The efficiency of bicycle-pedalling, as affected by speed and load.

The effect of seat-position on the efficiency of bicycle pedalling.

Effects of a static bicycling programme on the functional ability of young people with cerebral palsy who are non-ambulant.

This study investigated the effects of exercise on the motor function of 11 young people (10 females, one male; age range 11-15y; mean age 12y 7mo [SD 1y 4mo]) with cerebral palsy (CP) who were non-ambulant (Gross Motor Function Classification System Levels IV or V), using an adapted static bicycle. Three participants had dyskinetic quadriplegia, seven had spastic quadriplegia, had spastic quad...

Current Limitation and Speed Drop Minimization in Optimal-Efficiency of Induction Motors

In conventional direct torque control (DTC), the stator flux is usually kept constant by controlling the x-axis component of the stator voltage in the stator flux reference frame. The torque is then controlled by the y-axis component of stator voltage. In this scenario, the stator current does not exceed its permissible value. However, in the so-called optimal efficiency mode, the induction mot...

Power and Velocity Control of Wind Turbines by Adaptive Fuzzy Controller during Full Load Operation

Research on wind turbine technologies have focused primarily on power cost reduction. Generally, this aim has been achieved by increasing power output while maintaining the structural load at a reasonable level. However, disturbances, such as wind speed, affect the performance of wind turbines, and as a result, the use of various types of controller becomes crucial.This paper deals with two ada...

Modeling and Simulation of Variable Frequency Pump Control Fatigue Test Machine

High-speed maglev train is considered an ideal vehicle in the 21st Century, as an important part of the train, the travel mechanism bears and delivers a variety of vertical and horizontal alternating load in operation, it affects the operation safety of the train directly, so key components of the travel mechanism should under fatigue strength test by fatigue test machine.The paper proposed a v...