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Volume 4 (2008): Issue 1 (March 2008)

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Journal Details
Format
Journal
eISSN
2083-4608
ISSN
1895-8281
First Published
26 Feb 2008
Publication timeframe
4 times per year
Languages
English

Search

Volume 5 (2008): Issue 2 (June 2008)

Journal Details
Format
Journal
eISSN
2083-4608
ISSN
1895-8281
First Published
26 Feb 2008
Publication timeframe
4 times per year
Languages
English

Search

19 Articles
Open Access

Evaluation of Failure Probability of Ships on the Baltic Sea by Means of Simulation Model and Statistical Data

Published Online: 11 Jul 2008
Page range: 5 - 23

Abstract

Evaluation of Failure Probability of Ships on the Baltic Sea by Means of Simulation Model and Statistical Data

The ship technical failures contribution in overall number of navigational accidents are significantly smaller than those caused by human factor but in safety analysis they cannot be neglected. The paper presents stochastic modeling the technical failures of ships with respect of most important ship systems such as main engine, power generators and steering gear. The data for simulation was obtained from analysis of ships statistical data of polish owners. Obtained results could be useful for estimation of transport loses or potential environmental threats and planning the response action against them.

Keywords

  • ships failure probability
  • simulation model
  • stochastic model
Open Access

Selected Systems of Seagoing Vessel Safety

Published Online: 11 Jul 2008
Page range: 25 - 38

Abstract

Selected Systems of Seagoing Vessel Safety

A seagoing vessel is an autonomous means of transport adapted for performing definite tasks. According to the International Convention on Safety of Life at Sea SOLAS 1974 vessels for transport tasks are divided into passenger and cargo vessels. In the Convention mentioned there are a number of requirements concerning safety determining the vessel's seaworthiness.

The article attempts to assess the effect of particular vessel safety systems on the decrease of accident rate and their results.

Keywords

  • maritime transport
  • ship's safety
Open Access

A Decision Making Model to Select the Technology in an Enterprise

Published Online: 11 Jul 2008
Page range: 39 - 54

Abstract

A Decision Making Model to Select the Technology in an Enterprise

Each enterprise employs the technologies to make its products which are being continuously adapted to meet the needs of the changing market. The changes to the environment states affect particularly the decisions regarding selection or change of these technologies. There are significant elements in the environment having crucial influence on this decision choosing process. Therefore, creating a decision making model to select the technology in an enterprise depending on the changes of the environment element states may be a tool to support the decision making process.

Keywords

  • enterprise
  • environment
  • technology
  • decision making process model
Open Access

Statistical Analysis of Reliability Field Data When Working Conditions are Imprecisely Reported

Published Online: 11 Jul 2008
Page range: 55 - 70

Abstract

Statistical Analysis of Reliability Field Data When Working Conditions are Imprecisely Reported

In contrast to laboratory lifetime tests reliability field tests are usually performed in conditions which vary in time in a random way. We consider the case when users are asked about their description of their vague perceptions of the usage conditions. In the paper we use interval-valued variables for the description of imprecisely known test conditions that may be used as covariates in classical reliability models. We present a simple approximate algorithm for a proportional hazard lifetime model.

Keywords

  • field reliability data
  • interval-valued data
  • proportional hazard
Open Access

Safety of Corporation Electronic Mail Servers

Published Online: 11 Jul 2008
Page range: 71 - 83

Abstract

Safety of Corporation Electronic Mail Servers

The article describes potential threats for safety of corporation electronic mail servers. Electronic mail servers deliver the corporation the environment to communication with business partners, customers and employees. The unsolicited bulk mail, also known as a spam, can be the cause of improper work of the firm electronic mail system. The spam is one of channel to transmission of the malicious code, which can be used to attack on the corporation local area network. The publication describes potential threats for information security, which is transmitted through the mail servers. The article analyze some methods of reducing the risk of spam strike.

Keywords

  • electronic mail servers
  • risk reduction
  • spam
  • safety of corporation email servers
Open Access

Methods of Checking the Reliability of Software Applications in the Avionic Systems Integrated Along the Digital Databus MIL-1553B

Published Online: 11 Jul 2008
Page range: 85 - 100

Abstract

Methods of Checking the Reliability of Software Applications in the Avionic Systems Integrated Along the Digital Databus MIL-1553B

This The paper presents results of research that was carried out in the Air Force Institute of Technology (ITWL) with respect to test whether information in the avionic systems integrated along the digital databus MIL-1553B is processed correctly. The second part goes into details related to methods that are used in the ITWL to test the MIL-1553B databus on the stages when start up and validation of an integrated avionic system are carried out, in particular those that were applied for upgrading of aircrafts operated by the Air Forces of the Republic of Poland.

Keywords

  • integrated avionic systems
  • research methods
Open Access

Disturbances in Vessel Traffic Stream Due to Fairway Regulations

Published Online: 11 Jul 2008
Page range: 101 - 112

Abstract

Disturbances in Vessel Traffic Stream Due to Fairway Regulations

All regulations disturb the randomness of the vessel traffic stream. In the present paper the effect of the following regulations on the vessel traffic stream has been analysed: the order to maintain minimum distance between successive vessels, speed limit, overtaking ban, passing ban. These regulations disturb the Poissonian nature of the stream of reports. Using the method of random variables convolution the density function of probability was determined of the disturbed vessels' stream of reporting for particular factors controlling traffic on the fairway.

Keywords

  • vessel traffic
  • Poisson process
  • convolution of distribution
  • port regulations
Open Access

The Overtaking of Ships in Restricted Areas

Published Online: 11 Jul 2008
Page range: 113 - 127

Abstract

The Overtaking of Ships in Restricted Areas

There are many close quarter situations at sea, especially in narrow channels. The problem of overtaking on fairways is a complex issue. Navigation, when carried out in such areas causes reduce of a vessel's safety level, it is necessary to consider limits: ship's particulars, fairway's parameters, human factor, vessel traffic. If these factors are not considered during overtaking, it will cause ship out of fairway or collision. The article will contain the results of researches for overtaking manoeuvre on a traffic lane. These research was performed on training models to appoint safe distance for commence overtaking.

Keywords

  • overtaking distance
  • collision
  • decision-making process
Open Access

Unmanned Aerial Vehicle Used for Security Over the Baltic Sea

Published Online: 11 Jul 2008
Page range: 129 - 138

Abstract

Unmanned Aerial Vehicle Used for Security Over the Baltic Sea

The paper presents new unmanned aerial vehicle (UAV) design for Regional and The Local Marine Fishery Inspectorates. Its specific design and maintenance specification allows to increase control abilities and will be the reason for increasing security of the sea sailing.

Keywords

  • UAV
  • technical object
  • engineering
Open Access

Models of Ships Groudings on Coastals Areas

Published Online: 11 Jul 2008
Page range: 139 - 156

Abstract

Models of Ships Groudings on Coastals Areas

The paper presents description of models of ships groundings probability assessment on coastal areas. It also presents assumptions and preliminary results of new grounding model developed in Maritime University in Szczecin. This model was used in stochastic simulation model of comprehensive navigational safety assessment.

Keywords

  • grounding model
  • fault tree
  • Bayesian methods
  • geometric probability
Open Access

Methods of Reliability Index Determination Concerning Municipal Water Quality

Published Online: 11 Jul 2008
Page range: 157 - 173

Abstract

Methods of Reliability Index Determination Concerning Municipal Water Quality

Two - parametric method was used for evaluating a reliability of Water Treatment Plant, making use of an availability - K and the Mean Down Time - T. It has been developed a method of defininitioning the reliability indexes for drinking water in an aspect of its physical and chemical quality.

Keywords

  • water quality
  • reliability indexes
Open Access

Risk in Water Supply System Crisis Management

Published Online: 11 Jul 2008
Page range: 175 - 190

Abstract

Risk in Water Supply System Crisis Management

Water supply system belongs to the so called critical infrastructure of cities, and it should be a priority task for waterworks and even for the local authorities to ensure the suitable level of its safety. This system is characterised by its continuous work and requires high reliability level for its operating as well as for its safety, it is unique and its particular elements have different functions and simultaneously they interact forming an integral whole. The main aim of this paper is to present problems associated with water supply system safety management in a crisis situation.

Keywords

  • water supply system
  • risk management
Open Access

Human Reliability at Ship Safety Consideration

Published Online: 11 Jul 2008
Page range: 191 - 206

Abstract

Human Reliability at Ship Safety Consideration

Human reliability is one of main factors which influence safety at maritime transport. The tendency of decreasing the crew number can growth the human fatigue factor. So it's necessary to analyze human fatigue and human reliability for seaman as factors which can cause the ship catastrophe.

Keywords

  • human error
  • human factors
  • reliability
  • ship safety
Open Access

Method of Prediction of Reliability Characteristics of A Pumping Station on the Base of Diagnostic Information

Published Online: 11 Jul 2008
Page range: 207 - 237

Abstract

Method of Prediction of Reliability Characteristics of A Pumping Station on the Base of Diagnostic Information

It the assessment of technical state in process of opinion of state ability technical object was required (diagnostics) and the reliability state (theory of reliability). It the investigation of relationships in article was conducted between diagnostic state and reliability of technical object. It the innovatory method of use the diagnostic information was introduced in figure "the numbers of diagnostic threshold" to mark of reliability profiles of object. It was passed method the use so the appointed reliability profiles in process of optimization of service given technical object.

Keywords

  • object in surroundings
  • technical state
  • reliability state
  • diagnostic threshold
  • number of crossings of diagnostic threshold
Open Access

Factors determining Vessel Safety Assessment in Operation

Published Online: 11 Jul 2008
Page range: 239 - 254

Abstract

Factors determining Vessel Safety Assessment in Operation

Approval of higher risk level causes accidents during vessel operation. Binding rules of vessel safety assessment and risk level strictly adhered to regulations do not prevent crew from conscious breaking them. The analysis of reasons of higher risk level acceptance will be presented in this article. The methods of risk analysis will be described in reference to safety vessel operation rules breaking.

Keywords

  • safety assessment
  • vessel safety
  • risk assessment
  • vessel operation
Open Access

Some Aspects of Safety Management in Air Transport

Published Online: 11 Jul 2008
Page range: 255 - 269

Abstract

Some Aspects of Safety Management in Air Transport

Question of assuring safety in civil aviation is closely related to development of technical means and organization of air transport. Requirements of international and European Union aviation law in safety management are differently defined and based on different methods.

The paper presents results of review of these methods in area of assuring and management of safety in air traffic. It also describes reactive and proactive methods and strategies of safety and risk management as well as tools and models of quality management system used for safety analysis.

Keywords

  • air traffic
  • air transport
  • safety standards
Open Access

Risk Acceptation Principles in Transport

Published Online: 11 Jul 2008
Page range: 271 - 290

Abstract

Risk Acceptation Principles in Transport

In this paper are presented few methodological problems related to valuing and acceptation risk in transport. In this lecture are presented such problems as: 1. philosophical, ethical and practical rules of risk acceptation. 2. ALARP, ALARA, GAMAB, MEM principles in relation to risk in transport.

Keywords

  • transport
  • risk acceptation
  • risk management
  • safety transport
Open Access

Availability of the Motorway Emergency Communications

Published Online: 11 Jul 2008
Page range: 291 - 306

Abstract

Availability of the Motorway Emergency Communications

The paper presents issues related to the assessment of availability of one of the motorway telematics systems: the emergency communication system. The essence and tasks of transport telematic systems have been presented in a general outline. The architecture of the fibre optic emergency communication system and the tasks of particular subsystems have also been presented. Using the functional structure and the method of sending information through the system, a method for calculating the availability of the motorway emergency communication system was proposed.

Keywords

  • telematics
  • transport
  • communication system
  • availability
Open Access

Employment of the Research Engineering Simulator for Project and Optimizing Humane - Machine Interface (HMI)

Published Online: 11 Jul 2008
Page range: 307 - 329

Abstract

Employment of the Research Engineering Simulator for Project and Optimizing Humane - Machine Interface (HMI)

In the process of optimizing of the human-machine interface (HMI) for military aircraft, the research-engineering simulator makes the basic testing instrument for the verification of the quality of the process. This paper describes the hardware architecture and the concept of the system of the computer-based engineering simulator. It presents some analyses of software and hardware solutions of the selected test benches of the simulator.

Keywords

  • research-engineering simulator
  • optimizing
  • aircraft operators
19 Articles
Open Access

Evaluation of Failure Probability of Ships on the Baltic Sea by Means of Simulation Model and Statistical Data

Published Online: 11 Jul 2008
Page range: 5 - 23

Abstract

Evaluation of Failure Probability of Ships on the Baltic Sea by Means of Simulation Model and Statistical Data

The ship technical failures contribution in overall number of navigational accidents are significantly smaller than those caused by human factor but in safety analysis they cannot be neglected. The paper presents stochastic modeling the technical failures of ships with respect of most important ship systems such as main engine, power generators and steering gear. The data for simulation was obtained from analysis of ships statistical data of polish owners. Obtained results could be useful for estimation of transport loses or potential environmental threats and planning the response action against them.

Keywords

  • ships failure probability
  • simulation model
  • stochastic model
Open Access

Selected Systems of Seagoing Vessel Safety

Published Online: 11 Jul 2008
Page range: 25 - 38

Abstract

Selected Systems of Seagoing Vessel Safety

A seagoing vessel is an autonomous means of transport adapted for performing definite tasks. According to the International Convention on Safety of Life at Sea SOLAS 1974 vessels for transport tasks are divided into passenger and cargo vessels. In the Convention mentioned there are a number of requirements concerning safety determining the vessel's seaworthiness.

The article attempts to assess the effect of particular vessel safety systems on the decrease of accident rate and their results.

Keywords

  • maritime transport
  • ship's safety
Open Access

A Decision Making Model to Select the Technology in an Enterprise

Published Online: 11 Jul 2008
Page range: 39 - 54

Abstract

A Decision Making Model to Select the Technology in an Enterprise

Each enterprise employs the technologies to make its products which are being continuously adapted to meet the needs of the changing market. The changes to the environment states affect particularly the decisions regarding selection or change of these technologies. There are significant elements in the environment having crucial influence on this decision choosing process. Therefore, creating a decision making model to select the technology in an enterprise depending on the changes of the environment element states may be a tool to support the decision making process.

Keywords

  • enterprise
  • environment
  • technology
  • decision making process model
Open Access

Statistical Analysis of Reliability Field Data When Working Conditions are Imprecisely Reported

Published Online: 11 Jul 2008
Page range: 55 - 70

Abstract

Statistical Analysis of Reliability Field Data When Working Conditions are Imprecisely Reported

In contrast to laboratory lifetime tests reliability field tests are usually performed in conditions which vary in time in a random way. We consider the case when users are asked about their description of their vague perceptions of the usage conditions. In the paper we use interval-valued variables for the description of imprecisely known test conditions that may be used as covariates in classical reliability models. We present a simple approximate algorithm for a proportional hazard lifetime model.

Keywords

  • field reliability data
  • interval-valued data
  • proportional hazard
Open Access

Safety of Corporation Electronic Mail Servers

Published Online: 11 Jul 2008
Page range: 71 - 83

Abstract

Safety of Corporation Electronic Mail Servers

The article describes potential threats for safety of corporation electronic mail servers. Electronic mail servers deliver the corporation the environment to communication with business partners, customers and employees. The unsolicited bulk mail, also known as a spam, can be the cause of improper work of the firm electronic mail system. The spam is one of channel to transmission of the malicious code, which can be used to attack on the corporation local area network. The publication describes potential threats for information security, which is transmitted through the mail servers. The article analyze some methods of reducing the risk of spam strike.

Keywords

  • electronic mail servers
  • risk reduction
  • spam
  • safety of corporation email servers
Open Access

Methods of Checking the Reliability of Software Applications in the Avionic Systems Integrated Along the Digital Databus MIL-1553B

Published Online: 11 Jul 2008
Page range: 85 - 100

Abstract

Methods of Checking the Reliability of Software Applications in the Avionic Systems Integrated Along the Digital Databus MIL-1553B

This The paper presents results of research that was carried out in the Air Force Institute of Technology (ITWL) with respect to test whether information in the avionic systems integrated along the digital databus MIL-1553B is processed correctly. The second part goes into details related to methods that are used in the ITWL to test the MIL-1553B databus on the stages when start up and validation of an integrated avionic system are carried out, in particular those that were applied for upgrading of aircrafts operated by the Air Forces of the Republic of Poland.

Keywords

  • integrated avionic systems
  • research methods
Open Access

Disturbances in Vessel Traffic Stream Due to Fairway Regulations

Published Online: 11 Jul 2008
Page range: 101 - 112

Abstract

Disturbances in Vessel Traffic Stream Due to Fairway Regulations

All regulations disturb the randomness of the vessel traffic stream. In the present paper the effect of the following regulations on the vessel traffic stream has been analysed: the order to maintain minimum distance between successive vessels, speed limit, overtaking ban, passing ban. These regulations disturb the Poissonian nature of the stream of reports. Using the method of random variables convolution the density function of probability was determined of the disturbed vessels' stream of reporting for particular factors controlling traffic on the fairway.

Keywords

  • vessel traffic
  • Poisson process
  • convolution of distribution
  • port regulations
Open Access

The Overtaking of Ships in Restricted Areas

Published Online: 11 Jul 2008
Page range: 113 - 127

Abstract

The Overtaking of Ships in Restricted Areas

There are many close quarter situations at sea, especially in narrow channels. The problem of overtaking on fairways is a complex issue. Navigation, when carried out in such areas causes reduce of a vessel's safety level, it is necessary to consider limits: ship's particulars, fairway's parameters, human factor, vessel traffic. If these factors are not considered during overtaking, it will cause ship out of fairway or collision. The article will contain the results of researches for overtaking manoeuvre on a traffic lane. These research was performed on training models to appoint safe distance for commence overtaking.

Keywords

  • overtaking distance
  • collision
  • decision-making process
Open Access

Unmanned Aerial Vehicle Used for Security Over the Baltic Sea

Published Online: 11 Jul 2008
Page range: 129 - 138

Abstract

Unmanned Aerial Vehicle Used for Security Over the Baltic Sea

The paper presents new unmanned aerial vehicle (UAV) design for Regional and The Local Marine Fishery Inspectorates. Its specific design and maintenance specification allows to increase control abilities and will be the reason for increasing security of the sea sailing.

Keywords

  • UAV
  • technical object
  • engineering
Open Access

Models of Ships Groudings on Coastals Areas

Published Online: 11 Jul 2008
Page range: 139 - 156

Abstract

Models of Ships Groudings on Coastals Areas

The paper presents description of models of ships groundings probability assessment on coastal areas. It also presents assumptions and preliminary results of new grounding model developed in Maritime University in Szczecin. This model was used in stochastic simulation model of comprehensive navigational safety assessment.

Keywords

  • grounding model
  • fault tree
  • Bayesian methods
  • geometric probability
Open Access

Methods of Reliability Index Determination Concerning Municipal Water Quality

Published Online: 11 Jul 2008
Page range: 157 - 173

Abstract

Methods of Reliability Index Determination Concerning Municipal Water Quality

Two - parametric method was used for evaluating a reliability of Water Treatment Plant, making use of an availability - K and the Mean Down Time - T. It has been developed a method of defininitioning the reliability indexes for drinking water in an aspect of its physical and chemical quality.

Keywords

  • water quality
  • reliability indexes
Open Access

Risk in Water Supply System Crisis Management

Published Online: 11 Jul 2008
Page range: 175 - 190

Abstract

Risk in Water Supply System Crisis Management

Water supply system belongs to the so called critical infrastructure of cities, and it should be a priority task for waterworks and even for the local authorities to ensure the suitable level of its safety. This system is characterised by its continuous work and requires high reliability level for its operating as well as for its safety, it is unique and its particular elements have different functions and simultaneously they interact forming an integral whole. The main aim of this paper is to present problems associated with water supply system safety management in a crisis situation.

Keywords

  • water supply system
  • risk management
Open Access

Human Reliability at Ship Safety Consideration

Published Online: 11 Jul 2008
Page range: 191 - 206

Abstract

Human Reliability at Ship Safety Consideration

Human reliability is one of main factors which influence safety at maritime transport. The tendency of decreasing the crew number can growth the human fatigue factor. So it's necessary to analyze human fatigue and human reliability for seaman as factors which can cause the ship catastrophe.

Keywords

  • human error
  • human factors
  • reliability
  • ship safety
Open Access

Method of Prediction of Reliability Characteristics of A Pumping Station on the Base of Diagnostic Information

Published Online: 11 Jul 2008
Page range: 207 - 237

Abstract

Method of Prediction of Reliability Characteristics of A Pumping Station on the Base of Diagnostic Information

It the assessment of technical state in process of opinion of state ability technical object was required (diagnostics) and the reliability state (theory of reliability). It the investigation of relationships in article was conducted between diagnostic state and reliability of technical object. It the innovatory method of use the diagnostic information was introduced in figure "the numbers of diagnostic threshold" to mark of reliability profiles of object. It was passed method the use so the appointed reliability profiles in process of optimization of service given technical object.

Keywords

  • object in surroundings
  • technical state
  • reliability state
  • diagnostic threshold
  • number of crossings of diagnostic threshold
Open Access

Factors determining Vessel Safety Assessment in Operation

Published Online: 11 Jul 2008
Page range: 239 - 254

Abstract

Factors determining Vessel Safety Assessment in Operation

Approval of higher risk level causes accidents during vessel operation. Binding rules of vessel safety assessment and risk level strictly adhered to regulations do not prevent crew from conscious breaking them. The analysis of reasons of higher risk level acceptance will be presented in this article. The methods of risk analysis will be described in reference to safety vessel operation rules breaking.

Keywords

  • safety assessment
  • vessel safety
  • risk assessment
  • vessel operation
Open Access

Some Aspects of Safety Management in Air Transport

Published Online: 11 Jul 2008
Page range: 255 - 269

Abstract

Some Aspects of Safety Management in Air Transport

Question of assuring safety in civil aviation is closely related to development of technical means and organization of air transport. Requirements of international and European Union aviation law in safety management are differently defined and based on different methods.

The paper presents results of review of these methods in area of assuring and management of safety in air traffic. It also describes reactive and proactive methods and strategies of safety and risk management as well as tools and models of quality management system used for safety analysis.

Keywords

  • air traffic
  • air transport
  • safety standards
Open Access

Risk Acceptation Principles in Transport

Published Online: 11 Jul 2008
Page range: 271 - 290

Abstract

Risk Acceptation Principles in Transport

In this paper are presented few methodological problems related to valuing and acceptation risk in transport. In this lecture are presented such problems as: 1. philosophical, ethical and practical rules of risk acceptation. 2. ALARP, ALARA, GAMAB, MEM principles in relation to risk in transport.

Keywords

  • transport
  • risk acceptation
  • risk management
  • safety transport
Open Access

Availability of the Motorway Emergency Communications

Published Online: 11 Jul 2008
Page range: 291 - 306

Abstract

Availability of the Motorway Emergency Communications

The paper presents issues related to the assessment of availability of one of the motorway telematics systems: the emergency communication system. The essence and tasks of transport telematic systems have been presented in a general outline. The architecture of the fibre optic emergency communication system and the tasks of particular subsystems have also been presented. Using the functional structure and the method of sending information through the system, a method for calculating the availability of the motorway emergency communication system was proposed.

Keywords

  • telematics
  • transport
  • communication system
  • availability
Open Access

Employment of the Research Engineering Simulator for Project and Optimizing Humane - Machine Interface (HMI)

Published Online: 11 Jul 2008
Page range: 307 - 329

Abstract

Employment of the Research Engineering Simulator for Project and Optimizing Humane - Machine Interface (HMI)

In the process of optimizing of the human-machine interface (HMI) for military aircraft, the research-engineering simulator makes the basic testing instrument for the verification of the quality of the process. This paper describes the hardware architecture and the concept of the system of the computer-based engineering simulator. It presents some analyses of software and hardware solutions of the selected test benches of the simulator.

Keywords

  • research-engineering simulator
  • optimizing
  • aircraft operators

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