potential for improving the safety of these types of system, when compared to existing approaches. The proposed architecture design separates the control system into two distinct areas, one area responsible for safe operation and the other for coordinating tasks. The architecture design is formed in a hierarchical structure, composed of low-level deliberative control modules and high-level beha...

Abstract It is well known that highway bridges are subjected to fatigue as they work under live loads with different frequencies and amplitude. The safety level for required by Brazilian codes still unknown, especially prestressed concrete girders. Also, current studies on reliability of only evaluate bending. This assesses the provided design standards a bridge, using weigh-in-motion (WIM) dat...

The use of the simulation-based technique in facility layout has been a choice in the industry due to its convenience and efficient generation of results. Nevertheless, the solutions generated are not capable of addressing delays due to worker’s health and safety which significantly impact overall operational efficiency. It is, therefore, critical to incorporate ergonomics in facility design. I...

ANSI/ISA-S84.01-1996 and IEC 61508 require the establishment of a safety integrity level for any safety instrumented system or safety related system used to mitigate risk. Each stage of design, operation, maintenance, and testing is judged against this safety integrity level. Quantitative techniques can be used to verify whether the safety integrity level is met. ISA-dTR84.0.02 is a technical r...

Narrow passageways are a significant source of traffic congestion and delay in transportation networks. With traffic volumes expected to increase significantly in the foreseeable future, the effective management of these passageways is needed to mitigate the undesirable impact of these bottlenecks on transportation system safety, performance and cost. In an effort to address the significant cha...

introduction: patient safety and its requirements fulfillment are today one of the useful valuation indicators in healthcare organizations. thus, patient safety culture and its promotion are referred to as one of the most important issues raised in the country. the present study aims to examine the effective factors (personal and organizational) in patient safety culture from the point of view ...

introduction: global patient safety is the concern of all areas of the health care. in addition to the human suffering in those inflicted unsafe care and services, it has a heavy economic cost. due to the sensitive patient safety in the operation rooms, the present study aimed to assess patient safety in the operating rooms. methods: this was a descriptive cross-sectional study that was conduct...