scispace - formally typeset
Search or ask a question
Institution

Petra Christian University

EducationSurabaya, Indonesia
About: Petra Christian University is a education organization based out in Surabaya, Indonesia. It is known for research contribution in the topics: Population & Customer satisfaction. The organization has 2412 authors who have published 2893 publications receiving 10429 citations.


Papers
More filters
Journal ArticleDOI
TL;DR: The results show that the proposed adaptive technique performs as expected that is refining the problem domain in area with high stress concentration in which higher accuracy is commonly required.
Abstract: A meshless local Petrov-Galerkin (MLPG) method that employs polygonal sub-domains constructed from several triangular patches rather than the typically used circular sub-domains is presented. Moving least-squares approximation is used to construct the trial displacements and linear, Lagrange interpolation functions are used to construct the test functions. An adaptive technique to improve the accuracy of approximate solutions is developed to minimize the computational cost. Variable domain of influence (VDOI) and effective stress gradient indicator (EK) for local error assessment are the focus of this study. Several numerical examples are presented to verify the efficiency and accuracy of the proposed adaptive MLPG method. The results show that the proposed adaptive technique performs as expected that is refining the problem domain in area with high stress concentration in which higher accuracy is commonly required.

7 citations

DOI
01 Jan 2000
TL;DR: In this article, the authors used Neural Network for forecasting using currency rate from 4 countries in Asia taken during the Asian Monetary Crisis from 1997 up to 1999 since the jump was happened in that series.
Abstract: Many methods have been developed to get the optimal result in forecasting. One of them that will be used in this paper is using Neural Network for forecasting. The result will be compared with GARCH(1,1) in the terms of Means Absolute Deviation (MAD) and Means Square Error (MSE). Besides that the accuracy and the power to damp the jump will be observed. The data is currency rate from 4 countries in Asia taken during the Asian Monetary Crisis from 1997 up to 1999 since the jump was happened in that series. Abstract in Bahasa Indonesia : Ada banyak metode yang telah dikembangkan untuk mencapai hasil yang optimal dari suatu peramalan. Salah satu yang akan diulas pada makalah ini adalah penggunaan Neural Network atau jaringan saraf untuk mendapatkan hasil peramalan yang diharapkan dapat meningkatkan optimasi dan akurasinya. Hasil dari metode ini akan dibandingkan dengan metode GARCH(1,1) dalam bentuk Means Absolute Deviation (MAD) dan Means Square Error (MSE). Selain itu dilakukan pula pengamatan terhadap peredaman jump (perubahan mendadak). Data yang digunakan adalah nilai tukar mata uang dari empat negara di Asia yang diambil selama krisis moneter di Asia. Kata Kunci: Backpropagation, MAD, MSE, GARCH(1,1), jump.

7 citations

DOI
22 Nov 2005
TL;DR: The main aim of using the local content is to give a vision of the richness culture through graphic design in interactive multimedia technology through implementing local graphic design based on the cultural background by implementing some cultural information background.
Abstract: As the computer becomes a trend%2C interactive multimedia design can be one media to communicate the cultural knowledge. A folktale can be a one of the powerful materials to show a country’s culture. The folktale content can be understood effectively by implementing some cultural information background. The main aim of using the local content is to give a vision of the richness culture through graphic design in interactive multimedia technology. By implementing local graphic design based on the cultural background%2C user can have different feeling about the graphic style and the Indonesian richness culture. This method can also help the user to understand the interactive multimedia content easily. Finally%2C graphic design with local content is very effective for a transferring the richness culture. In order to make a good interactive multimedia design content based on a cultural background%2C a designer should need to understand about users%2C culture%2C technology and the whole design process. Abstract in Bahasa Indonesia : Seiring dengan berkembangnya penggunaan komputer menjadi suatu trend%2C interaktif multimedia desain dapat menjadi suatu media untuk mengkomunikasikan suatu pengetahuan mengenai suatu kebudayaan. Cerita rakyat%2C dapat merupakan kekuatan untuk menunjukan budaya suatu negara. Isi dari suatu cerita rakyat dapat dimengerti secara efektif dengan implementasi beberapa latar belakang budaya. Tujuan utama dari penggunaan muatan lokal adalah untuk memberikan suatu visi tentang kekayaan budaya melalui desain grafis dalam teknologi interaktif multimedia. .Dengan mengimplementasikan desain grafis lokal berdasar pada latar belakang budaya%2C pengguna multimedia dapat mempunyai perasaan yang berbeda terhadap gaya desain dan kekayaan budaya Indonesia. Metode ini diharapkan juga dapat membantu pengguna untuk mengerti isi suatu interaktif multimedia secara mudah. Pada akhirnya%2C dapat dikatakan bahwa muatan lokal sangatlah bermanfaat untuk mentranfer pengetahuan tentang kekayaan budaya. Untuk membuat suatu muatan desain interaktif multimedia secara baik berdasar pada suatu latar belakang budaya%2C seorang desainer perlu mengerti tentang pengguna%2C kebudayaan%2C teknologi dan keseluruhan proses desain. design process%2C interactive multimedia%2C culture%2C technology.

7 citations

Journal ArticleDOI
TL;DR: In this paper, the effect of motivation variables such as physical need, safety and labor need, social need, self-esteem need, and actualization need on the productivity of workers at home industries in Sidoarjo region.
Abstract: The research was carried out to find the effect of motivation variables such as physical need, safety and labor need, social need, self-esteem need, and actualization need on the productivity of workers at home industries in Sidoarjo region. This research also intended to find which variables mostly affect that productivity. I used the primary data which was derived form a survey on 40 respondents of home industries located at 4 local districts in Sidoarjo region: Tanggulangin, Candi, Buduran and Waru. The technique of data collecting used in this research wan Non Proportional Satisfied Random Sampling. Validity and reliability analysis was used to test the validity and reliability technique. Double linear regression was used as an analysis model. This model was chosen because this research intended to find to that extend independent variables affect dependent variables. This research indicated that motivation variables such as physical need, safety need, labor safety need, social need, self-esteem need and actualization need together showed a significant effect on the productivity of worker at home-industries in Sidoarjo. Partial and simultaneous analysis both indicated that, among those variables, physical both indicated the strongest influence, especially at Candi region. This was in line with the type of industry in that region that is "tempe" (soybean cake) industry. This industry offers lower payment/wages compared with other industries which produce bags, suitcases, shoes and other leather handicraft. The result of calculation for all the district as well as for each district indicated that self-actualization variables did not al all affect the productivity of workers. This was indicated by the regression coefficient value and the low T value which conformed to the theory that self-actualization need is the last-fulfilled need after the other four needs. This condition was supported by the low education level of the workers which approved from the data collecting through questionnaire. I hope the result of this research can be value for businessmen at home industries as an input in motivating their workers and in the company policy-making. Abstract in Bahasa Indonesia : Penelitian ini dilakukan untuk mengetahui pengaruh variabel-variabel motivasi yang terdiri atas kebutuhan fisiologis, kebutuhan keselamatan dan keamanan kerja, kebutuhan sosial, kebutuhan penghargaan serta kebutuhan aktualisasi terhadap produktivitas tenaga kerja karyawan pada industri rumah tangga di Kabupaten Sidoarjo. Disamping itu juga ingin diketahui cariabel mana yang mempunyai pengaruh yang kuat atau dominan terhadap produktivitas tenaga kerja karyawan. Adapun data yang digunakan adalah data primer yang diperoleh melalui survei terhadap 40 (empat puluh) responden industri rumah tangga yang berlokasi di 4 (empat) kecamatan yaitu : Kecamatan Tanggulangin, Candi, Buduran dan Waru di wilayah Kabupaten Sidoarjo. Teknik pengumpulan data yang diambil dengan menggunakan Teknik Non Proporsional Stratified Random Sampling. Untuk menguji kesahihan dan keandalan intrumen penelitian digunakan analisis validitas dan reabilitas. Teknik validitas yang digunakan adalah construct validity sedangkan teknik reabilitas adalah split-half method (belah dua). Model analisis yang digunakan dalam penelitian ini adalah regresi linier berganda. Model ini dipilih karena dalam penelitian ini ingin mengetahui seberapa besar pengaruh variabel bebas terhadap variabel tidak bebas. Berdasarkan hasil perhitungan menunjukkan bahwa variabel-variabel motivasi yang terdiri dari kebutuhan fisiologis, kebutuhan keselamatan dan keamanan kerja, kebutuhan sosial, kebutuhan penghargaan serta kebutuhan aktualisasi secara serempak menunjukkan pengaruh yang bermakna terhadap produktivitas tenaga kerja karyawan pada industri rumah tangga di Kabupaten Sidoarjo. Dari hasil pengujian secara parsial maupun simultan diketahui kebutuhan fisiologis mempunya pengaruh yang paling kuat diantara variabel lainnya terutama untuk Kecamatan Candi. Hal ini sesuai dengan jenis industri rumah tangga di kecamatan tersebut yaitu sayangan dan industri tempe. Dimana industri rumah tangga ini memberikan upah yang lebih rendah dibandingkan dengan industri yang berlokasi di tiga kecamatan lainnya (Kecamatan Tanggulangin, Buduran dan Waru) yang memproduksi tas, koper ataupun sepatu serta kerajinan kulit. Selanjutnya dari semua hasil perhitungan baik yang menggunakan data gabungan seluruh kecamatan maupun untuk masing-masing kecamatan, variabel kebutuhan aktualisasi diri didapatkan tidak berpengaruh sama sekali terhadap perubahan produktivitas tenaga kerja. Hal ini terbukti dengan didapatkannya nilai koefisien regresi dan nilai t hitungnya yang rendah. Sesuai dengan teori bahwa kebutuhan aktualisasi diri merupakan kebutuhan yang paling akhir sendiri pemenuhannya setelah ke empat kebutuhan lainnya terpenuhi. Kondisi ini didukung oleh rendahnya tingkat pendidikan para tenaga kerja karyawan yang tercermin dari hasil pengumpulan data melalui kuisioner. Penelitian ini diharapkan dapat bermanfaat bagi pengusaha industri rumah tangga yang ada di Kabupaten Sidoarjo sebagai masukan yang berupa informasi tentang pengaruh variabel-variabel motivasi terhadap produktivitas tenaga kerja karyawan, yang dapat dipergunakan sebagai bahan pertimbangan dalam menentukan kebijakan untuk memotivasi pekerjanya. Kata kunci : motivasi, produktivitas, tenaga kerja, kebutuhan dan industri rumah tangga.

7 citations

08 Jul 2013
TL;DR: In this paper, the Value Stream Mapping is used to examine the waste in the spare part warehouse of a leading cigarette manufacturer in Indonesia, and the analysis of the waste analysis showed that the waste could be reduced as much as 50.5% and 100% respectively.
Abstract: PT. XYZ is one of the leading cigarette manufacturers in Indonesia. It has four type of warehouses there is spare part, DIM, clove and leaf . The company is continuously improving and increasing its working quality by examining the waste. The Value Stream Mapping is the concept in the Lean Manufacturing to examine the waste. Two number of waste are identified inside the spare part warehouse. They are transportation and waiting waste. From the waste analysis, the transportation waste could be reduced to 39.98%, 49.71%, 100% and waiting waste could be reduce to 70,34%. Transportation and waiting waste are also identified inside the DIM warehouse. From the waste analysis, they could be reduced to 50.05% and 100%. There is only one waste identified in the clove and leaf warehouse, there is over processing and inventory, respectively. From the waste analysis, the waste could be reduced as much as 50.5% and 100% respectively.

7 citations


Authors

Showing all 2425 results

Network Information
Related Institutions (5)
Universiti Teknologi Malaysia
39.5K papers, 520.6K citations

73% related

National University of Malaysia
41.2K papers, 552.6K citations

72% related

University of Malaya
51.4K papers, 1M citations

70% related

Nottingham Trent University
12.8K papers, 307.4K citations

70% related

Chiang Mai University
19.9K papers, 351.7K citations

69% related

Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20237
202213
2021128
2020202
2019230
2018218