Research Article

Optimization of Fuel Injection Control System of Two-Stroke Aeroengine of UAV

Table 1

Specifications of DLE170 engine.

ParameterValue

Cylinder bore (mm)52
Engine stroke (mm)40
Connecting rod length (mm)175
Compression ratio9.5
TDC clearance height (mm)2
Displacement (cc)85X2
Intake fuel pressure (MPa)0.3
EVO (degrees)65
IVO (degrees)123
Intake pressure (bar)1
Intake temperature (K)298
Exhaust temperature (K)700
Exhaust pressure (bar)1.2
Maximum performance13 kw@7500 RPM
Minimum idle (RPM)1000
Range of the throttle opening degree (degrees)10∼90
EVC (degrees)−65
IVC (degrees)−123