Cognitive motion dual-task intelligent testing and training system

Abstract

The invention discloses a cognitive movement dual-task intelligent testing and training system. The system comprises a three-dimensional rotating platform, a door frame type auxiliary frame, a plantar pressure film, a head top scanning radar, a tension traction component and a dual-screen display control unit. The plantar pressure film is laid on the upper surface of the three-dimensional rotating platform; the overhead scanning radar, the tension traction part and the double-screen display control unit are installed on the door frame type auxiliary frame. The three-dimensional rotating platform provides a three-dimensional non-linear unstable motion environment with presettable difficulty for a patient, the double-screen display control unit provides cognitive recognition information, and the head top scanning radar, the plantar pressure film and the tension traction component collect body posture data of the patient. According to the invention, a cognitive motion dual-task evaluation and training means based on a three-dimensional nonlinear unstable motion environment is provided for doctors and physicians, so that the evaluation accuracy and the training pertinence are remarkably improved.

Description

Technical Field

[0001] The invention belongs to the field of central nervous system rehabilitation training, and in particular relates to a cognitive-motor dual-task intelligent testing and training system. Background Art

[0002] The incidence of central nervous system diseases has been on the rise in recent years, which is closely related to the aging of the global population and the increase in the incidence of mental illness. Central nervous system diseases include organic diseases such as cerebrovascular disease, Parkinson's disease, and Alzheimer's disease, as well as mental disorders such as depression and anxiety.

[0003] The application and development of cognitive-motor dual-task training technology (CMDT) originated from the field of sports training in the field of medical rehabilitation has provided a new means for the rehabilitation of central nervous system diseases. CMDT has been proven to effectively improve patients' gait speed, stride and balance ability by combining cognitive tasks and motor tasks, such as cognitive challenges while walking. In addition, CMDT has also been used in the elderly to improve their cognitive function and motor ability, thereby preventing falls and dementia. However, the existing technical means are relatively scarce, and it is difficult to find a cognitive and motor testing and training system that meets the needs, and it is impossible to complete the dual test of cognitive function and motor ability well. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a cognitive-motor dual-task intelligent testing and training system, and provides a dual-task training method capable of cognition and movement, so that more people can benefit.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a cognitive and motor dual-task intelligent testing and training system, comprising: a three-dimensional rotating platform, a door frame-type auxiliary frame, a plantar pressure film, an overhead scanning radar, a tension traction rope, a tension traction handle and a dual-screen display control unit; the three-dimensional rotating platform and the door frame-type auxiliary frame are in contact with the ground; the plantar pressure film is laid on the three-dimensional rotating platform; the overhead scanning radar, one end of the tension traction rope and the dual-screen display control unit are installed on the door frame-type auxiliary frame, and the other end of the tension traction rope is connected to the tension traction handle.

[0006] The advantages of the present invention compared with the prior art are:

[0007] 1. Through this system, we can more clearly know the patient's ability to maintain coordination and stability while resisting external dynamic environmental interference and cognitive dual tasks. It can better help doctors and therapists understand the patient's current functional disorders and provide a scientific basis for subsequent treatment plans.

[0008] 2. The system has built-in plantar center of gravity, top body radar scanning, and dual tension sensors, which can evaluate the patient's stability in space from three dimensions: coronal plane, sagittal plane, and horizontal plane. The results obtained are more accurate and scientific.

[0009] 3. The platform selection speed, amplitude and deflection angle can be adjusted, and the difficulty can be subdivided according to mutual tuning. It is suitable for testing patients with different degrees of cognitive motor dysfunction.

[0010] 4. Pre-installed exercise prescriptions, contraindications and training precautions also ensure the safety and effectiveness of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present invention;

[0012] Figure 2 It is a test flow chart of the present invention;

[0013] Figure 3 It is the software function diagram of the present invention.

[0014] The reference numerals include: three-dimensional rotating platform 1, door frame auxiliary frame 2, plantar pressure film 3, overhead scanning radar 4, tension traction rope 5, tension traction handle 6, dual-screen display control unit 7. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in each embodiment of the present invention described below can be combined with each other as long as they do not conflict with each other. To achieve the above-mentioned purpose, the present invention adopts the following technical scheme.

[0016] The following is further described in detail through specific implementation methods:

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The embodiment is basically as shown in the attached Figure 1As shown: a cognitive and motor dual-task intelligent testing and training system, comprising: a three-dimensional rotating platform 1, a door frame auxiliary frame 2, a plantar pressure film 3, an overhead scanning radar 4, a tension traction rope 5, a tension traction handle 6 and a dual-screen display control unit 7. The three-dimensional rotating platform 1 and the door frame auxiliary frame 2 are in contact with the ground; the three-dimensional rotating platform 1 is located in the door frame auxiliary frame 2, and the plantar pressure film 3 is laid on the upper surface of the three-dimensional rotating platform 1; the overhead scanning radar 4, one end of the tension traction rope 5 and the dual-screen display control unit 7 are installed on the door frame auxiliary frame 2, and the other end of the tension traction rope 5 is connected to the tension traction handle 6.

[0019] The three-dimensional rotating platform 1 is a three-dimensional motion mechanism controlled by a computer and driven by a servo motor. It simulates the unstable state of a ship in the waves and can provide different rotation swing speeds, fluctuation amplitudes and deflection angles according to user settings. The three-dimensional rotating platform 1 is a hemispherical structure, and the hemispherical arc surface of the three-dimensional rotating platform 1 is in contact with the ground.

[0020] The plantar pressure film 3 is a group of dot matrix planar pressure sensors, which are laid on the patient's foot area on the top of the three-dimensional rotating platform 1. By collecting the patient's plantar pressure state, the user's center of gravity trajectory on the three-dimensional rotating platform 1 is detected in real time.

[0021] The overhead scanning radar 4 is installed above the door frame type auxiliary frame 2, and senses the displacement of the human body in space in real time by scanning the position of the human body.

[0022] The dual-screen display control unit 7 is installed on the door frame auxiliary frame 2, located in front of the patient, for doctors and physical therapists to set test or training parameters, and for patients to provide visual feedback information and interactive operation environment during testing or training.

[0023] There are two tension traction ropes 5, one end of each tension traction rope 5 is installed on the upper and middle part of the column of the door frame type auxiliary frame 2, located on the left and right sides of the patient, and the other end of the tension traction rope 5 is connected to the tension traction handle 6, and the tension traction handle 6 is equipped with a tension sensor. The patient needs to hold the two tension traction handles 6 during testing or training. The tension sensors on the tension traction handles 6 can detect the tension changes on the left and right sides in real time and control the focus selection of the test.

[0024] The dual-screen display control unit 7 is pre-installed with exercise prescriptions for relevant indications, as well as contraindications and training precautions to ensure the safe and effective use of the device;

[0025] The present invention provides a cognitive-motor dual-task intelligent testing and training system, which integrates the data of plantar mechanical sensors, bioradar scanners and tension sensors in multiple dimensions, and uses a weighted dynamic balance algorithm to calculate the patient's posture stability index at different levels of difficulty based on the real-time collected mechanical data, spatial displacement data and tension feedback. Its core algorithm is a three-dimensional spatial displacement intelligent evaluation system, which is an intelligent system that analyzes the patient's posture control ability based on real-time collected three-dimensional position information and dynamic feedback data. The system can quantitatively analyze the patient's stability and provide accurate rehabilitation training guidance and intelligent feedback.

[0026] The process of establishing the algorithm is as follows:

[0027] Step 1: Data collection, and real-time acquisition of the coordinate data of the center of gravity trajectory P(t).

[0028] Step 2: Calculate the total offset distance, offset range, trajectory curvature, and trajectory jitter.

[0029] Step 3: Generate a center of gravity offset distribution heat map and stability evaluation score.

[0030] Step 4: Use the intelligent feedback mechanism to adjust the training plan or difficulty based on the evaluation results.

[0031] 1) Data collection and modeling

[0032] The overhead scanning radar uses a depth camera to obtain the skeleton map of the human body, and further obtains the coordinates of each feature point of the human body. The sole sensor is a sensor matrix, which returns the pressure distribution map of the sole of the foot. The center of gravity of the human body at time t is calculated based on the sole pressure distribution and the coordinates of each feature point of the human body. The center of gravity trajectory is represented as a three-dimensional curve that changes over time: ;

[0033] The equilibrium point (ideal position) is set to .

[0034] 2) Offset distance calculation

[0035] Offset vector:

[0036] ;

[0037] Real-time offset distance (Euclidean distance):

[0038] ;

[0039] 3) Stability evaluation score

[0040] (1) Total Deviation Distance (TDD)

[0041] Reflects the overall offset level:

[0042] , t0: offset start time; t n : Offset end time.

[0043] (2) Deviation Range (DR)

[0044] Reflects the offset distribution range in three-dimensional space:

[0045] ;

[0046] 4) Heat map of center of gravity offset distribution

[0047] In the xy plane, the trajectory is distributed according to the time density to generate a heat map. The weight value of each grid is:

[0048] ;

[0049] : the i-th column of the grid, : The i-th row of the grid, where δ is the indicator function, counting the number of times the trajectory falls into each grid.

[0050] 5) Three-dimensional trajectory stability evaluation

[0051] (1) Curvature, k(t)

[0052] Reflects the curvature of the trajectory:

[0053] ;

[0054] in: : The first derivative of the trajectory (velocity vector); : Second derivative of the trajectory (acceleration vector).

[0055] (2) Jitter (Jitter, J)

[0056] Measures the jitter (high frequency variations) of a trace:

[0057] ;

[0058] 6) Intelligent feedback mechanism

[0059] Dynamic weight adjustment: adjust the weight of the offset indicator according to the importance of different indicators:

[0060] ;

[0061] in, It can be adjusted dynamically according to the patient's specific performance.

[0062] A cognitive-motor dual-task intelligent testing and training system, whose test report uses a 100-point system to score and draw a 3D spatial displacement diagram of the human body. It can enable doctors and therapists to more intuitively judge the patient's posture control and quickly find the problem points.

[0063] The specific implementation process is as follows:

[0064] The process of using the present invention to perform dual-task testing is as follows: Figure 2 As shown, the doctor or physical therapist first enters or selects the patient through the dual-screen display control unit 7, selects the test difficulty and cognitive type, and demonstrates the test to the patient. The patient climbs onto the three-dimensional rotating platform 1 and stands firmly, holding the pulling traction handle 6. The doctor or physical therapist starts the three-dimensional rotating platform 1 to start exercising, and the patient completes specific actions according to the instructions of the dual-screen display control unit 7. The doctor, physical therapist and patient can all obtain real-time data of each sensor through the dual-screen display control unit 7 until the test is completed. The test report can be browsed through the dual-screen display control unit 7, and the test report can also be exported or printed via email or WeChat.

[0065] The software functions of the dual-task test using the present invention are as follows: Figure 3 As shown, first you can select the cognitive task type from space or target judgment, and then select one of the six difficulties as the interference difficulty of this test. After completing the above task settings, you can start the test. After the test, the system outputs a test report based on the data collected during the test, including the body space displacement from the biological scanner, the total offset distance and offset distribution range are obtained according to the offset vector data, and the offset trajectory curvature and trajectory jitter are obtained as the basic data of the patient's stability index, including the patient's center of gravity movement collected from the plantar pressure sensor, which is expressed in the form of a center of gravity offset distribution heat map. At the same time, the patient's cognitive task completion is evaluated based on the data of the left and right tension sensors, and a comprehensive patient test score is obtained based on the above data.

[0066] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0067] The above is only an embodiment of the present invention. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the invention before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A cognitive-motor dual-task intelligent testing and training system, characterized in that: include: A three-dimensional rotating platform (1), a door frame type auxiliary frame (2), a plantar pressure film (3), an overhead scanning radar (4), a tension traction rope (5), a tension traction handle (6) and a dual-screen display control unit (7); the three-dimensional rotating platform (1) and the door frame type auxiliary frame (2) are in contact with the ground; the plantar pressure film (3) is laid on the three-dimensional rotating platform (1); the overhead scanning radar (4), one end of the tension traction rope (5) and the dual-screen display control unit (7) are installed on the door frame type auxiliary frame, and the other end of the tension traction rope (5) is connected to the tension traction handle (6).

2. The cognitive-motor dual-task intelligent testing and training system according to claim 1, characterized in that: The three-dimensional rotating platform (1) is a three-dimensional motion mechanism controlled by a computer and driven by a servo motor, providing different rotation swing speeds, fluctuation amplitudes and deflection angles.

3. The cognitive-motor dual-task intelligent testing and training system according to claim 2, characterized in that: The plantar pressure film (3) is a plantar mechanical sensor, specifically a group of dot matrix plane pressure sensors, which are laid on the patient's footrest area at the top of the three-dimensional rotating platform (1) and detect the user's center of gravity trajectory on the platform in real time by collecting the user's plantar pressure state.

4. The cognitive-motor dual-task intelligent testing and training system according to claim 3, characterized in that: The overhead scanning radar (4) is installed above the door frame type auxiliary frame (2) and senses the displacement of the human body in space in real time by scanning the position of the human body.

5. The cognitive-motor dual-task intelligent testing and training system according to claim 1, characterized in that: The dual-screen display control unit (7) is mounted on the door frame type auxiliary frame (2) and is located in front of the user, and is used to set test or training parameters and provide visual feedback information and an interactive operation environment for the user during testing or training.

6. The cognitive-motor dual-task intelligent testing and training system according to claim 4, characterized in that: One end of the two tension traction ropes (5) is mounted on the door frame auxiliary frame (2) and is located on the left and right sides of the user. The other end of the tension traction ropes (5) is connected to the tension traction handles (6). The tension traction handles (6) are equipped with tension sensors. When the user holds the two tension traction handles (6) during testing or training, the tension sensors on the tension traction handles (6) detect the tension changes on the left and right sides in real time and control the focus selection of the test.

7. The cognitive-motor dual-task intelligent testing and training system according to claim 6, characterized in that: The data from the plantar mechanical sensor, bioradar scanner and tension sensor are integrated in multiple dimensions, and a weighted dynamic balance algorithm is used to calculate the patient's postural stability index at different levels of difficulty based on the real-time collected mechanical data, spatial displacement data and tension feedback.

8. The cognitive-motor dual-task intelligent testing and training system according to claim 7, characterized in that: The weighted dynamic balance algorithm includes the following steps: Step 1. Data collection: real-time acquisition of center of gravity trajectory Coordinate data of Step 2, calculate the total offset distance, offset range, trajectory curvature, and trajectory jitter; Step 3, generating a center of gravity offset distribution heat map and a stability evaluation score; Step 4: Adjust the training plan or difficulty based on the evaluation results.

9. The cognitive-motor dual-task intelligent testing and training system according to claim 8, characterized in that: In step 1, the overhead scanning radar uses a depth camera to obtain the skeleton map of the human body, and further obtains the coordinates of each feature point of the human body. The plantar sensor is a sensor matrix, which returns the pressure distribution map of the sole of the foot. The center of gravity position of the human body at time t is calculated based on the plantar pressure distribution and the coordinates of each feature point of the human body. ; Center of gravity trajectory is represented as a 3D curve varying with time: ; The equilibrium point is set to .

10. The cognitive-motor dual-task intelligent testing and training system according to claim 9, characterized in that: In step 2, the offset vector is calculated: ; Calculate real-time offset distance: ; Calculate the total offset distance: , : Offset start time; : offset end time; Calculate the offset range: ; Calculate the trajectory curvature: ; in: : The first derivative of the trajectory (velocity vector); : The second derivative of the trajectory (acceleration vector); Calculate the trajectory jitter J: .

11. The cognitive-motor dual-task intelligent testing and training system according to claim 10, characterized in that: In step 3, in the xy plane, the trajectory is distributed according to the time density to generate a heat map, and the weight value of each grid is: ; : the i-th column of the grid, : the i-th row of the grid, where δ is the indicator function, counting the number of times the trajectory falls into each grid; Stability evaluation score: ; in, Dynamic adjustments are made based on the patient's specific manifestations.

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