Sensors and Systems Journal, No. 9, September 2009 (Contents and Abstracts)

Aleshechkin A. M. Remote measurement of position data per marine radionavigation system signals

This paper examines remote position determination algorithms per the signals from Krabik-BM phase radionavigation system. Accuracy improvement methods based on using the measurements results obtained from system’s additional reference stations are proposed. Experimental results are included.

Keywords: radionavigation, determination, position data, errors, methods, phase shifts, distances, radiation, experimental results.

Kudinov D. S., Shaydurov G. Y. The problems of nondestructive inspection at rail transport

Nondestructive inspection methods for rails are discussed. The problems related with the operation of ultrasonic flaw detector on the basis of piezoelectric sensors are formulated. The variants of nondestructive inspection system development by applying electromagnetic-acoustic and laser sensors are considered. The paper proposes to apply a radar sensor for detecting acoustic vibrations which arise in the rail during the motion.

Keywords: ultrasonic flaw detectors, acoustic vibrations, laser sensor.

Levitsky A. A., Marinushkin P. S. Numerical modeling of piezoelectric vibratory gyroscope

The modeling of piezoelectric vibratory gyroscope with the help of ANSYS software is considered. The results of a finite element analyses for gyroscope parameters evaluation are included.

Keywords: vibratory gyroscopes, piezoelectric sensors.

Glinchenko A. S., Tronin O. A. Measurement of signal parameters in low-frequency inductive electrical exploration systems

Opportunities of accuracy and noise stability improvement in digital measurements of signal parameters are discussed which allow to increase the depth of geophysical investigations.

Keywords: spectrum analysis, weighting functions, signal parameters, measurement errors, harmonic interference.

Patyukov V. G., Patyukov E. V. Increasing the efficiency of time interval estimation

Sensor signal processing methods are considered for the signals presented in form time intervals. The methods discussed enable significant estimation efficiency improvement for time parameters.

Keywords: sensors, temporary intervals, time-digital converters, precision, noise immunity.

Patyukov V. G., Patyukov E. V. Double-pulse sequences in the research of time parameters of sensor signals

The paper examines the opportunity of double-pulse sequences application for improving the efficiency of the estimation of sensor signals’ time parameters in various physical systems.

Keywords: sensors, double-pulse signals, time intervals, precision.

Bondarenko V. N., Galeev R. G., Kuzmin E. V., Klevlin A. G. Correlation receiver synchronization using stand-alone speed sensor

Methods of accelerated time- and phase-locked-loop frequency control for digital spread-spectrum signal receiver are offered. They are based on using a priori data from a stand-alone speed sensor. This may result in correlation receiver phase lock increase by more than 4 times.

Keywords: synchronization, correlation receiver, stand-alone speed sensor.

Yemelianov R. T., Prokopiev A. P. Smart control of road concrete mix concentration process

The paper discusses the prerequisites for automatic control of road concrete mix concentration process using artificial intelligence technique for the identification of the functions of a multifactor model of concentration environment.

Keywords: concentration process control, automatic control, neural networks.

Sushkin I. N. A system of observation points for earthquake prediction

Design concept of an observation points system based on the signals from GLONASS and GPS satellite navigation system is considered.

Keywords: sensors, GLONASS satellite navigation, GPS, ionosphere.

Anashin V. S. The tools for monitoring ionizing space radiation effect on the spaceship electronics in the field of single effects

General design concepts of a system intended for monitoring the effect of natural ionizing space radiation on spaceship electronics are considered, in particular, the design of its key element: a heavy charged particles sensor. The sensor structure including a sensing element based on bistable solid-state components, a processing module, and an interface unit is offered.

Keywords: ionizing space radiation, single effects, heavy charged particles sensor, sensing element, monitoring system.

Barbashov V. M. Quality assessment of specialized electronic systems operation

Quality assessment methodology for LSI electronic circuits operating in harsh environments is offered. Criterion membership function based on the fuzzy digital Browther automaton model is used for functional and logical  modeling of system operation. Algorithms are developed and recommendations made on the prediction of occurring transient and residual radiation effects in LSI systems

Keywords: criterion membership functions, LSI circuit, fuzzy modeling.

Andrienko A. Ya., Zaplatin M. I., Kutovoi V. M., Chadaev A. I. The analysis of the abnormal component of level measurement errors in fuel consumption control system of launchers

The abnormal component of level gauges errors in fuel consumption control system of Soyuz-2 launcher is estimated and recommendations on the elimination of this component in forthcoming start-up of this rocket are made.

Keywords: launcher, fuel consumption control system, level measurement errors.

Adamov D. Y., Matveenko O. S. New technologies for smart sensor controllers

New requirements to smart sensor controllers and the ways of their realization are discussed.

Keywords: chip, smart sensor’s controller, technology, SoC.

Legki N. M. The remote control of parameters of object over technology of radio-frequency identification

The paper describes a microprocessor-based RF sensor with voltage measurement functionality for RFID systems operating in 868 MHz range.

Keywords: radiofrequency identification, RFID, sensor, remote measurement, parameter monitoring, ADC.

Vas’kovsky S. V. The design of state-of –the-art corporate telephone networks

The implementation of an integrated network based on modern telecommunication technologies is discussed.

Keywords: data communication networks, corporate networks, office dial exchange.

Zherdev A. Remote procedure call model in wireless mesh networks

The paper offers a solution to the problem of remote procedures call in mesh sensor networks. Call realization algorithms for wireless sensor networks are described and compared.

Keywords: sensor network, remote procedure call, mesh network.

Serdyuk A. A. Neuron network compensation of current measuring transformer’s errors in relay protection systems under transient conditions

The paper describes error compensation of current measuring transformers with the help of neuron networks. Test results are included.

Keywords: current transformer, saturation, magnetic conductor,, error compensation, artificial neuron network.

Podmasteriev K. V., Milyushin N. N. Phase generator-based proximity sensor for conducting objects

The properties of an inductive proximity sensor for conducting objects are discussed. The sensor’s operation principle id based on phase generator method. The results of analytical and experimental analysis of sensor’s performance are included.

Keywords: non-contact inductive sensor, active oscillator, operation distance.

Gorsky E. V., Liwschitz A. M., Mavrin N. B., etc. The experience of PAPUAS-4-type emission spectrometer maintenance at modern metallurgical works

More than 10-year maintenance experience of PAPUAS-4-type emission spectrometers  intended for metal alloy snaps is described. The problems arising at various maintenance phases of optical-emission analytical equipment as well as the ways to solve them in cooperation with manufacturer’s service center are considered. The challenges and prospect of service centers in present-day Russia are discussed.

Keywords: maintenance, emission spectrometer, personnel training.

Litvinov V. G., Gudzev V. V., Milovanova O. A., Rybin N. B. Deep level transient spectroscopy and its application for investigating semiconductor structures of micro- and nanoelectronics

The paper presents physical background of deep level transient spectroscopy (DLTS) method and discusses its application to the investigation of semiconductor quantum dimensional QW and QD heterostructures. An equation for charge carriers capture cross section in the QW, QD is derived and analyzed.

Keywords: deep level transient spectroscopy, deep level, quantum well, quantum dot, capture cross section, relaxation current.

Knorring V. G. Measurement in its historical evolution. Part 6. Measurements in the activities of scientific revolution creators

The sixth paper of the series dedicated to the history of measurement describes the first period of  the scientific revolution up to 1650 (the year of Descartes death).