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Vertical Forces Acting on the Lock‑Off Element of the Pallet Brake System

Hrabovský Leopold, Mlčák Tomáš

Advances in Science and Technology. Research Journal

2020

Vol. 14, no 1

107--117

The paper presents an experimental device that was created in order to obtain the real values of the forces acting in the vertical direction on the lock‑off element, the so‑called brake body, the 2nd design option. The lock of this design is used in the automated parking garage, designed by KOMA – Industry, s.r.o, to lock the parked vehicles on pallets in the units of the rack parking system. The forces acting in the vertical direction on the body of the fixation lock when pushing the brake pulley into the circular recess in the brake ramp are theoretically calculated for two design variants of the brake ramp used in practice, i.e. “without” and “with” a rounded (filleted) circular recess segment in the brake ramp. The experimentally determined forces acting in the vertical direction on the brake body were determined for two types of compression coil springs with a rectangular cross section of the spring wire.

Electrostatic microactuators for precise positioning and comparison of their parameters

Štarman V., Kacerovský J., Jansa J., Karban P., Doležel I.

Computer Applications in Electrical Engineering

2013

Vol. 11

122--127

Comparison of several types of electrostatic microactuators is carried out, particularly with respect to their resultant force effects. The continuous mathematical model of such actuators is mostly described by the Laplace equation. In this paper, its numerical solution is performed by a fully adaptive higher-order finite element method, using a code developed by the authors. The methodology is illustrated with typical examples whose results are discussed.