Author: Roy Chaudhuri, S.
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TUDPL03 Control System Simulation Using DSEE High Level Instrument Interface and Behavioural Description 292
  • A.J.T. Ramaila, K. Madisa, N. Marais
    SKA South Africa, National Research Foundation of South Africa, Cape Town, South Africa
  • A.S. Banerjee, P. Patwari, S. Roy Chaudhuri
    Tata Research Development and Design Centre, Pune, India
  • Y. Gupta
    National Centre for Radio Astrophysics, Tata Institute of Fundamental Research, Pune, India
  Funding: National Research Foundation of South Africa. National Centre for Radio Astronomy of India.
Development of KATCP based control systems for the KAT-7 and MeerKAT radio telescopes proved the value of a fully simulated telescope system. Control interface simulators of all telescope subsystems were developed or sourced from the subsystems. SKA SA created libraries to ease creation of simulated KATCP devices. The planned SKA radio telescope chose the TANGO controls framework. To benefit from simulation-driven development tango-simlib, an OSS Python library for data-driven development of TANGO device simulators, is presented. Interface simulation with randomly varying attributes only requires a POGO XMI file; more complex behaviour requires a simple JSON SIMDD (Simulator Description Datafile). Arbitrary behaviour is implemented selectively using Python code. A simulation-control interface for back-channel manipulation of the simulator for e.g. failure conditions is also generated. For the SKA Telescope Manager system an Eclipse DSEE (Domain Specific Engineering Environment) capturing the behaviour and interfaces of all Telescope subsystems is being developed. The DSEE produces tango-simlib SIMDD files, ensuring that the generated simulators match their formal specification.
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