Securing Safety in Collaborative Cyber-Physical Systems through Fault Criticality Analysis

Collaborative Cyber-Physical Systems (CCPS) are systems that contain tightly coupled physical and cyber components, massively interconnected subsystems, and collaborate to achieve a common goal. The safety of a single Cyber-Physical System (CPS) can be achieved by following the safety standards such as ISO 26262 and IEC 61508 or by applying hazard analysis techniques. However, due to the complex, highly interconnected, heterogeneous, and collaborative nature of CCPS, a fault in one CPS's components can trigger many other faults in other collaborating CPSs. Therefore, a safety assurance technique based on fault criticality analysis would require to ensure safety in CCPS. This paper presents a Fault Criticality Matrix (FCM) implemented in our tool called CPSTracer, which contains several data such as identified fault, fault criticality, safety guard, etc. The proposed FCM is based on composite hazard analysis and content-based relationships among the hazard analysis artifacts, and ensures that the safety guard controls the identified faults at design time; thus, we can effectively manage and control the fault at the design phase to ensure the safe development of CPSs. To validate our approach, we introduce a case study on the Platooning system (a collaborative CPS). We perform the criticality analysis of the Platooning system using FCM in our developed tool. After the detailed fault criticality analysis, we investigate the results to check the appropriateness and effectiveness with two research questions. Also, by performing simulation for the Platooning, we showed that the rate of collision of the Platooning system without using FCM was quite high as compared to the rate of collisions of the system after analyzing the fault criticality using FCM.Comment: This paper is an extended version of an article submitted to KCSE-202

Study of the indoor decontamination using nanocoated woven polyester fabric

This research primarily deals with the photocatalytic degradation of methanol in indoor air using nanocoated indoor textiles used for curtains as household textiles. The woven polyester was coated by titanium dioxide by sol gel method, using silicon-based binder. The characterization of the coating has been done using scanning electron microscopy (SEM) image analysis, energy dispersive analysis using X-ray (EDAX) and Fourier transform infrared spectroscopy (FTIR). The DIY instrument providing the similar environment as of indoor was designed to assess the performance of the degradation of formaldehyde under UV light. The photocatalytic degradation rate was measured using the absorption value of the solutions obtained in the result of liquid chromatography of test solution and reagent solution. Different amount of dosages (1–3 %) and different time period of coatings (half hour to 3 h) have been evaluated for optimization

EMPIRICAL INVESTIGATION OF PRIVATIZATION PROCESS IN PAKISTAN: EVIDENCE FROM STATISTICAL EXPERIENCE

Why privatization processes fall short to deliver expected result in Pakistan. To answer this question, current study aims is to examine the privatization process in the Pakistan. The privatization process is dividing into four sections, privatization policy, buyer selection in the privatization process, assets evaluation and the factors affecting the development after privatization. The main objective of the study is to see the influence of development after privatization on the relationship between privatization policy, buyer selection in the privatization process, assets Evaluation and Privatization process improvement. Detailed survey based on the structured questionnaire is enquired through random sampling technique. Structured Equation Model (SEM) has been used for making an analysis. The finding of the study concludes that development process privatization mediates the between privatization policy, buyer selection in the privatization process, assets Evaluation and Privatization process improvement.  The findings of the study advocate that the privatization policy, buyer selection process, assets evaluation methods must be in line with the objective of government and line ministry. This effort may help for getting the optimum level of result from privatization process

EMPIRICAL INVESTIGATION OF PRIVATIZATION PROCESS IN PAKISTAN: EVIDENCE FROM STATISTICAL EXPERIENCE

Why privatization processes fall short to deliver expected result in Pakistan. To answer this question, current study aims is to examine the privatization process in the Pakistan. The privatization process is dividing into four sections, privatization policy, buyer selection in the privatization process, assets evaluation and the factors affecting the development after privatization. The main objective of the study is to see the influence of development after privatization on the relationship between privatization policy, buyer selection in the privatization process, assets Evaluation and Privatization process improvement. Detailed survey based on the structured questionnaire is enquired through random sampling technique. Structured Equation Model (SEM) has been used for making an analysis. The finding of the study concludes that development process privatization mediates the between privatization policy, buyer selection in the privatization process, assets Evaluation and Privatization process improvement.  The findings of the study advocate that the privatization policy, buyer selection process, assets evaluation methods must be in line with the objective of government and line ministry. This effort may help for getting the optimum level of result from privatization process

Issues & Challenges to Cross LoC Trade

This study aims to explore the issues and challenges to the Cross LoC Trade which is a good gesticulation as a part of CMBs in consolidating the relations between the people living on both sides of divided Kashmir. The traders and business community across LoC have reinvigorated this initiative since its commencement as they have been dynamically involved to conduct this trade. This is the main reason that despite all the hurdles, the volume of this trade is constantly increasing. However, the local community is apathetic in this trade as goods coming from other part of LoC reach straight to the Pakistani markets through Azad Kashmir and then after repacking, these items once again reach the local markets in Azad Kashmir, making the goods is expansive and not expedient for the local peoples in Azad Kashmir. On the other hand, the Cross LoC trade has been very supportive in reducing tensions between both the traditional contenders (Indian and Pakistan) as the number of firing incidents across LoC have been greatly reduced since its derivation. Despite the success, there are certain concerns which need to be addressed immediately otherwise the future of Cross LoC trade in the existing environment looks obscure.&nbsp