CN104834244A - Gesture switch and gesture control method - Google Patents
Gesture switch and gesture control method Download PDFInfo
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- CN104834244A CN104834244A CN201410619291.2A CN201410619291A CN104834244A CN 104834244 A CN104834244 A CN 104834244A CN 201410619291 A CN201410619291 A CN 201410619291A CN 104834244 A CN104834244 A CN 104834244A
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- 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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
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Abstract
The invention discloses a gesture switch and a gesture control method. The gesture switch is constituted by a sensing module, a main control module, a switch driving module, a plurality of switches, and a power supply. The main control module can be used to control the working state of the sensing module, to monitor the state of the sensing module in a real-time manner, to process the state of the monitored state of the sensing module, to identify a gesture mode of a current input object, and to query the corresponding gesture event. Under the control of the main control module, the switching-on/off of the switches can be driven by the driving module. According to the definition of the effective distance range, when the sensing module is shielded, the state is defined as on; when the sensing module is not shielded, the state is defined as off. During the input operation of the input object, the system can be used to determine and identify the gesture mode by the on/off state of the sensing module, not by the distance. The motion of the palm and the motion of the fingers can be accurately identified, and therefore the gesture identification can be actually realized, a plurality of gestures and identification methods thereof can be defined, and the user experience can be improved.
Description
Technical field
The present invention relates to field of electrical control, specifically utilize sensing module to carry out gesture identification to control the system of many driving switch.
Background technology
Switch is used to the assembly of control circuit break-make, and common switch has touch key-press switch, mechanical switch, radio remote control switch, acoustic control, light-operated switch etc.These switches can be divided into two kinds according to executive mode: one needs hand or the direct contact-making switch device of other object to complete corresponding operating, as the mechanical switch of conventional domestic; Another kind does not need directly contact just can realize the switch of corresponding operating, as acoustic control, light-operated, and pyroelectric sensing, radio remote control switch etc.It is exactly hygienic issues that touch switch exists a defect, especially in hospital, and kitchen, the applied environments such as toilet; And existing non-contact switch, there is again identification poor, be difficult to realize many grades of controls, poor anti jamming capability easily causes the problems such as false triggering.
Many grades of gesture switches of gesture identification are carried out at present based on space length, as China applies for a patent No. 201310422419.1, it discloses a kind of infrared many gears gesture identification switch and gesture identification method, method described in it is the ADC value by collection signal, take touch panel as benchmark, divide space into multiple region, the gear that different Regional Representative is different, realize the control triggering different gear in zones of different.But the method exists many drawbacks, first is that user when operating between divided zones of different, especially time near adjacent area boundary, the change of its signal ADC value is unconspicuous, adds the impact of environment, is easy to cause false triggering; Second is from operability, user is difficult to quickly and easily command range in space, to distinguish concrete gear, poor user experience, and can not keep vertical during the volar glide of people always, probably slide into another region from a certain region, therefore cause false triggering most probably; 3rd is the not real at last gesture identification of the method, because the power that the change of gear is ADC value by gathering controls, and being not that the finger movement of armrest gesture controls, is not real gesture motion identification.
A kind of many grades of gesture switches based on gesture path tracing detection at present, as China applies for a patent No. 201310572571.8, there is disclosed a kind of non-touch gesture control system, it realizes the tracing detection of gesture path in 3d space based on wireless distance finding sensor, microcontroller is utilized to carry out feature extraction to the data gathered, operational mode recognizer, predict concrete gesture motion, method described in it is also determined the distance of different parts to switch panel of hand by the ADC value of collection signal from principle, thus the feature forming hand is used as gesture motion.But, the method lacks practicality, when people shows different gesture, its different parts is very little to the distance difference of switch panel, this just requires that wireless distance finding sensor is very sensitive, and the too sensitive interference being easily subject to external environment change of sensor, therefore very high to the precision requirement of later stage signal processing circuit, and the reflectivity of different hand is variant, be abutted against and receive ultrared intensity-conversion and become respective distances cannot realize high precision identification, and to adopt infrared sensor to realize multi-shift function described in its method be very difficult, be not suitable for promoting in daily life, poor user experience.
Summary of the invention
In order to overcome the deficiency in above-mentioned technology, the invention discloses a kind of gesture identification method and system of multi-gear switch.Make user that different gestures can be adopted to carry out the break-make of the different gear of gauge tap.
The invention provides a kind of gesture identification method, comprising: input object is a gesture motion, it is characterized by a finger, two fingers separately, three fingers separately, four fingers separately, four fingers are closed, five fingers separately or five fingers closed, sensing module is divided into groups, two sensors are at least triggered in one group of sensing module, if the mistiming between the time that in the time that in one group of sensor, first sensor be triggered is triggered first and this group sensor, last sensor be triggered is triggered first reaches predetermined value, then with first sensor be triggered for starting point, the sensor be finally triggered is terminating point, record start point and terminating point, determine the direction of action of input object, add up the number of times that " breaks " " leading to " of sensor simultaneously, according to the direction of action of input object, and in one-off process, cause sensor " leading to " " to break " number of times, according to these gesture feature identification gesture modes.The set of all possible gesture mode is defined as gesture collection, and defines corresponding switching manipulation for each gesture mode.All sensing module states on Real-Time Monitoring panel, according to practical service environment, sensor in sensing module is grouped, when monitoring in certain group sensor, 2 sensors are had at least to be triggered, the skew of the triggering life period amount of different sensors, and when the skew of time quantum reaches predetermined set value, then using first sensor be triggered as starting point, the sensor be triggered with last is terminating point, according to the direction of action of starting point and terminating point determination input object, add up sensor " leading to " of being triggered " to break " number of times of state simultaneously, in conjunction with the direction of gesture motion, identify the gesture mode of current input, gesture mode described in it includes but not limited to that a finger moves from the top down, a finger moves from the bottom up, two non-conterminous fingers separately move from the top down, two non-conterminous fingers separately move from the bottom up, two adjacent finger are separately moved from the top down, two adjacent finger are separately moved from the bottom up, three fingers separately move from the top down, three fingers separately move from the bottom up, four fingers separately move from the top down, four fingers separately move from the bottom up, four fingers close and move from the top down, four fingers close and move from the bottom up, five fingers close and move from the top down, five fingers close and move from the bottom up, according to the gesture mode recognized, perform the operational order that is associated with gesture mode, include but not limited to that one grade is opened, one grade of passs, second gear is opened, second gear closes, third gear is opened, third gear is closed, fourth gear is opened, fourth gear is closed, all open, all close, indicate out, indicate pass, warning is opened, pass of reporting to the police, remote control are opened and remote control pass.
Realize a kind of gesture switch of said method, comprise: sensing module, be provided for receiving the input from one or more object, quantity is more than 4 or 4, and be arranged on panel by ad hoc fashion, include but not limited to " ten " font, rectangle or plane lattice; Control module, monitors all described sensing module states, according to the state real-time monitoring sensing module, identifies gesture and concentrates corresponding gesture mode, according to the state of the gesture mode gauge tap driver module recognized.Switch drive module, receives the order of control module, controls the on off operating mode of switch.Power module, for opertaing devices all in this electronic system provide Power supply.
Sensing module described in it is break-make detecting sensor, includes but not limited to infrared ray sensor, UV sensor, CCD and cmos image sensor.Its principle of work be when have shelter close to time, reach effective coverage scope, described in it, break-make detecting sensor collects signal, be defined as " leading to " by described sensing module state, do not have shelter close to time, described in it, break-make detecting sensor does not collect signal, is defined as " breaking " by described sensing module state.
The control gear of control module described in it is a slice single-chip microcomputer, includes but not limited to single-chip microcomputer, ARM, FPGA, CPLD and DSP.
Switch drive module described in it is a kind of electronic switch array, and electronic switch described in it includes but not limited to thyristor, transistor, field effect transistor, controllable silicon, relay and combination in any between them.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram.
Fig. 2 is sensor placement figure.
Fig. 3 is the schematic diagram of the gesture operation of a finger.
Fig. 4 is the schematic diagram of the gesture operation of two fingers.
Fig. 5 is the schematic diagram of the gesture operation of three fingers.
Fig. 6 is the schematic diagram of the gesture operation of four fingers.
Fig. 7 is the schematic diagram of the gesture operation of five fingers.
Embodiment
In the description of preferred embodiment below, with reference to accompanying drawing, illustrated by way of example in the accompanying drawings and can implement specific embodiment of the present invention, should be appreciated that, when not deviating from the scope of embodiments of the invention, other embodiments can be used, and carry out structural change.
With reference to Fig. 1, a kind of gesture switch comprises sensing module 001, main control module 002, switch drive module 003, multi-way switch combination 004, power supply 005.
With reference to 2 sensing modules by four infrared emission receiver modules 101,102,103,104 compositions, its layout is as shown in Figure 2, infrared emission receiver module 101,102 for detecting the gesture input of vertical direction, then to the operation that the switch of each gear independently opens and closes, and infrared emission receiver module 103,104 input for the gesture in detection level direction, after identifying gesture, all switches are performed to the operation of opening or closing.
Main control module adopts single-chip microcomputer to design, and clock circuit, travelling speed can meet design requirement.The work of main control module major control sensing module also monitors the state of sensing module, computational analysis is carried out to the state of the sensing module collected, extract and identify gesture mode, and control the work of driving switch module according to the gesture mode judging to draw, thus the work of gauge tap.
Main control module scanned infrared transmitting and receiving module 101,102,103,104, infrared emission receiver module 101,102, as one group, inputs for the gesture receiving vertical direction, infrared emission receiver module 103,104, as one group, inputs for the gesture receiving horizontal direction.After extraneous gesture input triggers one of them infrared emission receiver module, main control module starts the data recording infrared emission receiver module, and store, judge that infrared emission receiver module receives data, at the end of judging that gesture operation is simultaneously, namely record is stopped, starting the data analysis process to receiving, extracting gesture mode, then inquire about corresponding gesture event, operating switch driver module, controls the work of corresponding driving switch.
Power supply provides system modules required voltage by 220V alternating current by voltage reduction module step-down.
Switch drive module adopts optocoupler to isolate, and on-off control system and outside load is isolated, and prevents the surge etc. of load equipment from causing damage to on-off control system.Switch drive module includes but not limited to adopt optocoupler to isolate.
Switch adopts electromagnetic relay, and the design includes but not limited to adopt electromagnetic relay.
The method of many grades of gesture identification, the gesture that this system can identify comprises a finger, two fingers separated, three fingers separated, four fingers separated, five fingers.As shown in Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, its gesture motion direction can from up to down, bottom-up, turn left from left to right or from the right side.
The gesture motion of above-below direction is for identifying the control to single switch, and the gesture motion of left and right directions is used for the control of opening simultaneously all switches or closing simultaneously.
When the gesture inputted acts on sensor in effective range, sensor is blocked, and definition is in the state of " leading to ", when sensor is not blocked, the state that sensor is in " breaking ", the identification of all gestures " is led to " based on sensing module to " breaking " state identifies, when not having input object to input, the equal output low level of each sensor of sensing module, the state that define equipment is in " breaking ", after in the reach that input object enters sensing module, the infrared ray that infrared transmitting tube is launched can be blocked, and part infrared reflection is gone back, received by infrared receiving tube, high level can be exported after back-end circuit processes, now be defined as the state that equipment is in " leading to ".In gesture input process, what every root finger movement caused blocks the state that can occur once " leading to ".
Infrared emission receiver module 101,102 is as one group, and for receiving the gesture input of above-below direction, infrared emission receiver module 103,104, as one group, inputs for the gesture receiving left and right directions.When the gesture inputted acts on sensing module in effective range, sensor is triggered, main control module starts to record the state of each sensor and makes a decision the state received, when gesture operation completes, the state of sensing module is low level, end of record (EOR), then starts the data of analytic record.For first group of data, namely by module 101,102 data collected, relatively, first record " leads to " time of state, the skew of life period amount, if the skew of life period amount, and reaches setting value, then with the sensor assembly be first triggered for starting point, the sensor assembly of rear triggering is terminating point, thus determines gesture motion direction, adds up in this gesture operation simultaneously, " lead to " number of times of state, the direction of motion in conjunction with gesture judges the gesture mode of this gesture operation.If there is no the skew of time quantum or the skew of time quantum do not reach setting value, then detect next group data, by module 103,104 data collected, relatively, first record " leads to " time of state, the whether skew of life period amount, if the skew of life period amount, and reach setting value, then with the sensor assembly be first triggered for starting point, the sensor assembly of rear triggering is terminating point, thus determines gesture motion direction, then according to predefined gesture event, all switch opens or closedown is controlled.
When single switch control rule being described below in conjunction with Fig. 4, in a gesture operation process, the course of work of this system.Gesture is from up to down moved as shown in Figure 4, first infrared emission receiver module 101 is triggered, then main control module starts the data recording all infrared emission receiver modules, and reception data are made a decision, after gesture motion exceeds the reach of infrared emission receiver module, gesture input action can be judged according to the data received to terminate, now stop record, then Treatment Analysis be carried out to recorded data before.First group of sensor assembly 101 and 1010 first record first comparing record " leads to " time of state, can obtain module 101 comparatively module 1010 first trigger, and time offset reaches setting value, then using module 101 as starting point, module 102 as terminating point, thus determines that gesture is move from the top down.Simultaneously, the number of times of state that statistical module 101 records " leading to ", two fingers separated can cause and block for twice, so the number of times of " leading to " state counted on is twice, gesture mode can be determined according to the number of times of " leading to " state and the direction of motion of gesture, and according to predefined, realize carrying out opening and closing operation to corresponding switch.Identical with in aforesaid way principle for the gesture identification mode on side-to-side movement direction.
When illustrating that a gesture controls all switches below in conjunction with Fig. 7, the course of work of system.Gesture is from left to right in the horizontal direction in motion process as shown in Figure 7, first infrared emission receiver module 103 is triggered, then main control module starts the data recording all infrared emission receiver modules, and reception data are made a decision, after gesture motion exceeds the reach of infrared emission receiver module, gesture input action can be judged according to the data received to terminate, now stop record, then Treatment Analysis be carried out to recorded data before.First group of sensor assembly 101 and 102 first record first comparing record " leads to " time of state, the skew that can obtain the time quantum of module 101 and module 102 triggering does not reach setting value, then the data of second group of sensor assembly 103 and module 104 are judged, comparison module 103 and module 104 first record " lead to " time of state, can obtain module 103 comparatively module 104 first trigger, and the skew of the two triggered time amount reaches setting value, then using module 103 as starting point, module 104 as terminating point, thus determines that gesture is move from left to right.Now the direct direction according to gesture, determines corresponding operation, to whole switch open or closedown.Identical with in aforesaid way principle for other gesture identification modes of moving at left and right directions.
First this system performs the operation of closing all switches at every turn when carrying out initial work after powering on, prevent after accident power-off from powering on again, switch is in opening, causes the waste of electric energy, ensures safety.
According to actual design needs, also can pattern in a program corresponding to set position, an electric switch as corresponding in a gear, also can corresponding multiple electric switch, and multiple gear also can corresponding same electric switch or different operating.
Claims (12)
1. a gesture switch, comprising: sensing module, and for receiving the input from input object, be gesture input within the system, it is arranged on panel by ad hoc fashion; Main control module, for controlling the work of sensing module, and Real-Time Monitoring associated sensed module status, from the current state monitoring sensing module, identify the gesture of current input, inquire about the Action Events that this gesture is corresponding, then driving switch driver module, control the opening and closing state to inductive switch; Switch drive module, for receiving the control signal from main control module, and the open and close of driving switch, switch drive module, for isolating forceful electric power and weak electricity system, protects the normal operation of this system.
2. electronic system according to claim 1, the input object that wherein said sensing module receives is a finger or multiple finger or a palm.
3. electronic system according to claim 1, wherein said sensing module is break-make checkout equipment, wherein definition is when in effective range, the sensor of sensing module is blocked, and is defined as " leading to " state, gives a definition for " breaking " state in the situation of effectively not blocking.
4. electronic system according to claim 1, the state of wherein said sensing module is signal "on" and "off".
5. a gestural control method, comprising: input object is a gesture motion, the action of the outside input object of sensing module Real-Time Monitoring under the control of main control module, is defined by " leading to " when each sensor is blocked in effective range simultaneously, sensing module is divided into groups, often organize and at least comprise two sensors, when monitoring often group sensing module and having 2 sensors appearance " leading to " states at least, state " is led to " in the appearance that judges to be triggered at first in this group sensor and the appearance that is finally triggered " lead to " state the two between time offset whether reach predetermined value, if reach predetermined value, then to monitor the sensor of first appearance " leading to " state in this group sensor for starting point, be terminating point by monitor last state in this group sensor be the sensor of " leading to ", according to the direction of action of the track determination input object between starting point and terminating point, when adding up each action, the number of times of " leading to " state that the sensor that often group is triggered counts on, in conjunction with the direction of action of the object recognized, identify the gesture mode of input, each action definition is become a gesture event and the corresponding command operation be associated, according to this kind of mode, the gesture event likely existed is defined as a set of gesture collection.
6. method according to claim 5, wherein said input object be characterized as a finger, two fingers separately, three fingers separately, four fingers separately, four fingers are closed, five fingers separately or five fingers closed, the action of gesture comprises and sweeps downwards, upwards sweeps, sweeps left, sweeps to the right.
7. method according to claim 5, wherein said sensing module " leading to " " break " state with occur in blocking of input object on described sensing module and be associated.
8. method according to claim 5, wherein said sensing module " leading to " state of " breaking " is associated with the distance occurring in input object on described sensing module, when in effective range, input object block the state that could change sensing module.
9. method according to claim 5, the definition of wherein said gesture mode causes sensor " leading to " " to break " number of times based on the direction of motion of input object and each gesture motion.
10. method according to claim 5, wherein identify that gesture event action comprises: the feature analyzing described movement locus, comprise starting point and terminating point, determine direction of action, adding up the input of each gesture causes sensor " leading to " " to break " number of times, according to the gesture collection of the characteristic query predefined of current gesture mode, determine the gesture event that current gesture mode is corresponding thus.
11. methods according to claim 5, in sensing module after grouping, the often sensing module that is triggered of group, be monitored as the sensor life period amount skew of more than 2 or 2 of " leading to " state, and the skew of time quantum must reach certain setting value, often the time quantum skew of the sensing module that is triggered of group does not reach the direct eliminating of predetermined set value, not as the foundation of gesture analysis.
12. methods according to claim 5, wherein said operational order comprise single grade open, single grade of pass, many grades open simultaneously and many grades close simultaneously, operational order corresponding to each gesture event carries out correspondence according to design requirement.
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