Tender invited for Development of Train Collision Avoidance System

1.5.4 The development of the equipment to meet RDSO’s specification may take
time and in case the firm has developed system meeting most of the
functional requirement of the specification and further upgradation to meet
RDSO’s specification is mainly change in the software, RDSO may permit
field trials after necessary testing in the lab to expedite the developmental
process. However, firm will have to confirm the time frame in which the
equipment will be upgraded to meet the technical requirement of the tender.
1.5.5 Once the system has been developed by multiple vendors, interoperability test
shall be conducted in RDSO by first simulating the set up in the Lab at RDSO
and thereafter the interoperability test shall be conducted in the field. Any
changes required either in software or hardware shall be carried out by the
firms in the defined timeframe. In order to ensure interoperability, firms have
to ensure that product being developed should have open architecture
interface protocol and no proprietary interface/protocol/subsystem/component
is used while designing the system.
1.5.6 While designing the system, it needs to be ensured that system should be able
to work even in situations of prolonged failure of GPS/GNSS and there shall
be no need for storing any geographical map of the section/station or section
details in the loco equipment.
1.5.7 The firms have to develop a computer simulator to create the actual field
condition in the lab for testing of station, track or loco equipment. It should
also be possible to upload the actual field data collected from the NMS to
simulate actual movement and find out any problems for carrying out
improvement. Such equipment needs to be supplied to RDSO alongwith
prototype equipment for testing that will be undertaken at RDSO.
1.5.8 It is proposed to use existing output of the tacho generator of locomotive for
calculating the speed and distance travelled. The output of the tacho
generator may be affected due to slip/slide of the wheels on which tacho
sensor is provided on the locomotive. Since GPS/GNSS output is available,
the system should be designed in such a way that necessary algorithm is able
to detect slip or slide and carry out necessary correction to keep the error in
speed and distance within the limits specified. The firm shall submit the
algorithm proposed to be used to overcome this problem.
1.5.9 RFID tags provided on the sleepers need to withstand various expected track
conditions like getting covered with ballast, getting submerged in water, drop
of various objects and damages by the personnel working/walking on the
track. The tag should be rugged and be able to withstand and continue to
work satisfactorily in such situations.
1.5.10 Each locomotive or locomotives in multi configuration needs to be provided
with RFID reader on either side of the locomotive. This is to take care of
error due to distance of the RFID reader from the front wheel and shall also
provide redundancy in case of failure of one RFID reader.
Page 4 of 72 of Part-II Sec-II