发明申请
US20120185151A1 SYSTEM AND METHOD FOR CONTROLLING FUEL INJECTION TO DECREASE PARTICULATE EMISSIONS DURING TRANSIENT ENGINE OPERATION 有权
用于控制燃油喷射以在过渡发动机运行期间减少颗粒物排放的系统和方法

SYSTEM AND METHOD FOR CONTROLLING FUEL INJECTION TO DECREASE PARTICULATE EMISSIONS DURING TRANSIENT ENGINE OPERATION
摘要:
A control system for an engine includes a transient operation detection module, an injection determination module, and an injection control module. The transient operation detection module detects whether the engine is operating in a transient state. The injection determination module, based on an elapsed time since a fuel request and at least one of a plurality of engine operating parameters, at least one of (i) increases a number of fuel injections per combustion cycle to N, and (ii) adjusts periods for each of the fuel injections, wherein N is an integer greater than or equal to two. The injection control module controls fuel injection during the transient state based on at least one of (i) N fuel injections per combustion cycle and (ii) the adjusted periods.
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