Industry and Mine Automation Articles

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1Design of On-line Monitoring System for Electromagnetic Radiation of Coal and Gas Bursting1-3

2Distribution of Leakage Electromagnetic Field Intensity in Underground and Its Measurement3-5

3Probe on Measuring Methods of AC Characteristic Parameters5-8

4Study on Vibration Sensor of Ultra-low Frequency 8-10

5DC Speed Regulating System Based on Optimum PID Control Algorithm11-12

6Research and Development of Energy Saving Device of Asyncronous Motor Based on Single-chip Microcomputer13-15

7Study on Extinction Coil Equipped in Coal Mine Power Supply System16-17

8Schemes Selecting and Consideration of AC Speed Regulating System for Electric Locomotive Used in Coal Mine17-19

9Realization of Information Transmission and Packet Switching Based on DSP in ISDN of Coal Mine Underground20-22

10Designing Method of Multi-parameter Monitoring and Control System Based on PLC23-24

11Design of Selecting System of Type for Master Ventilation in Coal Mine24-27

12Realization of the Digital Triggering Device of Three-phase Inverter by Thyristor27-29

13A New Type of Dialing Supervisor30-32

14Development of Multi-level Control System for Pressure in Air Collector32-34

15Application of Frequency Converter in Air Compressor34-35

16Inprovement of Model KF1016 Mine Used Multiplex UPS and Its Application36-37

17A Microcomputer Control System for Quenching by Plasma37-39

18Network Examination System Based on B/S Mode39-41

19Stated of Several Important Parameters in Frequency Converter42-43

20Development of Full Digit Monitor about Distance-Speed for Mine Hoist43-45