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    • 6. 发明授权
    • Method for the closed-loop control of the boost pressure of a
turbocharged internal combustion engine
    • 用于涡轮增压内燃机的增压压力的闭环控制的方法
    • US6067799A
    • 2000-05-30
    • US220235
    • 1998-12-23
    • Dirk HeinitzAchim PrzymusinskiChristian Birkner
    • Dirk HeinitzAchim PrzymusinskiChristian Birkner
    • F02D41/00F02D23/00
    • F02D41/0007Y02T10/144
    • The boost pressure in a turbocharged internal combustion engine is regulated by closed-loop control. A current performance graph value u(k), corresponding to a desired boost pressure, is determined from a speed/load-dependent performance graph. After that, the current performance graph value u(k) is compared with a previous performance graph value u(k-1). If the current performance graph value u(k) is greater than or equal to the previous performance graph value u(k-1), then the current performance graph value u(k) is transmitted as the process parameter x(k). Conversely, if the current performance graph value u(k) is less than the previous performance graph value u(k-1), then the current performance graph value u(k) is filtered by a PT.sub.2 member after an idle time elapses and is transmitted as the process parameter x(k).
    • 涡轮增压内燃机的增压压力由闭环控制来调节。 根据速度/负载相关的性能图确定对应于期望的增压压力的当前性能图值u(k)。 之后,将当前性能图值u(k)与先前的性能图值u(k-1)进行比较。 如果当前性能图值u(k)大于或等于先前的性能曲线图值u(k-1),那么当前的性能图值u(k)被作为过程参数x(k)被发送。 相反,如果当前的性能图值u(k)小于先前的性能图值u(k-1),那么在空闲时间过去之后,当前性能图值u(k)被PT2成员过滤,并且是 作为过程参数x(k)发送。