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5761090 |
Expert system for testing industrial processes and determining sensor status
A method and system for monitoring both an industrial process and a sensor. The method and system include determining a minimum number of sensor pairs needed to test the industrial process as well...
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5745268 |
Vascular portable assistant computer system
The present invention comprises an apparatus for communicating, monitoring, and gathering data from and with a plurality of electrical devices connected to predetermined points on a network of...
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5737519 |
System and method for early disc drive fault detection
Apparatus and method for the early detection of faults in a head-disc assembly (HDA) from a disc drive manufacturing process. Parametrics are obtained from an HDA at a parametric station and...
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5737497 |
Test system with inference circuit
A rule based processing system that is optimized for implementation in hardware. The system includes a set of logic gates that are used to implement a rule network connected to a working memory...
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5729397 |
System and method for recording direct access storage device operating statistics
A disk drive includes an error and operating condition tracking mechanism for later analysis. A device controller for the disk drive has access to non-volatile storage. The non-volatile storage is...
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5712972 |
Identification of faults in data paths and functional units of a central processing unit by a systematic execution of test instructions
A systematically structured diagnostic for detecting, isolating, analyzing and reporting problems or faults in a central processing unit. The diagnostic causes the central processing unit to...
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5696701 |
Method and system for monitoring the performance of computers in computer networks using modular extensions
The invention comprises a method and system for monitoring the performance of a computer in a computer network using modular extension agents. In accordance with the method of the invention the...
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5680541 |
Diagnosing method and apparatus
Disclosed is a diagnosing method for diagnosing devices to be diagnosed on the basis of information on operating status of the diagnosed devices. In the method, information on operating status of a...
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5661668 |
Apparatus and method for analyzing and correlating events in a system using a causality matrix
An apparatus and method is provided for efficiently determining the source of problems in a complex system based on observable events. The problem identification process is split into two separate...
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5652832 |
Method and apparatus for diagnosis and correction of peripheral device allocation faults
A system for diagnosing and resolving faults in the allocation of resources to PCMCIA-compliant devices includes an extension of a super client to include functionality for storing and generating...
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5646871 |
Process for systems analysis
A process for systems analysis of a database non-agreement system using a set of gauges. Measurement of the state of a system. A gauge function, a threshold value and a recommendation are...
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5621889 |
Facility for detecting intruders and suspect callers in a computer installation and a security system including such a facility
A facility for detecting intrusions and suspect users in a computer installation, and a security system incorporating such a facility that makes use of surveillance data relating to the operation...
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5596712 |
Method and system for diagnosis and analysis of products troubles
A computer-implemented method and system for diagnosing and system for diagnosing and analyzing fault information of a product is carried out by (a) creating a fault tree representing causal...
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5592614 |
Fault identification system
A system for identifying faults in an electrical circuit such as a circuit of a road vehicle. The electrical circuit is intended to provide a plurality of outputs such as lamp illumination in...
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5581694 |
Method of testing and predicting failures of electronic mechanical systems
A method employing a knowledge base of human expertise comprising a reliability model analysis implemented for diagnostic routines is disclosed. The reliability analysis comprises digraph models...
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5553237 |
Safety critical monitoring of microprocessor controlled embedded systems
A safety critical monitoring system and method for a microprocessor controlled embedded system has application specific program logic including a defined set of safety critical rules for the...
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5548714 |
Means for structuring technical information in establishing a knowledge base and troubleshooting in technical equipment
A system and a method for structuring technical information in establishing a knowledge base and trouble shooting in technical equipment. An intelligent, electronical document is created in the...
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5544308 |
Method for automating the development and execution of diagnostic reasoning software in products and processes
A method for automated diagnosis of faults in a system containing repairable parts is performed by selecting a set of faults representing all known failures which can occur among the parts of the...
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5539877 |
Problem determination method for local area network systems
A limited multi-fault system and method manages error recovery in a local area network system. The system includes a data structure which store related error events, diagnostic problems and causes....
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5528752 |
Fault diagnosis using simulation
In a fault diagnosis or a process simulation arrangement, data is held on first interactions between attributes of a part and between attributes of a parent part and a child part according to...
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5515503 |
Self-repair system for an image forming apparatus
The present invention makes it possible to effectively make self-repair of a fault by referencing repair analysis cases. The cases are hierarchically classified according to the fault symptom, the...
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5513343 |
Network management system
The present invention relates to a network management system, and more particularly to a network management system for managing the states of plural alarm information generating from each one of...
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5511162 |
Automatic LSI testing apparatus using expert system
An automatic testing apparatus includes an expert rule which is derived from expert knowledge and defines a tree of successively traceable nodes interconnected by decision branches which lead to a...
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5506955 |
System and method for monitoring and optimizing performance in a data processing system
Optimizing of performance data in a data processing system is provided by the use of data filters and alarms. Statistics to be monitored are a conglomeration of both system statistics and...
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5491791 |
System and method for remote workstation monitoring within a distributed computing environment
An automated system and method for remote workstation inventorying and monitoring within a distributed computing environment are presented. The computing environment includes a plurality of...
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5490249 |
Automated testing system
A method and apparatus for testing software programs systematically explores valid call sequences using a collection of data with a software program comprising a collection of subroutine...
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5483637 |
Expert based system and method for managing error events in a local area network
An expert based system for managing error events in a local area network (LAN) includes an inference engine and a knowledge base storing data defining a plurality of causal relationships. Each of...
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5469463 |
Expert system for identifying likely failure points in a digital data processing system
An expert system for determining the likelihood of failure of a unit in a computer system. The operating system of the computer system maintains a log of the errors occurring for each unit in the...
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5412802 |
Reasoning method and fault diagnosis method and system implementing the same
A reasoning method capable of easily describing a model of diagnosis, a diagnosis method based on the reasoning method and a fault diagnosis system for performing efficiently faulty component...
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5404503 |
Hierarchical distributed knowledge based machine inititated maintenance system
The hierarchical distributed knowledge based system functions in a machine initiated maintenance environment to provide efficient and timely maintenance of customer equipment. The hierarchical,...
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5394543 |
Knowledge based machine initiated maintenance system
The knowledge based system functions in a machine initiated maintenance environment to provide efficient and timely maintenance of customer equipment. The knowledge based system provides the...
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5369756 |
Fault tree displaying method and process diagnosis support system
In a system which performs an inference based on fault tree knowledge, a guidance and a formula of definition can be displayed in a window on a CRT display screen by selecting the individual items...
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5351247 |
Adaptive fault identification system
An adaptive fault identification system identifies repeat faults by capturing data representative of a fault. The captured data is subjected to a search tool and compared to data that is known to...
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5349674 |
Automated enrollment of a computer system into a service network of computer systems
A service network has several computer systems connected together. A computer system can either be a "Service Requestor" (SR), a "Service Provider" (SP), or a hybrid of the two, a "Service...
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5337320 |
Semi-automatic mode of network design
An Expert System 10 for providing diagnostics to a data communications network 5. Alarms from a Network Manager 24 are received and queued by an Event Manager 117 and then filtered by an Alarm...
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5297150 |
Rule-based method for testing of programming segments
A method for determining a set of f low paths in a code listing that are most likely to fail comprises the steps of: converting the code listing to a directed acyclic graph representation, the...
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5293556 |
Knowledge based field replaceable unit management
This failure management system architecture guides, detects, validates and logs field replaceable unit (FRU) changes. This system includes a guided capability by which service personnel use the...
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5287505 |
On-line problem management of remote data processing systems, using local problem determination procedures and a centralized database
Automated problem analysis and resolution of a customer data-processing system uses a central service data-processor system communicating with the customer system and having a data base for...
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5282212 |
Algorithm for identifying highly suspect components in fault isolation
The present invention, in one embodiment, is a method for identifying highly suspect components in fault isolation. The method for identifying highly suspect components of a system wherein faulty...
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5280515 |
Fault processing system for processing faults of producing points
A fault processing system processes a fault which is generated in one or a plurality of producing points which design and produce products according to orders received from customers. The fault...
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5272704 |
Method and apparatus for generation of multi-branched diagnostic trees
A method and apparatus for automated generation of multi-branched diagnostic trees is described. The present invention generally is practiced on model-based diagnostic systems and utilizes a...
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5261086 |
Performance analyzing and diagnosing system for computer systems
A performance analyzing and diagnosing system enables a user with little knowledge or experience to evaluate the performance of a computer system. An external memory stores know-how rules and...
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5253184 |
Failure and performance tracking system
The occurrence of a failure within the customer system is identified using these rules, hypotheses, collected real time data as well as historical performance and diagnostic data to isolate the...
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5239547 |
Self-diagnosis and self-repair system for image forming apparatus
The system of the present invention has a plurality of sensors 1a, 1b and 1c and a system control circuit which includes a case memory portion and a work script memory portion. In response to...
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5214653 |
Fault finder expert system
A device for finding faults in a target system that has a plurality of "LRUs", which are the lowest replaceable units in the target system. The fault finding device receives input data relating to...
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5195095 |
Algorithm for identifying tests to perform for fault isolation
The present invention, in one embodiment, is a method for identifying a test to perform for fault isolation. The method comprises the steps of identifying a loop/string of components having at...
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5166934 |
Self-diagnois and repair system for image forming apparatus
A system according to the invention has a plurality of sensors, a system control circuit and a plurality of actuators. State data, supplied from the sensors, is compared with characteristic data in...
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5161158 |
Failure analysis system
A failure analysis system for simulating the effect of a subsystem failure in an electronic system. The failure analysis system includes a knowledge base, a user interface, and a failure analysis...
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5159685 |
Expert system for communications network
An Expert System 10 for providing diagnostics to a data communications network 5. Alarms from a Network Manager 24 are received and queued by an Event Manager 117 and then filtered by an Alarm...
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5157668 |
Method and apparatus for locating faults in electronic units
An artificial intelligence based method and apparatus for locating faults in electronic units includes a technique for modelling electronic units in terms of behavioral constraints. Behavioral...
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