WG LISA 2023-09-25

[emiltin]

Participants

Paul Schneider, Schlothauer & Wauer
Matthias Künzelmann, Schlothauer & Wauer
David Otterdahl, Swedish Traffic Administration (Trafikverket)
Emil Tin, City of Copenhagen

Background

LISA and RSMP in the Nordics – and beyond.
RSMP Nordic initiative.
LISA product page:
https://www.schlothauer.de/en/software-systems/lisa/

Vender-specific interface

Interface between LISA and TLC has nothing to do with OCIT directly.
OCIT allows you to send new configurations.
LISA -> OCIT supervisor -> TLC.
Logic functions in LISA: very generic, has nothing directly to do with LISA, although a few things are currently specific to LISA.
OCIT: send generic blob to the TLC. Switch commands.

LISA can accept program changes.
The LISA kernel runs on the TLC.

LISA Software

You design your signal program (or algorithm) on you PC.
Now you want to run it on the TLC
The signal program is compiled to a binary executable.
It can be transferred to the TLC in different ways:

• manually install file on TLC.
• send from LISA using OCIT/RSMP?

Note that the TLC must support LISA to run LISA programs.

Fixed time control

Proprietary, implemented for each supplier. A file is exported from LISA, which sets up inter-green times, programs, timings. But the TLC must support LISA. Transfer either physically using e.g. a USB-drive, or online using e.g. ftp, but you have safety parameters. Manufacturer-specific tool to do the initial configuration.
If you want to change things, like timing, then you transfer a new complete configuration. Sometimes directly from LISA, sometimes via an export to xml. Nothing to do with OCIT, expect if you send to a OCIT central system, and them from there to the TLC.

Traffic actuated control

A library of control functions. A visual code diagram. Export compiled c or java code.
The TLC must implement these functions, which act as an interface to the hardware of the TLC
In Aarhus, the program is send via OCIT to to a central OCIT-C system, which then upload to the controller.

Next steps

• Try to run LISA and change signal program via RSMP.
• Send XML via LISA.
• Send binary via LISA
• Follow up in January