Purpose or research is to find solvable tasks for increasing the effectiveness of collaborative interaction between people and robots in ergatic robotic systems, or, in other words, in collaborative robotic systems. Methods. A comprehensive analysis of works published in highly rated peer-reviewed open-access scientific publications was carried out to achieve this goal. Main terms and concepts of collaborative robotics are described in § 1 and their current understanding in the research community is also described. The structure of workspaces in interaction zone of a person and robot is described. The criteria for assigning robot to the class of collaborative ones are also described. The criteria for safe interaction of a person and robot in a single workspace is described in § 2. Various grounds for classifying human-robot interactions in collaborative RTAs are described in § 3. Results. A significant part of published works about collaborative robotics is devoted to the organization of safe man and robot interaction. Less attention is paid to the effectiveness improvement of such interaction. An up-to-date task in the problem of efficiency improvement of collaborative robotic systems is the identification of tasks that have already been solved in other areas - in particular, in the field of organizational systems management. The possibility of using the term "team" for collaborative robots in a collaborative PTC is stated in § 4. A formal problem setting of optimal distribution in teamwork of collaborative robots, similar to the problem of heterogeneous team formation in the theory of organizational systems management is proposed in § 5. Conclusions. Proposed task setting of optimal distribution of works in collaborative robots’ team shows possibility of using results obtained in group of mathematical models of commands formation and functioning for control of collaborative robotic systems in order to increase efficiency of people and robots interaction. It is prospectively to continue the search for adapting models and governance mechanisms to the theory of organizational system management and integrated activities methodology.
The study describes a collaborative robot (cobot) as one of the types of intelligent robotics and its distinctive features compared to other types of robots. The paper presents a collaborative robotic system as a single complex system in which actors of different types – cobots and human workers – perform collaborative actions to achieve a common goal. Elements of a collaborative robotic system, as well as processes and entities that directly influence it are represented. The key principles of Human-Robot Collaboration are described. A collaborative robotic system is analyzed both as a multi-agent system and as a mixed team, whose members are heterogeneous actors. The relevance of the work lies in a weak level of research on issues of formation of mixed teams of people and cobots and distribution of tasks in such teams, taking into account features of these two types of participants and requirements of their safe collaboration. This work focused on a formation of mixed teams of elements of a single complex human-cobot system, the distribution of tasks among the members of such teams, taking into account the need to minimize costs for its participants and the heterogeneity of the team. As part of the study, the problem of forming a mixed heterogeneous team of people and cobots, and distribution of work among its members, as well as the corresponding mathematical description are presented. Specific cases of the problem, including different cost functions of different types of participants, a limited activity of the team’s members, the dependence of the cost function of the participants of one type on the number of participants of another type, as well as an arbitrary number of works assigned to the team’s members are considered.
This paper deals with the problem of managing the risks of complex systems under targeted attacks. It is usually solved by using Defender–Attacker models or similar ones. However, such models do not consider the influence of the defending system structure on the expected attack outcome. Our goal was to study how the structure of an abstract system affects its integral risk. To achieve this, we considered a situation where the Defender knows the structure of the expected attack and can arrange the elements to achieve a minimum of integral risk. In this paper, we consider a particular case of a simple chain attack structure. We generalized the concept of a local risk function to account for structural effects and found an ordering criterion that ensures the optimal placement of the defending system’s elements inside a given simple chain structure. The obtained result is the first step to formulate the principles of optimally placing system elements within an arbitrarily complex network. Knowledge of these principles, in turn, will allow solving the problems of optimal allocation of resources to minimize the risks of a complex system, considering its structure.
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