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The oretical and empirical dependences of contact rigidity in a fixed joint at the first and repeated loadings upon engineering methods of a joint surface treatment are presented. There are shown data on potentialities of engineering methods of treatment in support and increase of contact rigidity.

The aim of the work is to develop a general structure of the stand that simulates the operation of systems and means of automation of equipment for tank farms of oil products using modern hardware and software, for researching the operation of algorithms for protection and interlocks, alarms and automatic control in accordance with the current regulatory documentation based on modern micro- processor systems. The method of system analysis, the theory of automatic control, structural solutions of human-machine systems intended for the automation of production and intelligent support of control processes and the necessary data processing in organizational, technological and distributed control systems were used. The concept of the stand, the block diagram of the control system and the hydraulic diagram of the stand have been developed. The novelty of the work lies in the creation of a compact model of a tank farm with a complex distributed control system for researching its operation.

The system of automatic control of temperature in chambers three-zone furnace with PID algorithm. Presented educational stand, imitating the work of a three-zone furnace, with independent control of each of the three zones, with microprocessor PID controller model TRM101 company "OWEN". The stand can work both independently and under the control of the SCADA-system.

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