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article

Experimental Investigation of Surface Roughness and Power Consumption in Turning Operation of EN 31 Alloy Steel

Harsh Y. Valera, Sanket N. Bhavsar, H.Y. Valera, S.N. Bhavsar

Procedia Technology > 2014 > 14 > Complete > 528-534

The paper presents an experimental study of power consumption and roughness characteristics of surface generated in turning operation of EN-31 alloy steel with TiN+Al ₂ O ₃ +TiCN coated tungsten carbide tool under different cutting parameters. The study shows the influences of three cutting parameters like spindle speed, depth of cut and feed rate affecting surface roughness as well...

chapter

Consumption factor: A figure of merit for power consumption and energy efficiency in broadband wireless communications

James N. Murdock, Theodore S. Rappaport

2011 IEEE GLOBECOM Workshops (GC Wkshps) > 1393 - 1398

2011 IEEE Globecom Workshops

In this paper, we present a universal figure of merit, the Consumption Factor (CF), that may be used to judge the power efficiency of any communications device or link. We derive expressions for the CF that account for the power efficiency of components in a homodyne transmitter, as this transmitter architecture will typify many future mm-Wave and massively broadband™ systems [1]. The CF is defined...

chapter

A 1-V 42.6-μW 1.5-bit continuous-time Delta-Sigma modulator for audio applications

Jinghua Zhang, Libin Yao, Bo Shi, Yong Lian

2010 Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics (PrimeAsia) > 73 - 76

2010 Second Asia Pacific Conference on Postgraduate Research in Microelectronics & Electronics (PrimeAsia 2010)

A fourth-order continuous-time (CT) Delta-Sigma modulator with 1.5-bit quantizer is presented in this paper. This design is targeted for audio applications that demand high resolution, low supply voltage, and low power consumption. The input-feedforward topology, with optimized coefficients, is utilized to reduce internal signal swings as well as the power consumption. A 1.5-bit quantizer with simple...

article

Power consumption measurements in a liquid vessel that is mixed using a vibratory agitator

Chemical Engineering Journal > 1999 > 75 > 3 > 161-165

The power consumption measurements are reported for a reciprocating plate agitator for different Newtonian liquids mixed in a tubular vessel. The maximum power consumption is calculated by multiplying the maximum force acting on the shaft and the maximum velocity of the reciprocating plate. Lounes and Thibault (see reference 7) reports a general form of the results of this investigation.

article

Study of hydrodynamics and flow characteristics in a twin‐blade planetary mixer with non‐Newtonian fluids

Jiecai Long, Xiaobin Zhan, Fang Guo, Zhibin Sun, more

AIChE Journal > 68 > 10 > n/a - n/a

This study aims to characterize the hydrodynamics and flow characteristics in a twin‐blade planetary mixer with non‐Newtonian fluids by using CFD modeling technique. The kneading pressure was recorded using an experimental setup, and a CFD model was verified. The flow characteristics and hydrodynamics in the mixing vessel containing the power‐law fluids were analyzed quantitatively, particularly the...

article

IoT streamed data handling model using delta encoding

Rajni Jindal, Neetesh Kumar, Sanjay Patidar

International Journal of Communication Systems > 35 > 13 > n/a - n/a

Internet of Thing (IoT) is a trending internet connectivity extension to connect physical devices on the heterogeneous networks to meet application requirements on various grounds, that is, health, agriculture, industry, and so forth. The amount of streamed data is generated by the IoT devices and processed via IoT device itself or external resources such as Cloud/Fog by considering real‐time constraints...

article

Health benefit/burden, PM₂_.5 removal effectiveness, and power consumption based comparison of common residential air‐cleaning technologies in the United States

Saloni Vijay, Jing Wang

Indoor Air > 32 > 7 > n/a - n/a

This modeling study compared the common air cleaners in U.S. residences based on averted disability‐adjusted life years (DALYs) related to indoor PM_2.5 concentration reduction and the DALYs resulted from carbon‐di‐oxide (CO₂) emissions from power consumption. The technologies compared include mechanical fibrous filters, electret fibrous filters, and electronic air cleaners. For DALYs estimation, the...

article

35‐4: Student Paper: Systematic Comparisons on Display Performances including Halo Effect

Zhiyong Yang, En-Lin Hsiang, Yizhou Qian, Shin-Tson Wu

SID Symposium Digest of Technical Papers > 53 > 1 > 436 - 439

We evaluate and compare the performance of a 15.6‐inch mini‐LED backlit LCD (mLCD) with a commercial OLED panel. Results show that the mLCD exhibits advantages over the OLED panel in peak brightness, gamma curve, color volume, power consumption, and ambient contrast ratio. The LMK imaging photometer with a high‐resolution CMOS sensor is employed to characterize the halo effect and reconstruct the...

article

P‐24: Distinguished Student Poster: Gate Driver with LTPO‐TFT Circuits for Low Power Consumption and Narrow Bezel AMOLED Displays

Junyeong Kim, Jin Jang

SID Symposium Digest of Technical Papers > 53 > 1 > 1126 - 1129

We propose a novel gate driver circuit using low‐temperature polycrystalline silicon and oxide (LTPO) thin‐film transistors (TFTs). The proposed circuit operates well when oxide TFTs have V_TH of −7.5 V, which is very depletion mode. In addition, by utilizing extremely low off‐state current of oxide TFTs, ultra‐low power consumption can be achieved. The proposed circuit consists of only six TFTs, four...

article

P‐9: Student Poster: Two‐Mode PWM Driven Micro‐LED Displays with Dual‐Gate Metal‐Oxide TFTs

Jia Fu, Congwei Liao, Hezi Qiu, Shuang Jin, more

SID Symposium Digest of Technical Papers > 53 > 1 > 1070 - 1073

A two‐mode pulse width modulation (PWM) pixel circuit is proposed for Micro‐LED display. The proposed driving method divides the consecutive 8 sub‐frames (256 gray levels) into low‐bit and high‐bit subframes, which are respectively driven by simultaneous emission (SE) and progressive emission (PE) modes. Compared with the traditional PWM driving scheme, the proposed one shows an increased effective...

article

48‐2: Invited Paper: Advanced LTPO Technology for CMOS Driving

Kook Chul Moon, Hwarim Im, Sara Hong, Yong-Sang Kim

SID Symposium Digest of Technical Papers > 53 > 1 > 612 - 615

A new advanced low×temperature polysilicon oxide semiconductor (LTPO) technology is proposed to realize CMOS×driven activematrix organic light×emitting diode (AMOLED). The advanced LTPO technology can be used in various applications by entirely CMOS×driven circuit operation, compared to the conventional one. It can reduce power consumption and the number of channels in a driver IC. We should solve...

article

64‐4: Student Paper: MiniLED Driving Circuit with Power‐Saving Mechanism for Use in LCD Backlight Module

Sung-Chun Chen, Chieh-An Lin, Cheng-Rui Lu, Chia-En Wu, more

SID Symposium Digest of Technical Papers > 53 > 1 > 849 - 852

This work presents a Mini‐LED driving circuit with for backlight unit of liquid crystal display. Simulation results indicate that the emission current error rates are all below 9.9% to ensure the capability of the proposed circuit to improve the image quality of displays.

article

Gate driver with low‐temperature polycrystalline silicon and oxide thin‐film‐transistor circuits for low power consumption and narrow bezel AMOLED displays

Junyeong Kim, Jin Jang

Journal of the Society for Information Display > 30 > 5 > 482 - 488

We propose a novel gate driver circuit using low‐temperature polycrystalline silicon and oxide (LTPO) thin‐film transistors (TFTs). The proposed circuit consists of only six TFTs, four p‐type LTPS, and two n‐type a‐IGZO TFTs, without capacitor. The proposed circuit operates well when oxide TFTs have threshold voltage (V_TH) of −7.5 V, which is very depletion mode. Without bootstrapping, low gate bias...

article

Optimisation of biochar yield from sorted wood wastes as sustainable alternatives to burning to ash

Similade A. Adeodun, Abimbola Y. Sangodoyin, Mary B. Ogundiran

Ecological Chemistry and Engineering. S > 2022 > Vol. 29, nr 1 > 15--26

Wood wastes are one of the leading contributors of greenhouse gases cum climate change. While the burning of wood wastes results in CO2 emission, decomposition generates methane. In place of these emissions, wood wastes can be converted into biochars which have a lot of novel applications. However, low biochar yield was the common limitation of wood wastes, essentially, due to a mixture of different...

article

Data characteristics aware prediction model for power consumption of data center servers

Ziyu Shen, Qing Zhou, Xusheng Zhang, Bin Xia, more

Concurrency and Computation: Practice and Experience > 34 > 11 > n/a - n/a

Due to the rapid increase in the number and scale of data centers, the information and communication technology (ICT) equipment in data centers consumes an enormous amount of power. A power prediction model is therefore essential for decision‐making optimization and power management of ICT equipment. However, it is difficult to predict the power consumption of data centers accurately due to the complex...

article

Selective counter design in quantum‐dot cellular automata nanotechnology

Zaman Amirzadeh, Mohammad Gholami

Concurrency and Computation: Practice and Experience > 34 > 10 > n/a - n/a

In this article novel counters based on quantum‐dot cellular automata (QCA) nanotechnology is designed. To have proper counter design, first new D flip‐flop with appropriate number of cells, area and delay is designed. Then, this flip‐flop is changed to have flip‐flop with set and reset abilities. Therefore, the proposed flip‐flop is used to design selective counters which can count for example from...

article

Improvement of energy efficiency by dynamic load consolidation in C‐RAN

Mst. Rubina Aktar, Md. Shamim Anower

International Journal of Communication Systems > 35 > 6 > n/a - n/a

The Fifth Generation (5G) network is the next step in the evolution of cellular networks, which are anticipated to encounter a remarkable growth in traffic. To meet this traffic requirement, the network capacity must be increased, which would inevitably necessitate the expansion of additional base stations (BSs). Moreover, the expenses and energy consumption of BSs are excessively high. The highly...

article

duf: Dynamic uncore frequency scaling to reduce power consumption

Étienne André, Rémi Dulong, Amina Guermouche, François Trahay

Concurrency and Computation: Practice and Experience > 34 > 3 > n/a - n/a

Reducing the power consumption of applications has become one of the key challenges in high‐performance computing. Recent processor architectures differentiate processor core frequency from its uncore frequency. As a consequence, in addition to tuning processor core frequency with dynamic voltage and frequency scaling, power consumption can also be controlled through uncore frequency scaling. This...

article

Thermal design power and vectorized instructions behavior

Amina Guermouche, Anne‐Cécile Orgerie

Concurrency and Computation: Practice and Experience > 34 > 2 > n/a - n/a

Vectorized instructions were introduced to improve the performance of applications. However, they come at the cost of an increase in the power consumption. As a consequence, processors are designed to limit their frequency when such instructions are used in order to respect the thermal design power limit. In this paper, we study and compare the impact of thermal design power and Simple Instruction...

article

TRACTOR: Traffic‐aware and power‐efficient virtual machine placement in edge‐cloud data centers using artificial bee colony optimization

Sayyid Shahab Nabavi, Sukhpal Singh Gill, Minxian Xu, Mohammad Masdari, more

International Journal of Communication Systems > 35 > 1 > n/a - n/a

Technology providers heavily exploit the usage of edge‐cloud data centers (ECDCs) to meet user demand while the ECDCs are large energy consumers. Concerning the decrease of the energy expenditure of ECDCs, task placement is one of the most prominent solutions for effective allocation and consolidation of such tasks onto physical machine (PM). Such allocation must also consider additional optimizations...

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Search results

Experimental Investigation of Surface Roughness and Power Consumption in Turning Operation of EN 31 Alloy Steel

Consumption factor: A figure of merit for power consumption and energy efficiency in broadband wireless communications

A 1-V 42.6-μW 1.5-bit continuous-time Delta-Sigma modulator for audio applications

Power consumption measurements in a liquid vessel that is mixed using a vibratory agitator

Study of hydrodynamics and flow characteristics in a twin‐blade planetary mixer with non‐Newtonian fluids

IoT streamed data handling model using delta encoding

Health benefit/burden, PM₂_.5 removal effectiveness, and power consumption based comparison of common residential air‐cleaning technologies in the United States

35‐4: Student Paper: Systematic Comparisons on Display Performances including Halo Effect

P‐24: Distinguished Student Poster: Gate Driver with LTPO‐TFT Circuits for Low Power Consumption and Narrow Bezel AMOLED Displays

P‐9: Student Poster: Two‐Mode PWM Driven Micro‐LED Displays with Dual‐Gate Metal‐Oxide TFTs

48‐2: Invited Paper: Advanced LTPO Technology for CMOS Driving

64‐4: Student Paper: MiniLED Driving Circuit with Power‐Saving Mechanism for Use in LCD Backlight Module

Gate driver with low‐temperature polycrystalline silicon and oxide thin‐film‐transistor circuits for low power consumption and narrow bezel AMOLED displays

Optimisation of biochar yield from sorted wood wastes as sustainable alternatives to burning to ash

Data characteristics aware prediction model for power consumption of data center servers

Selective counter design in quantum‐dot cellular automata nanotechnology

Improvement of energy efficiency by dynamic load consolidation in C‐RAN

duf: Dynamic uncore frequency scaling to reduce power consumption

Thermal design power and vectorized instructions behavior

TRACTOR: Traffic‐aware and power‐efficient virtual machine placement in edge‐cloud data centers using artificial bee colony optimization

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