CN110025452A - A kind of touch feedback ankle joint function training system based on brain-computer interface - Google Patents
A kind of touch feedback ankle joint function training system based on brain-computer interface Download PDFInfo
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- 238000012549 training Methods 0.000 title claims abstract description 56
- 210000000544 articulatio talocruralis Anatomy 0.000 title claims abstract description 32
- 230000008407 joint function Effects 0.000 title claims abstract description 20
- 210000004556 brain Anatomy 0.000 claims abstract description 23
- 230000005021 gait Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 13
- 210000003205 muscle Anatomy 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 42
- 210000003423 ankle Anatomy 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 26
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- 229960001030 mephenoxalone Drugs 0.000 claims description 9
- 210000000689 upper leg Anatomy 0.000 claims description 9
- 210000002414 leg Anatomy 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 210000003141 lower extremity Anatomy 0.000 claims description 4
- 210000003127 knee Anatomy 0.000 claims description 3
- 230000009023 proprioceptive sensation Effects 0.000 abstract description 6
- 206010017577 Gait disturbance Diseases 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 244000309466 calf Species 0.000 abstract description 3
- 239000000284 extract Substances 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 208000006011 Stroke Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 210000003710 cerebral cortex Anatomy 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/006—Apparatus for applying pressure or blows for compressive stressing of a part of the skeletal structure, e.g. for preventing or alleviating osteoporosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/10—Leg
- A61H2205/106—Leg for the lower legs
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Abstract
The invention discloses a kind of touch feedback ankle joint function training system based on brain-computer interface, including the plint used for user's training；User interface module, including display screen and host are capable of providing the animation based on stable state vision inducting and watch for user；Brain wave acquisition and processing module are acquired, filter and enhanced processing for watching the EEG signals that generate after animation to user, and processing result is transmitted to control feedback module；Feedback module is controlled, controls the intensity and frequency of vibration module by single-chip microcontroller according to EEG signals, vibration training, the position that user can be vibrated by being actively intended to controlled training side are carried out to the Calf muscle of user.The present invention extracts the EEG signals row touching training of user by the way of brain-computer interface, realizes and is actively intended to training；Based on the training of stable state vision inductive technology, gait cycle during Walk Simulation facilitates the proprioception and abnormal gait training of user.
Description
Technical field
The invention belongs to training device technical fields, and in particular to a kind of touch feedback ankle-joint function based on brain-computer interface
It can training system.
Background technique
Currently, usually passing through task training for the touching training of the ankle-joint of cerebral apoplexy user, increase user's
Proprioception input improves the excitement of injured nerve structure or new access is promoted to be formed to restore normal function.But it passes
The training of system is time-consuming and laborious, and due to being passive exercise, to cause user, participation is poor in the training process and then is unfavorable for
The nerve and Proprioception training of user.The development of brain-computer interface technology is that user is intended to go progress tactile anti-by active
Feedback training provides the foundation.
The abnormal gait of stroke user and the training of touch feedback are particularly significant, currently, existing training it is time-consuming and laborious and
It is lack of pertinence, lacks and go to realize that ankle-joint touch feedback and abnormal gait improve using the active intention of user.Therefore urgently
The touch feedback ankle joint function training method based on brain-computer interface need to be carried out.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of based on brain machine
The touch feedback ankle joint function training system of interface, imparting vibration on tibialis anterior raising dorsiflex ability using shake prevents
With clapping, improve sufficient gap prevents toe from mopping floor to sole, imparts vibration on gastrocnemius using shake and improves the increasing of plantar flexion muscle performance
Add propulsive force, improves leg speed, meanwhile, the proprioception of user can be improved in oscillator acting muscle.
The invention adopts the following technical scheme:
A kind of touch feedback ankle joint function training system based on brain-computer interface characterized by comprising
Plint is used for user's training；
User interface module, including display screen and host are capable of providing the animation based on stable state vision inducting for using
Person's viewing；
Brain wave acquisition and processing module, for being acquired, filtering to the EEG signals generated after user's viewing animation
And enhanced processing, and processing result is transmitted to control feedback module；
Feedback module is controlled, the intensity and frequency of vibration module are controlled by single-chip microcontroller according to EEG signals, to user
Calf muscle carry out vibration training, user can by be actively intended to controlled training side vibrate position.
Specifically, brain wave acquisition and processing module include that amplifier, filter and brain electricity cap, display screen are placed on
And be connected by signal wire with host, amplifier is fixed on the back side of plint with filter；Brain electricity cap is arranged in user's
Head, brain electricity cap, filter, amplifier pass sequentially through signal wire with host and are connected.
Specifically, control feedback module includes that angle detection module, shake submodule and single-chip microcontroller, single-chip microcontroller are fixed on training
It on chair, is connect with host, angle detection module is arranged in user's ankle；Shake submodule is arranged in the shank of user
On, angle detection module is connected with shake submodule respectively at single-chip microcontroller.
Further, angle detection module includes ankle elastic woven material, gyroscope, square magic patch and elastic webbing；Gyro
Instrument is arranged on ankle elastic woven material, positioned at the ankle of user；One end of elastic webbing and the side of ankle elastic woven material
Connection, the other end are fixed on the other side of ankle elastic woven material by square magic patch, and gyroscope is connect with single-chip microcontroller.
Further, shake submodule includes outer layer elastic woven material, rear side shake, elongated velcro, front side shake and internal layer
Elastic woven material；Nearly knee position and nearly ankle position are sewed together outer layer elastic woven material with internal layer elastic woven material；Rear side shake son with
Front side shake is set in qually spaced in respectively between internal layer elastic woven material and outer layer elastic woven material, and elongated velcro is sewn in outer elastic
Shank side is placed on cloth.
Further, rear side shake is arranged on the gastrocnemius of posterior leg；Front side shake is arranged on front side of shank
On tibialis anterior.
Further, single-chip microcontroller is connected respectively at angle detection module with shake submodule by bluetooth module.
Specifically, the animation that display screen plays includes information alert unit and animation unit；Information alert unit includes height
Frequency Newton's ring and low frequency Newton's ring；High-frequency Newton's ring and low frequency Newton's ring are alternately distributed in three phases；Animation list
Member includes animated character and walking phase；Animated character is initially located at the first stage start position of walking phase；Walking phase
Three slave parts of corresponding gait cycle, first stage and phase III correspond to the dorsiflex associated phase of gait cycle, and second
Stage corresponds to the plantar flexion associated phase of gait cycle.
Further, by first high-frequency Newton's ring, by controlling the shake submodule of feedback module for effect of vibration
In tibialis anterior, angle detection module measures ankle joint angle information and uploads and control animated character's point from the first stage
It sets before running to heeloff；By low frequency Newton's ring, shakes submodule and impart vibration on gastrocnemius, animation unit carries out
Dorsiflex prompt shakes submodule and imparts vibration on tibialis anterior by second high-frequency Newton's ring；Animated character comes back to
The start position of first stage.
Specifically, being provided with pressure liftable structure, thigh band and chest strap on plint, pressure liftable structure is for adjusting instruction
Practice the height of chair, thigh band and chest strap are respectively by user's training side lower limb and back fixation on plint.
Compared with prior art, the present invention at least has the advantages that
A kind of touch feedback ankle joint function training system based on brain-computer interface of the present invention, system is using brain-computer interface
Mode extracts the EEG signals row touching training of user, realizes and is actively intended to training；Instruction based on stable state vision inductive technology
Practice, gait cycle during Walk Simulation, facilitates the proprioception and abnormal gait training of user；Shake submodule is made respectively
For plantar flexion in walking process and the relevant muscle of dorsiflex, the touch feedback in people's walking process is accurately simulated.Pass through brain machine
Interface Controller shakes submodule and realizes the touch feedback being actively intended to, the feedback stimulation of user interface system real-time vision, multi-mode
Feedback more peomotes patients ' recovery.
Further, due to being connected between amplifier, filter and brain electricity cap by signal wire, amplifier and filter
It is fixed on behind plint, wears brain electricity cap convenient for user；Display screen is placed on and face user, can be according to different use
The position of the demand adjustment display screen at family.
Further, due to being connected between single-chip microcontroller and shake submodule by signal wire, single-chip microcontroller is fixed on training
Shake submodule is dressed convenient for user in the bottom of chair；Angle detection module is located at ankle, can detect ankle-joint in real time
Rotational angle, and signal is passed into single-chip microcontroller.
Further, ankle elastic woven material can carry out deformation appropriate according to the otherness of user's ankle shape, soft
And keep user more comfortable；Gyroscope is arranged in the surface of ankle elastic woven material and is located at ankle, does not influence user's
Wearing comfort degree and the angle of energy real-time monitoring ankle-joint rotation；Ankle elastic fabric is fixed in elastic webbing one end and the other end is logical
The other side that square magic patch is fixed on ankle elastic woven material is crossed, user is facilitated to wear off angle detection module.
Further, outer layer elastic woven material and internal layer elastic woven material sufficiently wrap up the shank of user, soft and comfortable；Rear side
Shake and front side shake son and are set in qually spaced between internal layer elastic woven material and outer layer elastic woven material respectively, guarantee to shake sub- position and prevent
Only donning process shake falls off；Shape velcro, which is sewn on outer elastic cloth, is placed in shank side, dresses shake convenient for user
Module；Rear side shake is arranged on the gastrocnemius of posterior leg, and front side shake is arranged on the tibialis anterior on front side of shank, is used for
Restore the tactile of user's plantar flexion and dorsiflex.
Further, the high-frequency Newton's ring of information alert unit and low frequency Newton's ring carry out visual stimulus simultaneously to user
Corresponding EEG signals are generated, the shake submodule by controlling feedback module imparts vibration on related muscles, angle detection module
It measures ankle joint angle information and uploads and control animated character's walking, increase the interest of haptic feedback process；Shake submodule and
Tactile and vision multi-modal feedback are realized in the mutually coordinated cooperation of animation unit, facilitate the recovery of User-ontology feeling.
Further, the height of Pneumatic type lifting adjustable structure recovery chair guarantees that the knee joint of user is 90 °；Thigh
Band and chest strap are elastic woven material and pass through velcro respectively by the Ipsilateral lower limb of user and back fixation on plint, are prevented
The measuring accuracy of the wobble effects angle detection module of body.
In conclusion the present invention is easy to wear, help to reduce the time before training；Shake submodule, angle detection
Module uses elastic woven material, and soft comfortable simultaneously can carry out deformation according to user's body otherness；Plint uses Pneumatic type lifting
Cooperation uses between structure and thigh band and chest strap, guarantees that user's ankle-joint is right angle and guarantees angle detection module
Precision；It shakes submodule and animation unit is harmonious, realize vision and tactile multi-modal feedback, facilitate User-ontology feeling
Restore.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is present system schematic diagram；
Fig. 2 is that the present invention is based on the animation display interface schematic diagrames of stable state vision inducting technology；
Fig. 3 is brain wave acquisition of the present invention and processing module schematic diagram；
Fig. 4 is angle detection module schematic diagram of the present invention；
Fig. 5 is present invention shake sub-modular structure schematic diagram；
Fig. 6 is present invention shake submodule arrangement schematic diagram, wherein (a) is gastrocnemius, (b) is tibialis anterior；
Fig. 7 is training system control flow schematic diagram of the present invention.
Wherein: 1. display screens；2. host；3. angle detection module；4. shaking submodule；5.. single-chip microcontroller；6. pressure liftable knot
Structure；7. thigh band；8. plint；9. chest strap；10. amplifier；11. filter；12. brain electricity cap；13. information alert unit；14.
Animation unit；15. high-frequency Newton's ring；16. low frequency Newton's ring；17. animated character；18. walking phase；19. gait cycle；
31. ankle elastic woven material；32. gyroscope；33. square magic pastes；34. elastic webbing；41. outer layer elastic woven material；42. rear side shake
Son；43. elongated velcro；44. front side shake；45. inner elastic cloth.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side ", " one end ", " one side " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The invention discloses a kind of touch feedback ankle joint function training system based on brain-computer interface, utilizes single-chip microcontroller control
System shake submodule vibrates and imparts vibration on user's Calf muscle, and user can be intended to control user's instruction by active
Practice the position of side vibration, single-chip microcontroller controls the intensity and frequency of vibration module.Use is realized by visual stimulus by establishing
The touch feedback of person's training side, achievees the effect that a kind of pair of user's proprioception is trained.
Referring to Fig. 1, a kind of touch feedback ankle joint function training system based on brain-computer interface of the present invention, including display
Screen 1, host 2, angle detection module 3, shake submodule 4, single-chip microcontroller 5, pressure liftable structure 6, thigh band 7, plint 8, chest strap
9, amplifier 10, filter 11 and brain electricity cap 12；
Display screen 1 is placed on and is connected by signal wire with host 2；Angle detection module 3 is arranged in user
Ankle；Shake submodule 4 is arranged on the shank of user；
Single-chip microcontroller 5 is fixed on plint 8, is connect with host 2, single-chip microcontroller 5 be built-in with bluetooth module for control shake it is sub
Module 4；Pressure liftable structure 6 can adjust the height of plint 8, guarantee that the knee joint of user is 90 °；Thigh band 7 and chest strap 9
Be elastic woven material and by velcro respectively by the user of user training side lower limb and back fixation on plint 8,
Prevent the measuring accuracy of the wobble effects angle detection module 3 of body；Amplifier 10 and filter 11 are fixed on the back of plint 8
Face；Brain electricity cap 12, filter 11, amplifier 10 pass sequentially through signal wire with host 2 and are connected.
Referring to Fig. 2, the animation that display screen 1 plays includes information alert unit 13 and animation unit 14；Information alert list
Member 13 includes high-frequency Newton's ring 15 and low frequency Newton's ring 16；High-frequency Newton's ring 15 and low frequency Newton's ring 16 are alternately distributed
Three different stages；Animation unit 14 includes animated character 17 and walking phase 18；Animated character 17 is initially at row
Walk the first stage start position in stage 18；Three slave parts of the corresponding gait cycle 19 of walking phase 18, the first stage and
Phase III corresponds to the dorsiflex associated phase of gait cycle 19, and second stage corresponds to the plantar flexion associated phase of gait cycle 19.
Further, the user interface that information alert unit 13 and animation unit 14 form simulates people's gait cycle 19, has
Help the abnormal gait correction of user, animation process are as follows:
Firstly, user watches first high-frequency Newton's ring 31 attentively, handling by brain wave acquisition and shaking submodule 4 will vibrate
Tibialis anterior is acted on, angle detection module 3 measures ankle joint angle information and uploads and control animated character 17 from the first stage
Start position run to heeloff before；
Then, according to plantar flexion prompt information, user watches low frequency Newton's ring 16 attentively, acquires EEG signals and controls shake
Module 4 imparts vibration on gastrocnemius, and after toe is liftoff, animation unit 14 carries out dorsiflex prompt, and user watches second attentively
The EEG signals control shake submodule 4 of high-frequency Newton's ring 15, induction imparts vibration on tibialis anterior；
Finally, animated character 17 comes back to the start position of first stage, trained next time.
Referring to Fig. 3, brain electricity cap 12 acquires the EEG signals of user, the arrangement of brain electricity cap 12 follows international 10-20 system
System；Eeg signal acquisition position is Pz, PO3, O1, Oz, O2 and PO4 point of world 10-20 system；Then, EEG signals pass through
After the filtering of filter 11 and amplifier 10 amplify, it is transferred to host 2；Host 2 is using canonical correlation analysis algorithm to user's base
It extracts correlated frequency in the corresponding EEG signals of the cerebral cortex of stable state vision inducting and is converted to control instruction and pass to monolithic
Machine 5.
Referring to Fig. 4, angle detection module 3 includes ankle elastic woven material 31, gyroscope 32, square magic patch 33 and elasticity
Band 34；32 built Bluetooth module of gyroscope is simultaneously fixed on ankle elastic woven material 31, is located on user's ankle-joint after wearing；Bullet
Property 34 one end of band be sewn in the side of ankle elastic woven material 31 and the other end by square magic patch 33 is fixed on ankle elastic woven material
31 other side is dressed convenient for user.
Referring to Fig. 5, shake submodule 4 includes outer layer elastic woven material 41, rear side shake 42, elongated velcro 43, front side shake
Son 44 and internal layer elastic woven material 45；The nearly knee position and the sewing of nearly ankle position of outer layer elastic woven material 41 and internal layer elastic woven material 45 exist
Together；Rear side shake 42 and the equidistant dispersion of front side shake 44 be fixed on internal layer elastic woven material 45 and outer layer elastic woven material 41 it
Between；Elongated velcro 43, which is sewn on outer elastic cloth 41, is placed in shank side, convenient for wearing.
Referring to Fig. 6, rear side shake 42 is arranged on the gastrocnemius of posterior leg；Front side shake 44 is arranged on front side of shank
Tibialis anterior on.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being described and shown in usually here in attached drawing is real
The component for applying example can be arranged and be designed by a variety of different configurations.Therefore, below to the present invention provided in the accompanying drawings
The detailed description of embodiment be not intended to limit the range of claimed invention, but be merely representative of of the invention selected
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 7, a kind of work side of the touch feedback ankle joint function training system based on brain-computer interface of the present invention
Method is as follows:
Firstly, high-frequency Newton's ring 15 and 16 configuration information prompt unit 13 of low frequency Newton's ring, user watches information attentively
Prompt unit 13 generates corresponding EEG signals；
Secondly, brain electricity cap 12, which acquires information alert unit 13, prompts corresponding EEG signals produced by user, through filtering
The filtering of wave device 11 and amplifier 10 amplify；EEG signals are handled, and processing result is converted into control instruction；
Then, single-chip microcontroller 5 receives control command and controls shake submodule 4, and shake submodule 4 imparts vibration on user's phase
Turn down leg muscle；Angle detection module 3 measures ankle joint angle information and is uploaded to host 2 by built-in bluetooth module；
Finally, host control animation unit 14 plays, user selects the newton of the different frequency of information alert unit 13
Ring, final animation unit 14 finish and restart；
Further, user can be intended to control the muscle position of vibration user's training side and realize user by active
The touch feedback of training side, the oscillation intensity and frequency of the control shake submodule 4 of single-chip microcontroller 5；And then realize that information alert is anti-in real time
It presents and enhances trained effect.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of touch feedback ankle joint function training system based on brain-computer interface characterized by comprising
Plint is used for user's training；
User interface module, including display screen (1) and host (2) are capable of providing the animation based on stable state vision inducting for making
User's viewing；
Brain wave acquisition and processing module are acquired, filter and put for watching the EEG signals generated after animation to user
Big processing, and processing result is transmitted to control feedback module；
Feedback module is controlled, the intensity and frequency of vibration module are controlled by single-chip microcontroller according to EEG signals, to the small of user
Leg muscle carries out vibration training, the position that user can vibrate by being actively intended to controlled training side.
2. the touch feedback ankle joint function training system according to claim 1 based on brain-computer interface, which is characterized in that
Brain wave acquisition and processing module include amplifier (10), filter (11) and brain electricity cap (12), and display screen (1) is placed on
And be connected by signal wire with host (2), amplifier (10) is fixed on the back side of plint (8) with filter (11)；Brain electricity cap
(12) head of user is set, and brain electricity cap (12), filter (11), amplifier (10) and host (2) pass sequentially through signal
Line is connected.
3. the touch feedback ankle joint function training system according to claim 1 based on brain-computer interface, which is characterized in that
Control feedback module includes that angle detection module (3), shake submodule (4) and single-chip microcontroller (5), single-chip microcontroller (5) are fixed on plint
(8) it on, is connect with host (2), angle detection module (3) is arranged in user's ankle；Shake submodule (4) is arranged in use
On the shank of person, angle detection module (3) and shake submodule (4) are connected respectively at single-chip microcontroller (5).
4. the touch feedback ankle joint function training system according to claim 3 based on brain-computer interface, which is characterized in that
Angle detection module (3) includes ankle elastic woven material (31), gyroscope (32), square magic patch (33) and elastic webbing (34)；Top
Spiral shell instrument (32) is arranged on ankle elastic woven material (31), positioned at the ankle of user；One end of elastic webbing (34) and ankle
The side of elastic woven material (31) connects, and the other end is fixed on the another of ankle elastic woven material (31) by square magic patch (33)
Side, gyroscope (32) are connect with single-chip microcontroller (5).
5. the touch feedback ankle joint function training system according to claim 3 based on brain-computer interface, which is characterized in that
Shake submodule (4) includes that shake sub (42), elongated velcro (43), front side shake (44) and interior for outer layer elastic woven material (41), rear side
Layer elastic woven material (45)；The nearly knee position and nearly ankle position of outer layer elastic woven material (41) and internal layer elastic woven material (45) are sewed one
It rises；Rear side shakes sub (42) and front side shakes sub (44) and is set in qually spaced in internal layer elastic woven material (45) and outer layer elastic woven material respectively
(41) between, elongated velcro (43) is sewn on outer elastic cloth (41) and is placed in shank side.
6. the touch feedback ankle joint function training system according to claim 5 based on brain-computer interface, which is characterized in that
Rear side shakes sub (42) and is arranged on the gastrocnemius of posterior leg；Front side shakes sub (44) and is arranged on the tibialis anterior on front side of shank.
7. the touch feedback ankle joint function training system according to claim 4 or 5 based on brain-computer interface, feature exist
In single-chip microcontroller (5) is connected by bluetooth module respectively at angle detection module (3) and shake submodule (4).
8. the touch feedback ankle joint function training system according to claim 1 based on brain-computer interface, which is characterized in that
The animation that display screen (1) plays includes information alert unit (13) and animation unit (14)；Information alert unit (13) includes height
Frequency Newton's ring (15) and low frequency Newton's ring (16)；High-frequency Newton's ring (15) and low frequency Newton's ring (16) are alternately distributed
Three phases；Animation unit (14) includes animated character (17) and walking phase (18)；Animated character (17) is initially located at walking
The first stage start position in stage (18)；Three slave parts of walking phase (18) corresponding gait cycle (19), the first rank
Section corresponds to the dorsiflex associated phase of gait cycle (19) with the phase III, and second stage corresponds to the plantar flexion auxiliary of gait cycle (19)
Stage.
9. the touch feedback ankle joint function training system according to claim 8 based on brain-computer interface, which is characterized in that
By first high-frequency Newton's ring (31), the shake submodule (4) by controlling feedback module imparts vibration on tibialis anterior,
Angle detection module (3) measures ankle joint angle information and uploads and control start position row of the animated character (17) from the first stage
It walks to before heeloff；By low frequency Newton's ring (16), shakes submodule (4) and impart vibration on gastrocnemius, animation unit
(14) dorsiflex prompt is carried out, by second high-frequency Newton's ring (15), submodule (4) is shaken and imparts vibration on tibialis anterior；
Animated character (17) comes back to the start position of first stage.
10. the touch feedback ankle joint function training system according to claim 1 based on brain-computer interface, feature exist
In being provided with pressure liftable structure (6), thigh band (7) and chest strap (9) on plint (8), pressure liftable structure (6) is for adjusting
The height of whole plint (8), thigh band (7) and chest strap (9) are respectively by user's training side lower limb and back fixation in plint
(8) on.
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