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|The WESTFALIA group of companies developer and manufactures underground mining machinery for complete high-performance longwalls. WESTFALIA uses a state of the art electrohydraulic system as the most important component for the realisation of today's fully automated plow or shearer longwall. The shield control unit (SCU) allows maximum custom designed software flexiblity as well as maximum hardware reliability. The master control unit (MCU) monitors shield support data as well as the plow/shearer position. By using an industry standard PC in an explosion-proof box with an intransically safe keyboard nearly unlimited software capabilities can be obtained with inexpensive hardware. Among various other modes of operation this MCU allows the monitoring and recording of data which can be transmitted to a surface computer. Production and operational adjustments can be made by the mine management based on the MCU information. Statistical analysis of the distribution of roof pressure under various conditions is also possible. The WESTFALIA automation system PM-4 gives the operator maximum flexibility and helps the mine management to run their longwall more efficiently and safely.|
Additional chapters/articles from the SME-ICGCM book Proceedings of 13th International Conference on Ground Control in Mining
|Cable Bolting - Potential Applications For Variable Strata C||Evaluation Of Support Performance In A Highly Stressed Mine||Operational Experience With FLEXIBOLT Systems In Australian||Roofbolting In The Cape Breton Development Corporation'||Some Factors Influencing Stability Of Longwall Gateroad||Design Of Roadway Support Using A Strain Softening Model||Automation Of A Progressive Failure Procedure For Analysis O||The Massive Collapse Of Coal Pillars - Case Histories From T||Time Dependent Strength Of Coal Strata For Long-Term Pillar||Yield Pillar Behavior At Jim Walter No. 7 Mine Stress And St||A Comparison Of Overburden Response Due To Longwall Mining||Longwall Ground Behavior Characteristics In The Illinois Coa||Cavability Study Of A Competent Roof - A Case Study||Roof Pressure Monitoring Using The Integrated Longwalt Autom||Longwall Production, Maintenance, And Roof Control System||The Design And Selection Of Powered Supports For Application||Tailgate Support Practice In U.S. Longwall Mines - A Survey||Influence Of Support Capacity And Geometry On Tailgate Suppo||Innovative Concept In Tailgate Entry Support: Elimination Of||Resin-Grouted Cables For Longwall Tailgate Support Stability||Tailgate Roadway Convergence: A Key Indicator Of Potential G||Assessment Of Wood And Alternative Materials For Supplementa||Experience With The Boundary Element Method Of Numerical Mod||The Fault At The End Of The Tunnel||Microseismic Monitoring In The Sydney Coalfield||Realistic Design Of Ground Control Based On Geotechnical Dat||Underground High Resolution Seismic Method As A Low Cost Alt||Pillarless Longwall Mining For Multiple Seams||Stable Entry Design In A Multi-Seam Environment||Evaluating Roof Control In Underground Coal Mines With The C||Hazard Mapping Combining Geostatistical Modeling Of Coal Min||Stereological Sampling And Analysis For Characterizing Disco||Determining Horizontal Stress Direction Using The Stress Map||Stability And Stress Evaluation In Mines Using In-Seam Seism||Hydrogeologic Effects Of Subsidence At A Longwall Mine In Th||Monitoring Railroad Response To Mining Subsidence And Assess||Study On The High-Pressure Grouting Of The Overburden For Su|