CN105867628A - Flexible electronic skin based smart home gesture control system and control method - Google Patents
Flexible electronic skin based smart home gesture control system and control method Download PDFInfo
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- CN105867628A CN105867628A CN201610242206.4A CN201610242206A CN105867628A CN 105867628 A CN105867628 A CN 105867628A CN 201610242206 A CN201610242206 A CN 201610242206A CN 105867628 A CN105867628 A CN 105867628A
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- Prior art keywords
- flexible electronic
- character recognition
- electronic skin
- hand
- chip microcomputer
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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
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
- G06V40/28—Recognition of hand or arm movements, e.g. recognition of deaf sign language
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
Abstract
The invention relates to a flexible electronic skin based smart home gesture control system and a control method. The system comprises a gesture signal acquisition unit, a character recognition unit, a single-chip microcomputer and an infrared module. A flexible electronic skin sensor adhered to a hand back detects hand back motions of a user making various gestures and inputs obtained electric signals into the character recognition unit, and recognized results correspond to certain codes of the single-chip microcomputer; an infrared circuit converts codes of the single-chip microcomputer into infrared codes of household appliances and transmits through an infrared transmitter to control corresponding functions of the household appliances, so that smart control of the various household appliances is realized by means of various gestures. The flexible electronic skin based smart home gesture control system has advantages of simple structure, convenience in use, light weight, high reliability, portability, low cost and conduciveness to industrialization and is high in practicality as novel smart home equipment.
Description
Technical field
The present invention relates to sensor, signal processing technology and the field such as radio sensing network, Internet of Things, especially
It relates to a kind of Smart Home gestural control system based on flexible electronic skin and control method, belongs to intelligence
Control and Internet of Things field.
Background technology
Intelligence wearable device is as a kind of novel wearable device, and its research temperature constantly promotes, its application
Field is more and more extensive.Wearable device is not only a kind of hardware device, especially by software support with
And data interaction, high in the clouds realize powerful function alternately, wearable device will be to our life, sense
Know and bring the biggest transformation.
Smart Home is with house as platform, has both building, network service, information household appliances, equipment automatization,
Collecting system, structure, service, manage efficient, comfortable, safe and convenient, the inhabitation ring of environmental protection being integrated
Border.Smart Home can be defined as a system.It utilize advanced computer technology, network communications technology,
Comprehensive wiring technology, by each subsystem relevant with life staying idle at home, be organically combined into a total system,
Managed as a whole by entirety, make life staying idle at home more comfortable, safely, effectively.Compared with common household, intelligence
Household can not only have traditional inhabitation function, it is provided that comfortable safety, high-grade and pleasant family life are empty
Between；Also it is changed into the instrument with active wisdom by original passive static structures, it is provided that omnibearing information is handed over
Change function, help family to keep information interchange unimpeded with outside, optimize the life style of people, help people
Effectively arrange the time.
Existing IR remote controller makes its structure complicated due to the restriction of hardware, poor practicability, and convenience is poor,
Operation complexity, complex operation step, it has not been convenient to carry, equipment needed thereby is many, and, its intelligent difference, press
Key also can be regular malfunctioning, the rhythm of life the fastest with people is incompatible.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of intelligence based on flexible electronic skin
Can household gestural control system and control method.
It is an object of the invention to be achieved through the following technical solutions: a kind of intelligence based on flexible electronic skin
Household gestural control system, including hand signal collecting unit, character recognition unit, single-chip microcomputer, infrared mould
Block；Described hand signal collecting unit includes flexible electronic skin, the back of the hand when various gesture is gesticulated in collection
Motion produces strain, and exports as electronic signals；Described character recognition unit is for adopting hand signal
The signal of collection unit collection is compared with the data of storage in its database, it is achieved character recognition；Described list
Sheet machine is the binary code that the character of character recognition unit identification is compiled into correspondence, and controls infrared module and send out
Go out corresponding control signal, household electrical appliance are controlled.
Further, described flexible electronic skin is prepared by the following method and obtains: by Cu nano wire-graphite
Alkene film cuts the strip of 2cm × 0.5cm, two ends elargol is stained with copper cash, then embeds polydimethylsiloxanes
In alkane (PDMS), it is placed in 2h in 70 DEG C of air dry ovens, makes flexible electronic skin.Described Cu nano wire
The preparation method of-graphene film is as follows:
(1) in 20-25mL ethylene glycol solution, add 20-42mgCu nano wire, add after being uniformly dispersed
48-54mg ascorbic acid, adds 3-3.8mL graphene oxide, moves in hydrothermal reaction kettle after being uniformly dispersed,
It is placed in 120-160 DEG C of air dry oven reaction 4-6h, is cooled to room temperature, just obtains Cu nano wire
-Graphene composite aquogel.
(2) Cu prepared nano wire-Graphene composite aquogel is placed in 0.5wt% hydrazine hydrate solution
Dialysis 16h, further takes out to pour in 150mL deionized water and is uniformly dispersed, obtain suspension, then filter with core
Device suction filtration, just obtains Cu nano wire-graphene film.
Further, described database is set up by the following method: flexible electronic skin is sticked in user's hand
Back, gathers the strain that when user gesticulates various gesture, the back of the hand motion produces, and stores as electronic signals
In character recognition unit；Each appliance name or every kind of function correspondence one gesture, i.e. have one corresponding
Signature waveform.
Further, described appliance name is air-conditioning, and described function includes: freezes, heat, dry, rise
Temperature, lower the temperature, put wind etc..
A kind of Smart Home gestural control method, comprises the following steps:
(1) flexible electronic skin is sticked in the back of the hand surrounding, gather the back of the hand motion when user gesticulates various gesture
The strain produced, and it is sent to character recognition unit as electronic signals, each appliance name or each merit
Can corresponding a kind of gesture produce and a signal waveform；
(2) character recognition unit utilizes database, by artificial neural network recognizer, in the signal of telecommunication
Each waveform be identified, identify appliance name and required function；
(3) character of character recognition unit identification is compiled into the binary code of correspondence by single-chip microcomputer, and controls red
Outer mold piece sends corresponding control signal, is controlled household electrical appliance.
Further, the single-chip microcomputer that single-chip microcomputer can use model to be STC89C51.
Further, infrared module includes a crystal oscillating circuit, produces a clock frequency synchronized.
The advantage of present system is: is combined with flexible electronic skin by Smart Home and is controlled by gesture
The function setting of household electrical appliance processed, by the technological applications of forefront to daily life, makes life more
Convenient and comfortable, abandon traditional infrared remote controller hardware device complicated, it has not been convenient to carry, cost is high, body
The shortcoming such as long-pending big, and this intelligent apparatus side of carrying being identified based on the signal of telecommunication measuring gesture motion
Just, equipment is simple, low cost, and volume is little, and real-time is good, and beneficially industrialization, well should have
Use prospect.Existing acoustic control intelligent device can be solved well the most affected by noise, the shortcomings such as interference is strong,
Easy to carry, equipment is simple, low cost, and volume is little, and real-time is good, and beneficially industrialization, have very
Good application prospect.
Accompanying drawing illustrates:
Fig. 1 is flexible skin sensor to be attached to the back of the hand surrounding survey the design sketch of the back of the hand vibration when gesticulating gesture；
Measure with Keithley 2400 table when Fig. 2 is to clench fist and be attached to the electrical signal wave of flexible skin sensor on the back of the hand
Shape；
Measure with Keithley 2400 table when Fig. 3 is to wave and be attached to the electrical signal wave of flexible skin sensor on the back of the hand
Shape；
Fig. 4 identifies letter " J " one to one by artificial neural network recognizer MATLAB software
Software interface；
Fig. 5 is the software by artificial neural network recognizer MATLAB software identification letter " ZSTU "
Interface；
Fig. 6 is the FB(flow block) of present system.
Detailed description of the invention:
A kind of Smart Home gestural control system based on flexible electronic skin, including hand signal collecting unit,
Character recognition unit, single-chip microcomputer, infrared module；
Described hand signal collecting unit includes flexible electronic skin, the back of the hand when various gesture is gesticulated in collection
Motion produces strain, and exports as electronic signals；
Described lip reading signal gathering unit, critical piece is flexible electronic skin, the system of flexible electronic skin
As method it is: Cu nano wire-graphene film is cut the strip of 2cm × 0.5cm, two ends elargol is stained with
Copper cash, then embed in PDMS, it is placed in 2h in 70 DEG C of air dry ovens, makes flexible electronic skin.Wherein, Cu
The preparation method of nano wire-graphene film is as follows:
(1) in 20-25mL ethylene glycol solution, add 20-42mgCu nano wire, add after being uniformly dispersed
48-54mg ascorbic acid, adds 3-3.8mL graphene oxide, moves in hydrothermal reaction kettle after being uniformly dispersed,
It is placed in 120-160 DEG C of air dry oven reaction 4-6h, is cooled to room temperature, just obtains Cu nano wire
-Graphene composite aquogel.
(2) Cu prepared nano wire-Graphene composite aquogel is placed in 0.5wt% hydrazine hydrate solution
Dialysis 16h, further takes out to pour in 150mL deionized water and is uniformly dispersed, obtain suspension, then filter with core
Device suction filtration, just obtains Cu nano wire-graphene film.
Flexible electronic skin has higher sensitivity and stability, and its shapes and sizes can be according to everyone
The back of the hand feature be customized, it is ensured that flexible electronic skin can be close to the top of the back of the hand, sensitive collection
Gesticulate vibration during gesture.
Described character recognition unit stores in its database for the signal gathered by hand signal collecting unit
Data compare, realize character recognition according to artificial neural network algorithm；
Database is set up by training, before user uses, first has to according to user's the back of the hand feature system
Make to make flexible skin sensor be close to the intelligent apparatus above the back of the hand completely.Then need to pay user to enter
Row training, obtains meeting the gesture vibration signal of telecommunication of each appliance name of user action custom and every kind of function,
These signals are set up a database.
During identifying, stick the intelligent apparatus meeting oneself the back of the hand feature of our design, when user's ratio
During oarsman's gesture, owing to the change of the back of the hand motion makes the back of the hand four weekly assembly produce vibration, it is close to the flexible skin of the back of the hand
The vibration of the back of the hand followed by skin sensor simultaneously can produce the Light deformation on surface, thus causes resistance strain gage to sense
The deformation of foil gauge in device so that foil gauge resistance value changes, so that externally export on foil gauge
Magnitude of voltage also can change, and this voltage signal is input to the analog acquisition port of single-chip microcomputer, single-chip microcomputer pair
The analog voltage signal collected carries out analog-to-digital conversion, becomes reflecting the digital quantity of each gesture feature.
Single-chip microcomputer obtains reflecting the digital quantity of each gesture feature, the recognizer of the artificial neural network by identifying,
Signal in database and these signals are carried out matching identification one by one, the result being identified.In the present invention
Database, on the one hand need to be stored in the current signal of the title of various household electrical appliance, be on the other hand also required to
Be stored in the current signal of corresponding function choosing-item, such as, for air-conditioning, need to be stored in refrigeration, heat,
Dry, heating, cooling, the current waveform of the function choosing-item such as pendulum wind, and for television set, need to be stored in increasing
The current waveform of volume, Att, zapping etc. function choosing-item.
Described single-chip microcomputer is the binary code that the character of character recognition unit identification is compiled into correspondence, and controls
Infrared module sends corresponding control signal, is controlled household electrical appliance.Tie in character recognition unit identification
Shu Hou, recognition result enters single-chip microcomputer, the character of identification is compiled into a binary coding, each gesture
Binary coding corresponding to electric signal waveform be different, i.e. corresponding one two of hand signal identification database
Scale coding database.Household electrical appliance receive infrared signal will be to the coding of infrared signal according to having set
Fixed agreement is decoded, and then realizes corresponding function.In the present invention, single-chip microcomputer, infrared module are all bases
In prior art, such as, the sound control type remote controller of sky cat magic box can be achieved with single-chip microcomputer+infrared module of the present invention
Function.Concrete implementation process: user sticks our standardized of flexible electronic skin ratio on the back of the hand
The gesture of " scissors hand ", the electric signal waveform collected is input in character database be identified by system,
Identifying the signal waveform of " scissors hand " this gesture, single-chip microcomputer is by the binary system corresponding to this signal waveform
Coding input is in infrared receiving circuit, and infrared receiving circuit is by infrared according to Gree of binary code
The encoded translated infrared coding opened for air-conditioning, infrared signal is sent out by infrared transmitting circuit by photodiode
Being shot out, Gree receives infrared signal, realizes air-conditioning according to infrared coding protocol-driven air-conditioning and opens.
User then thumbs up the ratio gesture marking " thumb ", and system can realize sky through same process
Increase temperature function once.If the function of the household electrical appliance representated by the gesture that you gesticulate does not has in database
Have or identify the most out, then system bright light prompting can re-enter or point out this input invalid.
Claims (7)
1. a Smart Home gestural control system based on flexible electronic skin, it is characterised in that: include hand signal
Collecting unit, character recognition unit, single-chip microcomputer and infrared module；
Described hand signal collecting unit includes flexible electronic skin, the back of the hand when various gesture is gesticulated in collection
The strain that motion produces, and export as electronic signals；
Described character recognition unit stores in its database for the signal gathered by hand signal collecting unit
Data compare, it is achieved character recognition；
Described single-chip microcomputer is the binary code that the character of character recognition unit identification is compiled into correspondence, and controls
Infrared module sends corresponding control signal, is controlled household electrical appliance.
System the most according to claim 1, it is characterised in that described flexible electronic skin is by with lower section
Method prepares: Cu nano wire-graphene film cuts the strip of 2cm × 0.5cm, by two ends elargol
It is stained with copper cash, then embeds in dimethyl silicone polymer (PDMS), be placed in 2h in 70 DEG C of air dry ovens,
Make flexible electronic skin.The preparation method of described Cu nano wire-graphene film is as follows:
(1) in 20-25mL ethylene glycol solution, add 20-42mgCu nano wire, add after being uniformly dispersed
48-54mg ascorbic acid, adds 3-3.8mL graphene oxide, moves in hydrothermal reaction kettle after being uniformly dispersed,
It is placed in 120-160 DEG C of air dry oven reaction 4-6h, is cooled to room temperature, just obtains Cu nano wire
-Graphene composite aquogel.
(2) Cu prepared nano wire-Graphene composite aquogel is placed in 0.5wt% hydrazine hydrate solution
Dialysis 16h, further takes out to pour in 150mL deionized water and is uniformly dispersed, obtain suspension, then filter with core
Device suction filtration, just obtains Cu nano wire-graphene film.
System the most according to claim 1, it is characterised in that described database is built by the following method
Vertical: flexible electronic skin to be sticked on user's the back of the hand, gather the back of the hand motion when user gesticulates various gesture and produce
Raw strain, and it is stored in character recognition unit as electronic signals；Each appliance name or each function
Corresponding a kind of gesture, i.e. has a characteristic of correspondence waveform.
System the most according to claim 3, it is characterised in that described appliance name is air-conditioning, described
Function includes: freeze, heat, dry, heating, cooling, pendulum wind etc..
5. the Smart Home gestural control method of system described in a claim 1, it is characterised in that include
Following steps:
(1) flexible electronic skin is sticked in the back of the hand surrounding, gather the back of the hand motion when user gesticulates various gesture
The strain produced, and it is sent to character recognition unit as electronic signals, each appliance name or every kind of merit
Can corresponding a kind of gesture and one signal waveform of generation；
(2) character recognition unit utilizes database, by artificial neural network recognizer, in the signal of telecommunication
Each waveform be identified, identify household electrical appliance title and required function；
(3) character of character recognition unit identification is compiled into the binary code of correspondence by single-chip microcomputer, and controls red
Outer mold piece sends corresponding control signal, is controlled household electrical appliance.
System the most according to claim 1, it is characterised in that single-chip microcomputer can use the model to be
The single-chip microcomputer of STC89C51.
System the most according to claim 1, it is characterised in that infrared module includes a crystal oscillating circuit,
Produce a clock frequency synchronized.
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Cited By (9)
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| CN106214135A (en) * | 2016-09-20 | 2016-12-14 | 浙江理工大学 | Domestic sphygmus measurement system based on flexible electronic skin |
| CN106408876A (en) * | 2016-09-20 | 2017-02-15 | 浙江理工大学 | Fatigue driving monitoring system and monitoring method based on flexible electronic skin |
| CN106445134A (en) * | 2016-09-20 | 2017-02-22 | 浙江理工大学 | Wearable wireless mouse based on flexible electronic skin |
| CN106648050A (en) * | 2016-09-20 | 2017-05-10 | 浙江理工大学 | Multimedia computer gesture control system and control method based on flexible electronic skin |
| CN107678536A (en) * | 2017-08-31 | 2018-02-09 | 浙江理工大学 | A kind of wearable smart home gestural control system |
| CN107678327A (en) * | 2017-08-31 | 2018-02-09 | 浙江理工大学 | One kind pronunciation accessory system |
| CN110466276A (en) * | 2019-08-16 | 2019-11-19 | 华东师范大学 | A kind of Full automatic array type water spray drying blackboard eraser |
| CN113970888A (en) * | 2020-07-07 | 2022-01-25 | 华为技术有限公司 | Household equipment control method, terminal equipment and computer readable storage medium |
| CN114544049A (en) * | 2022-01-05 | 2022-05-27 | 新余学院 | Pressure detection device of flexible electronic skin sensor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214135A (en) * | 2016-09-20 | 2016-12-14 | 浙江理工大学 | Domestic sphygmus measurement system based on flexible electronic skin |
| CN106408876A (en) * | 2016-09-20 | 2017-02-15 | 浙江理工大学 | Fatigue driving monitoring system and monitoring method based on flexible electronic skin |
| CN106445134A (en) * | 2016-09-20 | 2017-02-22 | 浙江理工大学 | Wearable wireless mouse based on flexible electronic skin |
| CN106648050A (en) * | 2016-09-20 | 2017-05-10 | 浙江理工大学 | Multimedia computer gesture control system and control method based on flexible electronic skin |
| CN107678536A (en) * | 2017-08-31 | 2018-02-09 | 浙江理工大学 | A kind of wearable smart home gestural control system |
| CN107678327A (en) * | 2017-08-31 | 2018-02-09 | 浙江理工大学 | One kind pronunciation accessory system |
| CN110466276A (en) * | 2019-08-16 | 2019-11-19 | 华东师范大学 | A kind of Full automatic array type water spray drying blackboard eraser |
| CN113970888A (en) * | 2020-07-07 | 2022-01-25 | 华为技术有限公司 | Household equipment control method, terminal equipment and computer readable storage medium |
| CN114544049A (en) * | 2022-01-05 | 2022-05-27 | 新余学院 | Pressure detection device of flexible electronic skin sensor |
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