Automatic Haulage Truck (AHT) expert system

Abstract
Inco's Automated Haulage Truck System (AHT) is a revolutionary automatic guided vehicle that performs all load, haul and dump operations without human intervention. The high level of sophistication and the short period it has been in operation has only allowed a select few Inco personnel to become familiar with the AHT operation and maintenance. As an aid to operations an expert system using the knowledge gained from the experienced specialists was implemented in the field.
The AHT operating and maintenance assistance expert system will reason through the information given, arrive at conclusions and give advice to operations, technical and management personnel. It will provide comprehensive real-time troubleshooting assistance for the hydraulic, electrical and mechanical subsystems of the AHT. The AHT expert system has many benefits to Inco which include increased skill levels of AHT operations and maintenance personnel, reduction in AHT downtime, standardization of troubleshooting procedures and reduction in AHT operating and maintenance costs. In the future, the expert system application will be linked to SCADA (Supervisory Control and Data Acquisition), maintenance and statistical software to display current and historical trends of variables from a centralized historical database. As well, a wide variety of features will be integrated into the system including AutoCad drawings, graphics, photographs, voice and video capabilities.
Keywords: Computer applications, Expert systems, Automated Haulage Truck system (AHT).
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Publication: CIM Bulletin
Author(s): Phil A. Keele
Keywords: Coal operations, Cost control, Management, Fording Coal, Genesee operations.
Issue: 976
Volume: 87
Year: 1994
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Summary: Different forms of corrosion, the various corrosive environments encountered, the mining equipment subject to corrosion and the methods to control corrosion in the mining industry are briefly reviewed along with the savings that could be achieved by corrosion control.
Publication: CIM Bulletin
Author(s): V.S. Sastri, G.R. Hoey, R.W. Revie
Keywords: Metallurgy, Corrosion, Equipment
Issue: 976
Volume: 87
Year: 1994
Text
Summary: The Canadian tax treatment of mining operations outside Canada is not as attractive as the treatment of Canadian operations. Further, the Canadian company that invests abroad faces a host of complex rules. This month, Tax Notes examines some of the major Canadian tax considerations confronting the Canadian company that wants to invest abroad.
Publication: CIM Bulletin
Author(s): Robert B. Parsons
Issue: 976
Volume: 87
Year: 1994
Text
Summary: This paper presents a study developed to assess the potential use of salt tailings as backfill to control surface subsidence and as a mine bulkhead used to isolate areas of potential brine inflows. A series of index tests, centrifuge model tests and quasi-static creep-consolidation tests were performed to evaluate the creep and consolidation properties of salt backfill and to evaluate the effect of brine inflow and brine infiltration on backfill behaviour. The centrifuge models were specifica...
Publication: CIM Bulletin
Author(s): Euler M. De Souza
Keywords: Rock mechanics, Salt tailings, Brine inflow, Backfill.
Issue: 976
Volume: 87
Year: 1994
Text
Summary: A growing environmental awareness has prompted the mineral industry to seek innovations in waste management and technology. It is estimated that over 500 million metric tonnes of solid waste each year are rejected by the Canadian mineral industry. This waste has to be disposed of in the most environmentally and economically acceptable manner.
An extensive study has been conducted to estimate the cost of implementing total tailings fill from a waste disposal point-of-view as an alternative to...
Publication: CIM Bulletin
Author(s): F.P. Hassani, M. Hossein, P. Newman, D. Bois
Keywords: Rock mechanics, Tailings disposal, Waste management.
Issue: 976
Volume: 87
Year: 1994
Text
Summary: Laboratory and trial installations have been completed to determine the potential of composite cable bolt reinforcement in Canadian underground mines. Several prototypes of glass fibre cable bolts have been developed and tested, two of which are currently available to the mining industry. Their evaluation consisted of lab testing in Canada and the United States, along with trial installations in several underground mines throughout Canada. The objective was to develop a cost competitive...
Publication: CIM Bulletin
Author(s): R. Pakalnis, D.A. Peterson, G. Peter Mah
Keywords: Rock mechanics, Cable bolting, Glass fibre cables, Underground mining.
Issue: 976
Volume: 87
Year: 1994
Text
Summary: Inco's Little Stobie Mine is a low-grade nickel operation producing approximately 4000 tons per day. Backfill has never been an economical option at the mine; therefore, the only viable type of mining in the upper zones has been by sub-level cave. This mining method allows for the draw-down of a rock cover into the empty slopes to provide stability to the over-all rock mass. In the lower areas of the mine, bulk blasthole mining methods have taken place, without rock fill, resulting in...
Publication: CIM Bulletin
Author(s): S. Espley, G. Tan
Keywords: Rock mechanics, Inco Limited, Little Stobie Mine, Rock failure, Numerical modelling, Blast designs.
Issue: 976
Volume: 87
Year: 1994
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