在水力系统线性化模型辨识方面，本文提出了使用给定功率阶跃扰动下实测数据进行辨识的方法。
In hydraulic system linear models identification, a method using field test data under step disturbance of given power has been proposed in this thesis.
根据钻井水力学理论，在各井段最小排量确定的基础上，建立了泥浆泵泵压、泵功率预测模型。
According to the theory of drilling hydraulics, prediction model for mud pump was established on the basis of ensuring minimum flow rate.
研究表明，排污泵考虑效率和通过能力而进行的加大流量设计导致了轴功率随流量上升过快更容易发生过载这一问题，是可以通过合理的水力设计得到解决的。
The research results in the paper shows that the brake horsepower overload resulting from the design of larger capacity of sewage pump can be solved by reasonable design.
研究表明，排污泵考虑效率和通过能力而进行的加大流量设计导致了轴功率随流量上升过快更容易发生过载这一问题，是可以通过合理的水力设计得到解决的。
The research results in the paper shows that the brake horsepower overload resulting from the design of larger capacity of sewage pump can be solved by reasonable design.
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