4ee98c73bb332df46409ade65d63a4c9.ppt
- Количество слайдов: 72
Nova. Star Base Station Software A Real-time Data Collection, Analysis, Alarm and Control System
Nova. Star Software Platform l UNIX (QNX) Operating System Platform l Highly Reliable, Compact OS l Rich Posix Compatible Command Set l Networked GUI for Setup and Display l Text API for Telnet and Modem Access l Secure Multi-User, Multi-Level Access l Intranet and Internet Connectivity
Data Collection Features l Real-Time Data Collection on Multiple Ports l Data Collection for Multiple Formats l Connects by Modem, Network or Radio l Accepts Self Reporting Data from Remotes l Automatic or Manual Station Polling l Polling of single or multiple data samples l Polling for current or logged data
Data Storage Features l Data Storage of Analog, Counter, Encoders with Rollovers, Wind, Digital Status. l Automatic Data Validation using Change, Upper and Lower Limits l Unlimited Online Data Storage l Data Storage Time Resolution to 1 Second l Automated Historic Offline Data Archiving l Automated Backup of File System
Data Calibration Features l Raw or Calibrated Data Storage l Remote Data is Stored As Received l Time Based Data Calibration l Automatic Re-calibration of Rollover Data
Data Analysis Features l Statistical Analysis of Data l Statistical Equations l Real-Time Data Equations l Real-Time Basin Averaging l Table Lookup with Time Based Assignment l Normal and Inversed Table Lookup l Table Shift Prorated Over Time
Statistical Analysis of Data l Maximum, Minimum Over Period l Mean and Sum Over Period l Rainfall Storm Total l Rainfall Intensity Based on Time of Report l Digital Status Runtime l Change Over Time l Rate of Change
Real-Time Equations l Temperature Dewpoint l Temperature Wetbulb l Vapor Pressure l Evapo-transpiration Demand
Database Management Features l Data Report Editing l Database Structure Checking l Database Compression l Unlimited Number of Sensors l Programmable Sensor Types
Alarm Features l Upper, Lower, Change, No Report Limits l Multiple Limits for Alarm Types l Programmable Alarm Action l Alarm Paging l Expert System for Multiple Point Alarm Analysis
Data Display Features l Scrolling Display of Reports Received l Display of Time Analysis Data l Custom Report Development l Data Overlays on Map Backgrounds l Map links to Maps or Commands l Trend Charts with Overlaid Sensor Data l Displays Show Current or Historic Data
Web Page Features l Web Page Server Onboard or on Network l Display of Current or Historic Data l Hyper-links to CGI Scripts l Scripted Web Page Display of Maps, Reports and Trend Chart Data. l Reduced Priority Internet Access Prevents Interference with Local Operations
Programmable System l Automatic, Scheduled System Activities l Custom Command Scripting l Programmable Menus l User Dependent Menus and Desktops
Nova. Star Database Structure l Multi-file Indexed Link List Database l Last In First Out Data Storage l Dynamic Record Assignment l File Bitmaps Show Records Used and Free l Forward and Backward Record Linking l Record Ownership
Database File List and Index l File List Holds Record Size, Caching and Bitmap Flags l Header Index Defines Device Ids, Identification, Data checking, Storage Limits, and Links to Alarm, Calibration, Data Reports and Table Assignments
Device Type List l Space Delimited Text File l One Line per Device Type l Device Types Indexed by Device Type Number l Digital Status Line Parameter Link in File
Data Calibration Records l One Calibration per Record l Multiple Calibration Records per Device l Newest Calibration Linked to Header l Record Contains Divisor, Base Value, Data Type Flag, Effective Time of Calibration l Records are Time Ordered
Database Data Reports l Multiple Page Linked Records l First Page Holds Newest Data l 100 Data Reports per Page l Data Report Contains Value, Time, Flags l Reports are Time Sequenced with Newest Report on Top
Database Alarm Records l One Alarm per Record l Multiple Alarms per Device l Alarm Records Contain Alarm Limit, Condition, State and Action
Historic Alarm Log l One Record per Alarm Logged l Record Contains Type of Alarm, Alarm Information, Time and User Acknowledged and Time of Rest l Links to Alarm Notes l New Alarms are Appended to End of File
Database Stations l One Record per Station l Record Contains Station ID, Identification, Type, Location, Elevation, Polling Parameters, Devices Assigned to Station
Table Assignment Records l One Table Assignment per Record l Multiple Table Assignment per Device l Newest Assignment Linked to Header l Record Contains Table Assigned, Effective Time of Assignment, Index and Opening Ids, Table Access, Shift Parameters l Records are Time Ordered
Rating Tables l Up to 100 Table Pairs per Table Record l Multiple Records Linked for More Pairs l Multiple Records Linked for Variable Openings l Records Contain Interpolation, Extrapolation, Table Pairs, Display Units
Database Maintenance l Data Report Checking l Database Structure Checking l Data Editing l Data Page Compression l Data File Truncation
Security Levels l 4 Levels Limit Program and Data Access l Visitor - Data Display Only l Operator - Data Display and Alarms l Supervisor - DB Setup and Maintenance l Manger - Full System Access and Configuration
Menu and Desktop Security l Customize User Menu to Limit Program Access l Customize User Desktop to Eliminate Program Access
File Permissions l POSIX Operating System File Permissions l Owner Access l Group Access l Other Access l Read, Write, Execute Access
Data Report Archive l Data Report Archives Saves Data Reports in Off-line Data Files l Calibration and Table Assignments Saved in Archive Files l One Month of Data per Archive File in Month and Year Directory Tree Structure l Automatic Archives to Occur Daily
Data Report Archive Format l Standard Archive File Format is Binary for Database Retrieval l Text Archive File Format Done by Data Export Programs l Put Text Archive Files in a Directory Tree for Internet Access
Data File Backups l Backups Copy Files to Off-line Storage l Backup to Removable or Network Disks l Backup Complete Database Directory to Get All Database Links l Nova. Star Database Backup Suspends Database Modification until Complete l Backup After Change or Once a Month
Data Import l Import Ascii Data With the Ascii File Reader l Create AFR Command Files to Simplify Repeat Imports l Translate Ascii Files from DOS to QNX Format Before Importing
Data Export l Export ASCII Data with Export Programs: datadisp - Single Sensor Display Program dispdata - Time Based Analysis Display dispsers - Time Based Analysis Display disprpts - Report Based Display l Command Delimited Format l HTML Table Format
Data Printing l Export Data Reports by Printing to a File l Select DOS File Format l Print to Local Public Access Directory l Print to Network Server Directory
Modeling l River Forecast Models SSMA - Internal or External model HEC 1/1 F - External model l Internal Models Run on Nova. Star Platform l External Models require data export and forecast import
Modeling Data Requirements l Calibration Requires Several Years of Data That Includes Wet and Dry Periods l Forecast Points Require Rating Tables l Basin Size, Water Import, Water Export Must Be Known l Operational Gages Should Be Located in Basin and at Forecast Point
Modeling Data Export l Automated Data Export can Push Data onto the Forecast Model Platform l Model Data can be Saved on Nova. Star Server and Pulled by Forecast Model l Simple Space or Comma Delimited Ascii File Export Work Well
Modeling Data Import l Forecast Data Can be Imported Using the AFR program l Forecast Data Can be Checked for Alarms l Display Forecast Data in Maps, Report and Trend Charts l Compute Level Data with Inverse Rating Table Lookups
Understanding Script Files l The POSIX ksh Korn Shell Executes Scripts l Scripts Execute UNIX/Nova. Star Commands l Use Command Explains Command Syntax l Internal Variables are Available l Script Files Must be made Executable
Troubleshooting No Data Collection l Check That Receive Data Program Running l Check Power To Receive Equipment l Check Receiver to Decoder Cable l Check Decoder to Computer Cable l Check Receive Data Port Assignment l Check Receive Data Port Baud Rate
Troubleshooting No Data in Device Reports l Check Database for Data Linkage Errors l Check Data Time Storage Limit l Check Display Program Time Options l Edit Database to Check Validations
Troubleshooting Bad Data in Reports l Check Device Data Checking Parameters l Check For Invalid Data Calibration l Check Break Flags for Counter Resets l Consider Other Station Using Same ID l Test Remote Station Signal Out
Troubleshooting Recovering Lost Data l Check Database to Repair Linkage Errors l Retrieve Archived Data l Search for Lost Data Pages in Database
Troubleshooting Modems Do Not Answer l Check Modem Power l Check Modem Cable l Check Modem Port Assignment l Check System Tasks to See if Modem Process Running l Check if Program Running on Modem with stty command
Troubleshooting QNX Native Networking Down l Check Node Status with alive l Check that Net and Net. driver Running l Check Node Licenses using sin info l Check Active Licenses using licinfo -a l Check Network Mapping File /etc/config/netmap
Troubleshooting Intranet Networking Down l Check that TCP/IP Socket Running l Check Hostname for Socket l Check if SMB programs smbd and nmbd are Running l Modify /etc/smbstart to Increase smbd Debug Level to check authentication
Troubleshooting Internet Networking Down l Check that TCP/IP Socket Running l Check Hostname for Socket l Check Domain and Name Server in /etc/resolv. conf l Check that Gateway defined in /etc/netstart
Troubleshooting System Lockup l Turn Off Screen Blanker l Login and Change Priority to Higher Level l Look for Run Away Processes that are Always READY l Run Suspect Processes at Lower Priority using nice or renice
4ee98c73bb332df46409ade65d63a4c9.ppt