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TrueTime: simulation of networked computer control systems

In English

Författare

Summary, in English

Computer-based control systems and networked control systems are hybrid systems where continuous time-driven dynamics and discrete event-driven dynamics interact. The temporal non-determinism introduced by computing and communication in the form of delays and jitter can lead to significant performance degradation. TrueTime is a MATLAB/Simulink-based simulation tool that takes a completely different approach. Using TrueTime it is possible to simulate the temporal aspects of multi-tasking real-time kernels and wired or wireless networks within Simulink together with the continuous-time dynamics of the controlled plant. TrueTime consists of a block library with a computer kernel block and wired and wireless network blocks. The blocks are variable-step, discrete, MATLAB S-functions written in C++. The kernel block executes user-defined tasks and interrupts handlers. The network blocks distribute messages between computer nodes according to a chosen network model. The blocks are connected with ordinary continuous-time Simulink blocks to form a real-time control system

Publiceringsår

2006

Språk

Engelska

Sidor

272-273

Publikation/Tidskrift/Serie

Preprints. ADHS'06 2nd IFAC Conference on Analysis and Design of Hybrid Systems

Dokumenttyp

Konferensbidrag

Förlag

IFAC

Ämne

  • Control Engineering

Nyckelord

  • ordinary continuous-time Simulink blocks
  • interrupts handlers
  • real-time control system
  • user-defined tasks
  • C++
  • computer kernel block
  • block library
  • wireless network blocks
  • wired network blocks
  • multitasking real-time kernels
  • Simulink-based simulation tool
  • Matlab S-functions
  • discrete event-driven dynamics
  • continuous time-driven dynamics
  • hybrid systems
  • TrueTime
  • networked computer control system simulation

Conference name

ADHS'06 2nd IFAC Conference on Analysis and Design of Hybrid Systems

Conference date

2006-06-07 - 2006-06-09

Conference place

Alghero, Italy

Status

Published