scholarly journals Design, Fabrication and Performance Evaluation of Chicken De-Feathering Machine

2021 ◽  
Vol 8 (12) ◽  
pp. 703-711
Author(s):  
Adefuye O.A ◽  
Adedeji K.A ◽  
Fadipe L.O

Due to its low fat and calorie content, chicken meat is popular among non-vegetarians all over the world. The design, fabrication, and performance evaluation of a chicken de-feathering machine using locally available materials are described in this paper. The design calculations were done correctly to guarantee the right shaft diameter, as this might impact the machine's efficiency. The machine uses rubber fingers to do the actual removal of the feathers. The rubber fingers are attached to a rotating plate against a stationary plucking basin carrying protruding rubber fingers. From the analysis, a 1.0 H.P electric motor is required to drive the machine and this was used to drive the machine. Following the design and fabrication of the machine, three different types of chickens were used to test its performance. The chickens were immersed in hot water between 60 and 90 degrees Celsius and held between the 40s and 60s. The machine removed feathers without any major damage to the chickens. At each trial, the efficiency was calculated. In conclusion, the machine performed efficiently and effectively, leaving behind products that are readily marketable. Keywords: [Chicken, De-feathering, Efficiency. Fingers, Scalding, Rubber.]

2017 ◽  
Vol 99 ◽  
pp. 4-9
Author(s):  
Aikaterini Basdeki ◽  
Lysandros Katsifarakis ◽  
Konstantinos L. Katsifarakis

Author(s):  
Behnam Fahimnia ◽  
Lee Luong ◽  
Romeo Marian

Supply Chain Management is the process of integrating and utilizing suppliers, manufacturers, distribution centers, and retailers; so that products are produced and delivered to the end-users at the right quantities and at the right time, while minimizing costs and satisfying customer requirements. From this definition, a supply chain includes three sub-systems: procurement, production, and distribution. The overall performance of a supply-chain is influenced significantly by the decisions taken in its production-distribution plan. A production-distribution plan excludes the procurement activities and integrates the decisions in production, transport and warehousing as well as inventory management. Hence, one key issue in the performance evaluation of a supply network is the modeling and optimization of production-distribution plan considering its actual complexity. This paper develops a mixed integer formulation for a two-echelon supply network that expands the previously reported production-distribution models through the integration of Aggregate Production Plan and Distribution Plan as well as considering the real-world variables and constraints. A Genetic Algorithm is designed for the optimization of the developed model. The methodology will be then implemented to solve a real-life problem incorporating multiple time periods, multiple products, multiple manufacturing plants, multiple warehouses and multiple end-users. To demonstrate the capability of the approach, the validation and performance evaluation of this model will be finally studied for the presented case study.


2018 ◽  
Author(s):  
Philipp Schwartenbeck ◽  
Johannes Passecker ◽  
Tobias U Hauser ◽  
Thomas H B FitzGerald ◽  
Martin Kronbichler ◽  
...  

AbstractSuccessful behaviour depends on the right balance between maximising reward and soliciting information about the world. Here, we show how different types of information-gain emerge when casting behaviour as surprise minimisation. We present two distinct mechanisms for goal-directed exploration that express separable profiles of active sampling to reduce uncertainty. ‘Hidden state’ exploration motivates agents to sample unambiguous observations to accurately infer the (hidden) state of the world. Conversely, ‘model parameter’ exploration, compels agents to sample outcomes associated with high uncertainty, if they are informative for their representation of the task structure. We illustrate the emergence of these types of information-gain, termed active inference and active learning, and show how these forms of exploration induce distinct patterns of ‘Bayes-optimal’ behaviour. Our findings provide a computational framework to understand how distinct levels of uncertainty induce different modes of information-gain in decision-making.


Energy ◽  
2019 ◽  
Vol 185 ◽  
pp. 148-157 ◽  
Author(s):  
Sunil ◽  
Rahul Sinha ◽  
Bathina Chaitanya ◽  
Birendra Kumar Rajan ◽  
Anurag Agarwal ◽  
...  

2020 ◽  
Vol 5 (11) ◽  
pp. 94
Author(s):  
Daniel Bassey ◽  
Ben Ngene ◽  
Isaac Akinwumi ◽  
Victor Akpan ◽  
Gideon Bamigboye

Across the world, ballasted railway tracks are utilised extensively due to their cost efficiency, ease of drainage, and capacity to withstand cyclic imposed loadings from heavy trains. In spite of these benefits, the ballast is often considered as a flexible medium; as such, its continuous deterioration is largely disregarded. Geotechnical challenges such as ballast contamination in the form of particle fragmentation, deposition of weathered materials, upward pumping of clay and fines from underlayers, and coal intrusion have led to differential settlements and reduced drainability of tracks, thereby exacerbating track maintenance costs. This study reviews existing works of literature to expound on the mechanisms for ballast contamination and to highlight the fundamental parameters that guide the characterisation and performance evaluation of railway ballasts. The study shows that ballast fragmentation accounts for about 76% of commonly recorded contaminations, while it is also observed as the most critical to track stability. As such, a variety of indices and specifications for ballast gradation have been established worldwide to guide practice in ballast characterisation and performance evaluation. However, the mechanisms of ballast fragmentation and deterioration require further research to guide the improvement of contemporary guidelines, and mitigate the risk of abrupt track failures, especially in developing countries.


eLife ◽  
2019 ◽  
Vol 8 ◽  
Author(s):  
Philipp Schwartenbeck ◽  
Johannes Passecker ◽  
Tobias U Hauser ◽  
Thomas HB FitzGerald ◽  
Martin Kronbichler ◽  
...  

Successful behaviour depends on the right balance between maximising reward and soliciting information about the world. Here, we show how different types of information-gain emerge when casting behaviour as surprise minimisation. We present two distinct mechanisms for goal-directed exploration that express separable profiles of active sampling to reduce uncertainty. ‘Hidden state’ exploration motivates agents to sample unambiguous observations to accurately infer the (hidden) state of the world. Conversely, ‘model parameter’ exploration, compels agents to sample outcomes associated with high uncertainty, if they are informative for their representation of the task structure. We illustrate the emergence of these types of information-gain, termed active inference and active learning, and show how these forms of exploration induce distinct patterns of ‘Bayes-optimal’ behaviour. Our findings provide a computational framework for understanding how distinct levels of uncertainty systematically affect the exploration-exploitation trade-off in decision-making.


2021 ◽  
Vol 23 (11) ◽  
pp. 462-474
Author(s):  
Archana R. Dhole ◽  
◽  
Khushabu M. Mulla ◽  
Sushmita S. Salunkhe ◽  
Komal S. Talekar ◽  
...  

Among the various species of the genus Calendula, C. officinalis is the only one, which is extensively used clinically throughout the world. Pharmacological studies reveal that C. officinalis exhibits antibacterial, antiviral, anti-inflammatory, anti-tumor and antioxidant properties, helps promote the healing of minor burns, scrapes and skin irritations and relieves sunburn and minor cuts. The objective of this study was to optimize conditions for encapsulating Calendula officinalis Linn extract. Thus a novel approach to effectively treat wrinkles, helps promote the healing of minor burns, scrapes and skin irritations and relieves sunburn and minor cuts by delivery of an antioxidant using a special lipid vesicular carrier, the Ethosomal cream was prepared.


Author(s):  
Thi Sen Vu ◽  

The article is made on the basis of a research method to review published documents related to the current model of performance evaluation according to financial and nonfinancial factors in the world. The review process of documents on each type of effectiveness evaluation model shows that: There is a performance evaluation model based solely on the financial factors of the entity, there are a number of models that allow performance evaluation based on both financial and non-financial factors to assess the overall performance of an organization. At the same time, the research has analyzed and pointed out the advantages, applicability and certain limitations of each model. From there, the article gives some discussion to consider the suitability of each performance evaluation model for different types of organizations. These are also recommendations for managers in each type of organization to choose to apply an appropriate model to achieve their organization's goals.


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