CN1664876A - Express highway trailing smear type dynamic holographic system - Google Patents
Express highway trailing smear type dynamic holographic system Download PDFInfo
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- CN1664876A CN1664876A CN 200510065437 CN200510065437A CN1664876A CN 1664876 A CN1664876 A CN 1664876A CN 200510065437 CN200510065437 CN 200510065437 CN 200510065437 A CN200510065437 A CN 200510065437A CN 1664876 A CN1664876 A CN 1664876A
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Abstract
This invention relates to a highway streak-type dynamic holography system, which provides dynamic holography information with reception, explanation, and display of vehicle automatic driving system on highway to realize manual blind driving or automatic driving, to accomplish intelligent whole-way monitoring management so as to control driver's violation of rules and piloting with fatigue, to realize vehicle's automatic charging and payment, to improve capacity of highway, to prompt driver to change direction and decrease loss when an accident happens. The invention can Increase highway security and economic profit and fill the domestic technology blank.
Description
The present invention relates to a kind of electronic information, is express highway trailing smear type dynamic holographic system.
Highway development both at home and abroad is quite rapid now, fast development along with expressway construction, the infosystem of highway just seems and is in a backward condition relatively, especially the highway infosystem of function admirable technological gap both domestic and external especially, because information systems technology does not catch up with the needs of highway development, the vehicle chain of rings collision accident that knocks into the back often takes place, and causes the heaviness loss of personnel and property, now in order to prevent that the technical measures that vehicle rear-end collision bumps against from being; Adopt ways such as ultrasonic ranging, radar range finding, laser ranging, shooting range finding, infrared distance measurement to measure the travel speed and the distance of front vehicles, reach the travel speed and the direction of the vehicle that draws oneself up, the generation of collision accident prevents to knock into the back, but these technical measures can not satisfy the needs that expressway safety travels far away, when appearance is boisterous, management unit can only the closing high-speed highway to guarantee safety, the closing high-speed highway causes great economic loss for the country and people masses.Another major reason that causes major traffic accidents is that tired driver is driven and driver's traffic violation, because information systems technology falls behind, highway can not be realized intelligent omnidistance supervision and management now, fatigue driving to the driver lacks effective solution, to driver's traffic violation shortage effective supervision means, when major traffic accidents take place, because information systems technology falls behind, can not in time point out the driver travel direction that changes its course, long distance traffic congestion often takes place, cause and dredge difficulty.Because information systems technology falls behind, freeway management department can not take emergency measures in the very first time, caused great economic loss.Because information systems technology falls behind, highway can not be realized the automatic charging of vehicle and pay dues, and has incured loss through delay driver's time, has influenced the ability that is open to traffic of highway.When handling major traffic accidents, lack effective evidences.
The objective of the invention is: have express highway trailing smear type dynamic holographic system that accurately errorless dynamic holographic running information of vehicle ' road ahead is provided, having " express highway automobile automatic driving system " to receive reads to separate and show, demonstrate speed, the distance of driving vehicle on Ben Che and each track, Ben Che the place ahead, vivid dynamically the travel picture and the data in orientation, the rolling literal demonstrates traffic information, weather information, notice information, urgent caveat information, the distress call information in this highway section.Realize the blindness pilot steering of vehicle on highway or blindly driving automatically.Realize the intelligent omnidistance supervision and management of highway, driver's the traffic violation obtains effective supervision, driver's fatigue driving is well solved, realize the automatic charging of vehicle and pay dues, improve the ability that is open to traffic of highway, again do not need the closing high-speed highway at inclement weather, the timely prompting driver travel direction that changes its course when traffic hazard takes place in the place ahead, prevent traffic congestion, administrative authority can take emergency measures in the very first time when traffic hazard took place, and reduced unnecessary loss.Improve the security of highway, improve the economic benefit of highway, fill up technological gap both domestic and external.
The object of the present invention is achieved like this: in order to reach vehicle carries out blindly pilot steering or blindly drives automatically on highway purpose, express highway trailing smear type dynamic holographic system must provide accurately errorless dynamic holographic running information of vehicle ' road ahead, the dynamic holographic running information comprise in have:
A. the highway mileage that travels of this car and the azran on the track.
B. the travel highway mileage of the place ahead vehicle ' and the azran on the track on the track of this car.
C. travel on other tracks, this car the place ahead highway mileage of vehicle ' and the azran on the track.
D. traffic information: comprise highway names, forward arrive the city, left arrive the city, to the right arrive city, forward intersection road name, recently export title and distance, road condition advisory, climb and fall, take a sudden turn, stop ahead stop spacing from, the place ahead service area distance, forward fuel point distance, urgent danger prevention parking area, the place ahead distance, emergency call distance, the place ahead charge station distance, and the title of other service facilities and distance, vehicle ' to the speed limit regulation in this highway section.
E. weather information: it comprise in have temperature, wind direction, wind speed, rainfall, road surface and have or not accumulated ice and accumulated snow.
F. highway notice information.
G. urgent caveat information: have in comprising the place ahead driving vehicle emergency brake, the collision of knocking into the back of the place ahead driving vehicle, the place ahead driving vehicle topples and the highway mileage of the artificial distress call of the place ahead driving vehicle and the azran on the track.
(A) of top dynamic holographic running information is called smear information.
Wherein the combined information of (A), (C), (E), (F), (G) bar is called combination smear information.
Wherein the combined information of (A), (B), (C), (D), (E), (F), (G) bar is called the system information of trailing smear type dynamic holographic system, or is called the dynamic holographic running information.
Technical scheme of the present invention is such: along on the central partition dual side-edge line of highway, according to certain spacing distance the electronic route sign device is installed respectively, is comprised in each electronic route sign device; Wireless transmitter module (34), central processing unit (35), traffic information ROM (read-only memory) (36), highway mileage ROM (read-only memory) (37) range sensor (38), wireless receiving module (39).Their course of work is: be equipped with a wireless transmitter module on each driving vehicle, emission wireless beacon signal, the power of the beacon signal of this wireless transmitter module emission is very little, in the time of only near vehicle ' arrives the electronic route sign device, wireless receiving module (39) in this electronic route sign device just can receive the wireless beacon signal of this driving vehicle emission, wireless receiving module (39) just triggers range sensor (38) and enters duty, range sensor (38) is just measured the distance of this vehicle to range sensor (38) automatically, the highway mileage information of this installation site, electronic route sign device place of this azran information and highway mileage ROM (read-only memory) (37) stored is formed the combined information of highway mileage information and azran information in central processing unit (35), this combined information becomes the smear information of this vehicle.The highway mileage information of this installation site, electronic route sign device place of highway mileage ROM (read-only memory) (37) stored is meant: 0 kilometer highway mileage of locating this installation site, electronic route sign device place of highway inception point.
The smear message block of the smear information of the vehicle on other tracks that sent by the place ahead electronic route sign device that the smear information of this vehicle and central processing unit (35) receive, the smear information of weather information, the smear information of highway notice information, urgent caveat information becomes to make up smear information.Combination smear information is by the transmission one by one of the rearward electronic route sign device of electronic route sign device trailing smear type.
Combination smear information that the smear information of this vehicle and the place ahead electronic route sign device send and traffic information ROM (read-only memory) (36) li condition information, the dynamic holographic running information of the express highway trailing smear type dynamic holographic system of composition.The dynamic holographic running information is sent to the vehicle that drives to this electronic route sign device highway section by wireless transmitter module (34), is read to separate by " express highway automobile automatic driving system " reception of this vehicle.Demonstrate highway mileage that this car travels, travel speed on the display of " express highway automobile automatic driving system " of this vehicle and on the dynamic holographic running information of the azran on the track, each track, this car the place ahead speed, distance, the dynamic holographic running information in orientation, the traffic information that shows this highway section, weather information, highway notice information, the dynamic holographic running information of urgent caveat information of vehicle, carry out blindness pilot steering or the blindness automatic driving vehicle travels for the driver.
Owing to adopt technique scheme, the accurate errorless dynamic holographic running information that express highway trailing smear type dynamic holographic system of the present invention provides has been realized carrying out the blindness pilot steering with " express highway automobile automatic driving system " or blindly drive automatically on highway.Realized the intelligent omnidistance supervision and management of highway, driver's the traffic violation obtains effective supervision, driver's fatigue driving is well solved, realized vehicle automatic charging and pay dues, improved the ability that is open to traffic of highway, again do not need the closing high-speed highway at inclement weather, the timely prompting driver travel direction that changes its course when traffic hazard takes place in the place ahead, prevent traffic congestion, administrative authority can take emergency measures in the very first time when traffic hazard took place, and had reduced unnecessary loss.Improve the security of highway, improved the economic benefit of highway, filled up technological gap both domestic and external.
Below in conjunction with drawings and Examples the present invention is described in further detail.
Fig. 1 is a turnpike driving synoptic diagram of the present invention.
Fig. 2 is connection side's block diagram of adjacent two the electronic route sign devices of the present invention.
1,2,3,4,5,6,7,8,9,10,11 vehicles in the drawings, 12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27. electronic coordinate devices, 28. stabilized voltage supplys, 29. diodes, 30,31 inductance, 32,33. electric capacity, 34. wireless transmitter modules, 35. central processing units, 36. traffic information ROM (read-only memory), 37. the highway mileage ROM (read-only memory), 38. range sensors, 39. wireless receiving modules.
In Fig. 1 turnpike driving synoptic diagram, two sides of highway central partition have stopway, crawling lane, runway, fast respectively, and vehicle (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11) of travelling are arranged respectively on stopway, crawling lane, runway, fast.According to certain spacing distance electronic route sign device (12), (13), (14), (15), (16), (17), (18), (19), (20), (21), (22), (23), (24), (25), (26), (27) are installed on the dual side-edge line of highway central partition, the installation interval distance of electronic route sign device is advisable at 5-10m.The electronic route sign device of being installed is divided into uplink and downlink, the mode of operation of wireless transmitter module (34) wireless receiving module (39) in wireless transmitter module (34) wireless receiving module (39) in the electronic route sign device of uplink and the electronic route sign device of downlink or encode is differently avoided uplink and the wireless signal mutually mutual interference of downlink in same highway section.Wireless transmitter module (34) wireless receiving module (39) in each electronic route sign device also adopts different mode of operations, avoids the wireless signal phase mutual interference in the electronic route sign device.
Fig. 2 is connection side's block diagram of adjacent two the electronic route sign devices of the present invention, forms the electronic coordinate device by wireless transmitter module (34), central processing unit (35), traffic information ROM (read-only memory) (36), highway mileage ROM (read-only memory) (37), range sensor (38), wireless receiving module (39) in the dashed rectangle figure in Fig. 2.Each stabilized voltage supply (28) provides direct supply through diode (29) to several electronic coordinate devices, there is the power supply main track to link to each other between the adjacent electronic coordinate device with negative wire, the power supply main track is simultaneously as the combination smear transmission of Information passage between the adjacent electronic coordinate device, the power supply negative wire is as common ground, DC channel is played in inductance (30) in the electronic coordinate device, (31), the alternating current interruption effect, electric capacity (32), (33) strobe.
Describe smear information production process of the present invention below in detail:
The production process of smear information is such: on each vehicle on highway of travelling a wireless transmitter module is installed, wireless transmitter module is launched the wireless beacon signal continuously in the vehicle ' process, the wireless beacon signal transmission power is very little, its operating distance has only 20-30m, only the wireless receiving module (39) in the electronic coordinate device could receive the wireless beacon signal effectively when vehicle ' is near the electronic coordinate device, and then triggering range sensor (38) enters distance measuring states, the detection direction that is installed in the range sensor in the electronic coordinate device must be perpendicular with traveling lane, so that measure the accurate azran of driving vehicle to the central partition sideline accurately.So the reason that designs the wireless beacon signal transmission power very little is, for no vehicle on highway through out-of-date, can make range sensor (38) and wireless transmitter module (34) break-off in the electronic coordinate device, saved electric energy.
The range information of range sensor (38) output, be sent to central processing unit (35) and carry out calculation process, in calculation process, range information is classified as respectively: from the central partition sideline to fast and the boundary line of runway be the fast range information, the highway mileage information combination of fast range information and this point becomes the smear information of this vehicle at fast.Boundary line from the boundary line of fast and runway to runway and crawling lane is the runway range information, and the highway mileage information combination of runway range information and this point becomes the smear information of this vehicle at runway.Boundary line from the boundary line of runway and crawling lane to crawling lane and stopway is the crawling lane range information, and the highway mileage information combination of crawling lane range information and this point becomes the smear information of this vehicle at crawling lane.Is the stopway range information from the boundary line of crawling lane and stopway to the stopway sideline, and the highway mileage information combination of stopway range information and this point becomes the smear information of this vehicle at stopway.Be invalid information beyond the stopway sideline, the elimination invalid information can be eliminated the interference of vehicle and buildings outside the highway road.
The production process of combination smear information and the dynamic holographic running information production process and the transport process of transport process and trailing smear type dynamic holographic system are described below:
The combination smear packets of information that the place ahead electronic route sign device sends contains: the smear information of a fast, the smear information of a runway, the smear information of a crawling lane, the smear information of a stopway, the smear information of the smear information of a weather information, the smear information of a highway notice information and a urgent caveat information.The smear information of the smear information of weather information and the notice information of highway is issued by the highway terminus.
The combination smear information that the place ahead electronic route sign device sends has three tasks:
One, when not having vehicle through the electronic route sign device, the electronic route sign device does not produce new smear information, and the combination smear information that the place ahead electronic route sign device sends continues rearward electronic route sign device transmission without any changing.
They are two years old, when having vehicle through the electronic route sign device, produce the new smear information in this track, vehicle place in the electronic route sign device, the smear information that this is new, smear information in the combination smear information that alternative the place ahead, same track electronic route sign device sends is formed the rearward electronic route sign device of new combination smear information and is transmitted.When having vehicle through the electronic route sign device, in the time of urgent caveat information that the wireless receiving module of electronic route sign device (39) receives that " express highway automobile automatic driving system " send, the highway mileage message block of the highway mileage ROM (read-only memory) (37) in this urgent caveat information and the electronic route sign device is synthesized urgent caveat smear information, and urgent caveat smear information adds the rearward electronic route sign device of new combination smear information and transmits.
Wireless receiving module (39) receives the urgent caveat information that " express highway automobile automatic driving system " send following several:
A. in the time of vehicle generation emergency brake, inertial sensor on " express highway automobile automatic driving system " outputs signal to the wireless transmitter module on " express highway automobile automatic driving system ", the urgent caveat wireless messages of the vehicle emergency brake of wireless transmitter module emission.
B. when vehicle topples, inclination sensor on " express highway automobile automatic driving system " outputs signal to the wireless transmitter module on " express highway automobile automatic driving system ", the urgent caveat wireless messages that the vehicle of wireless transmitter module emission topples.
C. when vehicle knocks into the back collision, impact microphone on " express highway automobile automatic driving system " outputs signal to the wireless transmitter module on " express highway automobile automatic driving system ", the urgent caveat wireless messages that the vehicle rear-end collision of wireless transmitter module emission bumps against.
D. when traffic hazard takes place, the driver presses the distress call button on " express highway automobile automatic driving system ", distress call outputs signal to the wireless transmitter module on " express highway automobile automatic driving system ", the urgent caveat wireless messages of the distress call of wireless transmitter module emission.
The wireless beacon signal of the wireless transmitter module emission of " express highway automobile automatic driving system " lining adopts different codings with the urgent caveat wireless signal of inertial sensor, inclination sensor, impact microphone, distress call, so that distinguish the character of urgent caveat in receiving course.
Wireless receiving module (39) in the electronic route sign device in roadside receives the urgent caveat wireless messages of the wireless transmitter module emission of " express highway automobile automatic driving system " lining, the synthetic urgent caveat smear information of urgent caveat information and highway mileage message block, urgent caveat smear information is formed new combination smear information with combination smear information and is transmitted by electronic route sign device trailing smear type, the new combination smear information that has urgent caveat smear information, make all driving vehicles of rear all can receive the urgent caveat information that the electronic route sign device sends through any one electronic route sign device, the driver of one tunnel all driving vehicles of notice rear in time takes emergency measures.The new combination smear information one tunnel that has urgent caveat smear information is sent to the administrative authority at highway initial point station, and freeway management department can in time take emergency measures.
Combination smear information transmits with the rearward electronic route sign device of the pattern of serial transfer, combination smear information can adopt wireless or wired mode to transmit, present embodiment adopts wired mode to transmit, and the electronic route sign device at rear rearward transmits one by one as the relay trailing smear type
They are three years old, the combination smear information that the place ahead electronic route sign device sends and the traffic information of new smear information that is produced by the electronic route sign device and traffic information ROM (read-only memory) (36) lining are combined into the dynamic holographic running information of express highway trailing smear type dynamic holographic system in central processing unit (35) lining, the dynamic holographic running information transmits to wireless transmitter module (34) with the pattern of serial transfer, and wireless transmitter module (34) sends wireless dynamic holographic running information with the pattern that serial sends to the vehicle that owner drives.
Demonstration that can be clearer and more definite in the turnpike driving synoptic diagram of the present invention of accompanying drawing 1 mutual relationship between them, with vehicle (10) is example: vehicle (10) is through electronic route sign device (24), electronic route sign device (24) just records the distance of vehicle (10) to electronic route sign device (24), this range information classifies as the crawling lane range information respectively in the central processing unit (35) of electronic route sign device (24), the highway mileage information combination of the highway mileage ROM (read-only memory) (37) of this range information and electronic route sign device (24) lining becomes the crawling lane smear information of vehicle (10).Electronic route sign device (24) receives the combination smear information that sends from electronic route sign device (25) simultaneously: smear information, the smear information of weather information, the smear information of highway notice information and the smear information of urgent caveat information of front vehicles on the runway smear information, crawling lane, stopway of fast smear information, the vehicle (8) of vehicle (6) are arranged, the combination smear information of composition.The crawling lane smear information substitution that vehicle (10) produces through electronic route sign device (24) the crawling lane smear information of vehicle on the place ahead crawling lane that sends from electronic route sign device (25), be combined into new combination smear information, this new combination smear information is transmitted to electronic route sign device (23) by electronic route sign device (24).
Power wireless transmitter module (34) emission of sub-road sign device (24) lining of the dynamic holographic running information that the traffic information of the crawling lane smear information that the combination smear information that electronic route sign device (25) sends, electronic route sign device (24) produce, traffic information ROM (read-only memory) (36) lining of electronic route sign device (24) lining is combined into express highway trailing smear type dynamic holographic system.
The dynamic holographic running information of native system, " express highway automobile automatic driving system " of (10) lining of buying car in installments receives to be read to separate, in vivid dynamically travel picture and the data that demonstrate vehicle ' on Ben Che and each track, Ben Che the place ahead on the display of " express highway automobile automatic driving system ", the driver just can know the mileage that this car travels, position in the track, place, the speed of a motor vehicle, also can know simultaneously the spacing of front vehicles on the same track of this car, the speed of a motor vehicle, position in the track, also can know the spacing of adjacent lane vehicle, the speed of a motor vehicle, the side direction parallel distance of Ben Che and adjacent track vehicle is known in position in the track.The traffic information that is provided by traffic information ROM (read-only memory) (36) in the electronic route sign device is provided the literal that rolls simultaneously: highway names is arranged, arrive the city forward, arrive the city left, arrive the city to the right, the forward intersection road name, export title and distance recently, road condition advisory, climb and fall, zig zag, the stop spacing that stops ahead from, the place ahead service area distance, the forward fuel point distance, urgent danger prevention parking area, the place ahead distance, the emergency call distance, the place ahead charge station distance, and the title and the distance of other service facilities, vehicle ' is to the speed limit in this highway section regulation, weather information: it comprise in have temperature, wind direction, wind speed, rainfall, the road surface has or not the holographic running information of accumulated ice and accumulated snow.Highway notice information and urgent caveat information.Urgent caveat packets of information contains: the place that urgent caveat character, urgent caveat take place and the orientation in track, place.
The dynamic holographic running information that express highway trailing smear type dynamic holographic system provides is enough to satisfy the driver and carries out the blindly needs of pilot steering.The driver also can set blindly drive parameter automatically to the central processing unit of " express highway automobile automatic driving system ", controls throttle, gear shift, braking and the direction of vehicle automatically by the blindness robot pilot, reaches the purpose that automatic driving vehicle blindly travels.
Automatic charging after the dynamic holographic running information that express highway trailing smear type dynamic holographic system provides makes " express highway automobile automatic driving system " realize the vehicle access is paid dues automatically, charge station's purpose of charging automatically.Automatic charging and pay dues automatically and improved the ability that is open to traffic of highway.
The urgent caveat information that express highway trailing smear type dynamic holographic system provides is forwardly during road generation traffic hazard, in time points out the driver travel direction that changes its course, and prevents long distance traffic congestion, causes and dredges difficulty.Urgent caveat information can make freeway management department take emergency measures in the very first time, prevents to result in greater loss.
The adjacent vehicle with Ben Che of this car record that all travels is being stored behind the vehicle access in " express highway automobile automatic driving system " lining, all travel record in order to omnidistance supervision and management to vehicle ', handle in order to violating the regulations, in order to vaild evidence as the processing major traffic accidents.
Owing to adopt technique scheme, the dynamic holographic running information that express highway trailing smear type dynamic holographic system provides makes " express highway automobile automatic driving system " realize the blindness pilot steering of vehicle on expressway or blindly driving automatically.Realized the intelligent omnidistance supervision and management of highway, driver's the traffic violation obtains effective supervision, driver's fatigue driving is well solved, realized vehicle automatic charging and pay dues, improved the ability that is open to traffic of highway, again do not need the closing high-speed highway at inclement weather, when traffic hazard takes place in the place ahead, in time point out the driver travel direction that changes its course, prevent traffic congestion, administrative authority can take emergency measures in the very first time when traffic hazard took place, and reduced unnecessary loss.Improve the security of highway, improved the economic benefit of highway, filled up technological gap both domestic and external.
Claims (5)
1. express highway trailing smear type dynamic holographic system, along on the central partition dual side-edge line of highway, according to certain spacing distance the electronic route sign device is installed respectively, have in each electronic route sign device: wireless transmitter module (34), central processing unit (35), traffic information ROM (read-only memory) (36), highway mileage ROM (read-only memory) (37), range sensor (38), wireless receiving module (39) are formed, and it is characterized in that: smear information has; Vehicle ' arrives the highway mileage information and the driving vehicle of highway mileage ROM (read-only memory) (37) lining in this electronic route sign device and forms to the azran information of electronic route sign device.
2. express highway trailing smear type dynamic holographic system according to claim 1 is characterized in that: combination smear information has: the smear information of the smear information of a fast, the smear information of a runway, the smear information of a crawling lane, the smear information of a stopway, the smear information of a weather information, the smear information of a highway notice information, a urgent caveat information is formed.
3. express highway trailing smear type dynamic holographic system according to claim 1 is characterized in that: the dynamic holographic running information of express highway trailing smear type dynamic holographic system has: the traffic information of combination smear information that the smear information of this vehicle, the place ahead electronic route sign device send and traffic information ROM (read-only memory) (36) lining is formed.
4. express highway trailing smear type dynamic holographic system according to claim 1, it is characterized in that: combination smear information transmits with the rearward electronic route sign device of the pattern of serial transfer, and the electronic route sign device at rear rearward transmits one by one as relay.
5. express highway trailing smear type dynamic holographic system according to claim 1 is characterized in that: express highway trailing smear type dynamic holographic system sends wireless dynamic holographic running information with wireless transmitter module (34) to the vehicle that drives to this electronic route sign device highway section with the pattern that serial sends.
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| CNB2005100654374A CN100456337C (en) | 2005-04-08 | 2005-04-08 | Express highway trailing smear type dynamic holographic system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008670B (en) * | 2006-01-24 | 2012-10-31 | 何明伟 | Road information indicating system and method therefor |
| CN108842686A (en) * | 2018-06-13 | 2018-11-20 | 苏州创存数字科技有限公司 | A kind of intelligent transportation xegregating unit and its working method for real-time navigation |
| CN115376306A (en) * | 2022-08-22 | 2022-11-22 | 南京工业大学 | Intelligent traffic dynamic marking method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472712A (en) * | 2002-10-30 | 2004-02-04 | 宁波华盛电器有限公司 | Method and apparatus for avioding damage on highway by intermitten fog status |
| JP2004206275A (en) * | 2002-12-24 | 2004-07-22 | Denso Corp | Automatic drive control system |
| JP3924615B2 (en) * | 2003-03-14 | 2007-06-06 | 国土交通省国土技術政策総合研究所長 | Driving support system using radio wave direction detector |
-
2005
- 2005-04-08 CN CNB2005100654374A patent/CN100456337C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008670B (en) * | 2006-01-24 | 2012-10-31 | 何明伟 | Road information indicating system and method therefor |
| CN108842686A (en) * | 2018-06-13 | 2018-11-20 | 苏州创存数字科技有限公司 | A kind of intelligent transportation xegregating unit and its working method for real-time navigation |
| CN115376306A (en) * | 2022-08-22 | 2022-11-22 | 南京工业大学 | Intelligent traffic dynamic marking method |
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