JP2015135303A - Floor number estimation system using portable terminal, portable terminal and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor number estimation system capable of accurately estimating a floor number on which a user exists in a building by using an atmospheric pressure sensor mounted on a portable terminal.SOLUTION: There is provided a floor number estimation system in which a portable terminal having an atmospheric pressure sensor 11 mounted thereon, a communication device 30 being fixedly installed on a predetermined story floor in a building and having an atmospheric pressure sensor 32 mounted thereon, and a server are communicably connected through a network 200. The portable terminal corrects an atmospheric pressure detected by the atmospheric pressure sensor 11 with an offset acquired from the server and transmits the atmospheric pressure to the server. The server estimates a floor number on the basis of a difference between a reference atmospheric pressure received from the communication device and the corrected atmospheric pressure received from the portable terminal. In addition, the portable terminal may also include a function for estimating a floor number on the basis of an output of a mounted acceleration sensor.

Description

  The present invention relates to a floor number estimation system, and more particularly to a floor number estimation system using a mobile terminal.

  In recent years, a method for estimating the number of floors of a user in a building using a barometric sensor mounted on a smartphone has been studied (for example, Non-Patent Document 1). However, the method disclosed in Non-Patent Document 1 has a problem that the estimation accuracy cannot be ensured when there is a fluctuation in atmospheric pressure due to a change in weather conditions.

Suzuki, Shirai, Morisaki, Tanaka, “Fundamental study of in-place estimation method using barometric pressure sensor with built-in Android terminal” 2013 IEICE, B-19-34, p.578

  The present invention has been made in view of the above-described problems in the prior art, and the present invention is capable of accurately estimating the number of floors of a user in a building using a pressure sensor mounted on a mobile terminal. The purpose is to provide a system.

  As a result of earnestly examining the number of floors estimation system that can accurately estimate the number of floors of a user in a building using an atmospheric pressure sensor mounted on a mobile terminal, the present inventor has conceived the following configuration and has arrived at the present invention. It has come.

  That is, according to the present invention, there is provided a floor number estimation system in which at least one portable terminal equipped with a pressure sensor, a communication device equipped with a pressure sensor, and a server are communicably connected via a network. The communication device is fixedly installed on a predetermined floor of a building, and includes an atmospheric pressure transmission unit that transmits an atmospheric pressure detected by the atmospheric pressure sensor to the server, and the portable terminal includes an atmospheric pressure detected by the atmospheric pressure sensor. An offset acquisition unit that transmits an offset acquisition request to the server, acquires an offset from the server, an atmospheric pressure correction unit that corrects the atmospheric pressure detected by the atmospheric pressure sensor with the offset, and a location floor acquisition request that includes the corrected atmospheric pressure. A floor number acquisition means for transmitting to the server and acquiring the floor number from the server, wherein the server receives the latest floor number from the communication device. A reference atmospheric pressure update means for updating the atmospheric pressure as a reference atmospheric pressure, an offset generation means for generating a difference between the atmospheric pressure and the reference atmospheric pressure included in the offset acquisition request as the offset and transmitting the offset to the portable terminal, and the reference atmospheric pressure. Estimating the number of floors based on the pressure difference after correction included in the floor number acquisition request and the pressure difference between the floors of the building obtained in advance, and estimating the number of floors to be transmitted to the mobile terminal A floor number estimation system including a means is provided.

  In the present invention, the mobile terminal further includes an acceleration sensor for detecting vertical acceleration, a current floor number setting unit for setting the current floor number acquired from the server as an initial value, and a vertical position detected by the acceleration sensor. A velocity waveform generating means for generating a velocity waveform by integrating acceleration in a direction, and an evaluation value for generating an evaluation value of the width of the velocity waveform in response to the generation of the velocity waveform of the mountain shape or the valley shape A generation means, a table in which the estimated range of the evaluation value is associated with the moving floor of the building, and a moving floor estimation for estimating the moving floor of the building by comparing the generated evaluation value with the assumed range of the table Means and a floor number updating means for updating the current floor number set in the floor number setting means based on the estimated moving floor number.

  As described above, according to the present invention, there is provided a floor number estimation system that can accurately estimate the number of floors of a user in a building using a barometric sensor mounted on a mobile terminal.

The figure which shows the network structure of the location floor number estimation system of this invention. The functional block diagram of the location number estimation system of 1st Embodiment. The sequence diagram which shows the content of the process performed in 1st Embodiment. The conceptual diagram for demonstrating the content of the location floor number estimation process. The conceptual diagram for demonstrating the content of the location floor number estimation process. The figure which shows the table referred in the location floor number estimation process. The conceptual diagram for demonstrating the content of the location floor number estimation process. The conceptual diagram for demonstrating the content of the location floor number estimation process. The functional block diagram of the location number estimation system of 2nd Embodiment. The sequence diagram which shows the content of the process performed in 2nd Embodiment. The functional block diagram of the location floor number estimation system of 3rd Embodiment. The sequence diagram which shows the content of the process performed in 3rd Embodiment. The functional block diagram of the location number estimation system of 4th Embodiment. The flowchart showing the floor number estimation process using an acceleration sensor. The figure which shows the output waveform (acceleration waveform) of an acceleration sensor. The figure which shows the moving speed waveform of a perpendicular direction. The conceptual diagram for demonstrating an evaluation line. The conceptual diagram for demonstrating an evaluation line. The figure which shows the table referred in the location floor number estimation process. The functional block diagram of the location number estimation system of 5th Embodiment.

  Hereinafter, the present invention will be described with reference to embodiments shown in the drawings, but the present invention is not limited to the embodiments shown in the drawings. In the drawings referred to below, the same reference numerals are used for common elements, and the description thereof is omitted as appropriate.

  FIG. 1 is a diagram showing a network configuration of a floor number estimation system 100 according to the present invention. As shown in FIG. 1, the floor number estimation system 100 of the present invention includes a plurality of portable terminals 10 (1, 2, 3, 4,... N), a communication device 30 for transmitting a reference atmospheric pressure, and a server 40. The mobile terminal 10 and the communication device 30 are connected to a server 40 referred to as a Web server via a network 200 referred to as the Internet, a 3G line, or the like so as to be able to communicate with each other.

  The mobile terminal 10 in the present invention is referred to as an arbitrary mobile communication terminal (smart phone, tablet PC, notebook PC, PDA, etc.), and is equipped with a barometric sensor, preferably further equipped with an acceleration sensor.

  On the other hand, the communication device 30 according to the present invention is equipped with an atmospheric pressure sensor and is referred to as an arbitrary communication device that can transmit the detected atmospheric pressure to the outside. In the present invention, the communication device 30 is a building. It is assumed that it is fixedly installed on a predetermined floor (floor).

  The present invention discloses a method for estimating the number of floors of the mobile terminal 10 in the building based on the difference between the air pressure detected by the air pressure sensor mounted on the communication device 30 and the air pressure detected by the air pressure sensor mounted on the mobile terminal 10. To do. In addition, the present invention discloses a method for estimating the number of floors of the mobile terminal 10 in the building based on the vertical acceleration detected by the acceleration sensor mounted on the mobile terminal 10. FIG. 1 exemplarily shows a case in which the mobile terminal 10 and the communication device 30 are configured by smartphones. In the following, an embodiment of the present invention will be described taking the case shown in FIG. 1 as an example.

(First embodiment)
FIG. 2 shows functional blocks of the floor number estimation system 100A according to the first embodiment of the present invention.

  The smartphone 10 </ b> A according to the present embodiment includes the atmospheric pressure sensor 11 and includes an atmospheric pressure correction unit 12, an offset acquisition unit 13, and a location floor acquisition unit 14. Note that the smartphone 10A is assumed to be carried by a user (or attached to an arbitrary moving body).

  The atmospheric pressure correction unit 12 of the smartphone 10 </ b> A is a functional unit for correcting the atmospheric pressure detected by the atmospheric pressure sensor 11, and the offset acquisition unit 13 is a functional unit for acquiring an offset from the server 40. The floor number acquisition unit 14 is a functional unit for inquiring the server 40 and acquiring the floor number.

  The smartphone 30 used for transmitting the reference atmospheric pressure is fixedly installed on a predetermined floor (preferably the first floor) of a building to which the present system is applied. The smartphone 30 includes an atmospheric pressure sensor 32 and includes an atmospheric pressure transmission unit 34. Here, the atmospheric pressure transmission unit 34 is a functional unit for transmitting the atmospheric pressure detected by the atmospheric pressure sensor 32 to the server 40 at a predetermined sampling interval (for example, every several tens of milliseconds).

  On the other hand, the server 40 </ b> A includes a reference atmospheric pressure update unit 42, an offset generation unit 43, and a location floor number estimation unit 44. Here, the reference atmospheric pressure update unit 42 is a functional unit for updating the latest atmospheric pressure received from the smartphone 30 as the reference atmospheric pressure in the storage unit 45, and the offset generation unit 43 responds to a request from the smartphone 10A. It is a functional unit for generating an offset. The floor number estimation unit 44 is a functional unit for estimating the floor number of the smartphone 10A (that is, the floor number of the user carrying the smartphone 10A) in response to an inquiry from the smartphone 10A.

  Here, the above-mentioned “offset” means a correction amount of atmospheric pressure. In general, barometric pressure sensors mounted on smartphones have high resolution and can detect the amount of change in barometric pressure with high accuracy, but the absolute value of the barometric pressure output is known to vary greatly depending on the model. ing. In view of this point, in the present embodiment, the atmospheric pressure value detected by the smartphone 10A is corrected with an offset.

  The configuration of each device constituting the floor number estimation system 100A has been outlined above. Next, the contents of the processing executed by each functional unit described above will be described based on the sequence diagram shown in FIG. In the following description, FIG. 2 will be referred to as appropriate.

  As shown in FIG. 3, two systems of processes are performed in parallel in this embodiment. Here, first, a process in which the smartphone 10A acquires an offset from the server 40A will be described.

  The offset acquisition unit 13 of the smartphone 10A generates an offset acquisition request in response to a predetermined trigger (S1). Here, what is primarily assumed as a trigger is detection of an operation (input) instructing acquisition of an offset by a user. In this case, in response to detecting a predetermined operation by the user, the offset acquisition unit 13 generates an offset acquisition request including the latest atmospheric pressure detected by the atmospheric pressure sensor 11 and transmits it to the server 40A (S2).

  On the other hand, the reference atmospheric pressure update unit 42 of the server 40A stores the atmospheric pressure periodically received from the reference atmospheric pressure transmitting smartphone 30 as the reference atmospheric pressure in the dedicated area of the storage unit 45, and the offset generation unit 43 of the server 40A In response to receiving the offset acquisition request from the smartphone 10A, the reference atmospheric pressure is read from the storage unit 45 and acquired (S3). Then, the offset generation unit 43 uses the difference between the atmospheric pressure (that is, the atmospheric pressure detected by the atmospheric pressure sensor 11) included in the offset acquisition request and the reference atmospheric pressure (that is, the latest atmospheric pressure detected by the atmospheric pressure sensor 32 of the smartphone 30) as an offset. It generates (S4) and transmits the offset to the smartphone 10A as a response to the offset acquisition request (S5). In response, the smartphone 10A stores the offset received from the server 40A in the dedicated area of the storage unit 15 (S6).

  In the present embodiment, the above-described series of processing is executed every time a predetermined trigger is detected, and the offset stored in the dedicated area of the storage unit 15 of the smartphone 10A is updated to the latest value each time.

  Next, a process in which the smartphone 10A acquires the number of floors from the server 40A will be described.

  The atmospheric pressure correction unit 12 of the smartphone 10 </ b> A corrects the atmospheric pressure detected by the atmospheric pressure sensor 11 using the offset read from the dedicated area of the storage unit 15, and notifies the location level acquisition unit 14 of the corrected atmospheric pressure. The floor number acquisition unit 14 generates a floor number acquisition request including the notified corrected atmospheric pressure (S7), and transmits the floor number acquisition request to the server 40A (S8).

  The floor number estimating unit 44 of the server 40A reads and acquires the reference atmospheric pressure from the dedicated area of the storage unit 45 in response to receiving the floor number acquisition request from the smartphone 10A (S9). Then, the floor number estimation unit 44 calculates the difference between the atmospheric pressure (that is, the corrected atmospheric pressure) included in the location floor acquisition request and the reference atmospheric pressure (that is, the latest atmospheric pressure detected by the atmospheric pressure sensor 32), and the difference The number of floors is estimated based on the pressure difference between the floors of the building (S10). The floor number estimating unit 44 transmits the estimated floor number to the smartphone 10A as a response to the floor number acquisition request (S11). In response, the smartphone 10A stores the received floor number in the dedicated area of the storage unit 15 (S12).

  In the present embodiment, the series of processes described above are repeatedly executed at predetermined intervals, and the number of floors stored in the dedicated area of the storage unit 15 of the smartphone 10A is updated to the latest value each time. The location floor number sequentially updated in the storage unit 15 is read and used by another application executed on the smartphone 10A as necessary.

  Here, as an example of the application executed on the smartphone 10A, an application that executes navigation including movement between floors in a building can be cited. Further, in the present embodiment, the server 40A may be configured to hold the history of the number of floors of each user in the storage unit 45. In that case, the history of the number of floors of the user can be used for arbitrary analysis (for example, grasping a person's flow line accompanying movement between floors in a building).

  Next, the contents of the process executed by the floor number estimating unit 44 of the server 40A will be described based on a specific scenario. In the following description, FIGS. 2 and 3 will be referred to as appropriate.

  In this scenario, as shown in FIG. 4, a smartphone 30 for transmitting a reference atmospheric pressure is fixedly installed on the first floor of a 12-story building 300 including an elevator 302, and the smartphone 30 detects the atmospheric pressure detected on the first floor. Is periodically transmitted to the server 40.

  A user who enters the building 300 operates the smartphone 10 carried on the first floor and performs a predetermined operation for instructing acquisition of an offset. As a result, the difference “+1.5 [hPa]” between the pressure value “1013.05 [hPa]” detected by the smartphone 30 and the pressure value “1011.55 [hPa]” detected by the smartphone 10 at that time is used as the offset. 10 (FIG. 3: S1 to S6).

  Thereafter, as shown in FIG. 5, the user rides on the elevator 302 and goes up to 10F. At this time, the atmospheric pressure value detected by the smartphone 10 carried by the user changes from “1011.55 [hPa]” to “1008.42 [hPa]”. At this time, the smartphone 10 transmits a floor number acquisition request including the atmospheric pressure value “1009.92 [hPa]” obtained by correcting “1008.42 [hPa]” with the offset “+1.5 [hPa]” to the server 40 (FIG. 3: S7-S8).

  When receiving the floor number acquisition request from the smartphone 10, the server 40 estimates the number of floors of the user in the following procedure (FIG. 3: S9 to S10).

  The floor number estimating unit 44 of the server 40 first calculates a difference “3.13 [hPa]” between the reference atmospheric pressure “1013.05 [hPa]” and the corrected atmospheric pressure value “1009.92 [hPa]” included in the floor number acquisition request. Ask. Here, in the present embodiment, a pressure difference between adjacent floors, that is, a change amount of air pressure “0.35 [hPa]” per height (3.5 m) of the first floor of the building 300 is obtained in advance. It is stored in the storage unit 45.

  The floor number estimation unit 44 reads the amount of change in atmospheric pressure per level for the first floor “0.35 [hPa]” from the storage unit 45, and then reads the previously obtained difference “3.13 [hPa]” A value “10” obtained by adding “1” to the value “9” obtained by rounding off the first decimal place of the quotient “8.94...” Divided by the change amount “0.35 [hPa]” is estimated as the current floor number. That is, the floor number estimating unit 44 sets the smartphone 30 to the value “X” obtained by rounding off the first decimal place of the quotient obtained by dividing the previously obtained difference in atmospheric pressure by the amount of change in atmospheric pressure per floor. A value “X + N” obtained by adding the number of floors “N” of the floors to be used is estimated as the current floor number.

  The floor number estimation unit 44 can also estimate the floor number by the following alternative method. That is, the location floor estimation unit 44 of the server 40 calculates the difference “3.13 [hPa]” between the reference atmospheric pressure “1013.05 [hPa]” and the corrected atmospheric pressure value “1009.92 [hPa]” included in the location floor acquisition request. Ask. Here, in another method, the table 500 shown in FIG. 6 is stored in the storage unit 45, and the located floor number estimation unit 44 reads the table 500 from the storage unit 45.

  The table 500 is a reference table that manages the number of floors of the building 300 in association with the assumed range of the difference between the atmospheric pressure of the first floor of the building 300 and the atmospheric pressure of the floor of the number of floors. A pressure difference between the first floor of the building 300 and each floor (atmospheric pressure difference between floors) obtained in advance by a theoretical formula is set in the table 500.

  The floor number estimation unit 44 obtains the floor number of the building by comparing the previously obtained difference “3.13 [hPa]” against the table 500. In this case, since the difference “3.13 [hPa]” is included in the assumed atmospheric pressure difference range “3.15 ± 0.1”, the located floor number estimation unit 44 sets the number of floors “10” associated with the assumed range as the located floor number. presume.

  The floor number estimation unit 44 transmits the estimated floor number “10” to the smartphone 10. In response to this, the smartphone 10 stores the floor number “10” in the storage unit 15 (FIG. 3: S11 to S12).

  While the user stays on the 10th floor, the weather changes (sunny → rain), and the pressure detected by the smartphone 30 installed on the 1st floor is changed from “1013.05 [hPa]” to “1012.15 [hPa]. “It has changed. At this time, as shown in FIG. 7, when the user gets on the elevator 302 and goes down from 10F to 3F, the smartphone 10 carried by the user detects the atmospheric pressure value “1009.93 [hPa]”. At this time, the smartphone 10 transmits the floor number acquisition request including the atmospheric pressure value “1011.43 [hPa]” obtained by correcting “1009.93 [hPa]” with the offset “+1.5 [hPa]” to the server 40 (FIG. 3: S7-S8).

  When the location floor estimation unit 44 of the server 40 receives the location floor acquisition request from the smartphone 10, the corrected atmospheric pressure value “1011.43 [hPa]” included in the location floor acquisition request and the reference atmospheric pressure (that is, the smartphone 30 at this time). Of the atmospheric pressure value “1012.15 [hPa]”) detected by the computer is obtained, and the difference “0.72 [hPa]” is read from the storage unit 45 of the atmospheric pressure per one floor. A value “3” obtained by adding 1 to the value “2” obtained by rounding off the first decimal place of the quotient “2.05...” Divided by the variation “0.35 [hPa]” is estimated as the current location floor number (FIG. 3: S9). ~ S10).

  Alternatively, the floor number estimating unit 44 of the server 40 obtains the floor number of the building by referring to the table 500 shown in FIG. 6 with the previously obtained difference “0.72 [hPa]” according to another method. In this case, since “0.72 [hPa]” is included in the assumed pressure difference range “0.7 ± 0.1”, the floor number estimating unit 44 estimates the floor number “3” associated with the assumed range as the floor number. To do.

  The floor number estimation unit 44 transmits the estimated floor number “3” to the smartphone 10. In response, the smartphone 10 updates the location floor value “10” stored in the storage unit 15 to “3” (FIG. 3: S11 to S12).

  The weather changes again (rain → sunny) while the user stays on the 3rd floor. Accordingly, the atmospheric pressure detected by the smartphone 30 installed on the first floor changes from “1012.15 [hPa]” to “1013.15 [hPa]”. At this time, as shown in FIG. 8, when the user gets on the elevator 302 and goes down from 3F to 1F, the smartphone 10 carried by the user detects the atmospheric pressure value “1011.58 [hPa]”. At this time, the smartphone 10 transmits a floor number acquisition request including the atmospheric pressure value “1013.08 [hPa]” obtained by correcting “1011.58 [hPa]” with the offset “+1.5 [hPa]” to the server 40 (FIG. 3: S7-S8).

  When the location floor estimation unit 44 of the server 40 receives the location floor acquisition request from the smartphone 10, the corrected atmospheric pressure value “1013.08 [hPa]” included in the location floor acquisition request and the reference atmospheric pressure (that is, the smartphone 30 at this time). The difference “0.07 [hPa]” of the atmospheric pressure value “1013.15 [hPa]”) detected by the computer is obtained, and the difference “0.07 [hPa]” is read from the storage unit 45 of the atmospheric pressure per height of the first floor. The value “1” obtained by adding 1 to the value “0” obtained by rounding off the first decimal place of the quotient “0.2” divided by the variation “0.35 [hPa]” is estimated as the current floor number, and the result is the smartphone 10 (FIG. 3: S11).

  Alternatively, the floor number estimating unit 44 of the server 40 obtains the floor number of the building by comparing the previously obtained difference “0.07 [hPa]” against the table 500 shown in FIG. In this case, since “0.07 [hPa]” is included in the assumed pressure difference range “0.00 ± 0.1”, the floor number estimating unit 44 estimates the floor number “1” associated with the assumed range as the floor number. To do.

  The floor number estimation unit 44 transmits the estimated floor number “3” to the smartphone 10. In response, the smartphone 10 updates the location floor number value “3” stored in the storage unit 15 to “1” (FIG. 3: S11 to S12).

  As described above, the floor number estimation system 100A according to the present embodiment can always estimate the user's floor number with high accuracy without being affected by atmospheric pressure fluctuation due to weather changes. In addition, it is preferable that the location estimation system 100A of this embodiment employ | adopts the following structures from a viewpoint of a precision improvement.

  In the present embodiment, the offset acquisition unit 13 of the smartphone 10 </ b> A generates an offset acquisition request triggered by the fact that the value of the number of floors stored in the storage unit 15 matches the floor number of the floor on which the smartphone 30 is installed. It is preferable to configure as described above. If the smartphone 30 is installed on the floor (for example, 1F) that the user visits most frequently, the timely optimization of the offset can be achieved with this configuration.

  In addition, the barometric pressure transmission unit 34 of the smartphone 30 used for the reference barometric pressure transmission generates an appropriate noise filter (if the difference between the latest sampling value and the previous sampling value exceeds a predetermined threshold, the latest sampling value is Etc.) is preferable. Further, the floor number estimating unit 44 of the server 40A determines that a misjudgment due to noise has occurred when the time from the previous floor floor number estimation to the latest floor floor number estimation does not reach a predetermined threshold (for example, 5 seconds). It is preferable to have a function of rejecting the latest estimation result.

  The first embodiment for estimating the number of floors on the server 40 side has been described above. However, in the present invention, the floor number estimation process similar to that described above can also be performed on the smartphone 10 side. Hereinafter, a second embodiment for estimating the number of floors on the smartphone 10 side will be described.

(Second Embodiment)
FIG. 9 shows functional blocks of a floor number estimation system 100B according to the second embodiment of the present invention. In the following description, differences from the above-described first embodiment will be exclusively described, and description of contents common to the first embodiment will be omitted as appropriate.

  In the present embodiment, the smartphone 10 </ b> B includes an atmospheric pressure sensor 11, an atmospheric pressure correction unit 12, a reference atmospheric pressure acquisition unit 16, an offset generation unit 17, and a location floor number estimation unit 18.

  Here, the reference atmospheric pressure acquisition unit 16 is a functional unit for acquiring the reference atmospheric pressure from the server 40B, the offset generation unit 17 is a functional unit for generating an offset, and the located floor number estimation unit 18 is a smartphone. It is a functional unit for estimating the number of floors of 10B.

  On the other hand, the server 40B includes a reference atmospheric pressure update unit 42 and a reference atmospheric pressure transmission unit 46. Here, the reference atmospheric pressure transmission unit 46 is a functional unit for transmitting the reference atmospheric pressure in response to a request from the smartphone 10B.

  The configuration of each device constituting the floor number estimation system 100B has been outlined above. Next, the contents of the processing executed by each functional unit described above will be described based on the sequence diagram shown in FIG. In the following description, FIG. 9 will be referred to as appropriate.

  As shown in FIG. 10, in this embodiment, three systems of processing are performed in parallel. Here, first, a series of processes in which the smartphone 10B inquires of the server 40B and acquires the reference atmospheric pressure will be described.

  The reference atmospheric pressure acquisition unit 16 of the smartphone 10B transmits a reference atmospheric pressure acquisition request to the server 40B (S1). In response to receiving the reference atmospheric pressure acquisition request from the smartphone 10B, the reference atmospheric pressure transmission unit 46 of the server 40B reads and acquires the reference atmospheric pressure from the storage unit 45 (S2), and uses this as a response to the reference atmospheric pressure acquisition request. It transmits to the smart phone 10B (S3). In response to this, the smartphone 10B stores the reference atmospheric pressure received from the server 40B in the dedicated area of the storage unit 15 (S4). The series of processes described above are repeatedly executed at predetermined intervals, and the reference atmospheric pressure stored in the dedicated area of the storage unit 15 is updated to the latest value each time.

  Next, a process in which the smartphone 10B generates an offset will be described. The offset generation unit 17 of the smartphone 10B generates an offset in response to a predetermined trigger (S5). Here, what is primarily assumed as a trigger is detection of an operation (input) instructing acquisition of an offset by a user. In this case, the offset generation 17 reads the latest reference atmospheric pressure from the storage unit 15 in response to detecting a predetermined operation by the user, and generates the difference between the reference atmospheric pressure and the atmospheric pressure detected by the atmospheric pressure sensor 11 as an offset. (S5), and this is stored in a dedicated area of the storage unit 15 (S6).

  In the present embodiment, the process for generating the offset described above is executed every time a predetermined trigger is detected, and the offset stored in the dedicated area of the storage unit 15 of the smartphone 10B is updated to the latest value each time. Is done.

  Finally, the process in which the smartphone 10B estimates the number of floors will be described. The atmospheric pressure correction unit 12 of the smartphone 10B corrects the atmospheric pressure detected by the atmospheric pressure sensor 11 using the latest offset stored in the storage unit 15 (S7), and notifies the location level estimation unit 18 of the corrected atmospheric pressure. . The floor number estimating unit 18 obtains the latest reference atmospheric pressure stored in the storage unit 45 (S8), the difference between the corrected atmospheric pressure and the reference atmospheric pressure notified from the atmospheric pressure correction unit 12, and the atmospheric pressure between the floors of the building. Based on the difference, the number of floors is estimated (S9). Since the procedure for estimating the number of floors is the same as that described in the first embodiment, further description thereof is omitted here.

  The floor number estimation unit 18 stores the estimated floor number in the dedicated area of the storage unit 15 (S12). In the present embodiment, the series of processes described above are repeatedly executed at predetermined intervals, and the number of floors stored in the dedicated area of the storage unit 15 of the smartphone 10B is updated to the latest value each time. The number of floors that are sequentially updated in the storage unit 15 is read and used by other applications that are executed on the smartphone 10B as necessary. Also in the present embodiment, the server 40B may be configured to hold the history of the number of floors of each user in the storage unit 45.

  The present invention has been described based on the second embodiment in which the number of floors is estimated on the smartphone 10 side. Subsequently, the present invention is described on the basis of the third embodiment in which the number of floors is estimated on the server 40 side. To do.

(Third embodiment)
FIG. 11 shows functional blocks of a floor number estimating system 100C according to the third embodiment of the present invention. In the following description, differences from the above-described first embodiment will be exclusively described, and descriptions of contents common to the first embodiment will be omitted as appropriate.

  In the present embodiment, the smartphone 10 </ b> C includes an atmospheric pressure sensor 11, an atmospheric pressure correction unit 12, an offset acquisition unit 13, and a corrected atmospheric pressure transmission unit 19.

  Here, the corrected atmospheric pressure transmission unit 19 is a functional unit for periodically transmitting the atmospheric pressure corrected by the atmospheric pressure correction unit 12 to the server 40C.

  On the other hand, the server 40C includes a reference atmospheric pressure update unit 42, an offset generation unit 43, and a location floor number estimation unit 44, and has a function equivalent to that of the server 40A in the first embodiment.

  The outline of the configuration of each device constituting the floor number estimation system 100C has been described above. Next, the contents of the processing executed by each functional unit described above will be described based on the sequence diagram shown in FIG. In the following description, FIG. 11 will be referred to as appropriate.

  As shown in FIG. 12, two systems of processing are performed in parallel in this embodiment. One is a series of processes in which the smartphone 10C inquires of the server 40B to obtain an offset. In this regard, the smartphone 10C performs a process equivalent to the content (S1 to S6) of FIG. 3 according to the first embodiment. Implement and obtain an offset from the server 40C. The process for generating the offset described above is executed every time a predetermined trigger is detected, and the offset stored in the dedicated area of the storage unit 15 of the smartphone 10C is updated to the latest value each time.

  Next, processing in which the server 40C estimates the number of floors will be described. The atmospheric pressure correction unit 12 of the smartphone 10C corrects the atmospheric pressure detected by the atmospheric pressure sensor 11 using the latest offset read from the dedicated area of the storage unit 15 (S7), and the corrected atmospheric pressure is sent to the corrected atmospheric pressure transmission unit 19. Notice. In response, the corrected atmospheric pressure transmission unit 19 transmits the corrected atmospheric pressure to the server 40C (S8).

  The floor number estimating unit 44 of the server 40C reads and acquires the latest reference atmospheric pressure from the storage unit 45 in response to receiving the corrected atmospheric pressure from the smartphone 10C (S9), and receives the corrected atmospheric pressure and The number of floors is estimated based on the difference in the reference atmospheric pressure and the atmospheric pressure difference between the floors of the building (S10). Since the procedure for estimating the number of floors is the same as that described in the first embodiment, further description thereof is omitted here.

  The floor number estimation unit 44 stores the estimated floor number in the dedicated area of the storage unit 45 (S11). In the present embodiment, the series of processes described above are repeatedly executed at predetermined intervals, and the number of floors stored in the dedicated area of the storage unit 45 of the server 40C is updated to the latest value each time. The location floor number sequentially updated in the storage unit 45 is read and used by another application executed on the server 40C as necessary.

  Here, as an example of an application executed on the server 40C, an application for the purpose of grasping the location of a device (medical device, construction machine, etc.) used by moving between floors in a building or a floor in the building An application for the purpose of automatic operation control of a transport vehicle that moves between them can be cited.

  So far, three embodiments have been described in which the number of floors is estimated using a barometric sensor mounted on the smartphone 10. On the other hand, many recent smartphones are equipped with an acceleration sensor as standard. In this regard, the present invention discloses a method for estimating the number of floors using an acceleration sensor. Hereinafter, two embodiments in which a function of estimating the number of floors using an acceleration sensor is added to the above-described configuration will be described.

(Fourth embodiment)
FIG. 13 shows functional blocks of a floor number estimation system 100D that is the fourth embodiment of the present invention. The floor number estimation system 100D of the fourth embodiment includes all the configurations of the floor number estimation system 100A of the first embodiment described above, and has a configuration for estimating the floor number using an acceleration sensor. It is an addition. Therefore, in the following, differences from the first embodiment described above will be described exclusively, and descriptions of configurations and processes common to the first embodiment will be omitted as appropriate.

  As illustrated in FIG. 13, the smartphone 10 </ b> D includes an acceleration sensor 21, in addition to the atmospheric pressure sensor 11, the atmospheric pressure correction unit 12, the offset acquisition unit 13, and the location floor acquisition unit 14 provided in the smartphone 10 </ b> A according to the first embodiment. A velocity waveform generation unit 22, a floor number setting unit 23, an evaluation value generation unit 24, a moving floor number estimation unit 25, and a floor number update unit 26 are configured.

  Here, the acceleration sensor 21 is an acceleration sensor (for example, a triaxial acceleration sensor) that detects acceleration in the vertical direction, and the velocity waveform generation unit 22 relates to the movement speed in the vertical direction based on the output of the acceleration sensor 21. The floor number setting unit 23 is a functional unit for generating a velocity waveform, and is a functional unit for setting the current floor number as an initial value. The evaluation value generation unit 24 is a functional unit for generating an evaluation value of the width of the velocity waveform generated by the velocity waveform generation unit 22, and the moving rank estimation unit 25 is an evaluation generated by the evaluation value generation unit 24. The floor number updating unit 26 is a functional unit for updating the current floor number based on the moving floor number estimated by the moving floor number estimating unit 25. is there.

  The configuration of the smartphone 10D has been outlined above. Next, the contents of the processing executed by each functional unit described above will be described based on the flowchart shown in FIG. In the following description, FIG. 13 is referred to as appropriate.

  In this embodiment, regarding the process of estimating the number of floors using an acceleration sensor, the two systems shown in FIG. 14 are performed in parallel. Here, the flow shown in FIG. 14A will be described first.

  The speed waveform generation unit 22 of the smartphone 10D acquires vertical acceleration based on the output of the acceleration sensor 21 (step 101), integrates the vertical acceleration, and generates a speed waveform related to the vertical movement speed. (Step 102). The speed waveform generation unit 22 always executes the speed waveform generation process in the background.

  FIG. 15 exemplarily shows an output waveform (acceleration waveform) of the acceleration sensor 21 when the user carrying the smartphone 10D moves on the elevator and moves between the floors of the building (12F → 9F, 9F → 10F). The speed waveform generation unit 22 generates a moving speed waveform in the vertical direction by integrating a value (acceleration component) obtained by subtracting a predetermined offset level g from the value of the acceleration waveform shown in FIG.

Here, the offset level g may be set to the Z-axis output value of the acceleration sensor 21 in a stationary state (for example, when the Z-axis direction of the acceleration sensor 21 completely coincides with the vertical direction, the gravitational acceleration is set. (≈9.8 m / s ² ) is set as the offset level g). Preferably, the level at which the integrated value of the Z-axis output of the acceleration sensor 21 in a stationary state is approximately zero is set.

  FIG. 16 shows a movement velocity waveform in the vertical direction generated based on the acceleration waveform shown in FIG. As shown in FIG. 16, when the elevator descends (12F → 9F), a valley-shaped speed waveform is generated, and when the elevator ascends (9F → 10F), a mountain-shaped speed waveform is generated.

  Next, the flow shown in FIG. 14B performed in parallel with the speed waveform generation process described above will be described.

  The floor number setting unit 23 of the smartphone 10D waits for input of an initial value of the floor number (step 201). When an initial value of the floor number is input from the user (step 201, Yes), the floor number setting unit 23 uses the current floor number (for example, “1”) input by the user as an initial value, and the storage unit 15 Is set in the dedicated area 15a (step 202).

When the initial value of the number of floors is set, the evaluation value generation unit 24 of the smartphone 10D determines, for example, by the following procedure that a mountain-shaped or valley-shaped velocity waveform has been formed. It is determined whether or not the state in which the absolute value of the velocity waveform value V generated by the velocity waveform generation unit 22 exceeds the predetermined threshold value V _Th continues for the time T1 (step 203). Here, appropriate values (for example, V _Th = 5 km / h, T1 = 2 seconds) suitable for the purpose of detecting the start of the movement of the elevator are preset as the threshold values V _Th and T1 time.

As a result of the determination in step 203, when the state exceeding the predetermined threshold value V _Th continues for T1 time (step 203, Yes), the evaluation value generation unit 24 subsequently determines that the absolute value of the velocity waveform value V is substantially zero. It is determined whether or not this state continues for T2 time (step 204). Here, an appropriate value suitable for the purpose of detecting the stop of the elevator (for example, T2 = 5 seconds) is set in advance as the T2 time.

  As a result of the determination in step 204, when the state in which the absolute value of the velocity waveform value V is substantially zero continues for T2 time (step 204, Yes), the evaluation value generator 24 generates the velocity waveform generated immediately before. An evaluation value W is generated for (step 205).

  Here, the evaluation value W in the present embodiment will be described. As shown in FIG. 16, in the present embodiment, a valley-shaped speed waveform is generated when the elevator rises, and a mountain-shaped speed waveform is generated when the elevator descends. The width of the generated speed waveform and the moving floor have a positive correlation, and the width of the speed waveform increases as the moving floor increases. This embodiment pays attention to this point, and the evaluation value generation unit 24 draws an evaluation line parallel to the time axis crossing the velocity waveform in accordance with a predetermined rule, and the evaluation line and the velocity waveform intersect. A distance between two intersections is generated as an evaluation value W. Hereinafter, an example of how to draw the evaluation line described above will be described.

  FIG. 17 shows an example in which a dedicated evaluation line is defined for each of elevator ascent and descent, and this is used regularly. In this example, in a graph representing a velocity waveform, two straight lines are drawn at a predetermined distance M from a straight line parallel to the time axis passing through zero speed, and the straight lines are defined as an evaluation line L1 and an evaluation line L2. In this case, when the valley-shaped velocity waveform is generated, the evaluation value generation unit 24 generates the distance between two intersections where the evaluation line L2 and the velocity waveform intersect as the evaluation value W, and the mountain-shaped velocity When the waveform is generated, the distance between two intersections where the evaluation line L1 and the velocity waveform intersect is generated as the evaluation value W.

  On the other hand, FIG. 18 shows an example in which an evaluation line is dynamically defined. In this example, every time a velocity waveform is generated, a straight line is drawn at a predetermined distance m from a straight line L ′ parallel to the time axis passing through the extreme value of the velocity waveform, and the straight line is used as the evaluation line L. . In this example, each time the velocity waveform is generated, the evaluation value generation unit 24 defines an evaluation line L unique to the velocity waveform, and calculates the distance between two intersections where the evaluation line L and the velocity waveform intersect. Generated as an evaluation value W.

  Returning to FIG. 14B, the description will be continued. When the evaluation value generation unit 24 generates the evaluation value W of the velocity waveform in step 205, the moving floor estimation unit 25 estimates the moving floor from the generated evaluation value W (step 206). Specifically, the moving floor estimation unit 25 reads the table 600 shown in FIG. 19 from the storage unit 15 and estimates the moving floor by referring to the generated evaluation value W against the table 600.

  Here, the table 600 is a reference table that associates and manages the moving floor of the elevator and the assumed range of the evaluation value W, and in this embodiment, for each moving floor of the elevator that is obtained in advance by performing preliminary measurement or simulation. An assumed range of the evaluation value W relating to the velocity waveform is set in the table 600.

  When the moving floor number estimating unit 25 estimates the moving floor number in step 206, the located floor number updating unit 26 updates the current floor number based on the moving floor number estimated by the moving floor number estimating unit 25 (step 207). Specifically, when a mountain-shaped velocity waveform is generated, a value obtained by adding the moving floor estimated by the moving floor estimating unit 25 to the number of floors set in the dedicated area 15a of the storage unit 15 is the current value. Update as the number of floors. When a valley-shaped velocity waveform is generated, a value obtained by subtracting the moving floor number estimated by the moving floor number estimation unit 25 from the floor number set in the dedicated area 15a is updated as the current floor number. In this embodiment, it is preferable to update the offset level g used by the velocity waveform generation unit 22 at this time.

(Fifth embodiment)
FIG. 20 shows functional blocks of a floor number estimation system 100E that is the fifth embodiment of the present invention. The floor number estimation system 100D of the fifth embodiment includes all the configurations of the floor number estimation system 100B of the second embodiment described above, and has a configuration for estimating the floor number using an acceleration sensor. It is an addition. Therefore, in the following, differences from the second embodiment described above will be described exclusively, and descriptions of configurations and processes common to the second embodiment will be omitted as appropriate.

  As illustrated in FIG. 20, the smartphone 10 </ b> E is added to the atmospheric pressure sensor 11, the atmospheric pressure correction unit 12, the reference atmospheric pressure acquisition unit 16, the offset generation unit 17, and the location floor number estimation unit 18 provided in the smartphone 10 </ b> B according to the second embodiment. The acceleration sensor 21, the velocity waveform generation unit 22, the located floor number setting unit 23, the evaluation value generation unit 24, the moving floor number estimation unit 25, and the located floor number update unit 26 are configured.

  The acceleration sensor 21, the velocity waveform generation unit 22, the location floor setting unit 23, the evaluation value generation unit 24, the moving floor estimation unit 25, and the location floor update unit 26 illustrated in FIG. 20 have the same functions as those in the fourth embodiment. Therefore, further explanation is omitted here.

  As described above, in the fourth embodiment and the fifth embodiment, the estimation of the number of floors using the pressure sensor and the estimation of the number of floors using the acceleration sensor are performed in parallel, and two estimation results are obtained. can get. Therefore, for example, even when the smartphone 10 is in an offline state due to the deterioration of the communication state, the estimation result using the acceleration sensor can be used. In addition, in the present invention, two estimation results can be used as follows.

  For example, in the present invention, the estimation result using the atmospheric pressure sensor can be configured to be set as the initial value in the location floor number estimation using the acceleration sensor. Moreover, in this invention, it can comprise so that an offset may be updated in response to the estimation result using an acceleration sensor, and the floor number of the floor where the smart phone 30 is installed corresponding. Furthermore, the present invention can be configured to adopt the estimation result only when the estimation result using the atmospheric pressure sensor matches the estimation result using the acceleration sensor.

  In addition, it cannot be overemphasized that this invention can be grasped | ascertained as an invention which concerns on the portable terminal carrying only the floor number estimation means using an acceleration sensor.

  Although the present invention has been described with the embodiment, the present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the communication device 30 for transmitting the reference atmospheric pressure may be configured to transmit the atmospheric pressure in response to a request from the server 40, and is illustrated in FIGS. Each loop process may be a sequential process in response to a request from another application. Moreover, in embodiment mentioned above, although the aspect which preserve | saves an offset locally was demonstrated of the smart phone 10, you may make it manage an offset for every portable terminal by the server 40 side. In this case, the server 40 corrects the uncorrected atmospheric pressure received from the smartphone 10 with the offset associated with the smartphone 10 and provides the estimated floor number. In addition, it is included in the scope of the present invention as long as the effects and effects of the present invention are exhibited within the scope of embodiments that can be considered by those skilled in the art.

  Note that each function of the above-described embodiment can be realized by a device-executable program described in C, C ++, C #, Java (registered trademark), and the like. The program of this embodiment includes a hard disk device, a CD-ROM. , MO, DVD, flexible disk, EEPROM, EPROM and the like can be stored and distributed in a device-readable recording medium, and can be transmitted via a network in a format that other devices can.

10 ... Mobile terminal (smartphone)
DESCRIPTION OF SYMBOLS 11 ... Barometric pressure sensor 12 ... Barometric pressure correction part 13 ... Offset acquisition part 14 ... Location floor acquisition part 15 ... Memory | storage part 16 ... Reference | standard atmospheric | air pressure acquisition part 17 ... Offset generation part 18 ... Location floor number estimation part 19 ... Correction | amendment atmospheric pressure transmission part 21 ... Acceleration Sensor 22 ... Speed waveform generation unit 23 ... Location floor number setting unit 24 ... Evaluation value generation unit 25 ... Moving floor number estimation unit 26 ... Location floor number update unit 30 ... Communication device (smart phone)
32 ... Barometric pressure sensor 34 ... Barometric pressure transmission unit 40 ... Server 42 ... Reference atmospheric pressure update unit 43 ... Offset generation unit 44 ... Location floor estimation unit 45 ... Storage unit 46 ... Reference atmospheric pressure transmission unit 100 ... Location floor number estimation system 200 ... Network 300 ... Building 302 ... Elevator 500 ... Table 600 ... Table

Claims (28)

A floor number estimating system in which at least one mobile terminal equipped with a pressure sensor, a communication device equipped with a pressure sensor, and a server are connected to be communicable via a network,
The communication device
It is fixedly installed on the predetermined floor of the building,
Including atmospheric pressure transmission means for transmitting the atmospheric pressure detected by the atmospheric pressure sensor to the server;
The portable terminal is
An offset acquisition means for transmitting an offset acquisition request including the atmospheric pressure detected by the atmospheric pressure sensor to the server, and acquiring an offset from the server;
Atmospheric pressure correction means for correcting the atmospheric pressure detected by the atmospheric pressure sensor with the offset;
A floor number acquisition means for transmitting a floor number acquisition request including the corrected atmospheric pressure to the server, and acquiring the floor number from the server;
The server
Reference atmospheric pressure update means for updating the latest atmospheric pressure received from the communication device as a reference atmospheric pressure;
An offset generation means for generating a difference between the atmospheric pressure and the reference atmospheric pressure included in the offset acquisition request as the offset and transmitting the difference to the mobile terminal;
Estimating the number of floors based on the difference between the reference barometric pressure and the corrected barometric pressure included in the floor number acquisition request and the pressure difference between the floors of the building determined in advance, and transmitting the floor number to the mobile terminal A floor number estimating system including a floor number estimating means. The floor number estimating means is
The value obtained by rounding off the first decimal place of the quotient obtained by dividing the difference between the reference atmospheric pressure and the corrected atmospheric pressure included in the location floor acquisition request by the atmospheric pressure difference between adjacent floors of the building obtained in advance. A value obtained by adding the number of floors of a predetermined floor is estimated as the number of floors.
The floor number estimating system according to claim 1. The floor number estimating means is
The difference between the reference atmospheric pressure and the corrected atmospheric pressure included in the floor number acquisition request corresponds to the floor number of the building and the assumed range of the difference between the atmospheric pressure of the predetermined floor and the atmospheric pressure of the floor of the floor. Obtain the number of floors of the building in light of the attached table, and estimate the obtained number of floors as the number of floors located;
The floor number estimating system according to claim 1. The mobile terminal further includes:
An acceleration sensor for detecting vertical acceleration;
A floor number setting means for setting the current floor number acquired from the server as an initial value;
A velocity waveform generating means for integrating a vertical acceleration detected by the acceleration sensor to generate a velocity waveform;
An evaluation value generation means for generating an evaluation value of the width of the velocity waveform in response to the generation of the velocity waveform of the mountain shape or the valley shape;
A table associating the estimated range of the evaluation value with the moving floor of the building;
A moving floor estimation means for estimating the generated floor of the building in light of the generated evaluation value in the assumed range of the table;
A floor number updating unit that updates the current floor number set in the floor number setting unit based on the estimated moving floor number,
The location floor number estimation system according to any one of claims 1 to 3. The offset acquisition means includes
Transmitting the offset acquisition request to the server in response to the current floor number being updated by the floor number updating means being in agreement with the floor number of the predetermined floor;
The floor number estimation system according to claim 4.
A floor number estimating system in which at least one mobile terminal equipped with a pressure sensor, a communication device equipped with a pressure sensor, and a server are connected to be communicable via a network,
The communication device
It is fixedly installed on the predetermined floor of the building,
Including atmospheric pressure transmission means for transmitting the atmospheric pressure detected by the atmospheric pressure sensor to the server;
The server
Reference atmospheric pressure update means for updating the latest atmospheric pressure received from the communication device as a reference atmospheric pressure;
Reference air pressure transmitting means for transmitting the reference air pressure in response to a request from the mobile terminal,
The portable terminal is
A reference atmospheric pressure acquisition means for transmitting a reference atmospheric pressure acquisition request to the server and acquiring the reference atmospheric pressure from the server;
Offset generating means for generating a difference between the atmospheric pressure detected by the atmospheric pressure sensor and the reference atmospheric pressure as an offset;
Atmospheric pressure correction means for correcting the atmospheric pressure detected by the atmospheric pressure sensor with the offset;
A floor number estimating system including a floor number estimating means for estimating a floor number based on a difference between the corrected atmospheric pressure and the reference atmospheric pressure and a pressure difference between floors of the building determined in advance. The floor number estimating means is
The floor number of the predetermined floor is added to the value obtained by rounding off the first decimal place of the quotient obtained by dividing the difference between the corrected atmospheric pressure and the reference atmospheric pressure by the pressure difference between adjacent floors of the building obtained in advance. Estimated value as the number of floors,
The floor number estimation system according to claim 6. The floor number estimating means is
The difference between the reference atmospheric pressure and the corrected atmospheric pressure is compared with a table in which the number of floors of the building is associated with an estimated range of the difference between the atmospheric pressure of the predetermined floor and the atmospheric pressure of the floor of the floor. The number of floors is estimated, and the acquired number of floors is estimated as the floor number.
The floor number estimation system according to claim 6. The mobile terminal further includes:
An acceleration sensor for detecting vertical acceleration;
A floor number setting means for setting the current floor number estimated by the floor number estimating means as an initial value;
A velocity waveform generating means for integrating a vertical acceleration detected by the acceleration sensor to generate a velocity waveform;
An evaluation value generation means for generating an evaluation value of the width of the velocity waveform in response to the generation of the velocity waveform of the mountain shape or the valley shape;
A table associating the estimated range of the evaluation value with the moving floor of the building;
A moving floor estimation means for estimating the generated floor of the building in light of the generated evaluation value in the assumed range of the table;
A floor number updating unit for updating the current floor number set based on the estimated moving floor number;
The floor number estimation system according to any one of claims 6 to 8. The offset generation means includes
Generating the offset in response to the current floor number updated by the floor number updating means matching the floor number of the predetermined floor;
The location floor number estimation system according to claim 9. A floor number estimating system in which at least one mobile terminal equipped with a pressure sensor, a communication device equipped with a pressure sensor, and a server are connected to be communicable via a network,
The communication device
It is fixedly installed on the predetermined floor of the building,
Including atmospheric pressure transmission means for transmitting the atmospheric pressure detected by the atmospheric pressure sensor to the server;
The portable terminal is
An offset acquisition means for transmitting an offset acquisition request including the atmospheric pressure detected by the atmospheric pressure sensor to the server, and acquiring an offset from the server;
Atmospheric pressure correction means for correcting the atmospheric pressure detected by the atmospheric pressure sensor with the offset;
Corrected atmospheric pressure transmitting means for transmitting the corrected atmospheric pressure to the server,
The server
Reference atmospheric pressure update means for updating the latest atmospheric pressure received from the communication device as a reference atmospheric pressure;
An offset generation means for generating a difference between the atmospheric pressure and the reference atmospheric pressure included in the offset acquisition request as the offset and transmitting the difference to the mobile terminal;
Location floor number estimation means including a floor number estimation means for estimating a floor number based on a difference between the corrected atmospheric pressure received from the mobile terminal and the reference atmospheric pressure and a pressure difference between floors of the building determined in advance system. The floor number estimating means is
A value obtained by rounding off the first decimal place of the quotient obtained by dividing the difference between the corrected atmospheric pressure received from the mobile terminal and the reference atmospheric pressure by the atmospheric pressure difference between adjacent floors of the building obtained in advance. The value obtained by adding the number of floors is estimated as the floor number.
The floor number estimation system according to claim 11. The floor number estimating means is
The difference between the reference atmospheric pressure and the corrected atmospheric pressure is compared with a table in which the number of floors of the building is associated with an estimated range of the difference between the atmospheric pressure of the predetermined floor and the atmospheric pressure of the floor of the floor. The number of floors is estimated, and the acquired number of floors is estimated as the floor number.
The floor number estimation system according to claim 11.   The location floor number estimation system according to any one of claims 1 to 13, wherein the portable terminal is a smartphone.   The location floor number estimation system according to claim 14, wherein the communication device is a smartphone. A portable terminal having a function of acquiring the number of floors in a building equipped with an elevator,
An acceleration sensor for detecting vertical acceleration;
A floor number setting means for setting the current floor number as an initial value;
A velocity waveform generating means for integrating a vertical acceleration detected by the acceleration sensor to generate a velocity waveform;
An evaluation value generation means for generating an evaluation value of the width of the velocity waveform in response to the generation of the velocity waveform of the mountain shape or the valley shape;
A table associating the estimated range of the evaluation value with the moving floor of the building;
A moving floor estimation means for estimating the generated floor of the building in light of the generated evaluation value in the assumed range of the table;
A portable terminal including a floor number updating unit for updating the current floor number set based on the estimated moving floor number; The floor number updating means is
When the peak-shaped velocity waveform is generated, the value obtained by adding the estimated moving floor to the set floor is updated as the current floor, and when the valley-shaped velocity waveform is generated, Update the value obtained by subtracting the estimated moving floor from the set floor, as the current floor.
The mobile terminal according to claim 16. The evaluation value generating means includes
The mobile terminal according to claim 16 or 17, wherein a distance between two intersections at which the velocity waveform and an evaluation line drawn so as to cross the velocity waveform intersect is generated as an evaluation value. The evaluation value generating means includes
The mobile terminal according to claim 18, wherein a straight line drawn in parallel at a predetermined distance from a straight line parallel to a time axis passing through zero speed is defined as the evaluation line. The evaluation value generating means includes
The mobile terminal according to claim 18, wherein a straight line drawn in parallel at a predetermined distance from a straight line parallel to a time axis passing through the extreme value of the velocity waveform is defined as the evaluation line. The evaluation value generating means includes
A state in which the absolute value of the vertical velocity obtained by integrating the vertical acceleration detected by the acceleration sensor exceeds a predetermined threshold value continues for a predetermined time, and then the state in which the velocity is substantially zero continues for a predetermined time. The mobile terminal according to any one of claims 16 to 20, wherein the evaluation value of the velocity waveform generated immediately before is generated in response.   The said portable terminal is a portable terminal as described in any one of Claims 16-21 which is a smart phone. A computer-executable program for realizing a function of acquiring the number of floors in a building equipped with an elevator in a computer that controls a mobile terminal equipped with an acceleration sensor that detects acceleration in a vertical direction,
Computer
The floor number setting means for setting the current floor number as an initial value,
A velocity waveform generating means for generating a velocity waveform by integrating the acceleration in the vertical direction detected by the acceleration sensor;
An evaluation value generating means for generating an evaluation value of the width of the velocity waveform in response to the generation of the velocity waveform of the mountain shape or the valley shape;
Means for storing the estimated range of the evaluation value and the moving floor of the building in association with each other;
A moving floor estimation means for estimating the moving floor of the building in light of the generated evaluation value in the assumed range;
A floor number updating means for updating the current floor number set based on the estimated moving floor number;
Program to function as. The floor number updating means is
When the peak-shaped velocity waveform is generated, the value obtained by adding the estimated moving floor to the set floor is updated as the current floor, and when the valley-shaped velocity waveform is generated, Update the value obtained by subtracting the estimated moving floor from the set floor, as the current floor.
The program according to claim 23. The evaluation value generating means includes
The program according to claim 23 or 24, wherein a distance between two intersections at which the velocity waveform and an evaluation line parallel to a time axis drawn so as to cross the velocity waveform intersect is generated as an evaluation value. The evaluation value generating means includes
26. The program according to claim 25, wherein a straight line drawn at a predetermined distance from a straight line parallel to the time axis passing through zero speed is defined as the evaluation line. The evaluation value generating means includes
26. The program according to claim 25, wherein a straight line drawn at a predetermined distance from a straight line parallel to a time axis passing through the extreme value of the velocity waveform is defined as the evaluation line. The evaluation value generating means includes
A state in which the absolute value of the vertical velocity obtained by integrating the vertical acceleration detected by the acceleration sensor exceeds a predetermined threshold value continues for a predetermined time, and then the state in which the velocity is substantially zero continues for a predetermined time. In response, the program according to any one of claims 23 to 27, wherein the evaluation value of the velocity waveform generated immediately before is generated.