WO2013123868A1 - 数据采集方法及装置、移动终端 - Google Patents
数据采集方法及装置、移动终端 Download PDFInfo
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- WO2013123868A1 WO2013123868A1 PCT/CN2013/071630 CN2013071630W WO2013123868A1 WO 2013123868 A1 WO2013123868 A1 WO 2013123868A1 CN 2013071630 W CN2013071630 W CN 2013071630W WO 2013123868 A1 WO2013123868 A1 WO 2013123868A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24457—Failure detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D9/00—Recording measured values
- G01D9/005—Solid-state data loggers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
- G06F16/275—Synchronous replication
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
- G06F11/2056—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring
- G06F11/2071—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant by mirroring using a plurality of controllers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2308—Concurrency control
Definitions
- the present invention relates to the field of communications, and in particular, to a data acquisition method and apparatus, and a mobile terminal, which are suitable for use in a device including a plurality of data collection units.
- Background technique
- a mobile terminal In a known mobile terminal, a mobile terminal usually uses a plurality of different data collection units, such as sensors, to acquire external environmental data, thereby ensuring that an application running on the mobile terminal can utilize the environmental data.
- a gravity acceleration sensor for collecting gravity acceleration data is generally included, so as to implement functions such as switching between a mobile phone's horizontal and vertical screens, turning the body to mute when an incoming call is made, and an electronic compass for collecting direction data.
- the sensor is used to implement functions such as a compass; it may also include an infrared sensor for sensing the distance of the face, in order to realize functions such as automatic closing of the screen and the touch screen during the call.
- each sensor collects data according to a respective acquisition frequency; and then each sensor determines the current collection. Whether the difference between the data and the previously collected data is greater than a predetermined threshold, and if so, is reported to the middle layer; the middle layer selects one or more sets of data belonging to the same time or a similar time from the data reported by each sensor The application is used.
- the embodiment of the present invention provides a data collection method and apparatus, and a mobile terminal, in order to accurately acquire synchronization data of at least two data acquisition units at the same time.
- an embodiment of the present invention provides a data collection method, which is used in an apparatus including multiple data collection units, where the method includes:
- At least two data acquisition units simultaneously collect preliminary data at respective acquisition frequencies according to an acquisition start time; and collect preliminary data collected by the at least two data acquisition units according to a synchronous acquisition frequency to obtain synchronization data;
- the synchronous acquisition frequency is a common divisor frequency of the respective acquisition frequencies of the at least two data acquisition units.
- an embodiment of the present invention provides a data collection device, which is used in a device including a plurality of data collection units, where the data collection device includes: a synchronization data collection module;
- At least two data collection units of the plurality of data collection units are configured to collect preliminary data at the respective acquisition frequency according to an acquisition start time
- the synchronous data collection module is configured to collect preliminary data collected by the at least two data collection units according to a synchronous acquisition frequency to obtain synchronization data;
- the synchronous acquisition frequency is a common divisor frequency of the respective acquisition frequencies of the at least two data acquisition units.
- the embodiment of the present invention further provides a mobile terminal that includes a plurality of data collection units, and further includes: a data collection device; the data collection device includes: a synchronization data collection module;
- At least two data collection units of the plurality of data collection units are configured to collect preliminary data at the respective acquisition frequency according to an acquisition start time
- the synchronous data collection module is configured to collect preliminary data collected by the at least two data collection units according to a synchronous acquisition frequency to obtain synchronization data;
- the synchronous acquisition frequency is a common divisor frequency of the respective acquisition frequencies of the at least two data acquisition units.
- the embodiment of the invention provides a mobile terminal, including: Multiple data acquisition units;
- One or more processors are One or more processors;
- At least two of the plurality of data collection units simultaneously collect preliminary data at respective acquisition frequencies according to an acquisition start time
- the one or more processors acquire the initial data collected by the at least two data collection units according to a synchronous acquisition frequency to obtain synchronization data;
- the synchronous acquisition frequency is a common divisor frequency of the respective acquisition frequencies of the at least two data acquisition units. It can be known from the above technical solutions that each time the acquisition start time of at least two data acquisition units is adjusted, and at the same time, the synchronization data is captured from the preliminary data collected by the at least two data acquisition units according to the synchronous acquisition frequency, The plurality of sets of synchronization data of the data acquisition unit, each set of synchronization data is accurate data collected by the respective data acquisition units at the same time, so that an application using the plurality of sets of synchronous data can avoid the occurrence of errors.
- FIG. 1 is a flowchart of a method for collecting data according to Embodiment 1 of the present invention
- FIG. 2 is a flowchart of a method for collecting data according to Embodiment 2 of the present invention.
- FIG. 4 is a structural block diagram of a synchronous acquisition frequency selection module according to Embodiment 3 of the present invention. detailed description
- FIG. 1 is a flowchart of a method for collecting data according to Embodiment 1 of the present invention.
- the method can be used in a device comprising a plurality of data acquisition units.
- the device may be a fixed terminal such as a personal computer, a server, or a mobile terminal such as a notebook, a tablet, and a mobile phone.
- the data collection method specifically includes:
- Step 102 At least two data collection units simultaneously collect preliminary data at respective acquisition frequencies according to an acquisition start time
- the data acquisition unit herein mainly refers to various sensors. Obviously, in other embodiments, the data acquisition unit may also be other modules that collect data according to a certain frequency. In the present embodiment, the data acquisition unit is mainly used as a sensor for detailed description, but does not constitute a limitation thereto.
- the multiple sensors may be all sensors in one terminal, or may be part of all sensors in a terminal.
- the sensor can be two, three or more sensors.
- the time when the first data acquisition of the at least two sensors is set to be the same time that is, an acquisition start time can be set, and then the at least two data acquisition units can start according to the acquisition.
- the preliminary data is collected at the respective acquisition frequency.
- the preliminary data collected by each sensor may be collected according to a synchronous acquisition frequency, where the synchronous acquisition frequency may be a common divisor frequency of each sensor's respective acquisition frequency, for example, the acquisition frequency of one sensor is 100HZ, the other sensor's acquisition frequency is 200HZ, and the other sensor's acquisition frequency is 50HZ, then the synchronous acquisition frequency that can be used is any one of 50HZ, 25HZ, 5HZ and 2HZ.
- the data collected at this time is the synchronization data, and the data of each sensor in each group of synchronization data is real-time and accurate data at the same time. These synchronized data can be provided to the application for use.
- a larger common divisor can be selected as the value of the common divisor frequency.
- the data collection method provided in the first embodiment adjusts the acquisition start time of at least two data acquisition units, and simultaneously captures synchronization from the preliminary data collected by the at least two data acquisition units according to the synchronous acquisition frequency.
- the manner of data multiple sets of synchronous data of each data acquisition unit are obtained, and each set of synchronous data is accurate data of each data acquisition unit at the same time, so that an application using the multiple sets of synchronous data can avoid the occurrence of errors.
- FIG. 2 shows a flowchart of a method for collecting data according to Embodiment 2 of the present invention.
- the data acquisition method can be used in a device comprising a plurality of data acquisition units.
- the device may be a fixed terminal such as a personal computer, a server, or a mobile terminal such as a notebook, a tablet, and a mobile phone.
- the data collection method specifically includes:
- Step 201 Register at least two data collection units of the plurality of data collection units as data collection units of the synchronization data to be collected, when needed;
- the application since there may be many sensors in one terminal, the application may only need accurate data of some of the sensors at the same time. Therefore, the first application can register all or part of all sensors as data acquisition units for the synchronization data to be acquired when needed.
- the data acquisition unit of the registered synchronization data to be acquired is a sensor associated with acquiring synchronization data required by the application, and the application may not register for other sensors in the terminal.
- the application is a game, and when the game is run by the user, the gyro sensor, the gravity acceleration sensor, and the infrared sensor in the terminal can be registered as the data acquisition unit of the synchronization data to be acquired.
- Step 202 Set the working mode of the data acquisition unit registered by the application to the second working mode; since the sensor generally includes two working modes: a first working mode and a second working mode, wherein the first working mode is: Whether the difference between the data collected and the previously collected data is greater than a predetermined threshold, and if so, the data collected this time is reported as preliminary data; otherwise, it is not reported.
- the second mode of operation is as follows: The data collected by the sensor is reported as preliminary data.
- the first working mode is usually adopted by default for each sensor.
- the application in order to obtain accurate data, after the application registers a part of the sensor, it is required to set the working mode of the part of the sensor registered by the application to the second working mode, that is, the working of the registered sensor.
- the mode is set to the exact data for each acquisition as a working mode for preliminary data reporting.
- the initialization time length refers to the time from the power-on initialization to the initialization completion and the first data acquisition. For different sensors, the initialization time lengths can be different from each other.
- a certain future time may be used as the acquisition start time, and the time is usually not less than the maximum initialization time length obtained in step one after the current time. The moment of getting. That is, the acquisition start time may be the time (current time + maximum initialization time length) or the time after (current time + maximum initialization time length). For example, the initialization time of one sensor is 190ms, and the initialization time of another sensor is 120ms.
- the time of (current time +190 ms) or (current time +200ms) can be used as the acquisition start time.
- there may be a predetermined length of time the predetermined length of time is a fixed value greater than or equal to 0, and then the terminal may automatically initialize (the current time) after the maximum initialization time length is obtained.
- the time indicated by the length of time + the predetermined length of time is taken as the acquisition start time.
- Step 204 Select a synchronous acquisition frequency according to an acquisition frequency of at least two data acquisition units.
- At least two data collection units herein may refer to sensors registered by the application in step 201. In order to select the synchronous acquisition frequency, it is necessary to obtain the acquisition frequency of these registered sensors, and sometimes it is necessary to obtain the required frequency of the synchronization data.
- the acquisition frequency is the frequency at which the sensor collects preliminary data in the second mode of operation. It should be noted that each sensor may have more than one acquisition frequency. At this time, all the acquisition frequencies of the sensor can be obtained.
- the acquisition frequency here can refer to the actual acquisition frequency of the sensor or the frequency at which the sensor reports the preliminary data.
- the required frequency of the synchronous data is the frequency required for the synchronous data to be used by other modules, which can be specified by other modules before the synchronous data acquisition.
- these modules are referred to herein as synchronous data usage modules, which are typically applications.
- the required frequency is the minimum frequency that the application needs to use synchronous data.
- the program needs to use synchronous data at a minimum frequency of 5HZ.
- the other application needs to use synchronous data at a minimum frequency of 10Hz.
- Another application needs to use synchronous data at a frequency of 50Hz.
- the 50HZ can be used as the required frequency.
- all the common divisors of the values of the acquisition frequency of each sensor can be obtained, for example, the acquisition frequency of one sensor is 400HZ, the acquisition frequency of another sensor is 200HZ, and the acquisition frequency of another sensor is 100HZ, the common divisors of the values of the acquisition frequencies of these sensors are 100, 50, 25, 5, 2, and 1. You can then select any of the common divisors as the value of the synchronous acquisition frequency.
- the frequency of the reference synchronization data can be used to better select. That is, the smallest common divisor of all the common divisors that is not less than the required frequency is selected as the value of the synchronous acquisition frequency. Specifically, you can filter all common divisors equal to or greater than The common divisor of the required frequency, and then the smallest one of the filtered common divisors is selected as the value of the synchronous acquisition frequency. For example, the required frequency of synchronous data is 50HZ, and the common divisors are 100 and 50. You can select the smaller one of them to be the value of the synchronous acquisition frequency.
- Step 205 At least two data collection units simultaneously start collecting preliminary data at respective acquisition frequencies according to the acquisition start time;
- At least two sensors registered by the application may simultaneously start collecting preliminary data at respective acquisition frequencies according to the acquisition start time acquired in step 203. Specifically:
- the initialization time of the at least two sensors registered by the application may be acquired according to the acquisition start time, and the obtained initialization time may be the initialization time of each sensor in advance based on the acquisition start time. The moment the length is obtained. That is, the initialization time of each sensor can be acquired (acquisition start time - corresponding to the initialization time length of the sensor).
- At least two sensors registered by the application are initialized according to the initialization time.
- the initial data is automatically collected at the respective acquisition frequencies.
- the corresponding timer can be started according to the initialization time of each sensor, so that the first sensor is initialized at (current time +10 ms), and the second sensor is initialized at (current time +80 ms).
- each sensor completes the initialization process at the acquisition start time and begins the first data acquisition. It should be noted that since the sensor is usually already running when the terminal is powered on, the initialization here is generally a process of reinitializing the related sensor that has already been operated.
- each sensor can simultaneously collect preliminary data at the respective acquisition frequencies from the start of the acquisition.
- the first sensor keeps running
- the second sensor has an initialization time of 190ms
- the third sensor has an initialization time of 120ms.
- a certain data acquisition time T in the process of collecting data by the first sensor may be the acquisition start time, and then the corresponding timer may be started in advance (T At the time of -190ms), the second sensor is initialized, and the third sensor is initialized at the time of (T-120ms), so that at time T, the three sensors will also start collecting preliminary data at the respective acquisition frequencies.
- Step 206 Acquire preliminary data collected by at least two data acquisition units according to a synchronous acquisition frequency to obtain synchronization data.
- the preliminary data collected by each sensor may be acquired according to the synchronous acquisition frequency selected in step 204 to obtain synchronization data.
- This synchronization data can be provided to the application for use.
- the application may release the registered sensor when the synchronization data is not needed; the released sensor may change back from the second working mode to the first working mode and the like.
- the data collection method provided in the second embodiment adjusts the acquisition start time of at least two data acquisition units, and simultaneously captures synchronization from the preliminary data collected by the at least two data acquisition units according to the synchronous acquisition frequency.
- the manner of data multiple sets of synchronous data of each data acquisition unit are obtained, and each set of synchronous data is accurate data of each data acquisition unit at the same time, so that an application using the multiple sets of synchronous data can avoid the occurrence of errors.
- FIG. 3 is a structural block diagram of a data collection apparatus according to Embodiment 3 of the present invention.
- the data collection device 30 can be used in a device including a plurality of data collection units 301, such as a fixed terminal such as a personal computer or a server, or a mobile terminal such as a notebook, a tablet, and a mobile phone, and the mobile terminal usually also A plurality of synchronized data usage modules 302 are included.
- the data collection device 30 may include: an acquisition unit registration module 303, an operation mode setting module 304, an initialization time acquisition module 305, a start time acquisition module 306, an initialization time acquisition module 307, an initialization module 308, and an acquisition frequency acquisition module 309.
- the data collection unit 301 is configured to collect preliminary data according to a certain acquisition frequency.
- the data collection unit 301 can be various sensors in the mobile terminal.
- the acquisition frequency here can refer to the actual acquisition frequency of the sensor or the frequency at which the sensor reports the preliminary data.
- the data collection unit 301 generally includes two working modes: a first working mode, determining whether the difference between the data collected this time and the previously collected data is greater than a predetermined threshold, and if so, using the data collected this time as preliminary data. Reporting;
- the second working mode each collected data is reported as preliminary data.
- the data collection unit 301 operates in the first mode of operation.
- the synchronous data using module 302 is configured to use or process the data of the same time collected by each of the data collecting units 301, and the data of the same time collected by the respective data collecting units 301 is the synchronous data.
- the sync data usage module 302 can be an application.
- the synchronization data is provided by the synchronization data acquisition module 312.
- the collecting unit registration module 303 is configured to register all or part of all the data collecting units 301 as the data collecting unit 301 to be collected synchronous data when the synchronous data using module 302 needs to synchronize data. Since a large number of data acquisition units 301 may be included in one terminal, the synchronization data usage module 302 may require accurate data of a portion of the data acquisition units 301 at the same time. Therefore, the synchronous data using module 302 can be registered by the collecting unit.
- the module 303 registers all or part of all the data collection units 301 as the data collection unit of the synchronization data to be collected, and the data collection unit to be collected the synchronization data is a data acquisition unit that the synchronization data usage module 302 needs to acquire the synchronization data, for the terminal.
- the other data acquisition unit in the synchronization data usage module 302 may not register.
- the working mode setting module 304 is configured to set the working mode setting of each data collecting unit 301 registered by the collecting unit registration module 303 from the default first working mode to the second working mode.
- the second working mode refers to an operating mode in which the data collecting unit 301 reports the data collected each time as preliminary data.
- the initialization time acquisition module 305 is configured to acquire the initialization time length and the maximum initialization time length of the at least two data collection units 301 registered by the collection unit registration module 303.
- the initialization time length refers to the time from the power-on initialization to the initialization and the first data acquisition. For different data acquisition units 301, the initialization time lengths may be different from each other.
- the start time acquisition module 306 is configured to acquire the acquisition start time, and the collection start time is not less than a time obtained by extending the maximum initialization time length backward according to the current time.
- the initialization time acquisition module 307 is configured to acquire the initialization time of the at least two data collection units 301 registered by the collection unit registration module 303, and the initialization time of the at least two data collection units 301 registered by the collection unit registration module 303 may be the start time.
- the acquisition start time obtained by the acquisition module 306 is based on the time obtained by the initialization time length of each of the advance data collection units 301.
- the initialization module 308 is configured to initialize at least two data collection units 301 registered by the acquisition unit registration module 303 according to the initialization time acquired by the initialization time acquisition module 307. When at least two data collection units 301 registered by the acquisition unit registration module 303 simultaneously complete the initialization process at the acquisition start time acquired by the start time acquisition module 306, preliminary data is collected at each acquisition frequency.
- the acquisition frequency acquisition module 309 is configured to acquire the acquisition frequency of at least two data collection units 301 registered by the acquisition unit registration module 303.
- the acquisition frequency is the frequency at which the data acquisition unit 301 collects preliminary data in the second mode of operation. It should be noted that each sensor may have more than one acquisition frequency. At this time, all acquisition frequencies of the sensor may be acquired.
- the acquisition frequency here may refer to the actual acquisition frequency of the sensor or the frequency at which the sensor reports the preliminary data.
- the common number acquisition module 310 is configured to obtain all common divisors of the values of the acquisition frequencies of the at least two data acquisition units 301 acquired by the acquisition frequency acquisition module 330.
- the synchronous acquisition frequency selection module 311 is configured to select one of all the common divisors obtained by the common number acquisition module 310 as the value of the synchronous acquisition frequency.
- the synchronous acquisition frequency selection module 311 may specifically include a required frequency acquisition unit 3112 and a synchronous acquisition frequency determination unit 3114, as shown in FIG.
- the demand frequency obtaining unit 3112 is configured to acquire a required frequency of the synchronization data, where the required frequency is used by the synchronization data using module 302.
- the frequency required for the data; the synchronous acquisition frequency determining unit 3114 is configured to select the minimum common divisor of the value of the required frequency obtained by the common frequency acquisition unit 3112 among the common divisors acquired by the common number acquisition module 310 as the value of the synchronous acquisition frequency .
- the request frequency acquisition unit 3112 may specifically include a lowest frequency acquisition subunit and a required frequency selection subunit (not specifically shown), since it is possible to have a plurality of synchronous data usage modules 302 at the same time.
- the lowest frequency acquisition subunit is configured to obtain a minimum frequency required when each synchronization data usage module 302 uses the synchronization data; and the required frequency selection subunit is configured to select a least common multiple of the lowest frequency values obtained by the lowest frequency acquisition subunit. As the value of the demand frequency.
- the synchronous data acquisition module 370 is configured to collect preliminary data collected by each data acquisition unit 301 according to the synchronous acquisition frequency selected by the synchronous acquisition frequency selection module 311 to obtain synchronization data.
- the data collection device may be a smart phone including a gyro sensor, a gravity acceleration sensor, an infrared sensor, and an electronic compass sensor, and the four sensors may be four data acquisition units 301.
- a racing game running in the smartphone can be a synchronized data usage module 302.
- the racing game can use the collecting unit registration module 303 to register the gyro sensor and the gravity acceleration sensor as at least two data collecting units 301 to be collected synchronous data, and then the working mode setting module 304 will The working mode of the gyro sensor and the gravity acceleration sensor is set from the default first working mode to the second working mode in which the data is collected each time as the preliminary data is reported.
- the initialization time acquisition module 305 can obtain the initialization time length of the gyro sensor is 190 ms, and the initialization time length of the gravity acceleration sensor is 120 ms, and the maximum initialization time length between the two is 190 ms.
- the initialization time as the re-initialization of the gravity acceleration sensor.
- the acquisition frequency acquisition module 309 can acquire the acquisition frequency of the gyro sensor as 100 Hz, and the acquisition frequency of the gravity acceleration sensor is 200 Hz.
- the value obtained by the common number acquisition module 310 to obtain the common frequency may be 1, 2, 4, 5, 10, 20, 25, 50, and 100.
- Synchronous acquisition The demand frequency acquisition unit 3112 in the frequency selection module 311 acquires that the racing game needs to use the synchronization data with a minimum required frequency of 25 Hz, and the synchronous acquisition frequency determining unit 3114 in the synchronous acquisition frequency selection module 311 selects 25 Hz as the synchronous acquisition frequency. .
- the synchronous data acquisition module 370 can acquire the preliminary data collected by the gyro sensor and the gravity acceleration sensor by using the synchronous acquisition frequency to obtain the synchronization data after the acquisition start time. Finally, the racing game can use the synchronized data to calculate various parameters of the game.
- the data collection apparatus adjusts the acquisition start time of at least two data acquisition units, and simultaneously acquires synchronization from the preliminary data collected by the at least two data acquisition units according to the synchronous acquisition frequency.
- each set of synchronous data is accurate data of each data acquisition unit at the same time, so that an application using the multiple sets of synchronous data can avoid the occurrence of errors.
- the data collection device provided by the foregoing embodiment is described in the third embodiment, only the division of the foregoing functional modules is illustrated. In practical applications, the foregoing functions may be allocated by different functional modules according to requirements. Upon completion, the internal structure of the device is divided into different functional modules to perform all or part of the functions described above.
- the data collection terminal provided by the foregoing embodiment is in the same concept as the data collection method embodiment, and the specific implementation process is described in the method embodiment, and details are not described herein again.
Abstract
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KR1020147026805A KR101900870B1 (ko) | 2012-02-24 | 2013-02-18 | 데이터 수집 방법 및 장치, 그리고 모바일 단말기 |
EP13752100.1A EP2808656B1 (en) | 2012-02-24 | 2013-02-18 | Data acquisition method, device and mobile terminal |
JP2014557984A JP5857374B2 (ja) | 2012-02-24 | 2013-02-18 | データ収集方法および装置並びに移動端末 |
US14/464,936 US9483543B2 (en) | 2012-02-24 | 2014-08-21 | Data collecting method and apparatus, and mobile terminal |
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CN201210044164.5A CN102607645B (zh) | 2012-02-24 | 2012-02-24 | 数据采集方法及装置、移动终端 |
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CN102607645B (zh) | 2012-02-24 | 2014-12-03 | 华为终端有限公司 | 数据采集方法及装置、移动终端 |
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CN102607645B (zh) | 2014-12-03 |
EP2808656A4 (en) | 2015-03-25 |
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US9483543B2 (en) | 2016-11-01 |
KR101900870B1 (ko) | 2018-09-20 |
EP2808656A1 (en) | 2014-12-03 |
EP2808656B1 (en) | 2018-08-29 |
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KR20140138213A (ko) | 2014-12-03 |
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