Nothing Special   »   [go: up one dir, main page]

Wang et al., 1992 - Google Patents

Modeling and adaptive control of EDM systems

Wang et al., 1992

Document ID
13121357467269111258
Author
Wang W
Rajurkar K
Publication year
Publication venue
Journal of Manufacturing Systems

External Links

Snippet

This paper theoretically and experimentally analyzes an existing electrical discharge machine (EDM) servo mechanism and describes modeling of the EDM process. A new EDM servo controller, the self-tuning regulator with P1 control, has been proposed. In this control …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B23H7/08—Wire electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/16—Electric circuits specially adapted therefor, e.g. power supply for preventing short circuits or other abnormal discharges by altering machining parameters using adaptive control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/18—Electric circuits specially adapted therefor, e.g. power supply for maintaining or controlling the desired spacing between electrode and workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode

Similar Documents

Publication Publication Date Title
Wang et al. Modeling and adaptive control of EDM systems
Huang et al. Optimization of machining parameters of wire-EDM based on grey relational and statistical analyses
Liao et al. A study on the machining-parameters optimization of wire electrical discharge machining
Ulsoy et al. Control of machining processes
US6850874B1 (en) Method and apparatus for predicting a characteristic of a product attribute formed by a machining process using a model of the process
Yan et al. Adaptive control of the WEDM process using the fuzzy control strategy
EP1342534A2 (en) Tool abnormality detecting device
CA1315406C (en) Artificial intelligence for adaptive machining control of surface finish
Ulsoy et al. Applications of adaptive control to machine tool process control
Rajurkar et al. Improvement of EDM performance with advanced monitoring and control systems
Rajurkar et al. Real-time stochastic model and control of EDM
Esme et al. Prediction of surface roughness in wire electrical discharge machining using design of experiments and neural networks
Rajurkar et al. WEDM identification and adaptive control for variable-height components
US5117083A (en) Jump control system for an electric discharge machine
Wang et al. Digital gap monitor and adaptive integral control for auto-jumping in EDM
Liao et al. Design of a fuzzy controller for the adaptive control of WEDM process
Furness et al. Torque control for a form tool drilling operation
KR20010087302A (en) Method and system for adaptive control of turning operations
Jiang et al. Adaptive control for small-hole EDM process with wavelet transform detecting method
Yan An adaptive control system with self-organizing fuzzy sliding mode control strategy for micro wire-EDM machines
Behrens et al. Neuro-fuzzy process control system for sinking EDM
Tseng A systematic approach to the adaptive control of the electro-discharge machining process
Fang et al. Monitoring groove wear development in cutting tools via stochastic modelling of three-dimensional vibrations
Cus et al. Adaptive self-learning controller design for feedrate maximisation of machining process
Pandit et al. A data-dependent systems approach to optimal microcomputer control illustrated by EDM