Dynamic feature modelling for closed-loop machining process control of complex parts

  1. Get@NRC: Dynamic feature modelling for closed-loop machining process control of complex parts (Opens in a new window)
DOIResolve DOI: http://doi.org/10.1080/0951192X.2014.900870
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Journal titleInternational Journal of Computer Integrated Manufacturing
Pages753765; # of pages: 13
SubjectAdaptive control systems; Algorithms; Closed loop control systems; Computer control; Computer control systems; Inspection; Logic circuits; Machining; Machining centers; Monitoring; Quality control; Closed loops; Closed-loop machining; Computer numerical control; Dynamic features; Manufacturing enterprise; Manufacturing resource; Monitoring information; Real-time communication; Process control
AbstractDynamically changing machining conditions and uncertain manufacturing resource availability are forcing manufacturing enterprises to implement advanced process planning and control systems with an adaptive machining information model in order to increase productivity and ensure product quality. This article proposes a dynamic feature modelling method for closed-loop machining process control of complex parts. A software platform is developed to include feature modelling software units with algorithms to represent and integrate geometric, machining, inspection and monitoring information and a service software unit with algorithms to update dynamic feature information and trigger online inspection. A multi-thread execution approach and a finite state machine method are adopted to support the execution and collaboration of multiple algorithms for dynamic feature modelling. A sharing memory approach is utilised for real-time communication between software units and the computer numerical control (CNC) kernel. The dynamic feature model is highly informative and can support autonomous decision-making and bidirectional information flow. By implementing the proposed dynamic feature modelling, a closed-loop process machining control including the integration of process planning, machining, inspection and monitoring for complex parts can be achieved.
Publication date
PublisherTaylor &Francis Group
AffiliationNational Research Council Canada; Construction
Peer reviewedYes
NPARC number21275756
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Record identifier43590cdd-d0cf-4d35-8027-002ecbcfe858
Record created2015-07-14
Record modified2016-05-09
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