CN103428965B - Intelligent LED color-changing lamp based on brainwave control and intelligent control method thereof - Google Patents
Intelligent LED color-changing lamp based on brainwave control and intelligent control method thereof Download PDFInfo
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Abstract
The invention discloses an intelligent LED color-changing lamp based on brain wave control and intelligent control method thereof. The intelligent LED color-changing lamp comprises a brainwave earphone control unit, an LED light-changing unit and a power unit for powering the brainwave earphone control unit and the LED light-changing unit. The brainwave earphone control unit comprises a Mindwave brainwave earphone, a brainwave sensor module, a data processing module and a wireless data transmitting module. The LED light-changing unit comprises a signal transmission processing module with a control chip, an LED drive module and an LED light-changing lamp. On the basis of the data processing algorithm of the Mindwave brainwave earphone, concentration and meditation degree is extracted to serve as control parameters of the lamp, and brainwave signal acquisition and intelligent control of the LED color-changing lamp are performed through wireless communication. By the intelligent LED color-changing lamp which can be effectively matched with medical rehabilitation treatment, household intelligence is increased, and concentration and meditation degree can be increased.
Description
Technical field
The present invention relates to a kind of intelligent LED Color-changing lamp based on E.E.G control and intelligent control method thereof, be mainly used in recovering aid treatment and the Smart Home application of the disease such as hyperactivity, Gilles de la Tourette's syndrome.
Background technology
There is electrical phenomena in biology, concerning brain, brain cell be exactly in brain one by one " small power station ".Neuroelectricity is movable, its frequency variation scope is between 1-30 time per second, can be divided into four wave bands, i.e. δ (1-3Hz), θ (4-7Hz), α (8-13Hz), β (14-30Hz), and the activity variance of people can reflect on these four kinds of brain wave signals.The development of brain power technology makes EEG signals be applied in multiple fields, such as biological detection, medical rehabilitation, idea game, Smart Home etc.
Based on the color-changed LED light of E.E.G design, class case can be controlled in multiple ideas such as many dynamic, the mood anergies of medical domain supplemental treatment children's, also can increase the man-machine interaction in Smart Home.People can use E.E.G to loosen and the situation be absorbed in, and control the soft change of light and the light on and off of lamp.LED of the prior art can not change with the change of brain wave signal.
Summary of the invention
For the above-mentioned problems in the prior art, the invention provides intelligent LED Color-changing lamp and the intelligent control method thereof of different brains electricity concentration degrees that a kind of basis extracts and the change of deep in thought degree signal controlling LED color.
Technical scheme of the present invention is:
A kind of intelligent LED Color-changing lamp controlled based on E.E.G, comprise brain electric ear machine control unit, LDE becomes light unit and for becoming the power subsystem that light unit provides power supply to described brain electric ear machine control unit and LDE, described brain electric ear machine control unit comprises Mindwave brain electric ear machine, brain-wave sensor module, data processor module, wireless data transfer module, and described LDE becomes light unit and comprises the process of signal transmission module, LED drive module, the LED alternating light that include control chip.
Described Mindwave brain electric ear machine for receive EEG signals and by receive EEG signals by brain-wave sensor module transfer to data processor module, described data processor module is used for the extraction input signal of brain-wave sensor module being carried out to interference filter and EEG signals feature, and described wireless data transfer module receives the EEG signals after data processor module process and this Signal transmissions become the process of signal transmission module in light unit to LDE.
Described process of signal transmission module, for receiving the EEG signals that the transmission of brain electric ear machine control unit comes, extract concentration degree and the deep in thought degree controling parameter as lamp, the data handled well are sent to LED drive module, based on the difference of signal power, LED drive module drives described LED alternating light send the light of different colours and carry out light and shade switching.
Described wireless data transfer module is Bluetooth data transfer module, and described Bluetooth data transfer module has two kinds of mode of operations, i.e. data-transmission mode and distance control mode; Under data-transmission mode: LED drive module is connected with control chip serial ports, the color of control LED alternating light and light and shade change; Under distance control mode: LED drive module is not connected with control chip serial ports, the I/O mouth directly carried by chip is connected with LED alternating light, and the color of simple control LED alternating light changes but do not control its brightness.
A kind of intelligent control method of the intelligent LED Color-changing lamp based on E.E.G control, the method is based on the data processing algorithm of Mindwave brain electric ear machine, extract concentration degree and the deep in thought degree controling parameter as lamp, adopt communication to carry out the collection of EEG signals and the Based Intelligent Control of LED Color-changing lamp, specifically comprise the steps:
(1) receive EEG signals by Mindwave brain electric ear machine and the EEG signals received are passed through brain-wave sensor module transfer to data processor module; Data processor module carries out the extraction of interference filter and EEG signals feature to the input signal of brain-wave sensor module, and wireless data transfer module receives the EEG signals after data processor module process and this Signal transmissions become the process of signal transmission module in light unit to LDE.
(2) process of signal transmission module receives the EEG signals that the transmission of brain electric ear machine control unit comes, by signal transacting optimized algorithm from extracting required controling parameters and being converted to working control signal, extract concentration degree and the deep in thought degree controling parameter as lamp, the data handled well are sent to LED drive module, based on the difference of signal power, LED drive module driving LED alternating light sends the light of different colours and carries out light and shade switching.
The invention has the beneficial effects as follows:
1, increase household intelligent, brain electricity science and technology and traditional household are merged, allow light change along with the change of attentiveness and mood;
2, effectively can coordinate and carry out children's hyperkinetic syndrome, the medical rehabilitation treatment of the aspects such as mood anergy, the recovery of old man's intelligence;
3, develop the potential intelligence of the mankind, improve concentration degree and deep in thought degree.
Accompanying drawing explanation
Fig. 1 is the system block diagram of a kind of intelligent LED Color-changing lamp based on E.E.G control of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of intelligent LED Color-changing lamp controlled based on E.E.G of the present invention comprises brain electric ear machine control unit, LDE becomes light unit and for becoming the power subsystem that light unit provides power supply to brain electric ear machine control unit and LDE, brain electric ear machine control unit comprises Mindwave brain electric ear machine, brain-wave sensor module, data processor module, wireless data transfer module, and LDE becomes light unit and comprises the process of signal transmission module, LED drive module, the LED alternating light that include control chip.
Mindwave brain electric ear machine, for receive EEG signals and by receive EEG signals by brain-wave sensor module transfer to data processor module, data processor module is used for the extraction input signal of brain-wave sensor module being carried out to interference filter and EEG signals feature, and wireless data transfer module receives the EEG signals after data processor module process and this Signal transmissions become the process of signal transmission module in light unit to LDE.
Process of signal transmission module, for receiving the EEG signals that the transmission of brain electric ear machine control unit comes, extract concentration degree and the deep in thought degree controling parameter as lamp, the data handled well are sent to LED drive module, based on the difference of signal power, LED drive module driving LED alternating light sends the light of different colours and carries out light and shade switching.
Wireless data transfer module is Bluetooth data transfer module, and Bluetooth data transfer module has two kinds of mode of operations, i.e. data-transmission mode and distance control mode; Under data-transmission mode: LED drive module is connected with control chip serial ports, the color of control LED alternating light and light and shade change; Under distance control mode: LED drive module is not connected with control chip serial ports, the I/O mouth directly carried by chip is connected with LED alternating light, and the color of simple control LED alternating light changes but do not control its brightness.
The intelligent control method of a kind of intelligent LED Color-changing lamp based on E.E.G control of the present invention, based on the data processing algorithm of Mindwave brain electric ear machine, extract concentration degree and the deep in thought degree controling parameter as lamp, adopt communication to carry out the collection of EEG signals and the Based Intelligent Control of LED Color-changing lamp, specifically comprise the steps:
(1) receive EEG signals by Mindwave brain electric ear machine and the EEG signals received are passed through brain-wave sensor module transfer to data processor module; Data processor module carries out the extraction of interference filter and EEG signals feature to the input signal of brain-wave sensor module, and wireless data transfer module receives the EEG signals after data processor module process and this Signal transmissions become the process of signal transmission module in light unit to LDE.
(2) process of signal transmission module receives the EEG signals that the transmission of brain electric ear machine control unit comes, by signal transacting optimized algorithm from extracting required controling parameters and being converted to working control signal, extract concentration degree and the deep in thought degree controling parameter as lamp, the data handled well are sent to LED drive module, based on the difference of signal power, LED drive module driving LED alternating light sends the light of different colours and carries out light and shade switching.
The detailed process of the intelligent control method of a kind of intelligent LED Color-changing lamp based on E.E.G control of the present invention is as follows:
Mindwave brain electric ear machine sends 512 small data packets and 1 large packet each second, all data enter into the virtual serial port set by labview by Bluetooth wireless transmission, for the packet entering into serial ports, by program, whole packet is carried out to the extraction of valid data, final purpose extracts concentration degree (Attention) and these two validity feature signals of deep in thought degree (Meditation).
The leaching process of above-mentioned concentration degree and deep in thought degree is: first in 513 packets, find unique large packet.Every large packet, its data format is all as follows: AA AA 20 02 C8 83 18 00 31 6C 00 BF 2E 00 5F 58 00 73 8F 00 21 FC 00 32 CF 00 1D 92 00 18 1E 04 00 05 00 4B.Always have 36 byte compositions, find 04 and 05 this two number successively, 04 is the concentration degree needed below, and 05 is then the deep in thought degree needed below.Find all 20, here 20 employ hexadecimal, be 0x20 in fact, decimalize is namely 32. according to the large data packet format of standard: AA AA 20 02 C8 83 18 00 31 6C 00 BF 2E 00 5F 58 00 73 8F 00 21 FC 00 32 CF 00 1D 92 00 18 1E 04 00 05 00 4B.Here the 3rd 20 as the mark judging large packet, also may have 20 in other small data packets, therefore next also will strictly screen.The absolute address being 0x20 by all eligible namely numerical value carries out a process: they are moved 29 backward and starts screening.In the large packet of standard: AA AA 20 02 C8 83 18 00 31 6C 00 BF 2E 00 5F 58 00 73 8F 00 21 FC 00 32 CF 00 1D 92 00 18 1E 04 00 05 00 4B.Can see, 0x20 backward mobile 29 be exactly 0x04, represent this he after one be concentration degree.After all 0x20, move the number of 29, next will judge whether these numbers are 0x04, be the address of 0x04 to taking out, this address of taking out is relative address, instead of the absolute address in all data.As long as what have value to be 0x04 in this array all takes out their address.Obtain now the relative address of qualified 0x04, and under our setting, only have so one each second.The absolute address of this eligible 0x04 in the serial ports input array of each second can be found by this relative address.Finally, this absolute address basis adds the concentration degree that 30 are exactly needs, adding 32 is exactly that the deep in thought of needs has been spent.
After obtaining required concentration degree and deep in thought degree, next step is the process to institute's value.For the process normal form of concentration degree, numerical value enters into process subprogram, because concentrated angle value is between 0 to 100, control interval division is carried out to concentration degree coordinating oneself requirement after test of many times, and corresponding corresponding bluetooth AT instruction, uses and becomes light-operated while Bluetooth commands exports.
Wireless data transfer module adopts a multi-functional Bluetooth chip, and this chip is with two kinds of mode of operations: data-transmission mode and distance control mode.This two kinds of patterns will be made full use of in the present invention.Data-transmission mode: be connected with control chip serial ports, the color of control LED alternating light and light and shade change; Distance control mode: be not connected with control chip, is directly connected with LED by the I/O mouth that chip carries, and can realize the color change of simply control LED alternating light but can not control its brightness.Distance control mode is as the standby of transfer of data mould and extension: even if under transfer of data mould failure conditions, and distance control mode still can ensure the realization of system major part function; On the other hand owing to having reserved many control I/O mouths, its control function far away also can be used to go to control more add-on modules, for follow-up extended function provides upgrading space.
After obtaining control signal by bluetooth communication, control chip to be connected with RXD, TXD holding wire of Master control chip by self TXD, RXD and to communicate.The serial ports of control chip, after receiving the data uploaded, effectively identifies the bluetooth AT instruction sent, and then completes corresponding pwm signal output function to single-chip processor i/o mouth.
The present invention uses low-power scm as main control processor, based on the data processing algorithm of Mindwave brain electric ear machine, extraction concentration degree and deep in thought degree, as the controling parameter of lamp, adopt the short-distance wireless communication mode of bluetooth to carry out the collection of EEG signals and the Based Intelligent Control of LED.The I/O mouth driving force of single-chip microcomputer is very limited, especially pull-up current, therefore in order to effective driving LED must set up a drive amplification circuit.This circuit adopts NPN type triode, and grounded emitter, collector terminal placed LED and current limliting high-power resistance.When the voltage of NPN type triode base stage is greater than conducting voltage, now triode is conducting state, and lamp is bright; When transistor base voltage is less than conducting voltage, then triode is cut-off state, and lamp extinguishes.
For the power supply supply problem of circuit, the power subsystem in the present invention employs energy-conservation lithium battery as power source, meets the feature that the present invention is energy-conservation and miniaturized.Charging modes simultaneously for lithium battery have employed light USB interface scheme, power management chip is the MAX1811 of Maxim, MAX1811 need not Microprocessor S3C44B0X, is also set to 100mA or 500mA by logic control circuit simultaneously, meets the current standard of USB to battery charge.The charged state deixis that chip carries is by adding a status indicator lamp to judge current battery state.In charging process, when not reaching maximum charging voltage, MAX1811 carries out constant current charge to lithium battery; When reaching maximum charging voltage, then constant voltage charge is carried out to it, enhance the overvoltage protection of lithium battery.
The present invention uses low-power scm as main control processor, based on the data processing algorithm of Mindwave brain electric ear machine, extraction concentration degree and deep in thought degree, as the controling parameter of lamp, adopt the short-distance wireless communication mode of bluetooth to carry out the collection of EEG signals and the Based Intelligent Control of LED.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the intelligent LED Color-changing lamp controlled based on E.E.G, it is characterized in that: comprise brain electric ear machine control unit, LDE becomes light unit and for becoming the power subsystem that light unit provides power supply to described brain electric ear machine control unit and LDE, described brain electric ear machine control unit comprises Mindwave brain electric ear machine, brain-wave sensor module, data processor module, wireless data transfer module, and described LDE becomes light unit and comprises the process of signal transmission module, LED drive module, the LED alternating light that include control chip; Described process of signal transmission module, for receiving the EEG signals that the transmission of brain electric ear machine control unit comes, extract concentration degree and the deep in thought degree controling parameter as lamp, the data handled well are sent to LED drive module, based on the difference of signal power, LED drive module drives described LED alternating light send the light of different colours and carry out light and shade switching;
The leaching process of described concentration degree and deep in thought degree is: first in 513 packets, find unique large packet, its standard data format is: AA AA 20 02 C8 83 18 00 31 6C 00 BF 2E 00 5F 58 00 73 8F 00 21 FC 00 32 CF 00 1D 92 00 18 1E 04 00 05 00 4B, numeral 04 is the concentration degree needed below, and numeral 05 is then the deep in thought degree needed below; According to the large data packet format of above-mentioned standard, using the 3rd 20 as the mark judging large packet; By in large for above-mentioned standard packet, all numerical value is the absolute address mobile 29 backward of 0x20, judge whether the number obtained is 0x04, the relative address being 0x04 is taken out, obtain the relative address of qualified 0x04, and arrange and only have a relative address each second, after it, one is concentration degree; The absolute address of qualified 0x04 in the serial ports input array of each second is found by described relative address; Finally, described absolute address basis adds the concentration degree that 30 obtain needs, add the deep in thought degree that 32 obtain needs.
2. a kind of intelligent LED Color-changing lamp controlled based on E.E.G according to claim 1, it is characterized in that: described Mindwave brain electric ear machine for receive EEG signals and by receive EEG signals by brain-wave sensor module transfer to data processor module, described data processor module is used for the extraction input signal of brain-wave sensor module being carried out to interference filter and EEG signals feature, and described wireless data transfer module receives the EEG signals after data processor module process and this Signal transmissions become the process of signal transmission module in light unit to LDE.
3. a kind of intelligent LED Color-changing lamp controlled based on E.E.G according to claim 1, it is characterized in that: described wireless data transfer module is Bluetooth data transfer module, described Bluetooth data transfer module has two kinds of mode of operations, i.e. data-transmission mode and distance control mode; Under data-transmission mode: LED drive module is connected with control chip serial ports, the color of control LED alternating light and light and shade change; Under distance control mode: LED drive module is not connected with control chip serial ports, the I/O mouth directly carried by chip is connected with LED alternating light, and the color of simple control LED alternating light changes but do not control its brightness.
4. the intelligent control method of the intelligent LED Color-changing lamp controlled based on E.E.G, it is characterized in that: based on the data processing algorithm of Mindwave brain electric ear machine, extract concentration degree and the deep in thought degree controling parameter as lamp, adopt communication to carry out the collection of EEG signals and the Based Intelligent Control of LED Color-changing lamp, specifically comprise the steps:
(1) receive EEG signals by Mindwave brain electric ear machine and the EEG signals received are passed through brain-wave sensor module transfer to data processor module; Data processor module carries out the extraction of interference filter and EEG signals feature to the input signal of brain-wave sensor module, and wireless data transfer module receives the EEG signals after data processor module process and this Signal transmissions become the process of signal transmission module in light unit to LDE;
(2) process of signal transmission module receives the EEG signals that the transmission of brain electric ear machine control unit comes, by signal transacting optimized algorithm from extracting required controling parameters and being converted to working control signal, extract concentration degree and the deep in thought degree controling parameter as lamp, the data handled well are sent to LED drive module, based on the difference of signal power, LED drive module driving LED alternating light sends the light of different colours and carries out light and shade switching;
The leaching process of described concentration degree and deep in thought degree is: first in 513 packets, find unique large packet, its standard data format is: AA AA 20 02 C8 83 18 00 31 6C 00 BF 2E 00 5F 58 00 73 8F 00 21 FC 00 32 CF 00 1D 92 00 18 1E 04 00 05 00 4B, numeral 04 is the concentration degree needed below, and numeral 05 is then the deep in thought degree needed below; According to the large data packet format of above-mentioned standard, using the 3rd 20 as the mark judging large packet; By in large for above-mentioned standard packet, all numerical value is the absolute address mobile 29 backward of 0x20, judge whether the number obtained is 0x04, the relative address being 0x04 is taken out, obtain the relative address of qualified 0x04, and arrange and only have a relative address each second, after it, one is concentration degree; The absolute address of qualified 0x04 in the serial ports input array of each second is found by described relative address; Finally, described absolute address basis adds the concentration degree that 30 obtain needs, add the deep in thought degree that 32 obtain needs.
5. the intelligent control method of a kind of intelligent LED Color-changing lamp based on E.E.G control according to claim 4, it is characterized in that: described wireless data transfer module is Bluetooth data transfer module, described Bluetooth data transfer module has two kinds of mode of operations, i.e. data-transmission mode and distance control mode; Under data-transmission mode: LED drive module is connected with control chip serial ports, the color of control LED alternating light and light and shade change; Under distance control mode: LED drive module is not connected with control chip serial ports, the I/O mouth directly carried by chip is connected with LED alternating light, and the color of simple control LED alternating light changes but do not control its brightness.
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| CN104270692A (en) * | 2014-09-15 | 2015-01-07 | 中山市乐居智能技术开发有限公司 | Color-changing earphone based on human physiological signals |
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| CN107027233A (en) * | 2017-05-17 | 2017-08-08 | 孟柳伊 | A kind of lamp for automatically adjusting brightness, color effects and automatic switch |
| CN107231726B (en) | 2017-06-23 | 2018-12-21 | 京东方科技集团股份有限公司 | intelligent lamp |
| CN107693012B (en) * | 2017-09-20 | 2023-05-05 | 福州大学厦门工艺美术学院 | Device and method for improving concentration of children |
| CN112911770A (en) * | 2021-01-26 | 2021-06-04 | 上海交通大学 | Interactive method for enhancing artistic appreciation |
| CN112714210A (en) * | 2021-01-29 | 2021-04-27 | 福建中联智创教育科技有限公司 | Brain wave intelligent reading lamp |
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Effective date of registration: 20201222 Address after: Building 7, no.8-2, Dutou street, Daitou Town, Liyang City, Changzhou City, Jiangsu Province Patentee after: Liyang Chang Technology Transfer Center Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |