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Mixed criticality control system

a control system and criticality technology, applied in computer control, multi-programming arrangements, instruments, etc., can solve the problem of high restrictiveness of control systems

Active Publication Date: 2018-03-01
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a control system that can run multiple applications on a multi-core processor, each with different levels of criticality. The processor ensures that the applications are physically and temporally isolated from each other, so they can communicate with a time-sensitive network (TSN) without interfering with each other. The system also synchronizes the timing of the applications' communications with the TSN's schedule. The technical effect of this system is that it allows for efficient and safe control of a controlled system, with multiple applications running simultaneously on a single platform.

Problems solved by technology

As a result, these control systems are highly restrictive in developing improvements or making other changes to the control systems.

Method used

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Examples

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Embodiment Construction

[0011]Embodiments of the inventive subject matter described herein include control systems and methods that provide a mixed criticality platform that runs a large number of concurrent or simultaneous applications with customized redundancy, increased security, and modularity, while avoiding hampering the functionality of higher criticality applications. The control systems and methods described herein utilize both time (or temporal) and space partitioning of the computing and communication components of the control systems. The modularity of the applications allows for the hosting of a wide variety of different applications across a wide variety of hardware components, increased availability through replication of application functionality, and the ability to scale up to meet surges in applications and future needs. The control systems and method facilitate faster commissioning of new or updated applications, the ability to detect and correct defects in the applications (e.g., relat...

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Abstract

A control system includes a multi-core processor configured to operate plural different applications performing different operations for controlling a controlled system. The applications are associated with different levels of criticality based on the operations performed by the applications. The processor is configured to provide a single hardware platform providing both spatial and temporal isolation between the different applications based on the different levels of criticality associated with the different applications. The processor also is configured to synchronize communications of the applications operating in a real time operating system with scheduled communications of a time sensitive network (TSN).

Description

FIELD[0001]Embodiments of the subject matter described herein relate to control systems that control operation of one or more assets using several applications.BACKGROUND[0002]Control systems direct the operations of various other systems (which can be referred to as controlled systems), such as equipment or machines, to perform many functions of the controlled systems. The control systems may direct the asset operations using software applications having a variety of different levels of criticality to the overall operation of the powered system being controlled by a control system. For example, applications that control safe operation of the controlled system, may have a higher level of criticality to the operation of the controlled system than other applications, such as applications that monitor the system, that diagnose problems with the controlled system, that provide displays to an operator, etc.[0003]Control system platforms may support a large number of independent and depen...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F9/54H04L29/08G05B15/02
CPCG06F9/54G05B15/02H04L67/325G06F9/5061H04L67/62
Inventor SKEFFINGTON, WESLEY MICHAELSMITH, WILLIAMSCHNORE, JR., AUSTARSSEXTON, DANIEL
Owner GENERAL ELECTRIC CO
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