CN105588580A - Motion information measuring device, method and system - Google Patents

Abstract

The invention provides a motion information measuring device, method and system, and relates to the field of motion information measuring devices. According to the motion information measuring device, method and system, a wearable device capable of being worn on the human body is used for collecting three-axis acceleration for representing the wearable device in three axes of a three-dimensional system of coordinates, and sending the collected three-axis acceleration to the motion information monitoring device, the motion information measuring device starts timing and obtains timing moment information after receiving the three-axis acceleration, and motion information is worked out according to the timing moment information and the acceleration. By means of the motion information measuring device, method and system, various kinds of motion information (such as jumping height and horizontal plane motion speed) of the human body can be measured during sporting, a sporter can do physical exercise regularly or in a targeted mode according to the measured motion information, and interests and sustainability of the sporter for physical exercise can be motivated.

Description

Motion information measuring device, method and system

Technical Field

The invention relates to the field of motion information measuring equipment, in particular to a motion information measuring device, method and system.

Background

With the development of society and the improvement of living standard, more and more people pay attention to their physical health and often perform physical exercises such as basketball, football, running and the like. During the process of performing physical exercise, the exerciser cannot know the motion information of the exerciser in the process of moving in real time, and the motion information includes: the individual's bounce height when playing basketball, the maximum running speed when running, the amount of exercise, the explosive force of muscles, the ability to turn around, etc. and the regular or targeted physical exercise cannot be performed according to the exercise information.

Disclosure of Invention

In view of the above, embodiments of the present invention provide a motion information measuring apparatus, method and system.

In a first aspect, an embodiment of the present invention provides a motion information measuring apparatus, where the apparatus includes:

the acceleration receiving module is used for obtaining acceleration sent by wearable equipment, and the acceleration is used for representing three-axis acceleration of the wearable equipment along three axial directions of a three-dimensional coordinate system;

and the motion information calculation module is used for starting timing after receiving the acceleration, obtaining timing moment information and calculating motion information according to the timing moment information and the acceleration.

In a second aspect, an embodiment of the present invention further provides a motion information measuring method, where the method includes:

obtaining acceleration sent by wearable equipment, wherein the acceleration is used for representing three-axis acceleration of the wearable equipment along three axial directions of a three-dimensional coordinate system;

and starting timing after receiving the acceleration, obtaining timing time information, and calculating motion information according to the timing time information and the acceleration.

In a third aspect, an embodiment of the present invention further provides a motion information measuring system,

the system comprises a wearable device and a motion information measuring device, wherein:

the wearable equipment is used for acquiring the acceleration of the wearable equipment and sending the acceleration to the motion information measuring device, and the acceleration is used for representing the three-axis acceleration of the wearable equipment along three axial directions of a three-dimensional coordinate system;

the motion information measuring device comprises an acceleration receiving module and a motion information calculating module, wherein the acceleration receiving module is used for receiving acceleration sent by the wearable equipment; the motion information calculation module is used for starting timing after receiving the acceleration and calculating motion information according to timing time information and the acceleration.

Compared with the prior art, the movement information measuring device, the movement information measuring method and the movement information measuring system provided by the embodiment of the invention can utilize a wearable device worn on a human body to acquire three-axis acceleration for representing the wearable device along three axial directions of a three-dimensional coordinate system, and send the acquired three-axis acceleration to the movement information measuring device, the movement information measuring device starts timing after receiving the three-axis acceleration and obtains timing time information, and movement information is calculated according to the timing time information and the acceleration. The sports information measuring device, method and system can measure various types of sports information (such as bounce height, horizontal plane movement speed and the like) of a human body during sports, an athlete can perform regular or targeted sports according to the measured sports information, and the interest and sustainability of the athlete in the sports can be stimulated.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic diagram of a wearable device interacting with a server according to a preferred embodiment of the present invention.

Fig. 2 is a block diagram of a server according to a preferred embodiment of the present invention.

Fig. 3 is a functional block diagram of a motion information measuring device according to a preferred embodiment of the present invention.

Fig. 4 is a flowchart of a motion information measuring method according to a preferred embodiment of the invention.

Fig. 5 is an external view of a wearable device of a motion information measuring system according to a preferred embodiment of the present invention.

Description of the main element symbols: the system comprises a motion information measuring device 101, a server 102, a network 103, a memory 104, a storage controller 105, a peripheral interface 106, a processor 107 and a wearable device 108.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

Fig. 1 is a schematic diagram illustrating the interaction between a server 102 and a wearable device 108 according to a preferred embodiment of the present invention. The server 102 is communicatively coupled to one or more wearable devices 108 via a network 103 for data communication or interaction. The server 102 may be a web server, a database server, or the like.

Fig. 2 is a block diagram of the server 102. The server 102 (or local terminal) includes a motion information measuring device 101, a memory 104, a storage controller 105, a processor 107, and a peripheral interface 106.

The memory 104, the memory controller 105, the processor 107, and the peripheral interface 106 are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The motion information measurement system/device includes at least one software function module that may be stored in the memory 104 in the form of software or firmware (firmware) or solidified in an Operating System (OS) of the server. The processor 107 is used to execute executable modules stored in the memory 104, such as software functional modules or computer programs comprised by the motion information measurement system/apparatus.

The memory 104 may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a programmable read-only memory (PROM), an erasable read-only memory (EPROM), an electrically erasable read-only memory (EEPROM), and the like. The memory 104 is used for storing a program, and the processor 107 executes the program after receiving an execution instruction, and the method executed by the server 102 defined by the flow process disclosed in any of the foregoing embodiments of the present invention may be applied to the processor 107, or implemented by the processor 107.

The processor 107 may be an integrated circuit chip having signal processing capabilities. The processor 107 may be a general-purpose processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. The general purpose processor 107 may be a microprocessor or the processor 107 may be any conventional processor or the like.

The peripheral interface 106 couples various input/output devices to the processor 107 and to the memory 104. In some embodiments, the peripheral interface 106, the processor 107, and the memory controller 105 may be implemented in a single chip. In other examples, they may be implemented separately from the individual chips.

Referring to fig. 3, which is a functional module diagram of a motion information measuring apparatus 101 according to a preferred embodiment of the present invention, the motion information measuring apparatus 101 includes an acceleration receiving module 301, a motion information calculating module 302, and a maximum value obtaining module 303.

The acceleration receiving module 301 is configured to obtain an acceleration sent by a wearable device 108, where the acceleration is used to represent three-axis accelerations of the wearable device along three axes of a three-dimensional coordinate system. The acceleration may also be obtained after conversion using an angular acceleration obtained first.

The wearable device 108 may be any device that can be worn on the body of a person, embedded with an inertial navigation chip and a power supply battery. For example, the bracelet, pendant, waistband may even be a solid piece of material that is attached to the upper or garment, not to be so limited.

The inertial navigation chip can convert the acceleration generated by the human body when the human body moves into the three-axis acceleration of the wearable device along three axial directions of a three-dimensional coordinate system, and the specific conversion process is as follows:

the inertial navigation chip obtains three-axis acceleration X, Y, Z of the human body in three axial directions of an inertial reference coordinate system when the human body moves, and utilizes a conversion formula of a known coordinate system:

$\left(\begin{array}{c}X\\ Y\\ Z\end{array}\right)=\left(\begin{array}{ccc}{a}_{11}& a_{12}& a_{13}\\ a_{21}& a_{22}& a_{23}\\ a_{31}& a_{32}& a_{33}\end{array}\right)\left(\begin{array}{c}{X}^{\′}\\ Y^{\′}\\ Z^{\′}\end{array}\right)$

the three-axis acceleration X ', Y ' and Z ' of the wearable device along three axial directions of a three-dimensional coordinate system can be obtained.

Wherein,the transformation matrix is obtained by calculation of Euler angles, and the calculation formula of the Euler angles and the rotation matrix is known as follows:

$C=\left(\begin{array}{ccc}{\mathrm{cosk}}_z{\mathrm{cosk}}_y& {\mathrm{sink}}_z{\mathrm{cosk}}_x+{\mathrm{cosk}}_z{\mathrm{sink}}_y{\mathrm{sink}}_x& {\mathrm{sink}}_z{\mathrm{sink}}_x-{\mathrm{cosk}}_z{\mathrm{sink}}_y{\mathrm{cosk}}_x\\ -{\mathrm{sink}}_z{\mathrm{cosk}}_y& {\mathrm{cosk}}_z{\mathrm{cosk}}_x+{\mathrm{sink}}_z{\mathrm{sink}}_y{\mathrm{sink}}_x& {\mathrm{cosk}}_z{\mathrm{sink}}_x-{\mathrm{sink}}_z{\mathrm{sink}}_y{\mathrm{cosk}}_x\\ {\mathrm{sink}}_y& -{\mathrm{cosk}}_y{\mathrm{sink}}_x& {\mathrm{cosk}}_y{\mathrm{cosk}}_x\end{array}\right)$

wherein k is_xIs the middle pitch angle k of Euler angle_yIs the yaw angle, k, in the Euler angle_zIs the roll angle in Euler angle, and C is the transformation matrix.

The motion information calculation module 302 is configured to start timing after receiving the acceleration, obtain timing information, and calculate motion information according to the timing information and the acceleration.

In this embodiment, the exercise information may be exercise height information, horizontal plane exercise speed information, exercise amount measurement, muscle explosive force, turning ability evaluation value, and other exercise information.

When the motion amount information is motion height information, the motion information calculation module 302 is configured to obtain, according to the acceleration, a component a of the acceleration in the three-dimensional coordinate system along the Z axis_zFormula of basisCalculating the motion height information S of each timing moment_ZWherein, t₀At the moment of take-off, t₁To calculate the time of day, S_ZIs t₁The distance of the wearable device 108 from the takeoff point at the moment.

For example, when a sporter plays basketball, the wearable device 108 bound to the body transmits the converted three-axis accelerations along three axes of a three-dimensional coordinate system to the acceleration receiving module 301, when the sporter starts jumping, the acceleration is generated in the vertical direction, and the movement information calculating module 302 starts timing, and can perform timing according to the three-axis accelerationsCalculating the motion height information S of each timing moment_Z。

When the motion amount information is the horizontal plane motion speedWhen the degree information is obtained, the motion information calculation module 302 is configured to obtain a component a of the acceleration along the X-axis in the three-dimensional coordinate system according to the acceleration_xAnd component a of the Y axis_yFormula of basisCalculating horizontal plane movement speed information V of the wearable device 108 at each timing moment, wherein t₀As the moment of onset of movement, t₁To calculate the time of day.

For example, when the exerciser runs, the wearing device 108 bound to the body transmits the converted three-axis accelerations along three axes of a three-dimensional coordinate system to the acceleration receiving module 301, and the exercise information calculating module 302 starts to count the time according to the three-axis accelerationsAnd calculating horizontal plane movement speed information V at each timing moment.

When the exercise amount information is exercise amount measurement, the exercise information calculation module 302 is configured to obtain an X-axis component a of the acceleration in a three-dimensional coordinate system according to the acceleration_xY-axis component a_yAnd a Z-axis component a_zFormula of basis

$W={\∫}_{t_o}^{t_1}\left(\mathrm{\α}\right|{\∫}_{t_0}^{t_1}(\sqrt[2]{{a_x}^2+{a^2}_{y}t}+\sqrt[2]{{a_x}^2+{a^2}_{y}1/2t^2)dt}+\mathrm{\β}{\∫}_{t_0}^{t_1}(a_{z}t+1/2a_z{t}^{2}dt)dt$

Calculating the amount of exercise W at each timing moment, wherein α is the weight of the amount of exercise and the distance of the exercise in the horizontal direction, β is the weight of the amount of high exercise, and t is the weight of the amount of high exercise₀As the moment of onset of movement, t₁To calculate the time of day.

Preferably, the maximum value obtaining module 303 is configured to obtain a maximum value of the motion information according to the calculated motion information at each timing time.

For example, when the motion amount information is motion height information, the maximum value obtaining module 303 is configured to obtain the motion height information S according to the calculated motion height information S at each timing time_ZObtaining S_ZMaximum value of (1), S_ZI.e. the maximum bounce height value of the sporter.

For another example, when the exercise amount information is horizontal plane movement speed information, the maximum value obtaining module 303 is configured to obtain a maximum value of V according to the calculated horizontal plane movement speed information V at each timing time, where V is a maximum running speed value of the athlete.

Of course, the exercise information calculation module 302 may also be used to calculate exercise amount information such as muscle burst force, turning ability evaluation value, and the like, which will not be described herein.

In specific implementation, the motion information measuring device 101 may be operated in a server of an intelligent terminal, and the wearable device 108 and the intelligent terminal are connected in communication (for example, connected via bluetooth or WIFI), and the intelligent terminal may be a mobile phone or a tablet computer. The calculated motion information is transmitted to the display screen of the intelligent terminal for display in the motion information measuring device 101, so that a sporter can check the motion amount information through the display screen of the intelligent terminal at any time.

Please refer to fig. 4, which is a flowchart illustrating a motion information measuring method according to a preferred embodiment of the invention. It should be noted that the basic principle and the generated technical effects of the motion information measuring method provided by the embodiment are the same as those of the embodiment, and for the sake of brief description, no part of the present embodiment is mentioned, and reference may be made to the corresponding contents in the embodiment. The specific flow shown in fig. 4 will be described in detail below.

Step S401: an acceleration transmitted by a wearable device 108 is obtained, and the acceleration is used for representing three-axis accelerations of the wearable device along three axes of a three-dimensional coordinate system.

The three-axis acceleration along three axial directions of a three-dimensional coordinate system sent by the wearable device 108 can be obtained through the acceleration receiving module 301 of the motion information measuring device 101.

Step S402: and starting timing after receiving the acceleration, obtaining timing time information, and calculating motion information according to the timing time information and the acceleration.

The motion information calculation module 302 of the motion information measurement device 101 may start timing after obtaining the acceleration, obtain timing information, and calculate the motion information according to the timing information and the acceleration.

When the motion information is motion height information, the step S402 includes:

starting timing after receiving the acceleration, and obtaining a component a of the acceleration in a Z axis in a three-dimensional coordinate system according to the acceleration_z。

Formula of basisCalculating the motion height information S of each timing moment_ZWherein, t₀At the moment of take-off, t₁To calculate the time of day, S_ZIs t₁The distance of the wearable device 108 from the takeoff point at the moment.

When the motion information is horizontal plane motion velocity information, the step S402 includes:

starting timing after receiving the acceleration, and obtaining the component a of the acceleration in the X axis of the three-dimensional coordinate system according to the acceleration_xAnd component a of the Y axis_y。

Formula of basisCalculating horizontal plane movement speed information V of the wearable device 108 at each timing moment, wherein t₀As the moment of onset of movement, t₁To calculate the time of day.

When the motion information is a motion amount measurement, the step S402 includes:

obtaining the X-axis component a of the acceleration in a three-dimensional coordinate system according to the acceleration_xY-axis component a_yAnd a Z-axis component a_z。

Formula of basis

$W={\∫}_{t_o}^{t_1}\left(\mathrm{\α}\right|{\∫}_{t_0}^{t_1}(\sqrt[2]{{a_x}^2+{a^2}_{y}t}+\sqrt[2]{{a_x}^2+{a^2}_{y}1/2t^2)dt}+\mathrm{\β}{\∫}_{t_0}^{t_1}(a_{z}t+1/2a_z{t}^{2}dt)dt$

Calculating the amount of exercise W at each timing moment, wherein α is the weight of the amount of exercise and the distance of the exercise in the horizontal direction, β is the weight of the amount of high exercise, and t is the weight of the amount of high exercise₀As the moment of onset of movement, t₁To calculate the time of day.

Step S403: and acquiring the maximum value of the motion information according to the calculated motion information of each timing moment.

When the motion information is motion height information, the step S403 includes:

according to the obtained motion height information S of each timing moment_ZObtaining S_ZIs measured.

The maximum value obtaining module 303 can obtain the motion altitude information S at each timing time_ZObtaining S_ZIs measured.

When the motion information is horizontal motion velocity information, the step S403 includes:

and acquiring the maximum value of V according to the obtained motion height information V of each timing moment.

The maximum value of V can be obtained by the maximum value obtaining module 303 according to the obtained motion height information V at each timing time.

In a third aspect, as shown in fig. 1, an embodiment of the present invention further provides a motion information measuring system, it should be noted that the basic principle and the generated technical effect of the motion information measuring system provided in the embodiment of the present invention are the same as those of the above embodiment, and for brief description, corresponding contents in the above embodiment may be referred to where this embodiment is not mentioned in part.

The system comprises a wearable device 108 and a motion information measuring apparatus 101, wherein:

the wearable device 108 is used for collecting acceleration of the wearable device 108 and sending the acceleration to the motion information measuring device 101, and the acceleration is used for representing three-axis acceleration of the wearable device along three axial directions of a three-dimensional coordinate system.

In this embodiment, the wearable device 108 is a fixed object embedded with an inertial navigation chip, as shown in fig. 5, the fixed object can be fixedly connected to the shoe upper or the garment, so as to acquire the acceleration of the human body and convert the acceleration into three-axis acceleration along three axes of a three-dimensional coordinate system.

The exercise information measuring apparatus 101 includes an acceleration receiving module 301 and an exercise information calculating module 302, where the acceleration receiving module 301 is configured to receive an acceleration sent by the wearing device 108; the motion information calculation module 302 is configured to start timing after receiving the acceleration, and calculate motion information according to timing time information and the acceleration.

To sum up, according to the exercise information measuring device, method, and system provided by the embodiments of the present invention, a wearable device 108 worn on a human body can be used to collect three-axis accelerations representing three axes of the wearable device along a three-dimensional coordinate system, and send the collected three-axis accelerations to the exercise information measuring device 101, the exercise information measuring device 101 starts timing after receiving the three-axis accelerations, obtains timing time information, and calculates exercise information according to the timing time information and the accelerations. The sports information measuring device, method and system can measure various types of sports information (such as bounce height, horizontal plane movement speed and the like) of a human body during sports, an athlete can perform regular or targeted sports according to the measured sports information, and the interest and sustainability of the athlete in the sports can be stimulated.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.

The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An apparatus for measuring motion information, the apparatus comprising:

the acceleration receiving module is used for obtaining acceleration sent by wearable equipment, and the acceleration is used for representing three-axis acceleration of the wearable equipment along three axial directions of a three-dimensional coordinate system;

and the motion information calculation module is used for starting timing after receiving the acceleration, obtaining timing moment information and calculating motion information according to the timing moment information and the acceleration.

2. The motion information measuring device according to claim 1, wherein the motion information is motion height information, and the motion information calculating module is configured to obtain a component a of the acceleration along the Z-axis in the three-dimensional coordinate system according to the acceleration_zFormula of basisCalculating the motion height information S of each timing moment_ZWherein, t₀At the moment of take-off, t₁To calculate the time of day, S_ZIs t₁And the distance between the wearable device and the jump point at the moment.

3. The motion information measuring device according to claim 1, characterized in that the device further comprises:

and the maximum value acquisition module is used for acquiring the maximum value of the motion information according to the calculated motion information of each timing moment.

4. The motion information measuring device according to claim 1, wherein the motion information is horizontal plane motion velocity information, and the motion information calculating module is configured to obtain a component a of the acceleration along an X-axis in a three-dimensional coordinate system according to the acceleration_xAnd component a of the Y axis_yFormula of basisCalculating horizontal plane movement speed information V of the wearable device at each timing moment, wherein t₀As the moment of onset of movement, t₁To calculate the time of day.

5. The apparatus according to claim 1, wherein the motion information is a measure of motion amount, and the motion information calculating module is configured to obtain an X-axis component a of the acceleration in a three-dimensional coordinate system according to the acceleration_xY-axis component a_yAnd a Z-axis component a_zFormula of basis

$W={\∫}_{t_o}^{t_1}(\mathrm{\α}{\∫}_{t_0}^{t_1}{(}^2\sqrt{{a_x}^2+{a^2}_{y}t}{+}^2\sqrt{{a_x}^2+{a^2}_{y}1/2t^2)dt}+\mathrm{\β}{\∫}_{t_0}^{t_1}(a_{z}t+1/2a_z{t}^{2}dt)dt$

Calculating the amount of exercise W at each timing moment, wherein α is the weight of the amount of exercise and the distance of the exercise in the horizontal direction, β is the weight of the amount of high exercise, and t is the weight of the amount of high exercise₀As the moment of onset of movement, t₁To calculate the time of day.

6. A motion information measuring method, characterized in that the method comprises:

obtaining acceleration sent by wearable equipment, wherein the acceleration is used for representing three-axis acceleration of the wearable equipment along three axial directions of a three-dimensional coordinate system;

and starting timing after receiving the acceleration, obtaining timing time information, and calculating motion information according to the timing time information and the acceleration.

7. The method according to claim 6, wherein the motion information is motion height information, and the step of starting timing after receiving the acceleration and calculating the motion information according to timing information and the acceleration comprises:

starting timing after receiving the acceleration, and obtaining a component a of the acceleration in a Z axis in a three-dimensional coordinate system according to the acceleration_zFormula of basisCalculating the motion height information S of each timing moment_ZWherein, t₀At the moment of take-off, t₁To calculate the time of day, S_ZIs t₁And the distance between the wearable device and the jump point at the moment.

8. The motion information measuring method according to claim 7, characterized by further comprising:

and the maximum value of the motion information is obtained according to the calculated motion information of each timing moment.

9. The method according to claim 6, wherein the motion information is horizontal plane motion velocity information, and the step of starting timing after receiving the acceleration and calculating the motion information based on timing information and the acceleration includes:

starting timing after receiving the acceleration, and obtaining the component a of the acceleration in the X axis of the three-dimensional coordinate system according to the acceleration_xAnd component a of the Y axis_yFormula of basisCalculating horizontal plane movement speed information V of the wearable device at each timing moment, wherein t₀As the moment of onset of movement, t₁To calculate the time of day.

10. A motion information measuring system, characterized in that the system comprises a wearable device and a motion information measuring apparatus, wherein:

the wearable equipment is used for acquiring the acceleration of the wearable equipment and sending the acceleration to the motion information measuring device, and the acceleration is used for representing the three-axis acceleration of the wearable equipment along three axial directions of a three-dimensional coordinate system;

the motion information measuring device comprises an acceleration receiving module and a motion information calculating module, wherein the acceleration receiving module is used for receiving acceleration sent by the wearable equipment; the motion information calculation module is used for starting timing after receiving the acceleration and calculating motion information according to timing time information and the acceleration.