发明名称 Linear, inductance based control of regulated electrical properties in a switch mode power supply of a thermal processing system
摘要 A method and apparatus is featured for providing linear control of a regulated electrical property (e.g., current or voltage) in a switch mode power supply of a thermal processing system that includes an inductive element and at least one switching element. The method and apparatus feature structure, or steps, for generating a nonlinear model that predict values for a regulated electrical property of the inductive element based on a given duty cycle of the at least one switching element and structure, or steps, for generating a nonlinear model that determines a duty cycle for the at least one switching element based on the nonlinear predictive model for the regulated electrical property, the nonlinear model determining the duty cycle such that a linear relationship results between the regulated electrical property and a selected value. A method and apparatus is also featured for providing cross regulation between pre-regulator and post-regulator power stages of a switch mode power supply of a thermal processing system.
申请公布号 US2008084721(A1) 申请公布日期 2008.04.10
申请号 US20060602046 申请日期 2006.11.20
申请人 HYPERTHERM, INC. 发明人 MIRAMONTI JOHN;KAMATH GIRISH R.
分类号 H02M7/04 主分类号 H02M7/04
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