Block design of a wheelset for railway transport

The paper presents an analysis of the features of geometric contacting of the rolling surfaces of a block design of a wheelset and a rail. The peculiarities of the contact slipping by the rolling surfaces of the contact stresses are considered

Complex security problems of the internet of things

At present, the Internet market of things is constantly expanding; it has covered almost all the most important areas: transport, housing and communal services, industry, agriculture, telecommunications and information technology. In connection with the constant increase in the number of attacks on IoT-devices, the issue of standardization of this technology is quite acute. The features of the of existing solutions and the new proposed Russian NB-Fi standard for IoT are presented in this article from the point of view of information security

Block design of a wheelset for railway transport

The paper presents an analysis of the features of geometric contacting of the rolling surfaces of a block design of a wheelset and a rail. The peculiarities of the contact slipping by the rolling surfaces of the contact stresses are considered