Search Results - "KEMPA, M."

Analytical Model of a Wireless Sensor Network (WSN) Node Operation with a Modified Threshold-Type Energy Saving Mechanism by Kempa, Wojciech M

“…In this article, a model of the operation of a wireless sensor network (WSN) node with an energy saving mechanism based on a threshold-controlled multiple…”
Get full text

Probabilistic Analysis of a Buffer Overflow Duration in Data Transmission in Wireless Sensor Networks by Kempa, Wojciech M.

“…One of the most important problems of data transmission in packet networks, in particular in wireless sensor networks, are periodic overflows of buffers…”
Get full text

On Transient Queue-Size Distribution in a Model of WSN Node with Threshold-Type Power-Saving Algorithm by Kempa, Wojciech M, Kurzyk, Dariusz

“…This article proposes a queueing model of the operation of a wireless sensor network node, in which a threshold strategy for starting the node after a period…”
Get full text

Transient Behavior of a Queueing Model with Hyper-Exponentially Distributed Processing Times and Finite Buffer Capacity by Kempa, Wojciech M, Paprocka, Iwona

“…In the paper, a finite-capacity queueing model is considered in which jobs arrive according to a Poisson process and are being served according to…”
Get full text

Model of Production System Evaluation with the Influence of FDM Machine Reliability and Process-Dependent Product Quality by Paprocka, Iwona, Kempa, Wojciech M.

“…This paper investigates the Job Shop Scheduling Problem (JSSP) with FDM (Fused Deposition Modeling) machine unavailability constraints due to Predictive…”
Get full text

Queue-Size Distribution in a Discrete-Time Finite-Capacity Model with a Single Vacation Mechanism by Kempa, Wojciech M.

“…In the paper a finite-capacity discrete-time queueing system with geometric interarrival times and generally distributed processing times is studied. Every…”
Get full text

Analysis of Non-Steady Queue-Length Distribution in a Finite-Buffer Model with Group Arrivals and Power Saving Mechanism with Setups by Kempa, Wojciech M., Kurzyk, Dariusz

“…In the manuscript, a probability distribution of the queue length is studied in a model with group Markov arrivals, arbitrarily distributed service times and…”
Get full text

A Discrete-Time Queueing Model of a Bottleneck with an Energy-Saving Mechanism Based on Setup and Shutdown Times by Kempa, Wojciech M., Paprocka, Iwona

“…Producers are encouraged to reduce their energy consumption of manufacturing systems by applying less-energy-intensive modern technologies and advanced machine…”
Get full text

Predictive Maintenance Scheduling with Failure Rate Described by Truncated Normal Distribution by Paprocka, Iwona, Kempa, Wojciech M, Ćwikła, Grzegorz

“…The method of risk assessment and planning of technical inspections of machines and optimization of production tasks is the main focus of this study. Any…”
Get full text

Intelligent Method of Identifying the Nonlinear Dynamic Model for Helicopter Turboshaft Engines by Vladov, Serhii, Banasik, Arkadiusz, Sachenko, Anatoliy, Kempa, Wojciech M, Sokurenko, Valerii, Muzychuk, Oleksandr, Pikiewicz, Piotr, Molga, Agnieszka, Vysotska, Victoria

“…This research focused on the helicopter turboshaft engine dynamic model, identifying task solving in unsteady and transient modes (engine starting and…”
Get full text

Enhancement of microwave fields in pulse EPR of quantum paraelectrics by Laguta, V., Bovtun, V., Kempa, M., Laguta, O., Neugebauer, P., Šimėnas, M., Banys, J., Kamba, S.

“…The pulse electron paramagnetic resonance (EPR) is widely used in different branches of material and life sciences, including promising applications in quantum…”
Get full text

Study on Transient Queue-Size Distribution in the Finite-Buffer Model with Batch Arrivals and Multiple Vacation Policy by Kempa, Wojciech M., Marjasz, Rafał

“…The transient behavior of the finite-buffer queueing model with batch arrivals and generally distributed repeated vacations is analyzed. Such a system has…”
Get full text

ON TIME-TO-BUFFER OVERFLOW DISTRIBUTION IN A SINGLE-MACHINE DISCRETE-TIME SYSTEM WITH FINITE CAPACITY by Kempa, Wojciech M.

“…A model of a single-machine production system with finite magazine capacity is investigated. The input flow of jobs is organized according to geometric…”
Get full text

Queueing Systems with Random Volume Customers and a Sectorized Unlimited Memory Buffer by Tikhonenko, Oleg, Ziółkowski, Marcin, Kempa, Wojciech M.

“…In the present paper, we concentrate on basic concepts connected with the theory of queueing systems with random volume customers and a sectorized unlimited…”
Get full text

Efficient Management of Material Resources in Low-Carbon Construction by Mykytyuk, Petro, Brych, Vasyl, Manzhula, Volodymyr, Borysiak, Olena, Sachenko, Anatoliy, Banasik, Arkadiusz, Kempa, Wojciech M., Mykytyuk, Yuliia, Czupryna-Nowak, Aleksandra, Lebid, Iryna

“…The sustainable implementation of resources and the transition to low-carbon construction is on the world’s daily agenda. This paper describes the development…”
Get full text

Performance evaluation of an M/G/n-type queue with bounded capacity and packet dropping by Tikhonenko, Oleg, Kempa, Wojciech M.

“…A queueing system of the M/G/n-type, n ≥ 1, with a bounded total volume is considered. It is assumed that the volumes of the arriving packets are generally…”
Get full text

Fast polarization mechanisms in the uniaxial tungsten-bronze relaxor strontium barium niobate SBN-81 by Buixaderas, E., Kadlec, C., Kempa, M., Bovtun, V., Savinov, M., Bednyakov, P., Hlinka, J., Dec, J.

“…The high-frequency dielectric response of the uniaxial strontium barium niobate crystals with 81% of Sr has been studied from 1 kHz to 30 THz along the polar c…”
Get full text

Love-wave devices with continuous and discrete nanocrystalline diamond coating for biosensing applications by Drbohlavová, L., Fekete, L., Bovtun, V., Kempa, M., Taylor, A., Liu, Y., Bou Matar, O., Talbi, A., Mortet, V.

“…[Display omitted] •Love-wave surface acoustic wave devices were successfully coated by nano-crystalline diamond layers grown at low temperature.•Coalesced…”
Get full text

Dynamics of nanoscale polarization fluctuations in a uniaxial relaxor by Ondrejkovic, P, Kempa, M, Kulda, J, Frick, B, Appel, M, Combet, J, Dec, J, Lukasiewicz, T, Hlinka, J

“…We have studied neutron diffuse scattering in a Sr(0.61)Ba(0.39)Nb(2)O(6) single crystal by neutron backscattering at sub-μeV energy resolution. We can…”
Get full text

On Time-Dependent Queue-Size Distribution in a Model With Finite Buffer Capacity and Deterministic Multiple Vacations With Applications to LTE DRX Mechanism Modeling by Kempa, Wojciech M., Ksiazek, Kamil, Marjasz, Rafal

“…A finite-capacity queueing model with the arrival stream of messages governed by the compound Poisson process and generally-distributed processing times is…”
Get full text