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Návrh řídicí aplikace s využitím Processor Expert blocksetu
Stružka, P. ; Waszniowski, L. ; Bartosinski, Roman ; Bysterský, T.
This paper describes design of a controller of the brushless DC motor using Processor Expert blockset in Mathworks Simulink. The controller algorithm is designed in Simulink and the Processor Expert blockset provides access to the microcontroller hardware through its Hardware Abstraction Layer. The behavior of the controller (including the peripherals represented by Processor Expert blocks) is verified by simulation. The Real-Time Workshop is used for the C source code generation from the controller model.
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Simulace hardwarových periferií MCU
Bartosinski, Roman ; Kadlec, Jiří
This paper describes one possible way, how MCU hardware peripherals (e.g. PWMs, Timers, ADCs, etc.) can be simulated in Matlab/Simulink environment and how code controlling these peripherals can be generated. The described implementation of the MCU hardware peripherals is based on using function call outputs as peripheral interrupts and external blocks called Methods as peripheral control functions. In the generated code by Real-Time Workshop, the Method block is represented by directly called corresponding function of the used periphery.
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Simulation and Evaluation of the UHMWPE Surface Wear
Franta, L. ; Jeníková, Z. ; Sieber, D. ; Synková, Hana ; Pražák, Josef ; Suchánek, J.
The goal of this research project is to increase the lifetime of total knee joint replacement. Therefore the “In vitro“ simulation of realistic physiological conditions is important. For the knee joint replacement experiments, a KKK ELO 98001 simulator is used. The simulator enables the combination of rolling and sliding motion of replacement components with sinusoidal loading. During the experiment, a considerable amount of wear particles of the UHMWPE component is produced and the friction surfaces are irreversibly changed. Initially, the irregularities of tibia component are smoothed. Consequently, large amounts of UHMWPE wear are released. The surface changes of specimens were evaluated.
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