CN104882014A - Vehicle guidance system and control method thereof - Google Patents
Vehicle guidance system and control method thereof Download PDFInfo
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- CN104882014A CN104882014A CN201510215881.3A CN201510215881A CN104882014A CN 104882014 A CN104882014 A CN 104882014A CN 201510215881 A CN201510215881 A CN 201510215881A CN 104882014 A CN104882014 A CN 104882014A
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Abstract
A vehicle guidance system consists of an environmental state monitoring device, a plurality of vehicle position detection devices and a vehicle-mounted device; the plurality of vehicle position detection devices are arranged along an extending direction of a guidance road segment, and the vehicle-mounted device is arranged on a vehicle; the environmental state monitoring device is electrically connected with a triggering device, and a termination device and a follow-up device are electrically connected with the triggering device; each vehicle position detection device can communicate with the vehicle-mounted device in a radio frequency communication mode; the environmental state monitoring device can monitor the environmental state of a region where the guidance road segment is; the vehicle position detection devices can detect whether a vehicle passes on the corresponding road segment; and the vehicle-mounted device can analyze radio frequency signals sent by the vehicle position detection devices and shows analyzed information to a driver and a passenger. The vehicle guidance system provided by the invention has the beneficial technical effects of being capable of guiding the vehicle to safely pass the road segment in a fogging period, enabling an expressway to bear certain traffic flow in the fogging period, and improving the traffic condition in the fogging period.
Description
Technical field
The present invention relates to a kind of means of transportation, particularly relate to a kind of vehicle guidance system and control method thereof.
Background technology
China's area is vast, foggy area is also relatively many, for the highway built in foggy area, when hazing, consider from security standpoint, generally can look-ahead to the appearance in large greasy weather time, the means of normal employing temporary enclosed highway forbid that vehicle sails highway into, because the appearance of dense fog and duration all exist randomness, this brings very large puzzlement with regard to giving the trip of people, and to Expressway Implementing temporary enclosed, some areas are likely caused to occur traffic jam, the situation of bumper-to-bumper, have a strong impact on normal trip, in addition, also need to call a large amount of manpower and materials to Expressway Implementing temporary enclosed, get off all the year round, cost is huge.
Summary of the invention
After hazing there is many drawbacks in the means of temporary enclosed highway, for this problem, inventor considers, vehicle can be induced at the period safety highway that hazes by technological means, thus allow highway also can the certain vehicle flowrate of load safely and reliably in the period of hazing, if this purpose can realize, so just can reduce the trip delay that the situation of hazing causes as much as possible, and can also effectively alleviate because waiting a traffic congestion too much caused of driving a vehicle, in addition, also a large amount of manpower and materials need not be called implement road closure management, the management of effective reduction highway and operation cost, so inventor conducts in-depth research this problem: induction means common on highway generally have electronic display board, hurdle, road clearance light and Dao Bian voice broadcast three kinds, wherein, electronic display board or hang on road surface in fixed installation mode, be mounted on patrol vehicle and carry out Mobile exhibiting, clearance light is generally arranged on the guardrail of both sides, track, these two kinds of induction means all need the vision relying on people, after hazing, especially especially big mist, the appearance of thick fog, road surface visibility and visual range all significantly reduce, the visual range of people is also very limited, in this case, aforesaid two kinds of induction means are just difficult to play a role, although voice broadcasting modes does not rely on the vision of people, there is significant limitation in voice broadcast, cannot carry out accurately, effectively guiding to vehicle, when visibility poor, have little significance, in view of the present situation of this area, inventor has turned one's attention to again other field and has found, during aircraft landing, the situations such as the relative position of runway situation and aircraft and runway are showed driver with the form of electronic image by the various parameters that can send according to airport ground device of airborne device, do not considering under other disturbing factor prerequisites being unfavorable for aircraft landing, this induction mode can under the condition of vision not relying on people, induction driver adjusts flight path and successfully lands, just imagine, if the means of aforesaid induction aircraft landing can be used for inducing vehicle, no matter daytime or night, hazing, even during thick fog, just can when visibility be very low or extremely low, induction vehicle safety passes through highway, thus the traffic improved when hazing, after specify that aforementioned thinking, inventor is studied the implementation condition of this induction means again: this long distance, the airborne equipment technology of extraordinary radar radio band is accurate, price is high, it is unrealistic for directly airborne inducible system being applied on vehicle guidance, so inventor sees existing mobile unit again conversely, along with the progress of technology, Vehicular video radar system, navigation of electronic map system, ETC system (electronic toll collection) etc. are very ripe based on the intelligentized low-cost technologies of embedded chip system, and its short-distance wireless communication technology is as RFID, WiFi, bluetooth, ZigBee etc., and popularity rate is very extensive, in fact the hardware condition realized needed for aforementioned induction thinking has possessed substantially, so inventor has carried out again large quantifier elimination and test, and finally propose the solution of the present invention, concrete scheme is:
The present invention proposes a kind of vehicle guidance system, described vehicle guidance system is made up of ambient condition monitoring device, multiple apparatus for detecting position of vehicle and car-mounted device; Described multiple apparatus for detecting position of vehicle is arranged along track bearing of trend, and described track forms induction section; Described car-mounted device is arranged on vehicle; The apparatus for detecting position of vehicle being positioned at induction porch, section is designated as flip flop equipment, and the apparatus for detecting position of vehicle being positioned at induction exit, section is designated as terminating equipment, and all the other apparatus for detecting position of vehicle are designated as hunting gear; Described ambient condition monitoring device and flip flop equipment are electrically connected, and described terminating equipment and hunting gear are all electrically connected with flip flop equipment; Each apparatus for detecting position of vehicle all can communicate with car-mounted device in radio communication mode; Described ambient condition monitoring device can be monitored the ambient condition of induction region, section and Monitoring Data is sent to flip flop equipment; Described apparatus for detecting position of vehicle can detect, and whether corresponding road section has vehicle to pass through; Described car-mounted device can be resolved the radiofrequency signal that apparatus for detecting position of vehicle sends, and by the information display that parses to driver and crew.
Principle of the present invention is: the multiple apparatus for detecting position of vehicle arranged along track bearing of trend can communicate with car-mounted device in radio communication mode, common practise based on technology for radio frequency is known, the coverage of radiofrequency signal can artificially regulate, as long as the scope in the coverage section administrative with it of the radiofrequency signal that we make single unit vehicle position detecting device launch is substantially suitable, the indirect just equivalent current location residing in induction section in order to vehicle in position that apparatus for detecting position of vehicle is residing in induction section, when car-mounted device by the induction electronic chart in section and aforementioned location information display to driver and crew after, as long as driver follows certain driving norms, even if when hazing, also can according to the induction of vehicle guidance system, pass through highway smoothly, during embody rule, the experience of ETC system can be used for reference: in prior art, generally the gateway place of highway is provided with ETC dedicated Lanes, when applying of the present invention, also can be the vehicle set dedicated Lanes being equipped with corresponding car-mounted device, for the vehicle not carrying corresponding car-mounted device, forbidden after hazing to enter highway,
Application scenario of the present invention mainly contains following several:
One, common freeway management: after hazing, the vehicle being equipped with corresponding car-mounted device enters highway under the management and control of managerial personnel, certainly, managerial personnel need to control the convoy spacing and quantity that enter highway, make highway also can bear certain vehicle flowrate in period of hazing, and some special vehicles (such as enforcement vehicle, breakdown lorry) can also be made, also can in period operation or current on a highway of hazing; They are two years old, the unmanned management of remote districts highway: some regional highway mileage is very long, when there is thick fog in the regional area on highway, all vehicles all must descend road nearby, in this case, the vehicle being equipped with corresponding car-mounted device just need not descend road, can continue to travel (in addition under inducible system guides, administrative authority also can detect the vehicle on road by apparatus for detecting position of vehicle, grasp the situation of Wei Xia road vehicle in time); Its three, the present invention can also be used for the unmanned traffic guidance management in the less remote mountain areas of vehicle, foggy area;
On the basis of aforementioned schemes, the invention allows for following preferred implementation: described apparatus for detecting position of vehicle is made up of infrared sensor, RF signal transmitter and processor; Infrared sensor and RF signal transmitter are all electrically connected with processor; Processor on terminating equipment and hunting gear is all electrically connected with the processor on flip flop equipment; Processor on flip flop equipment and ambient condition monitoring device are electrically connected; Whether infrared sensor has vehicle to pass through for detecting in corresponding road section; RF signal transmitter is used for the radio communication between apparatus for detecting position of vehicle and car-mounted device.
On the basis of aforementioned schemes, the invention allows for following preferred implementation: the setting position place of described apparatus for detecting position of vehicle, be provided with clearance light I, described clearance light I is electrically connected with the processor on the apparatus for detecting position of vehicle of corresponding position.After clearance light I is connected with apparatus for detecting position of vehicle, whether apparatus for detecting position of vehicle can according to vehicle by effectively managing the closedown of clearance light I and lighting, when vehicle is not also by corresponding apparatus for detecting position of vehicle, apparatus for detecting position of vehicle controls clearance light I and lights, after apparatus for detecting position of vehicle detects that vehicle passes through, apparatus for detecting position of vehicle just controls clearance light I and closes, effectively to save the energy.
On the basis of aforementioned schemes, the invention allows for following preferred implementation: described car-mounted device is made up of display module, voice module, radio frequency signal receiver and processing module; Display module, voice module and radio frequency signal receiver are all electrically connected with processing module; Processing module is communicated with apparatus for detecting position of vehicle by radio frequency signal receiver; The radiofrequency signal that processing module energy radio frequency signal receiver receives is resolved, and the information parsed is showed driver and crew by display module and voice module.
On the basis of aforementioned schemes, the invention allows for following preferred implementation: along track bearing of trend, between adjacent two apparatus for detecting position of vehicle, be provided with multiple ultrasonic sensor; Multiple ultrasonic sensors between adjacent two apparatus for detecting position of vehicle are designated as a ultrasonic sensor group, and the ultrasonic sensor in each ultrasonic sensor group is all electrically connected with posterior apparatus for detecting position of vehicle.After being provided with ultrasonic sensor, indirectly be equivalent to the current location of vehicle with ultrasonic sensor position and the information of ultrasonic sensor position is sent to car-mounted device by radiofrequency signal, the accuracy to vehicle location identification can be improved further, improve induction degree of accuracy, and the covering that effectively can also improve surveyed area is comprehensive, whether Timeliness coverage has abnormal conditions (as parked on limit, road in whether there being vehicle);
On the basis of aforementioned schemes, the invention allows for following preferred implementation: the setting position place of each ultrasonic sensor, is provided with clearance light II, the ultrasonic sensor matched each other and clearance light II are connected to same apparatus for detecting position of vehicle.After clearance light II is controlled by corresponding apparatus for detecting position of vehicle, whether apparatus for detecting position of vehicle can cross administrative section according to vehicle controls the closedown of clearance light II or lights, effective use of energy sources.
Based on aforesaid vehicle guidance system, the invention allows for a kind of vehicle guidance system control method, involved hardware as previously mentioned, when specifically controlling, controls vehicle guidance system as follows:
Electronic chart is prestored in described car-mounted device; The position of single position detecting device residing on electronic chart is designated as positional information; The code of corresponding respective positional information is all prestored in each apparatus for detecting position of vehicle; After apparatus for detecting position of vehicle starts, apparatus for detecting position of vehicle to whether respective stretch there being vehicle passes through to carry out continuous detecting, meanwhile, apparatus for detecting position of vehicle also outwards continues to send radiofrequency signal, includes the code corresponding to each apparatus for detecting position of vehicle in each radiofrequency signal; After car-mounted device receives the radiofrequency signal that a certain apparatus for detecting position of vehicle sends, the code in car-mounted device energy radio frequency signal is resolved, and the positional information corresponding to code is presented in a visual manner on electronic chart;
During original state, hunting gear and terminating equipment are in closed condition, flip flop equipment is standby, the ambient condition of ambient condition monitoring device to induction region, section is monitored continuously, and Monitoring Data is sent to flip flop equipment in real time, after flip flop equipment receives Monitoring Data under armed state, flip flop equipment carries out entry condition and judges operation;
Described entry condition judgement operation comprises: the threshold value of Monitoring Data and setting compares by flip flop equipment, if Monitoring Data is in threshold range, then flip flop equipment continues to carry out entry condition judgement operation to the follow-up Monitoring Data received; If Monitoring Data exceeded threshold, then by step 1) to 5) in mode process:
1) flip flop equipment switches to starting state, and meanwhile, flip flop equipment controls hunting gear and terminating equipment switches to armed state, enters step 2);
2) when flip flop equipment has detected that vehicle passes through, flip flop equipment carries out accumulated counts to the quantity of the vehicle passed through, and is designated as access number, simultaneously to the numerical value that vehicle fleet size accumulated counts obtains, flip flop equipment controls hunting gear and terminating equipment switches to starting state, enters step 3);
3) along with vehicle is advanced, vehicle also finally crosses terminating equipment through each hunting gear successively, and when terminating equipment has detected that vehicle crosses, often by a vehicle, terminating equipment just sends to flip flop equipment and once passes through signal; Flip flop equipment receives by after signal, carries out accumulated counts to the number of times received by signal, is designated as out number of channels, enters step 4) to the numerical value obtained by signal number of times accumulated counts;
4), when counting existing change when engaging in this profession, flip flop equipment goes out number of channels and current access number carries out numeric ratio comparatively by current, if the current number of channels numerical value that goes out is less than current access number numerical value, then repeats the operation of step 4); Go out the access number numerical value that number of channels numerical value equals current if current, then enter step 5);
5) after postponing certain hour, flip flop equipment controls hunting gear and terminating equipment switches to armed state, returns step 2);
Step 1) to 5) in the process run, ambient condition monitoring device is still monitored continuously to the ambient condition of induction region, section, and Monitoring Data is sent to flip flop equipment in real time, after flip flop equipment receives Monitoring Data in the start-up conditions, flip flop equipment carries out the operation of closedown condition judgment;
Described closedown condition judgment operation comprises: the threshold value of the Monitoring Data newly received and setting periodically compares by flip flop equipment, if comparative result illustrates that ambient condition takes a turn for the better, induction need not be implemented, after then postponing certain hour, flip flop equipment controls hunting gear and terminating equipment switches to closed condition, meanwhile, flip flop equipment oneself also switches to armed state by access number with after going out number of channels clearing; If comparative result illustrates that ambient condition does not take a turn for the better, then flip flop equipment proceeds to close condition judgment operation; Close condition judgment operation with abovementioned steps 1) to 5) and operation walk abreast.
Aforementioned control method designs for the purpose of Automated condtrol, and during embody rule, the startup of system and closedown as the case may be, can be designed to Non-follow control by those skilled in the art.
On the basis of aforementioned control method, in order to further expand function, the invention allows for following preferred embodiment: in described multiple hunting gear, along vehicle direct of travel, being electrically connected between two adjacent in turn hunting gears; If A device, B device and C device are three hunting gears respectively, and A device, B device and C device three are along vehicle direct of travel arranged adjacent in turn; When B device detected vehicle by time, B device sends the code corresponding to B device to A device and C device simultaneously; After A device and C device receive the code corresponding to B device, using code system corresponding for B device as information, information, when sending radiofrequency signal, outwards sends by A device and C device in the lump, after certain time, A device and C device stop sending information; After car-mounted device receives the radiofrequency signal including information, the positional information corresponding to the code in information is presented on electronic chart by car-mounted device in a visual manner.After adopting this scheme, system just can carry out early warning to human pilot, improves the accuracy of induction; If the ultrasonic sensor scheme in this improvement project and aforementioned hardware scheme is combined, best results.
Advantageous Effects of the present invention is: can vehicle safety be induced by section when hazing, and makes highway also can bear certain vehicle flowrate in period of hazing, improves the traffic of period of hazing.
Accompanying drawing explanation
Fig. 1, principle schematic of the present invention;
The electronic schematic diagram of Fig. 2, apparatus for detecting position of vehicle;
The electronic schematic diagram of Fig. 3, car-mounted device;
In figure, each title corresponding to mark is respectively: apparatus for detecting position of vehicle 1, ultrasonic sensor 2, current vehicle 3, infrared sensor 4, RF signal transmitter 5, processor 6, display module 7, voice module 8, radio frequency signal receiver 9, processing module 10.
Embodiment
A kind of vehicle guidance system, its innovation is: described vehicle guidance system is made up of ambient condition monitoring device, multiple apparatus for detecting position of vehicle and car-mounted device; Described multiple apparatus for detecting position of vehicle is arranged along track bearing of trend, and described track forms induction section; Described car-mounted device is arranged on vehicle; The apparatus for detecting position of vehicle being positioned at induction porch, section is designated as flip flop equipment, and the apparatus for detecting position of vehicle being positioned at induction exit, section is designated as terminating equipment, and all the other apparatus for detecting position of vehicle are designated as hunting gear; Described ambient condition monitoring device and flip flop equipment are electrically connected, and described terminating equipment and hunting gear are all electrically connected with flip flop equipment; Each apparatus for detecting position of vehicle all can communicate with car-mounted device in radio communication mode; Described ambient condition monitoring device can be monitored the ambient condition of induction region, section and Monitoring Data is sent to flip flop equipment; Described apparatus for detecting position of vehicle can detect, and whether corresponding road section has vehicle to pass through; Described car-mounted device can be resolved the radiofrequency signal that apparatus for detecting position of vehicle sends, and by the information display that parses to driver and crew.
Further, described apparatus for detecting position of vehicle is made up of infrared sensor, RF signal transmitter and processor; Infrared sensor and RF signal transmitter are all electrically connected with processor; Processor on terminating equipment and hunting gear is all electrically connected with the processor on flip flop equipment; Processor on flip flop equipment and ambient condition monitoring device are electrically connected; Whether infrared sensor has vehicle to pass through for detecting in corresponding road section; RF signal transmitter is used for the radio communication between apparatus for detecting position of vehicle and car-mounted device.
Further, the setting position place of described apparatus for detecting position of vehicle, is provided with clearance light I, and described clearance light I is electrically connected with the processor on the apparatus for detecting position of vehicle of corresponding position.
Further, described car-mounted device is made up of display module, voice module, radio frequency signal receiver and processing module; Display module, voice module and radio frequency signal receiver are all electrically connected with processing module; Processing module is communicated with apparatus for detecting position of vehicle by radio frequency signal receiver; The radiofrequency signal that processing module energy radio frequency signal receiver receives is resolved, and the information parsed is showed driver and crew by display module and voice module.
Further, along track bearing of trend, between adjacent two apparatus for detecting position of vehicle, be provided with multiple ultrasonic sensor; Multiple ultrasonic sensors between adjacent two apparatus for detecting position of vehicle are designated as a ultrasonic sensor group, and the ultrasonic sensor in each ultrasonic sensor group is all electrically connected with posterior apparatus for detecting position of vehicle.
Further, the setting position place of each ultrasonic sensor, is provided with clearance light II, and the ultrasonic sensor matched each other and clearance light II are connected to same apparatus for detecting position of vehicle.
A kind of vehicle guidance system control method, involved hardware comprises vehicle guidance system, and described vehicle guidance system is made up of ambient condition monitoring device, multiple apparatus for detecting position of vehicle and car-mounted device; Described multiple apparatus for detecting position of vehicle is arranged along track bearing of trend, and described track forms induction section; Described car-mounted device is arranged on vehicle; The apparatus for detecting position of vehicle being positioned at induction porch, section is designated as flip flop equipment, and the apparatus for detecting position of vehicle being positioned at induction exit, section is designated as terminating equipment, and all the other apparatus for detecting position of vehicle are designated as hunting gear; Described ambient condition monitoring device and flip flop equipment are electrically connected, and described terminating equipment and hunting gear are all electrically connected with flip flop equipment; Each apparatus for detecting position of vehicle all can communicate with car-mounted device in radio communication mode; Described ambient condition monitoring device can be monitored the ambient condition of induction region, section and Monitoring Data is sent to flip flop equipment; Described apparatus for detecting position of vehicle can detect, and whether corresponding road section has vehicle to pass through; Described car-mounted device can be resolved the radiofrequency signal that apparatus for detecting position of vehicle sends, and by the information display that parses to driver and crew; Its innovation is: control vehicle guidance system as follows:
Electronic chart is prestored in described car-mounted device; The position of single position detecting device residing on electronic chart is designated as positional information; The code of corresponding respective positional information is all prestored in each apparatus for detecting position of vehicle; After apparatus for detecting position of vehicle starts, apparatus for detecting position of vehicle to whether respective stretch there being vehicle passes through to carry out continuous detecting, meanwhile, apparatus for detecting position of vehicle also outwards continues to send radiofrequency signal, includes the code corresponding to each apparatus for detecting position of vehicle in each radiofrequency signal; After car-mounted device receives the radiofrequency signal that a certain apparatus for detecting position of vehicle sends, the code in car-mounted device energy radio frequency signal is resolved, and the positional information corresponding to code is presented in a visual manner on electronic chart;
During original state, hunting gear and terminating equipment are in closed condition, flip flop equipment is standby, the ambient condition of ambient condition monitoring device to induction region, section is monitored continuously, and Monitoring Data is sent to flip flop equipment in real time, after flip flop equipment receives Monitoring Data under armed state, flip flop equipment carries out entry condition and judges operation;
Described entry condition judgement operation comprises: the threshold value of Monitoring Data and setting compares by flip flop equipment, if Monitoring Data is in threshold range, then flip flop equipment continues to carry out entry condition judgement operation to the follow-up Monitoring Data received; If Monitoring Data exceeded threshold, then by step 1) to 5) in mode process:
1) flip flop equipment switches to starting state, and meanwhile, flip flop equipment controls hunting gear and terminating equipment switches to armed state, enters step 2);
2) when flip flop equipment has detected that vehicle passes through, flip flop equipment carries out accumulated counts to the quantity of the vehicle passed through, and is designated as access number, simultaneously to the numerical value that vehicle fleet size accumulated counts obtains, flip flop equipment controls hunting gear and terminating equipment switches to starting state, enters step 3);
3) along with vehicle is advanced, vehicle also finally crosses terminating equipment through each hunting gear successively, and when terminating equipment has detected that vehicle crosses, often by a vehicle, terminating equipment just sends to flip flop equipment and once passes through signal; Flip flop equipment receives by after signal, carries out accumulated counts to the number of times received by signal, is designated as out number of channels, enters step 4) to the numerical value obtained by signal number of times accumulated counts;
4), when counting existing change when engaging in this profession, flip flop equipment goes out number of channels and current access number carries out numeric ratio comparatively by current, if the current number of channels numerical value that goes out is less than current access number numerical value, then repeats the operation of step 4); Go out the access number numerical value that number of channels numerical value equals current if current, then enter step 5);
5) after postponing certain hour, flip flop equipment controls hunting gear and terminating equipment switches to armed state, returns step 2);
Step 1) to 5) in the process run, ambient condition monitoring device is still monitored continuously to the ambient condition of induction region, section, and Monitoring Data is sent to flip flop equipment in real time, after flip flop equipment receives Monitoring Data in the start-up conditions, flip flop equipment carries out the operation of closedown condition judgment;
Described closedown condition judgment operation comprises: the threshold value of the Monitoring Data newly received and setting periodically compares by flip flop equipment, if comparative result illustrates that ambient condition takes a turn for the better, induction need not be implemented, after then postponing certain hour, flip flop equipment controls hunting gear and terminating equipment switches to closed condition, meanwhile, flip flop equipment oneself also switches to armed state by access number with after going out number of channels clearing; If comparative result illustrates that ambient condition does not take a turn for the better, then flip flop equipment proceeds to close condition judgment operation; Close condition judgment operation with abovementioned steps 1) to 5) and operation walk abreast.
Further, in described multiple hunting gear, along vehicle direct of travel, be electrically connected between two adjacent in turn hunting gears; If A device, B device and C device are three hunting gears respectively, and A device, B device and C device three are along vehicle direct of travel arranged adjacent in turn; When B device detected vehicle by time, B device sends the code corresponding to B device to A device and C device simultaneously; After A device and C device receive the code corresponding to B device, using code system corresponding for B device as information, information, when sending radiofrequency signal, outwards sends by A device and C device in the lump, after certain time, A device and C device stop sending information; After car-mounted device receives the radiofrequency signal including information, the positional information corresponding to the code in information is presented on electronic chart by car-mounted device in a visual manner.
Claims (8)
1. a vehicle guidance system, is characterized in that: described vehicle guidance system is made up of ambient condition monitoring device, multiple apparatus for detecting position of vehicle and car-mounted device; Described multiple apparatus for detecting position of vehicle is arranged along track bearing of trend, and described track forms induction section; Described car-mounted device is arranged on vehicle; The apparatus for detecting position of vehicle being positioned at induction porch, section is designated as flip flop equipment, and the apparatus for detecting position of vehicle being positioned at induction exit, section is designated as terminating equipment, and all the other apparatus for detecting position of vehicle are designated as hunting gear; Described ambient condition monitoring device and flip flop equipment are electrically connected, and described terminating equipment and hunting gear are all electrically connected with flip flop equipment; Each apparatus for detecting position of vehicle all can communicate with car-mounted device in radio communication mode; Described ambient condition monitoring device can be monitored the ambient condition of induction region, section and Monitoring Data is sent to flip flop equipment; Described apparatus for detecting position of vehicle can detect, and whether corresponding road section has vehicle to pass through; Described car-mounted device can be resolved the radiofrequency signal that apparatus for detecting position of vehicle sends, and by the information display that parses to driver and crew.
2. vehicle guidance system according to claim 1, is characterized in that: described apparatus for detecting position of vehicle is made up of infrared sensor, RF signal transmitter and processor; Infrared sensor and RF signal transmitter are all electrically connected with processor; Processor on terminating equipment and hunting gear is all electrically connected with the processor on flip flop equipment; Processor on flip flop equipment and ambient condition monitoring device are electrically connected; Whether infrared sensor has vehicle to pass through for detecting in corresponding road section; RF signal transmitter is used for the radio communication between apparatus for detecting position of vehicle and car-mounted device.
3. vehicle guidance system according to claim 2, is characterized in that: the setting position place of described apparatus for detecting position of vehicle, is provided with clearance light I, and described clearance light I is electrically connected with the processor on the apparatus for detecting position of vehicle of corresponding position.
4. vehicle guidance system according to claim 1, is characterized in that: described car-mounted device is made up of display module, voice module, radio frequency signal receiver and processing module; Display module, voice module and radio frequency signal receiver are all electrically connected with processing module; Processing module is communicated with apparatus for detecting position of vehicle by radio frequency signal receiver; The radiofrequency signal that processing module energy radio frequency signal receiver receives is resolved, and the information parsed is showed driver and crew by display module and voice module.
5. vehicle guidance system according to claim 1, is characterized in that: along track bearing of trend, is provided with multiple ultrasonic sensor between adjacent two apparatus for detecting position of vehicle; Multiple ultrasonic sensors between adjacent two apparatus for detecting position of vehicle are designated as a ultrasonic sensor group, and the ultrasonic sensor in each ultrasonic sensor group is all electrically connected with posterior apparatus for detecting position of vehicle.
6. vehicle guidance system according to claim 5, is characterized in that: the setting position place of each ultrasonic sensor, is provided with clearance light II, and the ultrasonic sensor matched each other and clearance light II are connected to same apparatus for detecting position of vehicle.
7. a vehicle guidance system control method, involved hardware comprises vehicle guidance system, and described vehicle guidance system is made up of ambient condition monitoring device, multiple apparatus for detecting position of vehicle and car-mounted device; Described multiple apparatus for detecting position of vehicle is arranged along track bearing of trend, and described track forms induction section; Described car-mounted device is arranged on vehicle; The apparatus for detecting position of vehicle being positioned at induction porch, section is designated as flip flop equipment, and the apparatus for detecting position of vehicle being positioned at induction exit, section is designated as terminating equipment, and all the other apparatus for detecting position of vehicle are designated as hunting gear; Described ambient condition monitoring device and flip flop equipment are electrically connected, and described terminating equipment and hunting gear are all electrically connected with flip flop equipment; Each apparatus for detecting position of vehicle all can communicate with car-mounted device in radio communication mode; Described ambient condition monitoring device can be monitored the ambient condition of induction region, section and Monitoring Data is sent to flip flop equipment; Described apparatus for detecting position of vehicle can detect, and whether corresponding road section has vehicle to pass through; Described car-mounted device can be resolved the radiofrequency signal that apparatus for detecting position of vehicle sends, and by the information display that parses to driver and crew; It is characterized in that: as follows vehicle guidance system is controlled:
Electronic chart is prestored in described car-mounted device; The position of single position detecting device residing on electronic chart is designated as positional information; The code of corresponding respective positional information is all prestored in each apparatus for detecting position of vehicle; After apparatus for detecting position of vehicle starts, apparatus for detecting position of vehicle to whether respective stretch there being vehicle passes through to carry out continuous detecting, meanwhile, apparatus for detecting position of vehicle also outwards continues to send radiofrequency signal, includes the code corresponding to each apparatus for detecting position of vehicle in each radiofrequency signal; After car-mounted device receives the radiofrequency signal that a certain apparatus for detecting position of vehicle sends, the code in car-mounted device energy radio frequency signal is resolved, and the positional information corresponding to code is presented in a visual manner on electronic chart;
During original state, hunting gear and terminating equipment are in closed condition, flip flop equipment is standby, the ambient condition of ambient condition monitoring device to induction region, section is monitored continuously, and Monitoring Data is sent to flip flop equipment in real time, after flip flop equipment receives Monitoring Data under armed state, flip flop equipment carries out entry condition and judges operation;
Described entry condition judgement operation comprises: the threshold value of Monitoring Data and setting compares by flip flop equipment, if Monitoring Data is in threshold range, then flip flop equipment continues to carry out entry condition judgement operation to the follow-up Monitoring Data received; If Monitoring Data exceeded threshold, then by step 1) to 5) in mode process:
1) flip flop equipment switches to starting state, and meanwhile, flip flop equipment controls hunting gear and terminating equipment switches to armed state, enters step 2);
2) when flip flop equipment has detected that vehicle passes through, flip flop equipment carries out accumulated counts to the quantity of the vehicle passed through, and is designated as access number, simultaneously to the numerical value that vehicle fleet size accumulated counts obtains, flip flop equipment controls hunting gear and terminating equipment switches to starting state, enters step 3);
3) along with vehicle is advanced, vehicle also finally crosses terminating equipment through each hunting gear successively, and when terminating equipment has detected that vehicle crosses, often by a vehicle, terminating equipment just sends to flip flop equipment and once passes through signal; Flip flop equipment receives by after signal, carries out accumulated counts to the number of times received by signal, is designated as out number of channels, enters step 4) to the numerical value obtained by signal number of times accumulated counts;
4), when counting existing change when engaging in this profession, flip flop equipment goes out number of channels and current access number carries out numeric ratio comparatively by current, if the current number of channels numerical value that goes out is less than current access number numerical value, then repeats the operation of step 4); Go out the access number numerical value that number of channels numerical value equals current if current, then enter step 5);
5) after postponing certain hour, flip flop equipment controls hunting gear and terminating equipment switches to armed state, returns step 2);
Step 1) to 5) in the process run, ambient condition monitoring device is still monitored continuously to the ambient condition of induction region, section, and Monitoring Data is sent to flip flop equipment in real time, after flip flop equipment receives Monitoring Data in the start-up conditions, flip flop equipment carries out the operation of closedown condition judgment;
Described closedown condition judgment operation comprises: the threshold value of the Monitoring Data newly received and setting periodically compares by flip flop equipment, if comparative result illustrates that ambient condition takes a turn for the better, induction need not be implemented, after then postponing certain hour, flip flop equipment controls hunting gear and terminating equipment switches to closed condition, meanwhile, flip flop equipment oneself also switches to armed state by access number with after going out number of channels clearing; If comparative result illustrates that ambient condition does not take a turn for the better, then flip flop equipment proceeds to close condition judgment operation; Close condition judgment operation with abovementioned steps 1) to 5) and operation walk abreast.
8. vehicle guidance system control method according to claim 7, is characterized in that: in described multiple hunting gear, along vehicle direct of travel, is electrically connected between two adjacent in turn hunting gears; If A device, B device and C device are three hunting gears respectively, and A device, B device and C device three are along vehicle direct of travel arranged adjacent in turn; When B device detected vehicle by time, B device sends the code corresponding to B device to A device and C device simultaneously; After A device and C device receive the code corresponding to B device, using code system corresponding for B device as information, information, when sending radiofrequency signal, outwards sends by A device and C device in the lump, after certain time, A device and C device stop sending information; After car-mounted device receives the radiofrequency signal including information, the positional information corresponding to the code in information is presented on electronic chart by car-mounted device in a visual manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107479061A (en) * | 2017-08-25 | 2017-12-15 | 重庆交通大学 | A kind of safe early warning method and system based on image recognition and radar range finding |
| CN107767699A (en) * | 2017-11-20 | 2018-03-06 | 杭州博达伟业公共安全技术股份有限公司 | Induce lamp control method and device |
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| CN101071526A (en) * | 2006-05-08 | 2007-11-14 | 林贵生 | Interactive intelligent road nail and its road net information system |
| JP2009237733A (en) * | 2008-03-26 | 2009-10-15 | Kenwood Corp | Traffic monitoring system |
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| CN107767699A (en) * | 2017-11-20 | 2018-03-06 | 杭州博达伟业公共安全技术股份有限公司 | Induce lamp control method and device |
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| CN104882014B (en) | 2017-03-01 |
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