pressure circuit

Three-phase alternating frequency modulation control signal produced by 8051 CPU is magnified to control the switch of the silicon controlled rectifier in inverse main bridge circuit, thereby constant pressure speed-adjusting is realized.

由8051CPU产生三相交流调频控制信号，经放大来控制逆变主桥路中可控硅晶闸管的通断，从而实现恒压调速。

Signal acquisition and processing system consists of temperature testing circuit, high speed electromagnetic valve drive circuit, pressure signal A/ D circuit and serial communication circuit and cam position acquisition circuit. Following the system function requirements, several important microchips were selected.

数据采集部分的设计主要包括温度测量模块设计、串口通讯电路设计、AD转换电路设计、凸轮位置检测电路设计以及排油电磁阀控制电路设计，同时根据系统参数要求，对关键芯片进行了选型。

In the paper, we introduce the whole perspective and methodology of the gasoline tank pressure measuring and controlling system based on 8031, the paper also states the operation principle of the whole system, the key techniques in designing the hardware circuit and software.

本文介绍了基于8031单片机开发的汽油箱内汽油蒸汽压力测控系统的总体设计思路和方法，阐述了整个测控系统的工作原理、硬件和软件设计及相关技术问题。

Design and Fabrication of Functionally Graded Material for Sealing High-pressure Gas Discharge Lamps; locking circuit

高强气体放电灯管封接用功能梯度材料的设计与制备保持电路强制同步电路

Referring to the manual control system, there are a lot of information on its circuit design in detail, including the design of electromagnetic valve control circuit, analog output circuit, expecting pressure curve circuit and so on. it also elaborates the programming on GAL chip.

在手动控制系统方面，论文中主要叙述了手动控制电路的设计，包括电磁阀控制电路的设计、期望压力曲线电路的设计以及模拟输出控制电路的设计等，并叙述了对GAL芯片的软件编程。

Two adjustable pressure circuits were used to enhance the system efficiency, and balanced circuit adopting Hydraulic Control One-way Valve and One-way Restrictive Valve was also used after compare all kinds of balanced circuit comprehensively.

为了提高系统工作效率，系统采用了两级调压回路，同时综合比较各种平衡回路，选用采用液控单向阀和单向节流阀的平衡回路。

Tows Transformer Substation High Pressure Circuit Breaker Operating Mechanism Common Breakdown Processing

牵引变电所高压断路器操作机构常见故障处理

Pressure characteristic of cold gas flow interruption for a self-blast SF_6 circuit breaker

自能SF6断路器冷气流开断压力特性

The hardware design consists of three parts, namely the signal conditioning circuit in the respiratory module, the overall circuit in the blood pressure measurement module, and the overall design of body temperature measurement module.

硬件电路的设计包括呼吸模块信号调理电路的设计，血压测量模块中脉搏波信号和静压信号采集电路的整体设计，以及体温测量模块整体电路的设计。

Application of the Synchronous Motor to Ascend and Descend Device Synchronizing Circuit of the Steel Pipe Water Pressure Experiment Machine

同步马达在钢管水压试验机升降架同步回路中的应用GB/T7550-1987球笼式同步万向联轴器试验方法

A Brief Analysis of the Logic of Hydraulic Pressure Circuit

液压回路中的逻辑学浅析

This text devises one kind of control system, that is, pragmatic hydraulic pressure massage cabin. The control system consists of two great module electric circuits, namely, control circuit and operation electric circuit The system is one that has two microcomputers.

本文研究设计了一种实用的干式水压按摩舱控制系统，由控制板电路、手持机电路两大模块电路组成。