scholarly journals SIMULATION OF FEEDBACK LOOPS IN ENGINEERING DESIGN

2021 ◽  
Vol 1 ◽  
pp. 2661-2670
Author(s):  
Francisco Tapia ◽  
Alison McKay ◽  
Mark Robinson

AbstractFeedback loops are a key characteristic of engineering design processes that increase complexity, time to market, and costs. However, some feedback loops, due to design iteration, have a positive impact on design outcomes (i.e., the quality of the final design), so are worth the time and costs incurred. Other loops, resulting from rework, also have a positive impact on the final design but their impact on current projects, in terms of their urgency and so interruption, is high. Thus, overall, and drawing on socio-technical systems literature, some feedback loops are virtuous circles with a positive impact whereas others are vicious circles with a negative impact. In this paper, we report early work exploring these interplays between rework and design iteration through the development of process simulation models.

2018 ◽  
Vol 8 (2) ◽  
pp. 67-74
Author(s):  
Tamrin ◽  
Zulfan Saam ◽  
Sofyan H. Siregar

The research was done in December 2016 to March 2017 and located in Pasir Keranji Village, Pasir Penyu Districts, Indragiri Hulu Regency. The purpose of this research is analizing the impacts of sandstone mining activities against erosion in Indragiri River, quality of Indragiri River water and local socio-economic conditions. Based on the reasearch, sand-stone mining in Indragiri River causes erosion so that the river body widened and the depth of the river is shallower due to sedimentation. Other than that, quality of Indragiri River water such as brightness, turbidity, TSS, DO and BOD5 including the polluted category. This is caused by sand-stone mining activities, waste from palm factory and gold mining along the Indragiri River. Socially and economically, the sand-stone mining activities have a positive impact in improve the living standards of local communities and have a negative impact on environmental quality


2019 ◽  
Vol 1 (1) ◽  
pp. 56-69
Author(s):  
Engkus ◽  
Cecep Wahyu Hoerudin ◽  
Dedeng Yusuf Maolani

The main problem of this regional autonomy research is the low competence of human resources in the New Autonomous Region of  Pangandaran Regency, which is caused by its suboptimal implementation. The purpose of this study is to describe the implementation of regional autonomy and its impact. The method used is a qualitative approach with observation, interview and library study techniques. This study concludes that the implementation of regional autonomy in Pangandaran is not yet optimal. The positive impact of regional autonomy can increase the efficiency and responsiveness of government in public services with public preference, and arouse the spirit of competition and innovation among local governments. The negative impact, the quality of public services is low, due to the transfer of authority which is often misunderstood or misused so that adequate and formal supervision and control is needed both formally and informally as well as synergy between local, provincial and central governments.


Author(s):  
Vyacheslav Yu. Babyshev ◽  
◽  
Galina A. Barysheva ◽  
Thi Bich Ngoc Tran ◽  
Dao Thanh Binh ◽  
...  

Technological and demographic changes have actualized the question of the influence of the nature of employment and the parameters of the workplace on the quality of a person’s working life. A scientific review and analysis of the impact of current trends in employment modes on the quality of human life is presented. Based on the literature review, it has been concluded that if there is unanimity among scientists about the positive impact of the regime of protected and standard employment on the quality of life, there is active debate about the impact of the regime of vulnerable and precarious employment. Also, based on the analysis of the literature, it has been determined that people’s subjective satisfaction does not always coincide with a positive impact on the objective quality of life. The study is based on comparative and correlation analysis as a method for processing statistical data from the OECD, ILO and WB. The employment regimes were classified according to four enlarged groups: economic sectors, professions, status, and employment regime. The assessments of the quality of life were classified according to three indicators: the human development index, the quality of life index and the international happiness index. The most important factors in the development of the labor market, influencing the quality of working life, have been identified: parameters of the quality of the workplace (the level of wages, employment stability, qualifications of workers, the level of social and legal guarantees) and the general level of employment. The most reasoned point of view was revealed: the regime of standard protected employment (permanent full-time work under a formal contract) has a positive effect, and the regime of precarious work (various options for informal, temporary or part-time employment) has a negative impact on the quality of life. The protected employment regime (hired labor and selfemployment as an entrepreneur) has a positive effect, while the vulnerable employment regime (individual self-employment and intra-family employment) has a negative impact on the quality of life. The transition to a “new” economy and highly skilled jobs has a significant impact on the quality of working life. The opinion of experts about non-standard forms of employment as a single category is refuted. The positive influence of the mode of part-time employment on the quality of life is revealed, the contradictory influence of the mode of temporary employment on the quality of life is shown. Achievement of material well-being and sociopolitical stability to a large extent contradicts the subjective happiness of people and the protection of the environment.


2021 ◽  
Vol 2 (12) ◽  
pp. 884-893
Author(s):  
Widya Andelina ◽  
Aprih Santoso

The research aims to study the impact of the role of internal audit, the application of regional accounting systems, and human resource competencies on the quality of financial statements. A sample of 141 employees according to the purposive sampling method and by distributing questionnaires. It turned out that the questionnaire returned was only from 138 employees. Data analyzed through moderate regression analysis (MRA) from the SPSS program. The results of the study stated that the role of internal audit has a negative impact on the quality of financial statements, the application of regional accounting systems and human resource competencies have a positive impact on the quality of financial statements


2019 ◽  
Vol 16 (2) ◽  
pp. 169
Author(s):  
Wilko Rahmad Zulkarnaini ◽  
Elfindri Elfindri ◽  
Delfia Tanjung Sari

ABSTRACTCities are spatial plans on the surface (land) with administrative boundaries that have been determined where there is concentration of the population in it along with various economic, social and political activities. The city is a residential spatial structure with a large number of people on limited urban land, which is generally non-agrarian. The development of the city does not always have a positive impact, but it has a negative impact including the emergence of slum areas around the city center. Around the city center there are various centers of activity including tourism, health, education and trade as well as services in the city, provincial and national levels. The five activities are developing quite rapidly which has resulted in the development of residential areas around the city center and the poor development of slums in these locationsThe purpose of this study is to analyze the factors that influence the development of slums. The research location is in the city of Bukittinggi, West Sumatra Province. This study uses primary data by distributing questionnaires to households throughout the City of Bukittinggi. The analysis used is logistic regression analysis. The results showed the factors that influence the development of slums including the Quality of Dwelling, Building Density, Education and Road Accessibility. These influencing factors can be used as a reference for alleviating slums in Bukittinggi City.Keywords: cities, households, slum areas. ABSTRAKKota merupakan suatu tempat pemusatan berbagai kegiatan manusia baik dari kegiatan sosial, kegiatan ekonomi, maupun kegiatan politik dimana berkonsentrasi pada satu tata ruang di atas permuakaan (darat) yang memiliki batas-batas wilayah administrasi yang sudah ditetapkan. Kota merupakan suatu tata ruang permukiman berpenduduk dengan jumlah yang banyak di atas lahan perkotaan yang terbatas, yang pada umumnya bersifat non agraris. Perkembangan kota tidak selalu menimbulkan dampak positif, namun memiliki dampak negatif diantaranya munculnya kawasan permukiman kumuh di sekitar pusat kota. Di sekitar pusat kota memiliki berbagai pusat  kegiatan diantaranya pariwisata, kesehatan, pendidikan dan perdagangan serta jasa baik di lingkup kota, provinsi maupun nasional. Kelima kegiatan tersebut berkembang dengan cukup pesat yang mengakibatkan berkembang kawasan permukiman di sekitar pusat kota dan buruknya berkembang permukiman kumuh di lokasi tersebut. Tujuan dari penelitian ini adalah untuk menganalisis faktor-faktor yang mempengaruhi perkembangan permukiman kumuh. Lokasi penelitian berada di Kota Bukittinggi Provinsi Sumatera Barat. Penelitian ini menggunakan data primer dengan menyebarkan kuesioner ke rumah tangga se-Kota Bukittinggi. Analisis yang digunakan adalah analisis regresi logistik. Hasil penelitian menunjukkan faktor-faktor yang mempengaruhi perkembangan permukiman kumuh diantaranya Kualitas Hunian, Kepadatan Bangunan, Pendidikan dan Aksesibilitas Jalan. Faktor-faktor yang mempengaruhi ini dapat dijadikan sebagai acuan guna pengentasan permukiman kumuh di Kota Bukittinggi.Kata kunci: kota, rumah tangga, permukiman kumuh.


2019 ◽  
Author(s):  
Susy Yuliastanty

The purpose of this paper is to determine the impact of a free school for the quality of education in Indonesia in view of the aspects, background and purpose of the establishment of free schools, positive and negative impacts holding of free schools, Solutions negative impact of free school program, Effects of Free School Policy on the Quality / quality Education and the Master. The results of the analysis that the economic situation is a portrait of the people who still support the cause of increasing lower the school dropout rates from time to time. While the legislation of our country mandated to continue to educate the children of the nation, the compulsory education program launched by the government be constrained. Efforts to realize the education budget of 20% of the state budget.Free education program does provide a lot of positive impact on education in Indonesia, among which: the inequality of education in Indonesia, providing opportunities for children who are less able to be able to get an education bench, reduce the level of ignorance, unemployment, and poverty, education levels Indonesia will increase, generating qualified human resources, realize the ideals of the Indonesian nation that is participating educate the children of the nation, to promote education and the nation's economy. In addition to a positive impact, free schools also have a negative effect, such as a lack of operating funds because it is centered on the BOS funds, the declining quality of education, lack of motivation and enthusiasm to learn some students because of the effects of free, reduced awareness of parents will be the responsibility of financing education, opportunities misappropriation of budget funds if not closely monitored.


2019 ◽  
Vol 14 (1) ◽  
pp. 20-28 ◽  
Author(s):  
Muhamad Nadratuzzaman Hosen ◽  
Syafaat Muhari

This study is aimed at analyzing the financial performance and indicator of macroeconomics to influence the quality of financing at Islamic Rural Bank Industry (IRBI) in Indonesia. The panel data regression is used to predict the change of quality of financing which is reflected by value of non-performing financing (NPF). The model of this study is grouped by four areas of working zones because IRBI has different competency depending on its region. The sample of the study used 72 IRBIs in the periods of Quarter II 2010 to Quarter I 2016. The results of the study show that simultanuously variables for the size of banks, financing to deposit ratio (FDR), operational efficiency ratio (OER), return on equity (ROE), expense to assets (EA), percentage of gross domestic product (GDP), and the rate of inflation are statistically significant to non-performing financing of the IRBI in Indonesia. GDP has strongly significant impact on the NPF of IRBI in Indonesia. According to Areas of working zones, inflation has quite significant impact on the IRBI in Zone One, and GDP has strongly significant impact on the IRBI in Zone Two, Zone Three, and Zone Four. Nevertheless, there are different effects of GDP towards NPF which has a negative impact on Zone One and Zone Four, meanwhile Zone Two and Zone Three have positive impact. In conclusion, government policy treatment should be different at every zone.


JURNAL PUNDI ◽  
2020 ◽  
Vol 3 (3) ◽  
pp. 227
Author(s):  
Nazzarudin Aziz ◽  
Vito Shiga Hendrastyo

The survey conducted by Top Brand Indonesia obtained the latest data in 2016 indicates that the interest of saving customers at Bank Syariah Mandiri low is no exception in Bank Syariah Mandiri branch of Ulak Karang. It can certainly be influenced by various things, namely whether the quality of services provided by employees of Bank Syariah Mandiri is still less satisfactory, the promotion made by Bank Syariah Mandiri is still less attractive, and still decreased the level of customer confidence in Bank Syariah Mandiri.From the results that researchers do can be concluded that the quality of service, trust and promotion influence together on the interest of customers in saving. For the quality of service and promotion have a significant and positive impact on the interest of customers in saving but in the trust does not have a significant and negative impact on interest of customers in saving.


2018 ◽  
Vol 15 (2) ◽  
pp. 52-58
Author(s):  
A A Khan ◽  
K U Sarker ◽  
M F Hossain ◽  
M M Haque ◽  
I H Mian

Effect of pre-storage fungicidal treatment on prevalence of seed-borne fungi and quality of onion (Allium cepa L.) seeds was evaluated under laboratory condition. Seeds were treated separately with five fungicides namely Bavistin 50 WP (Carbendazim) and Dithane M-45 (Mancozeb) @ 2.2 g/kg, Homai (Thiophanate) and Rovral (Iprodione) @ 2.0 g/kg and Provax-200 (Carboxin) @ 3.0 g/kg of seeds before storage. Prevalence of seed-borne fungi, percent seeds germination and vigor index were evaluated just before storage, 75 and 150 days after storage. Fungicides produced significant negative impact on seed-borne fungi and positive impact in maintaining quality during storage. Provax-200, Rovral, Dithane M-45 and Bavistin effectively reduced seed-borne fungi and performed better for germination and vigor of seeds. Seed treatment with Provax-200, Rovral, Bavistin or Dithane M-45 would therefore be suggested as effective fungicides to control seed-borne fungal infection and maintain better germination and vigor of onion seed in storage.The Agriculturists 2017; 15(2) 52-58


2014 ◽  
Vol 2014 ◽  
pp. 1-4 ◽  
Author(s):  
Rebecca James ◽  
Heidi E. Frasure ◽  
Sangeeta T. Mahajan

Background. Multiple sclerosis (MS) healthcare providers (HCP) have undergone considerable educational efforts regarding the importance of evaluating and treating pelvic floor disorders, specifically, urinary dysfunction. However, limited data are available to determine the impact of catheterization on patient quality of life (QoL). Objectives. To describe the use of urinary catheterization among MS patients and determine the differences between those who report positive versus negative impact of this treatment on QoL. Methods. Patients were queried as part of the 2010 North American Research Committee On Multiple Sclerosis survey; topics included 1) urinary/bladder, bowel, or sexual problems; 2) current urine leakage; 3) current catheter use; 4) catheterizing and QoL. Results. Respondents with current urine leakage were 5143 (54.7%), of which 1201 reported current catheter use (12.8%). The types of catheters (intermittent self-catheterization and Foley catheter (indwelling and suprapubic)) did not differ significantly. Of the current catheter users, 304 (25.35%) respondents reported catheterization negatively impacting QoL, 629 (52.4%) reported a positive impact on QoL, and 223 (18.6%) reported neutral QoL. Conclusions. A large proportion of catheterized MS patients report negative or positive changes in QoL associated with urinary catheterization. Urinary catheterization does not appear to have a universally negative impact on patient QoL.


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