Forthcoming articles

 


International Journal of Instrumentation Technology

 

These articles have been peer-reviewed and accepted for publication in IJIT, but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

 

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International Journal of Instrumentation Technology (4 papers in press)

 

Regular Issues

 

  • An Intuitive Approach to Innovate a Low Cost Braille Embosser   Order a copy of this article
    by Dhiman Chowdhury, Mohammad Zakaria Haider, Mrinmoy Sarkar, Mustakim Refat, Kanak Datta, Dr. Shaikh Anowarul Fattah 
    Abstract: Braille printers are the most convenient way to emboss the texts on a Braille paper. But existing embossers are more than 100 times expensive than the normal printers. In this paper, an innovative design of a low cost Braille printer is presented. The design being not dependent on expensive tools is an efficient solution. In the proposed Braille system, major concentration is given to develop the actuators which emboss the impressions on the Braille paper to make dots to decode text language in Braille format. Unlike conventional mechanisms, gear DC motors are utilized to design efficient and inexpensive actuators. Additionally, the overall printing system involves cost efficiently designed inter-dependent components, such as customized printing software, wireless communication system, sensing mechanisms, and compact mechanical setup. Extensive testing under different conditions is carried out and it is found that the proposed design can provide satisfactory embossing performance at a very low cost.
    Keywords: Actuator; Braille; communication; cost-effectiveness; efficient; embosser; intuitive; printer; sensor; software; visually impaired

  • Programmable FPGA Based 32 Channel Transmitter for High Frame Rate Ultrasound Channel Excitation Applications   Order a copy of this article
    by Jean Rossario Raj, SMK Rahman, Sneh Anand 
    Abstract: This paper describes the design and results of a Field Programmable Gate Array (FPGA) designed for ultrasound transient elastography transmitter. The high frame rate is achieved by multi-line transmission. The design is capable of achieving frame rates up to 8000 frames per second by excitation of all the channels simultaneously. The FPGA also generates the drive signals for the commonly available CMOS transmit pulsers for high voltage excitation of the ultrasound transducer. The FPGA is configured from a microcontroller using a parallel interface. The FPGA also generates the synchronization pulses for the receiver. The FPGA has a flexible design where parameters like ultrasound frequency, number of pulses per burst, pulse repetition frequency, and so on are programmed from the microcontroller. One FPGA caters for 32 channels and has a maximum frequency of operation of 8MHz. The novelty of this study is in the design and implementation of an open FPGA architecture for 32 channel high frame rate ultrasound application.
    Keywords: FPGA, Multi Line Transmission, Ultrasound Scanner, Transient Elastography

  • Detection of NQR signals using Wavelet Transform and Adaptive filters.   Order a copy of this article
    by Preeti Hemnani 
    Abstract: NQR signal processing method based on two adaptive filters techniques namely adaptive noise cancellation (ANC), Adaptive line enhancement (ALE) and wavelet transform are studied and it is shown that ALE is faster detection method with improved signal to noise ratio. Based on the 14N NQR signal observed from NaNO2, ALE seems to be easier and more reliable technique for NQR spectroscopy.
    Keywords: NQR; NMR; Wavelets; ALE; ANC.

  • Determining Statistical Parameters of ADC Using Probability Based Histogram Method with Noise as Stimuli   Order a copy of this article
    by Bhawana Garg, Deepak Mishra 
    Abstract: This paper aims to the estimation of an Analog to Digital Converter (ADC) parameters using probability-based histogram method with white Gaussian noise as stimuli. ADC characterization based on this methodology is described and error in computing the code transition level with suggested corrective action is reported. Uncertainty in the computation of Effective Number of Bits (ENOB) is investigated and simulation results for an 8-bit ADC are presented and compared with other existing methods.
    Keywords: Differential nonlinearity; ENOB; Gain; Histogram technique; Integral nonlinearity; White Gaussian noise.