Actuator Fault Diagnosis with Application to a Diesel Engine Testbed

Table 1

Sensors and actuators list.

Sensors	Actuators
Inlet temperature sensor	EGR valve drive actuator
Inlet air flow meter	VGT vanes drive actuator
Inlet pressure sensor
Pre-turbo exhaust pressure sensor
Acceleration pedal position sensor
Engine speed sensor
Inlet manifold oxygen sensor
Exhaust manifold oxygen sensor
Exhaust opacity sensor (AVL Opacimeter 439)
Exhaust emission sensor (Testo 350 Engine test kit)
EGR position feedback sensor
VGT position feedback sensor