工矿自动化

Design of DSPbased AC Speed Regulating System without Speed Sensor

MA Xian-mi

2000, 26(3): 1-3.

<Abstract>(18)

Abstract:
According to the principle of direct torque control,the character of DSP and its application in frequency converting and speed regulating system of asynchronous motor are introduced,the design scheme based on DSP for the AC speed regulating system without speed sensor is presented in this paper.

Intelligent Dust Gage with Isotope

ZHANG Zhen-jiang

2000, 26(3): 3-4.

<Abstract>(45)

Abstract:
The paper describes working principle of dust gage. It not only introduces design of software and hardware based on 8031 singlechip microcomputer system,but also offers testing result.

Development and Manufacture of Coal Enterprise Warehouse Material MIS Based on Objectoriented Modeling

YI Tong , GAO Xue-qin , DENG Min

2000, 26(3): 5-7.

<Abstract>(35)

Abstract:
The paper takes Unified Modeling Language(UML), which is the newest development in objectoriented field, to analysis and design MMIS. And it focuses on the statement of the modeling technique based on objectoriented general component and architecture and software reusability, which was used during development of this system. In additional, a method of how to realize is introduced.

Design and Implementation ofEquipment Leasehold and Comprehensive Accessory Management System onthe Basis of WEB

WANG Cheng-gang, WANG Xiao-dong

2000, 26(3): 8-9.

<Abstract>(6)

Abstract:

Development and Manufacture of the Multifunction Tester for Serial and Asynchronous Commmunicatio

SHI Liang

2000, 26(3): 10-11.

<Abstract>(36)

Abstract:
The paper introduces multifunction tester of serial and asynchronous communication that can test the baud rate of serial communication level, and it can send certain serial asynchronous communication signal in order to be used by testing through software arranging. It has characteristic of simple structure and convenience.

Program Design for Decision of Fire Position Underground

WANG Du-xia, ZHOU Fu-bao, CHENG Yuan-guo

2000, 26(3): 12-13.

<Abstract>(33)

Abstract:

Study of DDC Control System for Constant Deceleration of Mine Hoists

MIAO Yun-jiang, NI Hong-zhao

2000, 26(3): 14-15.

<Abstract>(9)

Abstract:

To Realize Data Collecting System with PLC

CHEN Xin-hua

2000, 26(3): 16-17.

<Abstract>(29)

Abstract:
The author analyzes the problem in the data collecting system at present and puts forward a kind of new data collecting method with PLC. Component principle and realizing course of this system are introduced as well as.

Application of 8098 Singlechip Microcomputer in the Tension Tester for Steel Wire

LI Yi, CHENG Ning

2000, 26(3): 18-19.

<Abstract>(69)

Abstract:
The paper introduces the hardware organization and program flowchart of 8098 singlechip microcomputer in the tension tester for steel wire.

Application of PLC in Coal-transportation Control System Used in Power Statio

SHANG Li-qu

2000, 26(3): 20-21.

<Abstract>(14)

Abstract:

Application of the Technology of AC Speed Regulating in Fan and Water Pump Used in Coal Mine

LUO Nian-hai, CAI Li

2000, 26(3): 22-23.

<Abstract>(18)

Abstract:

Phase Lines' Selecting When Carrying out Monitoring and Protecting with Carrier-frequency for Coal Drilling

YANG Mao-yu, ZHAO Yong-hong

2000, 26(3): 24-25.

<Abstract>(8)

Abstract:

Design of Microcomputer-based Electromagnetic Valve Controller for General Jig

ZHANG Yong-qiang, WANG Bo-sheng, HE Hong-jiang, WU Kai-xing

2000, 26(3): 26-27.

<Abstract>(18)

Abstract:
The paper introduces the design idea of microcomputerbased electromagnetic valve controller for general Jig, and it gives corresponding hardware component and software design method.

Inquire into Reworking on High-tension Capacitance Compensation for 6kV Distribution Statio

FU Xiao-ping

2000, 26(3): 28-29.

<Abstract>(23)

Abstract:

Scheme Analysis in Control of V-M Reversible Speed Regulating System of Mine Hoists with Feebly Magnetic Field

LIU Huai-xia, YANG Wei-zhe

2000, 26(3): 29-31.

<Abstract>(28)

Abstract:

Data Monitoring System Based upon the Control of Serial Bus

HAO Ying-ji