Robust Control of the Air to Fuel Ratio in Spark Ignition Engines with Delayed Measurements from a UEGO Sensor

Table 1

Nominal values for the engine.

Parameters	Values	Parameters	Values
	0.00287 bar m^3/kgK		0.0017 m^3
	293 K		1.013 bar
	5.9403		0
	10°		0.4125
	0.001275 m^3
	0.961
	0.0597		1.673
	0.272		0.0135
	−0.969		0.206
	0.22 kW/krpm^3		0.7
	0.0240		0.00048
	27.5°		0.558
	−0.2187		−0.360
	0.9301		0.2154
	1657		−1.299
	3.599		−1.332
	−0.0205		1.741
	−0.745		14.67
	0.65		0.27