CN103986952A - Motion control system and method based on LED display - Google Patents
Motion control system and method based on LED display Download PDFInfo
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- CN103986952A CN103986952A CN201410184313.7A CN201410184313A CN103986952A CN 103986952 A CN103986952 A CN 103986952A CN 201410184313 A CN201410184313 A CN 201410184313A CN 103986952 A CN103986952 A CN 103986952A
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Abstract
The invention discloses a motion control system based on an LED display. The motion control system comprises the LED display, a signal receiver, a microcontroller and a communication module. All LEDs in the LED display load the respective identification codes into light signals to be transmitted. The signal receiver is used for receiving the light signals from the LEDs. The microcontroller is used for calculating and processing the strength and the time of the light signals, received by the signal receiver, of at least three LEDs, the spatial position of the signal receiver is obtained, or calculating and processing are conducted according to the variation of the spatial position of the signal receiver, and the motion trail of the signal receiver is obtained. The communication module is used for sending the spatial position or the motion trail, calculated by the microcontroller, of the signal receiver to the LED display. According to the motion control system based on the LED display, the different identification codes carried by all the LEDs on the LED display are used for conducting three-dimensional positioning on the signal receiver, so that the motion of an operator is judged, and identification of motion operation is achieved.
Description
Technical field
The invention belongs to optical communication technique field, relate in particular to a kind of body sense control system and method thereof based on light-emitting diode display.
Background technology
Body sense control is by the remote controller using in manipulator's hand is carried out to three-dimensional localization, thereby determines three-dimensional and the position of remote controller, and then judges manipulator's posture.LED television set is a technology of utilizing the display matrix of redgreenblue LED composition to carry out image demonstration.LED matrix display technology be because can provide the color displays more true to nature than common LCD, more wide colour gamut, and become the trend of Next Generation Television machine technology.3D body sense control, for operator provides more manipulation space, can complete the interaction between various human and television set, and can play somatic sensation television game.3D body sense manipulation has become the standard configuration (as Xbox360, PS3, Wii etc.) of main flow television set game machine.
Summary of the invention
In view of the defect of above-mentioned prior art existence, the object of the invention is to propose a kind of body sense control system and method thereof based on light-emitting diode display, by the LED display matrix on light-emitting diode display, signal receiver is carried out to three-dimensional localization, and then realize the perception of body to operator's action, realize body sense operation and interactive.
Object of the present invention will be achieved by the following technical programs:
A body sense control system based on light-emitting diode display, comprising:
One light-emitting diode display, the each LED in described light-emitting diode display is loaded into identification code separately in light signal and transmits, and described identification code is the relative position information of described LED in described light-emitting diode display;
One signal receiver, for receiving the light signal from described LED;
One microcontroller, the intensity and the time that are used for the light signal of at least three described LED that described signal receiver is received are carried out computing, draw the locus of described signal receiver, or carry out computing according to the variation of the locus of described signal receiver, draw the movement locus of described signal receiver;
One communication module, sends to described light-emitting diode display for locus or the movement locus of described signal receiver that microcontroller is calculated.
Preferably, above-mentioned a kind of body sense control system based on light-emitting diode display, wherein: described light-emitting diode display comprises:
One LED display matrix, the display matrix being made up of described LED, for showing image and communicating optical signals;
One Signal coding circuit, for sending the Signal coding that each described LED is loaded to described identification code;
One amplification driving circuit, is sent to described LED display matrix after the signal of described Signal coding circuit code is amplified, to meet the requirement of described LED to drive current;
One DC biasing circuit, is used to described LED display matrix that DC biasing is provided.
Preferably, above-mentioned a kind of body sense control system based on light-emitting diode display, wherein: the Signal coding form of described Signal coding circuit is phase deviation coding.
Preferably, above-mentioned a kind of body sense control system based on light-emitting diode display, wherein: described signal receiver comprises the photoelectric sensor of at least one, sends for receiving described LED the light signal that is loaded with described identification code, and is converted into the signal of telecommunication;
Filter circuit, for the described signal of telecommunication is carried out to filtering, removes noise;
Amplifying circuit, for amplifying the described signal of telecommunication after treatment filtering;
Demodulator circuit, the described signal of telecommunication after amplifying is converted, isolate the signal that different described LED sends, and the signal strength signal intensity that isolated different described LED is sent and the time that receives different described signals send to described microcontroller to process.
Preferably, above-mentioned a kind of body sense control system based on light-emitting diode display, wherein: described communication module comprises the wireless transmitter module being connected with described microcontroller and the wireless receiving module being connected with described light-emitting diode display.
Preferably, above-mentioned a kind of body sense control system based on light-emitting diode display, wherein: described LED is RGB three-color LED.
Preferably, above-mentioned a kind of body sense control system based on light-emitting diode display, wherein: described light-emitting diode display is LED television set.
Preferably, above-mentioned a kind of body sense control system based on light-emitting diode display, wherein: described signal receiver is remote controller.
A body sense control method based on light-emitting diode display, comprises the following steps:
S1: Signal coding circuit sends the Signal coding that the each LED in LED display matrix is carried out to different identification codes;
S2: amplification driving circuit is sent to LED display matrix after signal is amplified, to meet the requirement of LED to drive current;
Each LED in S3:LED display matrix is loaded into identification code separately in light signal and transmits;
S4: the photoelectric sensor on signal receiver receives LED and sends the light signal that is loaded with identification code, and is converted into the signal of telecommunication;
S5: the signal of telecommunication after filtering circuit carries out filtering, removes noise;
S6: the filtering signal of telecommunication after treatment amplifies through amplifying circuit;
S7: the signal of telecommunication after amplification converts through demodulator circuit, isolates the signal that different LED sends, and the signal strength signal intensity that isolated different LED is sent and the time that receives different signals send to microcontroller;
S8: signal strength signal intensity and the time of microcontroller to the LED of receive at least three is carried out computing, draws the locus of signal receiver, carries out computing according to the variation of the locus of signal receiver, draws the movement locus of signal receiver;
S9: microcontroller, by communication module, sends to light-emitting diode display by the locus of the signal receiver drawing or movement locus.
Outstanding effect of the present invention is: a kind of body sense control system and method thereof based on light-emitting diode display that the present invention proposes, utilize the different identification codes that on light-emitting diode display, each LED carries to carry out three-dimensional localization to signal receiver, thereby decision operation person's action, the identification of perfect aspect sense operation.Utilize system of the present invention, light-emitting diode display can be realized accurate body sense operation very easily, and without increasing extra special equipment, playability and the interaction capability of light-emitting diode display are greatly expanded, by increasing limb motion, reduced because see for a long time the various diseases that light-emitting diode display causes simultaneously.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail the specific embodiment of the present invention, so that technical solution of the present invention is easier to understand, grasp.
Brief description of the drawings
Fig. 1 is the structural representation of the light-emitting diode display of the embodiment of the present invention;
Fig. 2 is the structural representation of the signal receiver of the embodiment of the present invention;
Fig. 3 is the schematic diagram of the embodiment of the present invention.
Embodiment
Embodiment:
A kind of body sense control system based on light-emitting diode display of the present embodiment, as shown in Fig. 1～Fig. 2, comprise: light-emitting diode display 1, the each LED in light-emitting diode display 1 is loaded into identification code separately in light signal and transmits, and identification code is the relative position information of LED in light-emitting diode display 1; Signal receiver 2, for receiving the light signal from LED; Microcontroller 24, the intensity and the time that are used for the light signal of three LED that signal receiver 2 is received are carried out computing, draw the locus of signal receiver 2, or carry out computing according to the variation of the locus of signal receiver 2, draw the movement locus of signal receiver 2; Communication module, sends to light-emitting diode display 1 for locus or the movement locus of signal receiver 2 that microcontroller 24 is calculated.
Wherein: light-emitting diode display 1 comprises: LED display matrix 10, the display matrix being made up of LED, for showing image and communicating optical signals; Signal coding circuit 13, for sending the Signal coding that each LED is carried out to load identification code, Signal coding form can be selected multiple, as phase deviation coding (PSK) etc.; Amplification driving circuit 12, is sent to LED display matrix 10 after the signal that Signal coding circuit 13 is encoded amplifies, to meet the requirement of LED to drive current; DC biasing circuit 11, is used to LED display matrix 10 that DC biasing is provided.
Signal receiver 2 comprises multiple photoelectric sensors 20, sends the light signal that is loaded with identification code, and be converted into the signal of telecommunication for receiving LED; Filter circuit 21, for the signal of telecommunication is carried out to filtering, removes noise; Amplifying circuit 22, for amplifying the signal of telecommunication after treatment filtering; Demodulator circuit 23, converts the signal of telecommunication after amplifying, and isolates the signal that different LED sends, and the signal strength signal intensity that isolated different LED is sent and time of receiving different signals send to microcontroller 24 to process.
Communication module comprises the wireless transmitter module 25 being connected with microcontroller 24 and the wireless receiving module 14 being connected with light-emitting diode display 1.
In the present embodiment, light-emitting diode display 1 is LED television set, and LED is RGB three-color LED, and signal receiver 2 is remote controller.
A kind of body sense control method based on light-emitting diode display of application the present embodiment, comprises the following steps:
S1: Signal coding circuit 13 sends the Signal coding that the each LED in LED display matrix 10 is carried out to different identification codes;
S2: amplification driving circuit 12 is sent to LED display matrix 10 after signal is amplified, to meet the requirement of LED to drive current;
Each LED in S3:LED display matrix 10 is loaded into identification code separately in light signal and transmits;
S4: the photoelectric sensor 20 on signal receiver 2 receives LED and sends the light signal that is loaded with identification code, and is converted into the signal of telecommunication;
S5: the signal of telecommunication after filtering circuit 21 carries out filtering, removes noise;
S6: the filtering signal of telecommunication after treatment amplifies through amplifying circuit 22;
S7: the signal of telecommunication after amplification converts through demodulator circuit 23, isolates the signal that different LED sends, and the signal strength signal intensity that isolated different LED is sent and the time that receives different signals send to microcontroller 24;
S8: signal strength signal intensity and the time of microcontroller 24 to receive three LED is carried out computing, draws the locus of signal receiver 2, carries out computing according to the variation of the locus of signal receiver 2, draws the movement locus of signal receiver 2;
S9: microcontroller 24, by wireless transmitter module 25, sends to by the locus of the signal receiver drawing or movement locus the wireless receiving module 14 being connected with light-emitting diode display 1.
As shown in Figure 3, it is the positioning principle of the signal receiver 2 of the present embodiment, suppose that signal receiver 2 is in a certain position, the photoelectric sensor S1 on signal receiver 2 surfaces, S2, the light signal of three diverse location LED from LED display matrix 10 that S3 receives, microcontroller 24 was analyzed by signal strength signal intensity and propagation time, obtain each photoelectric sensor S1, S2, the locus of S3.Computational methods are as follows:
If the coordinate of three LED is respectively (x
1, y
1, z
1), (x
2, y
2, z
2) and (x
3, y
3, z
3), the coordinate of photoelectric sensor S1 is (x
e, y
e, z
e), according to the signal strength signal intensity receiving and propagation time, calculate LED and be respectively d to the distance of photoelectric sensor S1
c1, d
c2, d
c3;
Because the position of three LED at grade, so z
1=z
2=z
3;
Second equation and the 3rd equation are deducted respectively to first equation and draw following matrix:
AX＝B
Can draw so: X=(A
ta)
-1a
tb.
Thereby the position of S1 has also just drawn.In like manner calculate the position of S2 and S3.By to S1, S2, further computational analysis is carried out in S3 locus, and the position C1 (x, y, z) at signal receiver 2 centers is determined, and the direction of synchronous signal receiver 2 is pointed to (Θ, Φ) and is also calculated.During this time, operator starts mobile, the next position place in moving process, center and the spatial direction of signal receiver 2 are determined by said process, thereby position and the spatial direction information of signal receiver 2 in whole moving process is all gone on record.Microcontroller 24 is by carrying out computational analysis to above-mentioned motion track and spatial direction variation, operator's corresponding action is accurately identified out, microcontroller 24 is sent to light-emitting diode display 1 by communication module by action message, light-emitting diode display 1 is made corresponding reaction according to action message again, thereby has completed body sense manipulation.
A kind of body sense control system and method thereof based on light-emitting diode display of the present embodiment, utilizes the different identification codes that on light-emitting diode display 1, each LED carries to carry out three-dimensional localization to signal receiver 2, thus decision operation person's action, the identification of perfect aspect sense operation.Light-emitting diode display 1 can be realized accurate body sense operation very easily, and without increasing extra special equipment, greatly expand playability and the interaction capability of light-emitting diode display 1, simultaneously by increasing limb motion, reduced because see for a long time the various diseases that light-emitting diode display 1 causes.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection scope of the present invention.
Claims (9)
1. the body sense control system based on light-emitting diode display, is characterized in that comprising:
One light-emitting diode display, the each LED in described light-emitting diode display is loaded into identification code separately in light signal and transmits, and described identification code is the relative position information of described LED in described light-emitting diode display;
One signal receiver, for receiving the light signal from described LED;
One microcontroller, the intensity and the time that are used for the light signal of at least three described LED that described signal receiver is received are carried out computing, draw the locus of described signal receiver, or carry out computing according to the variation of the locus of described signal receiver, draw the movement locus of described signal receiver;
One communication module, sends to described light-emitting diode display for locus or the movement locus of described signal receiver that microcontroller is calculated.
2. a kind of body sense control system based on light-emitting diode display according to claim 1, is characterized in that: described light-emitting diode display comprises:
One LED display matrix, the display matrix being made up of described LED, for showing image and communicating optical signals;
One Signal coding circuit, for sending the Signal coding that each described LED is loaded to described identification code;
One amplification driving circuit, is sent to described LED display matrix after the signal of described Signal coding circuit code is amplified;
One DC biasing circuit, is used to described LED display matrix that DC biasing is provided.
3. a kind of body sense control system based on light-emitting diode display according to claim 2, is characterized in that: the Signal coding form of described Signal coding circuit is phase deviation coding.
4. a kind of body sense control system based on light-emitting diode display according to claim 1, it is characterized in that: described signal receiver comprises the photoelectric sensor of at least one, send for receiving described LED the light signal that is loaded with described identification code, and be converted into the signal of telecommunication;
Filter circuit, for the described signal of telecommunication is carried out to filtering, removes noise;
Amplifying circuit, for amplifying the described signal of telecommunication after treatment filtering;
Demodulator circuit, the described signal of telecommunication after amplifying is converted, isolate the signal that different described LED sends, and the signal strength signal intensity that isolated different described LED is sent and the time that receives different described signals send to described microcontroller to process.
5. a kind of body sense control system based on light-emitting diode display according to claim 1, is characterized in that: described communication module comprises the wireless transmitter module being connected with described microcontroller and the wireless receiving module being connected with described light-emitting diode display.
6. a kind of body sense control system based on light-emitting diode display according to claim 1, is characterized in that: described LED is RGB three-color LED.
7. a kind of body sense control system based on light-emitting diode display according to claim 1, is characterized in that: described light-emitting diode display is LED television set.
8. a kind of body sense control system based on light-emitting diode display according to claim 1, is characterized in that: described signal receiver is remote controller.
9. the body sense control method based on light-emitting diode display, is characterized in that comprising the following steps:
S1: Signal coding circuit sends the Signal coding that the each LED in LED display matrix is carried out to different identification codes;
S2: amplification driving circuit is sent to LED display matrix after signal is amplified, to meet the requirement of LED to drive current;
Each LED in S3:LED display matrix is loaded into identification code separately in light signal and transmits;
S4: the photoelectric sensor on signal receiver receives LED and sends the light signal that is loaded with identification code, and is converted into the signal of telecommunication;
S5: the signal of telecommunication after filtering circuit carries out filtering, removes noise;
S6: the filtering signal of telecommunication after treatment amplifies through amplifying circuit;
S7: the signal of telecommunication after amplification converts through demodulator circuit, isolates the signal that different LED sends, and the signal strength signal intensity that isolated different LED is sent and the time that receives different signals send to microcontroller;
S8: signal strength signal intensity and the time of microcontroller to the LED of receive at least three is carried out computing, draws the locus of signal receiver, carries out computing according to the variation of the locus of signal receiver, draws the movement locus of signal receiver;
S9: microcontroller, by communication module, sends to light-emitting diode display by the locus of the signal receiver drawing or movement locus.
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| CN201410184313.7A CN103986952A (en) | 2014-05-04 | 2014-05-04 | Motion control system and method based on LED display |
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| CN201410184313.7A CN103986952A (en) | 2014-05-04 | 2014-05-04 | Motion control system and method based on LED display |
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Cited By (1)
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