scholarly journals Analysis of power reduction and implementation on FPGA for AES-128bits using BEDT schemes

2017 ◽  
Vol 7 (1.5) ◽  
pp. 126
Author(s):  
C. Sapna Kumari ◽  
K. V. Prasad
Keyword(s):  
Research Work ◽  
Cross Coupling ◽  
Power Reduction ◽  
Energy Utilization ◽  
Rapid Improvement ◽  
Coupling Capacitance ◽  
Xor Operation ◽  
Encryption And Decryption ◽  
Encoding Strategy ◽  
Communications System

Due to rapid improvement for innovations in cryptography, the scattered of power link in connections of cryptography contexts instigates to resist through the power disseminated via substitute mechanisms of the communication subsystem, the switches and the sub modules of cutting edge encryption standard (AES). The dynamic power dissemination in joins is real supporter of the power utilization in organize on the chip. Due to self-exchanging and cross coupling capacitance the power consumption is shirking in communications system for security aspects. In the present research work the encoding strategy the key self-exchanging is diminish by examination the exchanging change and afterward the link between the connections is patterned and guaranteed that the power utilization is lessened. To upgrade control utilization in encryption and decoding process, Bit Encryption and Decryption Transition (BEDT) information schemes went for lessening the power disseminated by the AES chiefly include round key module in AES to perform XOR operation between 128 bits plain content and secrete key. The suggested research work in this paper is main basic concept of AES due to its number of round operations and also it will allow 39% of energy sprinkling and 9% of energy utilization without having more number execution debasement and with below 11% range overhead in the other cryptography frameworks. The proposed BEDT schemes depends on both odd modified and even rearranged, and after that sending the information to receiver that will performed utilizing the kind off reversal which lessens increasingly the exchanging movement. In these proposed three schemes, utilizes an easier decoder while accomplishing a higher movement diminishment. In the prior schemes, the quantity of changes from 0 to 1 for two back to back flutters is tallied. The bit transitions reduce the number of transitions before transmitting the data to decryption.

scholarly journals Energetic and exergetic analysis of a convective drier: A case study of potato drying process

2020 ◽  
Vol 5 (1) ◽  
pp. 563-572
Author(s):  
Iman Golpour ◽  
Mohammad Kaveh ◽  
Reza Amiri Chayjan ◽  
Raquel P. F. Guiné
Keyword(s):  
Energy Consumption ◽  
Research Work ◽  
Specific Energy Consumption ◽  
Exergy Efficiency ◽  
Operating Conditions ◽  
Energy Utilization ◽  
Convective Drying ◽  
Drying Time ◽  
Energy And Exergy ◽  
Exergy Losses

AbstractThis research work focused on the evaluation of energy and exergy in the convective drying of potato slices. Experiments were conducted at four air temperatures (40, 50, 60 and 70°C) and three air velocities (0.5, 1.0 and 1.5 m/s) in a convective dryer, with circulating heated air. Freshly harvested potatoes with initial moisture content (MC) of 79.9% wet basis were used in this research. The influence of temperature and air velocity was investigated in terms of energy and exergy (energy utilization [EU], energy utilization ratio [EUR], exergy losses and exergy efficiency). The calculations for energy and exergy were based on the first and second laws of thermodynamics. Results indicated that EU, EUR and exergy losses decreased along drying time, while exergy efficiency increased. The specific energy consumption (SEC) varied from 1.94 × 105 to 3.14 × 105 kJ/kg. The exergy loss varied in the range of 0.006 to 0.036 kJ/s and the maximum exergy efficiency obtained was 85.85% at 70°C and 0.5 m/s, while minimum exergy efficiency was 57.07% at 40°C and 1.5 m/s. Moreover, the values of exergetic improvement potential (IP) rate changed between 0.0016 and 0.0046 kJ/s and the highest value occurred for drying at 70°C and 1.5 m/s, whereas the lowest value was for 70°C and 0.5 m/s. As a result, this knowledge will allow the optimization of convective dryers, when operating for the drying of this food product or others, as well as choosing the most appropriate operating conditions that cause the reduction of energy consumption, irreversibilities and losses in the industrial convective drying processes.

Proactive Routing Mechanism for Removing Far Sensor in Iot using A Design of B * Index

2021 ◽  
Vol 11 ◽  
Author(s):  
S. Geetha ◽  
P. Deepalakshmi
Keyword(s):  
Clustering Algorithm ◽  
Research Work ◽  
Energy Utilization ◽  
Energy Separation ◽  
Agglomerative Clustering ◽  
Sensitive Data ◽  
Dynamic Selection ◽  
Storage And Retrieval ◽  
Proactive Routing ◽  
Iot Devices

Background:: The concern with the IoT node is energy since nodes are depleted as their energy utilization is incrementally reduced with reduction in far off nodes. The nodes will consume energy when it senses the data, followed with the Computation, and further for transmission. Method:: We proposed the phases for Energy-saving at nodes by Enhanced Agglomerative Clustering, Dynamic Selection of Leader, disposal of faraway sensor, and B * tree cloud storage and retrieval. In a typical IoT system, the nodes are deployed in the environment initially. Nodes are clustered using Enhanced Agglomerative Clustering Algorithm. A far node elimination will be implemented for the nodes not in the cluster region. Results:: By eliminating the need for far-off sensors, we can reduce the energy used. This in turn can also improve the lifetime of sensors. When appropriate, sensitive data is moved from IoT devices and stored in the cloud. Conclusion:: This paper also proposes an approach to fetch the data from IoT by using the Query Predicate method. This research work proposes a unique choice of grouping by estimating the parameters as energy, separation, thickness and portability.

scholarly journals Synthesis of new Pro-PYE ligands as co-catalysts toward Pd-catalyzed Heck–Mizoroki cross coupling reactions

RSC Advances ◽  
2019 ◽  
Vol 9 (65) ◽  
pp. 37986-38000 ◽  
Author(s):  
Naima Munir ◽  
Sara Masood ◽  
Faroha Liaqat ◽  
Muhammad Nawaz Tahir ◽  
Sammer Yousuf ◽  
...  
Keyword(s):  
Research Work ◽  
Cross Coupling ◽  
Coupling Reactions ◽  
Co Catalysts ◽  
Cross Coupling Reactions

The present research work describes the synthesis of five new ligands containing pyridinium amine, [H2L1][OTf]2–[H2L5][I]2 from two new precursors, [P3Et][I] and [P2Me][CF3SO3].

scholarly journals Noise Assisted Image Encryption and Decryption using 2-D Chaotic System

2021 ◽  
Author(s):  
Namrata Biswas ◽  
I. Raja Mohamed
Keyword(s):  
Image Encryption ◽  
Chaotic System ◽  
Color Image ◽  
Image Transmission ◽  
Noise Signal ◽  
State Variables ◽  
Initial Values ◽  
Xor Operation ◽  
Encryption And Decryption ◽  
Information Image

Abstract In this paper, a new two-dimensional (2-D) chaos-based color image encryption and decryption scheme is proposed in which the noise signal is selected randomly to set the initial values for a chaotic system which also enhances the security of the system. The 256-bit hash value of noise is transformed into one-time initial values for the state variables of this proposed chaotic system. XOR operation is further carried out to diffuse the pixels. Finally, statistical and security analyses are performed for understanding the effectiveness of the proposed system. Experimental results confirm that the proposed chaos-based cryptosystem is efficient and suitable for information (image) transmission in a highly secured way.

scholarly journals FORSA: Exploiting Filter Ordering to Reduce Switching Activity for Low Power CNNs

2021 ◽  
Author(s):  
Yasmin Halawani ◽  
Baker Mohammad
Keyword(s):  
Digital Circuits ◽  
Matrix Multiplication ◽  
Temporal Distribution ◽  
Cross Coupling ◽  
Model Structure ◽  
Switching Activity ◽  
Data Set ◽  
Dynamic Power ◽  
Coupling Capacitance ◽  
Point Representation

<div>Switching activity in digital circuits depends on the temporal distribution of the data participating in the operation which directly influences the interconnect, dynamic power and timing of the system. This paper proposes an efficient method for reducing both power and latency of matrix-multiplication operations found in many applications like convolution neural networks (CNNs). The approach takes advantage of the unique characterizes of CNN with input stationary for efficient multiply-add operation. Since most application use reduce accuracy for MAC, the proposed work assumed 8-bit fixed point representation. As a demonstrator, CIFAR-10 data set has been used for end to end analysis of the filters on a 3-ConV with 2-FC model structure. The filters’ were re-ordered to reduce the switching behaviour between successive weight fetching. This directly impacts the dynamic power consumption and miraculously makes the classification activity reduces cross-coupling capacitance which helps improve timing and noise.</div>

scholarly journals Results of co-fermentation experiments in half industrial size

2014 ◽  
Vol 3 (2) ◽  
pp. 454-458
Author(s):  
László Sallai
Keyword(s):  
Biogas Production ◽  
Research Work ◽  
Electrical Energy ◽  
Energy Utilization ◽  
Plant Production ◽  
Pig Manure ◽  
Local Conditions ◽  
Agricultural Enterprises ◽  
The Impact ◽  
By Products

The research work presented proposes the study of the impact for the qualitative and the quantitative property of the biogas production by the co-fermentation of the bio-fuel industrial by-products and the dangerous liquid pig manure of the concentrated stock of the big pig farms. The energetic utilization of these materials means more profitable technology for the bio-fuel industry with a longer product course, bigger income for the agricultural enterprises selling the electrical energy, the heat energy, getting support for the demolition of the dangerous materials, savings in the replacement of the plant nutrition with the utilization of the bio-manure, increases the performance of the plant production, making harmless the dung which means a big environmental load. Because of the profitability of bio-energy utilization depends on the local conditions it is necessary to do experiments to try the available composition of organic wastes in the ratio of the formation in advance. We have to investigate the different ways of technology and recipe of basic and by-products to increase the production.

scholarly journals Ciphering and Deciphering Messages by Graph Labeling Techniques Through Multilevel Cryptosystem

2020 ◽  
Vol 8 (4S5) ◽  
pp. 33-39
Keyword(s):  
Research Work ◽  
Graph Labeling ◽  
Third Party ◽  
Secret Key ◽  
Cipher Text ◽  
Graph Pattern ◽  
Encryption And Decryption ◽  
Symmetric Key ◽  
Four Square ◽  
Secure Transmission

In this paper we present an upgraded technique of coding a message using Multilevel Cryptosystem based on Four square Cipher, Mono alphabetic Substitution Cipher and Columnar Transposition cipher subjected to Graph labeling. We send our Cipher text in the form of graph pattern which admits Root cube mean labeling. Further by using the secret key the receiver decrypts the edge labels which is shared by the sender. Here we employ Symmetric key cryptosystem for both encryption and decryption of messages as both the sender as well as thereceiver shares the same key for encryption and decryption of messages. In this research work we performed Multilevel Cryptographic technique together with Graph Labeling concept to save the messages from third party or Hackers ensuring secure transmission of messages

scholarly journals On the Design of a New Simulated Inductor Using a Contactless Electrical Tomography System as an Example

Sensors ◽  
2019 ◽  
Vol 19 (11) ◽  
pp. 2463 ◽  
Author(s):  
Xin Ye ◽  
Yuxin Wang ◽  
Xiao-Yu Tang ◽  
Haifeng Ji ◽  
Baoliang Wang ◽  
...  
Keyword(s):  
Signal To Noise Ratio ◽  
Research Work ◽  
Impedance Measurement ◽  
Power Source ◽  
Input Current ◽  
Output Current ◽  
Electrical Tomography ◽  
Tomography System ◽  
Coupling Capacitance ◽  
Measurement Results

This work reports a new simulated inductor which is suitable for a Contactless Electrical Tomography (CET) system and can effectively overcome the unfavorable influence of coupling capacitance on the measurement results. By detailed analysis and comparison, it is found that the grounded simulated inductor has a simple circuit construction but its output current is not equal to its input current, while the floating simulated inductor can be used as an independent inductor module but its circuit structure is relatively complex. A new simulated inductor is designed by compensating the currents from the common node of an introduced independent power source to the main circuit. The new simulated inductor combines the advantages of the grounded simulated inductor and the floating simulated inductor. It has the simple construction similar to that of the grounded simulated inductor and its input current is equal to the output current, which means it can be used as an independent module. The impedance measurement and practical image reconstruction experiments were carried out to verify the effectiveness of the new simulated inductor. The experimental results show that the design of the new simulated inductor is successful, and the performance of the impedance measurement is satisfactory. The signal-to-noise ratio of the CET system is improved. Meanwhile, the research work also indicates that in the case when the independent power source is not available, the new simulated inductor is also an effective alternative method. But the phase difference between input signal and output signal is approximately 90° when the elimination principle is realized.

Wave Energy Extraction From Multiple Buoys Supporting a Flexible Runway

2017 ◽  
Author(s):  
H. C. Zhang ◽  
D. L. Xu ◽  
Q. H. Li
Keyword(s):  
Wave Energy ◽  
Research Work ◽  
Algebraic Method ◽  
Wave Theory ◽  
Energy Utilization ◽  
Linear Wave ◽  
Wave Condition ◽  
Wave Energy Converters ◽  
The Cost ◽  
Wave Farm

Integrating an array of buoys type converters with a flexible runway can be a viable option for cost-sharing between wave energy capturing devices and ocean space utilization structures, and thus enhance the cost-effectiveness of wave energy utilization. In this study, a configuration of multiple buoys supporting a runway is proposed. Hydrodynamic interactions among the buoys are analyzed using an exact algebraic method based on linear wave theory in the frequency domain. A parametric governing equation of compound wave energy converter referred to as a wave farm is formulated by using Hamilton’s principle which can be discretized by using Galerkin method. The effects of wave condition and the parameters of PTO on the wave energy absorption and dynamic characteristics of a runway are analyzed. This research work is aimed to provide a theoretical guideline for wave energy converters design.

Sign in / Sign up

Export Citation Format

Share Document