Center for Technology Research & Innovation Ltd
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Electronics

nanotechnologyNanoTechnologies

The Nano-Materials, Electronics and Optoelectronics group in deeply involved in the targeted development of nanocomposite materials that find various applications in the sector of electronics. A major objective of the group is to develop synthesis and control techniques to create electronic devices based on nanomaterial in terms of organic inorganic and hybrid systems. Some of the advances could be categorized of carbon allotropes (graphene, carbon nanotubes) with several popular polymers such as PET, PVC, PMMA and ABS through extrusion and melt mixing techniques.


Solar Energy

Development of novel solar cells, incorporating nanomaterials such as carbon or metal nanotubes, graphene or nano-structured oxides. Investigation of alternative, environmentally friendly material solutions in Dye Sensitized Solar Cells.

 


Non Destructive Testing

CETRI non-destructive testing group offers a comprehensive range of non-destructive testing capabilities including inspection of structural steel inspection, piping, rails, aircraft wiring, composite aero-structures, road pavements, wind turbine blades, concrete materials, ship hulls, soil and area surveillance. We also use leading technologies like Long Range Ultrasonics, Acoustic Emission, active and passive thermography and Ground Penetrating Radar, which are particularly helpful in projects requiring limited access, rapid inspection of components such as welds, and for sizing defects and cracks. These methods offer advantages over conventional ultrasonics and radiography and allow for improved accuracy and efficiency. We have the experienced staff and resources to design, implement and manage R&D projects using and combining the following NDT technologies:

Long Range ultrasonics: Inspection and health structural monitoring with Guided waves, pulse-echo mode, through transmission mode, phased array focusing, FEA modelling of ultrasonic propagation.

Acoustic Emission: Inspection and health structural monitoring with high-level, low-cost Acoustic Emission sensors, attenuation analysis, calibration, signal features extraction, conditioning, detection and hit process.

Thermography: Passive/active thermography, Near Infrared imaging (NIR), transient thermography, pulsed thermography, step heating thermography, lock-in thermography, vibrothermography.

Ground penetrating radar: Inspection of various materials and structures with GPR, GPR surveys, 2D and 3D imaging, methods for calibration and setting-up, Data collection, display and analysis, laboratory and field measurements, numerical simulations to estimate the antenna response over various material types.


Advanced Data Processing And Computational Intelligence

CETRI has a vast experience in developing advanced and user-friendly software that improves productivity by enabling you to make smarter and quicker decisions in various scientific, technological and industrial fields. Our expertise covers various areas of Computational Intelligence such as signal/image processing, pattern recognition, feature extraction/selection, data fusion, fuzzy logic, genetic algorithms and control systems. We also offer software for various applications and testing methods, including software for data input, analysis, image review, reporting, data management, remote collaboration and storage. Our portfolio spans the following capabilities:

Signal / image pre-processing techniques: Normalisation techniques, noise removal techniques, signal/image transformations, signal resampling, filtering techniques, artefact detection, averaging techniques, signal cutting.

Feature extraction techniques: statistical analysis, application of derivatives, auto- and cross- correlation, coherence, analysis, power spectrum analysis, Fourier transform (FT), Short Time Fourier Transform (STFT), Wavelet transform (WT), Principal Component analysis (PCA), image spectral and spatial features, 1st order texture features, Haralick features, LISA features, wavelet energy features.

Feature selection algorithms: Filter and wrapper techniques, Sequential Forward Selection (SFS), Sequential Backward Selection (SBS), floating search (SFFS, SBFS), Branch and Bound, ReliefF, minimum redundancy FS, Correlation FS, feature relevance ranking techniques.

Pattern recognition techniques: k-NN classifiers, Naïve Bayes classifiers, Decision Trees, multilayer perceptron, K-means clustering, Hierarchical clustering, neural networks, Fussy Systems, Adaptive Neuro-Fuzzy Inference Systems, Linear and Quadratic Discriminant Analysis, Support Vector Machines, Genetic algorithms.