A Middleware Framework for Networked Control Systems

Baliga, Girish Bantwal

Permalink

https://hdl.handle.net/2142/11076 Copy

Description

Title

A Middleware Framework for Networked Control Systems

Author(s)

Baliga, Girish Bantwal

Issue Date

2005-08

Keyword(s)

• networked control systems
• control systems

Abstract

Networked control systems could possibly constitute the next logical step in the evolution of control, leading to the convergence of control with communication and computing. A central challenge is that traditional digital control methods cannot be directly applied to such systems. However, if appropriate system abstractions can be engineered, then such methods and theory can still be utilized. Our thesis is that a well designed middleware framework can indeed manufacture such an abstraction of virtual collocation, and thereby, propel the further proliferation of networked control systems. In this thesis, we present such a middleware framework for networked control systems. Central to this framework is Etherware, a message oriented component middleware for such systems. We begin with a detailed description of the design and architecture of Etherware, and illustrate Etherware based development of networked control systems through a fairly complex traffic control testbed application. Building on the middleware, we address safety and security issues in networked control through a detailed scenario in this testbed, implementing safety preserving security overrides. We then address the issue of providing guarantees of overall system behavior in networked control systems. In particular, based on established properties of sub-systems, we prove system-wide guarantees for safety and liveness in the traffic control testbed.

Type of Resource

text

Permalink

http://hdl.handle.net/2142/11076

Copyright and License Information

You are granted permission for the non-commercial reproduction, distribution, display, and performance of this technical report in any format, BUT this permission is only for a period of 45 (forty-five) days from the most recent time that you verified that this technical report is still available from the University of Illinois at Urbana-Champaign Computer Science Department under terms that include this permission. All other rights are reserved by the author(s).

Owning Collections