What is the size of the Indian Railway?
Indian Railway one of the largest network of railway system. Up to the march 2019 Indian Railway carried 844 crore passengers through running of 13523 passenger trains.
In that time frame Indian railway has also carried 123 crore tonnes of freight through freight train operation. A total number of 7321 stations are performing to continuing this whole operations.
A major portion of passengers travelling in suburban sections mainly some big cities like Kolkata, Delhi, Chennai,Mumbai,etc. Those route are very very conjugated of train traffic. Indian Railways have to ensure about the safety of all the trains including it's passengers.
Focus on Safety
For the initial stage of train running railway system always gives it's maximum focus of safety. As railway system are track bounded it is most necessary to ensure the safety of passengers.
Indian Railway always tries to assure a safe and secure journey towards its passengers. Despite Indian Railways full efforts, some unwanted happens.
Introduce of various safety System
Indian Railways always try to adopt new advance technology to avoid such occurrences. TCAS full form Train Collision Avoidance System is a new form of safety system adopted in Indian Railway.
TCAS or Train Collision Avoidance System
Train Collision Avoidance System (TCAS): TCAS is an Automatic Train Protection (ATP) System being developed by RDSO with three Indian international level manufacturer.
Working System
It is a microprocessor-based control system, which continuously monitors the speed, the direction of travel, distance travelled, aspect of the signal passed and alertness of the loco pilot and thus increases the safety of railway system.
It also provides assistance to Loco Pilots by means of real-time display of signal aspects in Loco Pilot’s cab. It is based on the determination of the location of Trains through distance traversed from RFID tags installed on track and transmission of signalling related information from Stationary Unit such as Station Interlocking.
A similar system is already adopted in Indian Railway which named is AWS (Automatic Warning System). This system is working smoothly in the automatic signalling system. AWS monitoring the speed of the train according to the signal.
How it is effective towards Loco Pilot ?
In this system, if any loco pilot has to maintain the speed as per signal. If loco Pilot or motorman fails to do so and over speeding according to the signal aspect ,then this AWS will automatically apply brakes to stop the train and thus ensure safety.
TCAS is advanced and comes with new features which also ensure this in absolute block system of train working in Indian Railway. This TCAS is based on the functioning of Train Protection and Warning System TPWS.
This Train Protection and Warning System (TPWS) is coming from the European Technology ETCS Level-1, a proven Automatic Train Protection (ATP) System to avoid train accident /collision on account of human error of Signal Passing at Danger (SPAD) or over speeding.
The main features of this system can divide into two category
Automatic Train Protection (ATP) and Collision Prevention.
ATP features
- SPAD detection and prevention
- In-cab Signaling
- Loco Speed monitoring and Control.
Collision Prevention
- Prevention of Head-on Collision
- Prevention of Rear-end Collision
- Prevention of Side-on Collision
Some other useful features add with this system are
- SOS alerts facility on Loco and Station equipment
- Derailment Alert
- Detection of Train Parting
- Detection of Train Roll-back HBL’s TCAS is a highly cost-effective solution as compared to typical ATP systems and offers many more features for ensuring passenger safety to protection of rail assets.
Equipments on Locomotive and monitoring on line.
Each locomotive is equipped with an automated surveillance system. The total track length divides with 10 km segments with distinct numbering ID. By this way, every portion of railway track can be identified easily through that surveillance system.
Now it can be monitoring how many trains are running on that particular railway track ID section. Those trans now monitoring through GSM networks. Where the GSM networks found poor then trains to avoid collision through RF or radio frequency module.
Thus the total safety of railway passengers travelling in trans can be assured.
Implemented areas of Indian railways.
The system has been installed on Lingampalli – Vikarabad – Wadi, Vikarabad - Bidar section (250 RKMs) on South Central Railway
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