The article describes basic approaches to conducting an efficiency assessment of a nuclear object physical protection system as well as the possibility of creation of the intruder analytical model to determine time indicators of overcoming nuclear object protection boundaries by an intruder with defined characteristics. An intruder uses different tactics and methods to overcome boundaries of protection. A multivariate analysis lays in a basis of research that taking into account psycho-physiological and physical properties of the human organism, intruder equipment level for overcoming of physical barriers.
The article discusses the main issues related to the training and retraining of security services as well as those related to the design, implementation and evaluation of physical protection systems (PPS). The emphasis is on modeling the protected object and creating a "program-information environment" for the construction and evaluation of the main PPS parameters. The paper also presents the main PIE blocks.
Lives are threatened whenever there is an act of theft or destruction against a nuclear and radiological facility thus, physical protection systems are effectively employed to prevent or mitigate loss of valuable assets. Health facilities that provide radiotherapy services have in their facility a temporary storage unit where disused radioactive sources 60Co, 137Cs and 192Ir are kept and this raises concerns for effective physical protection. An integrated physical protection System was considered to consolidate of all sub systems, sensors and elements related to protection system for an effectively secured environment at a radiological facility. Sequence adversary diagram (ASD) was developed to depict the paths that enemies can take to achieve sabotage or stealing objectives and analyze flews in the paths. The approach to this security system effectiveness focuses on using probabilistic statistical methods for risk evaluation considering detection, delays and response. This paper considers the basic and effective elements required for physical protection system for a radiological center and makes risk evaluation as an approach of security system effectiveness which can serve as fundamental guiding principle for decision makers in the establishment of an effective physical protection for a radiological center.
The paper presents an approach to evaluating the effectiveness of physical protection systems (PPS). Considering the fact that different processes are subject to universal physical laws and principles of development, a parallel was drawn between the concepts of conflict resolution field to description of interaction in the system “outsider – PPS”. The description of mathematical model in the form of dependence with respect to the real conflict in the system “outsider – PPS” is given. The result of the model analysis is determination of the parameter, allowing estimating the rate of threat increase in conflict situation. Also competence of PPS operator is considered in the framework of the work. Furthermore, actions of operator were taken as a key factor affecting the efficiency of the whole security system. To resolve identified issues ways to develop special qualities required for the operator and their professional skills through training were suggested. Also the issues of control of psychophysiological characteristics of PPS staff were addressed.
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