Kaizen implementation context and performance

Unapređenje kvaliteta podrazumeva primenu alata, tehnika, metodologija i aplikacija kvaliteta. Njihovom pravilnom upotrebom moguće je postići željeni nivo kvaliteta, a zatim ga stalno poboljšavati. Primena Kaizena može biti od posebne važnosti. Ovaj rad obuhvata istraživanje koje je sprovedeno u lancu snabdevanja velike multinacionalne kompanije (uzorak od 200 kompanija) i analizira primenu Kaizena i kontekstualnih i performansnih promenljivih korišćenjem korelacione analize. Rezultati istraživanja su pokazali da primena Kaizena u kompaniji pozitivno utiče na pokazatelje performansi, posebno u oblasti kvaliteta. Takođe, primena Kaizena je pozitivno korelirana sa promenljivim kao što su organizacioni ciljevi, nivo formalizacije, sistem nagrađivanja, upravljanje konfliktima i napredak i razvoj zaposlenih.Quality improvement implies the application of quality tools, techniques, methodologies and applications. Through their proper use, the desired level of quality can be achieved and then continuously improved. Kaizen implementation could be of particular significance. This paper covers a survey done at a large multinational company supply chain (sample size 200 companies) and analyses the application of Kaizen and contextual and performance variables using correlation analyses. Survey results showed that the implementation of Kaizen in the company increases performance indicators, especially in the area of quality. Also, Kaizen application is positively correlated to variables such as organizational goals and objectives, the level of formalization, reward system, conflict management and progress and development of employees

The economic feasibility of crane cabins with real-time computer-aided visual guidance system

Brojna istraživanja u oblasti nesreća u kojima učestvuju dizalice ukazuju na činjenice da je rad rukovaoca/kraniste posao visokog rizika i da je uzrok nesreća i nezgoda najčešće ljudski faktor. Shodno tome, inovacije na polju unapređenja industrijske bezbednosti procesa u kojima učestvuju dizalice, u smislu pomoći kranisti da ne napravi grešku pri rukovanju, su preko potrebne. Projekat "SPRINCE" za rezultat ima inovativno rešenje sistema za vizuelno navođenje u realnom vremenu, u cilju rešavanja problema smanjene vidljivosti iz kranskih kabina. Ovaj rad analizira ekonomsku opravdanost sistema za vizuelno navođenje i na taj način povezuje ljudske, organizacione i tehničke faktore kroz pristup troškova i koristi. Analizirana su dva predložena scenarija: A) proizvodnja i prodaja kranskih kabina sa sistemom za vizuelno navođenje i B) upotreba (kupovina) kranske kabine sa sistemom za vizuelno navođenje. Tehno-ekonomska analiza pokazuje da su ekonomske koristi u oba scenarija tokom perioda korišćenja više puta veće od nabavne cene, dok je interna stopa prinosa više puta veća od prosečno ponderisane kamatne stope. Period povraćaja uloženih sredstava je manji od četiri godine. Takođe, oba projekta pripadaju kategoriji projekata niskog rizika.Cranes' operations are extremely risky and hazardous tasks, as demonstrated in various surveys in the field of incidents' causes and effects. The most frequent cause of unsafe crane operation task execution is human error. Accordingly, innovation which enables cranes' safe operations, prevents "blind lifts" and helps crane operator to avoid potential error is urgent. Project SPRINCE has proposed computer-aided Visual Guidance System as a real time solution aimed to prevent crane accidents, caused by obstructed view. This paper analyses the economic feasibility of Visual Guidance System application in various scenarios in aim to connect human, technology and organization issues through cost-benefit framework. There are two proposed investment scenarios analysed: A) Producing and selling of crane cabins with real-time computer-aided Visual Guidance System and B) Usage (purchase) of crane cabins with real-time computer-aided Visual Guidance System. The economic appraisal has proved that the total economic benefit in both scenarios in the complete utilization period is several times higher than the buying price, while the internal rate of return is few times higher than the aggregate rate of interest paid. Also, the amount of time which takes to recover the cost of an investment is less than four years. Moreover, both scenarios belong to the category of innovation projects with very low risk

The economic feasibility of crane cabins with real-time computer-aided visual guidance system

Brojna istraživanja u oblasti nesreća u kojima učestvuju dizalice ukazuju na činjenice da je rad rukovaoca/kraniste posao visokog rizika i da je uzrok nesreća i nezgoda najčešće ljudski faktor. Shodno tome, inovacije na polju unapređenja industrijske bezbednosti procesa u kojima učestvuju dizalice, u smislu pomoći kranisti da ne napravi grešku pri rukovanju, su preko potrebne. Projekat "SPRINCE" za rezultat ima inovativno rešenje sistema za vizuelno navođenje u realnom vremenu, u cilju rešavanja problema smanjene vidljivosti iz kranskih kabina. Ovaj rad analizira ekonomsku opravdanost sistema za vizuelno navođenje i na taj način povezuje ljudske, organizacione i tehničke faktore kroz pristup troškova i koristi. Analizirana su dva predložena scenarija: A) proizvodnja i prodaja kranskih kabina sa sistemom za vizuelno navođenje i B) upotreba (kupovina) kranske kabine sa sistemom za vizuelno navođenje. Tehno-ekonomska analiza pokazuje da su ekonomske koristi u oba scenarija tokom perioda korišćenja više puta veće od nabavne cene, dok je interna stopa prinosa više puta veća od prosečno ponderisane kamatne stope. Period povraćaja uloženih sredstava je manji od četiri godine. Takođe, oba projekta pripadaju kategoriji projekata niskog rizika.Cranes' operations are extremely risky and hazardous tasks, as demonstrated in various surveys in the field of incidents' causes and effects. The most frequent cause of unsafe crane operation task execution is human error. Accordingly, innovation which enables cranes' safe operations, prevents "blind lifts" and helps crane operator to avoid potential error is urgent. Project SPRINCE has proposed computer-aided Visual Guidance System as a real time solution aimed to prevent crane accidents, caused by obstructed view. This paper analyses the economic feasibility of Visual Guidance System application in various scenarios in aim to connect human, technology and organization issues through cost-benefit framework. There are two proposed investment scenarios analysed: A) Producing and selling of crane cabins with real-time computer-aided Visual Guidance System and B) Usage (purchase) of crane cabins with real-time computer-aided Visual Guidance System. The economic appraisal has proved that the total economic benefit in both scenarios in the complete utilization period is several times higher than the buying price, while the internal rate of return is few times higher than the aggregate rate of interest paid. Also, the amount of time which takes to recover the cost of an investment is less than four years. Moreover, both scenarios belong to the category of innovation projects with very low risk

Differences on anthropometric measurements of the hand based on laterality in Serbian context

Anthropometric data are essential for designers of products, while hand anthropometric measurements are of special importance due to the fact that grasp enables different manipulation tasks. Literature review shows that differences on anthropometric characteristics of the hand based on laterality in Serbian context have not been examined till now, so this study tested it on the sample containing 110 subjects - 23 left-handed and 87 right-handed. Hand anthropometric measurements include 30 anthropometric dimensions measured on each examined participant. Dimensions are taken by capturing the imprints of the subjects' outstretched hands. Collected data were subjected to descriptive statistics, t-test, Kolmogorov test and Mann-Withney U* tests. Also, 5th and 95th percentiles are calculated on all dimensions. Results show that there are no statistically significant differences based on laterality in Serbian context. Accordingly, hand tools and many other equipment, which are controlled by means of Serbian operator could be designed in the same manner both for workers whose dominant had is left and right. Also, percentiles values are calculated and should be taken into account in design processes. It is recommended, in future research to enlarge sample, repeat statistical testing and analyze hand grasp possible issues

Differences on anthropometric measurements of the hand based on laterality in Serbian context

Anthropometric data are essential for designers of products, while hand anthropometric measurements are of special importance due to the fact that grasp enables different manipulation tasks. Literature review shows that differences on anthropometric characteristics of the hand based on laterality in Serbian context have not been examined till now, so this study tested it on the sample containing 110 subjects - 23 left-handed and 87 right-handed. Hand anthropometric measurements include 30 anthropometric dimensions measured on each examined participant. Dimensions are taken by capturing the imprints of the subjects' outstretched hands. Collected data were subjected to descriptive statistics, t-test, Kolmogorov test and Mann-Withney U* tests. Also, 5th and 95th percentiles are calculated on all dimensions. Results show that there are no statistically significant differences based on laterality in Serbian context. Accordingly, hand tools and many other equipment, which are controlled by means of Serbian operator could be designed in the same manner both for workers whose dominant had is left and right. Also, percentiles values are calculated and should be taken into account in design processes. It is recommended, in future research to enlarge sample, repeat statistical testing and analyze hand grasp possible issues

Kaizen implementation context and performance

Unapređenje kvaliteta podrazumeva primenu alata, tehnika, metodologija i aplikacija kvaliteta. Njihovom pravilnom upotrebom moguće je postići željeni nivo kvaliteta, a zatim ga stalno poboljšavati. Primena Kaizena može biti od posebne važnosti. Ovaj rad obuhvata istraživanje koje je sprovedeno u lancu snabdevanja velike multinacionalne kompanije (uzorak od 200 kompanija) i analizira primenu Kaizena i kontekstualnih i performansnih promenljivih korišćenjem korelacione analize. Rezultati istraživanja su pokazali da primena Kaizena u kompaniji pozitivno utiče na pokazatelje performansi, posebno u oblasti kvaliteta. Takođe, primena Kaizena je pozitivno korelirana sa promenljivim kao što su organizacioni ciljevi, nivo formalizacije, sistem nagrađivanja, upravljanje konfliktima i napredak i razvoj zaposlenih.Quality improvement implies the application of quality tools, techniques, methodologies and applications. Through their proper use, the desired level of quality can be achieved and then continuously improved. Kaizen implementation could be of particular significance. This paper covers a survey done at a large multinational company supply chain (sample size 200 companies) and analyses the application of Kaizen and contextual and performance variables using correlation analyses. Survey results showed that the implementation of Kaizen in the company increases performance indicators, especially in the area of quality. Also, Kaizen application is positively correlated to variables such as organizational goals and objectives, the level of formalization, reward system, conflict management and progress and development of employees

Oblikovanje stripa u stilu pop art-a

Pop art se smatra reakcijom protiv ozbiljnosti apstraktnog ekspresionizma i pobunom protiv prevladavajućih konvencija u umjetnosti i životu općenito. Od stripa i reklamnih oglasa, naljepnica na konzervama s hranom ili bocama, likovima u ilustriranim časopisima, do izrazito primitivnih i masovno proizvedenih predmeta svakidašnje uporabe – sve je postalo temom umjetničke slike. Umjetnici, svaki na svoj način, nastoje uključiti publiku u aktivno sudjelovanje u opažanju i stvaranju djela. Pop art je u komentiranju banalnosti masovne kulture, koje je tretirao čas ironijom čas s razumijevanjem i sućuti, stvorio vrlo učinkovitu umjetničku poruku. Roy Lichtenstein je najpoznatiji po svojim slikama baziranima na stripovima, s temama strasti, romanse, znanstvene fantastike, nasilja i rata. U njima je koristio tehnike komercijalne umjetnosti: projektori povećavaju točke koje rade pištolji za špricanje boje kako bi slike izgledale kao novinski stripovi gledani kroz povećalo. Tema diplomskog rada inspirirana je Lichtensteinovim radom kao i cijelim pop art pokretom, u cilju prijedloga autora za izradu modernog, svima poznatog stripa u stilu novinskih točkica. Kao rezultat ovakvog stripa, očekuje se reakcija publike koja će biti uključena u svaki segment izrade ilustracija za strip u cilju prihvaćanja ovog stila u oblikovanju stripa. Kombiniranjem ilustriranja na način pop arta i drugačije tematike stripa nego do sada viđene u toj tehnici, želi se postići određeni val svježine u stripovskoj industriji i privuči ljude koje inače strip možda ni ne zanima

The Cosmic Microwave Radiation

Mikrovalno kozmičko zračenje je zračenje koje ispunjava svemir, padajući na Zemlju iz svakog smjera skoro jedinstvenom gustoćom. Od ranog 20. stoljeća, dva koncepta transformirala su način razmišljanja astronoma o promatranju svemira. U sklopu prvog koncepta, svemir je fantastično velik - dio svemira vidljivog danas je sfera radijusa približnih 15 milijardi svjetlosnih godina, i mi vjerujemo da je to samo vrh ledenjaka. Drugi koncept je da svjetlost putuje ustaljenom brzinom. Jednostavna posljedica ovih ideja je da se gledanjem u udaljenije predmete vidi sve dalje i dalje u prošlost.The cosmic microwave background radiation is a radiation that fills the universe, falling on Earth from every direction with nearly uniform intensity. Since early twentieth century, two concepts have transformed the way astronomers think about observing the universe. The first is that it is fantastically large; the portion of the universe visible today is a sphere nearly 15 billion light-years in radius, and that, we believe, is just the tip of the iceberg. The second is that light travels at a fixed speed. A simple consequence of these ideas is that as you look at more and more distant objects, you see farther and farther back in time

The Cosmic Microwave Radiation

Mikrovalno kozmičko zračenje je zračenje koje ispunjava svemir, padajući na Zemlju iz svakog smjera skoro jedinstvenom gustoćom. Od ranog 20. stoljeća, dva koncepta transformirala su način razmišljanja astronoma o promatranju svemira. U sklopu prvog koncepta, svemir je fantastično velik - dio svemira vidljivog danas je sfera radijusa približnih 15 milijardi svjetlosnih godina, i mi vjerujemo da je to samo vrh ledenjaka. Drugi koncept je da svjetlost putuje ustaljenom brzinom. Jednostavna posljedica ovih ideja je da se gledanjem u udaljenije predmete vidi sve dalje i dalje u prošlost.The cosmic microwave background radiation is a radiation that fills the universe, falling on Earth from every direction with nearly uniform intensity. Since early twentieth century, two concepts have transformed the way astronomers think about observing the universe. The first is that it is fantastically large; the portion of the universe visible today is a sphere nearly 15 billion light-years in radius, and that, we believe, is just the tip of the iceberg. The second is that light travels at a fixed speed. A simple consequence of these ideas is that as you look at more and more distant objects, you see farther and farther back in time

Presence of nitrates and nitrites in fresh cow milk from milk machines during winter and summer period in the city Zagreb and Zagreb County area

Introduction: The aim of the study was to determine the nitrites and nitrates content in fresh cow’s milk samples from milking machines, and to determine whether their amount is affected by the season of sampling (summer/winter). Methods: The methodology used was analytical transversal method at 2-time points. All milk samples were sampled at milk machines from the City of Zagreb and Zagreb County, during the summer and winter months in 2020. A total of 40 milk samples were sampled, with 20 samples in each monitored period (summer/winter). A high-performance liquid chromatography with a diode array detector was used to identify and quantify concentrations of the nitrate and the nitrite content. The results were processed using descriptive statistics and the statistics of differences. Results: The analysis determined the range of nitrate content from 1.28 mg/kg to 19.71 mg/kg and the range of nitrite content was from 0.49 mg/kg to 3.42 mg/kg in milk samples. The mean result of nitrates in fresh cow’s milk samples in the summer period was 9.12 mg/kg and in the winter period of 3.88 mg/kg. The mean value of nitrite in the summer was 1.23 mg/kg, while the mean value of nitrite in the winter period was 1.48 mg/kg. Conclusion: The research has shown that the nitrate and the nitrite levels in local fresh cow’s milk sampled in milk machines do not exceed the maximum allowable intake. The obtained results confirmed that the amounts of nitrates and nitrites in the milk samples differ significantly during the winter and summer periods and differences are depending on the location of the milk machine