CN101382432A - Comfortable walking path search server and program - Google Patents
Comfortable walking path search server and program Download PDFInfo
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- CN101382432A CN101382432A CNA200810110163XA CN200810110163A CN101382432A CN 101382432 A CN101382432 A CN 101382432A CN A200810110163X A CNA200810110163X A CN A200810110163XA CN 200810110163 A CN200810110163 A CN 200810110163A CN 101382432 A CN101382432 A CN 101382432A
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Abstract
The invention aims to provide a comfortable walking route searching system; the comfortable walking route searching system gives advice after real-time searching the walking route in lower temperature as the recommended route; the system is characterized by: the searching system searching a map data base (63) to extract a plurality of routes from the point of departure to the destination; for each one of the extracted plurality of routes, referring to the temperature range data base (62) stored with the real-time temperature data and the temperature data base (63), according to the high and low temperature for measuring the temperature data in each range to weight the range distance, finding the weighted range distance as the lest route as the recommended route to send the terminal (7), thereby recommending the cooler walking route considering the real-time temperature condition to the users.
Description
Technical field
The present invention relates to search for lower walking path of temperature or the less path of pedestrian, and the comfortable walking path search server and the program that provide as recommendation paths.
Background technology
As with the pedestrian as object, the navigational system in portable phone, pointed out, knownly on the booksly open 2002-98547 communique (patent documentation 1) and spy the spy and open navigational system in the 2002-286491 communique (patent documentation 2).These systems use the crowding of road as search condition.And put down in writing such technology in patent documentation 1: the various desired conditionses according to pedestrians such as crowdings are weighted the optimal path that searches the destination to road.But, in existing portable navigational system, collect and store the environmental baseline of the crowding etc. of road in advance.
Consider the real road environment, pedestrian's density of each road has very big variation according to the time period.If go to work, when going to school the time period, pedestrian's density height of the road that is connected with subway station; If during the time period on daytime, there is pedestrian's density of the road in market, supermarket etc. to uprise.And, when having some movable, the density that also can become Yu differ widely usually.But, because in existing portable navigational system, as previously discussed, collect and store the environmental baseline of the crowding etc. of road in advance, thereby have the problem that does not have real-time, lacks practicality.In addition, the navigational system in the present path of also not considering real-time temperature condition and recommending relatively to feel nice and cool.
[patent documentation 1] spy opens the 2002-98547 communique
[patent documentation 2] spy opens the 2002-286491 communique
Summary of the invention
The present invention proposes in view of so above-mentioned prior art problems, its objective is that providing a kind of can search for lower walking path of temperature or the less path of pedestrian in real time, and the comfortable walking path search server and the program that provide as recommendation paths.
First feature of the present invention is: a kind of comfortable walking path search server (6) is provided, have: a plurality of temperature sensors (1), it is arranged on the suitable place in roadside, and periodically sends the instrumentation temperature data behind additional self the identification serial number after the instrumentation environment temperature; Temperature data storehouse (61), it is collected the instrumentation temperature data via network (4,5) and contrasts with the identification serial number of described temperature sensor from described a plurality of temperature sensors, periodically preserves; Temperature range database (62), it is preserved described a plurality of temperature sensors instrumentation temperature data separately as the road interval of interval temperature and the contrasting data between described a plurality of temperature sensor identification serial number separately; Map data base (63), it preserves road map information; Route search unit (614), its for the appointment that comes self terminal (7) the route searching instruction of departure place and destination, search for described map data base and extract a plurality of paths from described departure place to the destination; Optimal path is selected portion (615), in its a plurality of paths of extracting for described route search unit each, come this zone distance to be weighted with reference to described temperature range database and temperature data storehouse, and find out the path of carrying out the zone distance minimum after this weighting according to each height by the instrumentation temperature data in the interval; Recommendation paths efferent (616), it sends to terminal with the path that the selected portion of described optimal path finds out as recommendation paths.
Second feature of the present invention is: a kind of comfortable walking path search program is provided, it allows computing machine carry out following steps: the step that will sign in to temperature range database (62) to a plurality of temperature sensors (1) instrumentation temperature data separately as the road interval and the contrasting data between described a plurality of temperature sensor identification serial number separately of interval temperature, described a plurality of temperature sensor (1) is set at the temperature around the suitable local instrumentation in roadside in advance, and periodically sends the instrumentation temperature data behind additional self the identification serial number; Go up the step of login road map information in advance at map data base (63); Collect the instrumentation temperature data of sending here from described a plurality of temperature sensors via network (4,5), contrast, and the temperature data that periodically is kept at temperature data storehouse (61) is collected step (SQ1) with the identification serial number of described temperature sensor; For the appointment that comes self terminal (7) the route searching instruction of departure place and destination (SQ2, SQ4), search for described map data base extract a plurality of paths from described departure place to the destination the route searching step (SQ3, SQ5, SQ6); For in a plurality of paths of in described route searching step, extracting each, this zone distance is weighted according to each height with reference to described temperature range database and temperature data storehouse, and finds out the selected step of the optimal path (SQ7～SQ10) in the path of carrying out the zone distance minimum after this weighting by the instrumentation temperature data in the interval; The path that to find out in the selected step of described optimal path sends to the recommendation paths output step (SQ11) of terminal as recommendation paths.
The 3rd feature of the present invention is: a kind of comfortable walking path search server (6) is provided, have: a plurality of pedestrian's density sensors (11), it is arranged on the suitable place in roadside, and the pedestrian's density on the instrumentation road, periodically send density instrumentation data behind additional self the identification serial number; Pedestrian's density data storehouse (601), it, and is periodically preserved via network (4,5) collection density instrumentation data, contrast with the identification serial number of described pedestrian's density sensor from described a plurality of pedestrian's density sensors; Pedestrian's density region spatial database (602), it is preserved described a plurality of pedestrian's density sensors density instrumentation data separately as the road interval of interval pedestrian's density and the contrasting data between described a plurality of pedestrian's density sensors identification serial number separately; Map data base (63), it preserves road map information; Route search unit (614), its for the appointment that comes self terminal (7) the route searching instruction of departure place and destination, search for described map data base and extract a plurality of paths from described departure place to the destination; Optimal path is selected portion (615), it is in a plurality of paths of the extraction of described route search unit each, by the density of the density instrumentation data in the interval described zone distance is weighted according to each with reference to described pedestrian's density region spatial database and pedestrian's density data storehouse, and finds out the path of carrying out the zone distance minimum after this weighting; Recommendation paths efferent (616), it sends to terminal with the path that the selected portion of described optimal path finds out as recommendation paths.
The 4th feature of the present invention is: a kind of comfortable walking path search program (6) is provided, it allows computing machine carry out following steps: the step that will sign in to pedestrian's density region spatial database (602) to a plurality of pedestrian's density sensors (11) density instrumentation data separately as the road interval and the contrasting data between described a plurality of pedestrian's density sensors identification serial number separately of interval pedestrian's density, described a plurality of pedestrian's density sensors (11) are set at the suitable place in roadside in advance, instrumentation pedestrian density periodically sends the densitometer side data behind additional self the identification serial number; Via network (4,5) collect the density instrumentation data of sending here from described a plurality of pedestrian's density sensors, the pedestrian's density that contrasts and periodically be kept at described pedestrian's density data storehouse (61) with the identification serial number of described pedestrian's density sensor is collected step (SQ1A); For the appointment that comes self terminal (7) the route searching instruction (SQ2A of departure place and destination, SQ4A), search for described map data base extract a plurality of paths from described departure place to the destination the route searching step (SQ3A, SQ5A, SQ6A); For in a plurality of paths of extracting each in described route searching step, described zone distance is weighted according to each density with reference to described pedestrian's density region spatial database and pedestrian's density data storehouse, and finds out the selected step of the optimal path (SQ7A～SQ10A) in the path of carrying out the zone distance minimum after this weighting by the density instrumentation data in the interval; The path that to find out in the selected step of described optimal path sends to the recommendation paths output step (SQ11A) of terminal as recommendation paths.
According to comfortable walking path search server of the present invention and program, the search map data base extracts a plurality of paths from the departure place to the destination, for in a plurality of paths of extracting each, described zone distance is weighted according to each height with reference to the temperature range database of having preserved real-time temperature record and temperature data storehouse by the instrumentation temperature data in the interval, find out the path of carrying out the zone distance minimum after this weighting and send to terminal, thereby can recommend consider the relatively more nice and cool walking path of real-time temperature condition to user terminal as recommendation paths.
In addition, according to comfortable walking path search server of the present invention and program, the search map data base extracts a plurality of paths from the departure place to the destination, for in a plurality of paths of extracting each, described zone distance is weighted according to each density with reference to pedestrian's density region spatial database of having preserved real-time pedestrian's density data and pedestrian's density data storehouse by the density instrumentation data in the interval, find out the path of carrying out the zone distance minimum after this weighting and send to terminal, thereby can recommend consider the fewer walking path of pedestrian's dealing of real-time pedestrian's crowding to user terminal as recommendation paths.
Description of drawings
Fig. 1 is the block diagram of the comfortable walking path search system of expression first embodiment of the present invention.
Fig. 2 is the block diagram that is illustrated in the functional structure of comfortable path search server in the comfortable walking path search system of above-mentioned embodiment in detail.
Fig. 3 is the map that is illustrated in the relation between the setting of the contact that place and road interval are set of the temperature sensor that carries out data aggregation in the comfortable walking path search system of above-mentioned embodiment.
Fig. 4 is the key diagram that is illustrated in a plurality of temperature sensors in the comfortable walking path search system of above-mentioned embodiment and uses the relation between the temperature range (camber line) of its instrumentation temperature data.
Fig. 5 is adjust the distance when falling into a trap thermometric degrees of data and the route searching curve of the relation between the weights that are weighted of the comfortable walking path search system that is illustrated in above-mentioned embodiment.
Fig. 6 is the precedence diagram of expression according to the search procedure in the comfortable walking path of the comfortable walking path search system of above-mentioned embodiment.
Fig. 7 is the block diagram of the comfortable walking path search system of expression second embodiment of the present invention.
Fig. 8 is the block diagram that is illustrated in the functional structure of comfortable path search server in the comfortable walking path search system of above-mentioned embodiment in detail.
Fig. 9 is the precedence diagram of expression according to the search procedure in the comfortable walking path of the comfortable walking path search system of above-mentioned embodiment.
Embodiment
Below describe the specific embodiment of the present invention with reference to the accompanying drawings in detail.
First embodiment
Utilize Fig. 1～Fig. 6 that the comfortable walking path search system based on temperature condition of first embodiment of the present invention is described.Fig. 1 shows the comfortable walking path search system, might pedestrian's walking road, for example be provided with a plurality of radio temperature sensors 1 with suitable distribution on the roadside of suitable road such as the track on walkway, nobody trade.This radio temperature sensor 1 is arranged on each and is predicted as on the place that has difference of height on the temperature.For example be arranged on the many places of trees, do not have between the place, building of trees fully, park, river or irrigation canals and ditches neighbouring or the like.Radio temperature sensor 1 instrumentation outside air temperature periodically sends its temperature instrumentation data with the radio of assigned frequency with the identification serial number ID of the sensor of distributing to self.
Receive the wireless signal of instrumentation temperature data that holds the temperature sensor 1 of the platform number in the limit from each by wireless router 2, wireless router 2 receive from the instrumentation temperature data of each temperature sensor 1 and sensor ID on be sent to other router twos or represent router three behind the identification serial number ID of attached routers itself again.Represent router three to from a plurality of temperature sensors 1 that receive separately instrumentation temperature data, sensor ID and the identification serial number ID that transmits the identification serial number ID attached routers of router two itself, send to the comfortable walking path search server 6 of specified address via radiotelephony network 4, internet 5.
Comfortable walking path search server 6 has functional structure as shown in Figure 2, has temperature data storehouse 61, temperature range database 62 and map data base 63.The identification serial number ID of described temperature data storehouse 61 and a plurality of temperature sensors 1, transmit router two, represent the identification serial number ID of transmission route device such as router three to contrast then the instrumentation temperature data of each temperature sensor 1 to be preserved in real time, described temperature range database 62 is preserved a plurality of temperature sensors 1 instrumentation temperature data separately (is also comprised the identification serial number ID by router, as the ID of each temperature sensor that can unique identification be connected with system as the road interval of interval temperature and the identification serial number ID separately of a plurality of temperature sensor 1.Below identical) contrasting data, described map data base 63 is preserved road map informations.
In addition, comfortable walking path search server 6 has and is connected with internet 5 or other network equipments to come
Give and acceptThe such communication control unit 611 of the such network connecting portion 610 of the gateway of signal, Connection Service device 6 and the lan adapter of network connecting portion 610, selected portion 615 of authentication processing portion 612, temperature data collection unit 613, route search unit 614, optimal path and recommendation paths efferent 616 that portable terminal device 7 is authenticated.Described temperature data collection unit 613, collection from a plurality of temperature sensors 1 via wireless router 2, a plurality of places temperature instrumentation data separately of representing router three, radiotelephony network 4, internet 5 periodically to send, and with the identification serial number ID of each temperature sensor 1, transmit router two, periodically be kept in the temperature data storehouse 61 after representing the identification serial number ID by router such as router three to contrast; Described route search unit 614 has been specified current place or has been specified the cartographic information of the route searching instruction back retrieving map database 63 of departure place and destination to search for a plurality of walking potential path from portable terminal device 7 receptions; Described optimal path is selected portion 615, in a plurality of potential path that route search unit 614 is extracted each, reference temperature(TR) database 61 and temperature range database 62, to this zone distance weighting, and the aggregate-value of the zone distance after this weighting will be selected according to each height by interval instrumentation temperature data as best recommendation paths for minimum path; Described recommendation paths efferent 616, read and the selected related information of optimal path the selected portion 615 of optimal path from map data base 63, the road map information of this region for example, and the additional path index line that indicates corresponding recommendation paths generates the recommendation paths cartographic information on the road-map of this region, sends to portable terminal device 7 via communication control unit 611, network connecting portion 610.
Below, the comfortable walking path search method of being carried out by the program in the comfortable walking path search server 6 that is installed in said structure is described.At first, use Fig. 3, Fig. 4 that the setting of the temperature range of login on temperature range database 62 is described.In Fig. 3, will draw the pedestrian-way gauze of the thick line of oblique line as certain region.Then, suppose that each place of representing with circle is provided with temperature sensor 1 among Fig. 3.Which decide between the temperature sensor 1,1 that is adjacent to be provided with the instrumentation temperature data of temperature sensor temperature data by the contact on the road (* mark) as corresponding pedestrian-way interval.Then, as shown in Figure 4, with contact * as node, road interval (line segment) is made camber line ai, according to the ID of each radio temperature sensor si (for identification sensor if need to transmit router ID, to represent the ID of router be the ID that has also comprised these), its road interval camber line ai that bears is signed in to temperature range database 62.
Temperature data collection unit 613 for example with 30 seconds be the cycle, with 1 minute be the cycle, 5 minutes being that the cycle is like that with during causing that outside air temperature changes or than its cycle of lacking a little, come periodically to collect temperature instrumentation data Ti from a plurality of temperature sensors 1, and with sensor identification serial number ID contrast after be kept at temperature data storehouse 61.
Generally, concerning the pedestrian, there is comfortable outside air temperature, and when temperature uprises, can increases sense of discomfort, thereby defined the weighting function of the relation of set point of temperature and weighting coefficient as shown in Figure 5.That is, weighting coefficient wi=f (Ti) sets temperature for and rises the curve of the rapid more rising of weighting coefficient more.
When the user has sent the comfortable walking path search request by portable terminal device 7, search for the portable terminal device 7 that replies to request source behind the best walking path in the following order.
Shown in the precedence diagram of Fig. 6, in comfortable walking path search server 6 sides, the path temperature that will bear the region at ordinary times distributes and is recorded in (step SQ1) the temperature data storehouse 61 with the ID that discerns each sensor after a plurality of temperature sensors 1 are periodically collected the instrumentation temperature data.
If send comfortable walking path search request (step SQ2) by portable terminal device 7 from certain user, start comfortable walking path search program (step SQ3), retrieving map database 63 is logined by the place of portable terminal device 7 appointments the current place or the user of this portable terminal device 7 as the departure place by intercoming mutually, in addition, retrieving map database 63, and with the place of user by portable terminal device 7 appointments as the destination login (step SQ4, SQ5).
When having determined departure place, destination, in comfortable walking path search server 6, search for a plurality of potential path (step SQ6) from the departure place to the destination with reference to map data base 63.Utilize in this route searching as Otto Dix add the Shortest Path Searching program of (Dijkstra) algorithm.
Then, search map data base 63 and temperature range database 62, and the road interval from the walking path draws camber line sequence number ai, and each camber line ai that draws is read its length d i (step SQ7).In addition, read the instrumentation temperature data Ti (step SQ8) of the temperature sensor si corresponding with this camber line ai from temperature data storehouse 61.
And, for each walking potential path, use each camber line ai apart from the temperature weighted function f (Ti) shown in di and Fig. 5, and calculate weighting pedestrian-way electrical path length W (step SQ9) with W=∑ (di*f (Ti)).Then, make the recommendation paths candidate successively for minimum walking potential path, and this recommendation paths candidate information is sent to user's portable terminal device 7, show (step SQ10～step SQ12) as recommendation paths information from weighting pedestrian-way electrical path length W.
The user of request source when having shown recommendation paths information on portable terminal device 7, selects the path of the 1st of recommendation order usually, and sends selection instruction (step SQ13) to comfortable walking path search server 6.When receiving the selection instruction of recommendation paths candidate, comfortable walking path search server 6 as best walking path, and will comprise selected recommendation paths candidate the peripheral map in this path and show that with eye-catching form the recommendation walking path cartographic information in best walking path sends to portable terminal device 7 and shows (step SQ14) on this map.
When the user shows this best walking path cartographic information in portable terminal device 7, it is made comfortable walking route guidance picture, and according to shown walking path walking to destination (step SQ15).
In addition, behind the beginning route guidance, can be according to the performance of portable phone with the current place of GPS sensor, and should current place in real time mark be presented on the path of navigation map.In addition, can to cartographic information carry out reduced scale amplification, dwindle.In addition, as the route searching application program that comfortable walking path search server 6 is carried out, for example, can utilize the Otto Dix of finding the solution shortest route problem to add (Dijkstra) algorithm.
By the above, comfortable walking path search server according to present embodiment, if received the comfortable walking path search request from portable terminal device 7, just can consider current temperature environment, to select the walking path of the lower road interval of temperature to search for as recommendation paths, and to user prompt.Following advantage is for example arranged:, can recommend nice and cool as far as possible path especially in full summer if the big city can be recommended in the shade many paths in trees or building as recommendation paths.
Second embodiment
The comfortable walking path search system of second embodiment of the present invention is described.As shown in Figure 7, be provided with a plurality of pedestrian's density sensors 11 in the roadside of the road that has pedestrian's walking with suitable distribution.This pedestrian's density sensor 11 is by the reflected light that self receives own emitted laser, by estimating that according to the size of this reflection light quantity the laser scanner of pedestrian's density or ultrasonic scanner constitute.This pedestrian's density sensor 11, with the instrumentation signal data with the identification serial number ID that distributes to oneself, periodically with the radio transmitting of assigned frequency.
Hold the wireless signal of pedestrian's density sensor 11 instrumentation temperature data separately of the platform number in the limit by wireless router 2 receptions from each, wireless router 2 receive from a plurality of pedestrian's density sensors 11 separately the instrumentation temperature data and sensor ID on the identification serial number ID of attached routers itself again, be sent to other router twos or represent router three.Represent router three to from a plurality of pedestrian's density sensors 11 that receive separately pedestrian's density instrumentation data, sensor ID and the identification serial number ID that transmits the identification serial number ID attached routers of router two itself, send to the comfortable walking path search server 60 of specified address via radiotelephony network 4, internet 5.
Comfortable walking path search server 60 is that function shown in Figure 8 constitutes, comfortable walking path search server 6 most of and in first embodiment is identical, has: pedestrian's density data storehouse 601, pedestrian's density region spatial database 602 and map data base 63.The identification serial number ID of described pedestrian's density data storehouse 601 and a plurality of pedestrian's density sensors 11, transmit router two, after representing the identification serial number ID contrast of transmission route devices such as router three pedestrian's density instrumentation data in real time ground of each pedestrian's density sensor 11 is preserved, as the road interval of interval pedestrian's density and the contrasting data of a plurality of pedestrian's density sensor 11 identification serial number ID separately, described map data base 603 is preserved road map informations with a plurality of pedestrian's density sensors 11 pedestrian's density instrumentation data separately in described passerby's density region spatial database 602 preservations.
In addition, the comfortable walking path search server 60 and first embodiment have in the same manner: network connecting portion 610, the communication control unit 611 as the lan adapter of Connection Service device 60 and network connecting portion 610, selected portion 615 of authentication processing portion 612, pedestrian's density collection unit 603, route search unit 614, optimal path and recommendation paths efferent 616 that portable terminal device 7 is authenticated. Described pedestrian's density data collection unit 603, collection from a plurality of pedestrian's density sensors 11 via wireless router 2, a plurality of places temperature instrumentation data separately of representing router three, radiotelephony network 4, internet 5 periodically to send, and with the identification serial number ID of each pedestrian's density sensor 11, transmit router two, periodically be kept in pedestrian's density data storehouse 601 after representing the identification serial number ID by router such as router three to contrast; Described route search unit 614 receives from portable terminal device 7 and has specified current place or specified the cartographic information of the route searching instruction back retrieving map database 63 of departure place and destination to search for a plurality of walking potential path; In a plurality of potential path that 615 pairs of route search unit of the selected portion of described optimal path 614 are extracted each, with reference to pedestrian's density data storehouse 601 and pedestrian's density region spatial database 602, come described zone distance weighting according to each density, and the aggregate-value of the zone distance after this weighting will be selected as best recommendation paths for minimum path through interval pedestrian's instrumentation density data; Described recommendation paths efferent 616 reads the information that is associated with optimal path selected the selected portion 615 of optimal path from map data base 63, the road map information of this region for example, the additional path index line that indicates corresponding recommendation paths generates the recommendation paths cartographic information on the road-map of this region, and sends to the portable terminal device 7 of request source by communication control unit 611, network connecting portion 610.
Below, the comfortable walking path search method of carrying out by the program in the comfortable walking path search server 60 that is installed in said structure is described.
Login is in the setting of interval pedestrian's density of pedestrian's density region spatial database 602, roughly the same with the setting of the temperature range of first embodiment, replace wireless senser 1 to be provided with pedestrian's density sensor 11 as long as be thought of as in Fig. 3 on each place of representing with circle.Then, as shown in Figure 4, with contact * as node, with road interval (line segment) as camber line ai, the instead of wireless sensor according to the ID of each wireless senser si (during identification sensor if need to transmit router two ID, to represent the ID of router three be the ID that also comprises these) on pedestrian's density region spatial database 602, logined its road interval camber line ai that bears.
Pedestrian's density data collection unit 603 for example with 30 seconds be the cycle, with 1 minute be the cycle, 5 minutes being cycle that is fit to of the regulation in cycle periodically to collect pedestrian's density instrumentation data Di from a plurality of pedestrian's density sensors 11, and with sensor identification serial number ID contrast after be kept on pedestrian's density data storehouse 601.In the present embodiment, make by stages and set owing to the instrumentation precision imprecision of sensor at the weighting function of pedestrian's density.
For example, it is w1 that Di=0～3 man-hours are set weights, and it is w2 that Di=4～9 man-hours are set weights, and setting weights when Di=10 people is above is w3, to increase the mode of weighting coefficient by stages along with the increase of pedestrian's density, is set at w1＜w2＜w3.
If the user sends the comfortable walking path search request by portable terminal device 7, then search for best walking path in the following order and reply to request source portable terminal device 7.
Shown in the precedence diagram of Fig. 9, in comfortable walking path search server 6 sides, at ordinary times pedestrian's Density Distribution of region, place is recorded in pedestrian's density data storehouse 61 (step SQ1A) with periodically collect the ID that pedestrian's density instrumentation data discern each sensor from a plurality of pedestrian's density sensors 1.
If send the comfortable walking path search request by portable terminal device 7, then login departure place and destination (step SQ2A～SQ5A) in the same manner with first embodiment from certain user.Then, when having determined departure place, destination, in comfortable walking path search server 6, search for potential path (step SQ6A) from the departure place to the destination with reference to map data base 63.This method for searching path is identical with first embodiment.
Then, search map data base 63 and pedestrian's density region spatial database 602, and the road interval from the walking path draws camber line sequence number ai, reads its length d i (step SQ7A) from the camber line ai that each draws.In addition, read pedestrian's density instrumentation data Di (step SQ8A) of the pedestrian density sensor si corresponding with this camber line ai from pedestrian's density data storehouse 601.
And, to each walking potential path, make each camber line ai (w1＜w2＜w3) multiply each other, (di*f (Ti)) calculates weighting pedestrian-way electrical path length W (step SQ9A) by the W=∑ apart from weight w 1, w2 or the w3 of di and above-mentioned each pedestrian's density instrumentation data Di.Then, begin successively as the recommendation paths candidate for minimum walking potential path from weighting pedestrian-way electrical path length W, and portable terminal device 7 backs that this recommendation paths candidate information sends to the user are shown (step SQ10A～step SQ12A) as recommendation paths information.
Below identical with first embodiment, when the user of request source had shown recommendation paths information on portable terminal device 7, usually selecting to recommend cis-position was the 1st path, and sends selection instructions (step SQ13A) to comfortable walking path search server 60.When receiving the selection instruction of recommendation paths candidate, comfortable walking path search server 60 with selected recommendation paths candidate as best walking path, and will comprise the peripheral map in this path and on this map, show that with eye-catching form the recommendation walking path cartographic information in best walking path sends to portable terminal device 7 and shows (step SQ14A).
When the user shows this best walking path cartographic information in portable terminal device 7, with it as comfortable walking route guidance picture, and according to shown walking path walking to destination (step SQ15A).
In addition,, also can make in present embodiment: behind the beginning route guidance according to the performance of portable phone, by the current place of GPS sensor, and should current place in real time mark be presented on the path of navigation map.In addition, can to cartographic information carry out reduced scale amplification, dwindle.In addition, as the route searching application program that comfortable walking path search server 60 is carried out, for example, can utilize the Otto Dix of finding the solution shortest route problem to add (Dijkstra) algorithm.And the setting of weighting coefficient is not limited to above-mentioned embodiment, and can carry out the segmentation of thinner ground and set, in addition, and can also be by the function of pedestrian's density data as parameter be changed continuously.
As previously discussed, comfortable walking path search server according to present embodiment, if receive the comfortable walking path search request from portable terminal device 7, then can consider current pedestrian's density of each road interval, to select the walking path of the lower road interval of pedestrian's density to search for as recommendation paths, and to user prompt.
Claims (4)
1. a comfortable walking path search server (6) is characterized in that,
Have:
A plurality of temperature sensors (1), the instrumentation environment temperature is come in its suitable place that is set at the roadside, and periodically sends the instrumentation temperature data behind additional self the identification serial number;
Temperature data storehouse (61), it collects the instrumentation temperature data from described a plurality of temperature sensors via network (4,5), contrasts with the identification serial number of described temperature sensor, and periodically preserves;
Temperature range database (62), it is preserved described a plurality of temperature sensors instrumentation temperature data separately as the road interval of interval temperature and the contrasting data of described a plurality of temperature sensor identification serial number separately;
Map data base (63), it preserves road map information;
Route search unit (614), its for the appointment that comes self terminal (7) the route searching instruction of departure place and destination, search for described map data base and extract a plurality of paths from described departure place to the destination;
Optimal path is selected portion (615), in its a plurality of paths that extract for described route search unit each, with reference to described temperature range database and temperature data storehouse, according to each height by the instrumentation temperature data in the interval this zone distance is weighted, and finds out the zone distance that carries out after this weighting and be minimum path; And
Recommendation paths efferent (616), it sends to terminal with the path that the selected portion of described optimal path finds out as recommendation paths.
2. a comfortable walking path search program is characterized in that,
Allow computing machine carry out following steps:
To sign in to a plurality of temperature sensors (1) instrumentation temperature data separately as the contrasting data of the road interval of interval temperature and described a plurality of temperature sensor identification serial number separately the step of temperature range database (62), described a plurality of temperature sensor (1) is set in advance the temperature of coming in the suitable place in roadside around the instrumentation, periodically sends the instrumentation temperature data behind additional self the identification serial number;
Go up the step of login road map information in advance at map data base (63);
Temperature data is collected step (SQ1), and it collects the instrumentation temperature data of sending here from described a plurality of temperature sensors via network (4,5), contrasts with the identification serial number of described temperature sensor, and periodically is kept at temperature data storehouse (61);
The route searching step (SQ3, SQ5, SQ6), its for the appointment that comes self terminal (7) the route searching instruction of departure place and destination (SQ2 SQ4), searches for described map data base and extracts a plurality of paths from described departure place to the destination;
Optimal path is selected step (SQ7～SQ10), it is in a plurality of paths of extracting in described route searching step each, with reference to described temperature range database and temperature data storehouse, according to each height by the instrumentation temperature data in the interval this zone distance is weighted, and finds out the zone distance that carries out after this weighting and be minimum path; And
Recommendation paths output step (SQ11), its path that will find out in the selected step of described optimal path sends to terminal as recommendation paths.
3. a comfortable walking path search server is characterized in that,
Have:
A plurality of pedestrian's density sensors (11), the pedestrian's density on the instrumentation road is come in its suitable place that is set at the roadside, periodically sends density instrumentation data behind additional self the identification serial number;
Pedestrian's density data storehouse (601), it, contrasts with the identification serial number of described pedestrian's density sensor, and periodically preserves via network (4,5) collection density instrumentation data from described a plurality of pedestrian's density sensors;
Pedestrian's density region spatial database (602), it is preserved described a plurality of pedestrian's density sensors density instrumentation data separately as the road interval of interval pedestrian's density and the contrasting data of described a plurality of pedestrian's density sensors identification serial number separately;
Map data base (63), it preserves road map information;
Route search unit (614), its for the appointment that comes self terminal (7) the route searching instruction of departure place and destination, search for described map data base and extract a plurality of paths from described departure place to the destination;
Optimal path is selected portion (615), in its a plurality of paths that extract for described route search unit each, with reference to described pedestrian's density region spatial database and pedestrian's density data storehouse, come this zone distance is weighted according to each density, and find out the zone distance that carries out after this weighting and be minimum path by the density instrumentation data in the interval;
Recommendation paths efferent (616), it sends to terminal with the path that the selected portion of described optimal path finds out as recommendation paths.
4. a comfortable walking path search program is characterized in that,
Allow computing machine carry out following steps:
To sign in to a plurality of pedestrian's density sensors (11) density instrumentation data separately as the contrasting data of the road interval of interval pedestrian's density and described a plurality of pedestrian's density sensors identification serial number separately the step of pedestrian's density region spatial database (602), described a plurality of pedestrian's density sensors (11) are set at the suitable place in roadside in advance and come instrumentation pedestrian density, periodically send the densitometer side data behind additional self the identification serial number;
In advance with the step of road map information login in map data base (63);
Pedestrian's density data is collected step (SQ1A), it is via network (4,5) collect the densitometer side data of sending here from described a plurality of pedestrian's density sensors, contrast with the identification serial number of described pedestrian's density sensor, and periodically be kept at described pedestrian's density data storehouse (61);
Route searching step (SQ3A, SQ5A, SQ6A), its for the appointment that comes self terminal (7) the route searching instruction (SQ2A of departure place and destination, SQ4A), search for described map data base and extract a plurality of paths from described departure place to the destination;
Optimal path is selected step (SQ7A～SQ10A), it is in a plurality of paths of extracting in described route searching step each, with reference to described pedestrian's density region spatial database and pedestrian's density data storehouse, come this zone distance is weighted according to each density, and find out the zone distance that carries out after this weighting and be minimum path by the density instrumentation data in the interval; And
Recommendation paths output step (SQ11A), its path that will find out in the selected step of described optimal path sends to terminal as recommendation paths.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP2007227512 | 2007-09-03 | ||
| JP2007-227512 | 2007-09-03 | ||
| JP2007227512A JP4992099B2 (en) | 2007-09-03 | 2007-09-03 | Comfortable walking route search server and program |
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| Publication Number | Publication Date |
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| CN101382432A true CN101382432A (en) | 2009-03-11 |
| CN101382432B CN101382432B (en) | 2011-06-08 |
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| CN200810110163XA Expired - Fee Related CN101382432B (en) | 2007-09-03 | 2008-06-13 | Comfortable walking path search server and program |
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| JP (1) | JP4992099B2 (en) |
| CN (1) | CN101382432B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101382432B (en) | 2011-06-08 |
| JP4992099B2 (en) | 2012-08-08 |
| JP2009058457A (en) | 2009-03-19 |
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