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DOF1 - System to Open and Close the Platform Doors on Line 1, SIL3
| Summary |
Client: RATP
Equipment:
- Line 1 of the Parisian subway
- 26 equipped stations
- 52 equipped trains
Standards: 61508, EN50126, EN50128, EN50129
Safety level: SIL3 on the inopportune opening failure of the doors
In the context of the "Paris Subway Line 1 Automation"
project, the SIL3 DOF1 safety system, which is independent from the automatic
train system, will command the opening and closing of the landing doors
installed on all the line's platforms.
This system will be used with existing trains MP89 and will be compatible with the new automatic trains MP05 that will progressively replace the current ones.
DOF1 also prevents the train doors on the opposite side of the platform from opening.
DOF1 will then be disassembled when all the automatic trains are in operation on Line 1. Then the trains MP89 will be operate on the line 4 and DOF1 will installed on this line to enabled the correct side door, and in the future control platform screen doors.
The DOF1 system includes an embedded portion on the train that processes the train door opening and closing commands made by the conductor and sends the command to the portion located in the platform's technical office. The command to open the door is processed and sent to the landing doors.
The train/ground link is effected via a mat installed on the rails, which creates a magnetic loop with a sensor installed on the train's bogie.
This system is Sil 4 Level safe to enable the correct side door of the train. The platform screen doors can only be opened when the train has reached the platform with a SIL3 safety level. The solution is based on Siemens SIL3 automatons.
Clearsy is the Project Manager and responsible for the study and manufacturing of equipment series to be installed throughout the line. It is working in partnership with TLTI, more specifically responsible for the production of equipment, mechanical and electronic parts.
Capture of graphic animation carried out with Brama
Clearsy adopted an original method to submit to the call to tender: a B model of the
specifications was performed with the Composys tool, then graphically animated
with the Brama tool. We were therefore able to define the needs of the RATP by
transcribing our understanding of the system into a model and then validating
this understanding by animating the system in various scenarios viewed on the
screen. Questions could therefore be asked and a detailed response provided, as
the system must be designed in only six months.
Like the Coppilot system, Clearsy uses a development process that integrates the B method, from the system specifications up to the code stage. The B models developed participate in demonstrating the system's safety and the level of availability of the system that must be very high in order to ensure fluid traffic.
The animation system is available on Brama's site: www.brama.fr
Contact us : Tel : 04 42 37 12 70 - Fax : 04 42 37 12 71 - contact@fersil.fr