Academic literature on the topic 'Synchronous Dynamic RAM'

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Journal articles on the topic "Synchronous Dynamic RAM"

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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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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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Book chapters on the topic "Synchronous Dynamic RAM"

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Rigaud, Solange. "Personal ornaments and shell artifacts." In Klimonas. CNRS Éditions, 2024. http://dx.doi.org/10.4000/129kl.

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The personal ornaments identified at Klimonas are very diverse. Raw materials, including shells, bone, teeth and stones, were locally acquired on the island. A study of the manufacturing process indicates that shell and stone ornaments were the result of domestic productions performed in the village. The functional data indicate that raw materials (blanks, preforms, finished and used objects) were deposited in various structures throughout the three sectors. Certain shell and stone ornaments had a particular function related to their deposition in specific architectural units. Picrolite produc
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Conference papers on the topic "Synchronous Dynamic RAM"

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Parry, Adam, Brandon Hencey, and Jon Zumberge. "Model Predictive Control for a Synchronous Machine With a Pulsed, Constant-Power Load." In ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3110.

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Abstract In this paper, the problem of controlling synchronous machines driving high pulsed, constant-power loads (CPLs) with fast ramp rates is investigated. Using a PI controller to provide offset-free tracking of the generator voltage in steady state, we design controllers using Model Predictive Control which act as a reference governor to ensure power quality constraints are met during transients. However, it is shown that a standard linear MPC algorithm creates a steady state offset due to model mismatch at off-nominal power levels resulting in loss of power quality. This problem is corre
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Nickel, D. A., and Charles M. Krousgrill. "Experimental and Analytical Study of X-Ray Tube Rotor Dynamics." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0035.

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Abstract An X-ray tube rotor has been analyzed, using experimental and numerical methods, as a part of an effort to diagnose an intermittent acoustic noise problem. The type of rotor studied is supported by two solid-lubricated angular contact bearings, and operates in a vacuum. Experimental studies of rotor vibration were performed using a test fixture with radio frequency proximity sensors. Coast-down studies indicated the presence of both synchronous and sub-harmonic whirl, along with a tendency for the nature of response to change rapidly during operation. Two ODE (ordinary differential eq
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Sebastião, Xavier P., Renan R. de Oliveira, Waldir Moreira, and Antonio Oliveira-Jr. "Channel-Aware Federated Analytics in B5G/6G Networks: Dynamic Power Allocation with NS-3 5G-LENA." In Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos. Sociedade Brasileira de Computação, 2025. https://doi.org/10.5753/sbrc.2025.6372.

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Federated Analytics (FA) is an approach for preserving security and privacy by implementing collaborative analysis of data from distributed devices without sharing raw data. However, when FA operates over wireless transmission, challenges such as interference, signal degradation, and network congestion may arise. These factors can make the wireless transmission unreliable, introducing delays and causing corruption in responses and updates received at the central server, thereby impacting the quality of the final aggregated FA results. This work proposes an integrated framework to simulate FA i
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Kumar, Rajiv, Michael Merkle, and Thomas Leibfried. "A New Approach for Investigation of the Turbine Generator Oscillatory Behavior Affecting Power System Quality and Reliability." In ASME 2004 Power Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/power2004-52167.

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Transients following switching in the network and/or the tripping of generating unit auxiliaries can excite oscillatory torques on the turbine-generator-rotor-shaft system. The oscillations can be damped or amplified with time. Damped oscillations affect the power quality and if the oscillations grow with time they may even lead to generating unit outages (and damages) resulting in possible system instabilities. Deregulation of electricity markets has resulted in separation of Utility Companies (responsible for power generation) and Transmission Companies (responsible for power transmission).
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Vance, John M., J. J. Zierer, and E. M. Conway. "Effect of Straight Through Labyrinth Seals on Rotordynamics." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0190.

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Abstract Experimental measurements have been made to evaluate the rotordynamic performance of straight-through labyrinth seals under conditions that are realistic for many turbomachines. Both teeth-on-rotor and teeth-on-stator gas seals were tested, each with twelve blades, 173 mm (6.8″) blade diameter, and 102 mm (4″) total length. The nominal blade tip clearance was 0.5 mm (20 mils). The teeth-on-stator seal was tested with the blade tip clearances diverging (in the direction of the flow), uniform, and converging. The teeth-on-rotor seal was tested with uniform clearances. The inlet air pres
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Samuel, Robello, and Zhengchun Liu. "Bit Wear Prediction Using Adaptive Data Analytics: Dynamic Scenario for Real Time Well Engineering." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216474-ms.

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Abstract As the wells become more complex, identifying the locations of critical bit wear becomes increasingly difficult. The analytical models currently used in the drilling industry are not capable of completely realizing the downhole dynamics and thus incapable of bit wear prediction – they either overestimate or are too conservative, while some just require too many parameters, constants and coefficients. There is no acceptable universal mathematical model that describes bit wear and thus this paper proposes not to use a model at all. This study focuses on harnessing the impact of real tim
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