CN106507536A - A kind of illuminator and method for relying on environmental data fuzzy control street lamp at times - Google Patents

A kind of illuminator and method for relying on environmental data fuzzy control street lamp at times Download PDF

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Publication number
CN106507536A
CN106507536A CN201610939533.5A CN201610939533A CN106507536A CN 106507536 A CN106507536 A CN 106507536A CN 201610939533 A CN201610939533 A CN 201610939533A CN 106507536 A CN106507536 A CN 106507536A
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China
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fuzzy
street lamp
control
module
lamp
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王忠华
彭鸣
彭一鸣
王飞文
施远银
冷成财
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Nanchang Hangkong University
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Nanchang Hangkong University
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B45/00Circuit arrangements for operating light emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B45/00Circuit arrangements for operating light emitting diodes [LED]
    • H05B45/50Circuit arrangements for operating light emitting diodes [LED] responsive to malfunctions of LEDs; responsive to LED life; Protective circuits

Abstract

The invention discloses a kind of illuminator and method for relying on environmental data fuzzy control street lamp at times.The system is made up of single-lamp controller, Centralized Controller and remote supervisory center three parts, and the remote-wireless network technology of short-distance radio network technology and GPRS in conjunction with ZigBee realizes remotely control and information exchange to street lamp.For the excessively single problem that can not accomplish to illuminate under environmental factorss complicated and changeable on demand of causing of current its control strategy of Street lamps control technology, there is provided a kind of means of illumination of support environmental data fuzzy control street lamp at times.By the traffic situation influence factor classification consideration of the ambient light illumination of dawn and period at dusk, darkness period after midnight, improve the control accuracy of system to meet the dual requirementses of lighting quality and power savings by taking different fuzzy control methods at times.The present invention can not only rely on environmental data to realize the fuzzy control at times of street lighting, and can in real time to the power consumption of each street lamp, lamp stand inclination, surface gathered water situations such as detect.

Description

A kind of illuminator and method for relying on environmental data fuzzy control street lamp at times
Technical field
The present invention relates to the field of street lighting intelligent control technology, more particularly to one kind rely on environmental data mould at times The illuminator and method of paste control street lamp.
Background technology
With being continuously increased for road street lamp, municipal administration constantly improves to roadway lighting system, maximum to reach electric energy The saving of change.Energy-conserving control technology is applied in the illuminator of city street lamp mainly two parts, and a part is dusk, dawn When switch lamp control, another part is the brightness adjustment control of darkness period.
Current dusk, the switch lamp control method of period at dawn mainly have several as follows:(1) control manually:Mainly with people Work manual operation is opening and closing street lamp.(2) timing controlled:Mainly with the time as switch lamp foundation, complete by Timer Controlling Into, can regulation moment switch lamp.(3) illuminance control:Illuminance sensor is installed outside each street lamp power distribution cabinet, by inspection Survey ambient light illumination to control the on off state of street lamp.(4) longitude and latitude control:When i.e. according to local calculation of longitude & latitude sunrise sunset Between.
Due to the control strategy of above-mentioned several method single, troublesome poeration, run into abnormal interference easily carries out frequency to street lamp Numerous maloperation, control error are big, and cannot consider the environmental effects such as weather, season, time and geographical position, it is impossible to accomplish The purpose that turns on light on demand, does not ensure to traffic safety.
Dimming controlling method in night-time hours mainly has several as follows at present:(1) full night-light:China major part city road The control mode of full night-light (street lamp is whole night all in light state) all used by lamp, can cause the unnecessary waste and reduction of electric energy The service life of light fixture.(2) evening lamp:Take 1/2 in the second half of the night (light fixture bright every one) and 1/3 (light fixture bright every two) bright Although lamp control model, this method have saved electric energy, but uneven illumination can be caused even, have impact on the comfort level of driving, give Traffic safety brings hidden danger, while increased difficulty and the cost of construction.
Street lamps control should be on the basis of road safety be ensured, different period, section are carried out with different brightness Intelligent lighting controls, could really realize the target of energy-conservation.
Content of the invention
The present invention is for some problems occurred in above-mentioned technology, there is provided one kind relies on environmental data Fuzzy Control at times The illuminator and method of street lamp processed.The system can not only rely on environmental data to realize the fuzzy control at times of street lighting, And can in real time to the power consumption of each street lamp, lamp stand incline, surface gathered water situations such as detect, when detect street lamp occur Automatic alarm fault location can be carried out during abnormality.
Present invention also offers a kind of means of illumination for relying on environmental data fuzzy control street lamp at times.Using the method Realize the function of said system, it will very simple, convenient, and reliable.
For realizing above-mentioned purpose, the technical solution used in the present invention is as follows:A kind of support environmental data is obscured at times The illuminator of control street lamp, including single-lamp controller, Centralized Controller and remote supervisory center, remote supervisory center and concentration Communicated using GPRS wireless networks between controller, adopted between Centralized Controller and single-lamp controller and single-lamp controller Communicated with ZigBee wireless networks;The system can not only rely on environmental data to realize the Fuzzy Control at times of street lighting System, and can in real time to the power consumption of each street lamp, lamp stand inclination, surface gathered water situations such as detect, when detecting street lamp Automatic alarm fault location can be carried out when there is abnormality.
Single-lamp controller of the present invention include traffic induction module (1), environment illumination intensity detection module (2), Lamp stand tilt detection module (3), water level detecting module (4), power detection module (5), data processing module (6), adjustment brightness Module (7), street lamp shut-off module (8), LED drive power (9), LED street lamp (10), clock module (11), network communication module (12), data memory module (13), ZigBee radio-frequency modules (14), power circuit.Described traffic induction module (1), Environment illumination intensity detection module (2), lamp stand tilt detection module (3), water level detecting module (4), power detection module (5), Adjustment brightness module (7), street lamp shut-off module (8), clock module (11), data memory module (13) by I/O interfaces with Data processing module (6) connects, and described data processing module (6) is connected with network communication module (12) by UART serial ports, Described network communication module (12) is connected with ZigBee radio-frequency modules (14) by I/O interfaces;Adjustment brightness module (7) and road Lamp shut-off module (8) connection LED drive power (9), LED drive power (9) connection LED street lamp (10).Major function includes:Logical Cross ZigBee-network to receive the instruction assigned from administrative center and complete corresponding operation, the switch of such as street lamp and brightness Adjust etc.;Simultaneously the status informations such as street lamp electric current, voltage, intensity of illumination in the region for collecting are sent by ZigBee-network Give Centralized Controller (administrative center).
Centralized Controller of the present invention includes ZigBee networking modules (15), EEPROM memory modules (16), ARM micro-controls Device (17) processed, key circuit (18), GPRS wireless communication modules (19), power circuit;It is characterized in that:Described ARM micro-controls Device (17) processed arrange two UART serial ports, and two UART serial ports connect ZigBee networking modules (15), GPRS wireless telecommunications respectively Module (19);In addition ARM microcontroller (17) and EEPROM memory modules (16), key circuit (18), power circuit pass through I/O interfaces connect.Major function includes:Receive and send all of Street lamps control signal in network, the status data of record, report Alert signal etc., the control and administrative unit as a region street lamp can be realized with each single-lamp controller in region Communication, is responsible for the pool control of entire area, up data interaction is carried out by GPRS network and system administration center, descending then It is to be communicated with each single-lamp controller by ZigBee-network.
Control and administrative center of the remote supervisory center (22) as whole street lamp illumination system, by GPRS network and public affairs Network server (20) sets up connection so as to the region single-lamp controller with various places communicates, and reflects each street lamp running of each section in real time Situation, is capable of different conditions (including brightness, voltage, the electric current and power) information of display street lamp, and stores it in MYSQL Facilitate management personnel to consult in data base (21), be capable of the brightness for switching and can adjusting street lamp of remotely control street lamp, can The operations such as the response with the record reading of complete paired data, event detection and to warning message.
Wherein, data processing module (6) is mainly used in from 51 series monolithics as the core processor of data processing The status information such as street lamp electric current, voltage, environment illumination intensity, abnormal alarm data are sent after treatment in pickup area Network communication module (12) is given, while receiving the control command that network communication module (12) sends.Network communication module (12) is selected CC2530 chips with TI companies are mainly used in entering line number between data processing module as the core processor of network service Communicate according to interaction and ZigBee-network.ZigBee radio-frequency modules (14) are used for 2.4GHz working frequency range less radio-frequencies front end, pass through The power amplifier which provides is strengthening radio transmitted power and receiving sensitivity.Clock module (11) provides a benchmark for system Clock, the data byte of generation pass to data processing module (12) in a serial fashion as time reference, continuous for system Run time tolerance, report to the police moment record and the control of timing break-make.Traffic induction module (1) is used in front of inductive transducer Whether there is mobile object to realize the detection of people or car.Environment illumination intensity detection module (2) is passed by sensor with data readout light intensity The intensity of illumination of collection is directly converted into digital signal by sensor, convenient for data processing module (12) process.Lamp stand inclines inspection The output level for surveying circuit when module (3) is tilted beyond certain angle by lamp stand changes to judge whether lamp stand inclines.Water level When detection module (4) exceedes early warning waterline by actual water level, the output level of circuit changes to judge surface gathered water situation. Power detection module (5) is used for measurement circuitry voltage and current virtual value, the energy consumption of the current street lamp of real-time detection.Street lamp is closed Disconnected module (8) drive the couple state of opto-coupler chip, and then leading by audion by the I/O mouths of data processing module (12) Logical cut-off driving cut-offfing for relay, so as to realize the switching manipulation to street lamp.LED drive power (9) is adjusted from 0/1-10V Photoelectric source, connects the output current that adjustment brightness module (7) can change power supply afterwards by 0~10V change in voltage, realizes that street lamp is bright The regulation of degree.
Wherein, STM32F103 chip of the ARM microcontroller (17) from ST companies, based on ARM Cortex-M3 kernels, Central processing unit as Centralized Controller.ZigBee networking modules (15) are saved for coordinating to set up in network and management network Point.MG301 module of the GPRS wireless communication modules (19) from Huawei Company, supports note and data service, for long-range Control centre carries out TCP/IP connections, realizes that the remote monitor to street lamp is managed.Key circuit (18) be provided with chamber door report to the police, The button such as timing controlled and intensity control, and status indicator lamp is equipped with for each button such that it is able to realize various control The setting and switching of mode.EEPROM memory modules (16) are used for data record, can be same with the time for the data occur by data Shi Jilu.
A kind of means of illumination for relying on environmental data fuzzy control street lamp at times, is operated using said system, its It is characterised by, by the traffic situation influence factor classification of the ambient light illumination of dawn and period at dusk, darkness period after midnight Consideration, takes ambient light illumination fuzzy control method in dawn and period at dusk, and in darkness, the period takes vehicle flowrate to obscure after midnight Control method.Improve the control accuracy of system to meet lighting quality and section by taking different fuzzy control methods at times The dual requirementses of electric effect.
System is controlled to street lamp in different time sections alternating using the fuzzy controller of two dual input list export structures System, which is the fuzzy controller FC of corresponding dusk and period at dawn respectively1Fuzzy controller with corresponding darkness period after midnight FC2.Its operation principle is:System provides a reference clock, rises the difference of sunset time according to Various Seasonal day, fuzzy to two The time point that controller is opened and closed is adjusted.Sunrise is to opening fuzzy controller FC during one hour after before sunset1, root Switch lamp decision-making and brightness adjustment control are made on time according to ambient illumination values and ambient light illumination rate of change information;Morning zero point is to before sunrise Fuzzy controller FC is opened during one hour2, according to LED street lamp present output power and road surface pedestrian, vehicle condition information from Dynamic adjustment street lamp brightness rank carries out multistage brightness adjustment control;Other times are not turned on two fuzzy controllers, reduce gulping down for system The amount of telling.
Wherein, ambient light illumination fuzzy control method, relies on fuzzy controller FC1, comprise the steps:
(1) signal is gathered:System reads ambient light illumination in the period at dawn to dusk with environment illumination intensity detection module Value, and blunder error is rejected using multisensor Data Fusion technology, ambient light illumination rate of change is calculated by sampling.
(2) fuzzy quantization:Using obtain ambient illumination values and ambient light illumination rate of change as fuzzy control input quantity, profit With membership function fuzzy quantization obtaining two corresponding Indistinct Input amounts.
(3) fuzzy reasoning:Fuzzy reasoning is carried out according to fuzzy control rule to two Indistinct Input amounts of above-mentioned acquisition, with Obtain corresponding fuzzy output amount.
(4) fuzzy decision:Fuzzy decision is carried out to above-mentioned fuzzy output amount and obtains fuzzy control output, according to fuzzy The actual Street lamps control amount that controlled output amount is converted is controlling switch lamp and the light modulation of street lamp.
Vehicle flowrate fuzzy control method, relies on fuzzy controller FC2, comprise the steps:
(1) signal is gathered:System obtains road surface pedestrian, car in darkness period after midnight by traffic induction module Situation information, and the present output power of street lamp is obtained by power detection module.
(2) fuzzy quantization:Using the road surface pedestrian, vehicle condition information and street lamp present output power for obtaining as Fuzzy Control The input quantity of system, using membership function fuzzy quantization obtaining two corresponding Indistinct Input amounts.
(3) fuzzy reasoning:Fuzzy reasoning is carried out according to fuzzy control rule to two Indistinct Input amounts of above-mentioned acquisition, with Obtain corresponding fuzzy output amount.
(4) fuzzy decision:Fuzzy judgment is carried out to above-mentioned fuzzy output amount and obtains fuzzy control output, according to fuzzy The actual Street lamps control amount that controlled output amount is converted is controlling the brightness degree of street lamp.
Preferably, in above-mentioned technical proposal, fuzzy reasoning type adopts Mamdani types, fuzzy Decision Making Method center of gravity Method.
Preferably, in above-mentioned technical proposal, the Fuzzy Linguistic Variable point of the ambient illumination values and ambient light illumination rate of change It is not:{ DA (dark), DM (brighter), DB (bright) } and { NB (negative big), NS (negative little), O (zero), PS (just little), PB (honest) };Institute The Fuzzy Linguistic Variable for stating road surface pedestrian, vehicle condition information and street lamp present output power is respectively:E (have motion people or Vehicle), N (nonmotile people or vehicle) } and { PH (excessively bright), PB (moderate), PM (duskiness), PL (excessively dark) };The Fuzzy Control Device FC processed1The Fuzzy Linguistic Variable of output be:{S10(turning off the light), N (do-nothing operation), S01(turn on light and with output as 50% Work), S12(street lamp output is changed into 100% work from 50%), S02(turn on light and output be 100% work) };Institute State fuzzy controller FC2The Fuzzy Linguistic Variable of output be:YH (big), YB (in), YM (in micro-), YL (little) }.
Preferably, in above-mentioned technical proposal, membership function Sigmoid types and the bell of the ambient illumination values, institute State the membership function triangle of ambient light illumination rate of change and trapezoidal;The road surface pedestrian, vehicle condition information are subordinate to letter Number uses Sigmoid types, the membership function triangle of the street lamp present output power and trapezoidal.
The present invention compared with prior art, enters with following obvious prominent substantive distinguishing features and notable technology Step:Traditional control method typically only considers that single control parameter, lighting quality and power savings can not reach optimal balance. Street lamp control system is a time-varying, multivariate, the complication system of non-linear, many interference, and ambient light illumination has changeableness, can be with The different and different of weather, season, time and geographical position, and are also suffered from light interference, are covered the impact of interference etc., Night road surface pedestrian, vehicle condition information are even more has polytropy, it is impossible to which accurately make decisions behavior.Therefore of the present invention Illuminator by dusk and dawn, influence factor's classification consideration of night-time hours, by adding fuzzy decision intelligent algorithm, make be System can according to sensor acquisition to environmental information make rational illumination strategies.Can be directed to not on the same day at the twilight moment Gas, season neatly control the on off state of street lamp and brightness regulation, when night, the period had Pedestrians and vehicles to pass through after midnight Ensure the normal illumination of road, reduce automatically street lamp brightness when without Pedestrians and vehicles.By taking different controlling parties at times Method achieves flexible, effective street lamp intelligentized control method, improves the reliability of system, it is ensured that the current safety of road, On the premise of meeting Pedestrians and vehicles lighting demand, the energy has been saved as far as possible.And the present invention is also equipped with perfect failure report Street lamp parameters can be carried out real-time detection by alarm system, and when having street lamp abnormality occur, system will be reported automatically Alert, attendant can be processed to failure in time according to warning message, carry out timely, efficient emergency first-aid repair so that city City's lighting installation can do autonomous emergency response under various emergency situations in the case where human intervention is not received.Therefore of the invention The characteristics of there is practical, low production cost, high intelligence degree, in terms of city street lamp management level and efficiency is improved Have very important significance.
Description of the drawings
Fig. 1 is the structured flowchart for relying on the environmental data illuminator of fuzzy control street lamp at times according to the present invention.
Fig. 2 is the ZigBee-network communication flow diagram of the single-lamp controller according to the present invention.
Information processing and controlling flow chart of Fig. 3 positions according to the single-lamp controller of the present invention.
Main program flow chart of Fig. 4 positions according to the Centralized Controller of the present invention.
Fig. 5 is the structured flowchart for relying on the environmental data means of illumination of fuzzy control street lamp at times according to the present invention.
Fig. 6 is the internal structure block diagram of the two-dimensional fuzzy controller according to the present invention.
Fig. 7 is the fuzzy reasoning table for changing S according to the street lamp output of the present invention.
Fig. 8 is the fuzzy reasoning table of street lamp brightness change of rank Y according to the present invention.
In figure, people's induction module (1), environment illumination intensity detection module (2), lamp stand tilt detection module (3), water level Detection module (4), power detection module (5), data processing module (6), adjustment brightness module (7), street lamp shut-off module (8), LED drive power (9), LED street lamp (10), clock module (11), network communication module (12), data memory module (13), ZigBee radio-frequency modules (14), ZigBee networking modules (15), EEPROM memory modules (16), ARM microcontroller (17), button Circuit (18), GPRS wireless communication modules (19), public network server (20), MYSQL database (21), remote monitoring center (22).
Specific embodiment
In order that the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right The present invention is further elaborated.Specific embodiment described herein is only in order to explaining the present invention, it should be understood that this The protection domain of invention is not limited by specific embodiment.
Embodiment one:Referring to Fig. 1, a kind of illumination for relying on environmental data fuzzy control street lamp at times of the present invention System.It includes single-lamp controller, Centralized Controller and remote supervisory center.In the system the transmission of data be based on two kinds not Same communication (short-range ZigBee communication pattern and remote GPRS communication patterns).ZigBee-network is realized Centralized Controller and remote supervisory center are realized in communication between the single-lamp controller and Centralized Controller of each street lamp, GPRS network (22) communication between.When remote supervisory center (22) need to check lamp condition information, by the biography of street lamp single-lamp controller Sensor module is responsible for Real-time Collection lamp condition information, and is uploaded to Centralized Controller by ZigBee radio-frequency modules (14) ZigBee networking modules (15).Centralized Controller converges to the data of all streetlamp control terminal sensing nodes in compass of competency Total merge, data are uploaded to public network server (20) using GPRS wireless communication modules (19), public network server (20) again Data are sent to remote supervisory center (22), and remote supervisory center (22) can be stored data in MYSQL database (21), Management personnel are facilitated to consult.Remote supervisory center (22) is automatically performed final data analysiss, collects and show.Simultaneously long-range Supervision center (22) can also pass through the shut-off of every street lamp and output in management system interface remote control scope.
Embodiment two:Referring to Fig. 2 and Fig. 3, the groundwork that described single-lamp controller is completed is:Add ZigBee nets The order that network, read/write street lamp data, the data for receiving and dispatching and processing ZigBee-network and order, basis are received is grasped to street lamp Make.The network communication module (12) of single-lamp controller is responsible for the constructing communication network of list Lantern Festival point, mainly interruption is carried out corresponding Process, the interruption of process there are two classes:One class is that ZigBee-network interrupts, and an also class is that serial ports interrupts.Network communication module (12) start after initial work completes, the network to be added such as need, the generation to be interrupted such as add after network, in receiving Interrupt handling routine is carried out after disconnected, is interrupted executing different operating according to different.ZigBee-network interrupts concentrating control for receiving The Street lamps control signal (road lamp switch and dimming commands) that device processed is issued, and send it to data processing module (6);In serial ports The single lamp data sended over for receiving data processing module (6) break (as lamp condition, environmental information and fault alarm are believed Breath) and passed through ZigBee-network and upload to Centralized Controller.Data processing module (6) is responsible for the information processing of list Lantern Festival point And control, the main interruption for processing three types:One class is that serial ports interrupts, and a class is timer interruption, and an also class is detection The hardware interrupts that module is produced (such as water-level alarm signal, lamp stand incline alarm signal and traffic induced signal etc.).Serial ports When interrupting producing, the street lamp operational order that reception network communication module (12) is sended over carries out the switch lamp of LED street lamp (10) And Dimming operation.When timer interruption is produced, the parameters such as the voltage x current and ambient illumination values of street lamp are read first, and main Move and parameter is sent to network communication module (12) by serial ports.When producing hardware interrupts, its interrupt type is first determined whether, and is read Current system clock is taken, alarm parameters are uploaded to network service mould together with current time by the difference according to interrupt type Block (12).
Embodiment three:Referring to Fig. 4, it is each that described Centralized Controller collects compass of competency by ZigBee networking modules (15) The data of individual single-lamp controller, and by these data is activations to GPRS wireless communication modules (19), so Centralized Controller is suitable Then the gateway in illuminator.Centralized Controller passes through agreement after receiving the control command that remote supervisory center (22) issues Instruction is changed, and ZigBee networking modules (15) are sent to by serial ports, while Centralized Controller receives ZigBee networkings The data for receiving simultaneously are packaged by data that module (15) is transmitted according to agreement, are sent by GPRS wireless communication modules (19) Public network server (20) is arrived, and records the time.In addition, concentrator devises key circuit (18), configuration can be carried out to system and is come Change the control mode of street lamp and update system time.After the completion of ARM microcontroller (17) initial work, start to execute master Cyclic program, it is first determined whether needing to carry out system configuration, is then carried out to control mode etc. by button if necessary to configuration Configuration, and will be stored in EEPROM memory modules (16) with the status information for postponing.Then serial ports is waited to interrupt, logical using serial ports Letter is communicated with ZigBee networking modules (15), GPRS wireless communication modules (19), needs to interrupt being divided into GPRS nets by serial ports Network interrupts and ZigBee-network interrupts.Interrupt from GPRS wireless communication modules (19) when, it is first determined whether need to concentrate Controller is operated ,if needed the corresponding parameter of modification Centralized Controller, and returns confirmation signal, it is not necessary to which modification is concentrated If controller, judge whether to need to transmit data in ZigBee networking modules (15), if necessary by the number for receiving ZigBee networking modules (15) are sent to according to by serial ports, corresponding single-lamp controller are transferred to by ZigBee-network then, Otherwise operation failure abandons data, returns failure information to GPRS wireless communication modules (19), passes public network server (20) back.In Disconnected judge whether to need to upload data, if being, read system RTC clock when coming from ZigBee networking modules (15), should Data and current time are stored in EEPROM memory modules (16), and are sent to GPRS wireless communication modules (19), are otherwise lost Abandon.
Example IV:Referring to Fig. 5, a kind of illumination for relying on environmental data fuzzy control street lamp at times of the present invention Method, is operated using a kind of illuminator of the fuzzy control street lamp at times of the support environmental data described in embodiment 1.By There is changeableness, unintelligible characteristic in ambient light illumination, if unlatching and the pass of street lamp is controlled with the single amount of ambient light illumination Close, street lamp can be caused to frequently switch on, and in the case where weather anomaly changes, such as rainy weather, the actual darkness time To shift to an earlier date than normal condition, time daybreak will postpone;Road surface pedestrian, vehicle condition information are even more has polytropy.Therefore will The traffic situation influence factor classification consideration of the ambient light illumination of dawn and period at dusk, darkness period after midnight, at dawn Ambient light illumination fuzzy control method is adopted with the period at dusk, the period takes vehicle flowrate fuzzy control method after midnight in darkness.Logical Improve the control accuracy of system to meet the double of lighting quality and power savings after different fuzzy control methods are taken at times Weight demand.
The system is carried out to street lamp in different time sections alternating using the fuzzy controller of two dual input list export structures Control, fuzzy controller FC when which is corresponding dusk and dawn respectively1Fuzzy controller with corresponding darkness period after midnight FC2.Its operation principle is:System provides a reference clock, rises the difference of sunset time according to Various Seasonal day, fuzzy to two The time point that controller is opened and closed is adjusted.Sunrise is to opening fuzzy controller FC during one hour after before sunset1, root Switch lamp decision-making and brightness adjustment control are made on time according to ambient illumination values and ambient light illumination rate of change information;Morning zero point is to before sunrise Fuzzy controller FC is opened during one hour2, according to LED street lamp present output power and road surface pedestrian, vehicle condition information from Dynamic adjustment street lamp brightness rank carries out multistage brightness adjustment control;Other times are not turned on two fuzzy controllers, reduce gulping down for system The amount of telling.
Embodiment five:Referring to Fig. 5 and Fig. 6, the ambient light illumination fuzzy control method relies on fuzzy controller FC1, bag Include following steps:
(1) signal is gathered:Environment illumination intensity detection module work time period be sunrise to one hour after before sunset, if Be set to the measured value that an environment illumination intensity detection module was read per 30 seconds, brightness value is converted into by Theoretical Calculation. N illuminance measuring pilot is set in certain section in advance, the brightness value at a certain for all test points moment is passed through Data fusion technique In scattergram method rejecting blunder error, the meansigma methodss that is then tried to achieve with method of arithmetical average are shone as the environment at a certain moment Angle value, and the ambient light illumination rate of change at the moment is calculated by sampling.
If:L (k) is the ambient illumination values at current time, and l (k-1) was the ambient illumination values at a upper moment, and lc is that illumination becomes Rate, T is the sampling period, and the computing formula of illumination change rate lc is:
Lc=[l (k)-l (k-1)]/T, T=30 seconds
(2) fuzzy quantization:Using obtain ambient illumination values l and ambient light illumination rate of change lc as fuzzy control input Amount, using membership function fuzzy quantization obtaining two corresponding Indistinct Input amounts.
Perceived according to human visual and relevant criterion, during dusk, environment is released souls from purgatory less than 30lx (units of the lx for illuminance) When, LED illumination is enabled, and is worked with 50% power.During less than 15lx, LED illumination is worked with 100% power.Ring during dawn When border illumination reaches 20lx, street lamp is closed.Then the fuzzy domain l={ l | 0≤l≤30 } in ambient illumination values l upper defines mould Paste linguistic variable:{ DA (dark), DM (brighter), DB (bright) }.Consider that dawn is slow with what the ambient light illumination of period at dusk changed Property and symmetry, membership function Sigmoid types and the bell of ambient illumination values l.If the Indistinct Input amount which obtains is L.
According to experiment measurement, when dawn and dusk, ambient light illumination rate of change is less than 0.5lx/s.In in ambient light illumination The upper ambiguity in definition linguistic variables of fuzzy domain lc={ lc | -0.5≤lc≤0.5 } of rate of change lc are:{ NB (negative big), NS is (negative Little), O (zero), PS (just little), PB (honest) }, the membership function triangle of ambient light illumination rate of change lc and trapezoidal, this two Plant function algorithm simple, processing speed is fast, and the requirement of Street lamps control is met in precision.If the Indistinct Input amount which obtains is LC.
(3) fuzzy reasoning:Fuzzy reasoning is carried out according to fuzzy control rule to two Indistinct Input amounts of above-mentioned acquisition, with Obtain corresponding fuzzy output amount.
There is changeableness and the characteristic for being difficult to ponder and Mamdani fuzzy reasoning methods to be applied to control in view of ambient light illumination The characteristics of obtaining mathematical models and diverse class controlled device is difficult, is therefore built using Mamdani fuzzy reasoning methods Found its fuzzy rule.The fuzzy rule form of its dual input list output can be write as following form:
If L=LiAnd LC=LCjThen S=Sij, (i=1,2,3;J=1,2,3,4,5)
" If " is partly called the former piece of fuzzy rule, and " then " is partly called the consequent of fuzzy rule.By two input quantities Input of the membership function after through obfuscation as fuzzy operator, using the degree of membership of whole If parts as the defeated of fuzzy operator Go out.By fuzzy operator, the Complete Mappings of the former piece in being subordinate to angle value and each fuzzy rule are completed.Use again Mamdani fuzzy implication operators, are inferred to conclusion by former piece.
The fuzzy rule of Indistinct Input amount LC of Indistinct Input amount L and ambient light illumination rate of change lc based on ambient illumination values l Then table as shown in fig. 7, fuzzy output amount be street lamp output change, if its obtain fuzzy output amount be S.
(4) fuzzy decision:Fuzzy decision is carried out to above-mentioned fuzzy output amount S and obtains fuzzy control output, according to mould The actual Street lamps control amount that converts of paste controlled output amount is controlling switch lamp and the light modulation of street lamp.
Wherein, fuzzy Decision Making Method adopts centroid method, and the method is the reasonable and accurate method of comparison.If to fuzzy output It is fuzzy control output s that amount S carries out the value that fuzzy decision obtains, and the Fuzzy Linguistic Variable of s is:{S10, N, S01, S12, S02, Its fuzzy domain s=s | -1≤s≤1 }.Wherein S10Expression is turned off the light (changed power scope is -1~-0.3), i.e., output is During 30%~100% any value, as long as ambient illumination values are from 20lx to 0lx, output is transferred to 0;N represents do-nothing operation (changed power scope is -0.1~0.1);S01Expression is turned on light, and as 50% work, (changed power scope is with output 0.35~0.45);S12Represent that output is changed into 100% work from 50% (changed power scope is 0.55~0.65);S02Table Show and turn on light and output is 100% work (changed power scope be 0.8~1), output membership function adopts triangle.
Using having the technical effect that ambient light illumination fuzzy control method is realized:Can be directed to different weather, season, the time and Geographical position neatly controls on off state and the light modulation of street lamp using fuzzy decision algorithm, effectively prevents light and masking Deng impact of the interference factor to system, enable the system to make rational illumination strategies, it is ensured that pedestrian, the safety traffic of vehicle.
Embodiment six:Referring to Fig. 5 and Fig. 6, the vehicle flowrate fuzzy control method relies on fuzzy controller FC2, including Following steps:
(1) signal is gathered:During morning zero point to the previous hour of sunrise, power detection module is to the current output of street lamp Power is acquired, and traffic induction module obtains road surface pedestrian, car by whetheing there is mobile object in front of inductive transducer Situation information.
If:C is road surface pedestrian, vehicle condition information, and p is street lamp present output power.
(2) fuzzy quantization:Using the road surface pedestrian, vehicle condition information c and street lamp present output power p for obtaining as fuzzy The input quantity of control, using membership function fuzzy quantization obtaining two corresponding Indistinct Input amounts.
As traffic induction module is output switch parameter, therefore by judging detection by the height of its output voltage Whether front has pedestrian or the vehicle, road surface pedestrian, the Fuzzy Linguistic Variable of vehicle condition information c to be:{E:There are people or the car of motion (sensor output voltage for height), N:Nonmotile people or vehicle (sensor output voltage is low) }, its fuzzy domain c= { c | c=0 | | c=1 }, road surface pedestrian, the membership function of vehicle condition information Sigmoid types, if its obtain fuzzy defeated Enter amount for C.
This method mainly studies the illumination of through street and major trunk roads, according to road illumination standards specification, this kind of road night Average illumination should be 25lx, and brightness value is normal illumination range between 15~30lx, and brightness value was bright shape more than 30lx State, brightness value are duskiness state in 5~15lx, and brightness value was dark state less than 5lx.The advance output to LED street lamp Carry out interval division corresponding with the brightness value of road, pole height is set to 8~10 meters, street lamp output be 110~ Road brightness value corresponding to 140W (W is the unit of power) is 30~40lx, and street lamp output is corresponding to 70~110W Road brightness value be 15~30lx, it is 5~15lx that street lamp output is road brightness value corresponding to 40~70W, street lamp It is 0~5lx that output is the road brightness value corresponding to 0~40W, then in the fuzzy domain p of street lamp present output power p =p | and 0≤p≤140 } upper ambiguity in definition linguistic variable:{ PH (excessively bright), PB (moderate), PM (duskiness), PL (excessively dark) }.Street lamp The membership function triangle of present output power and trapezoidal, if its Indistinct Input amount for obtaining is P.
(3) fuzzy reasoning:Fuzzy reasoning is carried out according to fuzzy control rule to two Indistinct Input amounts of above-mentioned acquisition, with Obtain corresponding fuzzy output amount.
Equally its fuzzy rule is set up using Mamdani fuzzy reasoning methods, based on road surface pedestrian, vehicle condition information c The fuzzy reasoning table of Indistinct Input amount P of Indistinct Input amount C and street lamp present output power p is as shown in figure 8, fuzzy output amount is Street lamp brightness change of rank, if its fuzzy output amount for obtaining is Y.
(4) fuzzy judgment:Fuzzy decision is carried out to above-mentioned fuzzy output amount Y and obtains fuzzy control output, according to mould The actual Street lamps control amount that converts of paste controlled output amount is controlling the brightness degree of street lamp.
Wherein, fuzzy Decision Making Method equally adopts centroid method, if carry out the value that fuzzy decision obtains to fuzzy output amount Y being Fuzzy control output y, the Fuzzy Linguistic Variable of y is:YH (big), YB (in), YM (in micro-), YL (little) }, its fuzzy domain y =y | 0≤y≤10 }, it is divided into 11 brightness degrees, output power range is 30%~100% linear regulation.YH represents street lamp It is adjusted to 8~10 grades (i.e. street lamp outputs be 80%~100%), YB represents that street lamp is adjusted to 5~7 grades of (i.e. street lamp outputs For 50%~80%), YM represents that street lamp is adjusted to 2~4 grades (i.e. street lamp output is 30%~50%), and YL represents that street lamp is adjusted to 0~1 grade (i.e. street lamp output is 0%~30%), output membership function adopts triangle.
Using having the technical effect that vehicle flowrate fuzzy control method is realized:Realize that vehicle forward direction street lamp keeps all light shape State, vehicle recover the grade dark to again through street lamp later, are finally reached system and are meeting street lighting demand In the case of saves energy effect.
Embodiment described above illustrates that the purpose with illustration, its describe more concrete and in detail, but can not be because This and be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, On the premise of without departing from present inventive concept, some deformations and improvement can also be made, these belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be defined by claims.

Claims (8)

1. a kind of illuminator for relying on environmental data fuzzy control street lamp at times, it is characterised in that:The system includes list Lamp controller, Centralized Controller and remote supervisory center, adopt GPRS wireless networks between remote supervisory center and Centralized Controller Network is communicated, and is led to using ZigBee wireless networks between Centralized Controller and single-lamp controller and single-lamp controller Letter.
2. a kind of illuminator for relying on environmental data fuzzy control street lamp at times according to claim 1, its feature It is:The single-lamp controller includes that traffic induction module (1), environment illumination intensity detection module (2), lamp stand incline inspection Survey module (3), water level detecting module (4), power detection module (5), data processing module (6), adjustment brightness module (7), road Lamp shut-off module (8), LED drive power (9), LED street lamp (10), clock module (11), network communication module (12), data are deposited Storage module (13), ZigBee radio-frequency modules (14), power circuit;Described traffic induction module (1), environment illumination intensity Detection module (2), lamp stand tilt detection module (3), water level detecting module (4), power detection module (5), adjustment brightness module (7), street lamp shut-off module (8), clock module (11), data memory module (13) are by I/O interfaces and data processing module (6) connect, described data processing module (6) is connected with network communication module (12) by UART serial ports, described network leads to Letter module (12) is connected with ZigBee radio-frequency modules (14) by I/O interfaces;Adjustment brightness module (7) and street lamp shut-off module (8) connection LED drive power (9), LED drive power (9) connection LED street lamp (10).
3. a kind of illuminator for relying on environmental data fuzzy control street lamp at times according to claim 1, its feature It is:The Centralized Controller include ZigBee networking modules (15), EEPROM memory modules (16), ARM microcontroller (17), Key circuit (18), GPRS wireless communication modules (19), power circuit;Described ARM microcontroller (17) arranges two UART Serial ports, two UART serial ports connect ZigBee networking modules (15), GPRS wireless communication modules (19) respectively;In addition ARM micro-controls Device (17) processed and EEPROM memory modules (16), key circuit are connected by I/O interfaces between (18).
4. a kind of illuminator for relying on environmental data fuzzy control street lamp at times according to claim 1, its feature It is:Remote supervisory center (22) control and administrative center as whole street lamp illumination system, by GPRS network with Public network server (20) sets up connection so as to the region single-lamp controller with various places communicates, and reflects each street lamp fortune of each section in real time Make situation, be capable of the different conditions information of display street lamp, and store it in MYSQL database (21) and facilitate management personnel to look into Read, be capable of the brightness for switching and can adjusting street lamp of remotely control street lamp, can be with the record reading of complete paired data, event inspection The operation such as survey and the response to warning message.
5. a kind of means of illumination for relying on environmental data fuzzy control street lamp at times according to claim 1, using upper State illuminator to be operated, it is characterised in that:Vehicle by the ambient light illumination of dawn and period at dusk, darkness period after midnight Pedestrian's situation influence factor classification consideration, takes ambient light illumination fuzzy control method in dawn and period at dusk, later half in darkness Period at night takes vehicle flowrate fuzzy control method;Improve the control essence of system by taking different fuzzy control methods at times Spend to meet the dual requirementses of lighting quality and power savings.
6. a kind of means of illumination for relying on environmental data fuzzy control street lamp at times according to claim 5, its feature It is:Street lamp is controlled in different time sections alternating using the fuzzy controller of two dual input list export structures, its point It is not the fuzzy controller FC of corresponding dusk and period at dawn1Fuzzy controller FC with corresponding darkness period after midnight2;Its work As principle it is:Illuminator provides a reference clock, rises the difference of sunset time according to Various Seasonal day, to two fuzzy controls The time point that device is opened and closed is adjusted;Sunrise is to opening fuzzy controller FC during one hour after before sunset1, according to ring Border brightness value and ambient light illumination rate of change information make switch lamp decision-making and brightness adjustment control on time;Morning zero point is previous little to sunrise When during open fuzzy controller FC2, adjusted according to LED street lamp present output power and road surface pedestrian, vehicle condition information automatically Whole street lamp brightness rank carries out multistage brightness adjustment control;Other times are not turned on two fuzzy controllers, reduce the handling capacity of system.
7. a kind of means of illumination for relying on environmental data fuzzy control street lamp at times according to claim 5, its feature It is:The ambient light illumination fuzzy control method, relies on fuzzy controller FC1, comprise the steps:
(1) signal is gathered:System reads ambient illumination values in the period at dawn to dusk with environment illumination intensity detection module, and Blunder error is rejected using multisensor Data Fusion technology, ambient light illumination rate of change is calculated by sampling;
(2) fuzzy quantization:Using obtain ambient illumination values and ambient light illumination rate of change as fuzzy control input quantity, using person in servitude Membership fuction fuzzy quantization is obtaining two corresponding Indistinct Input amounts;
(3) fuzzy reasoning:Fuzzy reasoning is carried out according to fuzzy control rule to two Indistinct Input amounts of above-mentioned acquisition, to obtain Corresponding fuzzy output amount;
(4) fuzzy decision:Fuzzy decision is carried out to above-mentioned fuzzy output amount and obtains fuzzy control output, according to fuzzy control The actual Street lamps control amount that output is converted is controlling switch lamp and the light modulation of street lamp.
8. a kind of means of illumination for relying on environmental data fuzzy control street lamp at times according to claim 5, its feature It is:The vehicle flowrate fuzzy control method, relies on fuzzy controller FC2, comprise the steps:
(1) signal is gathered:System obtains road surface pedestrian, vehicle feelings in darkness period after midnight by traffic induction module Condition information, and the present output power of street lamp is obtained by power detection module;
(2) fuzzy quantization:Using the road surface pedestrian, vehicle condition information and street lamp present output power for obtaining as fuzzy control Input quantity, using membership function fuzzy quantization obtaining two corresponding Indistinct Input amounts;
(3) fuzzy reasoning:Fuzzy reasoning is carried out according to fuzzy control rule to two Indistinct Input amounts of above-mentioned acquisition, to obtain Corresponding fuzzy output amount;
(4) fuzzy decision:Fuzzy decision is carried out to above-mentioned fuzzy output amount and obtains fuzzy control output, according to fuzzy control The actual Street lamps control amount that output is converted is controlling the brightness degree of street lamp.
CN201610939533.5A 2016-10-31 2016-10-31 A kind of illuminator and method for relying on environmental data fuzzy control street lamp at times Pending CN106507536A (en)

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Application publication date: 20170315