Model-Based Hazard an Propagation Assessment of Product Changes

2016 ◽  
Author(s):  
Michael Roth ◽  
Felix Gantenbein
Keyword(s):  
Potential Hazard ◽  
Product Complexity ◽  
Product Model ◽  
Graph Rewriting ◽  
Hazard Potential ◽  
Safety Aspects ◽  
Safety Regulations ◽  
Safety Awareness ◽  
Propagation Analysis ◽  
Increasing Demand

The current markets are characterized by an increasing demand for individual products, increasing product complexity and stricter safety regulations. This results in large hazard and safety analysis efforts for each individual product variant. One possible solution to reduce these efforts is the automation of analyses and a preliminary assessment of individual changes. Therefore, several approaches are published to e.g. model safety aspects or evaluate change propagations. However, the approaches fail to directly establish the connection between product changes and safety aspects by a common model. This paper develops a method to identify and assess the potential hazard impact of product changes through a common static model. It builds on a graph-based product model and graph-rewriting. From the state of the art, suitable methods tools and principles are identified and evaluated. Based on this, requirements are derived. The capabilities of existing methods are assessed and the most suitable ones adapted and integrated to the method to assess the potential hazard impact of product changes (MBHPA). The MBHPA reduces the complexity by providing two independent interconnected analyses. To evaluate the product changes, a static propagation analysis is provided. It uses defined graph-rewriting patterns to trace propagations and extract a propagation tree. The affected components in a second step can then be evaluated on their hazard potential. Again graph-rewriting patterns are applied to identify the connected hazards which are visualized in a hazard potential portfolio. The MBHPA is implemented and evaluated with the industrial case of an automated coffee machine. The evaluation underlines that the MBHPA successfully identifies possible propagations and their effect on hazards from a static perspective. It helps to improve safety awareness and traceability and reduces the required experience.

Impacts of Vending Practices on the Microbiological Quality of Bread in the Ojoo Area of Ibadan, Oyo-State, Nigeria

2019 ◽  
Vol 15 (1) ◽  
pp. 31-39
Author(s):  
Oluwadara Oluwaseun Alegbeleye ◽  
Wasiu Akinloye Oyebisi Afolabi ◽  
Beatrice Oluwatoyin Opeolu ◽  
Amin Mousavi Khaneghah
Keyword(s):  
Food Safety ◽  
Microbiological Quality ◽  
Bacillus Species ◽  
Potential Hazard ◽  
Safety Regulations ◽  
Bacillus Flexus ◽  
Microbiological Methods ◽  
Key Factor ◽  
Quality Of Food

Background: Bacterial counts in ready-to-eat foods are a key factor in assessing the microbiological quality and safety of food. Periodic assessment of the microbiological quality of food is necessary to develop a robust database and help to ensure food safety. </P><P> Methods: The bacterial contamination of a total of 336 bread samples collected from two bakeries and 10 vendors in Ojoo Area of Ibadan, Oyo-State, Nigeria (December 2014 -June 2015) was evaluated. The microbiological quality of the bread loaves was investigated using standard microbiological methods (morphological, phenotypic and molecular characterization). </P><P> Results: The results showed that the number of contaminated samples among the vended bread samples was higher than the bakery bread samples and can be summarized as Bacillus megaterium (4.30%), Staphylococcus arlettae (0.005%), Staphylococcus saprophyticus (2.78%), Citrobacter freundii (2.40%), Bacillus flexus (1.64%), Bacillus species (49.59%), Pseudomonas aeruginosa (4.12%), Pseudomonas fluorescens (0.92%), Pseudomonas species (0.045%), Escherichia coli (30.44%) Klebsiella sp. (0.040%) and Aeromonas hydrophila (3.72%). </P><P> Conclusion: The findings demonstrate that the bread samples which become contaminated after transport and handling can be considered a potential hazard to human health in the area. More stringent adherence to food safety regulations should be encouraged and enforced by the appropriate authorities. The findings of this study may be adopted to improve the hygienic conditions of bread distribution chain in the area as well as in other regions of the World.

scholarly journals Study of Dispersion Hazard Potential of The LPG Stations Around the RDE Site in Rainy and Dry Season

2018 ◽  
Vol 20 (1) ◽  
pp. 17
Author(s):  
Siti Alimah ◽  
June Mellawati
Keyword(s):  
Wind Speed ◽  
Wind Direction ◽  
Power Reactor ◽  
Dry Season ◽  
Potential Hazard ◽  
Hazard Potential ◽  
Liquid Petroleum Gas ◽  
Atmospheric Data ◽  
Valve Leakage ◽  
Site Evaluation

STUDY OF DISPERSION HAZARD POTENTIAL OF THE LPG STATIONS AROUND THE RDE SITE IN RAINY AND DRY SEASON. There are two LPG station (SPPBE) which are the depot of filling, storage and distribution of  Liquid Petroleum Gas (LPG) namely PT. BM and PT. ISR which the distance each are 2,995 and 4,141 km from Experimental Power Reactor (RDE) site with capacity 15 and 30 tons. LPG station is a stationary source, which is one aspect of the external human induced events that need to be analyzed in the preparation of site evaluation reports to obtain site permits. Hazard potential that may occur from the depot LPG are fire, explosion and dispersion of hazardous and toxic gas. The release of LPG due to valve leakage which is then dispersed at a certain dose has potentially harmful to health, even death to the population around  the RDE site. The purpose of the study was to know the effect of seasons (rainy and dry) to the potential hazard of LPG dispersion from LPG truck tank valve to the around RDE site. The method of study are collection the atmospheric data such as wind direction and speed, temperature and humidity, collection the station LPG characteristic, such as mass of gas, diameter and length of tank, and valve diameter, etc. The atmospheric data was obtained from Pondok Betung Climatology Station, in dry, transition, and rainy seasons, furthermore data was analyzed using ALOHA software version 5.4.5. The results show dispersion from LPG release due to valve  leakage from PT. BM and PT. ISR around the RDE site, in the dry season (April), the transition (January and July) as well as the rainy season (October) does not hazardous to the RDE site. Maximum threat zone occurs in dry season at April (wind speed 1.54 m/s), which reaches radius 179 m with airborne LPG concentration 5500 ppm, radius 111 m with concentration 17000 ppm and radius 71 m with concentration 53000 ppm.

IMPLEMENTASI LEMBAR PENILAIAN POTENSI BAHAYA BERDASARKAN FRAMEWORK PENILAIAN POTENSI BAHAYA IDEACM DI INDUSTRI MENGGUNAKAN PENDEKATAN ERGONOMI MAKRO (STUDI KASUS: PT XYZ)

2020 ◽  
Vol 6 (1) ◽  
pp. 45
Author(s):  
Dinda Okta Dwiyanti Ridwan Gucci ◽  
Yopy Mardiansyah
Keyword(s):  
Production Process ◽  
Hazard Assessment ◽  
Health Problems ◽  
Comprehensive Assessment ◽  
Potential Hazard ◽  
Work Time ◽  
Work Station ◽  
Hazard Potential ◽  
Surrounding Environment ◽  
Assessment Sheet

Hazard is something that can potentially cause harm. Losses can be in the form of health problems or injuries to humans (workers), loss of work time, damage to property, area or workplace, products or damage to the surrounding environment, losses in the production process or other damages. Therefore, need for a comprehensive assessment of potential hazards. The purpose of this hazard assessment is to find out how much potential hazards the work station has. In this problem requires a solution in order to calculate how much the overall potential hazard, so the solution is to use a potential assessment sheet with a macro ergonomics approach. In the final results of the hazard potential assessment sheet is given a ranking, in order to determine the largest to the smallest potential at the work station. It also provides a quick conclusion to determine the potential hazards of macro ergonomic elements that must be carried out in advance in order in the ranking.

Research on Scales Reflecting Cup Based on Scheme Macro Language Programming

2015 ◽  
Vol 729 ◽  
pp. 228-233
Author(s):  
Zhi Qin Huang ◽  
Li Pu Huang ◽  
Lian Di Zhao
Keyword(s):  
Light Emitting Diode ◽  
Fourth Generation ◽  
Photoelectric Conversion Efficiency ◽  
Product Model ◽  
Photoelectric Conversion ◽  
Light Emitting ◽  
New Energy ◽  
Long Life ◽  
Increasing Demand ◽  
Renewable Energy Storage

The increasing demand for energy, non-renewable energy storage on Earth drastic drop in the new energy is in exploring the application stage, humans had to find a way for existing energy saving. LED (Light Emitting Diode) as a fourth-generation light source and its high photoelectric conversion efficiency, environmental protection, long life, the application of many changes and other advantages of the various countries on the national lighting issues[1]. This paper researched scales reflecting cup and Scheme macro language programming briefly, explained the program about scales reflecting cup written by Scheme macro language and the process of using TracePro software to product model briefly, then compared with traditional reflecting cup and analyzed.

scholarly journals Research and analysis of production safety regulations for building and sanitary ceramic enterprises

2021 ◽  
Vol 236 ◽  
pp. 05010
Author(s):  
Shanyu Liu ◽  
Kaifang Wang ◽  
Yunli Wang ◽  
Haibo Dang ◽  
Fan Zhang
Keyword(s):  
Safety Management ◽  
Measurement Scales ◽  
Safety Standards ◽  
Safety Regulations ◽  
Production Safety ◽  
Sanitary Ceramic ◽  
Safety Awareness ◽  
Basic Work ◽  
Safety Production ◽  
Ceramics Industry

Production safety standards are the foundation of industry safety supervision, the basic requirements and measurement scales for production enterprises to achieve management standardization, onsite standardization, and operation standardization. They are the foundation for the construction and sanitary ceramics industry to consolidate safety management, improve the intrinsic safety of equipment, and strengthen personnel safety awareness, The implementation of the main responsibility of enterprise safety production and the necessary requirements for building a long-term safety production mechanism are also the basic work of safety development. This article mainly studies and analyzes the current situation of production safety in the construction and sanitary ceramics industry and the overall situation of the existing safety production standards in this industry. Summarized the necessity and urgency of implementing the production safety regulations of building and sanitary ceramics enterprises.

Digitalization of Interlocking System to Optimize Logistics in Railway Transportation

2020 ◽  
Vol 7 (1) ◽  
pp. 24-36 ◽  
Author(s):  
Sipho Nzama ◽  
Arnesh Telukdarie
Keyword(s):  
Resource Allocation ◽  
Human Resources ◽  
Crucial Role ◽  
New Technology ◽  
Railway Transportation ◽  
Traditional Methods ◽  
Safety Regulations ◽  
Railway Infrastructure ◽  
Railway Industry ◽  
Increasing Demand

Effective logistics management plays a crucial role in the railway industry for transporting goods and people. There is a need to improve the railway infrastructure to meet today's increasing demand for railway transportation. Digitalising the railways help improve the old dilapidated infrastructure which could cause train delays in railway logistics. Interlocking testing is a priority, requiring stringent procedures guided by rail safety regulations. Historically interlocking testing required significant protocols and effort resulting in expensive resource allocation in the form of personnel, equipment, and time. This study examines modernised technology that presents the new configuration setup and improves processes that can potentially replace traditional methods. The findings of this study prove that the use of this new technology in railways can significantly reduce the amount of time spent on this process, increase the reliability, and save on human resources.

scholarly journals Fingerprint positioning of users devices in long term evolution cellular network using K nearest neighbour algorithm

2021 ◽  
Vol 11 (1) ◽  
pp. 528
Author(s):  
Mohammed J. Alhasan ◽  
Sarmad Muneer Abdulhussein ◽  
Ali H. K. Khwayyir
Keyword(s):  
Federal Communications Commission ◽  
Position Estimation ◽  
Location Based Services ◽  
Nearest Neighbour ◽  
Frequency Pattern ◽  
Macro Cell ◽  
Safety Regulations ◽  
Term Evolution ◽  
Increasing Demand

The rapid exponential growth in wireless technologies and the need for public safety has led to increasing demand for location-based services. Terrestrial cellular networks can offer acceptable position estimation for users that can meet the statutory requirements set by the Federal Communications Commission in case of network-based positioning, for safety regulations. In this study, the proposed radio frequency pattern matching (RFPM) method is implemented and tested to determine a user’s location effectively. The RFPM method has been tested and validated in two different environment. The evaluations show remarkable results especially in the Micro cell scenario, at 67% of positioning error 15m and at 90% 31.78m for Micro cell scenario, with results of 75.66m at 67% and 141.4m at 90% for Macro cell scenario.

Design of Assembly Systems for Large-Scale Battery Cells

2013 ◽  
Vol 769 ◽  
pp. 11-18
Author(s):  
Jakob Kurfer
Keyword(s):  
Large Scale ◽  
Lithium Ion ◽  
Assembly Systems ◽  
Product Complexity ◽  
Lithium Ion Cells ◽  
The Social ◽  
Core Components ◽  
Increasing Demand ◽  
Electro Mobility ◽  
Structure And Design

The social and technical trends regarding electro mobility and the turnaround in energy policy cause an increasing demand on large-scale and high-quality lithium-ion cells as core components for electrical storage systems. Within the production of lithium-ion cells, cell assembly has to deal with diverse challenges which result from product complexity and a lack of production experience. This paper covers the design of assembly systems for large-scale lithium-ion cells and presents the enhancement of conventional design processes by three add-on modules. The first one is an analysis of product structure and design focus points and is described in this paper. The modules two and three are outlined.

scholarly journals Ro – Ro Ferry safety: do the passengers aware the safety aspects during voyage?

2018 ◽  
Vol 181 ◽  
pp. 04004
Author(s):  
Antoni Arif Priadi ◽  
Lili Purnama Sita ◽  
Vidia Selasdini ◽  
Retno Sawitri Wulandari
Keyword(s):  
Gap Analysis ◽  
Analysis Method ◽  
Safety Aspects ◽  
Safety Awareness ◽  
Safety Knowledge

Beginning of 2017, the society had been shocked by the ship accident which occurred at Kepulauan Seribu Jakarta which had caused the death of dozens passengers on board who died are likely to be caused by panic and do not know what should to do. The objective of research is to gather the information related to the safety knowledge of Ro-Ro ferry passengers during voyage at sea. The gap analysis method is applied to find the differences between perception and expectation of Ro-Ro ferry passenger towards safety aspects. The result indicated that there is gap for all variables which can be categorized into three groups. The results give the important point for developing further approach to avoid similar incident in the. Further research on the detail approach need to be carried out which focus on the effective way in increasing the safety awareness of Ro-Ro ferry passenger.

scholarly journals Mengukur Potensi Bahaya dan Resiko Kecelakaan Kerja dengan Metode Hazard and Operabillity Study pada Aktivitas Maintenance

2021 ◽  
Vol 23 (2) ◽  
pp. 121-131
Author(s):  
Dede ◽  
Winarno
Keyword(s):  
Health And Safety ◽  
Pulp And Paper ◽  
Paper Machine ◽  
Potential Hazard ◽  
Pulp And Paper Mills ◽  
Paper Mills ◽  
Safety Regulations ◽  
Work Area ◽  
Work Accidents ◽  
Maintenance Activities

Work accidents are things that must be avoided, so that's not inflicted loss on the company and the workers. However, several workers still not pay attention to occupational health and safety regulations and in the work area still found several potential hazards. The research is conducted at PT Pindo Deli Pulp and Paper Mills Indonesia in Karawang Regency and focuses on preventive and corrective maintenance activities that prevent paper machine breakdown. The purpose of this study is to measure how big the potential hazard and impact by using Hazard and Operability Study (HAZOP) method. This method is a systematic study, which aims to find the factors that causing work accidents and find out how big the potential accidents and their impacts. The data is collected by distributing questionnaires to the employee. The results show that hazards caused by the work area and the workers themselves are 18% and 82%, respectively. Based on the severity, the number of extreme, high, medium and low risk hazards are 1, 8, 1 and 1, respectively.

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