PID Controllers
Automatic controllers are used onboard ships for the adjustment of one or more parameters in…
ON-OFF Controller
On-Off control is the simplest form of feedback control. An on-off controller simply drives the…
The Feed Forward Controller
The most popular architectures for improved disturbance rejection performance arecascade control and the “feed forward with…
Difference Between Open Loop & Closed Loop System
One of the significant difference between the open loop and closed loop control system is…
Ship Automation & Control System
On a ship there are many parameters that needs to be controlled or monitored including:…
Posted inAdvanced
Reduction of Scavenge Pressure after Turbocharger Overhaul
The reduction in the turbocharger performance and hence reduced engine output after turbocharger overhaul is…
Posted inAdvanced
Fatigue Failure on Ships
Fatigue is the failure of a component under fluctuating stress, and as such all components which…
Posted inAdvanced
Marine Engineering Study Materials
Causes of Exhaust Valve Failures Exhaust valve is prone to § Vanadium induced metal loss at…
Posted inAdvanced
Fuel Injector Needle Valve Seizure
When the fuel injector needle valve seizes, this can be when the needle is 1. Shut…
Posted inAdvanced
Fuel Oil Sampling During Bunkering
On-board testing of the fuel could be carried out during the bunker operation by one…