Statistical report

To start generating the report, click the Statistics button.

A dialog box then appears, with the parameters necessary for report generation.

This dialog box allows setting the following report parameters:

1. Time period for the report. Use the Beginning date, Beginning time, End date, and End time parameters for this.
2. Object description. This setting allows switching between the two report modes:
   1. Report on all system objects
   2. Report on one system object
      
3. Include number of cameras on object. If this option is selected, calculation of unavailability factor for cameras and archives is performed based on the total number of cameras at the object.
4. Include archive errors. If this option is selected, the calculation of unavailability factor for archives is performed based on the availability factor for the whole system.
5. Show alarms. If this option is selected, information about alarm situations at system objects is added to the report.
6. If the all objects value is chosen for the Object description setting, the Detailed report setting becomes available. If this option is disabled, a system-wide statistical report is generated.
7. If the Detailed report option is enabled, the Sorting, Sort, and Availability factor threshold settings become available for editing. A detailed system-wide statistical report is generated.
   
8. Sorting. This setting allows sorting data based on a defined criterion.
   
9. Sort. This setting allows determining the direction of sorting: from high to low or from low to high.
   
10. If the Availability factor threshold option is enabled, the Threshold value, % and Condition parameters become available for editing. These settings allow filtering objects by an additional condition: the availability factor threshold value.
    
11. Threshold value, %.  Indicates the threshold level, from 0 to 100.
12. Condition. This parameter allows specifying a condition for filtering objects: less than threshold or greater than threshold.
13. If a specific object is chosen as the Object description parameter, the Provide info about alarms and Provide info about failures parameters become available for editing. This allows including detailed information about faults and alarms at the object in the statistical report for the object.

After configuring all parameters, click OK.

A sample report for a single object is shown in the figure.

Figure below gives an example with various faults at the object; an availability factor and unavailability factors are given below.

In this example for generating a statistical report, the time period 02/01/2005 12:00:00 AM to 02/28/2005 12:00:00 AM is used. The availability factor of an object is calculated as the ratio of object availability  to the overall time period in the report in question.

   AF = Taf/(Taf+Tuf)

The following significant malfunctions are included in the calculation:

• Network
• Basic software
• Cameras

The unavailability factors of an object for these malfunctions in the example here are calculated as follows:

Object unavailability factor (network):

    UF_net = (Tuf_net_1 + Tuf_net_2)/(Taf+Tuf)

Object unavailability factor (software): UF_soft = Tuf_soft/Taf+Tuf

Object unavailability factor (cameras): UF_cam = Tuf_cam/Taf+Tuf

Note that generally in the model used, the total object availability factor will not equal the sum of the unavailability factors for specific malfunction types.

A sample overall report for the entire system is shown in the figure. The availability and unavailability factors  in the report are calculated by arithmetic averaging.

When generating a detailed report for the entire system, besides the page with general information, a table with detailed data for each object is displayed.