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Academic literature on the topic 'Circuit logique programmable sur le terrain'
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Dissertations / Theses on the topic "Circuit logique programmable sur le terrain"
Li, Qian. "Application of artificial neural networks to FPGA-based real-time simulation of power electronic converters." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2023. http://www.theses.fr/2023UBFCA016.
Full textThe significance of real-time simulation in the development and validation ofpower electronic converters, along with their associated controllers in a Hardware-in-the-Loop (HIL) configuration, has been widely acknowledged. Accurate anddetailed model of power switching devices plays a pivotal role in ensuring thesimulation credibility of power electronic converters. However, constructing high-precision real-time switch models poses a particular challenge due to the conflictsbetween the computational complexity arising from the nonlinearity of the switchmodel and the need for a sufficiently small simulation time step, potentially reachingthe nanosecond level.To enhance the accuracy of the power switch model by preserving their nonlinearity to the greatest extent possible while ensuring real-time execution, this thesis focuses on utilizing artificial neural networks (ANNs) for modeling power switching devices, leveraging their inherent advantages in handling nonlinear problems and their parallel network structure that aligns well with field-programmable gate array (FPGA) hardware. In this way, three switch models are proposed, namely ANN-based system-level model, ANN-aided high-resolution quasi-transient model, and ANN-assisted high-fidelity transient model. The first model is developed by incorporating the nonlinearity of power switch static I-V characteristics into the modeling process.Furthermore, in order to accurately determine the device junction temperature, which directly affects the static characteristics, it is essential to calculate the switching losses. For this aim, the second model is proposed, which facilitates the generation of switching transient waveforms with a 5 ns resolution after receiving the system-level simulation outputs. However, the switching transient results obtained from the second model do not directly contribute to the overall improvement of the system-level simulation accuracy. Therefore, the third model is born, which can be seamlessly integrated into the system-level simulation with a time-step of 20 ns, thus enabling the attainment of the highest simulation accuracy along with insights into the switching transient behaviors. The effectiveness and accuracy of the proposed three switch models are tested and validated by applying them to a multi-phase floating interleaved boost converter (FIBC) simulated on the FPGA-based real-time platform
Amoura, Aadil. "Synthese logique sur reseaux programmables de type FPGA et CPLD." Grenoble INPG, 1998. http://www.theses.fr/1998INPG0158.
Full textHadjoudja, Abdelkader. "Macrogénération et prédiction temporelle sur les réseaux programmables CPLD." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0177.
Full textBabba, Belgacem. "Synthèse optimisée sur les réseaux programmables de la famille Xilinx." Phd thesis, Grenoble INPG, 1995. http://tel.archives-ouvertes.fr/tel-00346062.
Full textMakni, Mariem. "Un framework haut niveau pour l'estimation du temps d'exécution, des ressources matérielles et de la consommation d'énergie dans les accélérateurs à base de FPGA." Thesis, Valenciennes, 2018. http://www.theses.fr/2018VALE0042.
Full textIn recent years, the complexity of system-on-chip (SoC) designs has been dramatically increased. As a result, the increased demands for high performance and minimal power/area costs for embedded streaming applications need to find new emerged architectures. The trend towards FPGA-based accelerators is giving a great potential of computational power and performance required for diverse applications. The advantages of such architectures result from many sources. The most important advantage stems from more efficient adaptation to the various application needs. In fact, many compute-intensive applications demand different levels of processing capabilities and energy consumption trade-offs which may be satisfied by using FPGA-based accelerators. Current researches in performance, area and power analysis rely on register-transfer level (RTL) based synthesis flows to produce accurate estimates. However, complex hardware programming model (Verilog or VHDL) makes FPGA development a time-consuming process even as the time-to-market constraints continue to tighten. Such techniques not only require advanced hardware expertise and time but are also difficult to use, making large design space exploration and time-to-market costly. High-Level Synthesis (HLS) technology has been emerged in the last few years as a solution to address these problems and managing design complexity at a more abstract level. This technique aims to bridge the gap between the traditional RTL design process and the ever-increasing complexity of applications. The important advantage of HLS tools is the ability to automatically generate RTL implementations from high-level specifications (e.g., C/C++/SystemC). The HLS tools provide various optimization pragmas such as loop unrolling, loop pipelining, dataflow, array partitioning, etc. Unfortunately, the large design space resulting from the various combinations of pragmas makes exhaustive design space exploration prohibitively time-consuming with HLS tools. In addition, to thoroughly evaluate such architectures, designers must perform large design space exploration to understand the tradeoffs across the entire system, which is currently infeasible due to the lack of a fast simulation infrastructure for FPGA-based accelerators. Hence, there is a clear need for a pre-RTL and high-level framework to enable rapid design space exploration for FPGA-based accelerators