Advantages of Shandong servo system


Release time:

2017-05-31

The hydraulic actuator moves quickly and changes direction quickly. As far as the flow-speed transfer function is concerned, it is basically an oscillation link with a large natural frequency, and with the increase of the flow rate and the best matching of the parameters, the natural frequency can be increased to the natural frequency of the electro-hydraulic servo valve. compared to. The natural frequency of the electro-hydraulic servo valve is generally above 100HZ, so the frequency response of the hydraulic actuator is very fast, and it is easy to start, brake and change directions at a high speed. Compared with electromechanical system actuators, the natural frequency is usually higher.

Advantages of Shandong servo system
 
(1) The hydraulic actuator moves quickly and changes direction quickly. As far as the flow-speed transfer function is concerned, it is basically an oscillation link with a large natural frequency, and with the increase of the flow rate and the best matching of the parameters, the natural frequency can be increased to the natural frequency of the electro-hydraulic servo valve. compared to. The natural frequency of the electro-hydraulic servo valve is generally above 100HZ, so the frequency response of the hydraulic actuator is very fast, and it is easy to start, brake and change directions at a high speed. Compared with electromechanical system actuators, the natural frequency is usually higher.

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(2) The volume and weight of hydraulic actuators are much smaller than those of electromechanical actuators of the same power. Because with the increase of power, the volume and weight of hydraulic actuators (such as valves, hydraulic cylinders or motors) increase much more slowly than that of electromechanical actuators. This is because the former mainly relies on increasing liquid flow and pressure to increase power, although The volume and weight of the power mechanism will also increase, but high-strength and light metal materials can be used to reduce the volume and weight.
 
(3) The hydraulic actuator has stable transmission and strong anti-interference ability, especially good low-speed performance, while the transmission stability of the electromechanical system is poor, and it is susceptible to various external interferences such as electromagnetic waves.
 
(4) The hydraulic actuator has a wide speed range and high power gain.

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