A MYOELECTRIC PROSTHETIC ARM CONTROLLED BY A SENSOR-ACTUATOR LOOP

This paper describes new methods and systems designed for application in upper extremity prostheses. An artificial upper limb with this system is a robot arm controlled by EMG signals and a set of sensors. The new multi-sensor system is based on ultrasonic sensors, infrared sensors, Hall-effect sensors, a CO2 sensor and a relative humidity sensor. The multi-sensor system is used to update a 3D map of objects in the robot’s environment, or it directly sends information about the environment to the control system of the myoelectric arm. Occupancy grid mapping is used to build a 3D map of the robot’s environment. The multi-sensor system can identify the distance of objects in 3D space, and the information from the system is used in a 3D map to identify potential collisions or a potentially dangerous environment, which could damage the prosthesis or the user. Information from the sensors and from the 3D map is evaluated using a fuzzy expert system. The control system of the myoelectric prosthetic arm can choose an adequate reaction on the basis of information from the fuzzy expert system. The systems and methods were designed and verified using MatLab/Simulink. They are aimed for use as assistive technology for disabled people

Proceedings of the 12th International Conference on Kinanthropology

Proceedings of the 12th Conference of Sport and Quality of Life 2019 gatheres submissions of participants of the conference. Every submission is the result of positive evaluation by reviewers from the corresponding field. Conference is divided into sections – Analysis of human movement; Sport training, nutrition and regeneration; Sport and social sciences; Active ageing and sarcopenia; Strength and conditioning training; section for PhD students

REFLECT – Research flight of EURADOS and CRREAT: Intercomparison of various radiation dosimeters onboard aircraft

Aircraft crew are one of the groups of radiation workers which receive the highest annual exposure to ionizing radiation. Validation of computer codes used routinely for calculation of the exposure due to cosmic radiation and the observation of nonpredictable changes in the level of the exposure due to solar energetic particles, requires continuous measurements onboard aircraft. Appropriate calibration of suitable instruments is crucial, however, for the very complex atmospheric radiation field there is no single reference field covering all particles and energies involved. Further intercomparisons of measurements of different instruments under real flight conditions are therefore indispensable. In November 2017, the REFLECT (REsearch FLight of EURADOS and CRREAT) was carried out. With a payload comprising more than 20 different instruments, REFLECT represents the largest campaign of this type ever performed. The instruments flown included those already proven for routine dosimetry onboard aircraft such as the Liulin Si-diode spectrometer and tissue equivalent proportional counters, as well as newly developed detectors and instruments with the potential to be used for onboard aircraft measurements in the future. This flight enabled acquisition of dosimetric data under well-defined conditions onboard aircraft and comparison of new instruments with those routinely used. As expected, dosimeters routinely used for onboard aircraft dosimetry and for verification of calculated doses such as a tissue equivalent proportional counter or a silicon detector device like Liulin agreed reasonable with each other as well as with model calculations. Conventional neutron rem counters underestimated neutron ambient dose equivalent, while extended-range neutron rem counters provided results comparable to routinely used instruments. Although the responses of some instruments, not primarily intended for the use in a very complex mixed radiation field such as onboard aircraft, were as somehow expected to be different, the verification of their suitability was one of the objectives of the REFLECT. This campaign comprised a single short flight. For further testing of instruments, additional flights as well as comparison at appropriate reference fields are envisaged. The REFLECT provided valuable experience and feedback for validation of calculated aviation doses

Musically talented adolescents and entrance exams

Cílem přehledové studie je charakterizovat problémy, které souvisejí s vyhledáváním hudebních talentů a s talentovými zkouškami na vysoké školy s hudebním zaměřením. V první části tato studie přibližuje různá pojetí pojmů nadání a talent i jejich vzájemných vztahů. Ve druhé části definuje pojmy hudební nadání, hudební talent a hudební schopnosti. Třetí část studie analyzuje podobu talentových zkoušek na tři vysoké hudební školy v České republice (HAMU Praha, JAMU Brno a FU Ostrava). Studie diskutuje problémy spojené s komisionálním zkoušením uchazečů při přijímacím řízením a naznačuje možná řešení. Čtvrtá část se detailněji se zabývá výhodami a nevýhodami urychlování vývoje u hudebně talentovaných studentů, tj. případy, kdy jsou přijati bez maturity, a dokládá je reálnými daty. Závěr: má-li přijímací řízení dobře plnit svou predikční funkci při vybírání těch nejlepších studentů z celého souboru uchazečů, musí se opírat o mnohem širší spektrum validních informací než dosud.The aim of the review paper is to describe the issues connected to identifying musical talents and to entrance exams for university programmes specialized in music. The first part introduces the terms giftedness and talent and their relationship. The second part deals with musical giftedness, musical talent, and musical skills. In the third part we analyse the entrance exams to three university programmes specialized in music in the Czech Republic (Academy of Performing Arts in Prague, Janáček Academy of Music and Performing Arts in Brno, and Faculty of Fine Arts at the University of Ostrava). The paper draws attention to the problems arising fromthe fact that the entrance exams are evaluated by a committee and suggests possible solutions. The fourth part focuses in detail on the advantages and disadvantages of accelerating the development of musically talented students, i.e. instances when students are accepted to university without having passed their secondary school leaving examinations, and supports them with data. The authors then conclude that should the entrance exams fu

The utilization of rapeseed expeller for carp (Cyprinus carpio) diets

Production effectiveness of rapeseed stamping in the common carp fodder was attested in the controlled conditions of recirculation system with the absence of natural food. 4 isonitrogenous (31.5% NS) and isoenergetic (17.3 MJ GE.kg−1, resp. 13.5 MJ DE.kg−1) diet with different (35 and 40%) unmodified (URS) and technologically modified (MRS) rapeseed expeller ratio were tested. During the sixty-day feeding trial, beneficial production effect of diet with modified stamping was proved. Diet MRS fish were characterized by significantly (P < 0.05) faster length growth. In comparison with fry of MRS variant, they have reached highly significantly (P < 0.01) the higher values of broad – backedness index and significantly (P < 0.05) higher values of body width. Significant values were not detected by individual weight and HSI. Except the haematocrit value, there were no hematologic and biochemical indices influenced by feed type. Higher content of fat in the URS was shown at fish variant URS/40 by higher fat deposition in hepatopancreas (averagely 30.31%), without statistically significant difference compared to other variants

The influence of linseed oil and fish oil supplements to the fatty acid spectrum of common carp (Cyrinus carpio L.) muscle

Effect of addition 6% of linseed oil (designated L06), 6% and 10% of fish oil (R06 and R10) to feed on the fatty acid spectrum of common carp (Cyprinus carpio L.) was investigated. The basic feedmixture which was used as a control variant (K – 34% protein; 9% fat) and the three with oil addition (L06, R06 and R10) were fed to carp fingerling (43.25 g average weight) for 60 days – from 23rd April to 20th June. Before that the fish were fed for 2 month by whey grain and commercial feed for carp fingerling in pond fish-culture (KP feed mixture – 33% protein; 5% fat) at daily feeding rate 1.5% of actually fish mass. This procedure was intended to create feeding conditions closest to those witnessed in market fish farmed in ponds during the vegetation season nevertheless the spectrum of fatty acids present in the fish muscle at the experiment’s beginning did not fully correspond to what was observed in carps living in ponds and fed by cereals.An addition of 6% of linseed oil to the feed lowers the content of the oleic acid and MUFA and, at the same time, it boosts the contents of the α-linoleic acid, n-3 PUFA and the general PUFA in the meat of carp fed on mixtures thus enriched. Additions of 6% and 10% of fish oil to the feed for common carp increases the content of the eicosapentaenoic acid. The 10% addition proved beneficial for also the ratio of n-3/n-6 PUFA. The high content of the docosapentaenoic acid and the general PUFA in the meat of fish as early as the beginning of the experiment resulted in a smaller number of significant changes in the spectrum of fatty acids (particularly the docosahexaenoic acid, PUFA and n-3/n-6 PUFA) found in the fish meat of the L06, R06 and R10 experimental variants