US20190091513A1 - Motion correction apparatus - Google Patents
Motion correction apparatus Download PDFInfo
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- US20190091513A1 US20190091513A1 US16/136,027 US201816136027A US2019091513A1 US 20190091513 A1 US20190091513 A1 US 20190091513A1 US 201816136027 A US201816136027 A US 201816136027A US 2019091513 A1 US2019091513 A1 US 2019091513A1
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- target motion
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Definitions
- This invention relates to a motion correction apparatus and a motion correction method for correcting user motion.
- JP2010-246912A Japanese Unexamined Patent Publication No. 2010-246912
- the apparatus of JP2010-246912A responds to occurrence of a difference between standard motion data and actual motion data by outputting a vibration or sound signal to a device worn by the user and thereby informing the user that his or her actual motion was incorrect.
- An aspect of the present invention is a motion correction apparatus, including: a detecting unit configured to detect an actual motion of a user corresponding to a target motion; a motion correcting unit configured to correct user motion by applying an external stimuli to a body or a brain of the user; and a processor and a memory, the processor configured to set a target motion, and the processor configured to output control signals to the motion correcting unit based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion.
- the target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
- a motion correction apparatus including: a setting portion configured to set a target motion; a detecting unit configured to detect an actual motion of a user corresponding to the target motion; a motion correcting unit configured to correct user motion by applying an external stimuli to a body or a brain of the user; and an outputting unit configured to output control signals to the motion correcting unit based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion.
- the target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
- FIG. 1 is a diagram showing an example of user motion to which a motion correction apparatus according to an embodiment of the present invention is applied;
- FIG. 2 is a block diagram schematically showing configuration of the motion correction apparatus according to the embodiment of the present invention.
- FIG. 3 is a diagram showing a relationship between desired attainment degree and desired motions used by the motion correction apparatus of FIG. 2 ;
- FIG. 4 is a flowchart showing an example of processing performed by a computing unit of FIG. 2 ;
- FIG. 5 is a diagram for explaining an example of operation of the motion correction apparatus according to the embodiment of the present invention.
- FIG. 6 is a diagram showing a modification of FIG. 1 .
- the motion correction apparatus is configured to correct user motions by outputting electric signals to equipment worn by a user so as to make user motions approach desired motions.
- Desired motions can be any of numerous types including, for example, motions involved in various field and water sports, dancing and the like, motions involved in different leisure and recreational activities, and ordinary motions involved in performance of daily activities.
- An example using golf swing motions as desired motions is taken up in the following.
- the motion correction apparatus is configured so that a learner can easily and efficiently improve actual motions toward achieving desired motions.
- FIG. 1 is a diagram showing an example of user motion to which the motion correction apparatus according to the present embodiment is applied.
- motion correction equipment 1 is fitted on a user's body (upper body and/or arms, for example) by means of straps and other fittings.
- the equipment 1 incorporates, for example, multiple electrode pads 1 a (only one shown) at predetermined positions corresponding to muscles most strongly affecting swing motion. Electric current can therefore be applied to the electrode pads 1 a to impart properly timed electrical stimuli to predetermined muscle positions.
- swing motion can be corrected by causing muscles at predetermined positions to perform contracting motions independent of the user consciousness.
- correction of swing motion can be achieved by incorporating electric motors or other such actuators into the equipment 1 and outputting control signals to the actuators so as to operate them to apply properly timed external forces of predetermined magnitude to predetermined positions of the user's body.
- cap-shaped equipment 2 is fitted on the user's head instead of, or in addition to, the equipment 1 worn on the user's body.
- the equipment 2 incorporates, for example, one or more electrodes 2 a at positions corresponding to areas of the brain that instruct muscle movements. Electric current can therefore be applied to the electrodes 2 a to impart electrical stimuli to brain areas. As a result, swing motion can be corrected by inducing the user to perform predetermined motions.
- FIG. 2 is a block diagram showing essential components of a motion correction apparatus 100 according to an embodiment of the present invention.
- the motion correction apparatus 100 is centered on a controller 10 to which detectors 20 , an input unit 30 , a display unit 40 , and the electrode pads 1 a are electrically connected by wired or wireless connection.
- the electrodes 2 a are connected to the controller 10 .
- the equipment 1 incorporates actuators (electric motors), the actuators are connected to the controller 10 .
- the detectors 20 include one or more CCD or other image sensor-equipped cameras for imaging user swing motions.
- User swing motion characteristics i.e., swing trajectory, timing, speed and the like, can be detected from picture signals produced by these cameras.
- Various sensors can be used in the detectors 20 instead of, or in addition to cameras, including, for example, acceleration sensors for detecting acceleration and force acting on certain parts of the user's body, force sensors, and displacement sensors for detecting displacement and angular change of certain parts of the user's body. Some or all of such sensors can be incorporated in the equipment 1 and 2 .
- the equipment 2 in particular can be provided with sensors for detecting brain activity including, for example, sensors for detecting brain waves/electroencephalographic waves and state of brain blood flow. Signals from the detectors 20 are sent to the controller 10 .
- the input unit 30 comprises various switches, a keyboard, a touch panel and the like that can be operated by the user to input various instructions and data to the controller 10 .
- the input unit 30 also includes a microphone the user can use to vocally input various instructions and information.
- the input unit 30 has a selector 31 as a functional constituent.
- the selector 31 is responsive to a selection operation by the user for selecting a single operation from among multiple operations stored in the controller 10 (a memory unit 15 thereof).
- the display unit 40 includes a monitor responsive to instructions from the controller 10 for informing the user of various information.
- the display unit 40 can, for example, display user actual swing motion (actual motion), desired swing motion (desired motion), degree of difference between actual motion and desired motion (attainment gap versus desired motion), and so forth.
- the display unit 40 can also be adapted to guide the user in operating the input unit 30 by, for example, showing a list operations selectable using the selector 31 .
- a speaker can be connected to the controller 10 for vocally announcing information.
- the controller 10 has a computer comprising a CPU or other computing unit 10 A, a memory unit 10 B including ROM, RAM and the like, and other peripheral circuits.
- the computing unit 10 A comprises a setting portion 11 , a calculating portion 12 and an outputting portion 13 as functional constituents.
- some functions of the controller 10 can be shared among multiple intercommunicating controllers.
- desired motions are stored in the controller 10 in advance. These desired motions include swing motions of professional golfer A, professional golfer B, and a number of other professional golfers. These desired motions can include various different swing motions to be recommended in accordance with attributes of the user including, for example, gender, age, and golf skill level. Swing motions directed to increasing ball flight distance, curing hook or slice, and other such purposes can also be included among the desired motions.
- the controller 10 can be adapted to acquire desired motions from external servers and the like for storage in the memory unit 10 B.
- the setting portion 11 sets a desired motion selected by the user using the selector 31 as a final desired motion. For example, it sets a swing motion of professional golfer A or professional golfer B as the final swing motion. In addition, the setting portion 11 sets one or more motion steps as intermediate desired motions (phases) up to the final swing motion.
- the intermediate desired motions are lower skill level motions than the final desired motion.
- FIG. 3 is a diagram showing an example of desired motions set by the setting portion 11 .
- a final desired motion and two intermediate motion phases (first intermediate desired motion and second intermediate desired motion) are set.
- proficiency of the final desired motion as 100%
- the first intermediate desired motion is set at a considerably lower proficiency of ⁇ 1 (e.g., 30%)
- the second intermediate desired motion is set at a somewhat less lower proficiency of ⁇ 2 (e.g., 60%).
- the setting portion 11 sets proficiencies ⁇ 1 and ⁇ 2 of intermediate desired motions predetermined in accordance with difference between final desired motion and user actual motion, i.e. in accordance with attainment degree gap between actual motion and final desired motion.
- the calculating portion 12 of FIG. 2 calculates degree of difference between user actual motion detected by the detectors 20 and desired motion set by the setting portion 11 . For example, it calculates degree of difference regarding swing motion aspects such as trajectory, speed and timing. Specifically the calculating portion 12 calculates degree ⁇ (%) actual motion attainment with respect to desired motion defined as 100% attainment.
- the outputting portion 13 sends the electrode pads 1 a control signals based on attainment degree ⁇ calculated by the calculating portion 12 .
- the outputting portion 13 sends the electrode pads 1 a motion correction control signals for improving user actual motions toward desired motions, e.g., larger electric signals in proportion as the attainment degree ⁇ is smaller.
- the outputting portion 13 also sends the display unit 40 control signals to display desired motion attainment degree ⁇ and other information on the display unit 40 .
- FIG. 4 is a flowchart showing an example of processing performed by the computing unit 10 A in accordance with a program loaded in the memory unit 10 B in advance, particularly an example of processing related to control of the electrode pads 1 a.
- the processing shown in this flowchart is started, for example, when the user operates a start switch or the like of the input unit 30 after selecting the final desired motion through the selector 31 .
- initial actual motion of the user detected by the detectors 20 is read.
- initial actual motion and actual motion attainment degree ⁇ with respect to the final desired motion selected in the selector 31 are calculated, and initial desired motion is set in accordance with the calculated initial attainment degree.
- a target value of attainment degree with respect to the desired motion namely, a target attainment degree ⁇ a (e.g., 90%) is defined in advance, and the desired motion is set in accordance with the size of the attainment degree ⁇ and target attainment degree ⁇ a.
- a target value of attainment degree with respect to the desired motion namely, a target attainment degree ⁇ a (e.g., 90%)
- target attainment degree ⁇ a e.g. 90%
- initial desired motion is set as first intermediate desired motion when initial attainment degree ⁇ is less than ⁇ 1 ⁇ a, as second intermediate desired motion when initial attainment degree ⁇ is equal to or greater than ⁇ 1 ⁇ a and less than ⁇ 2 ⁇ a, and as final actual motion when initial attainment degree ⁇ is equal to or greater than ⁇ 2 ⁇ a.
- value of target attainment degree ⁇ a can be changed every desired motion step rather than being set at a fixed value.
- desired motion is upgraded until desired motion reaches final desired motion.
- first intermediate desired motion is set as initial desired motion in first processing run of S 2
- second intermediate desired motion is set as desired motion in following processing run of S 2
- final desired motion is set in next following processing run of S 2 .
- step S 3 user actual motion detected by the detectors 20 is read.
- step S 4 degree of difference between detected swing motion and desired motion, i.e., attainment degree ⁇ of actual motion with respect to desired motion (intermediate desired motion or final desired motion), is calculated.
- step S 5 whether calculated attainment degree ⁇ is equal to or greater than target attainment degree ⁇ a is determined. When the result in S 5 is NO, the program goes to S 6 .
- motion correction processing for correcting user swing motion is performed. Specifically, during user swing motion, properly timed control signals matched to attainment degree ⁇ are output to electrode pads 1 a at selected locations. For example, electric signals larger in proportion as attainment degree is smaller are output to selected electrode pads 1 a so as to stimulate muscle movements that improve user actual motion toward desired motion.
- the program Upon completion of motion correction processing, the program returns to S 3 to repeat the aforesaid processing.
- the program goes to S 7 to determine whether the desired motion set in S 2 is the final desired motion, i.e., whether user actual motion attainment degree ⁇ (percent) is equal to or greater than target attainment degree ⁇ a and has reached the desired motion proficiency (100%).
- the program returns to S 2 to set a new desired motion. For example, when the immediately preceding desired motion was the first intermediate desired motion of FIG. 3 , the second intermediate desired motion, and when it was the second intermediate desired motion of FIG. 3 , the final desired motion, is set as the new desired motion.
- the processing is terminated.
- FIG. 5 is a diagram showing an example of user proficiency progress over time.
- level (proficiency) of initial user swing motion detected by the detectors 20 at initial time t 0 is ⁇ 0 (point P 0 )
- first intermediate desired motion is set as the desired motion (S 2 ).
- Motion correction processing is then performed in accordance with degree of user's actual motion attainment with respect to the first intermediate desired motion so as to improve user actual motion toward the first intermediate desired motion (S 6 ).
- the motion correction apparatus 100 includes: the setting portion 11 for setting desired golf swing motion; the detectors 20 for detecting user swing motion; the equipment 1 (electrode pads 1 a ) for correcting user motion by applying electrical stimuli to the body of the user; and the outputting portion 13 for outputting control signals to the electrode pads 1 a in accordance with user actual motion attainment with respect to desired motion so as to improve actual motion detected by the detectors 20 toward desired motion ( FIG. 2 ).
- Desired motion includes final desired motion and intermediate desired motion set in steps up to final desired motion (first intermediate desired motion and second intermediate desired motion) ( FIG. 3 ). Owing to adoption of such a configuration that operates the equipment 1 to apply electrical stimuli to the user's body, sets stepwise intermediate desired motions up to final desired motion, and gradually increases desired motion level, user swing motion proficiency can be simply and efficiently improved.
- the outputting portion 13 first outputs control signals to the electrode pads la in accordance with actual motion attainment degree ⁇ with respect to intermediate desired motion so as to improve user motion detected by the detectors 20 toward intermediate desired motion.
- the outputting portion 13 outputs control signals to the electrode pads 1 a in accordance with actual motion attainment degree ⁇ with respect to final desired motion so as to improve actual motion detected by the detectors 20 toward final desired motion.
- the motion correction apparatus 100 additionally includes the selector 31 for selecting one among multiple final desired motions in response to an instruction from the user ( FIG. 2 ).
- the setting portion 11 implements the final desired motion selected by the selector 31 .
- the outputting portion 13 outputs control signals to the electrode pads 1 a so as to induce the user to improve actual motion detected by the detectors 20 toward the final desired motion set by the setting portion 11 . Since the user is therefore able to correct swing motion toward a final desired motion he or she prefers among multiple final desired motions, the user enjoys a high degree of satisfaction. If swing motions of professional golfer A and professional golfer B, for example, are included among candidate swing motions selectable by the user, the user can easily master swing motions of a favorite professional golfer.
- the electrode pads 1 a are incorporated in the equipment 1 worn on the user's body, and the outputting portion 13 outputs control signals to the electrode pads la in accordance with actual motion attainment degree ⁇ with respect to the desired motion.
- the application of electrical stimuli to the user's body in accordance with attainment degree ⁇ in this manner enables easy correction of the user's swing motion.
- the motion correction method includes the steps of setting desired motion (S 2 ), detecting user actual motion relative to desired motion (S 3 ), and correcting user motion by applying external electrical stimuli to the body of the user in accordance with user actual motion attainment with respect to desired motion and thereby improve detected actual motion toward desired motion (S 6 ).
- Desired motion includes final desired motion and intermediate desired motion set in steps up to final desired motion. This enables easy and efficient improvement of improvement of user swing motion proficiency.
- FIG. 6 is a diagram showing a modification of the embodiment of FIG. 1 .
- equipment 3 for correcting walking motion is fitted on a user's body (lower body, for example).
- This equipment 3 incorporates, for example, multiple electrode pads 3 a (only one shown) at positions corresponding to muscles most strongly affecting walking motion, and properly timed electrical stimuli are applied through the electrode pads 3 a to muscles at certain positions.
- the equipment 2 can be worn on the user's head and used to correct walking motions.
- Motions that can be corrected by the motion correction apparatus are not limited to those mentioned above.
- the equipment fitted on the user's body or brain is therefore not limited to that mentioned above.
- the equipment 1 to 3 can be of any configuration insofar it is adapted to correct user motion by applying external stimuli to the user's body or brain.
- the aforesaid embodiment is adapted to store desired golf swing motions in the memory unit 10 B, but target motions of other types can also be stored in the memory unit 10 B.
- the aforesaid embodiment is adapted to detect user swing motion using the detectors 20 , but the detection unit can be suitably modified in accordance with target motion.
- the configuration of the outputting portion 13 is not limited to the aforesaid insofar as it enables output of control signals to the motion correction unit in accordance with user actual motion attainment with respect to target motion and thereby improves actual motion detected by the detection unit toward target motion.
- the setting portion 11 is adapted to set the final desired motion, first intermediate desired motion and second intermediate desired motion, but insofar as a stepwise approach to final target motion is established, it can be adapted to set a single intermediate target motion or three or more intermediate target motions. Moreover, when user initial motion level is already near final desired motion, intermediate target motion can be skipped and final target motion set from the start.
- the aforesaid embodiment is adapted to use the motion correction apparatus 100 to correct golf swing motion, but the motion correction apparatus of this invention can be similarly applied to, inter alia, various cases of motion correction of sports other than golf as well as of motions other than sports (e.g., rehabilitation motion).
Abstract
A motion correction apparatus, including: a setting portion configured to set a target motion; a detecting unit configured to detect an actual motion of a user corresponding to the target motion; a motion correcting unit configured to correct user motion by applying an external stimuli to a body or a brain of the user; and an outputting unit configured to output control signals to the motion correcting unit based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion, wherein the target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
Description
- This application is based upon and claims the benefit of priority from Japanese Patent Application No. 2017-185124 filed on Sep. 26, 2017, the content of which is incorporated herein by reference.
- This invention relates to a motion correction apparatus and a motion correction method for correcting user motion.
- Among conventional apparatuses of this type are known ones that compare actual user motion data with pre-stored standard motion data, generate data for motion correction based on result of the comparison, and output the generated data to a motion guidance unit. Such an apparatus is described in Japanese Unexamined Patent Publication No. 2010-246912 (JP2010-246912A), for example. The apparatus of JP2010-246912A responds to occurrence of a difference between standard motion data and actual motion data by outputting a vibration or sound signal to a device worn by the user and thereby informing the user that his or her actual motion was incorrect.
- However, it is difficult to efficiently correct user motion with an apparatus like that of the aforesaid JP2010-246912A configured to inform the user of incorrect motions using vibration and/or sound.
- An aspect of the present invention is a motion correction apparatus, including: a detecting unit configured to detect an actual motion of a user corresponding to a target motion; a motion correcting unit configured to correct user motion by applying an external stimuli to a body or a brain of the user; and a processor and a memory, the processor configured to set a target motion, and the processor configured to output control signals to the motion correcting unit based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion. The target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
- Another aspect of the present invention is a motion correction apparatus, including: a setting portion configured to set a target motion; a detecting unit configured to detect an actual motion of a user corresponding to the target motion; a motion correcting unit configured to correct user motion by applying an external stimuli to a body or a brain of the user; and an outputting unit configured to output control signals to the motion correcting unit based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion. The target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
- The objects, features, and advantages of the present invention will become clearer from the following description of embodiments in relation to the attached drawings, in which:
-
FIG. 1 is a diagram showing an example of user motion to which a motion correction apparatus according to an embodiment of the present invention is applied; -
FIG. 2 is a block diagram schematically showing configuration of the motion correction apparatus according to the embodiment of the present invention; -
FIG. 3 is a diagram showing a relationship between desired attainment degree and desired motions used by the motion correction apparatus ofFIG. 2 ; -
FIG. 4 is a flowchart showing an example of processing performed by a computing unit ofFIG. 2 ; -
FIG. 5 is a diagram for explaining an example of operation of the motion correction apparatus according to the embodiment of the present invention; and -
FIG. 6 is a diagram showing a modification ofFIG. 1 . - An embodiment of the present invention is explained below with reference to
FIGS. 1 to 6 . The motion correction apparatus according to the embodiment of the present invention is configured to correct user motions by outputting electric signals to equipment worn by a user so as to make user motions approach desired motions. Desired motions can be any of numerous types including, for example, motions involved in various field and water sports, dancing and the like, motions involved in different leisure and recreational activities, and ordinary motions involved in performance of daily activities. An example using golf swing motions as desired motions is taken up in the following. - For example, a golf beginner needs to practice in order to learn ideal swing motions but cannot do so efficiently simply by imitating exemplary swings while watching a video or the like. In fact, it is particularly difficult for a learner to improve actual motions toward desired motions simply by watching and imitating when, for example, difference between the learner's actual motions and the ideal motions (desired motions) is great. In view of this, the motion correction apparatus according to this embodiment is configured so that a learner can easily and efficiently improve actual motions toward achieving desired motions.
-
FIG. 1 is a diagram showing an example of user motion to which the motion correction apparatus according to the present embodiment is applied. As shown inFIG. 1 ,motion correction equipment 1 is fitted on a user's body (upper body and/or arms, for example) by means of straps and other fittings. Theequipment 1 incorporates, for example, multiple electrode pads 1 a (only one shown) at predetermined positions corresponding to muscles most strongly affecting swing motion. Electric current can therefore be applied to the electrode pads 1 a to impart properly timed electrical stimuli to predetermined muscle positions. As a result, swing motion can be corrected by causing muscles at predetermined positions to perform contracting motions independent of the user consciousness. - Alternatively, correction of swing motion can be achieved by incorporating electric motors or other such actuators into the
equipment 1 and outputting control signals to the actuators so as to operate them to apply properly timed external forces of predetermined magnitude to predetermined positions of the user's body. - Optionally, cap-
shaped equipment 2, for example, is fitted on the user's head instead of, or in addition to, theequipment 1 worn on the user's body. Theequipment 2 incorporates, for example, one ormore electrodes 2 a at positions corresponding to areas of the brain that instruct muscle movements. Electric current can therefore be applied to theelectrodes 2 a to impart electrical stimuli to brain areas. As a result, swing motion can be corrected by inducing the user to perform predetermined motions. -
FIG. 2 is a block diagram showing essential components of amotion correction apparatus 100 according to an embodiment of the present invention. As shown inFIG. 2 , themotion correction apparatus 100 is centered on acontroller 10 to whichdetectors 20, aninput unit 30, adisplay unit 40, and the electrode pads 1 a are electrically connected by wired or wireless connection. When the user wears theequipment 2, theelectrodes 2 a are connected to thecontroller 10. When theequipment 1 incorporates actuators (electric motors), the actuators are connected to thecontroller 10. - The
detectors 20 include one or more CCD or other image sensor-equipped cameras for imaging user swing motions. User swing motion characteristics, i.e., swing trajectory, timing, speed and the like, can be detected from picture signals produced by these cameras. Various sensors can be used in thedetectors 20 instead of, or in addition to cameras, including, for example, acceleration sensors for detecting acceleration and force acting on certain parts of the user's body, force sensors, and displacement sensors for detecting displacement and angular change of certain parts of the user's body. Some or all of such sensors can be incorporated in theequipment equipment 2 in particular can be provided with sensors for detecting brain activity including, for example, sensors for detecting brain waves/electroencephalographic waves and state of brain blood flow. Signals from thedetectors 20 are sent to thecontroller 10. - The
input unit 30 comprises various switches, a keyboard, a touch panel and the like that can be operated by the user to input various instructions and data to thecontroller 10. Theinput unit 30 also includes a microphone the user can use to vocally input various instructions and information. Theinput unit 30 has aselector 31 as a functional constituent. Theselector 31 is responsive to a selection operation by the user for selecting a single operation from among multiple operations stored in the controller 10 (a memory unit 15 thereof). - The
display unit 40 includes a monitor responsive to instructions from thecontroller 10 for informing the user of various information. Thedisplay unit 40 can, for example, display user actual swing motion (actual motion), desired swing motion (desired motion), degree of difference between actual motion and desired motion (attainment gap versus desired motion), and so forth. Thedisplay unit 40 can also be adapted to guide the user in operating theinput unit 30 by, for example, showing a list operations selectable using theselector 31. Although not illustrated in the drawings, a speaker can be connected to thecontroller 10 for vocally announcing information. - The
controller 10 has a computer comprising a CPU orother computing unit 10A, amemory unit 10B including ROM, RAM and the like, and other peripheral circuits. Thecomputing unit 10A comprises asetting portion 11, a calculatingportion 12 and anoutputting portion 13 as functional constituents. Optionally, some functions of thecontroller 10 can be shared among multiple intercommunicating controllers. - Multiple desired motions are stored in the
controller 10 in advance. These desired motions include swing motions of professional golfer A, professional golfer B, and a number of other professional golfers. These desired motions can include various different swing motions to be recommended in accordance with attributes of the user including, for example, gender, age, and golf skill level. Swing motions directed to increasing ball flight distance, curing hook or slice, and other such purposes can also be included among the desired motions. Thecontroller 10 can be adapted to acquire desired motions from external servers and the like for storage in thememory unit 10B. - The setting
portion 11 sets a desired motion selected by the user using theselector 31 as a final desired motion. For example, it sets a swing motion of professional golfer A or professional golfer B as the final swing motion. In addition, the settingportion 11 sets one or more motion steps as intermediate desired motions (phases) up to the final swing motion. The intermediate desired motions are lower skill level motions than the final desired motion. -
FIG. 3 is a diagram showing an example of desired motions set by the settingportion 11. In the example ofFIG. 3 , a final desired motion and two intermediate motion phases (first intermediate desired motion and second intermediate desired motion) are set. Defining proficiency of the final desired motion as 100%, the first intermediate desired motion is set at a considerably lower proficiency of α1 (e.g., 30%) and the second intermediate desired motion is set at a somewhat less lower proficiency of α2 (e.g., 60%). Before setting the desired motion to the final desired motion, the settingportion 11 sets proficiencies α1 and α2 of intermediate desired motions predetermined in accordance with difference between final desired motion and user actual motion, i.e. in accordance with attainment degree gap between actual motion and final desired motion. - The calculating
portion 12 ofFIG. 2 calculates degree of difference between user actual motion detected by thedetectors 20 and desired motion set by the settingportion 11. For example, it calculates degree of difference regarding swing motion aspects such as trajectory, speed and timing. Specifically the calculatingportion 12 calculates degree β(%) actual motion attainment with respect to desired motion defined as 100% attainment. - The outputting
portion 13 sends the electrode pads 1 a control signals based on attainment degree β calculated by the calculatingportion 12. In other words, the outputtingportion 13 sends the electrode pads 1 a motion correction control signals for improving user actual motions toward desired motions, e.g., larger electric signals in proportion as the attainment degree β is smaller. The outputtingportion 13 also sends thedisplay unit 40 control signals to display desired motion attainment degree β and other information on thedisplay unit 40. -
FIG. 4 is a flowchart showing an example of processing performed by thecomputing unit 10A in accordance with a program loaded in thememory unit 10B in advance, particularly an example of processing related to control of the electrode pads 1 a. The processing shown in this flowchart is started, for example, when the user operates a start switch or the like of theinput unit 30 after selecting the final desired motion through theselector 31. - First, in S1 (S: processing Step), initial actual motion of the user detected by the
detectors 20 is read. Next, in S2, initial actual motion and actual motion attainment degree β with respect to the final desired motion selected in the selector 31 (initial attainment degree) are calculated, and initial desired motion is set in accordance with the calculated initial attainment degree. For example, a target value of attainment degree with respect to the desired motion, namely, a target attainment degree βa (e.g., 90%), is defined in advance, and the desired motion is set in accordance with the size of the attainment degree β and target attainment degree βa. In the example ofFIG. 3 , initial desired motion is set as first intermediate desired motion when initial attainment degree β is less than α1 ×βa, as second intermediate desired motion when initial attainment degree β is equal to or greater than α1 ×βa and less than α2 ×βa, and as final actual motion when initial attainment degree β is equal to or greater than α2×βa. Optionally, value of target attainment degree βa can be changed every desired motion step rather than being set at a fixed value. - In S2, desired motion is upgraded until desired motion reaches final desired motion. For example, when first intermediate desired motion is set as initial desired motion in first processing run of S2, second intermediate desired motion is set as desired motion in following processing run of S2, and final desired motion is set in next following processing run of S2.
- In step S3, user actual motion detected by the
detectors 20 is read. Next, in S4, degree of difference between detected swing motion and desired motion, i.e., attainment degree β of actual motion with respect to desired motion (intermediate desired motion or final desired motion), is calculated. Next, in S5, whether calculated attainment degree β is equal to or greater than target attainment degree βa is determined. When the result in S5 is NO, the program goes to S6. - In S6, motion correction processing for correcting user swing motion is performed. Specifically, during user swing motion, properly timed control signals matched to attainment degree β are output to electrode pads 1 a at selected locations. For example, electric signals larger in proportion as attainment degree is smaller are output to selected electrode pads 1 a so as to stimulate muscle movements that improve user actual motion toward desired motion. Upon completion of motion correction processing, the program returns to S3 to repeat the aforesaid processing.
- On the other hand, when the result in S5 YES, the program goes to S7 to determine whether the desired motion set in S2 is the final desired motion, i.e., whether user actual motion attainment degree β (percent) is equal to or greater than target attainment degree βa and has reached the desired motion proficiency (100%). When the result in S7 is NO, the program returns to S2 to set a new desired motion. For example, when the immediately preceding desired motion was the first intermediate desired motion of
FIG. 3 , the second intermediate desired motion, and when it was the second intermediate desired motion ofFIG. 3 , the final desired motion, is set as the new desired motion. When the result in S7 is YES, the processing is terminated. - Main operations of the motion correction apparatus according to the present embodiment are concretely explained in the following.
FIG. 5 is a diagram showing an example of user proficiency progress over time. As shown inFIG. 5 , where level (proficiency) of initial user swing motion detected by thedetectors 20 at initial time t0 is α0 (point P0), first intermediate desired motion is set as the desired motion (S2). Motion correction processing is then performed in accordance with degree of user's actual motion attainment with respect to the first intermediate desired motion so as to improve user actual motion toward the first intermediate desired motion (S6). - As the user's swing motion proficiency increases over time and actual motion attainment degree β with respect to the first intermediate desired motion (proficiency α1) reaches or exceeds target attainment degree βa (e.g., 90%) (point P1) at time t1, i.e., when user proficiency approaches α1 to within a predetermined degree, a new desired motion (second intermediate desired motion) is set (S5→S7→S2). Motion correction processing is then performed in accordance with degree of user' s actual motion attainment with respect to the second intermediate desired motion so as to improve user actual motion toward the second intermediate desired motion (S6).
- As actual motion attainment degree β with respect to the second intermediate desired motion (proficiency level α2) increases with further passage of time to reach or exceed target attainment degree βa (point P2) at time t2, another new desired motion (final desired motion) is set. Motion correction processing is then performed in accordance with degree of user's actual motion attainment with respect to the final desired motion so as to improve user actual motion toward the final desired motion. When user actual motion attainment degree β reaches or exceeds target attainment degree βa and degree of user's swing motion increases to substantially 100% (point P3) at time t3, motion correction processing is terminated.
- Owing to the adoption of a configuration that gradually increases desired motion level in this way, divergence between actual motion and desired motion can be constantly maintained within a predetermined range. As a result, user swing motion can be easily and efficiently improved by motion correction performed by operating the electrode pads 1 a with minimum burden on the user.
- The present embodiment can achieve advantages and effects such as the following:
- (1) The
motion correction apparatus 100 includes: the settingportion 11 for setting desired golf swing motion; thedetectors 20 for detecting user swing motion; the equipment 1 (electrode pads 1 a) for correcting user motion by applying electrical stimuli to the body of the user; and the outputtingportion 13 for outputting control signals to the electrode pads 1 a in accordance with user actual motion attainment with respect to desired motion so as to improve actual motion detected by thedetectors 20 toward desired motion (FIG. 2 ). Desired motion includes final desired motion and intermediate desired motion set in steps up to final desired motion (first intermediate desired motion and second intermediate desired motion) (FIG. 3 ). Owing to adoption of such a configuration that operates theequipment 1 to apply electrical stimuli to the user's body, sets stepwise intermediate desired motions up to final desired motion, and gradually increases desired motion level, user swing motion proficiency can be simply and efficiently improved. - (2) The outputting
portion 13 first outputs control signals to the electrode pads la in accordance with actual motion attainment degree β with respect to intermediate desired motion so as to improve user motion detected by thedetectors 20 toward intermediate desired motion. Next, when actual motion attainment degree β with respect to intermediate desired motion reaches or exceeds target attainment degree βa, the outputtingportion 13 outputs control signals to the electrode pads 1 a in accordance with actual motion attainment degree β with respect to final desired motion so as to improve actual motion detected by thedetectors 20 toward final desired motion. By gradually increasing desired motion level in this manner, user swing motion can be gradually and efficiently upgraded to final desired motion. - (3) The
motion correction apparatus 100 additionally includes theselector 31 for selecting one among multiple final desired motions in response to an instruction from the user (FIG. 2 ). The settingportion 11 implements the final desired motion selected by theselector 31. The outputtingportion 13 outputs control signals to the electrode pads 1 a so as to induce the user to improve actual motion detected by thedetectors 20 toward the final desired motion set by the settingportion 11. Since the user is therefore able to correct swing motion toward a final desired motion he or she prefers among multiple final desired motions, the user enjoys a high degree of satisfaction. If swing motions of professional golfer A and professional golfer B, for example, are included among candidate swing motions selectable by the user, the user can easily master swing motions of a favorite professional golfer. - (4) The electrode pads 1 a are incorporated in the
equipment 1 worn on the user's body, and the outputtingportion 13 outputs control signals to the electrode pads la in accordance with actual motion attainment degree β with respect to the desired motion. The application of electrical stimuli to the user's body in accordance with attainment degree β in this manner enables easy correction of the user's swing motion. - (5) The motion correction method includes the steps of setting desired motion (S2), detecting user actual motion relative to desired motion (S3), and correcting user motion by applying external electrical stimuli to the body of the user in accordance with user actual motion attainment with respect to desired motion and thereby improve detected actual motion toward desired motion (S6). Desired motion includes final desired motion and intermediate desired motion set in steps up to final desired motion. This enables easy and efficient improvement of improvement of user swing motion proficiency.
- Various modifications of the aforesaid embodiment are possible. One example is explained in the following.
FIG. 6 is a diagram showing a modification of the embodiment ofFIG. 1 . InFIG. 6 ,equipment 3 for correcting walking motion is fitted on a user's body (lower body, for example). Thisequipment 3 incorporates, for example,multiple electrode pads 3 a (only one shown) at positions corresponding to muscles most strongly affecting walking motion, and properly timed electrical stimuli are applied through theelectrode pads 3 a to muscles at certain positions. As a result, user walking motion can be corrected. Optionally, theequipment 2 can be worn on the user's head and used to correct walking motions. - Motions that can be corrected by the motion correction apparatus are not limited to those mentioned above. The equipment fitted on the user's body or brain is therefore not limited to that mentioned above. In other words, the
equipment 1 to 3 can be of any configuration insofar it is adapted to correct user motion by applying external stimuli to the user's body or brain. The aforesaid embodiment is adapted to store desired golf swing motions in thememory unit 10B, but target motions of other types can also be stored in thememory unit 10B. The aforesaid embodiment is adapted to detect user swing motion using thedetectors 20, but the detection unit can be suitably modified in accordance with target motion. The configuration of the outputtingportion 13 is not limited to the aforesaid insofar as it enables output of control signals to the motion correction unit in accordance with user actual motion attainment with respect to target motion and thereby improves actual motion detected by the detection unit toward target motion. - In the aforesaid embodiment (
FIG. 3 ), the settingportion 11 is adapted to set the final desired motion, first intermediate desired motion and second intermediate desired motion, but insofar as a stepwise approach to final target motion is established, it can be adapted to set a single intermediate target motion or three or more intermediate target motions. Moreover, when user initial motion level is already near final desired motion, intermediate target motion can be skipped and final target motion set from the start. - The aforesaid embodiment is adapted to use the
motion correction apparatus 100 to correct golf swing motion, but the motion correction apparatus of this invention can be similarly applied to, inter alia, various cases of motion correction of sports other than golf as well as of motions other than sports (e.g., rehabilitation motion). - The above embodiment can be combined as desired with one or more of the above modifications. The modifications can also be combined with one another.
- According to the present invention, it is possible to easily and effectively correct user motion.
- Above, while the present invention has been described with reference to the preferred embodiments thereof, it will be understood, by those skilled in the art, that various changes and modifications may be made thereto without departing from the scope of the appended claims.
Claims (15)
1. A motion correction apparatus, comprising:
a detecting unit configured to detect an actual motion of a user corresponding to a target motion;
a motion correcting unit configured to correct user motion by applying an external stimuli to a body or a brain of the user; and
a processor and a memory,
the processor configured to set a target motion, and
the processor configured to output control signals to the motion correcting unit based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion, wherein
the target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
2. The motion correction apparatus according to claim 1 , wherein
the processor is configured to output control signals to the motion correcting unit based on the attainment level of the actual motion detected by the detecting unit to the intermediate target motion so that the actual motion approaches to the intermediate target motion, and configured to output, when the attainment level of the actual motion to the intermediate target motion is equal to or greater than a predetermined value, control signals to the motion correcting unit based on the attainment level of the actual motion detected by the detecting unit to the final target motion so that the actual motion approaches to the final target motion.
3. The motion correction apparatus according to claim 2 , further comprising:
a selecting unit configured to select one of a plurality of the final target motion in response to a command from the user, wherein
the processor is configured to set the final target motion selected by the selecting unit, wherein
the processor is configured to output the control signals to the motion correcting unit so that the actual motion detected by the detecting unit approaches to the final target motion.
4. The motion correction apparatus according to claim 1 , wherein
the motion correcting unit is further configured to be worn on the body of the user, and configured as an equipment having an electrode or an actuator, wherein
the processor is configured to output control signals to the electrode or the actuator based on the attainment level of the actual motion to the target motion.
5. The motion correction apparatus according to claim 4 , wherein
the processor is configured to output electric control signals larger in proportion as the attainment level of the actual motion to the target motion is lower.
6. The motion correction apparatus according to claim 1 , further comprising:
a display configured to display the attainment level of the actual motion to the target motion.
7. The motion correction apparatus according to claim 1 , wherein
the processor is configured to set an initial target motion based on an initial attainment level of the actual motion detected by the detecting unit to the final target motion.
8. A motion correction method, comprising:
setting a target motion;
detecting an actual motion of a user corresponding to the target motion; and
correcting user motion by applying an external stimuli to a body or a brain of the user based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion, wherein
the target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
9. A motion correction apparatus, comprising:
a setting portion configured to set a target motion;
a detecting unit configured to detect an actual motion of a user corresponding to the target motion;
a motion correcting unit configured to correct user motion by applying an external stimuli to a body or a brain of the user; and
an outputting unit configured to output control signals to the motion correcting unit based on an attainment level of the actual motion detected by the detecting unit to the target motion so that the actual motion approaches to the target motion, wherein
the target motion includes a final target motion and a single or a plurality of intermediate target motion set in steps up to the final target motion.
10. The motion correction apparatus according to claim 9 , wherein
the outputting unit is further configured to output control signals to the motion correcting unit based on the attainment level of the actual motion detected by the detecting unit to the intermediate target motion so that the actual motion approaches to the intermediate target motion, and configured to output, when the attainment level of the actual motion to the intermediate target motion is equal to or greater than a predetermined value, control signals to the motion correcting unit based on the attainment level of the actual motion detected by the detecting unit to the final target motion so that the actual motion approaches to the final target motion.
11. The motion correction apparatus according to claim 10 , further comprising:
a selecting unit configured to select one of a plurality of the final target motion in response to a command from the user, wherein
the setting portion is further configured to set the final target motion selected by the selecting unit, wherein
the outputting unit is further configured to output the control signals to the motion correcting unit so that the actual motion detected by the detecting unit approaches to the final target motion set by the setting portion.
12. The motion correction apparatus according to claim 9 , wherein
the motion correcting unit is further configured to be worn on the body of the user, and configured as an equipment having an electrode or an actuator, wherein
the outputting unit is further configured to output control signals to the electrode or the actuator based on the attainment level of the actual motion to the target motion.
13. The motion correction apparatus according to claim 12 , wherein
the outputting unit is further configured to output electric control signals larger in proportion as the attainment level of the actual motion to the target motion is lower.
14. The motion correction apparatus according to claim 9 , further comprising:
a display configured to display the attainment level of the actual motion to the target motion.
15. The motion correction apparatus according to claim 9 , wherein
the setting portion is further configured to set an initial target motion based on an initial attainment level of the actual motion detected by the detecting unit to the final target motion.
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JP2017185124A JP2019058330A (en) | 2017-09-26 | 2017-09-26 | Motion correcting apparatus and motion correcting method |
JP2017-185124 | 2017-09-26 |
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CN111672087B (en) * | 2020-06-13 | 2021-05-07 | 曲灏辰 | Muscle vibration detection system and detection method suitable for street dance |
WO2022097196A1 (en) * | 2020-11-04 | 2022-05-12 | 日本電信電話株式会社 | Temporary target motion determination device, temporary target motion determination method, and program |
KR102393241B1 (en) * | 2022-03-30 | 2022-05-02 | 최준석 | training method and computer readable recording medium with program therefor. |
WO2024020606A1 (en) * | 2022-07-21 | 2024-01-25 | Opperman Johannes Dawid | A displacement monitoring system for golf swing training |
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