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• Application of Linear Motors in Mechatronic Devices

  1-4.

  László Gogolák

  Igor Fürstner

  Dániel Nyitri

  Views:

  108

  Nowadays linear motion can be achieved in many different ways, traditional and new. Based on this, it is of great importance to know the advantages and disadvantages of different technologies in use. In this paper, traditional pneumatic and mechanical linear actuators are compared with the new linear motor technologies, which are used in mechatronic devices. Differences between various linear actuator types are studied, and a discussion is presented regarding their characteristics.

• Adaptive Backstepping Controller of PMLSM

  1-6.

  Maamar Yahiaoui

  I. Kh. Bousserhane

  Y. Saidi

  M. Serraoui

  Views:

  297

  In this paper, a nonlinear adaptive speed controller for permanent magnet linear synchronous motors based on a newly developed adaptive recursive Backstepping control approach for a permanent magnet synchronous motor drive is discussed and analyzed. The Backstepping technique provides a systematic method to address this type of problem. It combines the notion of Lyapunov function and a controller procedure recursively.  The adaptive Backstepping control approach is utilized to obtain the robustness for mismatched parameter uncertainties. The overall stability of the system is shown using Lyapunov stability theorem. The simulation results clearly show that the proposed scheme can track the speed reference.