JP2018075071A5 - - Google Patents
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- JP2018075071A5 JP2018075071A5 JP2016217234A JP2016217234A JP2018075071A5 JP 2018075071 A5 JP2018075071 A5 JP 2018075071A5 JP 2016217234 A JP2016217234 A JP 2016217234A JP 2016217234 A JP2016217234 A JP 2016217234A JP 2018075071 A5 JP2018075071 A5 JP 2018075071A5
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- swing
- speed
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- 238000001514 detection method Methods 0.000 claims 21
- 230000001133 acceleration Effects 0.000 claims 16
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000003044 adaptive Effects 0.000 claims 1
- 230000001131 transforming Effects 0.000 claims 1
Claims (9)
前記加速度情報および前記角速度情報に第１のフィルタを適用して、スイング期間の前記被検出対象の姿勢情報を算出する姿勢算出部と、
前記スイング期間の第１の時刻における前記被検出対象の姿勢情報に基づいて、前記スイング期間の前記被検出対象の姿勢情報を補正する補正部と、
前記補正部により補正された前記被検出対象の姿勢情報に基づいて、前記センサにより検出された前記加速度情報をセンサ座標系から絶対座標系に座標変換する座標変換部と、
前記スイング期間において、時間の経過に従って前記絶対座標系に座標変換された前記加速度情報を時間積分して第１の速度を算出する第１の速度算出部と、
前記スイング期間において、時間を遡って前記絶対座標系に座標変換された前記加速度情報を時間積分して第２の速度を算出する第２の速度算出部と、
前記第１の速度および前記第２の速度に第２のフィルタを適用して、前記被検出対象のスイング速度を算出するスイング情報算出部とを備え、
前記第２の速度算出部は、前記スイング期間において、前記角速度情報に基づいて算出される前記被検出対象の速度がゼロまたはゼロ近傍に到達する時刻から遡って前記絶対座標系に座標変換された前記加速度情報を時間積分して前記第２の速度を算出する、スイング解析装置。 An information input unit that receives input of acceleration information and angular velocity information detected by a sensor attached to the detection target;
A posture calculating unit that applies a first filter to the acceleration information and the angular velocity information to calculate posture information of the detection target in a swing period;
A correction unit that corrects the posture information of the detection target in the swing period based on the posture information of the detection target at the first time of the swing period;
A coordinate conversion unit that converts the acceleration information detected by the sensor from a sensor coordinate system to an absolute coordinate system based on the posture information of the detection target corrected by the correction unit;
A first speed calculating unit that calculates the first speed by time-integrating the acceleration information coordinate-converted into the absolute coordinate system as time passes in the swing period;
A second speed calculation unit for calculating a second speed by time-integrating the acceleration information coordinate-converted into the absolute coordinate system by going back in time in the swing period;
By applying the second filter to the first speed and the second speed, the example Bei the swing information calculation unit for calculating a swing speed of the object to be detected,
In the swing period, the second speed calculation unit is coordinate-converted into the absolute coordinate system retroactively from the time when the speed of the detection target calculated based on the angular speed information reaches zero or near zero. A swing analysis device that calculates the second velocity by time-integrating the acceleration information .
前記スイング情報算出部は、
前記複数の期間のうち前記スイング期間の開始時刻を含む第１の期間においては、前記第１の速度の重みよりも前記第２の速度の重みを小さくするように前記第２のフィルタを適用して前記スイング速度を算出し、
前記複数の期間のうち前記スイング期間の終了時刻を含む第２の期間においては、前記第１の速度の重みよりも前記第２の速度の重みを大きくするように前記第２のフィルタを適用して前記スイング速度を算出する、請求項１に記載のスイング解析装置。 The swing period is divided into a plurality of periods,
The swing information calculation unit
In the first period including the start time of the swing period among the plurality of periods, the second filter is applied so that the weight of the second speed is smaller than the weight of the first speed. To calculate the swing speed,
In the second period including the end time of the swing period among the plurality of periods, the second filter is applied so as to make the weight of the second speed larger than the weight of the first speed. The swing analysis device according to claim 1, wherein the swing speed is calculated.
前記プログラムは、前記コンピュータに、
前記被検出対象に取り付けられたセンサにより検出された加速度情報および角速度情報の入力を受け付けるステップと、
前記加速度情報および前記角速度情報に第１のフィルタを適用して、スイング期間の前記被検出対象の姿勢情報を算出するステップと、
前記スイング期間の第１の時刻における前記被検出対象の姿勢情報に基づいて、前記スイング期間の前記被検出対象の姿勢情報を補正するステップと、
前記補正された前記被検出対象の姿勢情報に基づいて、前記センサにより検出された前記加速度情報をセンサ座標系から絶対座標系に座標変換するステップと、
前記スイング期間において、時間の経過に従って前記絶対座標系に座標変換された前記加速度情報を時間積分して第１の速度を算出するステップと、
前記スイング期間において、時間を遡って前記絶対座標系に座標変換された前記加速度情報を時間積分して第２の速度を算出するステップと、
前記第１の速度および前記第２の速度に第２のフィルタを適用して、前記被検出対象のスイング速度を算出するステップとを実行させる、プログラム。 A program for causing a computer to analyze a swing of a detection target,
The program is stored in the computer.
Receiving input of acceleration information and angular velocity information detected by a sensor attached to the detection target;
Applying a first filter to the acceleration information and the angular velocity information to calculate posture information of the detection target during a swing period;
Correcting posture information of the detection target in the swing period based on posture information of the detection target at the first time of the swing period;
Transforming the acceleration information detected by the sensor from a sensor coordinate system to an absolute coordinate system based on the corrected posture information of the detection target;
Calculating a first velocity by time-integrating the acceleration information coordinate-converted into the absolute coordinate system over time in the swing period;
Calculating a second speed by time-integrating the acceleration information coordinate-converted into the absolute coordinate system in the swing period in the swing period;
A program for applying a second filter to the first speed and the second speed to calculate a swing speed of the detection target.
前記被検出対象のスイングを解析するためのスイング解析装置とを備え、
前記スイング解析装置は、
被検出対象に取り付けられたセンサにより検出された加速度情報および角速度情報の入力を受け付ける情報入力部と、
前記加速度情報および前記角速度情報に第１のフィルタを適用して、スイング期間の前記被検出対象の姿勢情報を算出する姿勢算出部と、
前記スイング期間の第１の時刻における前記被検出対象の姿勢情報に基づいて、前記スイング期間の前記被検出対象の姿勢情報を補正する補正部と、
前記補正部により補正された前記被検出対象の姿勢情報に基づいて、前記センサにより検出された前記加速度情報をセンサ座標系から絶対座標系に座標変換する座標変換部と、
前記スイング期間において、時間の経過に従って前記絶対座標系に座標変換された前記加速度情報を時間積分して第１の速度を算出する第１の速度算出部と、
前記スイング期間において、時間を遡って前記絶対座標系に座標変換された前記加速度情報を時間積分して第２の速度を算出する第２の速度算出部と、
前記第１の速度および前記第２の速度に第２のフィルタを適用して、前記被検出対象のスイング速度を算出するスイング情報算出部とを含む、スイング解析システム。 A sensor attached to the object to be detected;
A swing analysis device for analyzing the swing of the detection target,
The swing analyzer is
An information input unit that receives input of acceleration information and angular velocity information detected by a sensor attached to the detection target;
A posture calculating unit that applies a first filter to the acceleration information and the angular velocity information to calculate posture information of the detection target in a swing period;
A correction unit that corrects the posture information of the detection target in the swing period based on the posture information of the detection target at the first time of the swing period;
A coordinate conversion unit that converts the acceleration information detected by the sensor from a sensor coordinate system to an absolute coordinate system based on the posture information of the detection target corrected by the correction unit;
A first speed calculating unit that calculates the first speed by time-integrating the acceleration information coordinate-converted into the absolute coordinate system as time passes in the swing period;
A second speed calculation unit for calculating a second speed by time-integrating the acceleration information coordinate-converted into the absolute coordinate system by going back in time in the swing period;
A swing analysis system including a swing information calculation unit that calculates a swing speed of the detection target by applying a second filter to the first speed and the second speed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016217234A JP6806327B2 (en) | 2016-11-07 | 2016-11-07 | Swing analyzer, program and swing analysis system for computer to analyze swing |
| PCT/JP2017/039990 WO2018084295A1 (en) | 2016-11-07 | 2017-11-06 | Swing analyzing device, program for causing computer to analyze swing, and swing analyzing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016217234A JP6806327B2 (en) | 2016-11-07 | 2016-11-07 | Swing analyzer, program and swing analysis system for computer to analyze swing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018075071A JP2018075071A (en) | 2018-05-17 |
| JP2018075071A5 true JP2018075071A5 (en) | 2019-12-12 |
| JP6806327B2 JP6806327B2 (en) | 2021-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016217234A Active JP6806327B2 (en) | 2016-11-07 | 2016-11-07 | Swing analyzer, program and swing analysis system for computer to analyze swing |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6806327B2 (en) |
| WO (1) | WO2018084295A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM613059U (en) * | 2020-12-30 | 2021-06-11 | 鴻銘資訊有限公司 | Posture sensing device for giant spear of martial arts |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3160720U (en) * | 2009-06-10 | 2010-07-08 | 株式会社電興社 | Butt swing measuring device |
| JP5641222B2 (en) * | 2010-12-06 | 2014-12-17 | セイコーエプソン株式会社 | Arithmetic processing device, motion analysis device, display method and program |
| JP2014054483A (en) * | 2012-09-14 | 2014-03-27 | Univ Of Tokyo | Hand motion measuring apparatus |
| JP6390076B2 (en) * | 2013-07-05 | 2018-09-19 | セイコーエプソン株式会社 | Motion analysis apparatus, motion analysis program, and notification method |
| US10529250B2 (en) * | 2014-04-29 | 2020-01-07 | Tritonwear Inc. | Wireless metric calculating and feedback apparatus, system, and method |
| JP2016055028A (en) * | 2014-09-11 | 2016-04-21 | セイコーエプソン株式会社 | Motion analysis method, motion analysis device, motion analysis system and program |
| JP2016158699A (en) * | 2015-02-27 | 2016-09-05 | セイコーエプソン株式会社 | Landing position evaluation method and landing position evaluation apparatus |
-
2016
- 2016-11-07 JP JP2016217234A patent/JP6806327B2/en active Active
-
2017
- 2017-11-06 WO PCT/JP2017/039990 patent/WO2018084295A1/en active Application Filing
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