Design of an automated grinding media charging system for ball mills
- Rupare, W.F., Nyanga, L., Van der Merwe, A.F., Matope, S., Mhlanga, S.
- Authors: Rupare, W.F. , Nyanga, L. , Van der Merwe, A.F. , Matope, S. , Mhlanga, S.
- Date: 2013
- Subjects: Mill load , Grinding production ratio
- Type: Article
- Identifier: uj:4919 , http://hdl.handle.net/10210/13019
- Description: The parameters of mill load (ML) not only represent the load of the ball mill, but also determine the grinding production ratio (GPR) of the grinding process. Monitoring and recognition of milling conditions have significant effect on the operating efficiency, product quality, and energy and grinding media consumption for the milling circuit. This paper presents an automated grinding media charging system incorporating a multi-agent system developed in Java Agent Development Environment (JADE). A control logix program is designed to determine the precise quantities of grinding media to be charged in an incremental manner such that shock loading is avoided. The multi-agent system created in JADE monitors the power drawn and the mill load of the ball mill such that proper charging conditions are established. High quality of the regulation process is achieved through utilization of the control logix and the multi-agent system.
- Full Text:
- Authors: Rupare, W.F. , Nyanga, L. , Van der Merwe, A.F. , Matope, S. , Mhlanga, S.
- Date: 2013
- Subjects: Mill load , Grinding production ratio
- Type: Article
- Identifier: uj:4919 , http://hdl.handle.net/10210/13019
- Description: The parameters of mill load (ML) not only represent the load of the ball mill, but also determine the grinding production ratio (GPR) of the grinding process. Monitoring and recognition of milling conditions have significant effect on the operating efficiency, product quality, and energy and grinding media consumption for the milling circuit. This paper presents an automated grinding media charging system incorporating a multi-agent system developed in Java Agent Development Environment (JADE). A control logix program is designed to determine the precise quantities of grinding media to be charged in an incremental manner such that shock loading is avoided. The multi-agent system created in JADE monitors the power drawn and the mill load of the ball mill such that proper charging conditions are established. High quality of the regulation process is achieved through utilization of the control logix and the multi-agent system.
- Full Text:
Development of a resource agent for an e-manufacturing system
- Nyanga, L., Vlok, P.J., Mutingi, M., Matope, S., Van der Merwe, A.F.
- Authors: Nyanga, L. , Vlok, P.J. , Mutingi, M. , Matope, S. , Van der Merwe, A.F.
- Date: 2013
- Subjects: Distributed manufacturing systems , Maintenance free operation period (MFOP) method , e-Manufacturing , Maintenance free operation period method
- Type: Article
- Identifier: uj:4952 , http://hdl.handle.net/10210/13052
- Description: Due to globalisation and distributed manufacturing systems the development and manufacture of products is no longer an isolated activity undertaken by either one discipline or a single organization but has become a global process. Using e-manufacturing companies can now outsource to manufacturers outside their geographical area and make them dependent on the production capabilities and responsiveness of the suppliers. Hence there is need for the suppliers to provide reliable information on the state of the orders being processed. E-manufacturing promises companies to exchange the required information with their suppliers by increased visibility to the shop floor and providing a platform for information interchange. The paper discusses the development of an e-manufacturing resource agent to enable manufactures to predict the probability of their outsourced machinery being available and the probability to complete an order without having a breakdown. The Maintenance Free Operation Period (MFOP) method is used to develop the agent. This means that the manufacturer will be expected to have a guarantee that no unscheduled maintenance activities will occur during each defined period of operation with the predefined level of confidence.
- Full Text:
- Authors: Nyanga, L. , Vlok, P.J. , Mutingi, M. , Matope, S. , Van der Merwe, A.F.
- Date: 2013
- Subjects: Distributed manufacturing systems , Maintenance free operation period (MFOP) method , e-Manufacturing , Maintenance free operation period method
- Type: Article
- Identifier: uj:4952 , http://hdl.handle.net/10210/13052
- Description: Due to globalisation and distributed manufacturing systems the development and manufacture of products is no longer an isolated activity undertaken by either one discipline or a single organization but has become a global process. Using e-manufacturing companies can now outsource to manufacturers outside their geographical area and make them dependent on the production capabilities and responsiveness of the suppliers. Hence there is need for the suppliers to provide reliable information on the state of the orders being processed. E-manufacturing promises companies to exchange the required information with their suppliers by increased visibility to the shop floor and providing a platform for information interchange. The paper discusses the development of an e-manufacturing resource agent to enable manufactures to predict the probability of their outsourced machinery being available and the probability to complete an order without having a breakdown. The Maintenance Free Operation Period (MFOP) method is used to develop the agent. This means that the manufacturer will be expected to have a guarantee that no unscheduled maintenance activities will occur during each defined period of operation with the predefined level of confidence.
- Full Text:
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