conclusion radiology equipment in tehran university of medical sciences have potential capacity, but they need repair, and better maintenance and management and application of standards for the imaging system needs organized supervisory mechanisms. materials and methods the study was performed in 16 hospitals, 4 faculties and three healthcare centers of tehran university of medical sciences. we...

Electric motors are rechargeable products. The important point in the system of maintenance and repair electric is choice optimal strategy. At present most widespread planned preventive However, condition based gaining importance. In this paper, strategy out above-mentioned strategies considered. For purpose, expressions have been developed to determine total costs associated with these for mot...

A strategy is proposed for using control methods of a different nature, which allows increasing the service life, maintaining durability, reliability and safety indicators electromechanical systems electrical equipment electric drives