Results 21 to 30 of about 16,629 (343)
Haptic Interface Device Using Cable Tension Based on Ultrasonic Phased Array
This paper presents a new haptics interface device based on cable-driven parallel manipulators and an ultrasonic phased array. Unlike previous studies, our method combines force and tactile feedback at the same time.
Liqiang Fan, Aiguo Song, Haochen Zhang
doaj +1 more source
Research on factors affecting ultrasonic phased array detection imaging quality for curved component
An in-depth analysis on the beam directivity of ultrasonic phased arrays has been made to solve the problems of low image quality and identification difficulties caused by a suboptimal configuration of array elements.
Zhe Wang, Chao Zhang, Xiahui Li
doaj +1 more source
Composite materials are prone to delamination defects during the preparation process. For the non-destructive testing and evaluation of carbon fiber reinforced polymer (CFRP) delamination defects, a standard specimen with embedded delamination defects ...
CAO Hong-yi +8 more
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Two-dimensional flexural ultrasonic phased array for flow measurement [PDF]
The arrival time detection probability and the measurement range of transit-time ultrasonic flow meters are undermined by the sound drift effect. One solution to this problem is utilizing a phased-array beam steering technique to compensate the bend of ...
Arnaudov, Yavor Emilov +9 more
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Near-field ultrasonic phased array theory is researched and utilized in the carbon-fiber wing box to identify the damage in the structure. Near-field ultrasonic phased array based structural health monitoring is researched to overcome the limitation of ...
Yajie Sun +3 more
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An Omnidirectional Near-Field Comprehensive Damage Detection Method for Composite Structures
As one of the active structural health monitoring methods based on the Lamb wave, the ultrasonic phased-array damage detection method can provide information such as damage location and range more intuitively, which is why this method is a research ...
Zhiling Wang +3 more
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Total focussing method for volumetric imaging in immersion non destructive evaluation [PDF]
This paper describes the use of a 550 (25x22) element 2MHz 2D piezoelectric composite array in immersion mode to image an aluminum test block containing a collection of artificial defects.
Drinkwater, B. +6 more
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Investigating the influence of the constituent materials on the performance of periodic piezoelectric composite arrays [PDF]
This paper describes a theoretical investigation into the influence of the constituent materials on periodic composite array transducer performance. A finite element (FE) model, configured in PZFlex, is used to analyze the performance of a wedge coupled ...
Gachagan, A. +3 more
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A review of miniaturised Non-Destructive Testing technologies for in-situ inspections [PDF]
Non-destructive testing (NDT) techniques have become attractive trends of product manufacturing, installation and post-maintenance in the aerospace, automotive and manufacturing industry, because of its benefits such as cost saving, easy to use and high ...
Addepalli +12 more
core +1 more source
Strategies for data acquisition using ultrasonic phased arrays [PDF]
Ultrasonic phased arrays have produced major benefits in a range of fields, from medical imaging to non-destructive evaluation. The maximum information, which can be measured by an array, corresponds to the Full Matrix Capture (FMC) data acquisition technique and contains all possible combinations of transmitter–receiver signals.
A. Velichko, A. J. Croxford
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