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Fuel Monitoring on Diesel Locomotives

Iraqi Republic Railways to monitor fuel consumption on diesel locomotives
Country: Iraq
Industry: Railway communication
Integrator: Integrated Solutions
Customer: Iraqi Republic Railways
Equipment:

Wireless fuel level sensors Escort TD-BLE

Objective:

fuel and operations monitoring on trains

In early 2000s the railway network of Iraq suffered severe damages as a result of the military conflict, to the point where it remained completely dysfunctional over the course of four years. As the overall situation in the country started improving, the railway system also got better. First, the railway communication was restored between the two major cities of the nation Baghdad and Basra. This railway line stretches for 545km.

However, because of the war and long period of inactivity of the railways, the monitoring system of the network were in a state of complete decay. And without any modern solutions for automated monitoring and control the Iraqi Republic Railways ran into such issues as:

  1. Lack of any means to prevent inefficient use and theft of fuel;
  2. Absence of means to monitor the speed of the diesel locomotives and low safety;
  3. Disorganized timetables and disruptions in the circulation of trains.
Escort TD-BLE

Fuel monitoring on diesel locomotives

At first, it seemed that the project on the implementation of monitoring systems to improve the performance of the Iraqi railways would be an easy one. The integrator offered the customer the following:

  1. To fit every locomotive with Galileosky Base Block GPS trackers;
  2. To mount Escort TD-BLE fuel level sensors on the units’ tanks;
  3. Implement the Wialon monitoring platform.
Escort TD-BLE

However, once the project took off, the integrator ran into several issues:

  1. The GPS devices turned out to be susceptible to the interferences generated by the diesel locomotives’ systems. It took some time and effort to find an optimal spot to install the trackers on so that the satellite connection would be stable;
  2. The same went for the fuel level sensors: radio interferences would heavily affect the Bluetooth signal. It was necessary to find a way to shorten the distance between the sensor and the tracker. That proved to be not an easy task since there was little room for the sensor to be mounted on the top of the tank located right under the locomotive’s engine.

Problem solved

By trial and error method, the integrator’s team managed to find the optimal spot to mount the sensors. The devices worked best if installed in a tube welded onto the tanks side close to the bottom. The tank’s wall there turned out to be thinner and the dispense hole being close was an advantage too. The tube was longer than the tank’s height. It was also fitted with a valve to control the fuel flow between the tube and the tank.

Since the TD-BLE sensor is a wireless one, there was no need to worry about cabling. There are no risks of sabotage or damage caused to the device as well. The TD-BLE can be easily configured via a mobile app. And since it is based on the low energy technology, its battery will last for up to several years.

Results

After the project was finished, the dispatchers of the Iraqi Republic Railways were able to access any relevant data on the diesel locomotives’ operation between Baghdad and Basra. The TD-BLE sensors now help keep track of such parameters as: actual fuel consumption with the 98-99% precision, refueling and drains with the data on when and where they happened. And the functionalities of the Wialon platform make it possible to track and prevent inefficient use of fuel and theft attempts.

It is also much easier to manage timetables now thanks to the data on the trains’ speed, departures and arrivals. All responsible employees are properly informed by email of any important events automatically.
One more advantage is that any data can be accessed either in real time or via reports collected in a certain time span.

Thanks to a comprehensive and efficient monitoring effort:

  1. The diesel locomotives of the Iraqi Republic Railways now stick to their timetables
  2. The safety of the passengers and goods has been improved;
  3. Financial losses caused by the excessive fuel consumption, repair works and idling have been greatly reduced;
  4. The money saved as a result of this is reinvested in further improvements of the network