The sample size calculation for linear multiple regression with three groups and six time points was performed using G*Power (version 3.1). According to the HRP results from phase 1 study [37] in the GREAT project (Cohen’sf2 = 0.1), a sample of 144 glaucoma patients will be needed ...
Bearing Current Problems: Causes, Symptoms, and Solutions.(Electric motors driven equipment) The vast majority of bearing failures in electric motors and electric motor-driven equipment are due to mechanical and thermal cause. In across-the-line driven motors, current-related bearing failures can occu...
one for my LEAF which is six years old with the original 12 volt battery. The other I use on the Bolt. This not necessary if you drive and/or charge every day. Both processes maintain the accessory battery. It is worth mentioning that many strange symptoms in electric cars are the resul...
electric power steering system (EPS); hardware-in-the-loop simulation (HIL); fault detection; diagnostics; vehicle; automotive1. Introduction In recent years, a change from hydraulic systems (hydraulic power steering; HPS) to purely electrically operated steering systems (electric power steering; EPS...