Flow saturation 流量饱和 Linearity 线形度 Symmetry 对称性 Hysterics 滞环 Threshold 灵敏度 Lap 滞后 Pressure gain 压力增益 Null 零位 Null bias 零偏 Null shift 零飘 Frequency response 频率响应 Slope 曲线斜坡 液压系统(hydraulic system) 执行元件(actuator) 液压缸(cylinder) 液压马达(motor) 液压回路(...
The model implements the orifice equation to simulate turbulent flow through the control valve. The sign and absolute value functions accommodate flow in either direction, as shown in Equation Set 2. Equation Set 2 The fluid within the cylinder pressurizes due to the fluid flow, q12 = q23,...
This cylinder must have ports at the head and rod ends. Pumping oil into the head end moves a piston to extend a rod while any oil in the rod end is pushed out and returned to a reservoir. To retract a rod, flow is reversed. Oil from a pump goes into the rod end, and the ...
Problem to be solved: to provide a technique for simply suppressing oil leakage to a non pressurizing chamber of a single dynamic hydraulic cylinder.The inside of the cylinder case 11 is partitioned into a pressurizing chamber 10a and a non pressurizing chamber 10B by a piston 12.A ...
A hydraulic fluid-driven, multicylinder, modular, reciprocating piston pumping machine of non pulsating flow and independently variable forward and return stroke speeds comprises several pumping modules (A, B . . . E) each having one primary cylinder (A1, B1 . . . E1) and one secondary cylind...
美 英 un.液压系统 英汉 网络释义 un. 1. 液压系统 释义: 全部,液压系统
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Fuzzy PID controller diagram of a hydraulic transplanting manipulator by [77]; 𝑥𝑟𝑒𝑞xreq, 𝑥𝑐𝑦𝑙xcyl—required and actual position of hydraulic cylinder, 𝐾𝑝Kp, 𝐾𝑖Ki, 𝐾𝑑Kd—PID controller parameters. In turn, Jiang [78] studied the fuzzy-logic-based finite-...
Figure 3. Mechanical model diagram of the hydraulic cylinder. 3.2.2. Demand Flow The driver operates the joystick to give control commands to the boom [30]. In this paper, the boom is selected to run at a constant speed when it rises and falls. 𝑣req=𝛼𝑣maxvreq=αvmax (16...
Figure 2. Control schematic diagram. The test rig uses the hydraulic cylinder to load the test bearing. When loading, the hydraulic cylinder contacts with the pressure sharing block on the bearing house. The hydraulic system adjusts the load by the electro-hydraulic proportional relief valve. Th...