Rationale: Development of string rails with low weight per meter and high-performance characteristics that determine durability, wear resistance, reliable grip vehicle wheels to the rail rolling surface is a vital task.
 Objective: investigate impact geometric parameters steel wheel flexible polymer coating on performance characteristics; choose most optimal contact pair wheel-rail.
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Postural and kinematic aspects of running may have evolved to support high runner (HR) mice to run approximately threefold farther than control mice. Mice from four replicate HR lines selectively bred for high levels of voluntary wheel running show many differences in locomotor behavior and morphology as compared with four nonselected control (C) lines. We hypothesized that HR mice would show s...

The problem of accurate determination of the position, orientation and width of involute spur gear teeth using a single front-lit image is addressed. The information is used to compute global measures of tooth concentricity and pitch variations across a gear wheel. The approach is based on the use of specialised filters which make maximum use of the grey level information available in the image...

Clutches have been used in internal combustion vehicles and concentrated electric vehicles (EVs) to smoothen impulsion while starting and shifting. This paper proposes a permanent magnet bi-stable electromagnetic clutch unit (PMBECU) which is specially introduced into in-wheel EVs to make the rigid connection between hub and wheel more flexible. Firstly, the operation principle of the PMBECU is...

Abstract This paper discussed the performance changes under a rated operation state and permanent magnet loss-of-field fault of 5KW synchronous motor (PMSM) in 200 mm shaftless rimless thruster. These key parameters include air gap flux density, back electromotive force, output torque, current magnetic field. Using these to analyze running provides reference for early diagnosis at simulation le...

OBJECTIVES The purpose of this work was to investigate the fitness of the existing truck seats for Bangladeshi truck drivers and suggest a guideline for drivers' seats based on their anthropometry. METHODOLOGY In this study, eight anthropometric measurements of 120 Bangladeshi truck drivers and seven seat dimensions of ninety trucks of three brands namely, TATA, ASHOK LEYLAND, and ISUZU were ...

The article describes in detail an arrangement of trough-shaped wheel ramps and telescoping articulating control rods intended to allow a wheelchair-bound paraplegic to quickly ascend and descend single steps or curbs as high as 8 in. Data on testing of the system with trained and untrained able-bodied male and female subjects is reported; very limited testing with paraplegics suggests that the...