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Journal articles on the topic 'Synchronous Dynamic RAM'

Author: Grafiati

Published: 3 June 2025

Last updated: 19 July 2025

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1

Mandavi, Katare*1 &. Ass. Pro. Ankit Chouhan2. "A REVIWE ARTICLE OF SDRAM DESIGN WITH NECESSORY CRITERIA OF DDR CONTROLLER." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 6 (2017): 333–37. https://doi.org/10.5281/zenodo.809195.

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Double Data Rate Synchronous DRAM (DDR SDRAM) has become a mainstream memory of choice in design due to its speed, burst access and pipeline features. The DDR SDRAM is an enhancement to the conventional SDRAM running at bus speed over 75MHz. The DDR SDRAM (referred to as DDR) doubles the bandwidth of the memory by transferring data twice per cycle on both the rising and falling edges of the clock signal. The designed DDR Controller supports data width of 64 bits, Burst Length of 4 and CAS (Column Address Strobe) latency of 2. DDR Controller provides a synchronous command interface to the DDR S

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Sowmya, K. B., and P. Gagana. "A system verilog approach for verification of memory controller." International Journal of Reconfigurable and Embedded Systems 9, no. 2 (2020): 153–57. https://doi.org/10.11591/ijres.v9.i2.pp153-157.

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Memory performance has become the major bottleneck to improve the overall performance of the computer system. By using memory controller, there is effective control of data between processor and memory. In this paper, a memory controller for interfacing Synchronous Static Random Access Memory (SSRAM), Synchronous Dynamic Random Access Memory (SDRAM), Read Only Memory (ROM) and FLASH which is Electrically Erasable Programmable Read-Only Memory is designed and a coverage driven Constraint random verification environment is built for the designed memory controller. Verification plays an important

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Dang, Binh, Minh Bui, Nguyen Trinh Vu Dang, and Linh Tran. "Parameterized SDRAM-based content-addressable memory on field programmable gate array." Indonesian Journal of Electrical Engineering and Computer Science 31, no. 2 (2023): 669. http://dx.doi.org/10.11591/ijeecs.v31.i2.pp669-680.

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Contents-addressable memory (CAM) is a special memory that searches the input data with the entire pre-loaded database and generates corresponding address information. CAMs are advancing to be a core technology in computer networking systems. As field programmable gate array (FPGA) is recently being used for network acceleration applications, the demand to integrate CAM on FPGA is increasing. FPGA-based CAMs are divided into three categories of implementation: register-based, block RAM (BRAM)-based, and distributed RAM-based CAM. However, they come with a cost of excessive resource usage. Besi

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Binh, Dang, Bui Minh, Trinh Vu Dang Nguyen, and Tran Linh. "Parameterized SDRAM-based content-addressable memory on field programmable gate array." Parameterized SDRAM-based content-addressable memory on field programmable gate array 31, no. 2 (2023): 669–80. https://doi.org/10.11591/ijeecs.v31.i2.pp669-680.

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Contents-addressable memory (CAM) is a special memory that searches the input data with the entire pre-loaded database and generates corresponding address information. CAMs are advancing to be a core technology in computer networking systems. As field programmable gate array (FPGA) is recently being used for network acceleration applications, the demand to integrate CAM on FPGA is increasing. FPGA-based CAMs are divided into three categories of implementation: register-based, block RAM (BRAM)- based, and distributed RAM-based CAM. However, they come with a cost of excessive resource usage. Bes

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Zhang, Jiaqi, Molin Jia, Noriyoshi Yamauchi, and Takaaki Baba. "Design and Implementation of a Mobile Multihop WSN for AGV System." International Journal of Digital Multimedia Broadcasting 2010 (2010): 1–12. http://dx.doi.org/10.1155/2010/108726.

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A system data sharing protocol of mobile WSN named synchronous dynamic multihop data sharing protocol (S-DMDS) is presented for automated guided vehicle (AGV) system. It is a cross-layer protocol designed from route layer to MAC layer. By adopting a concept of system data sharing, it is possible to make each node exchange the data timely with all the other nodes. It is also a topology-agnostic protocol which has no knowledge of neighbors, routes, or next hops. From the results of the 16-nodes simulation, S-DMDS protocol is proved to be efficient exchange data timely between the devices of AGV

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Lu, Yuan, Xiao Ou Song, and Xiao Li Lu. "The Study of the Digital Three-Phase Phase-Locked Loop in the Photovoltaic Grid System." Applied Mechanics and Materials 401-403 (September 2013): 1571–74. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.1571.

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In order to track the phase of the voltage of the grid quickly and accurately in the photovoltaic grid system, a digital three-phase phase locked loop optimization method that can be completed by FPGA, which can lock the in a short time and adjust the power system voltage phase to the synchronization with the grid voltage. This design consists of three-phase phase detector, comparator and bit phase locking circuit. The principle of synchronous rotating coordinate transformation and lookup table of RAM are used to adjust the phase error more and more fine-tune. The adjustment of the phase is co

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Río, Alberto del, Javier Serrano, David Jimenez, Luis M. Contreras, and Federico Alvarez. "A Deep Reinforcement Learning Quality Optimization Framework for Multimedia Streaming over 5G Networks." Applied Sciences 12, no. 20 (2022): 10343. http://dx.doi.org/10.3390/app122010343.

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Media applications are amongst the most demanding services. They require high amounts of network capacity as well as computational resources for synchronous high-quality audio–visual streaming. Recent technological advances in the domain of new generation networks, specifically network virtualization and Multiaccess Edge Computing (MEC) have unlocked the potential of the media industry. They enable high-quality media services through dynamic and efficient resource allocation taking advantage of the flexibility of the layered architecture offered by 5G. The presented work demonstrates the poten

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Xue, Ke, Tao Yu, Yanlin Sui, et al. "Research and Implementation of a Demodulation Switch Signal Phase Alignment System in Dynamic Environments." Sensors 23, no. 22 (2023): 9144. http://dx.doi.org/10.3390/s23229144.

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In the space gravitational wave detection mission, inertial sensors play the role of providing an inertial reference for the laser interferometric measurement system. Among them, the capacitance sensor serves as the core key technology of the inertial sensor, used to measure the relative position of the test mass (TM) in the electrode cage. The capacitance sensor utilizes synchronous demodulation technology to extract signals from the AC induction signal. When the phase of the demodulation switch signal is aligned, the synchronous demodulator can most effectively filter out noise, thus directl

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9

Angel, Basil, and Maharajan Duraisamy. "Dynamic State Estimation of Electric Power Systems Using Kalman Filtering Techniques." Journal of Physics: Conference Series 2335, no. 1 (2022): 012053. http://dx.doi.org/10.1088/1742-6596/2335/1/012053.

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Abstract The Kalman filter (KF) algorithm analyses power system state estimation using a number of specific equations to reduce the mean squared error. The Kalman filter is used to calculate the dynamic states of a power system network, including voltage and its angle at all buses (rotor angle) with respect to a synchronously rotating reference frame (in radians) and relative angular speed (in rad./sec) of all the generators in the system. Extended Kalman Filter (EKF) and Unscented Kalman Filter (UKF) approaches were developed on the Anderson & Fouad 9-bus test power system in this propose

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Li, Zheng, Zhirong Su, Haibo Wang, Shenhui Du, and Hexu Sun. "Design and Locomotion Study of Two-DOF Actuator Driven by Piezoelectric–Electromagnetic Hybrid Mode." Sensors 22, no. 10 (2022): 3739. http://dx.doi.org/10.3390/s22103739.

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A piezoelectric actuator (PEA) has the characteristics of high control precision and no electromagnetic interference. To improve the degree of freedom (DOF) to adapt to more working scenes, a piezoelectric–electromagnetic hybrid-driven two-DOF actuator is proposed. The PEA adopts the composite structure of the lever amplification mechanism and triangular amplification mechanism. The structure effectively amplifies the output displacement of the piezoelectric stack and increases the clamping force between the driving foot and the mover. The electromagnetic actuator (EMA) adopts a multi-stage fr

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Dubovik, Mikhail E., and Vyacheslav A. Solovyev. "Dynamic Model of a Dual Power Machine Controlled from the Rotor Side." Electrotechnical Systems and Complexes, no. 2(43) (June 28, 2019): 60–64. http://dx.doi.org/10.18503/2311-8318-2019-2(43)-60-64.

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In the high power mode, the power of which exceeds 100 kW, as a rule, when energy is used in asynchronous motors it requires voltage up to 1000 V. This is due to a decrease in the weight and dimensions of the motor. But when developing a frequency-controlled electric drive, it is necessary to use a high-voltage frequency converter (FC), which leads to a significant increase in the cost of electrical wiring. A compromise solution can be found by using a dual power supply machine (MIS), a frequency control channel that needs to be transferred to the rotor circuit [1]. The use of TIR will signifi

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Qu, Xingyu, Shuang Zhang, and Chengkun Peng. "Model-Free Adaptive Fast Integral Terminal Sliding Mode Control for Permanent Magnet Synchronous Motor with Position Error Constraint." World Electric Vehicle Journal 16, no. 7 (2025): 341. https://doi.org/10.3390/wevj16070341.

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The permanent magnet synchronous motor (PMSM) is a critical device that converts kinetic energy into mechanical energy. However, it faces issues such as nonlinearity, time-varying uncertainties, and external disturbances, which may degrade the system control performance. To address these challenges, this paper proposes a prescribed performance model-free adaptive fast integral terminal sliding mode control (PP-MFA-FITSMC) method. This approach replaces conventional techniques such as parameter identification, function approximation, and model reduction, offering advantages such as quantitative

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13

Kushwaha, Rohit. "Virtual Tutor: AI-Powered Learning Platform." International Journal for Research in Applied Science and Engineering Technology 13, no. 5 (2025): 2596–601. https://doi.org/10.22214/ijraset.2025.70698.

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Abstract: E-learning has grown exponentially and changed the way education is delivered across the globe. The online remote and self paced learning provided through digitisation has significantly changed the education accessibility landscape. However, there are still gaps in accessibility and real time support that prevents optimal learning experiences. Here the paper presents Virtual Tutor, an AI driven platform that bridges these gaps and provides personalized education. Using cutting edge technologies like Retrieval-Augmented Generation (RAG), Optical Character Recognition (OCR), Text-to-Sp

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14

Winter, Linda E., Linda B. Brubaker, Jerry F. Franklin, Eric A. Miller, and Donald Q. DeWitt. "Canopy disturbances over the five-century lifetime of an old-growth Douglas-fir stand in the Pacific Northwest." Canadian Journal of Forest Research 32, no. 6 (2002): 1057–70. http://dx.doi.org/10.1139/x02-030.

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The history of canopy disturbances over the lifetime of an old-growth Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stand in the western Cascade Range of southern Washington was reconstructed using tree-ring records of cross-dated samples from a 3.3-ha mapped plot. The reconstruction detected pulses in which many western hemlock (Tsuga heterophylla (Raf.) Sarg.) synchronously experienced abrupt and sustained increases in ringwidth, i.e., "growth-increases", and focused on medium-sized or larger ([Formula: see text]0.8 ha) events. The results show that the stand experienced at least three

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Santos, P., I. Hafizh, P. Leroux та G. Meynants. "10 μm global shutter pixel for radiation tolerant CMOS image sensors". Journal of Instrumentation 20, № 07 (2025): C07040. https://doi.org/10.1088/1748-0221/20/07/c07040.

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Abstract This article presents a new global shutter (GS) pixel design with radiation-hardened-by-design (RHBD) device modifications and correlated double sampling (CDS). Global shutter imagers present undeniable advantages by exposing all pixels simultaneously. Once in-pixel storage is included, the pixel readout can be operated simultaneously with exposure, enabling faster operation and flashed light. Additionally, this architecture is robust against motion defects and easy to operate in synchronous mode. The radiation tolerance of the outlined pixel is targeted up to 1 MGy SiO2 total ionizin

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Hendrikson, Josephine, Ying Liu, Qiu Xuan Tan, et al. "Abstract 989: Ascites in colorectal peritoneal carcinomatosis supersedes mutational status and other clinical variables as negative prognostic factor for CRS-HIPEC via EMT pathway." Cancer Research 83, no. 7_Supplement (2023): 989. http://dx.doi.org/10.1158/1538-7445.am2023-989.

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Abstract Peritoneal metastasis in colorectal cancer, also known as colorectal peritoneal carcinomatosis (CPC), signifies poor prognosis for patients and is associated with worse prognosis compared to other sites of metastasis. Treatment with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) in selected patients has been shown to improve survival. In this study, we aimed to identify potential prognostic factors to predict survival in CRS-HIPEC patients and explore the molecular mechanism implicated in CPC. Patient demographic and clinicopathological characteristics

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17

Xing, Fei, Yi Ping Yao, Zhi Wen Jiang, and Bing Wang. "Fine-Grained Parallel and Distributed Spatial Stochastic Simulation of Biological Reactions." Advanced Materials Research 345 (September 2011): 104–12. http://dx.doi.org/10.4028/www.scientific.net/amr.345.104.

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To date, discrete event stochastic simulations of large scale biological reaction systems are extremely compute-intensive and time-consuming. Besides, it has been widely accepted that spatial factor plays a critical role in the dynamics of most biological reaction systems. The NSM (the Next Sub-Volume Method), a spatial variation of the Gillespie’s stochastic simulation algorithm (SSA), has been proposed for spatially stochastic simulation of those systems. While being able to explore high degree of parallelism in systems, NSM is inherently sequential, which still suffers from the problem of l

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"Implementation of Low Power Memory on FPGA." VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE 8, no. 10 (2019): 932–36. http://dx.doi.org/10.35940/ijitee.j9084.0881019.

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Clock gating is a prominent and an efficacious methodology adopted to decrease the dynamic power (clock power) utilization in complementary metal oxide semiconductor (CMOS) based circuits. The sole intent of gating a clock signal is to minimize its switching activity and thereby reduce significant amount of power utilization of the clock signal. Memories or storage elements are the integral part of the complex designs used in the modern day devices enabling storage of exhaustive and crucial values being processed. In this paper, we present the design and implementation of Random Access Memory

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19

Dr., Hafiz Aadil Ahmad Dr Auroosh Sagheer Dr. Umer Shehzad Ahmed. "ARTERIAL DYNAMIC ELASTICITY AS A DETERMINANT OF BLOOD PRESSURE RESPONSE TO FLUID ADMINISTRATION: A VALIDATION STUDY." November 28, 2020. https://doi.org/10.5281/zenodo.4294545.

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<strong><em>Aim:</em></strong><em> Utilitarian appraisal of blood vessel load by powerful blood vessel elastic, characterized as the proportion between beat pressure variety (PPV) and stroke volume variety, has as of late been appeared to foresee the blood vessel pressure reaction to volume development in hypotensive, preload-subordinate patients. Be that as it may, in light of the fact that both SVV and PPV were gotten from beat pressure investigation, a numerical coupling element couldn't be prohibited. We along these lines planned this examination to affirm whether Eadyn, acquired from

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20

Mohamed Riyath, Mohamed Ismail, and Khaled Hussainey. "Co-movement and information transmission between conventional and Islamic equities in Sri Lanka." Review of Accounting and Finance, March 4, 2025. https://doi.org/10.1108/raf-10-2023-0357.

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Purpose This study aims to investigate the co-movement and information transmission between conventional and Islamic equity indices in Sri Lanka. Design/methodology/approach This study uses daily data of All Share Price Index and Dow Jones Islamic Market Sri Lanka Index from 2013 to 2023 for conventional and Islamic proxies. Descriptive statistics, cross-correlation, dynamic conditional correlation (DCC)-GARCH and wavelet analysis were used for the investigation. Findings Analyses reveal synchronous correlation yet lead-lag dynamics between the indices. The Islamic index has lower volatility,

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21

Zuo, Guanshu, Lei Hou, Rongzhou Lin, Shuangxing Ren, and Yushu Chen. "Combination resonance and primary resonance characteristics of a dual-rotor system under the condition of the synchronous impact of the inter-shaft bearing." Scientific Reports 13, no. 1 (2023). http://dx.doi.org/10.1038/s41598-023-27922-8.

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AbstractThe internal structure of many aero-engines is designed with a dual-rotor system. Up to now, there have been few studies on the influence of aerodynamic excitation on the dual-rotor system. The phenomenon of synchronous impact may occur when the frequency of the aerodynamic excitation force of the fan blade is close to the characteristic frequency of the inter-shaft bearing. This paper investigates the dynamic characteristics of a dual-rotor system under the condition of synchronous impact. The system's motion equations are formulated considering the complex nonlinearities of the inter

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22

Fang, Pan, Weiming Zhu, Yongjun Hou, and Dong Xiao. "Dynamic behaviors and double-frequency synchronization analysis of a dynamic vibration absorption system driven by three co-rotating exciters." Journal of Vibroengineering, February 19, 2025. https://doi.org/10.21595/jve.2025.24661.

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The recovery efficiency of drilling fluid is directly affected by working performance of the vibration screen. Therefore, a newly dynamic vibration absorption system driven by different excitation frequencies is designed through double-frequency synchronization theory to improve the mechanical performance of screening equipment. Firstly, the differential equations of motion of vibration system are deduced by Lagrange method. Then, the theoretical conditions of the system implementing double-frequency synchronization are obtained based on asymptotic method, and stability criterion of the synchr

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23

Chabbi, Pradnya, Diplesh Gautam, Venkatesh Kadbur Prabhakar Rao, and Sujan Yenuganti. "Experimental studies on dynamic response of piezoelectric based hemispherical resonator gyroscope." Sensor Review, August 19, 2024. http://dx.doi.org/10.1108/sr-08-2023-0343.

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Purpose This work measures the performance characteristics of a hemispherical resonator gyroscope (HRG) and compares it with a numerical model. Design/methodology/approach This work we explore the optical and piezoelectric measurement methods to determine the resonant frequency of HRG. These experimental results are compared with their numerically obtained values. To explore the performance characteristics, the effect of varying actuation voltages on the sense mode displacement and the piezoelectric sensor output was studied in the absence of input angular rate. The structure was then subjecte

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24

Pithon, Alain, Anna McCann, Andréa Buttu, et al. "Dynamics of Intraprocedural Dominant Frequency Identifies Ablation Outcome in Persistent Atrial Fibrillation." Frontiers in Physiology 12 (October 12, 2021). http://dx.doi.org/10.3389/fphys.2021.731917.

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Background: The role of dominant frequency (DF) in tracking the efficiency of a stepwise catheter ablation (step-CA) in persistent atrial fibrillation (peAF) remains poorly studied. We hypothesized that the DF time-course during step-CA displays divergent patterns between patients in whom a step-CA successfully restores long-term sinus rhythm (SR) and those with recurrence.Methods: This study involved 40 consecutive patients who underwent a step-CA for peAF (sustained duration 19 ± 11 months). Dominant frequency was computed on electrograms recorded from the right and left atrial appendages (R

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25

Rasanga, Ganegoda V. C., Kengo Hiraishi, Ryuichi Hodoshima, and Shinya Kotosaka. "Sidewinding locomotion of flatworm-like mesh robot WORMESH-II." ROBOMECH Journal 10, no. 1 (2023). http://dx.doi.org/10.1186/s40648-023-00263-x.

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AbstractWORMESH-II, which is the second prototype in the WORMESH series, is inspired by a flatten and soft-bodied fatworm, and its uniqueness is the use of multiple travelling waves for locomotion. In this paper, the sidewinding locomotions for WORMESH-II are talked about. This is because sidewinding is one of the most effective ways to traverse sandy terrain. The mathematical model of the sidewinding locomotion kinematics of WORMESH-II explains how synchronous multiple sidewinding waves can be used to control the movement of the robot effectively. Unlike WORMESH’s pedal-wave locomotion, sidew

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26

Kim, Tae Ho, Yong-Bok Lee, Tae Young Kim, and Kyong Ho Jeong. "Rotordynamic Performance of an Oil-Free Turbo Blower Focusing on Load Capacity of Gas Foil Thrust Bearings." Journal of Engineering for Gas Turbines and Power 134, no. 2 (2011). http://dx.doi.org/10.1115/1.4004143.

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Engineered design of modern efficient turbomachinery based on accurate model predictions is of importance as operating speed and rate power increase. Industrial applications use hydrodynamic fluid film bearings as rotor support elements due to their advantages over rolling element bearings in operating speed, system stability (rotordynamic and thermal), and maintenance life. Recently, microturbomachinery (< 250 kW) implement gas foil bearings (GFBs) as its rotor supports due to its compact design without lubricant supply systems and enhanced stability characteristics. To meet the needs from

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27

Chanda, Panse1 and Dr. Manali Kshirsaga. "SURVEY ON MODELLING METHODS APPLICABLE TO GENE REGULATORY NETWORK." August 22, 2018. https://doi.org/10.5121/ijbb.2013.3302.

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International Journal on Bioinformatics & Biosciences (IJBB) Vol.3, No.3, September 2013 DOI: 10.5121/ijbb.2013.3302 13 SURVEY ON MODELLING METHODS APPLICABLE TO GENE REGULATORY NETWORK Chanda Panse1 and Dr. Manali Kshirsagar1 1Department of Computer Technology, Yeshwantrao Chavan College of Engineering, Nagpur, India 1Department of Computer Technology, Yeshwantrao Chavan College of Engineering, Nagpur, India ABSTRACT Gene Regulatory Network (GRN) plays an important role in knowing insight of cellular life cycle. It gives information about at which different environmental conditions genes

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