Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Robert Czerwinski"'
Autor:
Marcin Kubica, Robert Czerwinski
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8604 (2024)
The logic structures implemented in Field Programmable Gate Arrays (FPGAs) are often critical and their correct operation is vital. FPGA devices are often used in areas where there is increased ionising radiation (space, medical diagnostics, aviation
Externí odkaz:
https://doaj.org/article/e0d5a48f86c94c93b7799943a097ecba
Autor:
Rafal Kimla, Robert Czerwinski
Publikováno v:
Applied Sciences, Vol 12, Iss 19, p 10016 (2022)
Functional exploratory testing is often considered a time- and resource-consuming activity, especially within embedded systems testing. The purpose of this paper is to present a case study of functional exploratory testing that demonstrates it to be
Externí odkaz:
https://doaj.org/article/22e7d18598e04761bd35003dc3352b5d
Publikováno v:
Applied Sciences, Vol 11, Iss 21, p 10183 (2021)
The article discusses counters defined in the IEC 61131-3 standard. The possible implementations of standard counters function blocks in FPGAs are presented. First, counters are implemented as classical hardware-based modules. Second, counters are de
Externí odkaz:
https://doaj.org/article/78b598c90b95431c88c62d8ff0c0a080
Autor:
Szymon Sarna, Robert Czerwinski
Publikováno v:
Electronics; Volume 11; Issue 1; Pages: 95
Electronics, Vol 11, Iss 95, p 95 (2022)
Electronics, Vol 11, Iss 95, p 95 (2022)
One-time password algorithms are widely used in digital services to improve security. However, many such solutions use a constant secret key to encrypt (process) one-time plaintexts. A paradigm shift from constant to one-time keys could introduce tan
Autor:
Robert Czerwinski, Szymon Sarna
Publikováno v:
INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING ICCMSE 2020.
Modular inversion is a crucial operation for performance and security of the public key cryptography. Unfortunately its use cases in the most popular algorithms like ECC and RSA are a bit different. It makes development of universal system/ algorithm
Autor:
Robert Czerwinski, Miroslaw Chmiel
Publikováno v:
Electronics
Volume 8
Issue 12
Volume 8
Issue 12
This article discusses edge detectors implemented in programmable logic controllers. The behaviors of different vendors&rsquo
solutions are presented with pros and cons. The trigger functions defined in the IEC 61131-3 standard were analyzed for
solutions are presented with pros and cons. The trigger functions defined in the IEC 61131-3 standard were analyzed for
Publikováno v:
COMPEL - The international journal for computation and mathematics in electrical and electronic engineering. 37:307-318
Purpose This paper aims to present the impact of Pulse Width Modulation (PWM) control frequency for specific Permanent Magnet Synchronous Motors (PMSMs) on the efficiency of the entire driving unit. Examinations were carried out for a PMSM unit with
Publikováno v:
Microprocessors and Microsystems. 44:28-37
The paper discusses the design process of a programmable logic controller implemented by means of an FPGA device. The PLC implements on the machine language level a subset of the instruction set defined in the EN 61131-3 norm. Different aspects of in
Autor:
Dariusz Kania, Robert Czerwinski
Publikováno v:
ACM Transactions on Design Automation of Electronic Systems. 22:1-25
The logic synthesis of ultra-high-speed FSMs is presented. The state assignment is based on a well-known method that uses output vectors. This technique is adjusted to include elements of two-level minimization and takes into account the limited numb
Publikováno v:
IFAC-PapersOnLine. 49:454-459
The article discusses the design process of the central processing unit (CPU) for programmable logic controllers. On the one hand the designed CPU is compatible with IEC 61131-3 standard. On the other hand, the authors attempt to reflect on the possi