CN1154838C

CN1154838C - Instruction guide method and system

Info

Publication number: CN1154838C
Application number: CNB01114646XA
Authority: CN
Inventors: 恬陈; 陈恬
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-23
Filing date: 2001-04-23
Publication date: 2004-06-23
Anticipated expiration: 2021-04-23
Also published as: CN1314582A

Abstract

The present invention relates to an instruction guiding method and a system thereof. The system has functions of intersection automatic identification and prompting; a prior route from an intersection of a departure place to an intersection of a destination is analyzed according to factors of road levels, relation among intersections, distance, etc. by determining the destination or a relevant intersection; a branch circuit direction selected by the prior route is indicated in intersections on the way; the system can conversely identify, tolerate errors and correct errors; even if a vehicle dose not run according to the instruction, the system can also automatically tolerate errors and newly indicate a new prior route; a data structure management method of road level set, multi-stage associative search, data file reserve setting and partition storage is adopted for intersection information to ensure the efficiency of software development and maintenance and a running speed of the system; storage data is ensured to be renewed in real time by a communication means.

Description

Instruction guide method and system

Technical field

The present invention relates to road indicating means and system, more particularly, relate to the preferential route that is used to analyze from the crossing, departure place to target the crossing, ground and on the way the crossing indicate the method for preferential branch road to reach system by described preferential route based on this method.

Background technology

When being unfamiliar with road and need arrive crossing, a certain target ground, people usually do not know which bar route this selects, and when between the crossing, address and target ground a plurality of crossing being arranged when setting out especially, arrive and often do not know next step which direction of this selection after a crossing is located.Improving the road equipment management level, provide more walking along the street convenient to people, is the reflection of modern city and civilization degree.Traditional road Identification mode is mainly indicated according to guideboard or prompting device, they can only describe limited literal, point out which general orientation each crossing leads to, or point out traffic conditions of junction ahead etc., need people oneself to do more judgements, this can feel many inconvenience concerning the people who is unfamiliar with road.And these road signs or prompting device generally are fixed in a certain position, need especially carefully just can see clearly for the personnel that drive, will disperse its notice and influence the safety of driving, add that the urban management level is not quite similar, incomplete road markings system has also increased more knowledge road difficulty.

In order to solve the city traffic guide problem, at present disclosed have various technical schemes, but in existing guide device, existence use to some extent is inconvenient, cost is high, data are difficult to obtain in real time upgrade problems such as processing, is difficult to obtain problems such as penetration and promotion.The technical scheme that has is to adopt Global Positioning System (GPS) (GPS) to determine the vehicle position, the map of entire city is stored, when needs during, will comprise that by display screen that a part of map of these two addresses shows from an address to another address.This scheme requires that bigger display screen is arranged, and map can be drawn very closely when the city is too big, just is difficult to see clearly map this moment, and much the people is bad to see map, so this scheme and impracticable.

Application number is that 97102092 patent document discloses a kind of " guide device ", and the realization of guide function is that computation process by complexity draws in its technical scheme, and only considers that the distance factor of point-to-point transmission determines optimal route.The result that this scheme draws is not necessarily optimum, and for the people who is unfamiliar with road, the major trunk roads of how to walk a spaciousness, easily going are more even more important than distance.

Summary of the invention

The object of the present invention is to provide a kind of instruction guide method, be used to analyze from the crossing, departure place to target the preferential route at crossing, ground and on the way the crossing indicate preferential branch road by described preferential route, the user only need be according to the indication walking, needn't see whole route maps, even not according to the indication walking, can reanalyse preferential route automatically when arriving next crossing at place, a crossing.Another object of the present invention is to provide a kind of system based on this method, except that the function of finishing said method, the canned data that can also upgrade in time keeps synchronously with link change.

To achieve these goals, the present invention includes following technical scheme:

1, intelligent crossing identification: before arriving the destination, when the user is in arbitrary crossing, system all can determine the preferential route that arrives the crossing, destination, determines the branch road direction that should select by preferential route, and this branch road is pointed out as next step traffic direction.

2, can reverse identification and fault-tolerant, error correction: employing can reverse identification and technical method fault-tolerant, error correction, can allow maloperation in practice, and correct the mistake of not pressing instruction manipulation rapidly.To all related consideration in arbitrary crossing with the target crossing, regard it as initial crossing, the process at this crossing to target crossing is among the independent operating environment.The operating instruction that does not send according to system as the user is when correct direction operation, and system will adjust operational plan voluntarily, and redefine the running route that makes new advances at next crossing.If according to correct direction operation, system will continue to implement by former operational plan the user.

3, data structure and method of calibration thereof: go out the speed and the efficient of preferred routes for guaranteeing systematic analysis, the exploitation of system is made every effort to Data Structure Design and Storage Techniques is more reasonable, the software development of system based on to data management adopt data structure and the method for calibration of optimizing thereof.Rank and data partition storages such as mutual relationship, road junction, each branch road of crossing and mutual relationship with each road, utilization is to the management and the verification measure thereof of dynamic and state data file, and it is accurate that the speed of assurance running software and Large Volume Data are managed.

4, utilize means of communication to guarantee that data in real time upgrades: consider data compression solidified be stored in the guides with the simplest methods availalbe as system in, at irregular increase or revise the crossing data and the data that produce are not inconsistent the situation that causes the system handles process mistake may occur, utilize means of communication that the data of guides storage are carried out real-time update.

Be used to analyze from the crossing, departure place to target the preferential route at crossing, ground and on the way the crossing indicate preferential branch road by described preferential route, described system comprises:

Be installed on the crossing and be used for the intersection information emitter of transmitting radio intersection information;

Receive information that described intersection information emitter sends, analyze and draw preferentially the advance guides of branch road of preferential route planning and indication with car (or with oneself) being used to of carrying, described guides comprises: crossing, the target ground input media that is used to import crossing, target ground; Be used to receive the intersection information receiving trap of the intersection information that is sent by described intersection information emitter; Be used for determining the locating device of the branch road at the crossing at current place and place; Be used to store the road information memory storage of road information; Be used for drawing the APU of preferential route planning by analyzing by the data that described input media, described locating device and described memory storage provided; The indicating device that the signal that is used for importing according to described APU is pointed out the user; And, be used to judge the consistent and judgment means that judges whether to arrive crossing, target ground of the route whether be scheduled to preferential route planning of the route of walking.

For realizing the Data Update function, native system also comprises: be used to upgrade and launch the road information processing enter of road information, described road information processing enter comprises: the renewal input media that is used to upgrade road information; The transmitting terminal that is used for the renewal road information of input is handled upgrades data processing equipment; Be used to launch the renewal data sending apparatus that upgrades the data after data processing equipment is handled by described transmitting terminal;

Also comprise in the described guides: the renewal data sink that is used to receive the information of being sent by described renewal data sending apparatus; Be used for the more new data that receives is handled and is input to the receiving end renewal data processing equipment of described road information memory storage.

Instruction guide method provided by the invention and system, be mainly used in urban road guiding, expressway entrance and exit prompting, by extended storage information, adopt voice or text prompt, the road that also can be used for blind-guiding service, public place and service facility is looked for and the aspects such as guiding of inner guide, government department and all kinds of company incorporated and mechanism.In guidance system of the present invention, by data update apparatus (can set up new business processing center or utilize existing moving or the radio-paging business processing center) situation of change of intersection information is carried out data generation or renewal (data increase and change etc. are caused in for example newly-increased crossing and the interim crossing of sealing), the guides that the user is carried keeps up-to-date data.Guides can receive the crossing signal of distinguishing by geocoding that has nothing in common with each other and discern the signal that transmitter sends, the latest data file of this signal and reservation is discerned processing by specific program, and according to preferential processing sequence, determine the traffic direction at crossing, send operating instruction, reach the purpose of guiding.

Description of drawings

The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the workflow diagram of first kind of instruction guide method of the present invention;

Fig. 2 is the workflow diagram of second kind of instruction guide method of the present invention;

Fig. 3 is the theory diagram of instruction guide of the present invention system;

Fig. 4 is the theory diagram of instruction guide of the present invention system band data update apparatus.

Embodiment

Be illustrated in figure 1 as first kind of instruction guide method provided by the invention, this method is to judge that when leaving the crossing user whether according to preferential route planning walking, said method comprising the steps of:

The literal or the coding at crossing, target ground can be imported in step 101, crossing, input target ground when setting out;

Step 102, guides are determined the crossing at place and the branch road at place first, promptly when arriving first crossing, determine self position;

Step 103, guides analyze by the crossing at current place and the branch road preferential route planning to crossing, target ground, and the preferential branch road of indicating the preferential route planning of walking to select, in analyzing preferential route process, direction with mutual relationship, road junction and each branch road of crossing between the primary and secondary rank of each road, road is main analysis and judgement factor, with route spacing from being the assistant analysis factor of judgment, indicate preferential branch road just point out next step turn to which side to, be to keep straight on, turn left, turn right or other direction;

Step 104, guides are determined according to the signal of receiving and are advanced to next branch road from the branch road in same crossing, just judge when leaving the crossing;

Step 105, judge that the branch road at place is whether consistent with the branch road that former preferential route planning is scheduled to, whether just judge the user according to the indication walking, if unanimity then execution in step 106, inconsistent then execution in step 109;

Step 106, guides are determined according to the signal of receiving and are arrived a new crossing, and determine its place branch road;

Step 107, judge that the crossing, place is whether consistent with crossing, target ground, unanimity is execution in step 113 then, otherwise execution in step 108;

Step 108, by next preferential branch road of predetermined indication of former preferential route planning, its real user is during by the suggested route of former preferential route planning, system can judge the next crossing and the branch road that will arrive automatically, the purpose of determining the new crossing of arrival in the step 6 is to guarantee just to make when arriving new crossing indication, not too early or cross the prompting in evening, after finishing this step, get back to step 104;

Step 109, prompting make mistakes, and just point out the user not by preferential route indicated direction, but row has arrived other route;

Step 110, guides are determined according to its signal of receiving and are arrived a new crossing, and determine its place branch road;

Step 111, determine that the crossing, place is whether consistent with crossing, target ground, unanimity is execution in step 113 then, otherwise execution in step 112;

Step 112, reanalyse out, and indicate the new preferential branch road that select again according to new preferential route planning by the branch road at the crossing at place and place new preferential route planning to crossing, target ground, finish this step after, get back to step 104;

Step 113, prompting arrive crossing, target ground.

Be illustrated in figure 2 as second kind of instruction guide method provided by the invention, this method is to judge that just the user whether according to preferential route planning walking, said method comprising the steps of when arriving next new crossing:

Step 201, crossing, input target ground when setting out;

Step 202, determine the crossing at place and the branch road at place first;

Step 203, analyze by the branch road at the crossing at current place and place preferential route planning to crossing, target ground, and the preferential branch road that should select of the preferential route planning of indication walking;

Step 204, guides are determined according to its signal of receiving and are arrived a new crossing, and determine its place branch road, just need not judge when leaving the crossing, but just judge when arriving next crossing;

Step 205, judge that crossing, current place is whether consistent with crossing, target ground, unanimity is execution in step 210 then, otherwise execution in step 206;

Whether step 206, the crossing of judging the place and branch road be consistent with crossing and branch road that former preferential route planning is scheduled to, whether just judges the user according to the indication walking, if unanimity then execution in step 207, inconsistent then execution in step 208;

Step 207, by next preferential branch road of predetermined indication of former preferential route planning, finish this step after, get back to step 204;

Step 208, prompting make mistakes;

Step 209, reanalyse out, and indicate the new preferential branch road that select again according to new preferential route planning by the branch road at the crossing at place and place new preferential route planning to crossing, target ground, finish this step after, get back to step 204;

Step 210, prompting arrive crossing, target ground.

By two kinds of instruction guide methods more illustrated in figures 1 and 2, as can be seen, wherein first method all will judge when entering the crossing and leaving the crossing, can point out when leaving the crossing if make mistakes; And second method only judges when entering the crossing, also only points out when entering the crossing if make mistakes, and the second method execution in step is less relatively, can accelerate travelling speed.

In order to carry out above-mentioned instruction guide method, the invention provides instruction guide system based on this method, as shown in Figure 3, comprising:

Be installed on the crossing and be used for the intersection information emitter 1 of transmitting radio intersection information;

Receive information that described intersection information emitter 1 sends, analyze and draw preferentially the advance guides 9 of branch road of preferential route planning and indication with car (or with oneself) being used to of carrying, described guides 9 comprises:

Crossing, the target ground input media 2 that is used for crossing, input target ground when setting out;

Be used to receive the intersection information receiving trap 3 of the intersection information that is sent by described intersection information emitter 1;

Be used for determining the locating device 4 of the branch road at the crossing at current place and place;

Be used to store the road information memory storage 5 of road information;

The data that provided by described input media 2, described locating device 4 and described memory storage 5 by analyzing are provided, draw the APU 6 of preferential route planning;

The indicating device 7 that the signal that is used for importing according to described APU is pointed out the user; And,

Be used to judge the consistent and judgment means 8 that judges whether to arrive crossing, target ground of the route whether be scheduled to preferential route planning of the route of walking.

By comprising the instruction guide system of above device, can finish oriented tasks.Determine in the native system that crossing, place and branch road can adopt dual mode.First kind of mode, described intersection information emitter 1 is launched the crossing coding at its place and the branch road coded signal at place, for example adopt wireless mode along each branch road direction directional transmissions crossing coding and this branch road coded signal, near radio transmitter emission crossing coding and this branch road coded signal perhaps are installed on the road surface of each branch road direction.At this moment, the road information in the described memory storage 5 comprises crossing coding and branch road coded data; Described locating device 4 is determined the crossing at current place and the branch road at place by analyzing crossing coding and the branch road coding received by described intersection information receiving trap 3.

Another kind of mode, described intersection information emitter 1 is launched the coded signal at the crossing at its place, and the signal that all branch road directions are sent all is the same in this case.At this moment, the road information in the described memory storage 5 comprises crossing coding and branch road orientation information; Described locating device 4 also comprises the direction device that is used for determining current place direction, and the direction device here adopts the compass principle, can determine self place direction, in conjunction with the branch road orientation information at this crossing in the memory storage 5, just can determine current on which branch road.

In the native system, the signal that described APU 6 is input to described indicating device 7 comprises the signal that can indicate next preferential branch road, the indication wrong route of row and indication to arrive the destination.That is to say under above-mentioned three kinds of situations and all can send cue.Described indicating device 6 can be indicating lamp device, literal display reminding device or sound prompt device.

In the native system, canned data comprises the data of direction of data, road junction and each branch road of crossing of the rank of each road of subregion storage and mutual relationship in the described road information memory storage 4, comprises that also important building, government bodies and enterprises and institutions and a certain crossing have the data that minimum distance concerns.

As shown in Figure 4, big characteristics of instruction guide provided by the invention system are, also comprise:

The road information processing enter 15 that the processing enter of independently setting up by radio-paging platform, mobile telephone service processing enter or native system is used to upgrade and launch road information, described road information processing enter comprises: the renewal input media 10 that is used to upgrade road information; The transmitting terminal that is used for the renewal road information of input is handled upgrades data processing equipment 11; Be used to launch the renewal data sending apparatus 12 that upgrades the data after data processing equipment is handled by described transmitting terminal;

Also comprise in the described guides 9: the special machine of mobile phone, mobile telephone, palm PC or native system after the use expansion native system function is used to receive the renewal data sink 13 of the information of being sent by described renewal data sending apparatus; Be used for the more new data that receives is handled and is input to the receiving end renewal data processing equipment 14 of described road information memory storage.

The realization of the guides function among the present invention can also can be produced special-purpose guides with mobile phone, radio pager, palm PC etc. as carrier.Can set up the instruction guide system at main big and medium-sized cities and highway etc., its application can bring infinite commercial opportunities:

1, urban road guiding: provide convenience for the personage that drives accurately, fast arrives the target crossing, the guides of carrying can all be pointed out direction of traffic at arbitrary crossing before this in advance with the road name code selected as the target crossing, avoids taking an unnecessary way.

2, long-distance driving (comprising highway) guiding: when long-distance driving, people are often for selecting outlet to feel difficulty, reason is that the prompting of guideboard might not be the own place of being familiar with, or because of carelessness has surpassed the exit that should select, guides provided by the invention can be pointed out outlet in advance in correct exit.

3, mechanism and service orientation: when going to ground such as government department, company, market, park, but the code on select target ground, guides will accurately provide the guiding prompting.

4, strengthen the market competitiveness of mobile phone: mobile phone can be expanded the function of guides, as the part of instruction guide systemic-function, market outlook are wide.

5, strengthen the market competitiveness of radio pager: radio pager can be expanded the function of instruction guide device, as the part of instruction guide systemic-function, market outlook are wide.

6, therefore mobile services switching centre and paging station will be benefited: instruction guide can strengthen the dependence of people to mobile phone, mobile telephone greatly, improving the Service Market of mobile services switching centre and paging station and occupy ratio, is important business development to the call business that becomes weaker and weaker day by day particularly.

7, the increased functionality of palm PC: can in palm PC, increase instruction guide device function, the use of convenient business people, the practicality of raising one-machine-multi-function.

8, automobile vendor can offer motorist's more convenience with instruction guide device special machine as with the car spare part, with this as one of marketing tool.

Claims

1, a kind of instruction guide method, it is characterized in that, the intersection information emitter of the intersection information launched that each crossing by within the specific limits is equipped with, and the user realizes guide function according to the following steps with the guides that stores road information database, can receive described intersection information, determine user location and have the preferred path analysis ability that car (or with oneself) carries:

(1), when setting out, the information at crossing, target ground is input to described guides;

(2), described guides is according to its intersection information that receives for the first time, determines the crossing at its place and the branch road at place first;

(3), described guides analyze by the branch road at the crossing at the place of determining first in the step (2) and place to target the preferential route planning at crossing;

(4), every when reaching a crossing in the way of advancing, described guides is determined the branch road at the crossing and the place at its current place, and indicates the current preferential branch road direction that should select according to described preferential route planning, until arriving crossing, target ground.

2, instruction guide method according to claim 1 is characterized in that, also comprises followingly judging that when leaving the crossing user is whether according to fault-tolerant, the error correction step of preferential route planning walking:

(5), when a branch road by same crossing advances to next branch road, described guides judges that the branch road at its current place is whether consistent with the branch road that former preferential route planning is scheduled to;

(6) if consistent, then when arriving next crossing, described guides is by next preferential branch road of predetermined indication of former preferential route planning;

(7) if inconsistent, then when arriving next crossing, described guides reanalyses out by the branch road at the crossing at current place and the place new preferential route planning to crossing, target ground, and indicates the new preferential branch road that select again according to new preferential route planning;

(8), repeat (5) to (7) step, till arriving crossing, target ground.

3, instruction guide method according to claim 2 is characterized in that, when a branch road by same crossing advances to next branch road, and the branch road be scheduled to of the branch road of judging the place and preferential route planning also comprises and points out the step of makeing mistakes when inconsistent.

4, instruction guide method according to claim 1 is characterized in that, also comprises following fault-tolerant, the error correction step of judging that when arriving a new crossing whether the user walks according to preferential route planning:

(5), when arriving a new crossing, described guides judges that the branch road at the crossing at its place and place is whether consistent with crossing and branch road that former preferential route planning is scheduled to;

(6) if consistent, then described guides is according to next preferential branch road of predetermined indication of former preferential route planning;

(7) if inconsistent, then described guides reanalyses out by the branch road at the crossing at current place and the place new preferential route planning to crossing, target ground, and indicates the new preferential branch road that select again according to new preferential route planning;

(8), repeating step (5) arrives (7) till arriving crossing, target ground.

5, instruction guide method according to claim 4 is characterized in that, also comprises when determining to arrive a new crossing, judges when the crossing at place and the crossing that preferential route planning is scheduled to are inconsistent the step that prompting makes mistakes.

6, instruction guide method according to claim 1, it is characterized in that, in the step of the preferential route planning of described analysis, direction with mutual relationship, road junction and each branch road of crossing between the primary and secondary rank of each road, road is main analysis and judgement factor, with route spacing from being the assistant analysis factor of judgment.

7, a kind of instruction guide system, be used to analyze the preferential route at crossing, ground from the crossing, departure place to target and on the way the crossing indicate preferential branch road by described preferential route, described system comprises:

8, instruction guide according to claim 7 system, it is characterized in that, described intersection information emitter is launched the crossing coding at its place and the branch road coded signal at place, and at this moment, the road information in the described memory storage comprises crossing coding and branch road coded data; Described locating device is determined the crossing at current place and the branch road at place by analyzing crossing coding and the branch road coding received by described intersection information receiving trap.

9, instruction guide according to claim 7 system is characterized in that described intersection information emitter is launched the coded signal at the crossing at its place, and at this moment, the road information in the described memory storage comprises crossing coding and branch road orientation information; Described locating device also comprises the direction device that is used for determining current place direction, by analyzing the crossing coding received by described intersection information receiving trap and the determined branch road of the described direction device branch road towards crossing and the place of determining current place.

10, instruction guide according to claim 7 system, it is characterized in that the signal that described APU is input to described indicating device comprises the preferential branch road direction of indication, indicates whether to arrive by preferential route planning walking and indication the signal of destination.

11, instruction guide according to claim 7 system is characterized in that described indicating device can be indicating lamp device, literal display reminding device or sound prompt device.

12, instruction guide according to claim 7 system, it is characterized in that, the information of described road information memory device stores comprises the data of direction of data, road junction and each branch road of crossing of the rank of each road of subregion storage and mutual relationship, comprises that also important building, government bodies and enterprises and institutions and a certain crossing have the data that minimum distance concerns.

13, according to each described instruction guide system in the claim 7 to 12, it is characterized in that, also comprise:

The road information processing enter that the processing enter of independently setting up by radio-paging platform, mobile telephone service processing enter or native system is used to upgrade and launch road information, described road information processing enter comprises: the renewal input media that is used to upgrade road information; The transmitting terminal that is used for the renewal road information of input is handled upgrades data processing equipment; Be used to launch the renewal data sending apparatus that upgrades the data after data processing equipment is handled by described transmitting terminal;

Also comprise in the described guides: the special machine of mobile phone, mobile telephone, palm PC or native system after the use expansion native system function is used to receive the renewal data sink of the information of being sent by described renewal data sending apparatus; Be used for the more new data that receives is handled and is input to the receiving end renewal data processing equipment of described road information memory storage.