WO2012036322A1 - Appareil et procédé de mesure de distances - Google Patents

Appareil et procédé de mesure de distances Download PDF

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Publication number
WO2012036322A1
WO2012036322A1 PCT/KR2010/006212 KR2010006212W WO2012036322A1 WO 2012036322 A1 WO2012036322 A1 WO 2012036322A1 KR 2010006212 W KR2010006212 W KR 2010006212W WO 2012036322 A1 WO2012036322 A1 WO 2012036322A1
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WIPO (PCT)
Prior art keywords
time
acceleration
distance measuring
measurement
flight
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PCT/KR2010/006212
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English (en)
Korean (ko)
Inventor
홍규석
황용돈
장승진
전영혁
김범오
Original Assignee
엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to PCT/KR2010/006212 priority Critical patent/WO2012036322A1/fr
Publication of WO2012036322A1 publication Critical patent/WO2012036322A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00—Apparatus for jumping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/40—Acceleration
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/80—Special sensors, transducers or devices therefor
    • A63B2220/83—Special sensors, transducers or devices therefor characterised by the position of the sensor
    • A63B2220/836—Sensors arranged on the body of the user

Definitions

  • the present invention relates to a distance measuring instrument and a distance measuring method. More specifically, the present invention relates to a distance measuring mechanism and a distance measuring method for measuring a distance using a flight time.
  • the high jump measuring device which is one of the physical fitness measuring equipments, is a device for measuring a jumped height using only a leg force in place.
  • a high jump measuring device measures the height jumping capability of the measurer by installing a plurality of sensors at a predetermined height of the floor or wall.
  • a high jump measuring device has a cumbersome problem because the sensor must be newly installed every time the height is measured and the position of the sensor must be changed according to the user's physical condition.
  • One object of the present invention is to provide a distance measuring mechanism and a distance measuring method for accurately measuring the height of vertical delivery.
  • Another object of the present invention is to provide a distance measuring mechanism and a distance measuring method for accurately measuring a horizontal flight distance.
  • Still another object of the present invention is to provide a distance measuring instrument and a distance measuring method which are convenient for a user to use.
  • Another object of the present invention is to provide a distance measuring instrument and a distance measuring method that can be used regardless of the place.
  • Still another object of the present invention is to provide a distance measuring instrument and a distance measuring method capable of systematically managing the health of a user.
  • the present invention solves the above problems by providing the following distance measuring mechanism and distance measuring method.
  • the distance measuring device includes a sensor unit for detecting an acceleration, a control unit for calculating an airspace time based on the acceleration, and calculating at least one of a vertical reaching height and a horizontal flight distance based on the airspace time. It includes an output unit for outputting at least one of the reaching height and the horizontal flight distance.
  • a distance measuring device includes a sensor unit for detecting an acceleration, a control unit for calculating an airspace time based on an acceleration, and calculating at least one of a vertical reaching height and a horizontal flight distance based on the airspace time. It includes an output unit for outputting the set value.
  • the control unit obtains the flight start time and the flight end time based on the acceleration, and calculates the flight time according to the time interval between the flight start time and the flight end time.
  • the control unit calculates the flight time according to the time interval in which the acceleration is kept substantially constant at a predetermined value.
  • the sensor unit for detecting the acceleration including the horizontal acceleration and the vertical acceleration calculates the flight time based on the vertical acceleration, the vertical reach height and the horizontal flight based on the flight time And a control unit for calculating at least one of the distances and an output unit for outputting the calculated values.
  • the controller calculates the vertical reach height in consideration of the gravity acceleration, calculates the horizontal speed at the start of the flight based on the horizontal acceleration, and calculates the horizontal flight distance based on the flight time and the horizontal speed at the start of the flight. .
  • the distance measuring device calculates the flight time based on the input unit for receiving an input for selecting the measurement mode, including the high jump measurement mode and the long jump measurement mode, the sensor unit for detecting the acceleration, the acceleration, And a controller for calculating at least one of the vertical reaching height and the horizontal flying distance based on the flight time, and outputting the vertical reaching height when the high jump measurement mode is selected and outputting the horizontal flying distance when the long jump measuring mode is selected.
  • a distance measuring device includes a sensor unit for detecting an acceleration and calculates a flight time based on an acceleration, and calculates at least one of a vertical reach height and a horizontal flight distance based on the flight time. And a control unit for calculating a jump count based on the control unit, and an output unit for outputting the calculated value and jump count.
  • the method comprises: detecting an acceleration, calculating a flight time based on the acceleration, and measuring a value including at least one of a vertical reach height and a horizontal flight distance based on the flight time. Calculating and outputting the measured value or transmitting the measured value to an external device.
  • the distance measuring method according to another aspect of the present invention, the step of detecting the acceleration, based on the acceleration to obtain the start time and end time of the flight, calculating the flight time according to the time interval between the start and end of the flight time And calculating a measured value including at least one of a vertical reaching height and a horizontal flying distance based on the flight time and outputting the measured value.
  • a distance measuring method includes receiving an input for selecting a measurement mode including a high jump measurement mode and a long jump measurement mode, detecting an acceleration including a horizontal acceleration and a vertical acceleration, and based on an acceleration Comprising the steps of obtaining the start time and end time of flight, calculating the flight time according to the time interval between the start and end of the flight, at least one of the vertical reach height and the horizontal flight distance based on the flight time Calculating a measurement value and outputting a vertical reach height when the high jump measurement mode is selected, and outputting a horizontal flight distance when the long jump measurement mode is selected.
  • the method comprises: detecting an acceleration, calculating a flight time based on the acceleration, and measuring a value including at least one of a vertical reach height and a horizontal flight distance based on the flight time. Calculating a jump number based on the acceleration; and outputting a measurement value and a jump number.
  • the control unit for sensing the acceleration the input unit for receiving the measurement start signal, the output unit and the output unit to output the precautions during the measurement according to the mounting portion, the measurement start signal
  • the height is initialized, the height is measured during the measurement time from the time when the measurement start signal is input based on the acceleration, the jump height is calculated according to the maximum value of the height measured during the measurement time, and the jump height is output.
  • a control unit for controlling the output unit is a period from the time point at which the measurement start signal is input until the preset time elapses.
  • the distance measuring apparatus includes a control unit for calculating the jump height according to the maximum value of the height, and controls the output unit to output the jump height.
  • a distance measuring device may include: a sensor unit for sensing acceleration, an input unit for receiving a measurement start signal, an output unit, and an initializing jump distance when a measurement start signal is input, and obtaining a landing point, And a controller configured to measure a jump distance based on the horizontal component of the acceleration from the time at which the measurement start signal is input to the landing point and to output the jump distance.
  • the present invention has the following effects.
  • the user can determine the exact horizontal flight distance according to the long jump.
  • the distance measuring mechanism can be used to easily measure the distance without a separate installation process.
  • the distance measuring device is portable and can measure the distance regardless of the place.
  • the user systematically determine the state of health, individuals can lead a healthy life and society can reduce unnecessary health-related spending.
  • FIG. 1 is a perspective view of a distance measuring instrument according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a distance measuring instrument according to an embodiment of the present invention.
  • 3 is a view of a situation in which the distance measuring mechanism of the present invention is used.
  • FIG. 4 is a view of an input unit of a distance measuring instrument according to an embodiment of the present invention.
  • FIG. 5 is a view of the output unit of the distance measuring instrument according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a distance measuring method according to a first embodiment of the present invention.
  • FIG. 7 is a diagram of acceleration detected during a high jump of a user according to the first embodiment of the present invention.
  • FIG. 8 is a view of the free fall motion according to the first embodiment of the present invention.
  • FIG. 9 is a flowchart illustrating a distance measuring method according to a second embodiment of the present invention.
  • FIG. 10 is a diagram of a horizontal flight distance generated during a high jump of a user according to a second exemplary embodiment of the present invention.
  • 11 is a diagram illustrating an error message output according to a second embodiment of the present invention.
  • FIG. 12 is a flowchart of a distance measuring method according to a third embodiment of the present invention.
  • FIG. 13 is a diagram of a horizontal flight distance measured by a distance measuring method according to a third exemplary embodiment of the present invention.
  • FIG. 14 is a flowchart of a distance measuring method according to a fourth embodiment of the present invention.
  • 15 is a flowchart illustrating a distance measuring method according to a fifth embodiment of the present invention.
  • FIG. 16 is a view illustrating a relationship between acceleration and jump times detected in the distance measuring method according to the fifth embodiment of the present invention.
  • 17 is a flowchart illustrating a distance measuring method according to a sixth embodiment of the present invention.
  • 19 is a view of the output of the precautions when jumping in the distance measuring method according to a sixth embodiment of the present invention.
  • 20 is a view of the height measured during the measurement time in the distance measuring method according to the sixth embodiment of the present invention.
  • 21 is a flowchart illustrating a distance measuring method according to a sixth embodiment of the present invention.
  • FIGS. 1, 2, and 3. 1 is a perspective view of a distance measuring device 100 according to an embodiment of the present invention
  • FIG. 2 is a configuration diagram of the distance measuring device 100 according to an embodiment of the present invention
  • FIG. 3 is according to the present invention. It is a figure regarding the situation where the distance measuring mechanism 100 is used.
  • the distance measuring device 100 may be a device that measures at least one of the vertical reaching height and the horizontal flying distance of the object. For example, as shown in (a) and (b) of FIG. 3, the distance measuring device 100 may measure the leap distance moved when the user reaches the highest height or the long jump reached when the user jumps. Can be. As another example, as shown in (c) of FIG. 3, when the user throws an object, the distance measuring device 100 may measure the distance that the object flies until the object reaches the highest height in the air or falls to the ground. . As another example, as shown in (d) of FIG. 3, the distance measuring device 100 may measure the height of the object when the object falls from a high place or when the user jumps out.
  • the distance measuring device 100 according to the present invention is installed on an object in free fall motion and can measure the moving distance in the gravity direction of the object.
  • the distance measuring device 100 the input unit 110 for receiving information from the outside, the output unit 120 for outputting information to the outside, the communication unit for communicating information with an external device 130, a storage unit 140 for storing information, a sensor unit 150 for detecting acceleration, and a controller 160 for calculating a distance and controlling other components.
  • FIGS. 4 and 5 are views of the input unit 110 of the distance measuring device 100 according to an embodiment of the present invention
  • Figure 5 is an output unit 120 of the distance measuring device 100 according to an embodiment of the present invention It is a figure concerning.
  • the input unit 110 may receive information from the outside. Such information may include, for example, selection of personal information and a measurement mode of the user, as illustrated in FIG. 4.
  • the measurement mode may include a high jump measurement mode or a long jump measurement mode. Detailed description of the measurement mode and the selection of the measurement mode will be described later in the description of the distance measuring method according to the present invention.
  • the personal information may be various information such as a user's name, gender, age, height, weight, and the like.
  • the input unit 110 may obtain such information and store the information in the storage unit 140 to be described later or transmit the information to an external device using the communication unit 130.
  • the external device may be, for example, a mobile communication terminal or a server or a personal computer. These external devices are generally more capable of computing than distance measuring instruments, and they will be able to perform more complex data analysis using these high computing capabilities.
  • the input unit 110 may receive information in various ways.
  • the input unit 110 may include at least one of a button, a touch screen, and a microphone.
  • a button or a touch screen may receive information as the user presses the input unit 110.
  • the microphone may receive information according to the voice of the user.
  • the output unit 120 may output information to the outside.
  • Such information may include, for example, a measured distance, for example, a vertical reach height or a horizontal flight distance, an error message, and a jump count, as illustrated in FIG. 5.
  • a measured distance for example, a vertical reach height or a horizontal flight distance
  • an error message for example, a vertical reach height or a horizontal flight distance
  • a jump count as illustrated in FIG. 5.
  • the output unit 120 may output information in various ways.
  • the output unit 120 may output information using at least one of a visual signal, an audio signal, and a tactile signal.
  • the output unit 120 may include at least one of a display, a speaker, and a vibration device.
  • the display may display an image.
  • the speaker may output a voice message.
  • the communicator 130 may communicate information with an external device.
  • the communication unit 130 may transmit information to or receive information from an external device.
  • the external device may include a server, a mobile communication terminal and a personal computer.
  • the distance measuring apparatus 100 may perform more comprehensive information management by sharing information with an external device through the communication unit 130.
  • the distance measuring mechanism 100 may be implemented as a single device such as a mobile communication terminal. Specifically, by adding an acceleration sensor to the mobile communication terminal and installing a software program for the distance measuring method, the mobile communication terminal and the distance measuring instrument may be realized as one device.
  • the communication unit 130 may perform communication in various ways.
  • the communication unit 130 may perform wired or wireless communication through a wired or wireless communication network.
  • Wired communication may include, for example, a universal serial bus (USB) method or an RS-232 (RS-232) method.
  • wireless communication may be performed using, for example, Wi-Fi, Wibro, Bluetooth, Zigbee, RF, infrared data association (IrDA), and various other methods. Can be performed.
  • the storage 140 may store information. Such information may include information received from the input unit 110, information received from the communication unit 130, information generated by the control unit 160, and the like.
  • the storage unit 140 may include various storage media.
  • the storage 140 may be a memory.
  • the memory may include, for example, a flash memory, a RAM, a ROM, a hard disk, an SD card, and the like.
  • the storage unit 140 may be provided in a form that is built in the interior of the distance measuring mechanism 100 or a form that can be mounted and detached.
  • the sensor unit 150 may detect the acceleration of the object.
  • the object may include, for example, a user or an object.
  • the acceleration of the user may be detected, and when the distance measuring device 100 measures the distance traveled by the object, the acceleration of the object is measured. Can be measured.
  • the sensor unit 150 may include an acceleration sensor.
  • the acceleration sensor may detect acceleration in at least one direction.
  • the acceleration sensor may detect at least one of the acceleration of the vertical component and the acceleration in the horizontal direction.
  • the sensor unit 150 may be installed on an object, that is, a user or an object, to measure the acceleration of the object.
  • the sensor unit 150 which is an acceleration sensor, may detect the acceleration where the acceleration sensor is installed. Therefore, the sensor unit 150 may be installed at a fixed portion of the object to measure the distance. For example, when a user jumps high or long, an unwanted motion occurs during a jump on a part such as a hand or a foot, and thus an acceleration sensor installed in the part may detect an acceleration including an error. Therefore, when measuring the high jump or long jump distance of the user, it may be desirable that the distance measuring device is installed on a fixed part of the body, such as a stomach, waist or chest.
  • the controller 160 may calculate a distance and control another configuration. Detailed description of the control unit 160 will be described later in the description of the distance measuring method according to the present invention.
  • the distance measuring method according to the present invention will be described using the distance measuring mechanism 100 according to the present invention.
  • the distance measuring mechanism 100 is used to easily explain the distance measuring method according to the present invention. Therefore, the distance measuring method according to the present invention is not limited by the distance measuring mechanism 100 according to the present invention.
  • the distance measuring method according to the present invention may use another device that performs the same function as the distance measuring device 100 according to the present invention.
  • FIG. 6 is a flowchart illustrating a distance measuring method according to a first embodiment of the present invention.
  • FIG. 7 is a view illustrating acceleration detected when a user jumps high in the distance measuring method according to the first embodiment of the present invention.
  • 2 is a view of a free fall motion in the distance measuring method according to the first embodiment of the present invention.
  • the step of detecting acceleration (S110), calculating the flight time based on the acceleration (S120), calculating the vertical reach height based on the flight time ( S130) and measuring the vertical reach height (S140) may be included.
  • each step of the distance measuring method according to the first embodiment of the present invention will be described.
  • the distance measuring device 100 may detect the acceleration (S110).
  • the sensor unit 150 may detect acceleration of an object on which the distance measuring device 100 is mounted, for example, a user or another object.
  • the sensor unit 150 may include an acceleration sensor. Such an acceleration sensor can detect the acceleration according to the movement of the object.
  • the acceleration sensor receives a force due to the acceleration according to the movement of the object, and thus may generate an electrical signal reflecting the acceleration.
  • 7 is a diagram of acceleration detected when a user jumps in place.
  • the acceleration sensor may detect 1G according to the acceleration of gravity while the user is in a stopped state before taking a leap and after landing, that is, during the stop section of FIG. 7. That is, the acceleration sensor may detect an acceleration corresponding to 9.8 m / s 2 in the ground direction according to gravity when the acceleration sensor is at a stop state.
  • the acceleration sensor does not receive an external force because the user is in a free fall state during the airfield state, that is, during the airspace section of FIG. Therefore, the acceleration sensor can detect 0G during the flight section.
  • the acceleration sensor can detect a sudden acceleration change immediately before and after the jump. Immediately before the jump, the acceleration sensor may detect a change in acceleration according to the jump preparation operation. Immediately after the jump, a sudden change in acceleration due to the collision with the ground can be detected.
  • the distance measuring device 100 may calculate the flight time based on the acceleration (S120).
  • the flight time may mean a time interval in which the object is in the air. For example, when the user jumps, the time interval from the time of jumping to the landing may be the flight time. In another example, when the ball is thrown, the time interval from the time the ball leaves the thrower's hand to the time it collides with the ground may be the flight time. Also, if you drop the ball from a high place, the flight time may be from the time the ball is released to the moment the ball touches the ground. During this flight time, the object can freely move. When the object falls freely, the sensor unit 150 of the distance measuring device 100 may detect that there is no acceleration.
  • the controller 160 may receive a signal reflecting the acceleration from the sensor unit 150 and calculate the flight time based on the acceleration according to the received signal.
  • the method of calculating the flight time by the controller 160 may vary.
  • a first method of calculating the flight time by the controller 160 is as follows.
  • the controller 160 may acquire the start of flight time, which is the moment when the object falls from the ground, and the end of flight time, which is the moment when the object touches the ground again, based on the acceleration sensed by the sensor unit 150. For example, as shown in FIG. 7, when the user jumps into position, the acceleration may suddenly change suddenly at the time of jumping and landing. Accordingly, the controller 160 may determine a time point when the acceleration suddenly changes suddenly as a jump time and a landing time. For example, the controller 160 may determine when the change in the acceleration sensed by the sensor unit 150 is equal to or greater than a predetermined slope as a start point and a landing point. Alternatively, the controller 160 may determine when the magnitude of the acceleration is greater than a predetermined value as the jumping time and the landing point. At this time, the jump time may be the start of the flight, and the landing time may be the end of the flight. The controller 160 may determine the time interval between the acquired flight start time and the flight end time as the flight time.
  • a second method of calculating the flight time by the controller 160 is as follows.
  • the controller 160 may determine the flight time while the acceleration sensed by the sensor unit 150 is substantially maintained at a predetermined value.
  • a predetermined value For example, as shown in FIG. 7, when the user jumps into position, the sensor unit 150 may substantially sense 0G when the hole section, that is, the user is in the free fall state. Therefore, the controller 160 may determine the time interval at which the acceleration detected by the sensor unit 150 is maintained at 0G as the flight time.
  • the accelerometer mounted on the ball may free fall from the moment the ball touches the ground to the moment it touches the ground.
  • the sensor unit 150 may detect 0G as in the case of high jump while the ball falls freely, and the controller 160 may determine a time interval in which the acceleration detected by the sensor unit 150 is maintained at 0G as the flight time. have.
  • a third method of calculating the flight time by the controller 160 is as follows.
  • the controller 160 may calculate the vertical speed based on the acceleration. When the object measured by the distance measuring device 100 reaches the highest height, the vertical speed may be zero. In addition, the time taken for ascending and the time taken for descending may be the same. Thus, the flight time may be twice the time interval from the highest height to the end of the flight. The controller 160 may determine the flight time according to the time interval from the time when the vertical speed is 0 to the last time when the acceleration is kept constant. In detail, the controller 160 may determine, as the flight time, twice the time interval at which the acceleration is kept constant from the time when the vertical speed is zero.
  • the controller 160 may determine the flight time as twice the time interval from the time when the vertical speed is 0 to the time when the acceleration is rapidly changed, that is, when the flight ends.
  • the controller 160 may determine the landing point relatively accurately based on the acceleration detected by the sensor unit 150.
  • obtaining the time from the time when the object reaches the highest height to the end of the flight may be relatively more accurate than obtaining the time from the start of the flight to the end of the flight.
  • the controller 160 may measure the vertical speed by integrating the vertical acceleration as described above, and calculate the flight time based on the time interval from the point where the vertical speed is zero to the time when the vertical acceleration changes rapidly.
  • the distance measuring mechanism 100 may calculate the vertical reach height based on the flight time calculated by the method described above (S130).
  • the controller 160 may calculate the vertical reach height based on the flight time. In this case, the controller 160 may calculate the vertical reach height by further considering the gravity acceleration.
  • the moving distance of an object in constant constant acceleration with constant acceleration can be determined as follows.
  • D may be a moving distance
  • a may be acceleration
  • t may be time
  • the increased moving distance may be determined by the time interval from the start of the flight to the highest point in the vertical direction, and the lowered moving distance may be determined by the time interval from the time of reaching the highest point to the end of the hole. At this time, if the height of the flight start point and the height of the end of the flight is the same, the increased moving distance and the lowered moving distance may be the same.
  • D up may be a moving distance
  • D down is a moving distance t up is a rising time
  • t down is a falling time
  • g may be a gravity acceleration.
  • the distance measuring device 100 may determine the gravitational acceleration to 9.81 m / s 2 , which is generally known.
  • the distance measuring device 100 may detect the acceleration value detected when the user stops and determine the detected value as the gravity acceleration value.
  • the climbed height may be the same as the climbed height. Therefore, in this case, if the external force other than the acceleration of gravity is not applied, the time up and the time down may be the same.
  • the flight time is the sum of the rise time and the fall time, the rise time and the fall time may be half of the flight time. Therefore, the vertical reach height can be expressed as follows.
  • t total may be the flight time.
  • the controller 160 can calculate the vertical reach height based on the flight time using this principle.
  • the distance measuring mechanism 100 may output the calculated vertical reach height (S130).
  • the output unit 120 may output the vertical reach height.
  • the speaker may output a voice message indicating the vertical reaching height, or the display may output an image message indicating the vertical reaching height. This will allow the user to know the vertical reach height.
  • the distance measuring device 100 may transmit the vertical reach height to an external device. Such transmission may be performed by the communication unit 130.
  • the external device may include a server, a mobile communication terminal, a personal computer, and the like. The external device can receive this information, process the information, store it, and provide it to other users. This will allow the measurement of the user to be systematically managed.
  • FIG. 9 is a flowchart illustrating a distance measuring method according to a second embodiment of the present invention.
  • FIG. 10 is a view showing a horizontal flight distance generated during a high jump of a user according to a second embodiment of the present invention.
  • 2 is a diagram illustrating an error message output according to the second embodiment.
  • the step of detecting the horizontal acceleration and the vertical acceleration (S210), calculating the flight time based on the vertical acceleration (S220), calculating the vertical reach height ( S230), determining whether an error occurs during the high jump (S240), outputting an error message when an error occurs (S250) and outputting a vertical reach height when no error occurs (S260). can do.
  • each step of the distance measuring method according to the second embodiment of the present invention will be described.
  • the distance measuring device 100 may detect horizontal acceleration and vertical acceleration (S210).
  • the sensor unit 150 may detect the acceleration as described above.
  • the acceleration may include horizontal acceleration and vertical acceleration. More specifically, the vertical acceleration may be acceleration in the direction of gravity, and the horizontal acceleration may be acceleration in a direction perpendicular to the direction of gravity.
  • the sensor unit 150 may include at least two acceleration sensors to detect acceleration including horizontal acceleration and vertical acceleration.
  • the sensor unit 150 may be a three-axis acceleration sensor and may detect acceleration in the vertical direction, acceleration in the first horizontal direction, and acceleration in the second horizontal direction. In this case, both the first horizontal direction and the second horizontal direction may be perpendicular to the gravity direction, and may be perpendicular to each other.
  • the distance measuring device 100 may calculate the flight time based on the vertical acceleration (S220).
  • the controller 160 may receive a signal reflecting the vertical acceleration from the sensor unit 150 and calculate the flight time based on the vertical acceleration according to the received signal.
  • the method for calculating the flight time may be basically performed according to the magnitude of acceleration without direction.
  • the controller 160 may calculate the flight time using only the vertical acceleration except the horizontal acceleration among the sensed accelerations. Theoretically, free-falling objects may not be accelerated in any direction. Therefore, the controller 160 may calculate the flight time based on the magnitude of the acceleration that does not separate the vertical and horizontal components. However, in practice, noise can occur in horizontal acceleration due to various causes.
  • the controller 160 may calculate the flight time based on the acceleration of the vertical component except the horizontal component among the detected accelerations.
  • the distance measuring mechanism 100 has the effect of calculating more accurate flight time.
  • the method of calculating the flight time by the controller 160 based on the vertical acceleration may be basically the same as the method of calculating the flight time in the distance measuring method according to the first embodiment.
  • the distance measuring mechanism 100 may calculate the vertical reach height (S230).
  • the method for calculating the vertical reaching height by the distance measuring device 100 may be the same as the method for calculating the vertical reaching height by the distance measuring device 100 in the distance measuring method according to the first embodiment of the present invention.
  • the distance measuring device 100 may determine whether an error occurs during the high jump (S240).
  • the controller 160 may determine whether an error occurs during the high jump.
  • the error may be whether the user moves in the horizontal direction during the high jump as shown in FIG. 10.
  • the error may be a case where the detected acceleration value is greater than or equal to a threshold value when the distance measuring device 100 is installed on the object to detect the acceleration of the object.
  • the controller 160 may determine that an error has occurred when the sensor 150 acquires an unwanted acceleration value according to the movement of the wrist or ankle.
  • the controller 160 may perform the determination of the error in various ways.
  • the controller 160 may determine whether an error is based on the horizontal acceleration detected by the sensor unit 150. For example, the controller 160 may determine that an error occurs when the horizontal acceleration occurs during the flight time from the start of the flight to the end of the flight in the high jump. Alternatively, the controller 160 may determine that an error occurs in the high jump when the horizontal acceleration at the start of the flight is greater than or equal to the first threshold.
  • the controller 160 may determine whether an error occurs based on the horizontal speed at the start of the flight. During acceleration, the horizontal acceleration may not occur during the free fall of the object. Therefore, during high jumps, the horizontal flight distance may occur depending on the horizontal speed at the time of jumping.
  • the controller 160 may determine that an error has occurred when the hopping time, that is, the horizontal speed at the start of the flight, is greater than or equal to the second threshold.
  • the controller 160 may calculate the horizontal speed at the start time of the flight using the horizontal acceleration detected up to the time of jumping. In detail, the controller 160 may calculate the horizontal speed at the start of the flight by integrating the horizontal acceleration up to the time of jumping.
  • the controller 160 may determine whether an error occurs based on the horizontal flight distance during the flight time.
  • the controller 160 may determine that an error has occurred when the distance moved in the horizontal direction during the flight time is equal to or greater than the third threshold value.
  • the controller 160 may calculate the horizontal flight distance by using the horizontal speed at the time of jumping. For example, since the object falls freely during the flight time, the controller 160 may calculate the horizontal flight distance by multiplying the speed and the flight time at the start of the flight.
  • the controller 160 may calculate the horizontal speed at the start of the flight based on the horizontal acceleration as described above.
  • the distance measuring mechanism 100 may output an error message when an error occurs (S250).
  • the output unit 120 may output an error message when an error occurs.
  • Such an error message may be a message reflecting whether an error has occurred. The user will see these messages and see that the high jump is wrong.
  • the controller 160 may control the output unit 120 to output an error message when an error occurs.
  • the output unit 120 may output an error message through at least one signal of an auditory, visual and tactile signal.
  • Such an error message may basically be a message reflecting the occurrence of an error in the measurement.
  • the error message may be a message indicating the cause of the error.
  • the output unit 120 may output a message that the user does not jump in place when the user jumps over a predetermined distance in the horizontal direction when the user needs to jump in place.
  • the output unit 120 may output a message indicating the fact when the acceleration is incorrectly detected according to the user's aerial motion.
  • the distance measuring mechanism 100 may output the vertical reaching height when no error occurs (S260). As shown in FIG. 11, the output unit 120 may output a vertical reach height when no error occurs. The controller 160 may control the output unit 120 to output the vertical reaching height when no error occurs. On the other hand, the distance measuring mechanism 100 may output a vertical reach height with an error message even when an error occurs.
  • an error message is output when the user jumps incorrectly in measuring the vertical reach height according to the high jump. As a result, the user can know that the jump is wrong.
  • FIG. 12 is a flowchart of a distance measuring method according to a third embodiment of the present invention
  • FIG. 13 is a view of a horizontal flight distance measured by the distance measuring method according to the third embodiment of the present invention.
  • the step of detecting the horizontal acceleration and the vertical acceleration (S310), calculating the flight time (S320), calculating the horizontal flight distance (S330) and horizontal flight It may include at least one of the step (S340) for outputting the distance.
  • each step of the distance measuring method according to the third embodiment of the present invention will be described.
  • Detecting the horizontal acceleration and the vertical acceleration (S310) and calculating the flight time (S320) may be the same as those described in the distance measuring method according to the first and second embodiments of the present invention.
  • the distance measuring mechanism 100 may calculate the horizontal flight distance (S330).
  • the horizontal flight distance may mean a distance moved in the horizontal direction, that is, the direction perpendicular to gravity, during the flight time, as shown in FIG. 13.
  • the controller 160 may measure the horizontal flight distance based on the flight time and the horizontal acceleration.
  • the controller 160 may measure the horizontal flight distance in various ways.
  • the controller 160 may measure the horizontal flight distance based on the horizontal acceleration detected during the flight time. In detail, the controller 160 may calculate the horizontal speed during the flight time by integrating the horizontal acceleration detected during the flight time. The controller 160 may calculate the horizontal moving distance in the horizontal direction during the flight time, that is, the horizontal flight distance by integrating the calculated horizontal speed during the flight time.
  • the controller 160 may calculate the horizontal flight distance based on the flight time and the horizontal speed at the start of the flight. Free-falling objects may not be subjected to external forces other than gravity. Therefore, the horizontal acceleration may not be applied to the object during the flight time. Accordingly, the horizontal speed during the flight time during the long jump may be substantially constant except for the speed change of negligible size due to air resistance. Accordingly, the controller 160 may calculate the horizontal speed at the start of the flight based on the horizontal acceleration, and calculate the horizontal flight distance during the flight time by multiplying the horizontal speed and the flight time.
  • the step S340 of outputting the horizontal flight distance may be the same as the step of outputting the vertical reaching height in the distance measuring method according to the first embodiment of the present invention.
  • the output unit 120 may output a horizontal flight distance instead of the vertical reach height.
  • the distance measuring method there is an effect of knowing the distance the user runs or throws when the user makes a long jump or a long throw.
  • the distance measuring device 100 acquires a more accurate flight time, and thus has an effect of performing a more accurate measurement.
  • FIG. 14 is a flowchart of a distance measuring method according to a fourth embodiment of the present invention.
  • Computing the flight time (S420) may be the same as described in the distance measuring method according to the first and second embodiments of the present invention.
  • the distance measuring mechanism 100 may select a measurement mode (S410).
  • the input unit 110 may receive an input for selecting a measurement mode.
  • the measurement mode may include a high jump measurement mode and a long jump measurement mode.
  • the measurement mode may similarly include a high throw measurement mode and a far throw mode.
  • the input unit 110 may receive an input for selecting a measurement mode from the user.
  • the controller 160 may select the measurement mode according to an input for selecting the measurement mode.
  • the distance measuring device 100 may calculate at least one of the vertical reaching height and the horizontal flying distance (S440).
  • the controller 160 may calculate at least one of the vertical reaching height and the horizontal flying distance according to the selected measurement mode according to the input selection.
  • the method for calculating the vertical reach height may be the same as that described in the distance measuring method according to the first embodiment of the present invention, and the method for calculating the horizontal flight distance is the distance measuring method according to the second embodiment of the present invention. This may be the same as described above.
  • the controller 160 may calculate the vertical reach height when the height jump measurement mode is selected.
  • the controller 160 may calculate the horizontal flight distance when the long jump measurement mode is selected.
  • the distance measuring device 100 may output at least one of the vertical reaching height and the horizontal flying distance (S450).
  • the output unit 120 may output at least one of the vertical reaching height and the horizontal flying distance.
  • the controller 160 may control the output unit 120 to output at least one measurement value. For example, the controller 160 may control the output unit 120 to output the vertical reach height when the high jump measurement mode is selected. For another example, the controller 160 may control the output unit 120 to output the horizontal flight distance when the long jump measurement mode is selected.
  • the high jump and the long jump can be simultaneously measured by one device.
  • FIG. 15 is a flowchart illustrating a distance measuring method according to a fifth embodiment of the present invention
  • FIG. 16 illustrates a relationship between acceleration and jump times detected in the distance measuring method according to the fifth embodiment of the present invention.
  • S510 detecting acceleration
  • S520 calculating a flight time
  • S530 calculating a vertical reaching height
  • S540 calculating a jump count And at least one of outputting the vertical reaching height and the number of jumps
  • Detecting the acceleration (S510), calculating the flight time (S520), calculating the vertical reach height (S530) may be the same as described in the first and second embodiments of the present invention described above. Can be.
  • the distance measuring device 100 may calculate a jump number (S540).
  • the controller 160 may calculate a jump count based on the sensed acceleration.
  • the controller 160 may calculate the jump number in various ways.
  • the controller 160 may determine a flight start time according to the sensed acceleration.
  • the controller 160 may determine the point at which the acceleration rapidly changes as the start of the flight.
  • the controller 160 may determine the point at which the flight ends when the acceleration is constantly maintained for a predetermined time and then rapidly changes again.
  • the controller 160 may determine that the acceleration is rapidly changed after the end of the flight as the start of the flight.
  • the controller 160 may determine that the detected acceleration is suddenly changed to at least one of the start of flight and end of flight.
  • the controller 160 may calculate the number of jumps based on the number of the start time and the end time of the flight.
  • the controller 160 may calculate the number of jumps based on the number of flight times.
  • the controller 160 may determine the flight time when the acceleration is substantially maintained for a predetermined time at a preset value.
  • the controller 160 may calculate a jump number according to the number of flight times.
  • the controller 160 may calculate the number of jumps according to the number of times the measured value is determined.
  • the control unit 160 may calculate the height of vertical reaching and the like in the above-described first embodiment of the present invention.
  • the controller 160 may calculate the jump count by increasing the jump count by one time each time the vertical reaching height is calculated.
  • the distance measuring device 100 may output the vertical reach height and the jump count (S550).
  • the output unit 120 may output the vertical reaching height in the same manner as described above in the distance measuring method according to the first embodiment of the present invention.
  • the output unit 120 may further output a jump count.
  • the user can know how many times the jump is this jump, there is an effect that can perform the exercise more efficiently.
  • FIG. 17 is a flowchart illustrating a distance measuring method according to a sixth embodiment of the present invention
  • FIGS. 18 and 19 are views relating to the output of precautions upon initialization in the distance measuring method according to the sixth embodiment of the present invention
  • Fig. 20 is a view of outputting precautions when jumping
  • Fig. 20 is a view of height measured during measurement time in the distance measuring method according to the sixth embodiment of the present invention.
  • Detecting the acceleration (S610) may be the same as the content described in the first embodiment.
  • the distance measuring instrument may receive a measurement start signal (S620).
  • the input unit 110 may receive a measurement start signal.
  • the distance measuring instrument may output cautions when measuring (S630).
  • the output unit 120 may output cautions when measuring.
  • the precautions for measurement may include at least one of precautions for initialization and precautions for jumping.
  • the controller 160 may control the output unit 120 to output such a notice when the user tries to measure the jump height.
  • the controller 160 may control the output unit 120 to output a notice when a measurement start signal is input.
  • the controller 160 may control the output unit 120 to output such a precaution when the distance measuring apparatus 100 is mounted on the user's body.
  • the distance measuring mechanism 100 may output cautions when measuring according to the mounting portion.
  • the controller 160 may obtain information about a body part, that is, a mounting part, on which the distance measuring device 100 is mounted.
  • the controller 160 may receive information about the mounting portion through the input unit 120.
  • a mounting site may be a specific site of the body.
  • the mounting site may be a wrist, ankle, waist, chest, neck, etc. and various other body parts.
  • the distance measuring mechanism 100 may output cautions upon initialization depending on the mounting portion.
  • the controller 160 may initialize the height to set a reference point for measuring the jump height.
  • the distance measuring device 100 may be advantageous to set the reference point in the same posture as the posture when the peak is reached.
  • the controller 160 may output precautions during such initialization. For example, as shown in (a) of FIG. 18, when the distance measuring device 100 is mounted on the wrist, the controller 160 outputs a message instructing to initialize the hand in a raised state. 120 may be controlled. For another example, as shown in FIG. 18B, when the distance measuring device 100 is mounted on the ankle, the controller 160 outputs a message instructing to initialize the body in a straight state.
  • the unit 120 may be controlled.
  • the distance measuring mechanism 100 may output cautions when jumping according to the mounting portion.
  • the distance measuring device 100 may be advantageous to set the reference point in the same posture as the posture when the maximum point is reached during the jump.
  • the posture when the maximum point is reached during the jump is the same as the posture when the reference point is set.
  • the controller 160 may output a notice during such a jump. For example, as shown in (a) of FIG. 19, when the distance measuring device 100 is mounted on the wrist, the controller 160 outputs a message instructing to raise a hand when jumping. 120 can be controlled. For another example, as shown in FIG. 19B, when the distance measuring device 100 is mounted on the ankle, the controller 160 outputs a message indicating that the foot is not bent when jumping. 120 can be controlled.
  • the distance measuring instrument 100 may determine the measurement time (S640).
  • the measurement time may mean a time when the distance measuring device 100 measures the height by sensing the acceleration.
  • the controller 160 may determine the measurement time.
  • the controller 160 may start the measurement time from when the input unit 110 receives the measurement start signal.
  • the controller 160 may determine a period from the time when the input unit 110 receives the measurement start signal to the time when a predetermined time elapses, as the measurement time.
  • the constant time may be a preset time.
  • the input unit 110 may receive a measurement end signal, and the controller 160 may determine a period from a time point at which the measurement start signal is input to a time point at which the measurement end signal is received as the measurement time. .
  • the distance measuring mechanism 100 may initialize the height (S650).
  • the controller 160 may initialize the height. In this case, initializing the height may mean setting a reference point for identifying an accurate change amount of the height calculated based on the acceleration to be described later.
  • the distance measuring device 100 may be mounted on the user's body, and may set the mounted position as a reference point.
  • the controller 160 may initialize the height when the measurement start signal is input. Alternatively, the controller 160 may initialize the height when the above-described precautions during initialization are output.
  • the distance measuring device 100 may measure the height based on the acceleration during the measurement time (S660).
  • the controller 160 may measure the height based on the acceleration detected by the sensor unit 150 during the measurement time.
  • the controller 160 may acquire the speed by integrating the acceleration detected during the measurement time, and measure the changed height from the time of initializing during the measurement time by integrating the speed again.
  • the distance measuring device 100 may calculate the jump height according to the maximum value of the height measured during the measurement time (S670).
  • the controller 160 may calculate the jump height according to the maximum value of the height measured during the measurement time. As shown in FIG. 20, the controller 160 may measure the height based on the acceleration detected by the sensor unit 150 during the measurement time. The controller 160 may determine the largest value and the maximum value among these heights as the jump height.
  • the distance measuring device 100 may calculate the number of jumps based on the vertical speed measured during the measurement time. Information on this may be the same as described above in the description of another embodiment of the present invention.
  • the distance measuring mechanism 100 may output the calculated jump height (S680).
  • the output unit 120 may output the jump height calculated by the controller 160.
  • the distance measuring device 100 may calculate the horizontal moving distance based on the acceleration during the measurement time.
  • the sensor unit 150 may detect horizontal acceleration during acceleration, and the controller 160 may calculate a horizontal moving distance based on the horizontal acceleration detected during the measurement time.
  • the controller 160 may control the output unit 120 to output a message indicating that the high jump is wrong.
  • FIG. 21 is a flowchart illustrating a distance measuring method according to a seventh embodiment of the present invention.
  • the method includes: detecting an acceleration (S710), receiving a measurement start signal (S720), initializing a jump distance (S730), and obtaining a landing point.
  • the method may include at least one of measuring a jump distance based on a horizontal component of acceleration from a time when a measurement start signal is input to a landing point (S750) and outputting a jump distance (S760).
  • Detecting the acceleration (S710), receiving a measurement start signal (S720) may be the same as described above in the first to sixth embodiments of the present invention.
  • the distance measuring mechanism 100 may initialize the jump distance (S730).
  • the jump distance may be a distance that the user jumps and moves in the horizontal direction when the user jumps long distance.
  • a reference point may be set and the jump distance may be initialized accordingly.
  • the controller 160 may initialize the jump distance when the measurement start signal is input.
  • the distance measuring mechanism 100 may obtain a landing point (S740).
  • the controller 160 may determine the landing point based on the acceleration. For example, since the free fall state during the jump, the sensor unit 150 detects a certain acceleration, and at the time of landing, the sensor unit 150 may detect a sudden change in acceleration. Accordingly, the controller 160 may determine the time when the acceleration is rapidly changed as the landing point. For another example, the controller 160 may measure the speed in the vertical direction based on the acceleration, and determine the time when the speed in the vertical direction stops as the landing point.
  • the distance measuring device 100 may measure the jump distance based on the horizontal component of the acceleration from the time when the measurement start signal is input to the landing point (S750).
  • the controller 160 may measure the jump distance based on the horizontality of the acceleration from the time when the measurement start signal is input to the landing time obtained as described above.
  • the controller 160 may measure the horizontal speed by integrating the horizontal component of the acceleration from the time point at which the measurement start signal is input to the landing point, and calculate the jump distance by integrating the horizontal speed.
  • the distance measuring device 100 may output a jump distance (S760).
  • the controller 160 may control the output unit 120 to output the jump distance calculated as described above. This will allow the user to check the jump distance traveled by the long jump.
  • the distance measuring method according to each embodiment of the present invention described above can be used individually or in combination with each other.
  • the steps configuring each embodiment may be used separately or in combination with the steps configuring another embodiment.
  • the present invention it is possible to provide a distance measuring mechanism and a distance measuring method for informing the user of information about the height of the high jump by measuring the vertical reach height as sensing the acceleration and calculating the flight time.

Abstract

L'invention concerne un appareil et un procédé de mesure de distances. Plus précisément, l'invention concerne un appareil et un procédé de mesure de distances, notamment par l'exploitation du temps passé en l'air.
PCT/KR2010/006212 2010-09-13 2010-09-13 Appareil et procédé de mesure de distances WO2012036322A1 (fr)

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PCT/KR2010/006212 WO2012036322A1 (fr) 2010-09-13 2010-09-13 Appareil et procédé de mesure de distances

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JP2014516551A (ja) * 2011-06-02 2014-07-17 マサチューセッツ インスティテュート オブ テクノロジー メタカリオート（ｍｅｔａｋａｒｙｏｔｉｃ）幹細胞のｄｓＲＮＡ／ＤＮＡハイブリッドゲノム複製中間体
CN104535032A (zh) * 2015-01-12 2015-04-22 惠州Tcl移动通信有限公司 一种基于移动终端重力传感器的纵跳高度测量方法及装置
CN111530058A (zh) * 2020-04-20 2020-08-14 江苏医药职业学院 跳高高度测量方法及电子设备
CN113617013A (zh) * 2021-04-21 2021-11-09 北京交通大学 基于加速度检测跳跃参数方法及装置
CN117398100A (zh) * 2023-12-14 2024-01-16 合肥综合性国家科学中心人工智能研究院(安徽省人工智能实验室) 下肢力量测试方法、系统、终端设备及计算机存储介质

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US20050038626A1 (en) * 1994-11-21 2005-02-17 Peter Flentov Sport monitoring systems
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014516551A (ja) * 2011-06-02 2014-07-17 マサチューセッツ インスティテュート オブ テクノロジー メタカリオート（ｍｅｔａｋａｒｙｏｔｉｃ）幹細胞のｄｓＲＮＡ／ＤＮＡハイブリッドゲノム複製中間体
CN104535032A (zh) * 2015-01-12 2015-04-22 惠州Tcl移动通信有限公司 一种基于移动终端重力传感器的纵跳高度测量方法及装置
CN111530058A (zh) * 2020-04-20 2020-08-14 江苏医药职业学院 跳高高度测量方法及电子设备
CN113617013A (zh) * 2021-04-21 2021-11-09 北京交通大学 基于加速度检测跳跃参数方法及装置
CN117398100A (zh) * 2023-12-14 2024-01-16 合肥综合性国家科学中心人工智能研究院(安徽省人工智能实验室) 下肢力量测试方法、系统、终端设备及计算机存储介质
CN117398100B (zh) * 2023-12-14 2024-03-12 合肥综合性国家科学中心人工智能研究院(安徽省人工智能实验室) 下肢力量测试方法、系统、终端设备及计算机存储介质

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