CN109260647A - Human body jump index comprehensive test and training system based on multi-modal signal - Google Patents

Abstract

A kind of human body jump index comprehensive test and training system based on multi-modal signal, including motion information acquisition module, motion information processing module, motion information evaluation module and instructing exercise training module, realizes and the motion index such as human body lower limbs explosive force, speed are analyzed and are trained；The device is designed based on nine axle sensors, overcomes the disadvantages of traditional assessment device data dimension is single, evaluation result error is big, assessment unification；In information evaluation module human-computer interaction interface, subject can be clearly seen that various dimensions exercise data and analysis as a result, and being saved and being shared to evaluation and test center；In instructing exercise training module human-computer interaction interface, director can also self-setting kinematic parameter, by VR technology show movement effects, formulate best human body jump sport training program；The device volume is small, and operation and maintenance is at low cost, high reliablity, is suitable for human body jump motion index and evaluates and tests and train.

Description

Human body jump index comprehensive test and training system based on multi-modal signal

Technical field

It is the invention belongs to the evaluation and test of human body lower limbs motion index and training field, in particular to a kind of to be based on multi-sensor data Shared, information fusion and human-computer interaction human body jump index comprehensive test and training system.

Background technique

In China, either the Physical Examination in middle school and college entrance examination is still tested in national student physical health standard, all Standing long jump is set as one of required test item, a weight as the evaluation human bodies motion index such as student's lower limbs strength and explosive force Want project；And be mostly to look as far as one's eyes can see currently used for evaluating and testing and training the movement of these jump indexs, level is looked as far as one's eyes can see in more common test Method look as far as one's eyes can see altitude touch, look as far as one's eyes can see and empty calendar scheduling；The index of human body jump movement has very much, and an important jump index is Explosive force, but these can only all measure the explosive force level of players indirectly, cannot exclude weight and leg length to institute Survey the influence of explosive force level；Also the same Shortcomings such as other indexs such as speed, height for jumping, measurement speed Degree can only obtain average speed, can not accomplish that the real-time display of speed, measurement height can only measure the ground that hand can touch Side, and influence of the body posture to jumping is ignored, the jumping for being unfavorable for accurately evaluating and testing sportsman is horizontal, Wu Fati Suitable effective drill program out；Therefore, all there is wretched insufficiency in existing human body jump index evaluation and test and training method.

The evaluation and test and training of human body jump index need suitable, small-sized testing system device efficiently and accurately, and current Small-sized human body jump index evaluating system device on the market, it is unreasonable due to sensor design and measurement method, to human body There is very big error in the evaluation result for index of jumping, this has great negative effect to human body jump ability is promoted, meanwhile, it is existing Capable more accurate human body jump index evaluating system device volume is big, inconvenient to carry, complicated for operation, is not easy to promote；Cause This, urgent need develop it is a kind of for human body jump process, can directly evaluate and test that human body lower limbs explosive force is horizontal, precision is high, small in size Human body jump index comprehensive test and training system.

In the evaluation and test of jumping index, especially in the test of explosive force index, accelerometer plays critically important Effect；Accelerometer has been applied in explosive force test and the detection research of jump duration at present, plantar pressure sensing technology It then has application to based on pressure sensing Athletess analysis system, and by nine axis attitude transducer (three axis accelerometers, three Axis gyroscope and three axis magnetometric sensors) it tests and trains also in human body jump index comprehensive with pressure sensing technology combined application No, therefore, the present invention discloses a kind of High-precision human jump merged based on attitude transducer with plantar pressure sensor information Jump index comprehensive test and training system.

Summary of the invention

The purpose of the invention is to overcome the shortcoming of prior art, a kind of human body based on multi-modal signal is provided Jump index comprehensive test and training system；The device is sensed using nine axis attitude transducers and pressure resistance type flexibility plantar pressure Device, not only various dimensions acquired acceleration, direction and location information during exercise, but also can acquire in real time in human body jump motion process Plantar pressure information, the two are analyzed by compensation data, are realized and are joined to movements such as human body lower limbs explosive force, saltation velocity and height Several evaluation and tests, small in size, acquisition information is comprehensive, and data are accurate, and evaluation analysis is objective, it can be achieved that measurement acquisition and analysis evaluation and test one Body technology, the disadvantage for overcoming existing apparatus process lengthy and jumbled.

Technical scheme is as follows:

The present invention designs a kind of human body jump index comprehensive test and training system based on multi-modal signal, including motion information Acquisition module, motion information processing module, motion information evaluation module and instructing exercise training module；It is characterized by: described Motion information acquisition module includes that nine axis attitude transducers, left foot pressure resistance type flexibility plantar pressure sensor and right crus of diaphragm pressure resistance type are soft Property plantar pressure sensor；The nine axis attitude transducer includes three axis accelerometer, three-axis gyroscope and three axis magnetic force sensing Device improves the evaluation and test of human body jump index for kinematic parameters such as comprehensive acquisition human body jump movement instantaneous position, acceleration Accuracy；The plantar pressure sensor is encapsulated in using people's foot according to the composition of vola bone, to incite somebody to action in the film substrate of model The main force parts in volas such as five big phalanx points, calcaneum, metatarsal are distributed in by the sensor block that force sensitive ink makes, are passed through The presser sensor patch of large area is placed to acquire slight plantar pressure and its variation, each plantar pressure pressure in the other positions in vola Sensor block carries out data transmitting by internal thin wire, is merged by the pressure data that operational amplifier acquires each sensor At a pressure value, then it is transmitted to PC machine by wireless communication, and carries out further data fusion and data analysis；It is described Motion information processing module includes kinematical constraint algorithm, data filtering and data fusion；The kinematical constraint algorithm is benefit Nine axis attitude transducers acquisition data are constrained with the collected signal of plantar pressure sensor, when players are takeoff When, after data filtering, the collected signal of plantar pressure sensor institute can reach preset threshold, pass and if only if plantar pressure When the collected signal of sensor institute reaches preset threshold, nine axis attitude transducers start to integrate acceleration, use movement Learning bounding algorithm can be improved accuracy of the nine axis attitude transducers to the acquisition of saltation velocity and jump height；The movement letter Breath evaluation module includes human-computer interaction interface, jumping process gradually analysis module and the report of explosive force test evaluation result； The human-computer interaction interface includes plantar nervous arch image, jumping parameters change curve and sensor states table, testee And instruct personnel that can directly be observed in visualization upper computer software human body lower limbs jump process, and can pass through Upper computer software is modified and is saved to the kinematic parameter in embedded system；The motion information processing module is embedded System；The embedded system receives attitude transducer signal, vola piezoelectric signal simultaneously；Between the embedded system, it is embedding Embedded system and nine axis attitude transducers, embedded system and PC machine, PC machine and VR technology glasses be all made of bluetooth or wifi without Line communication；The motion information evaluation module is PC machine, is the carrier of human-computer interaction interface；The instructing exercise training module packet Include normalizing database motion information comparison guidance and human-computer interaction interface exercise guidance；The human-computer interaction interface exercise guidance packet 3-D image exercise guidance and the guidance of VR technological movement are included, for showing evaluation result information, three peacekeeping VR is able to carry out and builds Mould has multi-functional display device；The human body jump index comprehensive test and training system based on multi-modal signal be The system of one thoroughly evaluating human body jump movement, vertical height, horizontal distance, instantaneous velocity, average speed including jump, The indexs such as explosive force.

Human body jump index comprehensive test and training system of the present invention based on multi-modal signal acquires human body lower limbs Maximum height, maximum instantaneous explosive force and initial take_off speed movement in jump process are used as evaluation index, can accurate evaluation human body The motion index such as lower limb explosive force；Due in looking as far as one's eyes can see ground reaction force and lower limb maximum power it is all bigger than standing long jump, because This, this system is used to look as far as one's eyes can see and be acted as human body lower limbs motion index evaluating standard；The system is a thoroughly evaluating jump fortune Dynamic system, vertical height, horizontal distance, instantaneous velocity, average speed, explosive force including jump etc., wherein explosive force is One key index of human body jump movement evaluation and test.

The motion information processing module acquires nine axis attitude transducers and pressure resistance type flexibility plantar pressure sensor The data arrived, based on the accuracy of two kinds of sensors, respectively multiplied by being added after different weights, i.e. multiple sensor signals weighting is melted Conjunction method improves human body lower limbs motion index and evaluates and tests precision.

The motion information evaluation module is based on collected human body lower limbs jump acceleration information, is obtained by integral calculation The speed of human body lower limbs jump, height and distance out, the mapping obtained between speed, height and distance in embedded systems are closed It is curve；According to these points of inflexion on a curve, extreme point and most value point position, human body lower limbs prompt explosion power and maximum outburst are obtained Power；According to the accuracy of two kinds of sensors, respectively multiplied by being added after corresponding weight value, human body jump index evaluation is obtained as a result, i.e. Multiple sensor signals Weighted Fusion method, improves the precision of assessment；It is total based on nine axis attitude transducers and plantar pressure sensor With collected data, lower limb prompt explosion power is calculated；Described device is evaluated by the data stored in embedded system Human body jump lower limb explosive force is horizontal；Most with human body lower limbs maximum instantaneous explosive force (maximum power of lower limb output), jump Big height (embodying the done total work of lower limb) and jump take-off skill are evaluation index, and human body jump sports level is carried out classification and is commented Valence calculates lower limb prompt explosion power by the product of plantar pressure summation and speed, take wherein maximum value as lower limb maximum Prompt explosion power；Jump maximum height carries out integral calculation twice based on normal acceleration measured by nine axis attitude transducers and obtains It arrives；The evaluation for take-off skill of jumping is based on PC machine to the gait analysis of plantar pressure sensor institute measured data, institute's measuring pressure data Be transmitted to PC machine by bluetooth or wifi communication, PC machine to pressure data carry out plantar region, when equal classification grouping and To the pressure Distribution Value and image of each group, each data and image clearly are shown on three-dimensional display screen, while the system By this measurement data and the human body standard movement data and the pervious measurement data of the subject that are stored in cloud database Automatically it compares, obtains the differences such as position, the period of pressure distribution, and provide next stage human body with this to enhance one party The suggestion of face training, consultant can also start VR virtual technology system, virtually be practiced the drill program of next time, and observation is empty The final result for intending training enhances the reasonability of drill program as reference, constantly improvement drill program.

It includes motion information acquisition module and movement that module is instructed in normalizing database motion information comparison of the present invention The various data of message processing module are compared using data base administration resource with each normal data, show that corresponding mapping relations are bent Line and conclusion, and according to datas such as user's weight, height and Leg lengths, it intelligently provides and meets different human body demand Preliminary explosive force training guidance opinion；The 3-D image exercise guidance module uses three-dimensional display screen technology, it can be achieved that amplification The whole process for slowing down human body jump movement facilitates the comprehensive evaluating moved to human body jump；The VR exercise guidance module Using virtual reality technology, it can be achieved that the human body jump motion process for meeting artificial setting jumping parameter reappears；Comprehensive three Dimension display technology can also be trained and instruct to human body jump action movement index in real time with VR display technology, effectively promotion people The body jump level of training.

Compared with prior art, the present invention having the following advantages that and high-lighting effect:

Apparatus of the present invention utilize nine axis attitude transducers and pressure resistance type flexibility plantar pressure sensor, both can various dimensions acquisition human body Jumping acceleration, direction and location information are realized and are commented kinematic parameters such as human body jump explosive force, speed and height It surveys, and plantar pressure information can be acquired in real time, and fusion is weighted to assessment data, keep metrics evaluation more accurate；The dress The whole process for using three-dimensional display screen technology, it can be achieved that amplification slows down jumping is set, enables that personnel is instructed clearly to see The slow process and each position details for seeing subject's jumping, provide corresponding initial guide opinion accordingly；The device is using empty Quasi- reality technology is, it can be achieved that the movement that jumping parameter (acceleration, height, distance etc.) is artificially arranged reappears；VR display screen Corresponding jumping process can be shown as required, after coach provides instruction, be arranged according to instruction different Kinematic parameter, effect of jumping after being improved by virtual reality display, saves the unnecessary training process of subject；The device volume Small, data are accurate, are suitable for human body jump index and evaluate and test field；The device human-computer interaction interface data multidimensional degree shows, Quan Fang Position shows comprehensive test result at many levels.

Detailed description of the invention

Fig. 1 is human body jump index comprehensive test and training system functional block diagram based on multi-modal signal.

Fig. 2 is human body jump index comprehensive test and training system structure diagram based on multi-modal signal.

1-PC machine and 2-embedded developping system of three-dimensional display screen, one 3-embedded developping system 2 4-are embedded 3 5-nine axis attitude transducer 6-right crus of diaphragm pressure resistance type flexibility plantar pressure sensor 7-left foot pressure resistance type of development system is soft Property plantar pressure sensor 8-VR technology glasses.

Specific embodiment

The human body jump index comprehensive test and training system based on multi-modal signal can from jump it is vertical height, Angularly, thoroughly evaluating human body jump moves indices, wherein quick-fried for horizontal distance, instantaneous velocity, average speed and explosive force It has an effect as a key index of human body lower limbs jumping；Meet different human body as a result, can provide automatically according to comprehensive evaluating The lower limb jumping training method of demand.

Lower limb jumping and training effect are tested, generalling use project both at home and abroad is to look as far as one's eyes can see and standing long jump, is being studied It is middle discovery look as far as one's eyes can see in ground reaction force and lower limb maximum power it is all bigger than standing long jump, look as far as one's eyes can see in can preferably play Lower limbs strength and explosive force；The related coefficient for looking as far as one's eyes can see middle lower limb maximum power and achievement is higher than the related coefficient of standing long jump very It is more, it can more preferably evaluate lower extremity movement, strength and the explosive force of subject；Therefore, the present invention is used and is looked as far as one's eyes can see as appraiser The test action of body lower limb jumping index.

The content of specific structure of the invention, working principle is described in further detail with reference to the accompanying drawings and embodiments.

Human body jump index comprehensive test and training system based on multi-modal signal as shown in Figure 1 includes motion information Acquisition module, motion information processing module and motion information evaluation module, wherein motion information processing module and motion information are commented Estimate module to develop in embedded systems.

Motion information acquisition module as shown in Figure 2 is passed by nine axis attitude transducers 5, right crus of diaphragm flexibility pressure resistance type plantar pressure Sensor 6, left foot flexibility pressure resistance type plantar pressure sensor 7 are constituted；Nine axis attitude transducers 5 include 3-axis acceleration sensor, Three-axis gyroscope and three axis magnetic induction sensors, can measure look as far as one's eyes can see human body lower limbs angle in space in movement, angular speed, Angular acceleration and position；Pressure resistance type flexibility plantar pressure sensor is respectively placed in left and right foot sole, acquires jump process in real time The stress condition data of middle Human Sole；The collected data of pressure resistance type flexibility plantar pressure sensor and nine axis attitude transducers 5 collected data are weighted fusion, improve human body jump index comprehensive test precision；The pressure resistance type flexibility plantar pressure Sensor is two-sided induction large format pressure sensing coating, has force sensitive ink on film substrate, passes through advanced screen printing Brush is made, each force sensitive ink module by wire be connected, when pressure sensing coating is by ambient pressure, resistance with The increase of pressure and reduce, resistance inverse with pressure near linear relationship, data are handled by upper computer software, i.e., The size and distribution situation of plantar pressure during available human body jump.

Motion information processing module as shown in Figure 2 is made of kinematical constraint algorithm, data filtering and data fusion；First By the linear acceleration in the acquired information of nine axis attitude transducer 5 after Kalman filtering, then by line after treatment Property acceleration and Eulerian angles are converted according to Euler matrivx:

Wherein X is roll angle, and Y is pitch angle, and Z is yaw angle, calculates the linear acceleration of human body jump perpendicular to the ground accz；Human body jump speed Speed- ∫ accz dt, human body jump height Height can also be calculated₁-∫∫accz dt.It will After all values measured by pressure resistance type flexibility plantar pressure sensor are cumulative, lower limb are obtained to ground exerted forces: Force_ALL- ∑ force, jump heightAccording to the accuracy of two kinds of sensors, respectively multiplied by different weights after It is added, obtains human body jump index evaluation as a result, i.e. multiple sensor signals Weighted Fusion method, improves the precision of assessment, i.e., IIeight-K1*IIeight₁+K2*IIeight₂；Based on nine axis attitude transducers 5 and pressure resistance type flexibility plantar pressure sensor The data measured jointly calculate human body lower limbs prompt explosion power ExplosivcForcc-Forcc_ALL* Spccd is as shown in Figure 2 Motion information evaluation module by human-computer interaction interface and motion process, gradually analysis module is constituted；Human-computer interaction interface includes foot Bottom pressure distributed image, jumping parameters change curve and sensor states table；Human-computer interaction interface is by prompt column, data information window Mouth is constituted with display field, the core that evaluation and test person interacts with system when being jump evaluation and test；Plantar nervous arch image is by acquiring The flexible pressure resistance type plantar pressure sensor effect of two of plantar pressure data, left foot flexibility pressure resistance type plantar pressure sensor 7 Collected data are transmitted in embedded system 23 by data line, embedded system 23 is logical by bluetooth or wifi Wireless transmission is believed into embedded system 34, and right crus of diaphragm flexibility pressure resistance type plantar pressure sensor 6 leads to collected pressure data It crosses data line and is transmitted to embedded system 1, embedded system 1 communicates wireless transmission to embedded system by bluetooth or wifi It unites in 34；Embedded system 34 is the main system of embedded system, not only receives and transmits from other two embedded systems Pressure information, and communicate by bluetooth or wifi the information of nine axis attitude transducer 5 of wireless receiving acquisition, it is last embedded System 34 is sent in PC machine 1 by bluetooth or wifi communication again, realizes the display of plantar nervous arch image, To the real-time plantar pressure situation of directviewing description human body jump, PC machine and VR technology glasses are carried out also by bluetooth or wifi The function of virtual technology exercise guidance is realized in communication；Altitude curve and jump speed per hour when jumping parameters change curve includes jump It writes music line, based on collected human body jump acceleration information, passes through integrating meter calculating human body lower limbs speed, height and distance etc. Index, and mapping curve between speed, height and distance is obtained in embedded systems；According to point of inflexion on a curve, extreme point and Most it is worth point feature, and the position of more each human body jump repeatedly, comprehensive comprehensive assessment is carried out to human body jump movement, it can be real-time Accurate human body jump parameter information is provided；Sensor states table is used to show the working condition of each sensor module, facilitates The monitoring and maintenance of system motion；Motion process is gradually analyzed and the report of test evaluation result senses plantar pressure based on PC machine The gait analysis of device institute measured data, institute's measuring pressure data are transmitted to PC machine by bluetooth or wifi communication, and PC machine is to pressure data Plantar region grouping and phase grouping are carried out, the pressure Distribution Value and the pressure of take-off front and back each period in each region in vola are obtained Distribution Value, final analysis obtain the big float of vola total pressure, the maximum pressure on single sensor, each area's maximum pressure in vola The image of column sequence, the accumulative pressure in each area in vola and each plantar nervous arch, by each data and figure on three-dimensional display screen As clearly displaying, at the same the system by this measurement data and be stored in cloud database Plays human body movement data and The pervious measurement data of the subject compares automatically, obtains the differences such as position, the period of pressure distribution, provides the next stage Suggestion trained in a certain respect should be enhanced, consultant can also start VR virtual technology system, carry out to the drill program of next time empty Quasi- practice, observes the final result of virtual training, as reference, constantly improvement drill program, enhances the conjunction of drill program Rationality improves training effectiveness.

Motion information training guidance module as shown in Figure 2 compares guidance and human-computer interaction by normalizing database motion information Interface Motion guidance is constituted；It includes motion information acquisition module and motion information that module is instructed in the comparison of normalizing database motion information The various data of processing module are compared each normal data using data base administration resource, show that corresponding mapping relations are bent Line and conclusion；3-D image exercise guidance module use three-dimensional display screen technology, it can be achieved that amplification slow down human body jump movement and The whole process of posture facilitates the comprehensive evaluating moved to human body jump；VR exercise guidance module uses virtual reality technology, The human body jump motion process for meeting artificial setting jumping parameter (human body jump acceleration, height, distance etc.) can be achieved It reappears；Comprehensive dimension display technologies can also be trained and instruct to human body jump movement index in real time with VR display technology, have Effect promotes the human body jump level of training.

The sports level of " national physique measurement standard " and sportsman that the system is provided according to General Administration of Sport Human longitudinal jumping level is divided into four levels by analytical standard, and respectively common horizontal, common high level, sportsman is horizontal and pushes up Sharp sportsman is horizontal；Each level can be specifically divided into five grades, successively improve from level-one to Pyatyi level: common horizontal level-one It is 0~19.9, common horizontal second level is 20.0~24.8cm, and common horizontal three-level is 24.9~32.3cm, common horizontal level Four For 32.4~38.4cm, common horizontal Pyatyi is 38.5~45.8cm；Common high level level-one is 45.9~51.9cm, commonly High-level second level is 52.0~56.7cm, and common high level three-level is 56.8~60.7cm, common high level level Four is 60.8~ 66.1cm, common high level Pyatyi is 66.2~72.0cm；The horizontal level-one of sportsman is 72.1~77.8cm, sportsman's level two Grade is 77.9~87.1cm, and the horizontal three-level of sportsman is 87.2~92.0cm, and the horizontal level Four of sportsman is 92.1~99.7cm, The horizontal Pyatyi of sportsman is 99.7~103.4cm；The top horizontal level-one of sportsman is 103.5~108.6cm, top sportsman Horizontal second level is 108.7~117.1cm, and the top horizontal three-level of sportsman is 117.2~124.5cm, top sportsman's level four Grade is 124.6~130.5m, and the top horizontal Pyatyi of sportsman is greater than 130.5cm.

The course of work of the present invention is as follows:

Nine axis attitude transducers are worn on loins first, then plantar pressure insole is divided into and is put into human body jump as left and right insole In jump special test shoes；User's opening device starts switch, device for opening upper computer software, inputs height, the body of subject The parameters such as again；When test, subject must be upright in flat place, bipod open naturally from, then dip of knees is firmly looked as far as one's eyes can see upwards, When take-off, there cannot be mobile or pad step movement, fall back under nature and stand firm on place, the movement that bending knee is drawn the abdomen must not be done intentionally； Three times, the higher achievement of jump height is better for everyone trial jump, takes best result as evaluation index；After end process, by upper Machine software is uploaded to server after saving data, provides evaluation result after the analysis of motion information evaluation module；According to commenting Survey as a result, subject can coach or system provide automatically training program guidance under, by dimension display technologies with VR display technology receives the human body jump training guidance customized.

Above-described embodiment is only to clearly demonstrate citing of the invention, and be not the restriction to embodiment；For institute For the those of ordinary skill in category field, other various forms of variations or change can also be made on the basis of the above description It is dynamic；There is no necessity and possibility to exhaust all the enbodiments；And obvious variation extended from this or change It is dynamic to be still in the protection scope of this invention.

Claims (4)

A comprehensive evaluation and training system for human body jumping index based on multi-modal signals, comprising a motion information collecting module, a motion information processing module, a motion information evaluation module and a sports training guiding module; wherein: the motion information collecting module The utility model comprises a nine-axis attitude sensor, a left-foot piezoresistive flexible plantar pressure sensor and a right-foot piezoresistive flexible plantar pressure sensor; the nine-axis attitude sensor comprises a three-axis accelerometer, a three-axis gyroscope and a three-axis magnetic sensor. It is used to comprehensively collect the motion parameters such as the instantaneous position and acceleration of the human jumping motion, and improve the accuracy of the human body jumping index evaluation; the foot pressure sensor is packaged in a film substrate with a human foot as a model, according to the composition of the foot bone The sensor block made of pressure sensitive ink is distributed on the main force parts of the five major phalanx, calcaneus, humerus and other foot, and a large area of pressure sensitive patch is placed through other parts of the foot to collect the slight plantar pressure and its changes. Each foot pressure and pressure sensor block transmits data through internal thin wires, and is put through operation The device integrates the pressure data collected by each sensor into a pressure value, and then transmits it to the PC through wireless communication, and performs further data fusion and data analysis; the motion information processing module includes kinematic constraint algorithm, data filtering and data fusion. The kinematic constraint algorithm uses the signal collected by the plantar pressure sensor to constrain the data collected by the nine-axis attitude sensor. When the athlete jumps, after the data is filtered, the signal collected by the plantar pressure sensor will reach The preset threshold, if and only when the signal collected by the plantar pressure sensor reaches a preset threshold, the nine-axis attitude sensor begins to integrate the acceleration, and the kinematic constraint algorithm can improve the jumping speed and jumping height of the nine-axis attitude sensor. Accuracy of the acquisition; the motion information evaluation module includes a human-computer interaction interface, a step-by-step analysis module of the jump motion process, and a report of the explosive force test evaluation result; the human-machine interaction interface includes a plantar pressure distribution image, a jump parameter variation curve, and a sensor state Table, testee and instructor The human body lower limb jumping process is directly observed in the visual upper computer software, and the motion parameters in the embedded system can be modified and saved by the upper computer software; the motion information processing module is an embedded system; the embedded system At the same time, the attitude sensor signal and the foot piezoelectric signal are accepted; the embedded system, the embedded system and the nine-axis attitude sensor, the embedded system and the PC, the PC and the VR technical glasses are all performed by Bluetooth or wifi wireless communication. Data transmission; the motion information evaluation module is a PC, which is a carrier of a human-computer interaction interface; the exercise training guidance module includes a database specification motion information comparison guide and a human-machine interaction interface motion guide; the human-machine interaction interface motion guide Including three-dimensional image motion guidance and VR technology motion guidance, which is used to display evaluation result information, can perform three-dimensional and VR modeling, and has a multi-functional display device; the multi-modal signal based human body jump index comprehensive evaluation and training system is A system for comprehensive evaluation of human jumping movements, including vertical jumps Degree, horizontal distance, instantaneous speed, average speed, power and other indicators. 2. The motion information collecting module according to claim 1 saves the data collected by the nine-axis attitude sensor and the plantar pressure sensor in a memory chip in the embedded system, and synchronously transmits the data to the upper computer software by using Bluetooth or wifi technology. In order to promptly call the processing; the motion information processing module is based on the collected human body lower limb jumping acceleration data, and calculates the speed, height and distance of the human lower limb jumping by integral calculation, and obtains the speed, height and distance in the embedded system. The mapping curve between the two; according to the inflection point, extreme point, and the position of the most value point of the curve, the instantaneous explosive force and the maximum explosive force of the human lower limb are obtained; the specific algorithm is to perform Kalman filtering on the linear acceleration in the information collected by the nine-axis attitude sensor. And then with the Euler angle according to the Euler matrix transformation: Where X is the roll angle, Y is the pitch angle, and Z is the yaw angle, and the vertical ground linear acceleration of the human body jump process is calculated. , human body jumping speed , human body jump height After accumulating all the values measured by the plantar pressure sensor, the force exerted by the lower limbs on the ground is obtained: , jump height: According to the accuracy of the two sensors, multiply the corresponding weights and add them respectively to obtain the evaluation result of the human body jump index, that is, the multi-sensor signal weighting fusion method to improve the accuracy of the evaluation, that is, Based on the data collected by the nine-axis attitude sensor and the plantar pressure sensor, the instantaneous explosive force of the lower limb is calculated. . 3 . The multi-modal signal based comprehensive evaluation and training system for human body jumping index according to claim 1 , wherein the human body jumps the explosive force level of the lower limb by the data stored in the embedded system; and the maximum instantaneous explosive force of the lower limb of the human body (the maximum output of the lower limbs) Power), the maximum height of the jump (reflecting the total work done by the lower limbs) and the jumping and jumping skills are the evaluation indicators. The level of the human jumping movement is graded and evaluated, and the instantaneous explosive force of the lower limbs is calculated by the product of the sum of the plantar pressure and the speed, which is the largest. The value is used as the maximum instantaneous explosive force of the lower limb; the maximum height of the jump is calculated based on the vertical acceleration measured by the nine-axis attitude sensor; the jump jump skill evaluation is based on the gait analysis of the data measured by the PC on the plantar pressure sensor. The pressure data is transmitted to the PC through Bluetooth or wifi communication. The PC performs grouping of the pressure data on the foot area and the time category and obtains the pressure distribution values and images of each group. The data and images are clearly displayed on the three-dimensional display screen. Display, while the system will store this measurement data in the cloud The standard human motion data in the database and the previous measurement data of the subject are automatically compared, and the difference in position and time period of the pressure distribution is obtained, and the suggestion that a certain aspect should be enhanced in the next stage is given, and the instructor can also start VR virtual The technical system, virtual exercises for the next training program, observe the final results of the virtual training, use it as a reference, continuously improve the training plan, and enhance the rationality of the training plan. 4. The database specification motion information comparison guidance module according to claim 1 includes various data of the motion information collection module and the motion information processing module, and uses database management resources to compare with each standard data to obtain a corresponding mapping relationship curve and Conclusion, according to the user's own weight, height and length of the lower limbs and other self-data, intelligently give the initial explosive force training guidance to meet different human needs; the three-dimensional image motion guidance module uses three-dimensional display technology, can achieve amplification and slow down the human body jump The whole process of motion helps to comprehensively evaluate the jumping movement of the human body; the VR motion guiding module adopts virtual reality technology, which can realize the reappearance of the human body jumping motion process that meets the artificially set jumping motion parameters; comprehensive three-dimensional display technology and VR display The technology can also train and guide the human body jumping action indicators in real time, effectively improving the level of human jumping training.