Diagnosis system for a plant

• US 5,734,567 A
• Filed: 09/24/1996
• Issued: 03/31/1998
• Est. Priority Date: 11/06/1992
• Status: Expired due to Term

• Current Assignee: Siemens AG
• Original Assignee: Siemens AG
• Inventors: Muller, Helmut, Griffiths, Antony
• Primary Examiner(s): Elmore, Reba I.
• Assistant Examiner(s): BROWN, THOMAS
• Application Number:
  US08/710,972
• Time in Patent Office: 553 Days
• Field of Search: 364/131-136, 364/184-187, 364/550, 364/551.01, 364/552, 364/556, 364/570, 324/512, 395/183.01, 395/183.02, 395/183.06, 395/183.07, 395/183.13, 395/183.16-183.2, 395/183.22
• US Class Current: 700/79
• CPC Class Codes: G01D 21/02 Measuring two or more variables by means not covered by a single other subclass

Abstract

A diagnosis system for a plant, in particular for a power station plant, such as for a turbo-generator of a steam turbine plant, having a number of interacting plant parts, includes a module being associated with the plant parts for on-line acquisition of measured values and for controlling and processing the measured values. A data bus is connected to the module through interfaces for the transmission of plant-relevant measured values. A coupling module is connected to the data bus for requesting and passing on measured values. An administration module is connected to the coupling module for distribution of the measured values. A number of analysis modules are connected to the administration module for content-dependent processing of the measured values and for outputting characteristics derived therefrom. A memory module is connected to the analysis modules for storing the characteristics from at least one of the analysis modules. A number of module-specific operator modules is connected to the memory module for obtaining the characteristics from the memory module.

Claims

1. In a diagnosis system for a plant having a number of interacting plant parts, the improvement comprising:

a module being associated with the plant parts for on-line acquisition of measured values and for controlling and processing the measured values;

a data bus being connected to the module through interfaces for the transmission of plant-relevant measured values;

a coupling module being connected to said data bus for requesting and passing on measured values;

an administration module being connected to said coupling module for distribution of the measured values;

a number of analysis modules being connected to said administration module for content-dependent processing of the measured values and for outputting characteristics derived therefrom;

a memory module being connected to said analysis modules for storing the characteristics from at least one of said analysis modules;

a number of module-specific operator modules being connected to said memory module for obtaining the characteristics from said memory module; and

said memory module isolating said operator modules from said analysis modules for allowing operator module communications with said memory module without affecting data processing in said analysis modules.

2. The diagnosis system according to claim 1, wherein said administration module includes a message distributor and an acknowledgement accumulator.

3. The diagnosis system according to claim 1, wherein said memory module includes a data bank for archiving and a ring memory for brief intermediate storage of current characteristics.

4. The diagnosis system according to claim 1, including a knowledge base for storing rules, and a module-wide inference component connected between said knowledge base and said analysis modules for evaluating said knowledge base and for outputting a qualified parameter to derive a diagnosis result from at least one of said analysis modules on the basis of the rules stored in said knowledge base.

5. In a diagnosis system for a power station plant having a number of interacting plant parts, the improvement comprising:

a module being associated with the plant parts for on-line acquisition of measured values and for controlling and processing the measured values;

a data bus being connected to the module through interfaces for the transmission of plant-relevant measured values;

a coupling module being connected to said data bus for requesting and passing on measured values;

an administration module being connected to said coupling module for distribution of the measured values;

a number of analysis modules being connected to said administration module for content-dependent processing of the measured values and for outputting characteristics derived therefrom;

a memory module being connected to said analysis modules for storing the characteristics from at least one of said analysis modules;

a number of module-specific operator modules being connected to said memory module for obtaining the characteristics from said memory module; and

said memory module isolating said operator modules from said analysis modules for allowing operator module communications with said memory module without affecting data processing in said analysis modules.

6. In a diagnosis system for a turbo-generator of a steam turbine plant having a number of interacting plant parts, the improvement comprising:

a module being associated with the plant parts for on-line acquisition of measured values and for controlling and processing the measured values;

a data bus being connected to the module through interfaces for the transmission of plant-relevant measured values;

a coupling module being connected to said data bus for requesting and passing on measured values;

an administration module being connected to said coupling module for distribution of the measured values;

a number of analysis modules being connected to said administration module for content-dependent processing of the measured values and for outputting characteristics derived therefrom;

a memory module being connected to said analysis modules for storing the characteristics from at least one of said analysis modules;

a number of module-specific operator modules being connected to said memory module for obtaining the characteristics from said memory module; and

said memory module isolating said operator modules from said analysis modules for allowing operator module communications with said memory module without affecting data processing in said analysis modules.