CN107479716A - A kind of gesture recognition system based on capacitive sensing - Google Patents
A kind of gesture recognition system based on capacitive sensing Download PDFInfo
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- CN107479716A CN107479716A CN201710939464.2A CN201710939464A CN107479716A CN 107479716 A CN107479716 A CN 107479716A CN 201710939464 A CN201710939464 A CN 201710939464A CN 107479716 A CN107479716 A CN 107479716A
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- induction electrode
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/014—Hand-worn input/output arrangements, e.g. data gloves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The present invention provides a kind of gesture recognition system based on capacitive sensing, the system includes induction electrode component, electric shield layer, conductive material layer and recognition control circuit for being touched with human body skin, induction electrode component is fixedly mounted on the side that wearable main body deviates from human body skin, induction electrode component electrically connects with recognition control circuit, conductive material layer is fixedly mounted on the side that wearable main body touches human body skin, and the user of conductive material layer and recognition control circuit is electrically connected to ground.Electric shield layer is between induction electrode component and conductive material layer.The system of electric shield layer and recognition control circuit is electrically connected to ground, and recognition control circuit sends ground wire drive voltage signal to electric shield layer.Coupling effect is electrically connected using the achievable Low ESR connection of the present invention, electric shield, elimination.
Description
Technical field
The present invention relates to gesture recognition system technical field, specifically, being related to a kind of gesture identification based on capacitive sensing
System.
Background technology
The technology of gesture identification is gradually ripe, and the consumer application of currently the majority all is attempting to increase this identification work(
Energy, either smart home, the intelligence application field such as wearable, virtual reality (VR) and augmented reality (AR), add gesture
Control function is identified, must can turn into a big attraction of the application product.Gesture identification can bring many benefits, and function is dazzled
Extremely, it is easy to operate, good assist function is all served in many application scenarios.
In existing gesture recognition system, a kind of moved using camera to human hands carries out signature analysis so as to play
The effect of gesture identification.Another kind is to carry out sensing analysis by sensor, so as to obtain gesture operation.
However, user gesture is identified for the image shot by camera device, video, at the image of electronic equipment
Reason ability, recognition capability propose very high requirement, also, when image is identified electronic equipment, it is also desirable to take
Substantial amounts of hardware resource, such as substantial amounts of cpu resource and memory source are needed, sometimes cause electronic equipment operation slow.
Therefore, it has been proposed that collecting in the equipment including virtual reality (VR), augmented reality (AR) and intelligent watch
Into the remote gesture recognition system based on capacitive sensing, so as to detect the realization side of identification user palm/arm posture function
Case, realize that the systemic-function needs to solve following problem：1st, electric capacity is directly established between gesture recognition system ground wire and user
Low ESR connection in working sensor frequency；2nd, electricity is realized between gesture recognition system and the non-body part to be measured of user
Learn shielding；3rd, the coupled problem being electrically connected in electric capacity gesture recognition system and equipment between other systems；4th, in equipment volume
In the case of limited, gesture identification in three dimensions is realized；5th, interference signal caused by non-body part movement to be measured is distinguished, and
With body part to be measured（Palm/arm）Corresponding signal makes a distinction.
The content of the invention
It is an object of the invention to provide a kind of achievable Low ESR connection, electric shield, elimination to be electrically connected coupling effect
The gesture recognition system based on capacitive sensing.
To achieve these goals, the gesture recognition system provided by the invention based on capacitive sensing includes induction electrode group
Part, conductive material layer and recognition control circuit for being touched with human body skin, induction electrode component is fixedly mounted on wearable
Main body deviates from the side of human body skin, and induction electrode component is electrically connected with recognition control circuit, and conductive material layer is fixedly mounted on
Wearable main body touches the side of human body skin, and the user of conductive material layer and recognition control circuit is electrically connected to ground.
From such scheme, the present invention based on the gesture recognition system of capacitive sensing by set induction electrode component with
And with the conductive material layer that human body skin touches, induction electrode component and human body is formed the two poles of the earth of electric capacity, when arm is close
Form the effect of capacitive sensing during induction electrode component on object wearing device, the change by judging induced voltage judge arm or
Movement between palm is so that it is determined that gesture operation.In addition, conductive material layer by directly being touched with human body skin, can reduce is
The impedance of system connection, improve the induction precision of system.
In further scheme, the gesture recognition system based on capacitive sensing also includes：Electric shield layer, electric shield layer
Between induction electrode component and conductive material layer；The system of electric shield layer and recognition control circuit is electrically connected to ground, and is known
Other control circuit sends ground wire drive voltage signal to electric shield layer.
As can be seen here, because induction electrode component and the distance between conductive material layer are smaller, can equally deposit between the two
In the effect of capacitive sensing, meanwhile, equally existed between the human body skin of induction electrode component and conductive material layer near zone
Capacitive sensing effect, there can be large effect to the differentiation of gesture, therefore, between induction electrode component and conductive material layer
Electric shield layer is set, while recognition control circuit sends ground wire drive voltage signal to electric shield layer, makes electric shield layer
The voltage signal with induced signal same frequency is added, then they do not have electric field line between induction electrode, so as to shield
The human body skin of conductive material layer and its near zone, play the effect of shielding interference.
In further scheme, electric shield layer includes wearable device control circuitry layer and electricity strengthens screen layer, can
Object wearing device control circuitry layer is located at electricity and strengthened between screen layer position and conductive material layer；Wearable device control circuitry layer
Ground wire and electricity are strengthened system of the screen layer respectively with recognition control circuit and are electrically connected to ground, and recognition control circuit is respectively to can wear
Wear device control circuit layer and electricity strengthens screen layer and sends ground wire drive voltage signal.
As can be seen here, wearable main body would generally be provided with independent wearable device recognition control circuit layer, can wear
Wear equipment recognition control circuit layer to be arranged between electricity reinforcement screen layer and conductive material layer, avoid wearable device identification control
The edge effect triggered between circuit layer and induction electrode component processed, is interfered to identifying system.Meanwhile recognition control circuit
Strengthen screen layer to wearable device control circuitry layer and electricity respectively and send ground wire drive voltage signal, know wearable device
The ground wire and electricity of other control circuitry layer strengthen the frequency phase for the induced signal that screen layer is sensed with induction electrode component respectively
It is synchronous, so as to eliminate unexpected coupling effect.
In specific scheme, electric shield layer is carried out by the wire communication circuit with isolator and recognition control circuit
Information exchange；The ground wire of electric shield layer is electrically connected to ground by the system of the first buffer and recognition control circuit.
As can be seen here, need to be when electric shield layer carries out information exchange by wire communication circuit and recognition control circuit
Wire communication circuit sets isolator, carries out signal isolation, prevents recognition control circuit from obtaining what induction electrode component was sensed
Induced signal receives interference.
In another specific scheme, electric shield layer enters row information by radio communication circuit and recognition control circuit and handed over
Mutually；The ground wire of electric shield layer and the system of recognition control circuit are electrically connected to ground, and user's ground wire of recognition control circuit passes through
The system of second buffer and recognition control circuit is electrically connected to ground.
As can be seen here, radio communication circuit there are the effect of signal isolation in itself, therefore use radio communication circuit
When carrying out information exchange, it is not necessary to which isolator is set.In addition, by setting buffer to the ground of wearable device control circuitry layer
Line sends ground wire drive voltage signal, to further enhance signal, further weakens wearable device recognition control circuit layer
Ground wire and induction electrode component between coupling effect.
In further scheme, induction electrode component includes halfpace carrier, top induction electrode and side induction electrode,
The bottom surface of halfpace carrier is fixed in wearable main body, and at least one top induction electrode is fixed with the top of halfpace carrier, ladder
Four sides of platform carrier are respectively fixed with least one side induction electrode；Top induction electrode and side induction electrode point
Do not electrically connected with recognition control circuit.
As can be seen here, if all induction electrodes are in a plane, the distance between different inductors is too near, not the same feeling
Answer it is not clear and definite enough to the discrimination of induction region between electrode, can be by different induction electrodes using the halfpace arrangement mode of solid
Induction region be spaced further apart, so as to preferably identifying gesture.
In further scheme, the gesture recognition system based on capacitive sensing also includes：Gravity sensor, gravity sensor
It is fixedly mounted in wearable main body；Gravity sensor sends collection information to recognition control circuit.
As can be seen here, gyroscope or accelerometer are set in wearable main body, non-body part to be measured can be distinguished（Such as,
The head of fixed wearable main body）Interference signal caused by movement, and with body part to be measured（Palm/arm）Corresponding signal
Make a distinction, the information that gyroscope and accelerometer provide can be also complementary to one another with the induction information of induction electrode, there is provided more
Abundant Consumer's Experience.
In further scheme, conductive material layer is flexible conducting material layer.
As can be seen here, conductive material layer uses flexible conducting material, it is easier to is carried out according to the physiological camber of human body skin
Skin is bonded, the impedance between conductive material layer and human body is further reduced, improves systematic function.
Brief description of the drawings
Fig. 1 is the structure principle chart of the gesture recognition system embodiment of the invention based on capacitive sensing.
Fig. 2 is the structure principle chart of the gesture recognition system embodiment of the invention based on capacitive sensing.
Fig. 3 is wearable device control circuitry layer and knowledge in the gesture recognition system embodiment of the invention based on capacitive sensing
A kind of ground wire catenation principle figure of other control circuit.
Fig. 4 is wearable device control circuitry layer and knowledge in the gesture recognition system embodiment of the invention based on capacitive sensing
Another ground wire catenation principle figure of other control circuit.
Fig. 5 is the knot at one visual angle of induction electrode component in the gesture recognition system embodiment of the invention based on capacitive sensing
Structure block diagram.
Fig. 6 is another visual angle of induction electrode component in the gesture recognition system embodiment of the invention based on capacitive sensing
Structured flowchart.
Fig. 7 is the scheme of installation of gravity sensor in the gesture recognition system embodiment of the invention based on capacitive sensing.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Gesture recognition system position of the invention based on capacitive sensing is applied to such as virtual reality (VR), augmented reality (AR)
In the wearable device including intelligent watch, the function of identification user's palm or arm posture is detected for realizing.
As shown in figure 1, gesture recognition system of the present embodiment based on capacitive sensing includes induction electrode component 1, electricity screen
Layer 2, conductive material layer 4 and recognition control circuit 6 for being touched with human body skin 5 are covered, induction electrode component is fixedly mounted on
Wearable main body 3 deviates from the side of human body skin 5, and induction electrode component 1 electrically connects with recognition control circuit 6, conductive material layer 4
It is fixedly mounted on the side that wearable main body 3 touches human body skin 5, user's ground wire of conductive material layer 4 and recognition control circuit 6
Electrical connection.
Preferably, wearable main body 3 is made up of non-conducting material；Conductive material layer 4 is flexible conducting material layer, for example,
Conductive fabric or conductive foam etc..Electric shield layer 2 is between induction electrode component 1 and conductive material layer 4.Electric shield layer 1
It is electrically connected to ground with the system of recognition control circuit 6, recognition control circuit 6 sends ground wire driving voltage letter to electric shield layer 2
Number.User's ground wire of recognition control circuit 6 is used to electrically connect with conductive material layer 4, so that human body skin 5 and induction electrode group
Part 1 forms the two poles of the earth of electric capacity.The system ground wire of recognition control circuit 6 is the negative pole circuit in recognition control circuit 6.Need to illustrate
, wearable main body 3 is only used for fixing the effect of each part in the system, and in the case of no wearable main body 3, this is
Each part of system can also realize identical effect by above-mentioned steric structure.
Wherein, electric shield layer 2 can be the conductive structure layer of peripheral hardware independence, for example, cover copper printed circuit board (PCB) or
Independent electronic circuit module etc..Electronic shield layer 2 can be wrapped up by wearable main body 3, and wearable main body 3 is used as separation layer
Electronic shield layer 2 is isolated with other circuits, avoids the situation of short circuit occur with other circuits.Electronic shield layer 2 can also be only
The vertical outside for being arranged on wearable main body 3, but the space structure layer that need to be between induction electrode component 1 and conductive material layer 4,
For shielding the induced signal between induction electrode component 1 and conductive material layer 4 or non-body part to be measured.
Referring to Fig. 2, in the present embodiment, electric shield layer 2 includes electricity and strengthens screen layer 21 and wearable device control electricity
Road floor 22, wearable device control circuitry layer 22 are located at electricity and strengthened between screen layer position 21 and conductive material layer 4.Wherein, it is electric
The conductive structure layer for strengthening that screen layer 21 can be peripheral hardware independence is learned, such as covers the printed circuit board (PCB) of copper.Wearable device control electricity
Road floor 22 is settable to control the wearable device control circuit of wearable device, can also set other independent electronics electricity
Road, such as mobile phone, projection arrangement and motion detection block.The ground wire and electricity of wearable device control circuitry layer 22 strengthen shielding
21 system respectively with recognition control circuit 6 of layer is electrically connected to ground, and recognition control circuit 6 is respectively to wearable device control circuit
Layer 22 and electricity strengthen screen layer 21 and send ground wire drive voltage signal.
For those skilled in the art, electric shield layer 2 of the invention only can control electricity with wearable device
Road floor 21 can also realize the shield effectiveness between induction electrode component 1 and conductive material layer 4 or non-body part to be measured, electricity
Strengthen screen layer 21 to can be used for further preventing the coupling occurred between wearable device control circuitry layer 21 and induction electrode component 1
Close effect.
The circuit of the electric shield layer 2 of the present invention, can be by having when needing to carry out information exchange with recognition control circuit 6
The mode of line transmission or the mode being wirelessly transferred carry out information exchange with recognition control circuit 6.
Referring to Fig. 3, electric shield layer 2 is by with isolator（It is not shown）Wire communication circuit 7 with identification control electricity
Road 6 carries out information exchange.Wherein, isolator includes the components such as inductance is mutually even, electric capacity mutual idol, inductive, to carry out electricity
The signal isolation of screen layer 2 and recognition control circuit 6.The ground wire of electric shield layer 2 passes through the first buffer 9 and identification control electricity
The system on road 6 is electrically connected to ground.Recognition control circuit 6 is by getting sensing letter between induction electrode component 1 and human arm
After number, the ground wire of electric shield layer 2 is driven by the first buffer 9, makes the ground wire of electric shield layer 2 and the frequency of induced signal
It is synchronised, eliminates the coupling effect between electric shield layer 2 and induction electrode component 1.In addition, in wire communication circuit 7 every
It is also required to work in the working frequency of induced signal from device, further eliminates coupling effect.
Referring to Fig. 4, electric shield layer 2 carries out information exchange by radio communication circuit 70 and recognition control circuit 6.Wirelessly
Telecommunication circuit 70 includes the radio communication circuits such as bluetooth module or WiFi module.The ground wire of electric shield layer 2 and identification control electricity
The system on road 6 is electrically connected to ground, and user's ground wire of recognition control circuit 6 passes through the second buffer 90 and recognition control circuit 6
System is electrically connected to ground.Because radio communication circuit 70 carries out information exchange, between electric shield layer 2 and recognition control circuit 6
Circuit can play a part of signal isolation, thus no longer need to use isolator.In the case of without using isolator, by electricity
Screen layer 2 is learned with the system ground wire of recognition control circuit 6 to be connected, and be connected by user's ground wire with recognition control circuit 6
Second buffer 90 is driven so that and the frequency of voltage and induced signal on the ground wire of electric shield layer 2 is synchronised, to
Edge effect caused by weakening electric shield layer 2.The gain of second buffer 90 can be more than 1, to further enhance signal.
Referring to 5 and Fig. 6, induction electrode component 1 includes halfpace carrier 11, top induction electrode 12 and side induction electrode
13, the bottom surface of halfpace carrier 11 is fixed in wearable main body 3, and the top of halfpace carrier 11 is fixed with least one top sensing
Electrode 12, four sides of halfpace carrier 11 are respectively fixed with least one side induction electrode 13.Top induction electrode 12 with
And side induction electrode 13 electrically connects with recognition control circuit 6 respectively.Induction electrode is arranged in the top surface and four of halfpace carrier 11
On individual side, the vertical direction of each side is respectively directed in the most strong direction of the detectability of the induction electrode carried, will
The induction region of different induction electrodes is spaced further apart, so as to preferably identify gesture.This setting can be limited small-sized in volume
The more excellent identification to gesture in three dimensions is realized in equipment.
Referring to Fig. 7, in the present embodiment, the gesture recognition system based on capacitive sensing also includes gravity sensor 20, gravity
Inductor 20 is fixedly mounted in wearable main body 3, and gravity sensor 20 sends collection information to recognition control circuit 6.Wherein,
Gravity sensor 20 includes gyroscope or accelerometer.Gravity sensor 20 is added in gesture recognition system, and passes through gravity
The data that inductor 20 provides judge, and have the human body of wearable main body 3 to believe due to motion sensing for eliminating wearing
Number reading and judge caused by influence.The collection information that gravity sensor 20 provides can be also complementary to one another with induced signal,
So as to more accurately judge the action situation of human body parts to be measured.Gravity sensor 20 can be integrated in wearable device identification control
Circuit layer 22 processed, it can also be arranged on as independent electronic equipment in wearable main body 3.The collection information of gravity sensor 20
Recognition control circuit 6 can be transferred to by agreements such as USB interface, UART interface, blue tooth interfaces, and in recognition control circuit 6
It is middle to complete to calculate, so as to judge whether to be influenceed by non-body part motion to be measured.
For the present invention based on the gesture recognition system of capacitive sensing when being operated, recognition control circuit 6 obtains induced electricity
Induced signal between pole component 1 and body part to be measured, the shifting of body part to be measured is judged by the change of induced signal
Emotionally condition.Meanwhile when getting induced signal, recognition control circuit 6 is sent out according to the frequency of induced signal to electric shield layer 2
Ground wire drive voltage signal is sent, the frequency of the voltage on the ground wire of electric shield layer 2 and induced signal is synchronised, so as to weaken
Edge effect caused by electric shield layer 2.In order to avoid due to interference signal caused by non-body part movement to be measured, obtaining
While to induced signal, collection information that gravity sensor 20 provides to recognition control circuit 6, the basis of recognition control circuit 6
Collection information judges whether to be influenceed by non-body part motion to be measured, and it is due to motion and right to eliminate non-body part to be measured
Influenceed caused by the reading of induced signal and judgement, obtain final movements of parts of the body data to be measured.
From the foregoing, the present invention based on the gesture recognition system of capacitive sensing by set induction electrode component and with
The conductive material layer that human body skin touches, induction electrode component and human body is set to form the two poles of the earth of electric capacity, when arm is close to wearing
The effect of capacitive sensing is formed during induction electrode component on device, the change by judging induced voltage judges arm or palm
Between movement so that it is determined that gesture operation.In addition, conductive material layer by directly being touched with human body skin, can reduce system company
The impedance connect, improve the induction precision of system.Because induction electrode component and the distance between conductive material layer are smaller, both it
Between can equally have the effect of capacitive sensing, meanwhile, the human body skin of induction electrode component and conductive material layer near zone it
Between equally exist capacitive sensing effect, can have large effect to the differentiation of gesture, therefore, induction electrode component with it is conductive
Electric shield layer is set between material layer, while recognition control circuit sends ground wire drive voltage signal to electric shield layer, makes
Electric shield layer adds the voltage signal with induced signal same frequency, and then they do not have electric field between induction electrode
Line, so as to screening conductive material layer and its human body skin of near zone, play the effect that shielding is disturbed.
It should be noted that the preferred embodiments of the present invention are these are only, but the design concept invented is not limited thereto,
All insubstantial modifications made using this design to the present invention, are also each fallen within protection scope of the present invention.
Claims (8)
- A kind of 1. gesture recognition system based on capacitive sensing, it is characterised in that including induction electrode component, for human body skin The conductive material layer and recognition control circuit that skin touches, the induction electrode component are fixedly mounted on wearable main body and deviate from human body The side of skin, the induction electrode component are electrically connected with the recognition control circuit, and the conductive material layer is fixedly mounted on The wearable main body touches the side of human body skin, user's ground wire electricity of the conductive material layer and the recognition control circuit Connection.
- 2. the gesture recognition system according to claim 1 based on capacitive sensing, it is characterised in that the system is also wrapped Include：Electric shield layer, the electric shield layer is between the induction electrode component and the conductive material layer；The system of the electric shield layer and the recognition control circuit is electrically connected to ground, and the recognition control circuit is to the electricity Learn screen layer and send ground wire drive voltage signal.
- 3. the gesture recognition system according to claim 2 based on capacitive sensing, it is characterised in thatThe electric shield layer includes wearable device control circuitry layer and electricity strengthens screen layer, the wearable device control Circuit layer is located at the electricity and strengthened between screen layer position and the conductive material layer；The ground wire of the wearable device control circuitry layer and the electricity strengthen screen layer respectively with the recognition control circuit The system be electrically connected to ground, the recognition control circuit is respectively to the wearable device control circuitry layer and the electricity Strengthen screen layer and send the ground wire drive voltage signal.
- 4. the gesture recognition system according to claim 3 based on capacitive sensing, it is characterised in thatThe electric shield layer carries out information exchange by the wire communication circuit with isolator and the recognition control circuit；The ground wire of the electric shield layer is electrically connected to ground by the system of the first buffer and the recognition control circuit.
- 5. the gesture recognition system according to claim 3 based on capacitive sensing, it is characterised in thatThe electric shield layer carries out information exchange by radio communication circuit and the recognition control circuit；The ground wire of the electric shield layer is electrically connected to ground with the system of the recognition control circuit, the identification control electricity User's ground wire on road is electrically connected to ground by the system of the second buffer and the recognition control circuit.
- 6. the gesture recognition system based on capacitive sensing according to claim 4 or 5, it is characterised in thatThe induction electrode component includes halfpace carrier, top induction electrode and side induction electrode, the halfpace carrier Bottom surface is fixed in the wearable main body, and at least one top induction electrode is fixed with the top of the halfpace carrier, Four sides of the halfpace carrier are respectively fixed with least one side induction electrode；The top induction electrode and the side induction electrode electrically connect with the recognition control circuit respectively.
- 7. the gesture recognition system based on capacitive sensing according to claim 4 or 5, it is characterised in that the system is also Including：Gravity sensor, the gravity sensor are fixedly mounted in the wearable main body；The gravity sensor sends collection information to the recognition control circuit.
- 8. the gesture recognition system based on capacitive sensing according to claim 4 or 5, it is characterised in thatThe conductive material layer is flexible conducting material layer.
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| CN201710939464.2A CN107479716A (en) | 2017-09-30 | 2017-09-30 | A kind of gesture recognition system based on capacitive sensing |
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| CN113325782A (en) * | 2021-06-10 | 2021-08-31 | 陕西师范大学 | Immersion liquid dielectric constant capacitor array sensing device and system |
| WO2021258426A1 (en) * | 2020-06-23 | 2021-12-30 | 深圳市汇顶科技股份有限公司 | Capacitance detection apparatus and electronic device |
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| CN207397224U (en) * | 2017-09-30 | 2018-05-22 | 珠海普林芯驰科技有限公司 | A kind of gesture recognition system based on capacitive sensing |
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| WO2016210441A1 (en) * | 2015-06-26 | 2016-12-29 | Carnegie Mellon University | System for wearable, low-cost electrical impedance tomography for non-invasive gesture recognition |
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| CN110547770A (en) * | 2019-09-09 | 2019-12-10 | 南方科技大学 | Touch perception intelligent fabric and detection system and preparation method thereof |
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