PC200-5 Excavator hydraulic system is composed of some of the basic circuit and auxiliary circuit composed of, they include the work loop, voltage limiter circuit, unloading loop, the buffer circuit, throttle, and throttle speed limit circuit, walking speed limit circuit and pilot valve control circuit and so on.
PC200-5型挖掘机液压系统是由一些基本回路和辅助回路组成，它们包括工作回路、限压回路、卸荷回路、缓冲回路、节流调速和节流限速回路、行走限速回路和先导阀控制回路等。
This paper developed the throttle control system for automobile engine based on Motorola 16bit single chip microcomputer, the design of microcomputer control circuit, torque motor were introduced and control algorithm, this system has already been used for the Eddy Current Dynamometer to realize the control of engine throttle position.
开发了基于摩托罗拉16位单片机MC9S12DP256B的汽车发动机油门控制系统，介绍了单片机核心控制电路、力矩电机驱动电路及控制算法设计，该系统已应用到电涡流测功机控制器中，实现了对发动机油门位置的控制。
Selection of double-vane pump and valve components import volume in the throttle control loop circuit back-pressure valve installed.
选用双联叶片泵和调速阀组成进口容积节流调速回路在回路中设置背压阀。
Set your throttle circuit so that you get minimum vapour flow at IDLE, and maximum vapour flow at FULL POWER without blowing the pressure relief valve.
设置您的油门电路，使您得到最低蒸汽流量闲置，和最高的蒸气流在完整的权力，没有吹的压力，溢流阀。
The computer simulation methods were employed to analyze the influences applied to dynamic characteristics of speed control hydraulic circuit due to the different open area of throttle valve and the parameter value change of oil modulus of volume elasticity. The computer simulation results were given.
应用计算机仿真的方法，研究了节流阀开口度的不同和油液体积弹性模量值的改变对进油节流调速回路动态特性的影响，给出了仿真结果。
Comparison on Speed-load Characteristic of Speed Regulation Circuit with Throttle Valve and with Flow control Valve
用节流阀和调速阀的节流调速回路的速度-负载特性对比
The electronic control unit of the engine includes: microcontrollers, photoelectric isolation, power amplification and throttle actuator drive circuit.
设计的发动机电控单元主要包括：微控制器、光电隔离、功率放大和油门执行器驱动电路等。
This kind of circuit not has the function of flow regeneration, but also has the function of energy recovery. Thus to avoid too much of hydraulic and gravity potential energy loss in the mouth of the throttle valve road.
这种回路不但具有普通流量再生回路的流量再生作用，而且还具有能量回收的作用，从而避免了过多的液压能和重力势能损失在多路阀的节流口上。
The functions and principles of speed regulating valve and throttle in series secondary feed circuit are analyzed.
分析了串联二次进给回路中的调速阀和节流阀的各种情况。
This paper introduces the connection of speed servo adjusting unit and the throttle, simplifies the control circuit of the manual throttle and offers two practical methods of speed testing.
介绍伺服调速及油门机构的连接，简化手油门控制电路，给出两种实用的测速方法；
Matlab-based Computer Simulation of Speed Control Hydraulic Circuit with Throttle Valve
基于MATLAB的节流阀调速液压回路计算机仿真
Taking speed control hydraulic circuit with throttle valve placed in in-line as an example, the lumped parameter model was built to describe the dynamic characteristics, the methods to build the simulation models in MATLAB were given.
以进油节流阀调速液压回路为例，建立了描述液压调速回路动态特性的集中参数数学模型，给出了在MATLAB环境下建立其仿真模型的方法。
The Discussion of the Maximum Efficiency Value in Speed - Control Circuit with Throttle Valve
节流阀调速回路最大效率值探讨
Corresponding dynamic characteristics simulation results of circuit speed were obtained while the step opening of throttle was given.
使用该模型进行了计算机仿真，当给出阀口阶越开度时，得到对应的回路速度的动特性仿真结果。