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business needs analysis
3.1 Main business description
(1) Description of the main business of the dispatch center
The supporting project dispatching center is a first-level dispatching organization, and it is also the unified dispatching center of the raw water supply of the water group.
The dispatching center is the general responsible unit for the whole-line water dispatching of supporting projects, responsible for the formulation of the whole-line water supply plan and dispatching plan, engineering technology management, operation management, water quantity monitoring, engineering safety monitoring, water quality monitoring, engineering flood control, information system management, financial and Asset management, water fee collection, etc. The dispatching center can realize remote monitoring of the electromechanical equipment of each field station.
(2) Description of the main business of the distribution center
Caozhuang Pumping Station, Beitang Reservoir, Wangqingtuo Reservoir, Chaixinzhuang Pumping Station, Luanluan Information Management Dispatching Center 5 Dispatching Center Construction Project Operation Dispatching Center, Engineering Safety Monitoring Dispatching Center and Water Quality Monitoring Dispatching Center center. The main function is to assist the dispatching center in water dispatching, coordinate and formulate water distribution plans; be responsible for water quantity and quality monitoring, engineering safety monitoring, engineering flood control, information system management, engineering technology management, water fee collection, financial and asset management, etc. . The sub-dispatching center only monitors the operation of the electromechanical equipment of each field station under normal conditions, and does not directly control it. Under the authorization of the dispatch center, it can realize remote control of the electromechanical equipment of each field station. The Beitang Reservoir Dispatch Center also functions as a disaster recovery backup center. It is equipped with special spare parts recovery software and storage and monitoring hardware equipment required for general dispatching. When the dispatching center fails, it will switch to the backup system in time to take over the dispatching tasks.
The Luanluan Information Management Center and the two sub-distribution centers of the Water Supply Group are responsible for completing the collection of their own water supply, water demand, and operation information, and sharing them in real time to meet the needs of management information system engineering.
(3) Main business description of the site station
The local station does not have management functions, it is the basic monitoring unit of pump/sluice station monitoring, and it is the direct executor of water dispatching instructions. Different types of field stations operate in different ways. The field stations are divided into two categories: gate stations and pump stations. The local station is managed by the management office, and its business scope is the pump/sluice station. The main business content is:
1) Execute routine or emergency dispatching instructions, monitor the execution of dispatching instructions on site, and report to the unit that issued the order, and copy and report to the dispatching center when directly executing the order issued by the dispatching center.
2) Monitor the hydrological information, operating status and alarm information of the pump/sluice station; store the monitoring data of the pump/sluice station; control the opening and closing of the gate (valve) of the pump/sluice station; receive and process the monitoring collected by various sensors Data; operate gates/valves and pump groups according to daily dispatching instructions or emergency dispatching instructions; query and count the historical data of the pump/gate station; manage the operation and management of the monitoring system of the pump/gate station, and complete the pump/gate authorized by the dispatching center station remote control.
3) Through the data measurement and control unit, the data of various sensors connected to this unit are collected according to the specified interval, and sent to the safety monitoring center and dispatch center according to the specified requirements, so as to evaluate the safety status of the project.
3.2 Business requirement analysis
The business is shown in the figure below.
Figure 2.32 Management Information System Engineering Business Requirements
The business of the company mainly has four aspects: expropriation and relocation, project construction, project operation management and comprehensive business.
(1) Relocation
The relocation business is mainly reflected in the management of relocation documents.
According to the analysis of the business organization structure, the relocation business is mainly in charge of the relocation office.
(2) Engineering construction management
Engineering construction management business is mainly reflected in engineering bidding management, engineering contract management, progress plan management, engineering procurement management, capital budget and appropriation management, engineering quality management, engineering safety management, engineering equipment management, engineering document management, and engineering construction comprehensive management etc.
According to the analysis of the business organization structure, the project construction management is mainly in the charge of the Group.
(3) Project operation management
Project operation management is mainly reflected in the five aspects of water transfer, water quality monitoring, safe water transfer, automatic water transfer and comprehensive consultation.
1) Transfer water
The core task is to transport the water from the reservoir to the water plants along the supporting project. To this end, it is necessary to comprehensively carry out the water volume dispatching business, including the preparation of the annual water allocation plan, real-time water volume dispatching, water volume statistics, water fee calculation, and water volume dispatching evaluation.
According to the analysis of the business organization structure, the water transfer related business is in charge of the water affairs group.
2) Water quality monitoring
The main function is to supplement domestic water and take ecological water into consideration. One of the goals is that the water transfer must meet the third category or higher standards, and the water that does not meet the standards will not be adjusted. The water quality of water diversion has always attracted the attention of the society and has become an important factor for success or failure. For this reason, in order to ensure the quality of water transfer in the whole project, it is necessary to carry out a complete water quality monitoring and analysis business.
According to the analysis of the business organization structure, the business related to water quality monitoring is under the responsibility of the Water Affairs Group.
3) Safe water transfer
Safe water transfer is one of the important goals of the government. The main project uses pipelines and hidden culverts for water delivery, and at the same time uses Yuqiao Reservoir, Erwangzhuang Reservoir, Wangqingtuo Reservoir, Beidagang Reservoir (East Route), and Beitang Reservoir for storage and regulation of external water transfer, water delivery The safety of buildings (pumping stations, sluices, reservoirs) on the line and the safety of water delivery during ice ages are important guarantees for project operation management. It is necessary to comprehensively collect project operation information, accurately analyze and judge, and give timely warnings to ensure safe operation of the project.
In order to ensure long-term, stable, continuous, punctual, and volume-based water transfer, the engineering safety of water delivery facilities is very important. In order to achieve the purpose of safe water transfer, it is necessary to fully carry out the project operation and maintenance business.
According to the analysis of the business organization structure, the management office and the management office are responsible for the business related to safe water transfer.
4) Automatic water transfer
Automatic water diversion is one of the important construction goals of modern water diversion projects, and it is also one of the most important construction goals. According to the operation mode of "no one on duty, few people on duty" adopted by the site station, the development of remote monitoring of valve pumping station, video monitoring of valve pumping station and security monitoring is necessary.
According to the analysis of the business organization structure, the automatic water transfer related business is in charge of the dispatching center, sub-dispatching center and field station.
5) Comprehensive consultation
Comprehensive consultations are required when the project is in danger, when there are emergencies such as severe floods and droughts, or when there are major accidents, major water pollution and other emergencies in the project, as well as when users have special needs.
Comprehensive consultation first conducts decision-making consultation on the emergency situation. If the emergency situation is a situation that can be solved by the management information system engineering, emergency dispatch will be carried out; if the emergency situation is a major danger situation that the management information system engineering cannot handle, manual emergency treatment will be carried out.
According to the analysis of the business organization structure, there are two cases of emergency water transfer:
① Situations that can be solved by management information system engineering
After consultation and decision-making, the water transfer center is responsible for emergency dispatch to eliminate dangerous situations.
② Situations that cannot be solved by management information system engineering
After the consultation and decision-making, the leader in charge will command to eliminate the dangerous situation, and the management information system project will resume normal operation after the dangerous situation is eliminated.
4. Analysis of functional requirements
4.1 Overall Functional Requirements
(1) Water volume scheduling function
The management information system project requires all the functions of water scheduling, including: summary of local water inflows, statistical analysis of user water demand, preparation of water allocation plans within a year, real-time water scheduling, water statistics, water fee calculation, and evaluation of water scheduling plans. The preparation of the annual water allocation plan needs to rely on the water allocation model, the real-time water scheduling needs the water scheduling model, and the water scheduling evaluation needs to rely on the scheduling evaluation model.
(2) Water quality information monitoring and management functions
Water quality information monitoring and management evaluates and analyzes water quality based on information collected by fixed monitoring stations, mobile monitoring stations, and laboratories. The water quality evaluation score needs the support provided by the water quality evaluation analysis model.
(3) Project safety information monitoring and management, water regime information monitoring and management, and project management functions
Engineering safety information monitoring and management conducts a comprehensive analysis of engineering safety conditions on the basis of information collected by sensors such as leakage, displacement, settlement, and deformation.
Since it is impossible to pre-embed sensors in all engineering parts during the project construction process, it is necessary to manually inspect the project, and the management information system project performs project management on the basis of manual inspection.
The buildings in the project and the diversion canals (implicit culverts) have flood control requirements, and the water volume dispatch also needs to know the local water flow. The water regime information monitoring and management function collects water regime information along the project on the one hand, and obtains relevant information from the Hydrology Bureau, Meteorological Bureau, and flood control departments on the one hand to provide support for water volume scheduling and project flood control.
(4) Security monitoring and automatic control functions
On-site and remote control of valves and pumps is carried out on the basis of information collected from valve and pump station opening gauges, water level gauges, flow meters, and pressure gauges. Remote control of valves and pumps requires the support of a control model. Security monitoring as an auxiliary function of automatic control.
(5) Comprehensive conference function
When a dangerous situation occurs, a decision-making consultation is required, and according to the results of the consultation, emergency water dispatch or emergency treatment is carried out.
(6) Auxiliary function
Including website function, three-dimensional display function, comprehensive information service function, mobile information service function, financial asset management, human resource management, plan contract management, engineering file management, daily office functions, etc.
To sum up, the functions required by management information system engineering are as follows:
(1) Information monitoring and management functions, including water quality information monitoring and management, water regime information monitoring and management, and project safety information monitoring and management functions.
(2) Water volume scheduling function. Including the formulation of water allocation plan within the year, real-time water scheduling, emergency water scheduling, water statistics and water fee calculation, and water scheduling evaluation functions.
(3) Project management functions, including project management and project file management functions.
(4) Comprehensive consultation functions, including decision-making consultation, emergency water scheduling, and emergency disposal.
(5) Comprehensive service functions, including three-dimensional display functions, comprehensive information service functions, mobile information service functions, financial asset management, human resource management, plan contract management, project file management, and daily office functions.
(6) Application interaction function, including the external website for external communication and the internal portal function for providing internal services. Among them, the external website has been built in a single project.
(7) Automatic control and security monitoring functions, including security monitoring and automatic control functions.
4.2 Requirements for information monitoring and management functions
4.2.1 Functional requirements for water quality information monitoring and management
In order to ensure the safety of water supply, it is necessary to monitor the water quality of water transfer projects, release water quality information in a timely manner, warn of water pollution, and protect water quality. It is necessary to arrange a network of water quality monitoring stations along the water delivery line, and build a water quality information collection, transmission and application system. Conduct rapid monitoring and timely forecast water quality evolution and changes, and provide comprehensive, timely, accurate and reliable water quality information for water resource management and protection.
(1) Monitoring station network management
Collect data for water quality analysis and evaluation by deploying a network of monitoring stations, establishing fixed laboratories, automatic monitoring stations, mobile laboratories, etc.
The management of the monitoring station network of the water conveyance project is mainly to manage the previous change time of the station network, the reason for the change, the situation of the change, the result of the change, relevant documents, etc.; to standardize the management of various station networks such as fixed monitoring, automatic monitoring, and dynamic monitoring, The entire monitoring station network is organically integrated to form a comprehensive statement of the monitoring station network of the entire water transfer project, so as to meet the station network requirements for different types of monitoring tasks. Integrate GIS function to realize the monitoring situation of engineering monitoring section on the map, and click on the monitoring section to query related attribute information. It can comprehensively and comprehensively reflect the situation of various water quality monitoring stations and networks of water transfer projects.
(2) Water quality monitoring data management
Including fixed laboratory monitoring data, water quality automatic monitoring station monitoring data, mobile laboratory monitoring data, etc., through the combination of automatic and manual monitoring, daily monitoring and emergency monitoring information can be obtained to provide basic support for early warning and forecasting of water quality safety.
(3) Functional requirements for water quality monitoring data evaluation
Water quality evaluation is to evaluate the water quality of the target area according to the selected evaluation standards, evaluation methods and evaluation items, mainly including two aspects: water quality evaluation and statistical analysis of evaluation results. Evaluation types include water quality evaluations of different water quality standards, different regions, and different time periods.
(4) Functional requirements for compilation of water quality monitoring data
The data compilation is mainly based on the format and requirements stipulated in the "Water Environment Monitoring Specification" (SL219-98) and revised in conjunction with the project. The various original monitoring data of the water quality station network monitoring of the water delivery project are compiled every year to complete the water delivery. Review of engineering data and compilation of monitoring section information, water quality monitoring and other results tables form a comprehensive compilation database. On this basis, according to different business service objects and different technical standards, different data processing and analysis are carried out for fixed monitoring, automatic monitoring, and mobile monitoring, and the annual results are provided to relevant departments for use to meet the needs of business production.
(5) Functional requirements for water quality information query
Including water quality monitoring station network information query, monitoring results query, evaluation results query, release information query, compiled data query, water pollution information and water quality related data query and other functions.
(6) Water quality information release function
The release of water quality information is mainly to conduct statistics and analysis on the evaluation results of monitoring data obtained by fixed laboratories and automatic monitoring stations, compile daily water quality reports, ten-day reports, monthly reports, and annual reports, and release water quality information to meet management needs and users' right to know . The release of water quality information includes: compilation, approval process and release of water quality information.
(7) Water quality early warning management function
Including: early warning indicator management, early warning value setting, early warning level setting.
4.2.2 Functional requirements for water regime information monitoring and management
In order to meet the flood control requirements of the water transfer project and understand the local water situation, it is necessary to monitor the water regime of the water transfer project, release water regime information in a timely manner, and provide early warning and flood control. It is necessary to arrange a network of water regime monitoring stations along the water delivery route, and build a water regime information collection, transmission and application system. Rapid monitoring of water accidents. In addition, it is necessary to receive and process relevant information from departments such as hydrology, meteorology, and flood control.
(1) Monitoring station network management
Collect water regime data by deploying a network of monitoring stations, establishing automatic monitoring stations, mobile laboratories, etc.
The management of the monitoring station network of the water transmission project is mainly to manage the previous change time of the station network, the reason for the change, the situation of the change, the result of the change, the relevant documents, etc.; to standardize the management of various station networks such as automatic monitoring and dynamic The station network is organically integrated to form a comprehensive statement of the monitoring station network of the entire water delivery project to meet the station network requirements for different types of monitoring tasks. Integrate GIS function to realize the monitoring situation of engineering monitoring section on the map, and click on the monitoring section to query related attribute information. It can comprehensively and comprehensively reflect the situation of various water regime monitoring station networks of water transfer projects.
(2) Water regime data management
Including internal information acceptance processing and external information acceptance processing.
The acceptance and processing of internal information mainly refers to the acceptance and processing of water regime information collected by various management tubes.
Acceptance and processing of external information mainly refers to the acceptance and processing of relevant information from flood control, hydrology, and meteorological departments.
(3) Functional requirements for water regime information query
Including water regime monitoring station network information query, monitoring results query, flood control information query, hydrological information query, meteorological information query and other functions.
(4) Release function of water regime information
The release of water regime information is mainly to conduct statistics and analysis of water regime data, compile daily, ten-day, monthly, and annual reports, and release water regime information to meet management needs and users' right to know. The release of water regime information includes: compilation, approval process and release of water regime information.
(5) Water regime early warning management function
Including: early warning indicator management, early warning value setting, early warning level setting.
4.2.3 Functional requirements for engineering safety information monitoring and early warning
(1) Monitoring function
Receive and process the engineering safety monitoring data of the dispatching center, and can set its warning value for each sensor. If the measured value exceeds the warning value, the system can automatically alarm in various ways.
In addition to the automatic storage of automatically collected data, various types of monitoring data and data input functions collected manually should also be provided, and can be stored conveniently.
(2) Display function
Display the general appearance of the building and monitoring system, the general appearance of each monitoring project, monitoring layout diagram, process curve, monitoring data distribution diagram, monitoring diagram, alarm status display window, etc.
(3) Operation function
Monitoring operations, input/output, display and printing, reporting of existing measured value status, recall of historical data, and evaluation of operating status can be realized on the monitoring host or workstation; corresponding audio prompts are issued according to the program execution status or system working status; the entire system Operation management (including a series of management functions such as system scheduling, formation of process information files, storage, communication, etc., using the keyboard to schedule display screens at all levels and modify corresponding parameters, etc.); modify system configuration, system test, system maintenance, etc.
(4) Comprehensive information management function
Able to engage in online monitoring, database management, monitoring data processing, chart production, graphic data management, etc.
(5) Comprehensive evaluation and information release function
It can conduct off-line analysis and safety assessment of building performance, determine the degree of abnormality of the structure, predict and forecast the safety status of buildings, and release the monitoring data and analysis results of each building.
(6) Alarm function
When the system breaks down, it can warn with text or sound on the screen. When the structure of the building is abnormal, the corresponding alarm information can be issued.
(7) Proofread the reported information and input it into the permanent database.
(8) It has the functions of monitoring data processing, analysis and storage. It is possible to establish a historical and real-time database, store important data information of each building, make a comprehensive judgment on the safety status of the project, determine the structural abnormality of the building, and predict the safety status of the building, etc.
(9) For buildings with abnormal structures, conduct auxiliary decision-making and consultation, put forward handling opinions and formulate safety emergency plans.
(10) Publish the data and analysis results of each building.
4.3 Functional requirements for water volume dispatching
Water volume scheduling requires perfect functions, and the shaped workflow is simple, reasonable, standardized, and clear, in line with industry habits. Reasonable division of functions, clear work boundaries and clear responsibilities among user entities.
The intelligent water adjustment function needs to include the following functions:
(1) Daily business processing function of water dispatching;
(2) The function of preparing the water allocation plan within the year;
(3) Real-time water scheduling function;
(4) Emergency water scheduling function;
(5) Water metering and water fee calculation functions;
(6) Evaluation function of water volume dispatching scheme.
4.3.1 Daily business processing of water dispatching
The daily business processing function of water volume scheduling mainly completes the daily business processing of water volume scheduling, and provides basic support for the formulation of water volume scheduling schemes and comprehensive decision-making consultations.
The overall requirement for the daily business processing function of water volume dispatching is comprehensive functions, which cover the business content of daily business management of water volume dispatching, including grassroots data collection, information entry, summary reporting, water allocation plan approval, dispatching plan and instruction generation, and issuance. Monitoring and analysis of implementation status, preparation of information and data for release of water regulation, etc.
4.3.2 Compilation of water allocation plan within a year
The function of preparing the water allocation plan for the year is: the dispatching center balances the supply and demand between the water plant and the water source department according to the water allocation rules and the water allocation model based on the available water provided by the relevant departments of the Water Affairs Bureau and the water demand provided by the water plants along the route. To avoid conflicts, formulate scientific and effective annual, monthly, and ten-day water distribution plans.
The annual water allocation plan preparation function is based on the water allocation rules, invokes the water allocation model, discusses and decides to roll out annual plans with monthly steps, monthly plans with ten-day steps, and ten-day plans with daily steps. The annual water allocation plan preparation function should not only be suitable for the water allocation management at the initial stage of project operation, but also be suitable for many years of operation. With the improvement of the calibration accuracy of the allocation model parameters and the accumulation of project management experience, it can meet the fine water allocation and scheduling requirements. management requirements.
The annual water allocation plan preparation function can not only call the water allocation model to generate a full-line water allocation plan, carry out distribution plan preparation under the unified management mode, but also adapt to ice age water transfer and formulate segmented and partial allocation plans, including sub-divisions under the authorization of the dispatching center. The investigation center prepares the water allocation plan within its jurisdiction.
4.3.3 Real-time water scheduling
The real-time water scheduling function is to compile safe and feasible water scheduling instructions for the whole line on the basis of the ten-day water transfer plan. This function is the difficulty and key point of intelligent water diversion, which determines whether the water can be transported to the water plants along the route in real time as planned while ensuring the safety of the project.
The real-time water dispatching work is mainly in the dispatching center, which calls the water dispatching model according to the ten-day water distribution plan, and generates dispatching instructions for the flow of valves (pumps) stations on the whole line. According to the dispatching stability requirements of the project, the generated real-time dispatching instructions should be based on the method of flattening the change of the water demand flow of each water diversion, so as to maximize the stability time of each control building, and the generated dispatching instructions can accurately guide the gate station. Opening and closing process.
Under the authorization of the dispatch center, the sub-dispatch center can generate dispatch instructions for overflow of gate (pump) stations within its jurisdiction.
4.3.4 Emergency water scheduling function
According to different causes, operational risks can be divided into: building flood control safety risks, engineering operation safety risks, engineering safety risks, water quality safety risks, and emergency water supply risks. The emergency water scheduling function can accept the operational dangers fed back by the automatic control function, the engineering safety dangers fed back by the engineering safety information monitoring and early warning function (including engineering dangers caused by crossing rivers), the engineering flood control and local water supply fed back by the water regime information monitoring and management function and other information, water quality information monitoring and management functions feedback sudden water pollution dangers and special water demand requirements received by management agencies at all levels, etc., according to the dispatching requirements of various dangers, adopt corresponding emergency dispatching plans and issue emergency dispatching Instructions to meet the requirements of different water dispatch emergency situations.
According to different types of emergencies, the functions of emergency water dispatching include: the function of preparing emergency dispatching plans for operational dangers, the preparation of engineering safety emergency dispatching plans, the preparation of water quality emergency dispatching plans, the preparation of flood control emergency dispatching plans, and the preparation of special water emergency dispatching plans .
4.3.5 Water volume statistics and water fee calculation
Water volume statistics and water fee calculation are important tasks related to efficient operation. Water volume statistics and water fee calculation should be able to statistically analyze the real-time water volume process of the canal head gate, water diversion outlet, and water withdrawal outlet based on the operation summary data of the automatic control function, and the water diversion process should be divided into days, ten days, months, and years according to the principle of water loss allocation. The water diversion volume is counted by time period, and the statistical results are written into the water volume dispatching database. At the same time, it can provide data support for water fee collection, dispatch evaluation, benefit analysis, information release, etc. according to the statistics of water diversion at each water outlet.
The functions of water volume statistics and water fee calculation should provide detailed statistics by gate and summary functions for all levels and time periods for water transfer management.
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