CN108319150A - The full running state information perception of bionethanation system and optimal control system and method - Google Patents

The full running state information perception of bionethanation system and optimal control system and method Download PDF

Info

Publication number
CN108319150A
CN108319150A CN201810378406.1A CN201810378406A CN108319150A CN 108319150 A CN108319150 A CN 108319150A CN 201810378406 A CN201810378406 A CN 201810378406A CN 108319150 A CN108319150 A CN 108319150A
Authority
CN
China
Prior art keywords
bionethanation
value
anaerobic fermentation
fermentation unit
operating status
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810378406.1A
Other languages
Chinese (zh)
Other versions
CN108319150B (en
Inventor
赵峰
张广渊
裴文卉
潘为刚
杨光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Jiaotong University
Original Assignee
Shandong Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Jiaotong University filed Critical Shandong Jiaotong University
Priority to CN201810378406.1A priority Critical patent/CN108319150B/en
Publication of CN108319150A publication Critical patent/CN108319150A/en
Application granted granted Critical
Publication of CN108319150B publication Critical patent/CN108319150B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/042Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Evolutionary Computation (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses the full running state information perception of bionethanation system and optimal control system and method, the full operating status cloud real-time data base of full operating status cloud real-time data base including bionethanation system, bionethanation system is communicated with the operating status sensory perceptual system of the pretreatment unit of bionethanation system, the anaerobic fermentation unit information acquisition system of bionethanation system, biogas transmission & distribution fate row state perception system, sewage treatment unit operating status sensory perceptual system and bionethanation system environmental information sensory perceptual system.Select the operating status feature of bionethanation system;The deep belief network DBN of construction;Successively greedy training, uses backpropagation BP algorithm, adjusting parameter, the training of completion;Bionethanation system real time data is input in the DBN of training completion, generates Optimal Control variable;It completes to control according to Optimal Control variable.It can effectively solve the problems, such as there is that the numerous bionethanation system operational process real-time optimistic control of operational process complexity, influence factor is difficult and factor of created gase is low.

Description

The full running state information perception of bionethanation system and optimal control system and method
Technical field
The present invention relates to the full operating status letters of the running optimizatin control technology field more particularly to bionethanation system of bionethanation system Breath perception and optimal control system and method.
Background technology
Energy shortages, environmental pollution and climate change be restrict current world economy and social sustainable development it is important because Element, energy and environmental problem have become the Vital Strategic Problems paid high attention to both at home and abroad.
The excrement of large-scale plant that raises poultry discharge, not only causes serious water pollution, air pollution and soil pollution, and And easily cause poultry and cause a disease, directly affect the epidemic preventing sanitary and livestock product quality of cultivation.And develop large and medium-sized bionethanation system It is to realize that ecologic breeding promotes regional circular economy development, reduces breeding pollution raising environmental quality, Development of Pollution-free Agricultural Products The important channel for ensuring food safety and developing and using biogas new energy, is of great significance.
But bionethanation system is a complicated microbial biochemical process, anaerobic environment, the carbon-nitrogen ratio of raw material, fermentation temperature Degree, acid-base value, enzyme concentration, concentration of substrate etc. are the important key factors for influencing bionethanation system efficient aerogenesis, see clearly bionethanation system Operation mechanism and extremely difficult to the optimal control of its production process.Bionethanation system can Effec-tive Function, except depend on biogas The apparatus structure of system is more dependent upon to the full state information perception of the operational process of bionethanation system and real-time optimistic control side Method excavates bionethanation system operation mechanism based on history data, establishes operational process of the intelligent expert system to bionethanation system Real-time Optimal regulation and control, to make the Effec-tive Function of bionethanation system and improve factor of created gase.
Invention content
The purpose of the present invention be exactly to solve the above-mentioned problems, provide a kind of full running state information perception of bionethanation system with Optimal control system and method can effectively solve have many characteristics, such as the bionethanation system fortune that operational process is complicated, influence factor is numerous The problem that row process real-time optimistic control is difficult and factor of created gase is low.
To achieve the goals above, the present invention adopts the following technical scheme that:
The full running state information sensory perceptual system of bionethanation system includes the full operating status cloud real time data of bionethanation system The operating status perception system of library, the full operating status cloud real-time data base of the bionethanation system and the pretreatment unit of bionethanation system System, the anaerobic fermentation unit information acquisition system of bionethanation system, biogas transmission & distribution fate row state perception system, sewage treatment unit Operating status sensory perceptual system and the communication of bionethanation system environmental information sensory perceptual system.
The operating status sensory perceptual system of the pretreatment unit of the bionethanation system includes the first CPU module, the first CPU Module is connect with the first AI Analog input mModules, the first AI Analog input mModules and the first ultrasonic water level gauge, One temperature transmitter and the detection meter connection of the first total solid concentration, first CPU module realize the water level to pretreatment unit, The information Perception and acquisition of temperature and total solid concentration.
The anaerobic fermentation unit operating status sensory perceptual system of the bionethanation system includes the second CPU module, the 2nd CPU Module is connect with the 2nd AI Analog input mModules and the first DI digital quantity input modules;
The 2nd AI Analog input mModules and the second ultrasonic water level gauge, second temperature transmitter, pH sensor, Second total solid concentration detection meter, the first chemical oxygen demand magnitude detection meter, the first biochemical oxygen demand (BOD) value detection meter, the first volatility Organic acid detection meter and oxidation-reduction potentiometer connection;
The first DI digital quantity input modules are connect with overload limit switch;
Realization is to the liquid level of anaerobic fermentation unit, temperature, pH value, total solid concentration and the overload-alarm of top middle part lower part Information Perception and acquisition.
The biogas transmission & distribution gas unit operating status sensory perceptual system includes third CPU module, the third CPU module and the Three AI Analog input mModules and the connection of the 2nd DI digital quantity input modules;
The 3rd AI Analog input mModules and CH4Concentration detector, CO2Concentration detector, O2Concentration detector, H2S Concentration detector, biogas flowmeter, biogas moisture detector, methane pressure gauge connection;
The 2nd DI digital quantity input modules are connect with biogas leakage alarm;
Realize the CH to biogas transmission & distribution gas unit4、CO2、O2And H2S concentration and biogas flow, moisture, pressure and biogas are let out Reveal information Perception and the acquisition of alarm.
The sewage treatment unit operating status sensory perceptual system includes the 4th CPU module, the 4th CPU module and the 4th AI Analog input mModules and the connection of the 3rd DI digital quantity input modules;
The 4th AI Analog input mModules are needed with sewage temperature meter, sewage flowmeter, sewage level meter, the second chemistry Oxygen amount value detection meter, the second biochemical oxygen demand (BOD) value detection meter, the second volatile organic acids detection meter, suspended matter value detection meter connect It connects;
The 3rd DI digital quantity input modules are connect with smoke detection alarm;
It realizes to the flow of sewage, temperature, liquid level, COD, biochemical oxygen demand (BOD), volatile organic acids and suspended matter Information Perception and acquisition.
The bionethanation system environment information acquisition system includes the 5th CPU module, the 5th CPU module and the 5th AI moulds Analog quantity input module and the connection of the 4th DI digital quantity input modules;
The 5th AI Analog input mModules are connect with environment temperature meter, ambient humidity meter, barometer, airspeedometer;
The 4th DI digital quantity input modules are connect with smoke detection alarm;
Realize the information Perception and acquisition that temperature, humidity, atmospheric pressure, wind speed and the smoke detection of bionethanation system are alarmed.
The full operating status cloud real-time data base of the bionethanation system includes cloud computing all-in-one machine, the cloud computing all-in-one machine Pass through the operating status sensory perceptual system of 10,000,000,000 interchangers and the pretreatment unit of the bionethanation system, the anaerobic fermentation of bionethanation system Unit information acquisition system, biogas transmission & distribution fate row state perception system, sewage treatment unit operating status sensory perceptual system and natural pond Gas system environmental information sensory perceptual system communicates;
The cloud computing all-in-one machine has real-time production data library, the inquiry of historical data library and real-time production data library and history The tables of data in data query library;Two databases are synchronized by Golden Gate softwares.
3.3 have separately designed the number in the real-time production data library and the inquiry of historical data library of the full state information of bionethanation system According to table.The day tables of data in real-time production data library only retains data on the 1st in every table.The inquiry of historical data library devises day Tables of data, moon tables of data, will be in the menology on day on data deposit corresponding date by ETL.
The optimal control system of the bionethanation system of full running state information sensory perceptual system based on the bionethanation system, it is described The full operating status cloud real-time data base of bionethanation system is communicated with intelligent expert system, and the intelligent expert system is also controlled with PLC Device processed, automatic feed/discharge system, material total solid concentration auto-scheduling system, pH value automatic control system, automatic blending system, Automatic blowdown system and anaerobic fermentation unit automatic warming system communication;
The PLC controller, automatic feed/discharge system, material total solid concentration auto-scheduling system, pH value automatically control System, automatic blending system, automatic blowdown system and anaerobic fermentation unit automatic warming system according to intelligent expert module most Excellent control result carries out optimum control.
Based on the control method of the optimal control system, including:
Step 1 selects the operating status feature V of bionethanation systemi
Step 2 constructs deep belief network DBN;
Step 3, by the history run state feature V of bionethanation systemiDBN is inputted, it is first successively greedy to train DBN, it reuses Backpropagation BP algorithm adjusts DBN parameters, completes the training of DBN;
Bionethanation system real time data is input in the DBN that step 4.3 training is completed by step 4, is generated Optimal Control and is become Amount
Step 5 is completed to control according to the Optimal Control variable of the step 4.
Wherein,
Vi=[LTYCL,TYCL,TSYCL,LTYY,TYY-S,TYY-Z,TYY-X,PHYY,TSYY,CODYY,BODYY,VFAYY,CH4YY, CO2YY,LZQ,WZQ,PZQ,THJ,RHHJ,PHJ,SHJ];LTYCLFor the level value of pretreatment unit, TYCLFor the temperature of pretreatment unit Value, TSYCLFor the material TS concentration values of pretreatment unit, LTYYFor the level value of anaerobic fermentation unit, TYY-SFor anaerobic fermentation list The upper temp value of member, TYY-ZFor the middle portion temperature value of anaerobic fermentation unit, TYY-XFor the temperature of lower value of anaerobic fermentation unit, PHYYFor the pH value of anaerobic fermentation unit, TSYYFor the material TS concentration values of anaerobic fermentation unit, CODYYFor anaerobic fermentation unit Chemical oxygen demand magnitude, BODYYFor the biochemical oxygen demand (BOD) value of anaerobic fermentation unit, VFAYYVolatility for anaerobic fermentation unit is organic Acid value, CH4YYFor CH4Concentration value, CO2YYFor CO2Concentration value, LZQFor biogas flow value, WZQFor biogas moisture value, PZQFor biogas Pressure value, THJFor ambient temperature value, RHHJFor environmental wet angle value, PHJFor ambient atmosphere pressure value, SHJFor ambient wind velocity value;
The specific method of the step 1 includes:
Step 1.1, using C-C method phase space reconfiguration bionethanation system operating status time serieses vi, set viDelay when Between tiWith Embedded dimensions mi, and take ti=1 and mi=3600, by bionethanation system running state data viUnified Expression is vi=[vi (t),vi(t-1),…,vi(t-(3600-1))];
Step 1.2, V is selectediFor bionethanation system characteristic,
Vi=[LTYCL,TYCL,TSYCL,LTYY,TYY-S,TYY-Z,TYY-X,PHYY,TSYY,CODYY,BODYY,VFAYY,CH4YY, CO2YY,LZQ,WZQ,PZQ,THJ,RHHJ,PHJ,SHJ], by ViCharacteristic is expressed as 21 × 3600 history data time sequence Column vector.
The specific method of the step 5 includes:
Step 5.1, according to step 4 institute optimum control variable fermentation unit optimum temperature value PLC controller makes anaerobic fermentation unit be maintained at optimum temperature using the temperature-increasing system of pid control algorithm control bionethanation system Value;
Step 5.2, according to step 4 institute optimum control variable fermentation unitPLC controller controls discharging system using pid control algorithm, makes anaerobism The TS concentration values of fermentation unit are maintained at best TS concentration values;
Step 5.3, according to step 4 institute optimum control variable fermentation unitPLC controller is calculated using PID control Method controls pH value mixing system, and the pH value of anaerobic fermentation unit is made to be maintained at best PH concentration values;
Step 5.4, interval time is most preferably stirred according to step 4 institute optimum control variable fermentation unitPLC is controlled The mixing time of device timing controlled stirring system.
Beneficial effects of the present invention:
The present invention efficiently solve the bionethanation system that complicated, moving law difficulty is excavated with operation mechanism be difficult to realize it is optimal Aerogenesis controls problem, is perceived by the full state information and real-time optimistic control integrated design method, is adopted based on historical data The moving law of bionethanation system effectively can be excavated and seen clearly with deep learning method, and is based on intelligent expert system optimal control in real time Producing methane production process can effectively improve the factor of created gase and aerogenesis total amount of bionethanation system.
Description of the drawings
Fig. 1 is full state information perception and the real-time optimistic control integrated design method structure chart of bionethanation system;
Fig. 2 is the full state information cognitive method structure chart of bionethanation system;
Database schema figure when Fig. 3 is the total state mysorethorn of bionethanation system;
Database table design drawing when Fig. 4 is the total state mysorethorn of bionethanation system;
Fig. 5 is the bionethanation system intelligent expert system structure chart based on deep learning;
Fig. 6 is the optimal control system structure chart of bionethanation system.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
The invention mainly comprises:The total state sensory perceptual system of bionethanation system, the total state cloud real-time data base of bionethanation system, Bionethanation system intelligent expert system based on deep learning, the real-time optimistic control system of bionethanation system.Its overall technical architecture Structure chart is as shown in Figure 1.
The full running state information sensory perceptual system of bionethanation system, including:The operating status of the pretreatment unit of bionethanation system Sensory perceptual system, the anaerobic fermentation unit information sensory perceptual system of bionethanation system, biogas transmission & distribution fate row state perception system, at sewage Manage unit operating status sensory perceptual system, bionethanation system environmental information sensory perceptual system.Its technical solution structure chart is as shown in Figure 2.
The pretreatment unit operating status sensory perceptual system of bionethanation system:Including the first CPU module, the first CPU module and the One AI Analog input mModules connect, and the first AI Analog input mModules and the first ultrasonic water level gauge, the first temperature become Device and the first total solid concentration is sent to detect meter connection, first CPU module is realized to the water level of pretreatment unit, temperature and total The information Perception of solid concentration and acquisition.First CPU module uses SIEMENS PLC S7-300CPU.
The anaerobic fermentation unit operating status sensory perceptual system of bionethanation system:Including the second CPU module (SIEMENS PLC S7- 300CPU), the 2nd AI Analog input mModules, the first DI digital quantity input modules, the second ultrasonic water level gauge, second temperature become Send device, pH sensor, total solid (TS) Concentration Testing meter, the first COD (COD) value detection meter, the first biochemistry aerobic (BOD) value detection meter, the first volatile organic acids (VFA) detection meter, oxidation-reduction potentiometer (ORP), overload limit switch are measured, The information Perception of the liquid level to anaerobic fermentation unit, the temperature of top middle part lower part, pH value, TS concentration and overload-alarm can be achieved With acquisition.
Biogas transmission & distribution gas unit operating status sensory perceptual system:Including:Third CPU module (SIEMENS PLC S7-300CPU), 3rd AI Analog input mModules, the 2nd DI digital quantity input modules, CH4Concentration detector, CO2Concentration detector, O2Concentration is examined Survey device, H2S concentration detectors, biogas flowmeter, biogas moisture detector, methane pressure gauge, biogas leakage alarm, it can be achieved that To the CH of biogas transmission & distribution gas unit4、CO2、O2And H2S concentration and biogas flow, moisture, pressure and the information of biogas leakage alarm Perception and acquisition.
Sewage treatment unit operating status sensory perceptual system:Including:4th CPU module (SIEMENS PLC S7-300CPU moulds Block), the 4th AI Analog input mModules, the 3rd DI digital quantity input modules, sewage temperature meter, sewage flowmeter, sewage level Meter, the second COD (COD) value detection meter, the second biochemical oxygen demand (BOD) (BOD) value detection meter, the second volatile organic acids (VFA) detection meter, suspended matter (SS) value detection meter, smoke detection alarm, realize to the flow of sewage, temperature, liquid level, COD, The information Perception of BOD, VFA, SS and acquisition.
Bionethanation system environment information acquisition system:Including:5th CPU module (SIEMENS PLC S7-300CPU), the 5th AI Analog input mModule, the 4th DI digital quantity input modules, environment temperature meter, ambient humidity meter, barometer, airspeedometer, smog Detecting alarm, it can be achieved that the temperature of bionethanation system, humidity, atmospheric pressure, wind speed and the information Perception of smoke detection alarm with adopt Collection.
The full operating status cloud real-time data base of bionethanation system includes mainly:10,000,000,000 interchanger of cloud computing all-in-one machine.Cluster Framework uses Hadoop framework, and underlying database uses PI real-time data bases, with Flow Technique data loading.By real-time data base It is deployed on the distributed structure/architecture of cloud computing, by the parallel distributed calculating of cloud computing and multi-duplicate technology, realizes magnanimity number According to real-time storage.Data Physical protection, and the SnapShot using NetApp memory mechanisms are realized using RAID6 technologies simultaneously Mathematical logic protection is realized with SnapRestore technologies.
The full operating status cloud real-time data base of bionethanation system includes the full state information real-time production data of bionethanation system Library and the inquiry of historical data library, two databases are synchronized by Golden Gate softwares, database schema such as Fig. 3 institutes Show.
It further include the tables of data in the real-time production data library and the inquiry of historical data library of the full state information of bionethanation system.It is real When Production database day tables of data, data on the 1st are only retained in every table.The inquiry of historical data library devise a day tables of data, Month tables of data, will be in the menology on day on data deposit corresponding date by ETL.Its database table is as shown in Figure 4.
The optimal control system of the bionethanation system of full running state information sensory perceptual system based on the bionethanation system, it is described The full operating status cloud real-time data base of bionethanation system is communicated with intelligent expert system, and the intelligent expert system is also controlled with PLC Device processed, automatic feed/discharge system, material total solid concentration auto-scheduling system, pH value automatic control system, automatic blending system, Automatic blowdown system and anaerobic fermentation unit automatic warming system communication;
The PLC controller, automatic feed/discharge system, material total solid concentration auto-scheduling system, pH value automatically control System, automatic blending system, automatic blowdown system and anaerobic fermentation unit automatic warming system according to intelligent expert module most Excellent control result carries out optimum control.
Control method based on optimal control system, as shown in figure 5, including
Step 1: the operating status feature extraction of bionethanation system, selects the operating status feature V of bionethanation systemi
Vi=[LTYCL,TYCL,TSYCL,LTYY,TYY-S,TYY-Z,TYY-X,PHYY,TSYY,CODYY,BODYY,VFAYY,CH4YY, CO2YY,LZQ,WZQ,PZQ,THJ,RHHJ,PHJ,SHJ];
Wherein:LTYCLFor the level value of pretreatment unit, TYCLFor the temperature value of pretreatment unit, TSYCLIt is single for pretreatment The material TS concentration values of member, LTYYFor the level value of anaerobic fermentation unit, TYY-SFor the upper temp value of anaerobic fermentation unit, TYY-ZFor the middle portion temperature value of anaerobic fermentation unit, TYY-XFor the temperature of lower value of anaerobic fermentation unit, PHYYFor anaerobic fermentation list The pH value of member, TSYYFor the material TS concentration values of anaerobic fermentation unit, CODYYFor the chemical oxygen demand magnitude of anaerobic fermentation unit, BODYYFor the biochemical oxygen demand (BOD) value of anaerobic fermentation unit, VFAYYFor the volatile organic acids value of anaerobic fermentation unit, CH4YYFor CH4Concentration value, CO2YYFor CO2Concentration value, LZQFor biogas flow value, WZQFor biogas moisture value, PZQFor biogas pressure value, THJFor Ambient temperature value, RHHJFor environmental wet angle value, PHJFor ambient atmosphere pressure value, SHJFor ambient wind velocity value;
Step 2: the deep belief network (DBN) of construction;
The DBN is based on limited Boltzmann machine (RBM), determines the network number of plies of DBN and each node layer quantity;
Step 3: training depth belief network (DBN);
By the history run state feature V of bionethanation systemiDBN is inputted, it is first successively greedy to train DBN, reuse reversed biography BP algorithm is broadcast, DBN parameters is adjusted, completes the training of DBN;
Step 4: the Optimal Control variable output of bionethanation system;
Bionethanation system real time data is input in the DBN that step 3 training is completed, generates Optimal Control variable
Wherein,For the optimal material TS concentration values of pretreatment unit,For the optimal liquid level of anaerobic fermentation unit Value,For the optimal upper temp value of anaerobic fermentation unit,For the optimal middle portion temperature value of anaerobic fermentation unit, For the optimal temperature of lower of anaerobic fermentation unit,For the optimal pH value of anaerobic fermentation unit,For anaerobic fermentation unit Optimal material TS concentration values,For the optimal COD value of anaerobic fermentation unit,For anaerobic fermentation unit Optimal biochemical oxygen demand (BOD) value,For the optimal volatile organic acids value of anaerobic fermentation unit,For anaerobic fermentation unit Optimal stirring interval time;
In step 1, the operating status feature extraction, detailed process is as follows:
Step 1.1, operating status characteristic variable is extracted:
Vi=[LTYCL,TYCL,TSYCL,LTYY,TYY-S,TYY-Z,TYY-X,PHYY,TSYY,CODYY,BODYY,VFAYY,CH4YY, CO2YY,LZQ,WZQ,PZQ,THJ,RHHJ,PHJ,SHJ];
Wherein:LTYCLFor the level value of pretreatment unit, TYCLFor the temperature value of pretreatment unit, TSYCLIt is single for pretreatment The material TS concentration values of member, LTYYFor the level value of anaerobic fermentation unit, TYY-SFor the upper temp value of anaerobic fermentation unit, TYY-ZFor the middle portion temperature value of anaerobic fermentation unit, TYY-XFor the temperature of lower value of anaerobic fermentation unit, PHYYFor anaerobic fermentation list The pH value of member, TSYYFor the material TS concentration values of anaerobic fermentation unit, CODYYFor the chemical oxygen demand magnitude of anaerobic fermentation unit, BODYYFor the biochemical oxygen demand (BOD) value of anaerobic fermentation unit, VFAYYFor the volatile organic acids value of anaerobic fermentation unit, CH4YYFor CH4Concentration value, CO2YYFor CO2Concentration value, LZQFor biogas flow value, WZQFor biogas moisture value, PZQFor biogas pressure value, THJFor Ambient temperature value, RHHJFor environmental wet angle value, PHJFor ambient atmosphere pressure value, SHJFor ambient wind velocity value;
Step 1.2, using C-C method phase space reconfiguration bionethanation system operating status time serieses vi, set viDelay when Between tiWith Embedded dimensions mi, and take ti=1 and mi=3600, by bionethanation system running state data viUnified Expression is vi=[vi (t),vi(t-1),…,vi(t-(3600-1))];
Step 1.3, according to step 1.2, by ViFor bionethanation system characteristic ViCharacteristic is expressed as 21 × 3600 and goes through History operation data time series vector;
In step 2, the deep belief network DBN of the construction specifically includes following steps:
Step 2.1,5 layers of DBN based on RBM, including 1 input layer, 3 hidden layers and 1 decision-making level are constructed;
Step 2.2, it is 21 × 3600 to specify the input layer number of DBN;First hidden layer number of nodes is 1000;Second A hidden layer number of nodes is 1000;Third hidden layer number of nodes is 2000;The number of nodes of decision-making level is 11.
Step 3, the trained DBN, specifically includes following steps:
Step 3.1,5 layers of DBN are successively trained using to sdpecific dispersion CD algorithms, calculates 3 hidden layers and 1 is determined Weights between the output valve of plan layer and each layer and biasing;
Step 3.2, entire DBN is adjusted using BP algorithm, optimizes DBN parameters, complete the training of the DBN overall situations.
Step 5: the real-time optimistic control of bionethanation system, as shown in fig. 6,
Step 5.1 is according to step 4 institute optimum control variable fermentation unit optimum temperature valuePLC Controller makes anaerobic fermentation unit be maintained at optimum temperature value using the temperature-increasing system of pid control algorithm control bionethanation system;
Step 5.2:According to step 4 institute optimum control variable fermentation unitPLC controller controls discharging system using pid control algorithm, makes anaerobism The TS concentration values of fermentation unit are maintained at best TS concentration values;
Step 5.3:According to step 4 institute optimum control variable fermentation unitPLC controller is calculated using PID control Method controls pH value mixing system, and the pH value of anaerobic fermentation unit is made to be maintained at best PH concentration values;
Step 5.4:Interval time is most preferably stirred according to step 4 institute optimum control variable fermentation unitPLC is controlled The mixing time of device timing controlled stirring system.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (10)

1. the full running state information sensory perceptual system of bionethanation system, characterized in that the full operating status mysorethorn including bionethanation system When database, the operating status of the full operating status cloud real-time data base of the bionethanation system and the pretreatment unit of bionethanation system Sensory perceptual system, the anaerobic fermentation unit information acquisition system of bionethanation system, biogas transmission & distribution fate row state perception system, at sewage Manage unit operating status sensory perceptual system and the communication of bionethanation system environmental information sensory perceptual system.
2. the full running state information sensory perceptual system of bionethanation system as described in claim 1, characterized in that the bionethanation system The operating status sensory perceptual system of pretreatment unit includes the first CPU module, first CPU module and the first AI analog inputs Module connects, and the first AI Analog input mModules and the first ultrasonic water level gauge, the first temperature transmitter and first are total solid Bulk concentration detection meter connection, first CPU module realize the information to the water level of pretreatment unit, temperature and total solid concentration Perception and acquisition.
3. the full running state information sensory perceptual system of bionethanation system as described in claim 1, characterized in that the bionethanation system Anaerobic fermentation unit operating status sensory perceptual system includes the second CPU module, second CPU module and the 2nd AI analog inputs Module and the connection of the first DI digital quantity input modules;
The 2nd AI Analog input mModules and the second ultrasonic water level gauge, second temperature transmitter, pH sensor, second Total solid concentration detection meter, the first chemical oxygen demand magnitude detection meter, the first biochemical oxygen demand (BOD) value detection meter, the first volatility are organic Acid detection meter and oxidation-reduction potentiometer connection;
The first DI digital quantity input modules are connect with overload limit switch;
Realize the letter of the liquid level to anaerobic fermentation unit, the temperature of top middle part lower part, pH value, total solid concentration and overload-alarm Breath perception and acquisition.
4. the full running state information sensory perceptual system of bionethanation system as described in claim 1, characterized in that the biogas transmission & distribution gas Unit operating status sensory perceptual system includes third CPU module, the third CPU module and the 3rd AI Analog input mModules and the Two DI digital quantity input modules connect;
The 3rd AI Analog input mModules and CH4Concentration detector, CO2Concentration detector, O2Concentration detector, H2S concentration Detector, biogas flowmeter, biogas moisture detector, methane pressure gauge connection;
The 2nd DI digital quantity input modules are connect with biogas leakage alarm;
Realize the CH to biogas transmission & distribution gas unit4、CO2、O2And H2S concentration and biogas flow, moisture, pressure and biogas leakage alarm Information Perception and acquisition.
5. the full running state information sensory perceptual system of bionethanation system as described in claim 1, characterized in that the sewage disposal list First operating status sensory perceptual system includes the 4th CPU module, the 4th CPU module and the 4th AI Analog input mModules and third DI digital quantity input modules connect;
The 4th AI Analog input mModules and sewage temperature meter, sewage flowmeter, sewage level meter, the second COD Value detection meter, the second biochemical oxygen demand (BOD) value detection meter, the second volatile organic acids detection meter, suspended matter value detection meter
Connection;
The 3rd DI digital quantity input modules are connect with smoke detection alarm;
Realize the letter to the flow of sewage, temperature, liquid level, COD, biochemical oxygen demand (BOD), volatile organic acids and suspended matter Breath perception and acquisition.
6. the full running state information sensory perceptual system of bionethanation system as described in claim 1, characterized in that the bionethanation system ring Border information acquisition system includes the 5th CPU module, the 5th CPU module and the 5th AI Analog input mModules and the 4th DI numbers Word amount input module connects;
The 5th AI Analog input mModules are connect with environment temperature meter, ambient humidity meter, barometer, airspeedometer;
The 4th DI digital quantity input modules are connect with smoke detection alarm;
Realize the information Perception and acquisition that temperature, humidity, atmospheric pressure, wind speed and the smoke detection of bionethanation system are alarmed.
7. the full running state information sensory perceptual system of bionethanation system as described in claim 1, characterized in that the bionethanation system Full operating status cloud real-time data base includes cloud computing all-in-one machine, and the cloud computing all-in-one machine passes through 10,000,000,000 interchangers and the natural pond Operating status sensory perceptual system, the anaerobic fermentation unit information acquisition system of bionethanation system, the biogas of the pretreatment unit of gas system Transmission & distribution fate row state perception system, sewage treatment unit operating status sensory perceptual system and bionethanation system environmental information sensory perceptual system Communication;
The cloud computing all-in-one machine has real-time production data library, the inquiry of historical data library and real-time production data library and historical data Inquire the tables of data in library;Two databases are synchronized by Golden Gate softwares.
3.3 have separately designed the data in the real-time production data library and the inquiry of historical data library of the full state information of bionethanation system Table.The day tables of data in real-time production data library only retains data on the 1st in every table.The inquiry of historical data library devises number of days It, will be in the menology on day on data deposit corresponding date by ETL according to table, moon tables of data.
8. the optimum control system of the bionethanation system of the full running state information sensory perceptual system based on bionethanation system described in claim 1 System, characterized in that the full operating status cloud real-time data base of the bionethanation system is communicated with intelligent expert system, and the intelligence is special Family's system also automatically controls with PLC controller, automatic feed/discharge system, material total solid concentration auto-scheduling system, pH value and is System, automatic blending system, automatic blowdown system and anaerobic fermentation unit automatic warming system communication;
The PLC controller, automatic feed/discharge system, material total solid concentration auto-scheduling system, pH value automatic control system, Automatic blending system, automatic blowdown system and anaerobic fermentation unit automatic warming system are according to the optimum control of intelligent expert module As a result optimum control is carried out.
9. the control method based on optimal control system according to any one of claims 8, characterized in that including:
Step 1 selects the operating status feature V of bionethanation systemi
Step 2 constructs deep belief network DBN;
Step 3, by the history run state feature V of bionethanation systemiDBN is inputted, it is first successively greedy to train DBN, it reuses reversed BP algorithm is propagated, DBN parameters is adjusted, completes the training of DBN;
Bionethanation system real time data is input in the DBN that step 4.3 training is completed, generates Optimal Control variable by step 4
Step 5 is completed to control according to the Optimal Control variable of the step 4.
Wherein,
Vi=[LTYCL,TYCL,TSYCL,LTYY,TYY-S,TYY-Z,TYY-X,PHYY,TSYY,CODYY,BODYY,VFAYY,CH4YY,CO2YY, LZQ,WZQ,PZQ,THJ,RHHJ,PHJ,SHJ];LTYCLFor the level value of pretreatment unit, TYCLFor the temperature value of pretreatment unit, TSYCLFor the material TS concentration values of pretreatment unit, LTYYFor the level value of anaerobic fermentation unit, TYY-SFor anaerobic fermentation unit Upper temp value, TYY-ZFor the middle portion temperature value of anaerobic fermentation unit, TYY-XFor the temperature of lower value of anaerobic fermentation unit, PHYY For the pH value of anaerobic fermentation unit, TSYYFor the material TS concentration values of anaerobic fermentation unit, CODYYFor the change of anaerobic fermentation unit Learn aerobic magnitude, BODYYFor the biochemical oxygen demand (BOD) value of anaerobic fermentation unit, VFAYYFor the volatile organic acids of anaerobic fermentation unit Value, CH4YYFor CH4Concentration value, CO2YYFor CO2Concentration value, LZQFor biogas flow value, WZQFor biogas moisture value, PZQFor biogas pressure Force value, THJFor ambient temperature value, RHHJFor environmental wet angle value, PHJFor ambient atmosphere pressure value, SHJFor ambient wind velocity value;
The specific method of the step 1 includes:
Step 1.1, using C-C method phase space reconfiguration bionethanation system operating status time serieses vi, set viDelay time ti With Embedded dimensions mi, and take ti=1 and mi=3600, by bionethanation system running state data viUnified Expression is vi=[vi(t), vi(t-1),…,vi(t-(3600-1))];
Step 1.2, V is selectediFor bionethanation system characteristic,
Vi=[LTYCL,TYCL,TSYCL,LTYY,TYY-S,TYY-Z,TYY-X,PHYY,TSYY,CODYY,BODYY,VFAYY,CH4YY,CO2YY, LZQ,WZQ,PZQ,THJ,RHHJ,PHJ,SHJ], by ViCharacteristic be expressed as 21 × 3600 history data time series to Amount.
10. control method as claimed in claim 9, characterized in that the specific method of the step 5 includes:
Step 5.1, according to step 4 institute optimum control variable fermentation unit optimum temperature valuePLC is controlled Device processed makes anaerobic fermentation unit be maintained at optimum temperature value using the temperature-increasing system of pid control algorithm control bionethanation system;
Step 5.2, according to step 4 institute optimum control variable fermentation unit PLC controller controls discharging system using pid control algorithm, so that the TS concentration values of anaerobic fermentation unit is maintained at best TS dense Angle value;
Step 5.3, according to step 4 institute optimum control variable fermentation unitPLC controller uses pid control algorithm control PH value mixing system processed makes the pH value of anaerobic fermentation unit be maintained at best PH concentration values;
Step 5.4, interval time is most preferably stirred according to step 4 institute optimum control variable fermentation unitPLC controller is fixed When control stirring system mixing time.
CN201810378406.1A 2018-04-25 2018-04-25 Full-running state information sensing and optimal control system and method for biogas system Active CN108319150B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810378406.1A CN108319150B (en) 2018-04-25 2018-04-25 Full-running state information sensing and optimal control system and method for biogas system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810378406.1A CN108319150B (en) 2018-04-25 2018-04-25 Full-running state information sensing and optimal control system and method for biogas system

Publications (2)

Publication Number Publication Date
CN108319150A true CN108319150A (en) 2018-07-24
CN108319150B CN108319150B (en) 2023-05-23

Family

ID=62895347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810378406.1A Active CN108319150B (en) 2018-04-25 2018-04-25 Full-running state information sensing and optimal control system and method for biogas system

Country Status (1)

Country Link
CN (1) CN108319150B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109184933A (en) * 2018-09-10 2019-01-11 山东交通学院 The collaboration optimal control method and system of biogas internal combustion engine generator group
CN109184931A (en) * 2018-11-13 2019-01-11 山东交通学院 The active control system and method for biogas internal combustion engine generator group
CN109401961A (en) * 2018-10-16 2019-03-01 上海量能生物科技有限公司 Biological culture system with artificial intelligence
CN109456887A (en) * 2018-10-16 2019-03-12 上海量能生物科技有限公司 Biological culture system based on Internet of Things
CN111176121A (en) * 2020-02-06 2020-05-19 山东大学 Vehicle control unit optimization system and method based on cloud platform
WO2022095501A1 (en) * 2020-11-06 2022-05-12 深圳市深能环保东部有限公司 Abnormality identification and adjustment method in anaerobic treatment process for household waste leachate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202054663U (en) * 2011-05-24 2011-11-30 武汉凯迪水务水处理有限公司 Dissolved oxygen automatic control system for sewage water biological pool
US8417391B1 (en) * 2011-12-15 2013-04-09 Restore Nv Automated demand response energy management system
CN103305413A (en) * 2012-03-15 2013-09-18 北京愿景宏能源环保科技发展有限公司 Biogas fermentation gas supply engineering control system
CN203950194U (en) * 2014-07-16 2014-11-19 南京宏博环保实业有限公司 A kind of biogas real-time monitoring system
WO2017188858A1 (en) * 2016-04-28 2017-11-02 Schlumberger Canada Limited Reservoir performance system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202054663U (en) * 2011-05-24 2011-11-30 武汉凯迪水务水处理有限公司 Dissolved oxygen automatic control system for sewage water biological pool
US8417391B1 (en) * 2011-12-15 2013-04-09 Restore Nv Automated demand response energy management system
CN103305413A (en) * 2012-03-15 2013-09-18 北京愿景宏能源环保科技发展有限公司 Biogas fermentation gas supply engineering control system
CN203950194U (en) * 2014-07-16 2014-11-19 南京宏博环保实业有限公司 A kind of biogas real-time monitoring system
WO2017188858A1 (en) * 2016-04-28 2017-11-02 Schlumberger Canada Limited Reservoir performance system

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"沼气工程物联网构建及应用分析", 《中国沼气》 *
刘浩;沈星;曲浩丽;王鹏军;: "粒子群优化的神经网络PID沼气干发酵温度控制", 计算机工程与设计 *
单臣玉;程志;崔耀东;闫吉春;: "宁夏农村沼气工程物联网智能监控系统构建", 宁夏农林科技 *
赵孝文,等: "厌氧发酵工艺的BP神经网络建模与粒子群算法优化", 《应用能源技术》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109184933A (en) * 2018-09-10 2019-01-11 山东交通学院 The collaboration optimal control method and system of biogas internal combustion engine generator group
CN109401961A (en) * 2018-10-16 2019-03-01 上海量能生物科技有限公司 Biological culture system with artificial intelligence
CN109456887A (en) * 2018-10-16 2019-03-12 上海量能生物科技有限公司 Biological culture system based on Internet of Things
CN109184931A (en) * 2018-11-13 2019-01-11 山东交通学院 The active control system and method for biogas internal combustion engine generator group
CN109184931B (en) * 2018-11-13 2024-01-19 山东交通学院 Active control system and method for methane internal combustion generator set
CN111176121A (en) * 2020-02-06 2020-05-19 山东大学 Vehicle control unit optimization system and method based on cloud platform
WO2022095501A1 (en) * 2020-11-06 2022-05-12 深圳市深能环保东部有限公司 Abnormality identification and adjustment method in anaerobic treatment process for household waste leachate

Also Published As

Publication number Publication date
CN108319150B (en) 2023-05-23

Similar Documents

Publication Publication Date Title
CN108319150A (en) The full running state information perception of bionethanation system and optimal control system and method
Qdais et al. Modeling and optimization of biogas production from a waste digester using artificial neural network and genetic algorithm
Ozkaya et al. Neural network prediction model for the methane fraction in biogas from field-scale landfill bioreactors
Ramm et al. Sulfide production in anaerobic microcosms
CN104326558B (en) Simulation original position river bottom mud anaerobic ammonium oxidation process device and using method and application
CN201888129U (en) Automatic agricultural production line in factory mode
Kaštánek et al. In-field experimental verification of cultivation of microalgae Chlorella sp. using the flue gas from a cogeneration unit as a source of carbon dioxide
CN107557293A (en) Electromagnetism reinforced anaerobic digests gas production system and its regulation and control method
CN108168608A (en) The innoxious highly effective compost quality on-line intelligence monitoring system of agriculture and animal husbandry waste
Saghouri et al. Modeling and optimization of biomethane production from solid-state anaerobic co-digestion of organic fraction municipal solid waste and other co-substrates
CN105087441A (en) Complex microbial community and application thereof in alcohol production by syngas fermentation
Robles et al. A fuzzy-logic-based controller for methane production in anaerobic fixed-film reactors
CN208044320U (en) The full running state information perception of bionethanation system and optimal control system
Ghaly et al. Kinetics of batch production of ethanol from cheese whey
CN115959933A (en) Intelligent control method and system for aerobic composting
CN113885463B (en) System and method for regulating and controlling technological parameters of livestock biological bacterial fertilizer aerobic fermentation tank
CN208454612U (en) Ecosystem restoration system for river
CN103936472B (en) Batch production aerobic compost stereo data real-time acquisition system
Lin et al. Prediction of wastewater treatment system based on deep learning
Venkateswarlu Advances in monitoring and state estimation of bioreactors
CN212246816U (en) Livestock and poultry breeding excrement aerobic humification device and excrement aerobic humification system
CN206157163U (en) Solar biogas digester
CN203440372U (en) Automatic control system of anaerobic fermentation tank pH value
Eke Hydrocarbon removal with constructed wetlands
CN207845265U (en) A kind of anaerobic waste water biodegradation instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 250023 No. 5 Jiao Tong Road, Tianqiao District, Shandong, Ji'nan

Applicant after: Shandong Jiaotong University

Address before: No. 5001, Haitang Road, Science Park, Changqing University, Changqing District, Jinan City, Shandong Province

Applicant before: Shandong Jiaotong University

GR01 Patent grant
GR01 Patent grant