WO2017007022A1 - 高度計測システムと高度計測方法 - Google Patents
高度計測システムと高度計測方法 Download PDFInfo
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- WO2017007022A1 WO2017007022A1 PCT/JP2016/070282 JP2016070282W WO2017007022A1 WO 2017007022 A1 WO2017007022 A1 WO 2017007022A1 JP 2016070282 W JP2016070282 W JP 2016070282W WO 2017007022 A1 WO2017007022 A1 WO 2017007022A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Definitions
- the present invention relates to a system and method for measuring the altitude of a moving object.
- Patent Documents 1 and 2 for example, many techniques for estimating the displacement in the altitude direction, that is, the change in the stay floor, have been studied for the user of the mobile terminal.
- Patent Document 3 in order to improve the accuracy of the above estimation, a pressure sensor is provided at a reference altitude in the area, and atmospheric pressure fluctuations derived from the environment observed by the pressure sensor are detected. There has been proposed a technique for obtaining a displacement in an altitude direction by calculating a change in atmospheric pressure due to a change in altitude of a user after being excluded.
- Patent Document 3 it is necessary to dispose a standard atmospheric pressure sensor for every area or building where the user can stay, so that it can be widely applied to society from the viewpoint of cost. There is a problem that is difficult.
- the present invention has been made to solve such a problem, and even when a barometric pressure sensor serving as a reference as described above is not provided for each area or building, the mobile body is self-contained.
- An object is to provide an altitude measuring system and altitude measuring method capable of measuring altitude.
- the present invention provides an altitude measurement system including an altitude measurement terminal connected to an internet line and data management means connected to the internet line, wherein the altitude measurement terminal measures atmospheric pressure.
- the atmospheric pressure measuring means, the detecting means for detecting that the moving body is present at a predetermined altitude, and the detecting means, when the detecting means detects that the moving body is present at an altitude, is measured by the atmospheric pressure measuring means.
- the present invention provides an altitude measurement system including an altitude measurement terminal connected to an Internet line and data management means connected to the Internet line.
- the atmospheric pressure measuring means that measures the movement between the floors by the moving body is measured by the atmospheric pressure measuring means.
- Pressure difference data output means for outputting data indicating the pressure difference between the floors before and after the movement to the data management means
- the data management means is data indicating a plurality of pressure differences supplied from the pressure difference data output means
- An altitude measurement system that generates reference atmospheric pressure difference data corresponding to movement between floors is provided by calculating an average value of.
- the present invention is an altitude measuring method for measuring the altitude of a mobile object using an altitude measuring terminal connected to an Internet line and data management means connected to the Internet line.
- an altitude measuring method including a second step of generating a reference barometric pressure data corresponding to an altitude by calculating an average value of a plurality of barometric pressure data supplied to a management means as needed.
- the present invention is an altitude measuring method for measuring the altitude of a mobile object using an altitude measuring terminal connected to an Internet line and data management means connected to the Internet line.
- To provide an altitude measurement method including a fourth step of generating reference atmospheric pressure difference data corresponding to movement between floors.
- an altitude measurement system and an altitude measurement method capable of measuring the altitude of a mobile object in a self-contained manner.
- FIG. 5 is a flowchart for explaining an operation of step S1 shown in FIG. 4.
- FIG. 5 is a flowchart for explaining an operation in step S2 shown in FIG. 4.
- FIG. 7 is a first graph for explaining the operation shown in FIG. 6.
- FIG. 7 is a second graph for explaining the operation shown in FIG. 6.
- FIG. 7 is a third graph for explaining the operation shown in FIG. 6.
- FIG. It is a flowchart which shows the 2nd operation
- FIG. 1 is an overall configuration diagram showing a configuration of an altitude measurement system according to an embodiment of the present invention.
- an altitude measurement system according to an embodiment of the present invention includes altitude measurement terminals 1 to 3 connected to an Internet line 100 and an atmospheric pressure trend management unit TM connected to the Internet line 100.
- TM atmospheric pressure trend management unit
- the altitude measuring terminals 1 to 3 are measuring devices such as a smart phone, a watch-type device, and a mobile measuring device that are mounted or held on a moving body such as a person, a trolley, or a vehicle.
- the altitude measuring terminals 1 to 3 exist on multiple floors with different altitudes in the building 10 etc.
- the barometric trend data sampled by the altitude measuring terminals 1 to 3 is accumulated for each height (floor) from the local reference altitude. ,to manage.
- the atmospheric pressure trend data means atmospheric pressure data over a predetermined period as shown in FIG. 2, and as will be described later, the atmospheric pressure trend management unit TM is an atmospheric pressure measured by the i-th altitude measuring terminal.
- the reference atmospheric pressure trend data P tr (t) is generated by accumulating and integrating the trend data P mes, i (t). The altitude measurement system will be described in detail below.
- FIG. 3 is a block diagram showing a first embodiment of the altitude measurement system shown in FIG.
- the altitude measurement terminal M1 includes an atmospheric pressure measurement unit 201, an identical floor stay detection unit 202, an in-area stay detection unit 203, and an atmospheric pressure trend candidate value output unit 204.
- An altitude change detection unit 302 based on atmospheric pressure fluctuation, a floor detection unit 403, a specific floor stay detection unit 404, and an offset estimation unit 405.
- the altitude measurement terminals M2 to Mn (n is a natural number indicating the number of altitude measurement terminals) shown in FIG. 3 each have the same configuration as the altitude measurement terminal M1.
- the atmospheric pressure trend management unit TM1 includes an atmospheric pressure trend integration / generation unit 205 and an atmospheric pressure trend output unit 303.
- the atmospheric pressure trend candidate value output unit 204 is connected to the atmospheric pressure measurement unit 201, the same floor stay detection unit 202, and the in-area stay detection unit 203, and the altitude change detection unit 302 based on atmospheric pressure fluctuation is connected to the atmospheric pressure measurement unit 201. Is done. Further, the specific floor stay detection unit 404 is connected to the altitude change detection unit 302 and the floor detection unit 403 based on atmospheric pressure fluctuation. The offset estimation unit 405 is connected to the atmospheric pressure measurement unit 201 and the atmospheric pressure trend output unit 303.
- the atmospheric pressure trend integration / generation unit 205 is connected to the atmospheric pressure trend candidate value output unit 204, and the atmospheric pressure trend output unit 303 is connected to the altitude change detection unit 302 based on atmospheric pressure fluctuation.
- the atmospheric pressure trend management unit TM1 is connected to the storage unit 50.
- the atmospheric pressure measurement unit 201 can be mounted or held on a moving body, and is configured by a device or a device that can output data indicating the measured atmospheric pressure.
- the atmospheric pressure measurement unit 201 is built in a portable device such as a smartphone held by a person. Applicable to atmospheric pressure sensors.
- the same floor stay detection unit 202 detects and notifies that the moving body continues to stay on the same floor. Specifically, for example, by using a device that detects a transmission signal whose reach from a tag installed in a building or the like is limited to the same floor and displays the signal, a combination of an acceleration sensor, an angular velocity sensor, and the like It is comprised by the apparatus which detects the motion of a moving body with the comprised motion sensor, and detects that it continues existing on the same floor.
- the in-area stay detection unit 203 detects that the moving body exists within the application area (target area) of the altitude measurement system.
- a wireless LAN (Local Area Network) base station or a device that detects that the altitude measurement terminals M1 to Mn are present in the target area by detecting the unique ID of the tag is configured. .
- the atmospheric pressure trend candidate value output unit 204 is detected by the stay detection unit 203 in the area and the stay detection unit 202 on the same floor that the moving body exists in the target area and continues to stay on the same floor. Only when the atmospheric pressure trend data obtained by the measurement by the atmospheric pressure measurement unit 201 is output as the atmospheric pressure trend candidate value.
- FIG. 4 is a flowchart showing a first operation by the altitude measuring system shown in FIG.
- step S1 the moving object is set at a predetermined altitude by the in-area stay detecting unit 203 and the same floor stay detecting unit 202 included in the altitude measuring terminals M1 to Mn, that is, for example, a known building.
- the atmospheric pressure trend candidate value output unit 204 When the atmospheric pressure trend candidate value output unit 204 is detected to exist on a certain floor at 10 etc., the atmospheric pressure trend candidate value output unit 204 outputs the atmospheric pressure trend data measured by the atmospheric pressure measurement unit 201 over a predetermined period to the atmospheric pressure trend integration / generation unit 205.
- the operation in step S1 will be described in detail with reference to FIG.
- the in-area stay detection unit 203 determines whether or not the altitude measurement terminals M1 to Mn, that is, the moving bodies are staying in the area X in step S11.
- X means an arbitrary area specified by area information acquired in advance.
- step S12 the same floor stay detection unit 202 determines whether or not the altitude measurement terminals M1 to Mn, that is, the moving bodies are staying on the same floor, and if it is determined that they are staying on the same floor, step While progressing to S13, when it is judged that it is not staying on the same floor, it returns to step S11.
- step S13 the atmospheric pressure measurement unit 201 acquires the atmospheric pressure trend data and time stamp information indicating the observation period of this data.
- step S14 the atmospheric pressure trend candidate value output unit 204 outputs (transmits) the atmospheric pressure trend data and time stamp information acquired by the atmospheric pressure measurement unit 201 in step S13 to the atmospheric pressure trend integration / generation unit 205 as atmospheric pressure trend candidate values. To do.
- step S ⁇ b> 2 shown in FIG. 4 the atmospheric pressure trend integration / generation unit 205 responds to altitude by calculating an average value of a plurality of atmospheric pressure trend data supplied from the atmospheric pressure trend candidate value output unit 204 as needed.
- the reference pressure data is generated. The operation in this step will be described in detail below with reference to FIGS.
- step S ⁇ b> 31 the atmospheric pressure trend integration / generation unit 205 receives the plurality of atmospheric pressure trend candidate values supplied from the atmospheric pressure trend candidate value output unit 204.
- step S32 the atmospheric pressure trend integration / generation unit 205 determines whether or not the processing in the following steps S33 to S35 has been completed for all the atmospheric pressure trend candidate values received in step S31. The process returns to step S31, and if it is determined that the process has not been completed, the process proceeds to step S33.
- step S ⁇ b> 33 the atmospheric pressure trend integration / generation unit 205 generates an interval between the atmospheric pressure trend data Pi output from the i-th altitude measurement terminal and the accumulated atmospheric pressure trend data Q generated by integrating a plurality of atmospheric pressure trend data.
- the time delay Td shown in FIG. 7 is calculated.
- the accumulated atmospheric pressure trend data Q is generated by calculating an average value at each time for a plurality of atmospheric pressure trend data Pi to which compensation described later is applied.
- step S34 the atmospheric pressure trend integration / generation unit 205 compensates for the time delay Td calculated in step S33 for the atmospheric pressure trend data Pi as shown in FIG.
- the atmospheric pressure offset value Poff between is calculated.
- step S35 the atmospheric pressure trend integration / generation unit 205 compensates the atmospheric pressure trend data Pi for the time delay Td calculated in step S33 and the atmospheric pressure offset value P off that differs for each altitude measuring terminal calculated in step S34.
- the compensated atmospheric pressure trend data Pi is integrated into the accumulated atmospheric pressure trend data Q shown in FIG. 9, and the process returns to step S32.
- the atmospheric pressure trend integration / generation unit 205 stores the accumulated atmospheric pressure trend data Q in the storage unit 50 after integration.
- step S ⁇ b> 3 shown in FIG. 4 the altitude change detection unit 302 based on atmospheric pressure fluctuation reads the atmospheric pressure trend data Pi obtained by measurement by the atmospheric pressure measurement unit 201 from the atmospheric pressure trend output unit 303 from the storage unit 50.
- the change in altitude of the moving object is detected by comparing with the accumulated atmospheric pressure trend data Q output in the above.
- the altitude change detection unit 302 based on atmospheric pressure fluctuation monitors whether or not the atmospheric pressure trend data Pi coincides with the accumulated atmospheric pressure trend data Q, and detects the time point when the difference occurs. Identify altitude changes.
- step S4 the floor detection part 403 detects the floor in which the said mobile body exists. Specifically, for example, when the floor detection unit 403 receives a signal transmitted from a tag installed inside a building or the like, the floor on which the moving body is present is detected.
- step S5 the specific floor stay detection unit 404 receives information specifying the floor detected in step S4 supplied from the floor detection unit 403 and step S3 supplied from the altitude change detection unit 302 based on atmospheric pressure fluctuation. In accordance with the information indicating the altitude change obtained in step (b), information indicating the floor on which the mobile object is actually staying is generated.
- FIG. 10 is a flowchart showing a second operation by the altitude measuring system shown in FIG. Note that steps S21 to S24 shown in FIG. 10 are the same as steps S1 to S4 shown in FIG.
- the atmospheric pressure trend integration / generation unit 205 calculates the difference between the accumulated atmospheric pressure trend data generated for each floor, thereby indicating the accumulated atmospheric pressure difference indicating the reference of the atmospheric pressure difference between the floors. Generate trend data.
- step S ⁇ b> 25 the altitude change detection unit 302 based on the atmospheric pressure fluctuation indicates the change (difference) accompanying the altitude change of the atmospheric pressure trend data measured by the atmospheric pressure measurement unit 201 as the accumulated atmospheric pressure difference trend data.
- the movement between the floors of the moving body is specified by comparing with.
- step S26 the specific floor stay detection unit 404 has the moving body actually staying according to the information specifying the floor detected in step S24 and the information indicating the movement between the floors specified in step S25. Information indicating the floor is generated.
- step S27 the specific floor stay detection unit 404 supplies information indicating the floor currently staying generated in step S26 to the atmospheric pressure trend output unit 303.
- the atmospheric pressure trend output unit 303 reads the accumulated atmospheric pressure trend data corresponding to the floor from the storage unit 50.
- the offset estimation unit 405 compares the atmospheric pressure trend data obtained by the measurement by the atmospheric pressure measurement unit 201 with the accumulated atmospheric pressure trend data read as described above, thereby measuring the altitude in the atmospheric pressure measurement by the atmospheric pressure measurement unit 201. An offset value for each of the terminals M1 to Mn is estimated.
- the offset value in the atmospheric pressure measurement that differs for each of the altitude measurement terminals M1 to Mn can be self-contained by the altitude measurement system itself. Can be estimated.
- FIG. 11 is a block diagram showing a second embodiment of the altitude measurement system according to the present invention.
- the altitude measurement terminal Mf1 according to the present embodiment includes an atmospheric pressure measurement unit 201, an altitude change detection unit 302 based on atmospheric pressure fluctuation, an inter-floor pressure difference trend candidate value output unit 502, a floor Detectors 503 and 705.
- each of the altitude measurement terminals Mf2 to Mfn (n is a natural number indicating the number of altitude measurement terminals) shown in FIG. 11 has the same configuration as the altitude measurement terminal Mf1.
- the atmospheric pressure trend management unit TM2 includes an atmospheric pressure trend output unit 303, an inter-floor atmospheric pressure difference trend integration / generation unit 504, and an inter-floor atmospheric pressure difference trend output unit 708.
- the inter-floor atmospheric pressure difference trend candidate value output unit 502 is connected to the atmospheric pressure measurement unit 201, the altitude change detection unit 302 based on atmospheric pressure fluctuation, the floor detection unit 503, and the inter-floor atmospheric pressure difference trend integration / generation unit 504.
- the altitude change detection unit 302 based on the fluctuation is further connected to the atmospheric pressure measurement unit 201 and the atmospheric pressure trend output unit 303.
- the floor detection unit 503 is further connected to a floor detection unit 705, and the floor detection unit 705 is further connected to an inter-floor pressure difference trend candidate value output unit 502 and an inter-floor pressure difference trend output unit 708.
- the atmospheric pressure trend management unit TM2 is connected to the storage unit 60.
- the altitude measurement system according to the second embodiment it is assumed that the accumulated atmospheric pressure trend data stored in the storage unit 50 shown in FIG. 3 is stored in the storage unit 60. Even if it is not stored, the altitude measurement system according to the second embodiment can be realized by combining the functions of the altitude measurement system according to the first embodiment.
- step S41 the atmospheric pressure measurement unit 201 measures atmospheric pressure and acquires atmospheric pressure trend data.
- step S42 the altitude change detection unit 302 based on atmospheric pressure fluctuation detects movement between floors by a moving body.
- this detection is performed by the same method as the altitude change detection method described in the altitude measurement system according to the first embodiment. That is, the altitude change detection unit 302 based on the atmospheric pressure variation compares the atmospheric pressure trend data supplied from the atmospheric pressure measurement unit 201 with the accumulated atmospheric pressure trend data read from the storage unit 60 via the atmospheric pressure trend output unit 303, and the difference The altitude change (movement between floors) is detected by monitoring the presence of This is because when the moving body moves between floors and the altitudes of the altitude measuring terminals Mf1 to Mfn change, the above difference occurs.
- step S43 when movement is detected in step S42, the inter-floor pressure difference trend candidate value output unit 502 calculates the difference between the pressure trend data measured in step S41 before and after the movement, and calculates The obtained data is output to the inter-floor pressure difference trend integration / generation unit 504 of the atmospheric pressure trend management unit TM2 as atmospheric pressure difference trend data indicating the atmospheric pressure difference between floors before and after the movement.
- step S44 the inter-floor pressure difference trend integration / generation unit 504 calculates the average value of the plurality of supplied air pressure difference trend data as needed, thereby obtaining the reference pressure difference data corresponding to the movement between the floors. Generate cumulative pressure difference trend data.
- the generation of the accumulated atmospheric pressure difference trend data by the inter-floor atmospheric pressure difference trend integration / generation unit 504 is executed by the same method as the integration of the atmospheric pressure trend data by the atmospheric pressure trend integration / generation unit 205 shown in FIG. .
- step S ⁇ b> 45 the floor detection unit 705 is read from the storage unit 60 via the atmospheric pressure difference trend data supplied from the inter-floor pressure difference trend candidate value output unit 502 and the inter-floor pressure difference trend output unit 708. By comparing the accumulated pressure difference trend data, the movement between floors by the moving body is specified.
- step S46 the floor detection unit 503 detects the floor on which the moving body is present. This detection is performed by a method similar to the detection method by the floor detection unit 403 shown in FIG. 3, and the floor on which the moving body is present is discrete, that is, only the floor on which the above-described tag is physically provided. Therefore, the detection is discontinuous in time.
- step S47 the floor detection unit 705 detects that the moving object is actually in accordance with the information indicating the movement between floors specified in step S45 and the information specifying the floor detected by the floor detection unit 503 in step S46. Generate information indicating the floor you are staying at. By generating this information, the floor detection unit 705 does not continuously limit the floor on which the moving body exists, that is, physically, to the floor provided with the tag, etc., and therefore continuously detects in time. Will do.
- the floor detection included in the altitude measurement terminals Mf1 to Mfn is similar to the altitude measurement system according to the first embodiment. Once the floor where the moving body is present is detected in the part 503, the stay floor after the movement when the moving body moves between the floors is continuously determined in a self-contained manner only by the altitude measurement system itself. Can do.
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Abstract
Description
図1に示されるように、本発明の実施の形態に係る高度計測システムは、インターネット回線100に接続された高度計測端末1~3と、インターネット回線100に接続された気圧トレンド管理部TMとを備える。なお、図1における「1F」は建物10の一階フロアを意味し、「2F」以下の表記も同様な意味を有する。
Claims (14)
- インターネット回線に接続された高度計測端末と、前記インターネット回線に接続されたデータ管理手段とを備えた高度計測システムであって、
前記高度計測端末は、
気圧を計測する気圧計測手段と、
移動体が予め定められた高度に存在することを検知する検知手段と、
前記検知手段により前記移動体が前記高度に存在することが検知された場合には、前記気圧計測手段により計測された所定期間に渡る気圧データを前記データ管理手段へ出力する気圧データ出力手段とを含み、
前記データ管理手段は、前記気圧データ出力手段から供給された複数の前記気圧データの平均値を随時算出することにより、前記高度に対応する基準気圧データを生成する、高度計測システム。 - 前記高度計測端末は、前記気圧計測手段による計測により得られた前記気圧データを前記データ管理手段から供給された前記基準気圧データと比較することによって、前記移動体の高度変化を検知する高度変化検知手段をさらに含む、請求項1に記載の高度計測システム。
- 前記高度計測端末は、
前記移動体が存在するフロアを検知するフロア検知手段と、
前記フロア検知手段から供給された前記フロアを特定する情報と、前記高度変化検知手段から供給された前記高度変化を示す情報とに応じて、前記移動体が現に滞在しているフロアを示す情報を生成する現フロア検知手段とをさらに含む、請求項2に記載の高度計測システム。 - 前記高度計測端末は、
前記移動体が存在するフロアを検知するフロア検知手段と、
前記高度変化検知手段により検知された前記高度変化に伴い前記気圧計測手段による計測により得られた気圧差データを予め得られた基準となるフロア間の気圧差データと比較することによって前記移動体のフロア間の移動を特定し、前記フロア検知手段により検知された前記フロアを特定する情報に応じて前記移動体が現に滞在しているフロアを示す情報を生成する現フロア検知手段とをさらに含む、請求項2に記載の高度計測システム。 - 前記高度計測端末は、
前記現フロア検知手段から供給された前記現に滞在しているフロアを示す情報と前記データ管理手段から供給された前記現に滞在しているフロアにおける前記基準気圧データとに応じて、前記気圧計測手段による前記気圧の計測におけるオフセット値を推定するオフセット推定手段をさらに含む、請求項4に記載の高度計測システム。 - インターネット回線に接続された高度計測端末と、前記インターネット回線に接続されたデータ管理手段とを備えた高度計測システムであって、
前記高度計測端末は、
気圧を計測する気圧計測手段と、
移動体によるフロア間の移動を検知するフロア移動検知手段と、
前記フロア移動検知手段により前記移動体によるフロア間の移動が検知された場合には、前記気圧計測手段により計測された前記移動の前後における前記フロア間の気圧差を示すデータを前記データ管理手段へ出力する気圧差データ出力手段とを含み、
前記データ管理手段は、前記気圧差データ出力手段から供給された複数の前記気圧差を示すデータの平均値を随時算出することにより、前記フロア間の移動に対応する基準気圧差データを生成する、高度計測システム。 - 前記高度計測端末は、
前記移動体が存在するフロアを検知するフロア検知手段と、
前記気圧計測手段による計測で得られた前記フロア間の気圧差を示すデータを前記データ管理手段から供給された前記基準気圧差データと比較することによって、前記移動体によるフロア間の移動を特定し、前記フロア検知手段により検知された前記フロアを特定する情報に応じて前記移動体が現に滞在しているフロアを示す情報を生成する現フロア検知手段とをさらに含む、請求項6に記載の高度計測システム。 - インターネット回線に接続された高度計測端末と、前記インターネット回線に接続されたデータ管理手段とを用いて移動体の高度を計測する高度計測方法であって、
前記高度計測端末において前記移動体が予め定められた高度に存在することが検知されたときに所定期間に渡り前記高度計測端末により計測された気圧データを前記データ管理手段へ出力する第1のステップと、
前記データ管理手段に供給された複数の前記気圧データの平均値を随時算出することにより前記高度に対応する基準気圧データを生成する第2のステップとを有する、高度計測方法。 - 前記高度計測端末による計測により得られた前記気圧データを前記基準気圧データと比較することによって、前記移動体の高度変化を検知する第3のステップをさらに有する、請求項8に記載の高度計測方法。
- 前記高度計測端末において前記移動体が存在するフロアを検知する第4のステップと、
前記第4のステップで検知された前記フロアを特定する情報と、前記第3のステップで検知された前記高度変化を示す情報とに応じて、前記移動体が現に滞在しているフロアを示す情報を生成する第5のステップとをさらに有する、請求項9に記載の高度計測方法。 - 前記高度計測端末において前記移動体が存在するフロアを検知する第4のステップと、
前記高度変化に伴い計測された気圧差を示すデータを予め得られた基準となるフロア間の気圧差データと比較することによって前記移動体のフロア間の移動を特定する第5のステップと、
前記第4のステップで検知された前記フロアを特定する情報と前記第5のステップで特定された前記フロア間の移動を示す情報とに応じて前記移動体が現に滞在しているフロアを示す情報を生成する第6のステップとをさらに有する、請求項9に記載の高度計測方法。 - 前記第6のステップで生成された前記現に滞在しているフロアを示す情報と前記現に滞在しているフロアにおける前記基準気圧データとに応じて、前記気圧の計測におけるオフセット値を推定する第7のステップをさらに有する、請求項11に記載の高度計測方法。
- インターネット回線に接続された高度計測端末と、前記インターネット回線に接続されたデータ管理手段とを用いて移動体の高度を計測する高度計測方法であって、
前記高度計測端末において気圧を計測する第1のステップと、
前記移動体によるフロア間の移動を検知する第2のステップと、
前記第2のステップにおいて前記移動が検知された場合には、前記第1のステップで計測された前記移動の前後における前記フロア間の気圧差を示すデータを前記データ管理手段へ出力する第3のステップと、
前記データ管理手段に供給された複数の前記気圧差を示すデータの平均値を随時算出することにより、前記フロア間の移動に対応する基準気圧差データを生成する第4のステップとを有する、高度計測方法。 - 前記高度計測端末で計測された前記フロア間の気圧差を示すデータと前記基準気圧差データを比較することによって、前記移動体によるフロア間の移動を特定する第5のステップと、
前記高度計測端末において前記移動体が存在するフロアを検知する第6のステップと、
前記第5のステップで特定された前記フロア間の移動を示す情報と前記第6のステップで検知された前記フロアを特定する情報とに応じて前記移動体が現に滞在しているフロアを示す情報を生成する第7のステップとをさらに含む、請求項13に記載の高度計測方法。
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| KR102306142B1 (ko) * | 2019-04-29 | 2021-09-30 | 모셔널 에이디 엘엘씨 | 센서 고장에 대한 자율 주행 차량 대응방안을 구현하기 위한 시스템 및 방법 |
| JP7349830B2 (ja) * | 2019-06-28 | 2023-09-25 | 北陸電気工業株式会社 | 位置情報検知用通信端末器及び位置検知システム |
| US11609315B2 (en) * | 2019-08-16 | 2023-03-21 | GM Cruise Holdings LLC. | Lidar sensor validation |
| JP2023501009A (ja) * | 2019-11-13 | 2023-01-18 | 北京数字聯盟網絡科技有限公司 | 端末装置が設置されている階を判定する方法 |
| US11065481B1 (en) * | 2020-05-19 | 2021-07-20 | Us Safety Technologies Llc | Safety harness motion detector systems and methods for use |
| CN112915453B (zh) * | 2021-02-18 | 2022-05-24 | 中建八局第一建设有限公司 | 一种消防水管水压监测系统及方法 |
| KR102936488B1 (ko) * | 2022-10-07 | 2026-03-12 | 한국철도기술연구원 | 디지털트윈 기반 철도시설물의 복합재난 방지 시스템 및 그 방법 |
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