BACKGROUND Both pelvic fractures and femoral shaft fractures are caused by high-energy injuries. When unstable pelvic fractures and femoral shaft fractures occur concomitantly, the optimal treatment method is controversial. The aim of this study was to establish a reasonable principle for treating such complicated injuries. METHODS Forty patients sustaining unstable pelvic fractures and conco...

This paper analyzes the effect of the fuzzy logic-controlled braking resistor (BR) on minimizing shaft torsional oscillations of the generators in a multi-machine power system. The influence of communication delay associated with the fuzzy controller input calculation on minimizing shaft torque oscillations is investigated. Global Positioning System (GPS) is proposed for the practical implement...

The results of the construction inter-operational conveying devices for creation an automatic line mechanical processing a leather semi-finished product between several technological machines are considered in article. At same time, on this line, all must be feed-through ones. dimensions and principles operation mechanism shown. main mechanisms conveyor string conveyors, cutting pressure roller...

Current marketing of golf clubs places great emphasis on the importance of the correct choice of shaft in relation to the golfer. The design of shafts is based on a body of received wisdom for which there appears to be little in the way of hard evidence, either of a theoretical or experimental nature. In this paper the behaviour of the shaft in the golf swing is investigated using a suitable dy...

This paper presents a novel real-time crack identification method to determine the position and depth of a transverse open crack on a rotating shaft. A newly developed wireless sensor capable of being mounted directly on the shaft is employed to monitor acceleration at different points of the shaft in a rotating coordinate system. The vibration parameters obtained from the wireless sensors and ...

A transient model of an induction machine (IM) is developed in this work using artificial neural network (ANN) surrogate model. The suitable to be used for direct-on-line IMs. finite-element (FE)-based IM generate the training, validation, and testing datasets. Different inputs configurations are investigated find optimal solution developing proposed digital twin services since it can estimate ...

Bone fractures occur frequently at mid-shaft femoral site during frontal and offset automotive crashes. Because these injuries are expensive, it is crucial to understand the injury mechanisms if this injury is to be prevented. The experimental investigation of femoral shaft tolerance under loading corresponding to real world accidents requires a challenging test setup that allows applying exter...

context functional humeral bracing remains the gold standard for treatment of humeral shaft fractures. there is an increasing trend in the literature to perform operative fixation of these fractures. evidence acquisition the aim of this systematic review was to compare the level one evidence for the outcome of non-operative with operative management of humeral shaft fractures in adults. a compr...