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Article

Rotation center calibration based on line laser rotating platform

using high-precision three-coordinate, rotating platform or camera alignment The laser sensor performs positioning to complete three-dimensional scanning of the surface of the object to be measured, and obtain surface data of the three-dimensional object[1][2]. According to the different mechanical displacement platforms, mechanical scanning mainly has two implementations of translation platform and rotary platform. Rotating scanning is more convenient and faster. A more accurate rotation center

Doudou Lei, Baolong Liu, Huimin Yao

International Journal of Advanced Network, Monitoring and Controls , ISSUE 1, 48–52

research-article

Nematicide influence on cotton yield and plant-parasitic nematodes in conventional and sod-based crop rotation

Cotton (Gossypium hirsutum) is an important agronomic crop in the Southeastern United States. In 2018 cotton seed production in the United States was estimated at 5.11 million metric tons with an average yield of 1.24 metric tons per hectare (NASS-USDA, 2019). Reniform nematode (Rotylenchulus reniformis Linford and Oliveira, RN) is a significant pathogen of cotton that is typically managed by crop rotation or nematicide application (Linford and Oliveira, 1940; Moore and Lawrence, 2012

Lesley A. Schumacher, Zane J. Grabau, David L. Wright, Ian M. Small, Hui-Ling Liao

Journal of Nematology , 1–14

Original Paper

Impact of an enclosure rotation on the activity budgets of two zoo-housed giant pandas (Ailuropoda melanoleuca): An observational case study

Captive giant pandas are reported in the literature to perform stereotypic behaviours which are considered to be a behavioural indicator of stress. Although environmental enrichment techniques are commonly used to prevent and/or mitigate performance of stereotypic behaviour in captive giant pandas, evaluation of such techniques is rarely undertaken or reported. This study used behavioural observation methodologies to evaluate the impact of an enclosure rotation as enrichment on the activity

Jillian Claire Ryan, Carla A Litchfield

Eat, Sleep, Work , ISSUE 1, 26–38

Article

ORIENTATION OF A TRIAXIAL ACCELEROMETER USING A HOMOGENEOUS TRANSFORMATION MATRIX AND KALMAN FILTERS

The evolution in the development of manufacturing techniques of electronic components, including accelerometers, has allowed access to a new field of research and applications in consumer electronics. The aim of this work is to present a method for aligning triaxial accelerometers, finding the parameters of the rotation, the translation and the scale of the homogeneous transformation matrix. In principle, it is necessary to acquire six points to build the frame of reference of the accelerometer

J.-S. Botero V, W. Hernández, E. Fernández

International Journal on Smart Sensing and Intelligent Systems , ISSUE 4, 1631–1646

Research Article

Oat, Wheat, and Sorghum Genotype Reactions to Meloidogyne incognita and Meloidogyne javanica

Meloidogyne spp. are the most economically important species of plant-pathogenic nematodes. Plant resistance and crop rotation are the main nematode management methods. Thus, the objective was to evaluate the resistance of seven wheat genotypes, five oat genotypes, ten sorghum hybrids, and three sorghum–sudangrass genotypes to Meloidogyne incognita and Meloidogyne javanica. The crops were sowed in pots with an auto-claved substrate. A single plant/pot was left after thinning. The soil was

ANDRESSA LIMA DE BRIDA, ÉRIKA CRISTINA SOUZA DA SILVA CORREIA, BÁRBARA MONTEIRO DE CASTRO E CASTRO, JOSÉ COLA ZANUNCIO, SÍLVIA RENATA SICILIANO WILCKEN

Journal of Nematology , ISSUE 4, 386–389

research-article

Field and greenhouse evaluations of soil suppressiveness to Heterodera glycines in the Midwest corn-soybean production systems

Soybean cyst nematode (SCN), Heterodera glycines Ichinohe, is widely distributed throughout most soybean producing regions in the world (Riggs, 2004). This nematode has become a major yield-limiting factor in soybean production and causes an estimated annual yield loss of about $1 billion in the USA (Koenning and Wrather, 2010). Crop rotation, cultural practices, resistant cultivars, and nematicides are employed to reduce soybean yield suppression caused by SCN. Particularly, rotation of SCN

Weiming Hu, Eyob Kidane, Deborah A. Neher, Senyu Chen

Journal of Nematology , 1–12

Article

NEW APPROACHES USING EXPONENTIAL TYPE ESTIMATOR WITH COST MODELLING FOR POPULATION MEAN ON SUCCESSIVE WAVES

elaborated theoretically including the optimum rotation rate.Cost models have also been worked out to minimize the total cost of the survey design over two successive waves. Dominances of the proposed estimators have been shown over well-known existing estimators. Simulation algorithms have been designed and applied to corroborate the theoretical results.

Kumari Priyanka, Richa Mittal

Statistics in Transition New Series , ISSUE 4, 569–587

Sampling Methods

IMPROVED ROTATION PATTERNS USING TWO AUXILIARY VARIABLES IN SUCCESSIVE SAMPLING

Jaishree Prabha Karna, Dilip Chandra Nath

Statistics in Transition New Series , ISSUE 1, 25–44

Article

HARDWARE AND SOFTWARE SOLUTION DEVELOPED IN ARM MBED ENVIRONMENT FOR DRIVING AND CONTROLLING DC BRUSHLESS MOTORS BASED ON ST X-NUCLEO DEVELOPMENT BOARDS

-A2 model provided by Nanotec. The firmware, needed to properly control motor operation, was developed in ARM mbed environment, a development tool available on cloud which allows to send the .bin file (obtained after firmware compilation) directly to the STM32 development board, regarded from operating system, once connected via USB to PC, simply as an external memory. By PC connected via USB with STM32 board, the user can choose the motor rotation direction, set the desired rpm value and, by

P. Primiceri, P. Visconti, A. Melpignano, G. Colleoni, A. Vilei

International Journal on Smart Sensing and Intelligent Systems , ISSUE 3, 1534–1562

Article

DESIGN OF LINEAR-PHASE FILTER BANKS WITH MULTIPLIER-LESS LATTICE STRUCTURES

polyphase matrix. The coefficients in the 2x2 rotation matrices of the lattice structures are expressed as sum-of-powers-of-two (SOPOT) coefficients in the parameterization processes. By using the multiplier-less rotation matrices, the unitary matrices are constructed for the lattice factorization of perfect-reconstruction linear-phase filter banks. Design examples of 5-channel and 8-channel multiplier-less linear-phase filter banks are included to validate the algorithm and implementation.

Li Chen, Xiyan Wang, Ronghua Peng, Fu Yang

International Journal on Smart Sensing and Intelligent Systems , ISSUE 5, 2234–2253

Article

ANALYSIS AND VALIDATION OF THE DYNAMIC METHOD FOR DIAGNOSING DIESEL ENGINE CONNECTING ROD BEARINGS

The paper considers the problems related with diagnosing diesel engine crank gears, and presents most widely used methods for their diagnosis. The authors provide arguments in favour of dynamic health status identification of connecting-rod bearings in terms of the oil layer thickness. For the first time the dependence is obtained of the oil layer thickness in conrod bearings from the rotation frequency of the crankshaft and the pressure in the lubrication system.

Igor DANILOV, Irina POPOVA, Yury MOISEEV

Transport Problems , ISSUE 1, 123–133

Article

An evaluation of design-based properties of different composite estimators

For the last several decades, the US Census Bureau has been applying AK composite estimation method for estimating monthly levels and month-to-month changes in unemployment using data from the Current Population Survey (CPS), which uses a rotating panel design. For each rotation group, survey-weighted totals, known as monthin-sample estimates, are derived each month to estimate population totals. Denoting the vector of month-in-sample estimates by Y and the design-based variance-covariance

Daniel Bonnéry, Yang Cheng, Partha Lahiri

Statistics in Transition New Series , ISSUE 4, 166–190

Research Article

MODELLING OF THERMOELASTIC TRANSIENT CONTACT INTERACTION FOR BINARY BEARING TAKING INTO ACCOUNT CONVECTION

arrangement and selection of the optimal parameters for the bearing system to achieve thermal balance.Static problem for the combined sliding bearing with the account of heat generation due to friction has been studied in [1]; the dynamic thermoelastic problem of the shaft rotation in a single and double layer bronze bearings were investigated in [2, 3].

Igor KOLESNIKOV, Sergey DANILCHENKO, Elena KOLOSOVA, Mikhail CHEBAKOV, Alexander LYAPIN

Transport Problems , ISSUE 4, 73–81

Article

OPTICAL PROBE CURRENT SENSOR MODULE USING THE KERR EFFECT OF EXCHANGE-COUPLED MAGNETIC FILM AND ITS APPLICATION TO IGBT SWITCHING CURRENT MEASUREMENTS

An optical probe current sensor module using the Kerr effect of exchange-coupled magnetic film has been fabricated and applied to switching current measurements for IGBT used for the DC-DC converter and the DC-AC inverter of EV/HEV. Since the sensor module using the Kerr effect of the single domain exchange-coupled magnetic film utilizes magnetization rotation only, Barkhausen noise due to domain wall pinning can be excluded. The current sensor consists of a Laser-diode, a polarizer, a Fe-Si/Mn

K. Ogawa, S. Suzuki, M. Sonehara, T. Sato, K. Asanuma

International Journal on Smart Sensing and Intelligent Systems , ISSUE 2, 347–361

Article

ANALYSIS OF SHAFT WEAR IN TURBOCHARGES OF AUTOMOTIVE VEHICLES

The article presents the results of the investigations of turbocharger shaft bearing using different kinds of lubrication conditions (dry friction and lubrication with different kind of oils). In particular, the wear of the turbocharger shaft surface was evaluated. One of the most frequent failures is the seizure of the turbocharger shaft in the slide bearing, causing its rotation, which leads to destruction of the assembly and costly repairs. On the basis of the conducted tests, it was found

Damian HADRYŚ, Henryk BĄKOWSKI, Zbigniew STANIK, Andrzej KUBIK

Transport Problems , ISSUE 3, 85–96

Article

THERMODYNAMIC ANALYSIS OF THE CONROD-FREE ENGINE

The paper considers the problems related with the thermodynamic analysis of the conrod-free engine. A mathematical model of the intake system of the conrod-free engine is proposed, which takes into account the kinematics of the slider-crank mechanism. The computational model of the intake system of the engine with the slidercrank mechanism is presented. The model allowed determining dependencies of the mixture temperature in the intake pipeline on the rotation frequency of crankshaft and on the

Tatiana KOLESNIKOVA, Olha SAKNO, Natalia VELMAGINA, Olaksandr LYSYI

Transport Problems , ISSUE 3, 29–39

Article

HORIZONTAL TRAJECTORY TRACKING SYSTEM BASED ON ROTATING MIRROR

derived, and the influence factors were studied and analyzed, the rotating mirror rotation control algorithm without considering effect of gravity flight targetwasanalyzed and the angular displacement and angular velocity of the rotating mirror were given in the effective tracking range. Through experiment and calculation, the results show that the tracking system can achieve stable tracking of flying target.

Wang Zemin, Wu Teng

International Journal on Smart Sensing and Intelligent Systems , ISSUE 4, 1977–1996

Research Article

BIPED LOCOMOTION: STABILITY, ANALYSIS AND CONTROL

Prahlad Vadakkepat, Dip Goswami

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 187–207

Article

Improved Stereo Vision Robot Locating and Mapping Method

to monocular vision’s scale uncertainty and pure rotation problems, binocular cameras can directly calculate the pixel depth. At the same time, compared to RGB-D cameras, stereo cameras collect images directly from ambient light and can be used indoors and outdoors. Compared with lidar, the main disadvantage of the camera as a SLAM sensor is that when the camera moves too fast, the camera will blur images, and the camera will not work in a scene with insufficient environmental feature textures

Yu Haige, Yu Fan, Wei Yanxi

International Journal of Advanced Network, Monitoring and Controls , ISSUE 4, 47–55

research-article

Fungal communities associated with Heterodera glycines and their potential in biological control: a current update

practices such as genetic resistance, crop rotation and other chemical nematicides as well, for a well-rounded, integrated nematode management. Several microorganisms have been tested as potential antagonists against SCN, including both fungi and bacteria, with Pasteuria spp. being the most important bacterial agent. However, only a few bacterial and fungal biocontrol agents have been commercialized thus far, mostly in the genera Bacillus or Pasteuria for bacteria, and Paecilomyces and Pochonia for

Deepak Haarith, Kathryn E. Bushley, Senyu Chen

Journal of Nematology , 1–17

Research paper

RATIO-TO-REGRESSION ESTIMATOR IN SUCCESSIVE SAMPLING USING ONE AUXILIARY VARIABLE

The problem of estimation of finite population mean on the current occasion based on the samples selected over two occasions has been considered. In this paper, first a chain ratio-to-regression estimator was proposed to estimate the population mean on the current occasion in two-occasion successive (rotation) sampling using only the matched part and one auxiliary variable, which is available in both the occasions. The bias and mean square error of the proposed estimator is obtained. We

Zoramthanga Ralte, Gitasree Das

Statistics in Transition New Series , ISSUE 2, 183–202

Article

A PARFOCALITY MEASUREMENT METHOD OF A CONTINUOUS ZOOM STEREO MICROSCOPE

To satisfy the demands of the continuous zoom stereo microscope, a parfocality measurement method is proposed. First, the mechanical parameters of the focusing system are estimated by testing the highest and the lowest displacements of the lens group and the rotation angle of the knob simultaneously. Second, by analyzing images captured under different zoom rates, the relatively sharpest displacement under a specified zoom rate is obtained according to the values of the four definition

Yigang Wang, Gangyi Jiang, Mei Yu, Feng Shao, Wang Yuan

International Journal on Smart Sensing and Intelligent Systems , ISSUE 4, 1419–1434

Article

A Survey of Calibration Methods for Traditional Cameras Based on Line Structure Light

between the 3D point M and its projection point m is as follows[7]: (1) sm˜=A[R,t]M˜ Where R is the rotation matrix, t = [tx ty tz]T for the translation vector, and describes the external parameters of the camera that the camera is calibrated. fu = ax/dx, fv = ay/dy, dx, dy indicates the physical size of each pixel in the Y-axis Y-axis direction. fu, fv, u0, v0 is only related to the internal parameters of the camera, which is the internal parameters that the camera needs to calibrate. B. Camera

Ruixia Wu, Baolong Liu, Huimin Yao

International Journal of Advanced Network, Monitoring and Controls , ISSUE 1, 66–71

Research Article

DEVELOPMENT OF A SIMULATION TOOL FOR THE DYNAMIC ANALYSIS OF RAILWAY VEHICLE - TRACK INTERACTION

frame of references that allows the use of independent coordinates without the possibility to have singularity configurations depending on the rotation sequence. The simulation tool is designed in a flexible form that enables the study of different configurations of the railway vehicles, as well as various track combinations.

Ramy SHALTOUT, Cristian ULIANOV, Luis BAEZA

Transport Problems , ISSUE SE, 47–58

Research Article

DE-NOISING SIGNAL OF THE QUARTZ FLEXURAL ACCELEROMETER BY MULTIWAVELET SHRINKAGE

Methods of de-noising the output signal of the JSD-I/A quartz flexural accelerometer based on five types of multiwavelets are comparatively investigated in this paper. Firstly, the theory of multiwavelet transform and the generalized cross validation criterion are analyzed. Secondly, because the JSD-I/A quartz flexural accelerometer which is fixed in SCT-1 two-axis rotation platform by the appropriative clamp has a start-up procedure of 3 minutes, the output signal of the quartz flexural

Zhao Chihang, Zhong Xin, Dang Qian, Zhao Liye

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 191–209

Article

ENHANCED IRIS RECOGNITION BASED ON IMAGE MATCH AND HAMMING DISTANCE

, classification ability make feature matrix has a better. Iris matching is the key of iris recognition. How to effectively carry out the matching of the iris code matrix is the decisive step in iris recognition. In this paper based on the normalized correlation classifier, the matching method of cyclic shift, eliminated from the same eyes of different iris image due to differences in rotation caused, improve matching accuracy.

Gao Xiaoxing, Feng Sumin, Cui Han

International Journal on Smart Sensing and Intelligent Systems , ISSUE 2, 1085–1103

Research Article

Calibration Method for the Wavelength and Uniformity of Pixel Response in Photodetector Arrays

to obtain optical measurements with this cameras. However, digital cameras can also be used as optical measuring instruments knowing their features in depth. Therefore, in this paper is proposed a calibration method for monochrome digital camera using a monochromator and an automatic rotation system. In this way, the uniformity of the pixels response is verified, bad pixels are detected, and the sensitivity curve is obtained. The results show the advantages of the method to find regions of pixels

J.-S. Botero-Valencia, J. Valencia-Aguirre, D.A. Marquez-Viloria, J.-F. Vargas-Bonilla, A. Gallardo-del Angel

International Journal on Smart Sensing and Intelligent Systems , ISSUE 1, 1–8

research-article

Development of a decision support system for managing Heterodera schahtii in sugar beet production

The incidence of SBN has increased in Swedish sugar beets production in recent years, partially due to warmer summers, increased acreages of winter oil seed rape (WOSR) and the transition to a three-year crop rotation (Andersson, 1999). Cultivation of sugar beet in Sweden follows the environmental management system MBO (Environmental Management for Beet Production), guidelines including recommendations on cropping intensity of sugar beets in the crop rotation. The MBO system principle is rather

Zahra S. Omer, Jens Levenfors, Susanne Andersson, Ann-Charlotte Wallenhammar

Journal of Nematology , 1–11

research-article

Swine manure application enriches the soil food web in corn and soybean production

practices including corn-soybean crop rotation (Grabau and Chen, 2016a, 2016b) and use of resistant cultivars (Chen et al., 2001), most of which are derived from a single parent source. Swine manure application is one alternative strategy as it has been shown to suppress soybean cyst nematode (SCN) through release of nematicidal compounds in greenhouse studies (Xiao et al., 2007, 2008). Additionally, swine manure and other fertilizers may improve crop production and tolerance to nematode infection by

Zane J. Grabau, Yong Bao, Jeffrey A. Vetsch, Senyu Chen

Journal of Nematology , 1–14

research-article

C60 fullerenes increase the intensity of rotational movements in non-anesthetized hemiparkinsonic rats

. Fig. 1. Schematic representation of the experiment. The site of selective neurotoxin 6-hydroxydopamine (6-OHDA) administration (-2.2 mm caudal to bregma) at the level of brain structures (A) according to the stereotaxic coordinates of the rat brain (Paxinos and Watson, 1997). Experimental schedule: 7 days after 6-OHDA administration (B): 1 – preliminary i.p. injection of saline solution or C60 fullerene; 2 – i.p. injection of apomorphine; 3 – animal rotation counts. Structures: mfb – medial

Andriy V. Maznychenko, Olena P. Mankivska, Inna V. Sokolowska (Vereshchaka), Bohdan S. Kopyak, Tomasz Tomiak, Nataliya V. Bulgakova, Olga O. Gonchar, Yuriy I. Prylutskyy, Uwe Ritter, Iryna V. Mishchenko, Alexander I. Kostyukov

Acta Neurobiologiae Experimentalis , ISSUE 1, 32–37

Research Article

Short-term Impacts of Tillage and Fertilizer Treatments on Soil and Root Borne Nematodes and Maize Yield in a Fine Textured Cambisol

Conservation agriculture (CA) based on the principles of minimum soil disturbance, crop residue retention, and crop rotation has been the focus of intensive research in recent years. A study was carried out to determine the effects of tillage and fertilizer on the population densities of plant-parasitic nematodes in maize. Three tillage regimes, (i) basin planting, (ii) rip line seeding, and (iii) conventional tillage, were combined with four fertilizer regimes: (i) no-fertilizer, (ii) low

N. Mashavakure, A. B. Mashingaidze, R. Musundire, E. Gandiwa, V. K. Muposhi, C. Thierfelder, N. Nhamo, T. Bere, S. S. Akhtar

Journal of Nematology , ISSUE 3, 329–342

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