Especially with the successful application of Power Bond Graph modeling technique in the dynamic performance analysis of hydraulic system, the researches in this field have been advanced greatly.
特别是功率键合图建模技术在液压系统动态特性研究领域中的成功应用，为其提供了强有力的技术手段，大大推动了这方面研究工作的进展。
This article introduces the fundamental concept of power bond graphs, and discusses how to establish bond graphs, status equations, and digital simulation of dynamic responses in a hydraulic system.
本文介绍了功率键合图的基本概念，以直动式溢流阀为例，讨论了键合图的建立、状态方程的建立、液压系统动态响应的数字仿真方法。
Based on the principle of power bond graphs, the modeling method for the hydraulic steering control unit type BZZ5 with the load sensing hydraulic steering system is introduced.
依据功率键合图原理，研究BZZ5型液压转向器和负荷传感全液压转向系统的建模方法。
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