CN1991371B - Sensing device for detecting linear and arc motion - Google Patents
Sensing device for detecting linear and arc motion Download PDFInfo
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- CN1991371B CN1991371B CN 200510135248 CN200510135248A CN1991371B CN 1991371 B CN1991371 B CN 1991371B CN 200510135248 CN200510135248 CN 200510135248 CN 200510135248 A CN200510135248 A CN 200510135248A CN 1991371 B CN1991371 B CN 1991371B
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Abstract
本发明提出一种用于侦测直线与弧线运动的感测装置，其佩戴于人体上，可用来侦测人体的特定动作，该感测装置包括至少一双轴加速度传感器、一讯号处理单元以及一判断单元，其中该至少一双轴加速度传感器用于侦测一第一方向的加速度及一第二方向的加速度，并对应输出一感测讯号；该讯号处理单元用于处理该每一感测讯号以提供一加速度信息；该判断单元是根据该加速度信息来判断人体的直线与弧线运动。
The present invention provides a sensing device for detecting linear and arc motions, which is worn on a human body and can be used to detect specific movements of the human body. The sensing device includes at least one biaxial acceleration sensor, a signal processing unit, and a judgment unit, wherein the at least one biaxial acceleration sensor is used to detect acceleration in a first direction and acceleration in a second direction, and output a sensing signal accordingly; the signal processing unit is used to process each sensing signal to provide acceleration information; and the judgment unit judges the linear and arc motions of the human body according to the acceleration information.
Description
Technical field
The present invention relates to a kind of sensing apparatus that is used for detecting straight line and movement in a curve, particularly a kind of double-axel acceleration sensor that utilizes is with the rectilinear motion of judgement human body and the sensing apparatus of movement in a curve.
Background technology
In recent years, the correlation technique of making the micro-inertia sensing assembly with micro electronmechanical processing procedure is quite ripe, and the size of sensing component can be dwindled significantly, therefore, comes the variation of sensing human action to become a kind of trend of development with the micro-inertia sensing assembly.Generally when describing the human body rectilinear motion, typically use accelerometer, and when describing the human body camber line or rotatablely moving, then be to use gyroscope.
U.S. Pat 6183365 these cases have illustrated with single-axis accelerometer wears example to wrist, when the user goes out straight punch, single-axis accelerometer can detect the acceleration of fist direction, and maximal value and minimum value on the accelerometer are shown in inspection, judge straight punch state and go out the power size of straight punch, yet it only can obtain the straight-line single axial information of human body, if go out the fist state is to collude the fist state, when just having added the human body movement in a curve simultaneously, just have to use gyroscope to come the angular velocity size of sensing rotation direction.
Therefore, when describing the human body limb action, if want the sensing rectilinear motion then to need to use accelerometer with micro-inertia sensor; If want the sensing camber line or rotatablely move then to need to use gyroscope.At present, accelerometer and gyroscope also can't merge on processing procedure to be made, if want sensing human body straight line and movement in a curve simultaneously, be bound to such an extent that degree of will speed up meter uses with gyroscope, from the angle that signal is handled, the signal kind become many can make to calculate becomes complicated, the consideration from the cost, it is expensive that price can become, and prior art is for the means of this problem and unexposed any solution.
In view of this, the present invention proposes a kind of sensing apparatus in order to detecting straight line and movement in a curve, uses a double-axel acceleration sensor to detect human body straight line and movement in a curve simultaneously merely, and must not use other inertia sensing assemblies such as gyroscope.
Summary of the invention
Fundamental purpose of the present invention is to use a double-axel acceleration sensor detecting human body straight line and movement in a curve simultaneously, and must not use gyroscope to describe the human body movement in a curve in addition.
Secondary objective of the present invention is that the relevant information with human motion state is sent to various peripheral electronic installations in wireless or wired mode, to reach the entertainment effect of multimedia interaction.
For achieving the above object, the present invention proposes a kind of sensing apparatus that is used for detecting straight line and movement in a curve, it is worn on human body, can be used to detect the specific action of human body, and this sensing apparatus comprises at least one double-axel acceleration sensor, a signal processing unit and a judging unit.Wherein this at least one double-axel acceleration sensor is disposed on the human body, is used for detecting the space about the acceleration of a first direction and the acceleration of a second direction, and corresponding output one sensing signal; This signal processing unit is used to handle this each sensing signal so that an acceleration information to be provided; This judging unit judges that according to the phase differential of the acceleration information of this first direction acceleration and second direction the pattern of a motion state is rectilinear motion or movement in a curve.
Preferably, this signal processing unit more comprises an original state positioning unit and a data storage element, and wherein this original state positioning unit is used to note down the acceleration information of human body initial rest position; This data storage element is used to store the acceleration information after this original state positioning unit is proofreaied and correct.At this moment, this judging unit then can be judged the pattern of this motion state according to the acceleration information after this correction, so that can judge certain specific action of human body more accurately, its motion state is to belong to rectilinear motion or movement in a curve.
This acceleration information then include with the accekeration of this first direction and time be the graph of a relation of coordinate and be the graph of a relation of coordinate with the accekeration and time of this second direction, wherein this first direction is vertical mutually with this second direction.See through above-mentioned graph of a relation, the user can obtain the accekeration of each time point, and looks its demand, calculates required velocity amplitude and displacement.
Again, this sensing apparatus can be provided with a display unit, as liquid crystal panel etc., so that the relevant information of motion state is presented on the screen.This sensing apparatus also can be provided with a communication transmission unit, in wireless or wired mode the relevant information of motion state is sent to various peripheral electronic installations, to reach the entertainment effect of multimedia interaction.
Vertical closing stated, and the present invention proposes a kind of sensing apparatus in order to detecting straight line and movement in a curve, and it utilizes the acceleration sensing meter can describe the straight line and the movement in a curve of human body simultaneously, and can wear to human body on one's body everywhere, not only set up simple and easyly, price is also comparatively cheap.
Description of drawings
Fig. 1 is the calcspar of preferred embodiment of the present invention.
Fig. 2 A-Fig. 2 E goes out the movement state diagram of straight punch in the sensing human body for preferred embodiment of the present invention.
Fig. 3 A-Fig. 3 E goes out to collude the movement state diagram of fist in the sensing human body for preferred embodiment of the present invention.
Fig. 4 A for preferred embodiment of the present invention in straight punch action and collude the acceleration diagram of fist action.
Fig. 4 B, Fig. 4 C are for showing that preferred embodiment of the present invention is in the straight punch action and collude the fist action graph of a relation of tangential acceleration and centripetal acceleration down.
Description of reference numerals: 100 sensing apparatus; 110 double-axel acceleration sensors; 115 sensing signals; 120 signal processing units; 122 original state positioning units; 124 data storage elements; 125 have the signal of acceleration information; 130 judging units; 135 have the signal of motion state information; 137 have the signal of motion state information; 140 display units; 150 communication transmission units; 20 go out the fist direction; 22 double-axel acceleration sensors; 30 go out the fist direction; 32 double-axel acceleration sensors.
Embodiment
For further cognitive and understanding being arranged to feature of the present invention, purpose and function, conjunction with figs. describes in detail as the back now:
Please refer to Fig. 1, Fig. 1 is the calcspar of preferred embodiment of the present invention.Sensing apparatus 100 is worn on human body, can be used to detect human body straight line and movement in a curve, sensing apparatus 100 comprises a double-axel acceleration sensor 110, a signal processing unit 120, a judging unit 130, a display unit 140 and a communication transmission unit 150, and this signal processing unit 120 more comprises an original state positioning unit 122 and a data storage element 124.Wherein this double-axel acceleration sensor 110 is used to detect the acceleration of a first direction and the acceleration of a second direction, and corresponding output one sensing signal 115; This signal processing unit 120 is used to handle this sensing signal 115 so that an acceleration information to be provided; This original state positioning unit 122 is used to note down the acceleration information of human body initial rest position; This data storage element 124 is used to store the acceleration information after this original state positioning unit 122 is proofreaied and correct; This judging unit 130 is to judge the pattern of a motion state according to the signal 125 with this acceleration information, and the signal 135 and 137 that has motion state information can be sent to display unit 140 and communication transmission unit 150 respectively.
In addition, see through wireless transmission unit 150 with the relevant information of wireless or wired mode with motion state, for example wave straight punch or wave the number of times that colludes fist or the data such as calorie of consuming corresponding to shaking one's fists, be sent to various peripheral electronic installations and reach the entertainment effect of multimedia interaction, when for example the user made the action of colluding fist, other peripheral electronic installation can send the action that the corresponding user of the light or the sound is made.
The situation of error takes place when causing the detecting acceleration because human body when making action, can be subjected to the influence of gravity or inertia, so this original state positioning unit 122 can will be taken out by gravity effect initial acceleration equilibrium point, with the error of compensated acceleration value.
Please refer to Fig. 2 A-Fig. 2 E, Fig. 2 A-Fig. 2 E goes out the movement state diagram of straight punch in the sensing human body for preferred embodiment of the present invention.The action that goes out straight punch is from going out the preliminary activities before the fist, to finishing the whole action that goes out straight punch, last receive fist again and return back to the preliminary activities that next time goes out before the fist till, be divided into five states in this action that will go out straight punch, its complete circulation is in regular turn to state (2E) from state (2A), it is straight and upright fully that wherein state (2C) is expressed the arm of fist, and going out the accekeration that fist direction 20 produces a maximum this moment.If with a double-axel acceleration sensor 22 according to a
tWith a
nDirection places the wrist place, under the situation of state (2C), and a
tDirection is parallel to fist direction 20, thus can detect the accekeration parallel with going out the fist direction, so that be used for describing the rectilinear motion that human body goes out straight punch.
Please refer to Fig. 3 A-Fig. 3 E, Fig. 3 A-Fig. 3 E goes out to collude the movement state diagram of fist in the sensing human body for preferred embodiment of the present invention.The action that goes out to collude fist also can be divided into five states, its complete circulation be from state (3A) in regular turn to state (3E), wherein double-axel acceleration sensor 22 is in order to detect the maximum acceleration value on the fist direction 30, so waving arbitrary moment of colluding in the fist process, a
tDirection must be parallel at any time goes out the tangential direction of fist direction 30, detects the acceleration figure on the fist direction 30 by this, so that be used for describing the movement in a curve that human body goes out to collude fist.As for a
nThe accekeration that direction detected then can be used to describe the direction of brandishing of colluding fist, as direction between up time or direction between the inverse time.
Please refer to Fig. 4 A, Fig. 4 A for preferred embodiment of the present invention in straight punch action and collude the acceleration diagram of fist action.Solid line is partly represented a
tThe accekeration of direction, dotted line are partly represented a
nThe accekeration of direction, a when left side among the figure demonstrates straight punch
tWith a
nRelative variation relation; Right-hand part demonstrates a when colluding fist
tWith a
nRelative variation relation, in the time of from figure, can finding out straight punch, a
tWith a
nBe same-phase; When going out to collude fist, a
tWith a
nHave a phase differential P, when colluding the fist direction for counter clockwise direction, a
tPhase place can fall behind a
nPhase place; Similarly, when colluding the fist direction when being clockwise direction, a
tPhase place can take the lead a
nPhase place, the therefore situation that sees through phase-lead or fall behind can be judged the direction of movement in a curve.
Please refer to Fig. 4 B, Fig. 4 C, Fig. 4 B, Fig. 4 C show that preferred embodiment of the present invention is in the straight punch action and collude the fist action graph of a relation of tangential acceleration and centripetal acceleration down.Be on the coordinate plane of coordinate axis with tangential acceleration value and centripetal acceleration value, the shown figure of straight punch action is to present a straight line to-and-fro movement in time;
Colluding the shown figure of fist action is to present a circular motion in time, and the sense of rotation that sees through circular motion can be judged the direction of brandishing of colluding fist.
Comprehensively above-mentioned, the present invention proposes a kind of sensing apparatus in order to detecting straight line and movement in a curve, it utilizes a pair of axle acceleration sensing meter can describe the straight line and the movement in a curve of human body simultaneously, more can produce an interaction mechanism to increase entertainment effect with other peripheral electronic installation.
The above only is preferred embodiment of the present invention, can not with the scope of restriction claim of the present invention.Be that all equalizations of doing according to claim of the present invention change and modification, will do not lose main idea of the present invention place, also do not break away from spirit of the present invention and claim protection domain, the former capital should be considered as further enforcement situation of the present invention.
Claims (21)
1. a sensing apparatus that is used for detecting straight line and movement in a curve is characterized in that, comprising:
At least one double-axel acceleration sensor is worn on human body, is used for detecting the space about the acceleration of a first direction and the acceleration of a second direction, and corresponding output one sensing signal;
One signal processing unit couples this at least one double-axel acceleration sensor, is used to handle this sensing signal so that an acceleration information to be provided; And
One judging unit couples this signal processing unit, and judges that according to the phase differential of the acceleration of this first direction acceleration and second direction the pattern of a motion state is to belong to rectilinear motion or movement in a curve.
2. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that, this signal processing unit comprises an original state positioning unit, is used to note down the acceleration information of human body initial rest position.
3. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 2 is characterized in that this signal processing unit comprises a data storage element, is used to store the acceleration information after this original state positioning unit is proofreaied and correct.
4. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 3 is characterized in that, this judging unit is a pattern of judging this motion state according to the acceleration information after this correction.
5. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that this first direction is perpendicular to this second direction.
6. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that, this acceleration information comprise with the accekeration of this first direction and time be the graph of a relation of coordinate.
7. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that, this acceleration information comprise with the accekeration of this second direction and time be the graph of a relation of coordinate.
8. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that, the pattern of this motion state is straight line motion.
9. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that, the pattern of this motion state is a movement in a curve.
10. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that, comprises a display unit.
11. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that, comprises a communication transmission unit.
12. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 1 is characterized in that this sensing apparatus is worn on human body, in order to the specific action of detecting human body.
13. a sensing apparatus that is used for detecting straight line and movement in a curve is characterized in that, comprises at least one double-axel acceleration sensor, a signal processing unit and a judging unit:
Described at least one double-axel acceleration sensor is worn on human body, being used for detecting the space about the acceleration of a first direction and the acceleration of a second direction, and corresponding output one sensing signal;
Described signal processing unit couples this at least one double-axel acceleration sensor, is used to handle this sensing signal so that an acceleration information to be provided, and this signal processing unit comprises an original state positioning unit and a data storage element:
Described original state positioning unit is used to note down the initial rest position acceleration information of human body;
Described data storage element is used to store the correction post-acceleration information of this original state positioning unit;
Described judging unit couples this signal processing unit, and judges that according to the phase differential of the acceleration of this first direction acceleration and second direction after this correction the pattern of a motion state is to belong to rectilinear motion or movement in a curve.
14. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that this first direction is perpendicular to this second direction.
15. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that, this acceleration information comprise with the accekeration of this first direction and time be the graph of a relation of coordinate.
16. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that, this acceleration information comprise with the accekeration of this second direction and time be the graph of a relation of coordinate.
17. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that, the pattern of this motion state is straight line motion.
18. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that, the pattern of this motion state is a movement in a curve.
19. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that, comprises a display unit.
20. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that, comprises a communication transmission unit.
21. the sensing apparatus that is used for detecting straight line and movement in a curve as claimed in claim 13 is characterized in that this sensing apparatus is worn on human body, in order to the specific action of detecting human body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510135248 CN1991371B (en) | 2005-12-29 | 2005-12-29 | Sensing device for detecting linear and arc motion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510135248 CN1991371B (en) | 2005-12-29 | 2005-12-29 | Sensing device for detecting linear and arc motion |
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| Publication Number | Publication Date |
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| CN1991371A CN1991371A (en) | 2007-07-04 |
| CN1991371B true CN1991371B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510135248 Expired - Fee Related CN1991371B (en) | 2005-12-29 | 2005-12-29 | Sensing device for detecting linear and arc motion |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598569B (en) * | 2008-06-05 | 2011-12-07 | 财团法人工业技术研究院 | Setting the orientation identification method and its navigation device |
| CN104502622B (en) * | 2014-12-16 | 2019-06-25 | 上海斐讯数据通信技术有限公司 | A kind of object rotating speed measurement method and electronic equipment |
| CN110215215B (en) * | 2019-06-05 | 2023-01-20 | 合肥工业大学 | Grafting rehabilitation training parameter acquisition intelligent module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334464A (en) * | 2000-07-13 | 2002-02-06 | 森桑诺尔有限公司 | Detection of rotating direction |
| US20020065121A1 (en) * | 2000-11-16 | 2002-05-30 | Konami Corporation | Match-style 3D video game device and controller therefor |
| US20030167908A1 (en) * | 2000-01-11 | 2003-09-11 | Yamaha Corporation | Apparatus and method for detecting performer's motion to interactively control performance of music or the like |
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2005
- 2005-12-29 CN CN 200510135248 patent/CN1991371B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030167908A1 (en) * | 2000-01-11 | 2003-09-11 | Yamaha Corporation | Apparatus and method for detecting performer's motion to interactively control performance of music or the like |
| CN1334464A (en) * | 2000-07-13 | 2002-02-06 | 森桑诺尔有限公司 | Detection of rotating direction |
| US20020065121A1 (en) * | 2000-11-16 | 2002-05-30 | Konami Corporation | Match-style 3D video game device and controller therefor |
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| CN1991371A (en) | 2007-07-04 |
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