Jiri Hajovsky

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This paper deals with the description of pilot operational work of the system for heat energy collection from thermally active mining dump Hedvika. It describes particular technologies for heat collection including the system for use of the gathered heat energy in the form of hot water. It also describes the measurement system that monitors thermal activity(More)
The paper is focused on the measurement and use of thermal processes at old mining dumps. It describes the causes of occurrence of thermal processes, including their negative impacts. It also describes technology of heat collection. Much of the paper is devoted to a description of the pilot projects that deal with collection and subsequent use of the heat(More)
The paper introduces software tools that are suitable for control algorithms development of modern electrical drives. Time consuming control algorithms require for their implementation modern digital signal processors which include also the digital signal processor TMS320F28335. The first part of the paper describes DSP communication which is done through(More)
The paper presents a sensorless control method for a switched reluctance motor. The sensorless control method is based on the utilization of the Luenberger observer. It is suitable for medium and high rotor speeds of the switched reluctance motor. At first, the mathematical model describing the behavior of the machine is performed using a system of(More)
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