CN113288123A - Flexible stretchable wearable device integrating joint angle measurement and motion posture measurement - Google Patents
Flexible stretchable wearable device integrating joint angle measurement and motion posture measurement Download PDFInfo
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- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
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- A61B5/14507—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue specially adapted for measuring characteristics of body fluids other than blood
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- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
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Abstract
本发明公开了一种集成关节角度测量与运动姿势测量的柔性可拉伸穿戴设备，包括可穿戴设备、设于所述可穿戴设备上的电源模块以及与所述电源模块电连接的可拉伸传感器、惯性传感器、肌电传感器、生物传感器、信号处理模块、数据处理模块、数据接口模块和无线模块，所述无线模块和所述数据接口模块与所述数据处理模块电连接，所述数据处理模块与所述信号处理模块电连接，所述信号处理模块与所述可拉伸传感器、所述惯性传感器、所述肌电传感器和所述生物传感器电连接。本发明设计新颖、结构简单、使用方便，不仅能够便于使用者的穿戴，而且能够便于使用者穿戴后运动，并且能够在运动时监测人体的关节和运动姿态。
The invention discloses a flexible stretchable wearable device integrating joint angle measurement and motion posture measurement, comprising a wearable device, a power module arranged on the wearable device, and a stretchable device electrically connected to the power module. sensor, inertial sensor, electromyography sensor, biosensor, signal processing module, data processing module, data interface module and wireless module, the wireless module and the data interface module are electrically connected with the data processing module, the data processing module The module is electrically connected with the signal processing module, and the signal processing module is electrically connected with the stretchable sensor, the inertial sensor, the myoelectric sensor and the biosensor. The invention is novel in design, simple in structure and convenient in use, not only convenient for the user to wear, but also convenient for the user to exercise after wearing, and can monitor the joints and movement posture of the human body during exercise.
Description
Technical Field
The invention relates to the field of wearable equipment, in particular to flexible stretchable wearable equipment integrating joint angle measurement and motion posture measurement.
Background
A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. Wearable equipment is not only a hardware equipment, realizes powerful function through software support and data interaction, high in the clouds interaction more, and wearable equipment will bring very big transition to our life, perception.
In the field of human body recognition, recognition of human body motion gestures has become a hot spot of current research. In recent years, with the rapid development of technologies such as human-computer interaction, human motion posture recognition technology has been widely used in various aspects such as competitive sports, rehabilitation, and motion sensing games. Although sensor-based human motion gesture recognition techniques have been rapidly developed in recent years, there have been many studies to accurately recognize several of the most basic gestures exhibited by the human body during activities of daily life. However, wearable human motion posture collectors are not uncommon at present.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides flexible stretchable wearable equipment integrating joint angle measurement and motion posture measurement.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a flexible stretchable wearable device integrating joint angle measurement and motion posture measurement comprises a wearable device, a power module arranged on the wearable device, and a stretchable sensor, an inertial sensor, an electromyographic sensor, a biosensor, a signal processing module, a data interface module and a wireless module which are electrically connected with the power module, wherein the wireless module and the data interface module are electrically connected with the data processing module, the data processing module is electrically connected with the signal processing module, and the signal processing module is electrically connected with the stretchable sensor, the inertial sensor, the electromyographic sensor and the biosensor; wherein:
the stretchable sensor is used for monitoring the pace, the stride and the pace frequency of a user and sending signals of the monitored pace, the stride and the pace frequency to the signal processing module;
the inertial sensor is used for monitoring the bounce height and the position information of the user and sending signals of the detected bounce height and the detected position information to the signal processing module;
the electromyographic sensor is used for monitoring the muscle movement biomechanics of the user and sending the detected muscle movement biomechanics signals to the signal processing module;
the biosensor is used for monitoring sweat of a user and sending a detected sweat signal to the signal processing module;
the signal processing module is used for processing the received signals and then sending the processed signals to the data processing module;
the data processing module is used for analyzing the processed signals and generating related data from the analyzed signals;
the wireless module is used for sending the data to the intelligent terminal;
the data interface module is used for being externally connected with the detection circuit module and the data acquisition unit so as to realize sensor correction and function detection;
and the power supply module is used for supplying power to each electronic element.
As a preferred solution of the present application, the wearable device 1 includes an outer layer 101, a waterproof packaging polymer layer 102, a conductive circuit layer 103, an elastic base layer 104, a waterproof layer 105, and an inner layer 106, which are sequentially disposed.
By adopting the technical scheme, the outer layer and the inner layer 106 are made of elastic breathable fabric; the waterproof packaging polymer layer is made of an insulating waterproof material and is used for protecting the built-in sensor from being corroded by rainwater, sweat and the like, and the sensor is prevented from being interfered by an external electromagnetic environment or from being accidentally triggered to cause short circuit and other risks; the conductive circuit layer comprises but is not limited to a conductive circuit made by screen printing, ink-jet printing, thermal transfer printing and coating of conductive ink paint; the elastic base layer is made of stretchable cloth; the insulating waterproof material can adopt elastic silicon rubber or adhesive; the waterproof layer 105 may also employ an elastic silicone rubber or adhesive and a nano-coating or waterproof film.
Ensure that the sensor is not interfered by external electromagnetic environment or risks such as short circuit caused by accident
As a preferred aspect of the present application, the wearable device comprises a wearable knee pad or elbow pad.
As a preferred solution of the present application, the stretchable sensor is made of a carbon-based conductive material or a liquid metal or an elastic conductive polymer.
By adopting the technical scheme, the stretchable sensor can still normally work after being stretched to the maximum 200%, and the conductive circuit manufactured by adopting the fabric and patterning forming technology including but not limited to screen printing, ink-jet printing, thermal transfer printing, conductive ink coating and other process means has good enough lightness, thinness and softness. In addition, the sensor elements support modular stacking, which may be distributed in different layers or locations of the wearable device. The sensor is encapsulated by silicone rubber or adhesive.
As a preferable aspect of the present application, the inertial sensor is provided outside the wearable device.
By adopting the technical scheme, the IMU inertial sensor is placed outside the wearable device, so that mechanical damage caused by squat or other actions of a user during internal measurement is avoided. Further, the IMU may include one or more motion sensors, such as gyroscopes and accelerometers, for measuring direction, position, velocity, acceleration, etc. of the subject (lower leg) to which the IMU may be attached.
As a preferable aspect of the present application, the electromyographic sensor and the biosensor are provided inside the wearable device.
By adopting the technical scheme, the EMG electromyographic sensor is attached to the upper half part of the knee pad/elbow pad for internal measurement and is attached to leg muscles, so that the accuracy of electromyographic signal testing is facilitated.
As a preferred solution of the present application, the biosensor is made based on a carbon-based conductive material or a liquid metal or an elastic conductive polymer.
By adopting the technical scheme, the patch type biosensor can collect sweat and perform multiple electrochemical analyses such as lactic acid, Na +, K + and pH value. The patch sensor is in integrated communication with a micro Printed Circuit Board (PCB). The skin patch can track the hydration level and oxygenation of the muscle, which is critical for fitness monitoring applications. These wearable biosensors can be used for clinical diagnostics and personalized point-of-care analysis.
As a preferred scheme of the present application, the wireless module includes a WIFI module and/or a bluetooth module.
By adopting the technical scheme, the wireless data transmission device is used for transmitting and receiving signals wirelessly, and realizes real-time and wireless data transmission. The method can be used for realizing interconnection with intelligent terminals such as smart phones and smart watches. The obtained data can be transmitted to application programs such as mobile phone software APP (application) such as Android or applet. The application program can perform visual display, data chart analysis and artificial intelligence exercise health state early warning and reminding on data read by the wearable device, access to external medical expert resources at the cloud end is supported, and diagnosis, suggestion and appointed personalized exercise health schemes are provided.
As a preferred aspect of the present application, the power module includes a thin film lithium battery or a solar cell panel.
As a preferred scheme of the application, the data interface module adopts one or more of a Type-C interface, a Micro USB interface or a Lightning interface.
The invention has the beneficial effects that:
1. the invention has novel design, simple structure and convenient use, can be conveniently worn by a user, can be conveniently worn by the user for movement, and can monitor the joints and the movement postures of the human body during movement;
2. the wearable equipment can perform visual display, data chart analysis and artificial intelligence exercise health state early warning and reminding on data read by the wearable equipment, supports access to external medical expert resources at the cloud end, and provides diagnosis, suggestions and appointed personalized exercise health schemes;
3. the invention recognizes the posture put out by the body part through the data analysis results of the stretchable sensor and the inertial sensor, and further improves the accuracy of the joint and motion posture recognition through the electromyographic sensor and the biosensor.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of a structure according to the present invention;
FIG. 2 is a schematic partial cross-sectional view of a wearable device according to the present invention;
FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
fig. 4 is a schematic diagram of a circuit framework according to the present invention.
The reference numbers in the figures illustrate: wearable equipment 1, power module 2, stretchable sensor 3, inertial sensor 4, flesh electric sensor 5, biosensor 6, signal processing module 7, data processing module 8, data interface module 9, wireless module 10, outer 101, waterproof encapsulation polymer layer 102, conducting wire layer 103, elastic base layer 104, waterproof layer 105, inlayer 106.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
referring to fig. 1 to 4, a flexible stretchable wearable device integrating joint angle measurement and motion posture measurement comprises a wearable device 1, a power module 2 arranged on the wearable device 1, a stretchable sensor 3 electrically connected with the power module 2, an inertial sensor 4, an electromyographic sensor 5, a biosensor 6, a signal processing module 7, a data processing module 8, a data interface module 9 and a wireless module 10, wherein the wireless module 10 and the data interface module 9 are electrically connected with the data processing module 8, the data processing module 8 is electrically connected with the signal processing module 7, and the signal processing module 7 is electrically connected with the stretchable sensor 3, the inertial sensor 4, the electromyographic sensor 5 and the biosensor 6; wherein:
the stretchable sensor 3 is used for monitoring the pace, the stride and the pace frequency of the user and sending signals of the monitored pace, the stride and the pace frequency to the signal processing module 7;
the inertial sensor 4 is used for monitoring the bounce height and the position information of the user and sending signals of the detected bounce height and the detected position information to the signal processing module 7;
the electromyographic sensor 5 is used for monitoring the muscle movement biomechanics of the user and sending the detected muscle movement biomechanics signals to the signal processing module 7;
the biosensor 6 is used for monitoring sweat of a user and sending a detected sweat signal to the signal processing module 7;
the signal processing module 7 is used for processing the received signals and then sending the processed signals to the data processing module 8;
the data processing module 8 is used for analyzing the processed signals and generating related data from the analyzed signals;
the wireless module 10 is used for sending the data to the intelligent terminal;
the data interface module 9 is used for being externally connected with the detection circuit module and the data acquisition unit so as to realize sensor correction and function detection;
and the power supply module 2 is used for supplying power to each electronic element.
As a preferred aspect of the present application, the wearable device 1 includes an outer layer 101, a waterproof packaging polymer layer 102, a conductive circuit layer 103, an elastic base layer 104, a waterproof layer 105, and an inner layer 106, which are sequentially disposed.
By adopting the technical scheme, the outer layer 101 and the inner layer 106 are made of elastic breathable fabric; the waterproof packaging polymer layer 102 is made of an insulating waterproof material and is used for protecting the built-in sensor from being corroded by rainwater, sweat and the like, and ensuring that the sensor is not interfered by an external electromagnetic environment or risks such as short circuit caused by accidents; the conductive circuit layer 103 includes, but is not limited to, a conductive circuit formed by screen printing, inkjet printing, thermal transfer printing, and coating with a conductive ink paint; the elastic base layer 104 is made of stretchable cloth; the insulating waterproof material can adopt elastic silicon rubber or adhesive; the waterproof layer 105 may also employ an elastic silicone rubber or adhesive and a nano-coating or waterproof film.
As a preferred solution of the present application, the wearable device 1 comprises a wearable knee or elbow pad.
As a preferred solution of the present application, the stretchable sensor 3 is made of a carbon-based conductive material or a liquid metal or an elastic conductive polymer.
By adopting the technical scheme, the stretchable sensor 3 can still normally work after being stretched to the maximum 200%, and the conductive circuit manufactured by adopting the fabric + patterning forming technology, including but not limited to screen printing, ink-jet printing, thermal transfer printing, conductive ink coating and other process means has good enough lightness, thinness and softness. Furthermore, the sensor elements support modular stacking, which may be distributed in different layers or locations of the wearable device 1. The sensor is encapsulated by silicone rubber or adhesive.
As a preferred aspect of the present application, the inertial sensor 4 is provided outside the wearable device 1.
By adopting the technical scheme, the IMU inertial sensor is placed outside the wearable device 1, so that mechanical damage caused by squat or other actions of a user during internal measurement is avoided. Further, the IMU may include one or more motion sensors, such as gyroscopes and accelerometers, for measuring direction, position, velocity, acceleration, etc. of the subject (lower leg) to which the IMU may be attached.
As a preferable aspect of the present application, the myoelectric sensor 5 and the biosensor 6 are provided inside the wearable device 1.
By adopting the technical scheme, the EMG electromyographic sensor is attached to the upper half part of the knee pad/elbow pad for internal measurement and is attached to leg muscles, so that the accuracy of electromyographic signal testing is facilitated.
As a preferred solution of the present application, the biosensor 6 is made based on a carbon-based conductive material or a liquid metal or an elastic conductive polymer.
By adopting the technical scheme, the patch type biosensor can collect sweat and perform multiple electrochemical analyses such as lactic acid, Na +, K + and pH value. The patch sensor is in integrated communication with a micro Printed Circuit Board (PCB). The skin patch can track the hydration level and oxygenation of the muscle, which is critical for fitness monitoring applications. These wearable biosensors can be used for clinical diagnostics and personalized point-of-care analysis.
As a preferred solution of the present application, the wireless module 10 includes a WIFI module and/or a bluetooth module.
By adopting the technical scheme, the wireless data transmission device is used for transmitting and receiving signals wirelessly, and realizes real-time and wireless data transmission. The method can be used for realizing interconnection with intelligent terminals such as smart phones and smart watches. The obtained data can be transmitted to application programs such as mobile phone software APP (application) such as Android or applet. The application program can perform visual display, data chart analysis and artificial intelligence exercise health state early warning and reminding on data read by the wearable device, access to external medical expert resources at the cloud end is supported, and diagnosis, suggestion and appointed personalized exercise health schemes are provided.
As a preferred solution of the present application, the power module 2 comprises a thin film lithium battery or a solar panel.
As a preferred scheme of the present application, the data interface module 9 adopts one or more of a Type-C interface, a Micro USB interface, and a Lightning interface.
As a preferred embodiment of the present application, the stretchable sensor 3 and the biosensor 6 can be produced by using, but not limited to, carbon-based conductive materials, liquid metals, elastic conductive polymers, etc., and by using, but not limited to, the above conductive new materials through screen printing, inkjet printing, micro-channel casting, large-scale roll-to-roll (R2R) and other manufacturing processes.
As a preferred embodiment of the present application, each sensor is firmly attached to the elastic base layer by welding, adhesive, or the like.
As a preferred scheme of this application, outer 101 bed of cloth and elasticity cloth basal layer realize the encapsulation of integrated structure through sewing technology.
As a preferred solution of the present application, the outer layer 101 cloth can be detached and cleaned separately.
As a preferred embodiment of the present application, the electrical interfaces of the sensors are connected in a unified manner by a circuit printed by screen printing or electronic deposition or the like on the elastic fabric substrate layer.
As a preferred scheme of the present application, the data processing module 8 employs an artificial intelligence edge computing processor to achieve real-time data acquisition and analysis.
As a preferred solution of the present application, the power module 2 can also be self-powered by tribo nanogenerator technology through kinetic energy harvesting, thereby reducing the weight of the device and providing flexibility and flexibility of the overall sensor conductive layer.
The invention is based on an electronic function system of intelligent textiles (conductive fabrics, printable and stretchable conductive materials and sensors thereof), and with the rapid development of material technology, wearable intelligent equipment can be better combined with textile clothes, so that the intelligent application of the textiles is realized. The wearable intelligent textile is implanted with the conductive fibers and the sensors, is combined with information and computer technology, monitors, tracks and records vital signs of a human body in real time in the application process, carries out auxiliary treatment and correction on diseases or incorrect movement postures, and brings comfortable experience for users by the wearing temperature of the interactive controllable textile, which is the convenience, flexibility and comfort brought by the wearable intelligent equipment to the users.
The invention creates a brand new way to comprehensively understand the human body and communicate with the human body through the whole body interface realized by the intelligent clothing system based on the intelligent textile. Applications of textile-based whole-body interfaces include overall diagnosis and treatment by remote or AI caregivers, deeper immersion into an extended reality environment for training and entertainment purposes, sensory enhancement/substitution for therapeutic and human enhancement purposes, and the like, by functionalizing different textile form factors on the human body, giving them the ability to capture different biometric data types and react to thermal, electrical, and tactile stimuli.
The mobile health medical treatment and individual personalized health and medical service are promoted globally at present, so that intelligent clothing and wearable sensing and measuring technology related products based on the flexible electronic technology are more visual and accurate due to skin affinity and stretchability of the intelligent clothing and the wearable sensing and measuring technology. The human body action and physiological information are collected, and the advantages of China on an artificial intelligence basic platform are combined, so that the human body action and physiological information collection system has great market value and social value in the fields of body-building, health and new consumption, old-age rehabilitation, virtual reality, augmented reality and the like.
The invention discloses product innovation of a flexible electronic technology in the field of artificial intelligent wearable health monitoring Internet of things and medical networks. The project is used for flexible wearable electronic textile products of running, body building, chronic diseases and sub-health crowds, integrated monitoring of human physiological parameters and motion data and artificial intelligence health and scientific motion guidance are achieved, and personalized motion and health monitoring are real-time, mobile and portable and human comfort.
Compared with other wearable systems, most of the electronic fabric type flexible wearable systems are light and soft, the use stability is high, the interference on the daily behaviors of the users is small, and better aesthetic feeling and comfort can be obtained by combining with the garment design. The fiber-based wearable system has wide application in the fields of human-computer interaction, medical care, Internet of things, transportation, intelligent cities and the like.
The invention is based on a sensor network technology, and the network system collects and fuses context information of human physiology, activity, position, environment and the like in real time through a wired (or wireless) network on the basis of wearable calculation, and processes the information locally or remotely to diagnose or predict the current or future physical condition of a user. The medical health monitoring system is a technical means integrating communication technology and computer technology into the medical field, can provide low-load, non-invasive and long-term continuous physiological monitoring for patients, realizes timely communication and real-time contact among the patients, hospitals and family members, and information exchange between the hospitals and the hospitals, is convenient for consultation, realizes information access and sharing in medical health monitoring, and greatly improves medical services.
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. The utility model provides a flexible wearing equipment of stretching of integrated joint angle measurement and motion posture measurement which characterized in that: the wearable device comprises a wearable device (1), a power supply module (2) arranged on the wearable device (1), and a stretchable sensor (3), an inertial sensor (4), an electromyographic sensor (5), a biosensor (6), a signal processing module (7), a data processing module (8), a data interface module (9) and a wireless module (10) which are electrically connected with the power supply module (2), wherein the wireless module (10) and the data interface module (9) are electrically connected with the data processing module (8), the data processing module (8) is electrically connected with the signal processing module (7), and the signal processing module (7) is electrically connected with the stretchable sensor (3), the inertial sensor (4), the electromyographic sensor (5) and the biosensor (6); wherein:
the stretchable sensor (3) is used for monitoring the pace, the stride and the pace frequency of the user and sending signals of the monitored pace, the stride and the pace frequency to the signal processing module (7);
the inertial sensor (4) is used for monitoring the bounce height and the position information of a user and sending signals of the detected bounce height and the position information to the signal processing module (7);
the electromyographic sensor (5) is used for monitoring the muscle movement biomechanics of a user and sending detected muscle movement biomechanics signals to the signal processing module (7);
a biosensor (6) for monitoring sweat of the user and sending the detected sweat signal to a signal processing module (7);
the signal processing module (7) is used for processing the received signals and then sending the processed signals to the data processing module (8);
the data processing module (8) is used for analyzing the processed signals and generating related data from the analyzed signals;
the wireless module (10) is used for sending the data to the intelligent terminal;
the data interface module (9) is used for being externally connected with the detection circuit module and the data acquisition unit so as to realize sensor correction and function detection;
and the power supply module (2) is used for supplying power to each electronic element.
2. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the wearable device (1) comprises an outer layer (101), a waterproof packaging polymer layer (102), a conductive circuit layer (103), an elastic base layer (104), a waterproof layer (105) and an inner layer (106) which are arranged in sequence.
3. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the wearable device (1) comprises a wearable knee or elbow pad.
4. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the stretchable sensor (3) is made based on a carbon-based conductive material or a liquid metal or an elastic conductive polymer.
5. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the inertial sensor (4) is arranged on the outer side of the wearable device (1).
6. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the myoelectric sensor (5) and the biosensor (6) are arranged on the inner side of the wearable device (1).
7. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the biosensor (6) is made on the basis of a carbon-based conductive material or a liquid metal or an elastic conductive polymer.
8. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the wireless module (10) comprises a WIFI module and/or a Bluetooth module.
9. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the power module (2) comprises a thin film lithium battery or a solar panel.
10. The flexible, stretchable wearable device integrating joint angle measurement and motion posture measurement according to claim 1, characterized in that: the data interface module (9) adopts one or more of a Type-C interface, a Micro USB interface or a Lightning interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110595885.4A CN113288123A (en) | 2021-05-29 | 2021-05-29 | Flexible stretchable wearable device integrating joint angle measurement and motion posture measurement |
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| CN202110595885.4A CN113288123A (en) | 2021-05-29 | 2021-05-29 | Flexible stretchable wearable device integrating joint angle measurement and motion posture measurement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113815707A (en) * | 2021-09-27 | 2021-12-21 | 同济大学 | Method and system for monitoring driver's steering wheel holding attitude |
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