A power system uses control mechanisms to supply the continuous variations in demand, without difference between generation and demand and to deliver energy with minimum requirements of frequency, voltage and reliability. ...

The need for unmanned aerial vehicle (UAV) is a Brazilian reality in the worlds agricultural, once they have models penetrating the market with agrictural purpose. After processing, the images collected by a UAV can generate ...

Because the importance and evolution of internal and external auditing with respect to profession risks and its components, and the responsibilities of both the auditor and the auditee, it is necessary to evaluate the ...

Companies that do not have adequate internal controls are likely to buy wrong, with higher prices than it should, or sell their products below the price without the proper ownership costs, which generates sales with losses, ...