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OSADL Articles:
2023-11-12 12:00
Open Source License Obligations Checklists even better nowImport the checklists to other tools, create context diffs and merged lists
2022-07-11 12:00
Call for participation in phase #4 of Open Source OPC UA open62541 support projectLetter of Intent fulfills wish list from recent survey
2022-01-13 12:00
Phase #3 of OSADL project on OPC UA PubSub over TSN successfully completedAnother important milestone on the way to interoperable Open Source real-time Ethernet has been reached
2021-02-09 12:00
Open Source OPC UA PubSub over TSN project phase #3 launchedLetter of Intent with call for participation is now available |
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13th Real-Time Linux Workshop from October 20 to 22 at the Faculty of Electrical Engineering, Czech Technical University in Prague
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Platform independent remote control and data exchange with real time targets
Martin Leonhartsberger, Institute for Measurement Technology, Johannes Kepler University, Linz, Austria
Bernhard Zagar, Institute for Measurement Technology, Johannes Kepler University, Linz, Austria
Most realtime applications in context to automatic control and data acquisition do require user interfaces to change parameters or to extract data on runtime. Especially in prototyping control processes, it is common to use CACSD programs such as Matlab or Scicos for code generation. While still being in the prototyping stage the customer demands to start evaluation using a software tool. Very often those customers do not possess the ability to work with CACSD tools or other tools as xRTAILab because of missing licenses or lack of knowledge in linux. To close the gap between the realtime target and data evaluation a remote control framework is introduced. Our approach is to use RTAIXML as a XML-RPC server. It is running on the rt-system and has the ability to connect to CACSD generated code. This server instance can be contacted through a platform independent Java framework which allows quick prototyping of simple to use user interfaces without interfering the control system development. It is possible to transfer scopes and to change parameters on running targets. Because of layer based design patterns it is easy to change the remote communications layer in a later project step if needed.