A water supply system consisting of three pumping stations located at 45, 25, and 30 m with respect to to the reference plane, respectively. All three stations are expected to pump water in a tank located at 61 m. All tanks are large enough to assume that the fluid level remains nearly constant, allowing them to be modeled with the Constant Head Tank block. The initial volume of water in each tank is set to 100 m^3. Each pumping station consists of a tank, two centrifugal pumps installed in parallel, and a prime mover rotating at 1700 rpm. The pump characteristics are specified using lookup tables.

A simplified version of a lubrication system fed with the centrifugal pump. The system consists of five major units: Pump Unit, Scavenge Unit, Heat Exchanger Manifold, Nozzle Manifold, and Control Unit. Both the pump and the scavenge unit are built around the centrifugal pump. The Scavenge Unit collects fluid discharged by nozzles and pumps it back into the reservoir of the Pump Unit. The Control Unit generates commands to bypass either the heat exchanger, represented as a local resistance, or the nozzles block. In a real system, these commands are generated by temperature sensors installed in lubrication cavities.

一个典型的动力单元，由电动机通过柔性变速箱和压力浮雕阀组成的固定置换泵组成。可变孔口充当系统的负载。

由固定置换泵组成的典型动力单元，该泵由角速度源，压力阀，减压阀和两个可变孔组成。

配备泵和方向阀之间安装的负载速度调节器的电路。与传统的仪表内速度控制不同，负载感应设备会自动调节泵的输出压力，以使其等于跨压力补偿流量控制阀的预设压力下降和由负载引起的压力。负载速度控制块中的试验性压力浮雕阀由Poppet阀和液压双作用阀执行器块构建。

一个电路using a load-sensing and pressure-limiting unit in a conventional reciprocal system with variable load on the forward stroke. The unit limits output pressure to 300 bar and maintains a preset pressure drop in 10 bar across velocity control orifice on the discharge port of the pump. The unit is built of two 3-way, 2-position valves, two single-acting hydraulic valve actuators, and one double-acting hydraulic valve actuator.

A test rig designed to investigate interaction between an axial-piston pump and a typical control unit, simultaneously performing the load-sensing and pressure-limiting functions. To assure required accuracy, the model of the pump must account for such features as interaction between pistons, swash plate, and porting plate, which makes it necessary to build a detailed pump model.

一个由比例的4向方向阀组成的闭环执行器，驱动双作用液压缸。圆柱体驱动由质量，粘性和库仑摩擦，恒力和弹簧组成的负载。执行器由可变位置，压力补偿泵提供动力，由恒定速度电动机驱动。使用液压管道块对阀，气缸，泵和储罐之间的管道进行建模。

由固定置换泵组成的典型动力单元，该泵由角速度源，压力阀，减压阀和两个可变孔组成。

A pressure-compensated 3-way flow control valve. This valve maintains constant flow rate through the main hydraulic motor, which is connected to the pressure-compensated outlet of the flow control valve. It acts as a priority valve, diverting the excess flow to the auxiliary hydraulic motor if the main hydraulic motor receives enough fluid to maintain a preset angular velocity. The auxiliary motor is shut off completely if there is insufficient flow to power the main hydraulic motor.

配备泵和方向阀之间安装的负载速度调节器的电路。与传统的仪表内速度控制不同，负载感应设备会自动调节泵的输出压力，以使其等于跨压力补偿流量控制阀的预设压力下降和由负载引起的压力。负载速度控制块中的试验性压力浮雕阀由Poppet阀和液压双作用阀执行器块构建。

一个电路using a load-sensing and pressure-limiting unit in a conventional reciprocal system with variable load on the forward stroke. The unit limits output pressure to 300 bar and maintains a preset pressure drop in 10 bar across velocity control orifice on the discharge port of the pump. The unit is built of two 3-way, 2-position valves, two single-acting hydraulic valve actuators, and one double-acting hydraulic valve actuator.

喷气泵的安装。此示例中介绍的井泵安装由一个表面安装的离心泵和一个安装在水面下方的井中的喷气泵组成。

该示例中代表的燃料供应系统由三个储罐和一个发动机组成。发动机是从中央储罐中馈入的，而左翼储罐的燃油和右翼储罐用相应的泵站泵送到中央水箱。每个泵站由两个离心泵组成，并平行连接，泵插座中安装了止回阀，以防止后流。这些泵由7200 rpm的角速度驱动器驱动。用理想的角速度源模拟移动器。

A classical problem of fluid transportation: to determine flow rates, pressures, and fluid volumes in a system built of three constant head tanks. The tanks are located at different elevations and connected with pipelines combined together in a common node located at 50 meters with respect to the reference plane. The simulation time is set to 50 seconds, which is enough for system variables to settle down and reach near steady-state values.