Robust Control using Sliding Mode Approach for Ice-Clamping Device activated by Thermoelectric Coolers

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By virtue of high quality standards, work holding devices play an important role in machining processes. Especially thin-walled and fragile parts in the micro manufacturing, but also free formed and irregular shapes in the macro manufacturing are difficult to clamp without deforming. In order to face these challenges an innovative adhesive technique is introduced and investigated in this paper: clamping with ice. In order to investigate the forces of ice-clamping, experiments were carried out and the results are shown and discussed in this paper. Analogous to mechanical force-fitted clamping jaws a definition of clamping and holding forces is introduced. Moreover, the design of a Sliding Mode controller, based on Lyapunov's approach, is proposed such that temperature disturbances caused from the machining process, like e.g. thermal energy of milling, are reduced.

Original languageEnglish
JournalIFAC-PapersOnLine
Volume49
Issue number25
Pages (from-to)470-475
Number of pages6
ISSN2405-8971
DOIs
Publication statusPublished - 2016

Bibliographical note

14th IFAC Conference on Programmable Devices and Embedded Systems PDES 2016 — Brno, Czech Republic, 5—7 October 2016

    Research areas

  • deformation-free, Ice-clamping, lyapunov, sliding mode control, temperature control, thermoelectric cooler, workholding device
  • Engineering

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