Investigating the effects of impulse excitations on instrumented electro-explosive devices

Kichouliya, Rakesh; Devender, T.; Ramasarma, V.V.; Borkar, V.G.

doi:10.1109/apemc.2012.6237792

Cited by 4 publications

(2 citation statements)

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“…The excitations are usually periodic in nature. Oscillations are generated as a result of platform switching procedures and external transients like electromagnetic pulses or lightning [15]. This research utilized this technique.…”

Section: Introductionmentioning

confidence: 99%

Development of a Non-invasive Screening Technique for Detection of Wrist Fractures in Children

Ali¹,

Alboul²,

Offiah³

2020

Advances in Asset Management and Condition Monitoring

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A study applying vibration analysis was conducted on the wrists of children aged between 10 and 15 years old to determine the presence or absence of fracture, following wrist trauma. Without radiographs it is not possible for a doctor to confirm whether trauma has resulted in a sprain or a fracture. The current waiting time for patients to see a doctor is set at 4 hours by the National Health Service of the U.K. This means that many children (who only have a sprain) are exposed to unnecessary radiation and they and their guardians are spending needless hours in the Emergency Department and potentially prolonging the stay of others. Therefore, a screening tool is required to more precisely select those children who should proceed to radiographic examinations. We have developed a hand-held vibration inducer that sends vibrating signals through the long bones for a small period of time. This device is pre-programmed and captures the corresponding vibration responses by means of a piezoelectric sensor. Data were recorded from the local children's hospital. Noise and distortion of the signals were removed as much as possible by three methods. The methods consist of subtraction of the root mean squared signals from each signal acquired, filtering the resulting signals and finally application of a suitable windowing method. The frequencies were classified by the 'Maximum Likelihood Estimate'. The frequencies were separated into two groups: males and females for clearer comparisons. All analyses were compared with x-ray findings.

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Section: Introductionmentioning

confidence: 99%

Development of a Non-invasive Screening Technique for Detection of Wrist Fractures in Children

Ali¹,

Alboul²,

Offiah³

2020

Advances in Asset Management and Condition Monitoring

View full text Add to dashboard Cite

show abstract

“…There can be periodic excitations. These vibrations are produced due to platform switching operations and external transients like electromagnetic pulses or lightning (Kichouliya, R., et. al.…”

Section: Impulse Vibration Excitation Methodsmentioning

confidence: 99%

Bone Vibration Analysis as a Novel Screening Tool for Long Bone Fractures

Ali¹

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The aim of this study is to reduce the number of X-ray scans taken to detect fractures, by developing a bone fracture screening system. When assessing a bone injury, doctors need to decide whether the injury has resulted in a fracture or a sprain so that they can provide appropriate treatments. The current way to differentiate between these is by an X-ray scan. In 2011, the 46,000 children attending Sheffield Children's Hospital Emergency Department had 10,400 X-rays, mostly to help diagnose bone fractures. Roughly half the X-ray scans taken indicate that the injury is sprain. Unnecessary X-ray scan means raising costs and exposing patients to ionising radiation.

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