| 摘要 |
In a process for the control of charging and discharging of an oxygen reservoir ( 4 ) of an exhaust gas catalytic converter ( 3 ) as a function of the voltage signal (U<SUB>LSF</SUB>) of a binary lambda probe ( 5 ) mounted downstream from the exhaust gas catalytic converter ( 3 ), it is proposed that according to the differentiation of the case the voltage signal (U<SUB>LSF</SUB>) which has been output by the lambda probe ( 5 ) mounted downstream from the exhaust gas catalytic converter( 3 ) is divided into three regions (A, B, C) which each trigger different control strategies for charging and discharging of the oxygen reservoir ( 4 ) of the exhaust gas catalytic converter ( 3 ). As proposed, economical binary lambda probes ( 5 ) can be used for favorable control of charging and discharging of the oxygen reservoir ( 4 ) in order to set or maintain the setpoint region of mean charging of the oxygen reservoir ( 4 ) from approximately 30 to 70% which is optimum for conversion of the exhaust emissions.
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