Garuda - Garba Rujukan Digital

p-Index From 2020 - 2025

0.444

P-Index

This Author published in this journals

All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Penelitian Sains Teknologi Forest and Society

Santoso, Widodo Budi

Unknown Affiliation

Author-ID : 1217763

Agriculture, Biological Sciences & Forestry Education Electrical & Electronics Engineering Environmental Science Social Sciences

Published : 6 Documents Claim Missing Document

Claim Missing Document

Articles

Pengembangan Model Penyaklaran Lampu Terpusat Berbasis Mikrokontroler dan Komputer Handaga, Bana; Supriyono, Heru; Santoso, Widodo Budi
Jurnal Penelitian Sains Teknologi Volume 13, No. 1, April 2012
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar

Saklar manual yang dipakai pada sebuah gedung memiliki kekuranganyaitu pada selepas jam kerja petugas khusus harus jalan berkelilinguntuk mengecek apakah ada lampu yang belum dipadamkan. Tujuanpenelitian ini adalah untuk mengembangkan sebuah alat untukpenyaklaran lampu secara terpusat, yang dapat digunakan untukmenghidupkan atau mematikan lampu dan memonitornya dari jarakjauh berbasis sistem mikrokontroler dan personal computer (PC). Sistemberbasis mikrokontroler digunakan untuk mengukur besarnya arusyang mengalir kemudian mengirimkannya ke PC dan menghasilkanperintah untuk menghidupkan atau mematikan lampu. PC yang berisiprogram aplikasi mempunyai fungsi untuk menampilkan konsumsidaya berdasarkan arus yang diterima dari sistem mikrokontrolersecara real time dan mempunyai fasilitas saklar dan tombol virtualyang bisa digunakan untuk menghidupkan atau mematikan lampu.Pengujian dilakukan dengan dua tahap: pengujian per blok danpengujian keseluruhan. Hasil pencatatan daya pada PC dicocokkandengan perhitungan secara teoritis untuk rentang waktu sekitar 3minggu pengamatan secara kontinyu untuk mengecek akurasinya. Hasilpengujian menunjukkan lampu bisa dihidupkan dan dipadamkandengan menggunakan tombol program aplikasi. Tampilan daya di PCmempunyai kecocokan dibandingkan dengan perhitungan secarateoritis.

Fuel consumption and CO2 emission investigation of range extender with diesel and gasoline engine Wahono, Bambang; Nur, Arifin; Praptijanto, Achmad; Santoso, Widodo Budi; Suherman, Suherman; Lu, Zong
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 7, No 2 (2016)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Range extender engine is one of the main components of the range-extended electric vehicle (REEV) and together with a generator to extend the mileage of the electric vehicle. The main component of REEV is an electric motor, battery, and generator set that consist of generator and engine. In this study, we compared two models of REEV performance with two different types of the engine by simulation. Single cylinder 499 cc gasoline engine and single cylinder 667 cc diesel engine are chosen as the object of this research especially relating to the utilization of the fuel consumption and CO2 emissions when fitted to an electric vehicle. The simulation was conducted by using AVL Cruise software and performed by entering the data, both experiment and simulation data, on all the main components of REEV. This simulation was performed in Japan 08 driving cycle. Based on the simulation, fuel consumption is reduced up to 35.59% for REEV with single cylinder diesel engine 667 cc compared to REEV with single cylinder gasoline engine 499 cc. The reduction of CO2 emissions from REEV with single cylinder 499 cc gasoline engine compared to REEV with single cylinder 667 cc diesel engine up to 30.47%.

Thermal efficiency and emission characteristics of a diesel-hydrogen dual fuel CI engine at various loads condition Putrasari, Yanuandri; Praptijanto, Achmad; Nur, Arifin; Santoso, Widodo Budi; Pratama, Mulia; Dimyani, Ahmad; Suherman, Suherman; Wahono, Bambang; Wardana, Muhammad Khristamto Aditya; Lim, Ocktaeck
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 9, No 2 (2018)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Efforts to find alternative fuels and reduce emissions of CI engines have been conducted, one of which is the use of diesel hydrogen dual fuel. One of the goals of using hydrogen in dual-fuel combustion systems is to reduce particulate emissions and increase engine power. This study investigates the thermal efficiency and emission characteristics of a diesel-hydrogen dual fuel CI engine at various loads condition. The hydrogen was used as a secondary fuel in a single cylinder 667 cm3 diesel engine. The hydrogen was supplied to intake manifold by fumigation method, and diesel was injected directly into the combustion chamber. The results show that the performance test yielding an increase around 10% in the value of thermal efficiency of diesel engines with the addition of hydrogen either at 2000 or 2500 rpm. Meanwhile, emission analyses show that the addition of hydrogen at 2000 and 2500 rpm lead to the decrease of NOx value up to 43%. Furthermore, the smokeless emissions around 0% per kWh were occurred by hydrogen addition at 2000 and 2500 rpm of engine speeds with load operation under 20 Nm.

Vehicular networking and computer vision-based distance estimation for VANET application using Raspberry Pi 3 Pratama, Mulia; Gruosso, Giambattista; Santoso, Widodo Budi; Praptijanto, Achmad
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 10, No 1 (2019)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

This research was implementing vehicle networking using WIFI connection and computer vision to measure the distance of vehicles in front of a driver. In particular, this works aimed to improve a safe driving environment thus supporting the current technology concept being developed for inter-vehicular networking, VANET, especially in its safety application such as Overtaking Assistance System. Moreover, it can wirelessly share useful visual information such as hazard area of a road accident. In accordance with Vehicle-to-Vehicle (V2V) concept, a vehicle required to be able to conduct networking via a wireless connection. Useful data and video were the objects to be sent over the network established. The distance of a vehicle to other vehicles towards it is measured and sent via WIFI together with a video stream of the scenery experienced by the front vehicle. Haar Cascade Classifier is chosen to perform the detection. For distance estimation, at least three methods have been compared in this research and found evidence that, for measuring 5 meters, the iterative methods shows 5.80. This method performs well up to 15 meters. For measuring 20 meters, P3P method shows a better result with only 0.71 meters to the ground truth. To provide a physical implementation for both the detection and distance estimation mechanism, those methods were applied in a compact small-sized vehicle-friendly computer device the Raspberry Pi. The performance of the built system then analyzed in terms of streaming latency and accuracy of distance estimation and shows a good result in measuring distance up to 20 meters.

Emergent Institutional Issues from New Tenure Reforms and Social-Forestry Initiatives in Indonesia: Notes from The Field Kusuma, Aprisep Ferdhana; Sahide, Muhammad Alif K.; Purwanto, Ris Hadi; Ismariana, Ema; Santoso, Widodo Budi; Wulandari , Eka; Maryudi, Ahmad
Forest and Society Vol. 7 No. 2 (2023): NOVEMBER
Publisher : Forestry Faculty, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/fs.v7i2.28319

In Indonesia, land tenure reform has been approached as a policy priority by the government to address rural poverty and achieve distributive economic equity. It is instituted around allocation and consolidation of land ownership and access. Tenure reform policy promises over 21.7 million hectares (including 16.8 million hectares of forestland) to be distributed through two modes, i.e., land subject to agrarian reform and social forestry. Specifically for Java, the country’s most populated island, the government has recently allocated 1.1 million hectares of state forests to be entrusted to local communities in a scheme called Kawasan Hutan Dengan Pengelolaan Khusus/KHDPK (Forest Zones for Special Management Purposes). Approximately three-quarters of the KHDPK-reserved forestland is pledged for SF licensing/permits to be completed by 2024. Currently, there is heightened activity to hand over social forestry permits. However, the KHDPK-designated forest is not an unoccupied resource that can simply be transferred/granted to local communities. From only four sites, we discovered that the forests have been guided by contrasting (often conflicting) principles, norms, and values that have shaped the existing tenure arrangements, how it is used and managed, and by whom. Such issues must be navigated prior to introducing the new policy and implementation regime. We conclude that while the policy rationales look perfect as a framework, KHDPK implementation exhibits impediments and potential failures. There is risk of altering it into a mere industry of policy rhetoric, sustaining major flaws from design to execution.

Corruption in Social Forestry in Indonesia Ismariana, Ema; Kusuma, Aprisep Ferdhana; Permadi, Dwiko Budi; Kartodihardjo, Hariadi; Santoso, Widodo Budi; Maryudi, Ahmad
Forest and Society Vol. 8 No. 2 (2024): DECEMBER
Publisher : Forestry Faculty, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/fs.v8i2.34782

Social forestry is envisioned as a governance reform to empower rural communities to improve both the forest condition and their quality of life. In Indonesia, however, its implementation has been plagued by a number of governance-related issues including corrupt practices among various actors. Drawing on programs implemented in Java, we delve into the types and mechanisms by which corruption has occurred (or occurs) in various social forestry activities. Tracking experience across several phases of social forestry, the corrupt practices were initially performed among the field foresters and the higher hierarchies. These corrupt practices were later imitated by other actors, who increasingly considered them as normal and acceptable practices. In contemporary social forestry programs, corruption is conducted by diverse stakeholders, including smallholder farmers, public officials and other authorities among the bureaucracy, as well as non-government organizations. Corruption has significant bearing on policy initiatives and programmatic outcomes, as it inhibits the implementation of formal rules and norms of social forestry. Our historical tracing provides better insights into why corruption is not only a social forestry-related challenge but also a part of a larger societal problem as it has been normalized and deepened over decades.

Co-Authors A.A. Ketut Agung Cahyawan W Achmad Praptijanto Ahmad Maryudi Arifin Nur Bambang Wahono Bana Handaga Dimyani, Ahmad Dwiko Budi Permadi Gruosso, Giambattista Heru Supriyono Ismariana, Ema Kartodihardjo, Hariadi Kusuma, Aprisep Ferdhana Lim, Ocktaeck Lu, Zong Pratama, Mulia Ris Hadi Purwanto Sahide, Muhammad Alif Kaimuddin Wardana, Muhammad Khristamto Aditya Wulandari , Eka Yanuandri Putrasari

Title

Found 6 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 6 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 6 Documents
Search