Miesięcznik ISSN 0033-2089, e-ISSN 2449-9528 - rok powstania: 1960
Czasopismo Stowarzyszenia Elektryków Polskich (SEP) wydawane przy współpracy Komitetu Elektronikii Telekomunikacji PAN
Propozycja elektronicznie sterowanego wkrętaka momentowego do wkręcania śrub w tkankę kostną
This paper presents the proposal of electronically controlled torque screwdriver for drawing screws into bonę tissue. This eguipment will be used in the experimental practice and subseguently in the g
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The basie goal of missile guidance is to hit a target with minimum miss distance. Attention must be paid to the sensor equipment with respect to size, performance, costs and error budgets. This is esp więcej »
Three methods for stability analysis of nonlinear control systems are introduced in this contribution: method of linearization, Lyapunov direct method and Popov criterion. Sińce stability analysis of więcej »
Given spectrum of absorbent lung condensate of healthy people (controlled people) tubercular patients, and organie parts in a spectral interval /l = 220-340 nm, measured (using Buger and Ber's law) an więcej »
The paper deals with active materials application for the design of precise manipulators and robots. The array manipulator and underactuated manipulator, which action is based on electrorheological fl więcej »
A Voronoi diagram of a set of sites in the Euclidean pianę is a collection of regions that divide up the pianę. Each region corresponds to one of the sites and all the points in one region are closert więcej »
An algorithm for processing Information from an optical transducer of dust mass concentration is presented. It processes measurement results of electromagnetic radiation ranging from the visible to th więcej »
The paper presents theoretical development and experimental analysis of electromagnetic actuators, as mechatronic devices. Mechanical, electrical and magnetic equations are derived and solved for spec więcej »
Dynamie Force Microscopy (DFM) utilizes vibrating próbę tip to measure the topography or materiał properties of a sample. One end of the cantilever is driven by actuator and the tip on the opposite en więcej »
Sandwich type piezoelectric ceramic transducers are the most frequently applied source of ultrasounds in technical cleaning system. They have the ability to radiate in an ultrasonic medium, e.g. water więcej »
The functions of a multipurpose apparatus for diagnostics in veterinary medicine enable the diagnosis of pregnancy of an animal, the measurement of its heart beat frequency, the animaPs body temperatu więcej »
Relatively unknown reinforcement learning algorithm, so called continuous action reinforcement learning automaton, is presented in this contribution. Automaton learning algorithm is based on rewarding więcej »
JIRI BERJAK, Brno University of Technology, Institute of Solid Mechanics, Mechatronics and Biomechanics, Czech Republic MILOSLAY DRUCKMULLER, Brno University of Technology, Institute of Mathematics, C więcej »
The paper points out the advantages of the spray etching method and presents the construction data of an original laboratory etching equipment. The equipment performs optimal working parameters: chemi więcej »
The topie of the presentation is fully automatic production linę designed for medium-series PCBs production. Represented basie technological SMT information and present technical solution. Keywords: S więcej »
The use of a digital human representation - avatar - adds a new value to applications where contact/ interaction between a computer system and human is important. This paper presents a comparison of e więcej »
Preliminary dynamie error characteristics of scanning próbę used with coordinate measuring machines are presented as well as a new method of CMM scanning próbę testing. Keywords: Coordinate Measuring więcej »
In the case of minirobots, the sensorial equipment has often a large size almost equal with that of the minirobot itself, which increases both its dimension and its cost. Besides, the energetic and th więcej »
Increasing applications of active microelements (incl. micromembranes and micromirrors) introduce unprecedented requirements concerning their design and testing. The paper presents a concept of optica więcej »
The paper deals with a problem of experimental studies of miniaturę tilt sensors. There is discussed a methodology of performing such studies, metrological parameters characterising operation of the t więcej »
Evaluation of human enamel in in vitro conditions can be conducted by microscopic and profilometric technigues which can describe delivered surface in quantitative and qualitative way. The aim of the więcej »
One of the most important conditions for implementation of the RoHS directive of European Community is the warranty of good guality and reliability of electrical joints executed in new, environment - więcej »
The following paragraphs address the various methods used to laser mark parts and their generał effects on the substrate materiał. Presents also Iow power diodę pumped Nd:YAG laser - new type of laser więcej »
Two methods of displacement estimation - based on the 1D maximum crosscorrelation coefficient and on the minimum of the sum of absolute differences (SAD) were tested on the RF and baseband envelope da więcej »
A system that allows wireless transmitting photoplethysmographic signals (PPG signals) with the use of the GPRS network has been performed. The examined analog pulse waveforms were converted to digita więcej »
The paper describes applications of feed-forward neural network for calculation of mathematical model for PUMA 560 robot. The model is based on the Lagrange-Euler formulation and described by a set of więcej »
Centrum Zaawansowanych Technologii CZT TIFORA (Technology and Information for Regional Adrancemenf) stanowi konsorcjum niezależnych podmiotów gospodarczych, jednostek naukowobadawczych i stowarzyszeń więcej »
The throttle drives is the most common solution in fluid technique area. They provide with the high guality of positioning control. In case of producing very high forces in the shortest possible time więcej »
The position of the gravity centre of walking robot body is changed depending on individual legs position, velocity, acceleration and configuration of terrain during the movement. Dependencies of posi więcej »
A digital model of an image with speckle noise was constructed and verified by comparison to optically generated images with speckle noise, captured by image intensifier and image acquisition optical- więcej »
The aim of project presents in this paper was to build a Iow-cost experimental walking robot. Robot is four-legged, three d.o.f. each leg. Smali Hitec servos are used in the design. Control unit is co więcej »
A pendulum with vibrating pivot is analyzed. Vibration of the pendulum is presented as two component vibrations. A vibration forces appear and they change properties of the pendulum. The pendulum goes więcej »
Mechatronics elements are very often used as parts of the safety-related devises or systems. As they are used with or as parts of electric/electronic/programmable electronic safety related systems, th więcej »
In the paper an idea of synchronization proceed in electrical power system is considered. Themost important work conditions during realization of this proceed are presented. The main aim of the study więcej »
The atrial single chamber pacing meets with some skepticism despite of the positive hemodynamic results. Therefore we analyzed the changes of atrial single chamber pacing to dual chamber or ventricula więcej »
The research objective was to create a method to enable measuring gains of shoots and crown of a single tree. The dissertation presents the way of creating the method, its possible applications, advan więcej »
The paper presents genetic approach to identification of fuzzy model in Takagi-Sugeno-Kanga form. The presented method is focused on identification of the number of membership functions as well as all więcej »
The paper compares global and local approximation methods used in inverse problems. Global approximators are represented by feedforward multilayer neural network (FFNN); local approximators are repres więcej »
There are two methods to reconstruct images in digital holography, they are based on the Fresnel approximation and the convolution approach. Both of them require however digital reconstruction of imag więcej »
Goal of the paper is to explain of guidance problem of anti-tank mortar missile. Missile is guiding from upper hemisphere. Flying trajectory is corrected by used once impulse rocket correction engines więcej »
The paper deals with design and development of a miniaturized walking robot capable of operating autonomously in an unknown environment. The robot is epuipped with an electronic controller with sensor więcej »
We propose stabilization of a laser diodę output wavelength by using external interferometer that measures wavelength changes and controls laser diodę supplying current in an feedback loop. In this co więcej »
Digital holography is a useful method to measure the shape of rough surfaces with high accuracy. However, because of a smali number of CCD camera pixels and smali detector matrix size, large fluctuati więcej »
Paper presents novel magnetoelastic force sensor with ring-shaped córę madę of amorphous alloy. In this construction uniform distribution of compressive stress can be achieved in the magnetoelastic ri więcej »
In this paper we describe design and modelling of the wired in-pipe micromachine which is able to self motion in pipę with inner diameter 35 mm. Micromachine is used for inspection of inner surface de więcej »
Walking uses a repetitious seguence of limb motion to move the body forward while simultaneously maintaining stance stability. Because each seguence involves a series of interactions between the legs więcej »
The shaping of surface in precision machining requires does not iarge caving of blade in workpiece - microcutting process. This article presents the analysis of microcutting processes with grains loca więcej »
Differential pressure transmitters used in gaś industry for fiscal purposes are working under high linę pressure, sometimes 100 times greater then measured differential pressure. A transmitter charact więcej »
Dynamically developing visualization technigues based on 3D, CT and MRI scanners require universal image processing algorithms. Image processing procedures include image segmentation process, images t więcej »
Międzynarodowe święto wszystkich elektryków jest obchodzone z inicjatywy Stowarzyszenia Elektryków Polskich. Kilkanaście lat temu SEP postanowiło obchodzić uroczyście dziesiąty dzień czerwca każdego r więcej »
New, International, interlaboratory comparison on mechanical and optical coordinate measuring machines (CMMs) nas been organized by the Centre for Geometrical Metrology (CGM) from Technical University więcej »
In order to increase the possibility of controlled medical interference in the broken bonę healing process the scientist and the doctors are looking for solution of this problem. Application of micro więcej »
In the paper the family of miniaturę mobile robots is presented. Chosen aspects concerning robots' design and control are given. Mobile robots were developed in the Institute of Automatic Control and więcej »
The brain with its surrounding tissues is a multicompartment electrical conductor. The activity is obsen/ed as distribution of electric potentials on a scalp and as magnetic field over the head. The d więcej »
Analysis of dynamie properties of interactive drive systems is lately the objęci of interest among researchers from both academic and industry fields. This interest is ref lection of mutually contradi więcej »
unexpected task occurs (e.g. terrain obstacle). In the paper mathematical model of thermal phenomena in electric micromotor used to power robot legs is proposed. The model replaced by neural network c więcej »
Preliminary results of work on new semi-automatic tools as a bridge between traditional laparoscopic manipulatora and surgery robot are presented. The idea is to use the precise mechanical solution co więcej »
Resistance of ultrasonic wire bond is one most essential quality parameter for bonds madę in microelectronic and microsystem elements. In process measurement of bond resistance is very difficult and i więcej »
Increasing technological capabilities to produce active microelements (incl. microbeams, micromembranes and micromirrors) and their expanding areas of application introduce unprecedented requirements więcej »
Nowadays, research concerning applications of Structural Health Monitoring nas arisen a great interest. SHM methods are applied to condition monitoring of machines and structures, structural integrity więcej »
Three different stent types at various positions in elastic replicas of carotid bifurcation were słudied to determine which would be the most effective and safe. Ali experiments were done under physio więcej »
Ali clinimetry symptoms were documented on paper, on special chart of patient. Development of database in architecture client/server nas enabled displacement chart of patient for internet computer env więcej »
One of the methods to obtain 3D objects visualization is holography. The recent progress in CCD/CMOS cameras provides guick development of digita) holographic recording. Optoelectronic reconstruction więcej »
Zebranie odbyło się 3 grudnia 2003 roku w Warszawskim Domu Technika Naczelnej Organizacji Technicznej. Na początku uczczono pamięć mgr inż. Jerzego Rurkowskiego, zmarłego 28 września 2003 roku, który więcej »
In Tele and Radio Research Institute we pursue works to be completely prepared to face the lead free assembly implementation due to Restriction of Hazardous Substances Directive comes into force in Ju więcej »
In the paper a new - designed by authors - non-invasive method for measurement of arterial blood pressure wave was presented. The method described utilizes a pneumatic pressure sensor based on nozzle- więcej »
Civilisation progress increases the number of harmful vibrations in tnę human environment. The paper presents, in a very short and systematic way, the sources of vibration harmful for human body and t więcej »
This paper presents a fuli processing path from 3D-object scanning to its virtual representation with special focus on the virtual museum application. The measurementtechnique is based on opto-numeric więcej »
The paper is concerned with computational simulation of stator winding heating of the synchronous machinę. Software ANSYS 8.0 was used for computational modeling. Computational model considers heat pi więcej »
Robot invented for less, minimally invasive cardiac surgery is a computer-controlled device, located between surgeon's hands and the tip of a surgical instrument. The brief history of robotic surgery więcej »
The work of friction estimated by the measurement of friction force along the sliding distance was experimentally found during nanowear process using Atomie Force Microscopy (AFM). The comparison of t więcej »
Load torque is an important input while carrying experiments upon electrical drive systems either to support designing process or for identification purposes. Realisation of assumed functions of load więcej »
Method of equal channel angular pressing is used for obtaining of new properties of metallic materials. Extrusion of magnesium alloy of the type MgAI9Zn1 nas been verif ied experimentally with focus o więcej »
A new approach alternative to cardiotocographic corwentional fetal monitoring is presented. It relies upon analysis of bioelectrical signals recorded from maternal abdominal wali. Due to strong interf więcej »
We propose optical correlation method for measuring of roughness, based on measurement of a transverse coherence function of a field, as well as the portable device implementing this Wtechnique. Keywo więcej »
The contribution is focused on the application of Q-learning on asynchronous eiectromotor (AE) control. The learning process was divided into two phases - prelearning stage and tutorage stage. Tutorag więcej »
O-learning algorithm in its standard form is limited by discrete states and actions. In order to improve quality of the control the algorithm must be modified to enable direct use of continuous variab więcej »
The principal aim of the research taken is to work out a method of structure and parameters searching i.e. structural and parametric synthesis of discrete model of active mechanical system on the base więcej »
Quantitative, measurable estimation of the image guality is an actual problem. International and Poiish standardization work results of color and 3-D image guality are described. Perspectives of the e więcej »
In the paper we're presenting the results of our work on use of neural networks and fuzzy logie for analysis such eye-bottom images. We propose the methods of analysis of vasculature parameters and th więcej »
Choice of an intelligent tool for computer-aided diagnosis of the coronary artery disease on the basis of the ECG exercise test has been the subject of the paper. Results of application different mode więcej »
Characteristics of electric stepping micro-machines could be changed or shaped by using other methods than simple re-design of their electromagnetic Circuit. Many possibilities of characteristics form więcej »
In the paper the way of establishment of operational characteristics of Mechelle 900 spectrometer eguipped with fast SensiCamFS camera of down to100 ns time exposure is described. The overall responsi więcej »
Specific features of the formation of local and statistical polarization structures of laser radiation scattered in phase-inhomogeneous layers (PIL) of biological tissue (BT) were studied. The distrib więcej »
A test rig to study wetting properties of MEMS (Micro Electro Mechanical Systems) materials, ultrathin films and real microcomponents was constructed and preliminary tests were performed. The computer więcej »
The new construction of the arrangement for supporting laparoscopic surgery, called "multifunction stereotactic manipulator" was presented. The arrangement consists of two parts. The first one laparol więcej »
The interrelation of orientation, anisotropy structure of biotissue architectonics and topologicai element distribution of John Matrices is investigated here. It is researched the analytical correlati więcej »
This paper deals with the design of complex dynamie model of quadruped walking mobile robot. There is described the method of building and Simulating of the numerical computational model. Complex mode więcej »
Wlany mechatronic products are equipped with sophisticated control systems that contain chips and processors. Efficient cooling solutions are needed to deal with the thermal problem. The manufacturing więcej »
Simulation of partiaily coherent light propagation in the near field requires a large computer power. New algorithms for the simulation of spatially partiaily coherent light propagation are proposed, więcej »
This paper presents a developed system designed for fetal magnetocardiography in magnetically unshielded environment. The SOUID based system, eguipped with a third order flux transformer, has a capabi więcej »
The objective of the project "visual attention module for autonomous mobile robots" is the development of an artificiai visual system for mobile robotics applications, which provide the representation więcej »
In this paper authors present a system consisting of operational stereoscopic microscope with two image acquisition channels, data processing unit and Helmet Mounted Display (HMD) for stereoscopic vis więcej »
Pores of nanometer size created in a non-conducting membranę are considered as a new potential molecular sensor, which could be used for detection and characterization of single biomolecules. Especial więcej »
W artykule dokonano przeglądu różnych typów miniaturowych źródeł zasilania, które mogą posłużyć do zaopatrywania w energię układów mikrosystemowych. Przedstawiono urządzenia charakteryzujące się małym więcej »
The work pertains to research of the process of injection moulding (MIM) of elements of iron powder with 2% addition of nickel powder. The results of subsequent steps of the process have been given. A więcej »
Some generał problems of modern automation and mechatronization in agriculture and ecologization are considered and discussed. The concepts of mechatronic technologies and functions of mechatronic sys więcej »
Exercise induces muscle contraction, and in interactivity with cardiovascular and respiratory system produces heat, which dilates by conduction through the tissue to body surface. In individuals with więcej »
Applicability of polarimetric microscopy for the diagnosis of neoplastic changes in tissues was examined. Microscopic images of tissue samples in transmitted laser light were registered using a polari więcej »
A classic converter driven motor system requires an application of a choke in an intermediary DC circuit. We propose to reconstruct the machinę excitation winding in such a way that the magnetic circu więcej »
A performance study of a clamped beam with embedded self-sensing piezoceramic actuator will be presented. We will explore a problem in vibration suppression for the free and forced vibration of the cl więcej »
The features of polarization tomography of optically anisotropic architectonic nets of biotissues (BT) of different morphological structure have been investigated. The features of phase tomography (PT więcej »
In the paper a novel method for detection of helium content in air is presented. The helium concentration is derived f rom changes in sound velocity in the gaś mixture under test. The sound velocity i więcej »
Fetal motor activity (pseudobreathing movements, trunk and limb movements) and the fetal heart ratę are important indicators of fetal well-being. The software developed using the LabVIEW environment p więcej »
The importance of guality of rolls for hot rolling is very high in this time. The main attributes of the rolls are wear resistance and hardness. In this case we consider and realize the development an więcej »
Yalidation procedures are presented for on-line operation of flue gaś software analyzer that is build as Artificial Neural Networks structure. Its done for pulverized coal boiler for Turów Power Plant więcej »
Spectral anaiysis of the tremor signals got from the movement of the writing hand is presented in this paper. Anaiysis of stylus position and velocity is madę upon data collected from the computer sys więcej »
General concept of photonics collaborative laboratory with remote access via Internet or local network and using PC is proposed. The client/server model and server service are presented. The communica więcej »
In measurements of brain evoked activity, the brain response for a repeated stimulus varies from trial to trial. Basing on a mathematical model used for Identification of the response parameters, a co więcej »
The particularities of nonlinear absorption by organie semiconductors in the external magnetic field has been studied. The special features of hysteresis loop formation in the incoming-outgoing iight więcej »
Long bonę fractures can be healed using external fixators - devices that stiffly fix fracture fragments using parallel to the bonę, attached with pins frame. This method affords to take profits both f więcej »
This paper presents results of irwestigation on the influence of torsion on the magnetic properties of amorphous ring cores. Fe based amorphous ribbon ring córę was use in experiment. To achieve unifo więcej »
Paper deals with compaction of elements from powders in conditions of additional support of the process with ultrasonic vibration of the die at the frequency 21-22 kHz. Effect of the die radial ultras więcej »
The effect of adhesion in contact of viscoelastic bodies is discussed. The contact of rigid sphere with viscoelastic layer is considered and the mathematical description of process viscoelastic deform więcej »
There is formulated, formalized parametrical sensitivity concept of discrete-continuous mechatronic systems in representation of polar graphs and structural numbers as a stage of making productions de więcej »
Reliable extraction of fetal MCG from raw signals, measured by SGUID magnetometer, is of high importance for clinical applications of fetal magnetocardiography. For extraction of the fetal magnetocard więcej »
FMECA (Failure Modes, Effects and Criticality Analysis) represents a prevention analysis method, intended to emphasize, to guantify and to classify potential risks that appear in the utilization of a więcej »
The aim of the robot path planning is searching for a path from a start to a goal position without collisions with known obstacles minimizing length, difficulty and risk of the path. A two-dimensional więcej »
Ań algorithm for calculation of the robust Stability region - a diamond - for state space models of continuous-time systems is presented. According to the proposed algorithm one can easily calculate t więcej »
Uroczystość centralna obchodów ŚDT 2004 odbyła się 17 maja br. w Centrum Konferencyjnym Wojska Polskiego w Warszawie. Zgromadziła ona około 400. uczestników. Prezes SEP Stanisław Bolkowski przywitał w więcej »
The influence of the flow ratę pulsation on the characteristics of the mechanical oscillator flowmeter has been investigated. The phenomenon of the freguency "lock-in", well known from the vortex flow więcej »
Vibration testing of silicone microelements using two-beam interferometrie microscopy with time-averaging and the temporal phase shifting (TPS) method for automatic analysis of interferograms is inves więcej »
In the paper a novel, simple and inexpensive setup for surface shape and deformation measurements is proposed. The method uses fringe projection combined with digital holography. First a fringe image więcej »
We show the applicability of the singular optical approach for classification of rough surfaces with large-scale inhomogeneities into random and fractal ones. The maps of amplitudę zeroes of a field v więcej »
In the paper the influence of temperaturę and wavelength on the afterpulses of the avalanche photodiodes is investigated. We demonstrated that the afterpulses formation probability differ for dark and więcej »