Shaft position sensing is an essential part of switched reluctance (SR) motor drive In order to synchronize the pulses of phase current with the period of rising inductance of the proper motor phase. Direct sensors such as, Hall effect and optical encoder are commonly used in SR motors. The purpose of this paper is to present an indirect shaft positioning sensing known as "sensorless " control ...

Introduction: The characteristic morphology of the proximal extremity femur and muscle balance hip are factors that make weight bearing possible among patients. Restoration neck shaft angle is as important union because if not restored, it can lead to disability. Recent studies have been conducted with intention showing relationship between fracture anatomical configuration hip. This study was ...

Background: The angle between femur neck and the long axis of shaft is known as which plays vital role in stability, control lateral balance, walking hip movements. main goal was to compare NSA intertrochanteric fracture immediately after surgical fixation using either Dynamic Hip Screw or Proximal Femoral Nail. In elderly among all fractures approximately half are out 50% unstable.Method: X-ra...

PURPOSE Good results of the cephalomedullary nails have been reported in proximal femoral fractures recently. Based on length of nails and shape of screws fixed in a femoral head for proximal fragment fixation, the proper nail length was in dispute. The purpose of this study was to evaluate the clinical and radiological results of a long cephalomedullary hip nail for the treatment of comminuted...

BACKGROUND AND PURPOSE The rare displaced fractures of the femoral neck in children need accurate reduction and rigid fixation. The implants commonly used for internal fixation in children are pins or screws. We evaluated the long-term outcome in children who sustained fractures of the proximal femur that were treated by screw fixation. PATIENTS AND METHODS All 22 children (mean age 12 (5-16)...

Background. The femoral neck-shaft angle (NSA) is of high importance for the diagnostics and treatment of various conditions of the hip. However, rotational effects limit its precision and applicability using plain radiographs. This study introduces a novel method to measure the femoral NSA: the modified NSA (mNSA), possibly being less susceptible against rotational effects compared to the conv...

Femoral stem version has a major influence on impingement and early post-operative stability after total hip arthroplasty (THA). The main objective of this study was to evaluate the validity of a novel radiological method for measuring stem version. Anteroposterior (AP) radiographs and three-dimensional CT scans were obtained for 115 patients (female/male 63/72, mean age 62.5 years (50 to 75)) ...