DCS in that FCS has a wider development space. Although the technical level of the traditional DCS is continuously improved, the lowest end of a communication network only reaches the first level of a field control station, 4-20mA analog signals transmitted in a one-to-one mode are still adopted for the connection between the field control station and a field detection instrument and an actuator, the cost is high, the efficiency is low, the maintenance is difficult, the intelligent potential of the field instrument cannot be exerted, and the comprehensive monitoring and deep management of the working state of field equipment are realized. The field bus is a communication link which is connected with intelligent measuring and controlling equipment in an all-digital and two-way transmission mode and has a multi-node branch structure. In short, the conventional control is a loop, and the FCS technology is that various modules such as controllers, actuators, detectors, etc. are hung on a bus to realize communication, i.e. digital signals are transmitted. The main buses are Profibus, LonWorks, etc. At present, because it has certain danger to adopt the staff to instruct on highway, can select to adopt the roadside in highway maintenance highway section the place ahead to wave the flag dummy and carry out and wave the flag action in order to carry out the speed reduction and remind the operation to the vehicle that is about to approach, however, the flag that is adopted to the vehicle that is about to approach of different rates of travel wave the frequency the same at present, can't realize differentiated speed reduction suggestion effect.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides a set target operation mode correction system, which can analyze the running speed of a nearest vehicle in front of a highway maintenance section in real time by adopting a dynamic video analysis mechanism, and automatically correct the timing and the waving frequency of waving a flag of a roadside flag waving dummy in front of the highway maintenance section based on the analyzed running speed, thereby finishing the differential deceleration prompt of vehicles with different speeds.
Therefore, the invention at least needs to have the following outstanding substantive characteristics:
(1) deciding whether to start a waving flag action of a roadside flag waving dummy in front of the expressway maintenance section based on the current driving rate of the recent vehicle object and correcting the waving frequency of the waving flag of the roadside flag waving dummy in real time based on the current driving rate of the recent vehicle object upon the determination of the start, thereby replacing a real person with a dummy to reduce the number of maintenance personnel;
(2) the current driving speed of the nearest vehicle object is dynamically analyzed based on each depth of field data in the real-time acquisition frame corresponding to the nearest vehicle object close to the maintenance road section at each moment, so that effective information is provided for subsequent parameter adjustment.
According to an aspect of the present invention, there is provided a set target operation mode correction system, the system including:
and the parameter correction component is connected with a dummy arm of a waving flag of a roadside waving flag dummy in front of the expressway maintenance section and used for adjusting waving frequency of the dummy arm based on the received current driving rate of the nearest vehicle object.
More specifically, in the set target operation mode correction system, the system further includes:
and the embedded processor is embedded in the body of the roadside flag waving dummy and used for stopping executing the waving action of the arms of the dummy when the received current running speed of the nearest vehicle object is less than or equal to a preset speed limit.
More specifically, in the set target operation mode correction system, the system further includes:
the visual monitor is arranged in front of a highway maintenance section and is positioned right below a roadside flag waving dummy for reminding speed reduction, and is used for performing video acquisition on a driving environment in front of the maintenance section to obtain real-time acquisition frames corresponding to acquisition moments at uniform time intervals respectively, wherein the driving environment in front of the maintenance section is a driving environment where vehicles entering the maintenance section are located;
the primary processing device is connected with the visual monitor and used for executing image rendering processing on each received real-time acquisition frame to obtain a corresponding primary processing picture;
the secondary processing device is connected with the primary processing device and is used for executing histogram equalization operation on each received primary processing picture so as to obtain a corresponding secondary processing picture;
a final processing device, connected to the secondary processing device, for performing a recursive filtering operation and a trap filtering operation on each received secondary processed picture to obtain a corresponding final processed picture;
the object analysis mechanism is connected with the final processing device and used for identifying each object distribution area where each vehicle body object in each final processing picture is respectively positioned based on the standard vehicle body shape;
the vehicle body analysis component is connected with the object analysis mechanism and is used for acquiring each depth of field value corresponding to each vehicle body object in each final-stage processing picture and outputting the vehicle body object with the shallowest depth of field value as the object to be processed;
a numerical analysis component connected to the vehicle body analysis component, configured to use an object to be processed in a final processed picture corresponding to a latest real-time acquisition frame in each real-time acquisition frame as an object to be searched, search the object to be searched in each final processed picture corresponding to each real-time acquisition frame, and obtain each depth of field value corresponding to the object to be searched in each final processed picture;
a rate mapping device, connected to the value analyzing part, for receiving depth values corresponding to the objects to be searched in the final-stage processed pictures, obtaining acquisition times corresponding to the real-time acquisition frames, and calculating a current driving rate of a nearest vehicle object corresponding to the objects to be searched based on a degree of reduction of the depth values corresponding to the acquisition times along a time axis;
wherein the faster the received current driving rate of the nearest vehicle object is, the faster the swing frequency of the dummy arm is adjusted;
the faster the reduction degree of each depth of field value corresponding to each acquisition time along a time axis is, the faster the current running speed of the nearest vehicle object corresponding to the object to be searched is calculated;
wherein the rate mapping device is wirelessly connected with the parameter modification component and the embedded processor through wireless communication links, respectively;
and the embedded processor is also used for starting and executing the waving action of the dummy arm when the received current running speed of the nearest vehicle object is greater than the preset speed limit.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram illustrating an internal configuration of a visual monitor of a set target operation mode correction system according to an embodiment of the present invention.
Detailed Description
An embodiment of the set target operation mode correction system of the present invention will be described in detail below.
Since the advent of microprocessors, embedded systems have been rapidly developed, and the embedded processor is certainly the core part of the embedded system, and the embedded processor is directly related to the performance of the whole embedded system. Embedded processors are generally considered to be a generic term for the computational and control core devices in embedded systems. The number of processors with embedded function features in the world is over 1000, and the popular architecture comprises more than 30 series of MCU, MPU and the like. In view of the wide development prospect of embedded systems, many semiconductor manufacturers produce embedded processors in a large scale, and the independent design of processors by companies has become a big trend in the future embedded field, wherein various varieties exist from single-chip computers, DSPs to FPGAs, the speed is faster and faster, the performance is stronger and the price is lower and lower. The addressing space of the embedded processor can be from 64kB to 16MB, the processing speed can reach 2000MIPS at the fastest speed, and the encapsulation is different from 8 pins to 144 pins. At present, because it has certain danger to adopt the staff to instruct on highway, can select to adopt the roadside in highway maintenance highway section the place ahead to wave the flag dummy and carry out and wave the flag action in order to carry out the speed reduction and remind the operation to the vehicle that is about to approach, however, the flag that is adopted to the vehicle that is about to approach of different rates of travel wave the frequency the same at present, can't realize differentiated speed reduction suggestion effect.
In order to overcome the defects, the invention builds a set target operation mode correction system, and can effectively solve the corresponding technical problem.
The set target operation mode correction system shown according to the embodiment of the present invention includes:
and the parameter correction component is connected with a dummy arm of a waving flag of a roadside waving flag dummy in front of the expressway maintenance section and used for adjusting waving frequency of the dummy arm based on the received current driving rate of the nearest vehicle object.
Next, a specific configuration of the set target operation mode correction system according to the present invention will be further described.
The set target operation mode correction system may further include:
and the embedded processor is embedded in the body of the roadside flag waving dummy and used for stopping executing the waving action of the arms of the dummy when the received current running speed of the nearest vehicle object is less than or equal to a preset speed limit.
The set target operation mode correction system may further include:
the visual monitor is arranged in front of a maintenance road section of an expressway, is positioned right below a roadside flag waving dummy for reminding speed reduction, and is used for performing video acquisition on a driving environment in front of the maintenance road section to obtain real-time acquisition frames corresponding to acquisition moments at uniform time intervals, wherein the driving environment in front of the maintenance road section is a driving environment where vehicles entering the maintenance road section are located;
the primary processing device is connected with the visual monitor and used for executing image rendering processing on each received real-time acquisition frame to obtain a corresponding primary processing picture;
the secondary processing device is connected with the primary processing device and is used for executing histogram equalization operation on each received primary processing picture so as to obtain a corresponding secondary processing picture;
a final processing device, connected to the secondary processing device, for performing a recursive filtering operation and a trap filtering operation on each received secondary processed picture to obtain a corresponding final processed picture;
the object analysis mechanism is connected with the final processing device and used for identifying each object distribution area where each vehicle body object in each final processing picture is respectively positioned based on the standard vehicle body shape;
the vehicle body analysis component is connected with the object analysis mechanism and is used for acquiring each depth of field value corresponding to each vehicle body object in each final-stage processing picture and outputting the vehicle body object with the shallowest depth of field value as the object to be processed;
a numerical analysis component connected to the vehicle body analysis component, configured to use an object to be processed in a final processed picture corresponding to a latest real-time acquisition frame in each real-time acquisition frame as an object to be searched, search the object to be searched in each final processed picture corresponding to each real-time acquisition frame, and obtain each depth of field value corresponding to the object to be searched in each final processed picture;
a rate mapping device, connected to the value analyzing part, for receiving depth values corresponding to the objects to be searched in the final-stage processed pictures, obtaining acquisition times corresponding to the real-time acquisition frames, and calculating a current driving rate of a nearest vehicle object corresponding to the objects to be searched based on a degree of reduction of the depth values corresponding to the acquisition times along a time axis;
wherein the faster the received current driving rate of the nearest vehicle object is, the faster the swing frequency of the dummy arm is adjusted;
the faster the reduction degree of each depth of field value corresponding to each acquisition time along a time axis is, the faster the current running speed of the nearest vehicle object corresponding to the object to be searched is calculated;
wherein the rate mapping device is wirelessly connected with the parameter modification component and the embedded processor through wireless communication links, respectively;
and the embedded processor is also used for starting and executing the waving action of the dummy arm when the received current running speed of the nearest vehicle object is greater than the preset speed limit.
In the set target operation mode correction system:
the voltage conversion mechanism provides the required operating voltages for the numerical analysis component and the rate mapping device through the execution of a voltage conversion operation.
The set target operation mode correction system may further include:
and the UART communication interface is respectively connected with the numerical value analysis part and the rate mapping device and is used for respectively providing various working parameters for the numerical value analysis part and the rate mapping device.
In the set target operation mode correction system:
the distance from the voltage conversion mechanism, the power supply voltage stabilizing equipment and the region where the mains supply connection interface is located to the numerical value analysis component exceeds a preset distance threshold value so as to reduce electromagnetic radiation to the numerical value analysis component.
The set target operation mode correction system may further include:
and the current detection mechanism is connected with the numerical analysis component and is used for detecting the internal current of the numerical analysis component at each working moment.
The set target operation mode correction system may further include:
and the abnormality analysis equipment is connected with the current detection mechanism and is used for judging whether the numerical analysis component is excessively supplied with current or not based on the internal current of each working moment of the numerical analysis component.
The set target operation mode correction system may further include:
the field warning mechanism is connected with the abnormity analysis equipment and is used for carrying out red light highlight display when the abnormity analysis equipment judges that the numerical analysis component is excessively supplied with current;
the on-site warning mechanism is further used for carrying out blue light highlight display when the abnormality analysis equipment judges that the numerical analysis component is not excessively supplied with current;
the field warning mechanism is arranged on the left side of the numerical value analysis component and comprises a microcontroller, a red LED matrix and a blue LED matrix.
And in the set target operation mode correction system:
the abnormality analysis device is arranged on the right side of the numerical analysis component and shares the same storage chip with the field warning mechanism and the current detection mechanism.
In addition, in the set target operation mode correction system, the abnormality analysis device is disposed on the right side of the numerical analysis component, and the same memory chip shared by the field warning mechanism and the current detection mechanism is an EDO (extended Data out) DRAM memory chip, which is 5% faster than the FPM EDO DRAM memory chip because a logic circuit is disposed in the EDO, whereby the EDO can read the next Data into the memory before the reading of the previous memory Data is completed. The EDO DRAM designed as system memory is originally very expensive, and is widely used in the fifth generation of PCs because the PC market is demanding a product to replace the FPM DRAM. The EDO video memory can work at 75MHz or higher, but the standard working frequency is 66MHz, but the speed cannot meet the requirement of a display chip.
By adopting the set target operation mode correction system, aiming at the technical problem that differential management and control reminding cannot be realized for different approaching vehicle speeds in the prior art, the driving speed of the nearest vehicle in front of the highway maintenance section can be analyzed in real time by adopting a dynamic video analysis mechanism, and the opportunity and the waving frequency for waving a flag of a roadside flag waving dummy in front of the highway maintenance section are automatically corrected based on the analyzed driving speed, so that the number of constructors on the highway is reduced.
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (10)
1. A set target operating mode correction system, the system comprising:
and the parameter correction component is connected with a dummy arm of a waving flag of a roadside waving flag dummy in front of the expressway maintenance section and used for adjusting waving frequency of the dummy arm based on the received current driving rate of the nearest vehicle object.
2. The set target operation mode correction system as claimed in claim 1, characterized in that the system further comprises:
and the embedded processor is embedded in the body of the roadside flag waving dummy and used for stopping executing the waving action of the arms of the dummy when the received current running speed of the nearest vehicle object is less than or equal to a preset speed limit.
3. The set target operation mode correction system according to claim 2, characterized in that the system further comprises:
the visual monitor is arranged in front of a highway maintenance section and is positioned right below a roadside flag waving dummy for reminding speed reduction, and is used for performing video acquisition on a driving environment in front of the maintenance section to obtain real-time acquisition frames corresponding to acquisition moments at uniform time intervals respectively, wherein the driving environment in front of the maintenance section is a driving environment where vehicles entering the maintenance section are located;
the primary processing device is connected with the visual monitor and used for executing image rendering processing on each received real-time acquisition frame to obtain a corresponding primary processing picture;
the secondary processing device is connected with the primary processing device and is used for executing histogram equalization operation on each received primary processing picture so as to obtain a corresponding secondary processing picture;
a final processing device, connected to the secondary processing device, for performing a recursive filtering operation and a trap filtering operation on each received secondary processed picture to obtain a corresponding final processed picture;
the object analysis mechanism is connected with the final processing device and used for identifying each object distribution area where each vehicle body object in each final processing picture is respectively positioned based on the standard vehicle body shape;
the vehicle body analysis component is connected with the object analysis mechanism and is used for acquiring each depth of field value corresponding to each vehicle body object in each final-stage processing picture and outputting the vehicle body object with the shallowest depth of field value as the object to be processed;
a numerical analysis component connected to the vehicle body analysis component, configured to use an object to be processed in a final processed picture corresponding to a latest real-time acquisition frame in each real-time acquisition frame as an object to be searched, search the object to be searched in each final processed picture corresponding to each real-time acquisition frame, and obtain each depth of field value corresponding to the object to be searched in each final processed picture;
a rate mapping device, connected to the value analyzing part, for receiving depth values corresponding to the objects to be searched in the final-stage processed pictures, obtaining acquisition times corresponding to the real-time acquisition frames, and calculating a current driving rate of a nearest vehicle object corresponding to the objects to be searched based on a degree of reduction of the depth values corresponding to the acquisition times along a time axis;
wherein the faster the received current driving rate of the nearest vehicle object is, the faster the swing frequency of the dummy arm is adjusted;
the faster the reduction degree of each depth of field value corresponding to each acquisition time along a time axis is, the faster the current running speed of the nearest vehicle object corresponding to the object to be searched is calculated;
wherein the rate mapping device is wirelessly connected with the parameter modification component and the embedded processor through wireless communication links, respectively;
and the embedded processor is also used for starting and executing the waving action of the dummy arm when the received current running speed of the nearest vehicle object is greater than the preset speed limit.
4. The set target operation mode correction system according to claim 3, characterized in that:
the voltage conversion mechanism provides the required operating voltages for the numerical analysis component and the rate mapping device through the execution of a voltage conversion operation.
5. The set target operation mode correction system as claimed in claim 3, further comprising:
and the UART communication interface is respectively connected with the numerical value analysis part and the rate mapping device and is used for respectively providing various working parameters for the numerical value analysis part and the rate mapping device.
6. The set target operation mode correction system according to claim 3, characterized in that:
the distance from the voltage conversion mechanism, the power supply voltage stabilizing equipment and the region where the mains supply connection interface is located to the numerical value analysis component exceeds a preset distance threshold value so as to reduce electromagnetic radiation to the numerical value analysis component.
7. The set target operation mode correction system according to claim 3, characterized in that the system further comprises:
and the current detection mechanism is connected with the numerical analysis component and is used for detecting the internal current of the numerical analysis component at each working moment.
8. The set target operation mode correction system as claimed in claim 7, characterized in that the system further comprises:
and the abnormality analysis equipment is connected with the current detection mechanism and is used for judging whether the numerical analysis component is excessively supplied with current or not based on the internal current of each working moment of the numerical analysis component.
9. The set target operation mode correction system as claimed in claim 8, characterized in that the system further comprises:
the field warning mechanism is connected with the abnormity analysis equipment and is used for carrying out red light highlight display when the abnormity analysis equipment judges that the numerical analysis component is excessively supplied with current;
the on-site warning mechanism is further used for carrying out blue light highlight display when the abnormality analysis equipment judges that the numerical analysis component is not excessively supplied with current;
the field warning mechanism is arranged on the left side of the numerical value analysis component and comprises a microcontroller, a red LED matrix and a blue LED matrix.
10. The set target operation mode correction system according to claim 3, characterized in that:
the abnormality analysis device is arranged on the right side of the numerical analysis component and shares the same storage chip with the field warning mechanism and the current detection mechanism.
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| CN202111073372.3A CN113777988A (en) | 2021-09-14 | 2021-09-14 | Set target operation mode correction system |
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| CN202111073372.3A CN113777988A (en) | 2021-09-14 | 2021-09-14 | Set target operation mode correction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706890A (en) * | 2021-09-15 | 2021-11-26 | 无锡联友塑业有限公司 | Action correcting platform controlled by microcomputer |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113706890A (en) * | 2021-09-15 | 2021-11-26 | 无锡联友塑业有限公司 | Action correcting platform controlled by microcomputer |
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