Friction Response Spectrum with Vertical Ground Motion(Mechanical Systems)

Vertical Ground Reaction Force Gait Patterns During Walking in Children with Autism Spectrum Disorders

The characteristics of vertical ground reaction force (VGRF) gait patterns in children with autism spectrum disorders (ASD) are poorly understood. The purpose of this study was to identify VGRF gait features that discriminate between children with ASD and the peer control group. The VGRF data were obtained from 30 children with ASD and 30 normal healthy children aged 4 to 12 years. A three-dime...

Friction Testing and Pulley Systems in Vertical Rescue

Control of Systems with Friction

Friction appears in all mechanical systems and has a significant impact on control. Successful design of mechatronic systems requires an understanding of the effects of friction as well as techniques to compensation. Friction phenomena are complicated because they are caused by many different physical mechanisms. Friction can cause a substantial deterioration of the performance of a control sys...

Characteristics of Horizontal and Vertical Near-Field Ground Motions and Investigation of Their Effects on the Dynamic Response of Bridges

Recently, concerning failure of structures due to earthquakes, special investigations of near fault ground motions have been noticed. Hence, in this paper, characteristics of near field ground motions have been considered in horizontal and vertical directions. In this consideration, the record averages have been compared with Uniform Building Code and Eurocode8 spectra in two levels. In additio...

Evaluation of vertical ground reaction force during walking in patients with multiple sclerosis

Patients with Multiple Sclerosis (MS) suffer from inabilities such as weakness and muscle fatigue due to the demyelination. The inabilities may result in some disorders in walking. The present study is a clinical trial research conducted on 84 participants in two groups of experimental and control who were randomly selected. The results showed that people with MS apply more force on the ground ...