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All Journal Jurnal Ilmiah Teknik Industri Jurnal Sistem dan Manajemen Industri PERFORMA : Media Ilmiah Teknik Industri Jurnal INTECH Teknik Industri Universitas Serang Raya Logic : Jurnal Rancang Bangun dan Teknologi Indonesian Journal of Laboratory

Lobes Herdiman

Universitas Sebelas Maret

Author-ID : 2500565

Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Physics Transportation

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Articles

Perancangan Ulang Walker untuk Anak Diplegic Cerebral Palsy menggnakan Metode TRIZ Putu Yoga Kurniawan Laksana; R. Hari Setyanto; Lobes Herdiman
Jurnal Sistem dan Manajemen Industri Vol. 5 No. 1 (2021)
Publisher : Universitas Serang Raya

Children with cerebral palsy at rehabilitation centers had difficulty performing walking rehabilitation with the existing walker. The resulted in children with cerebral palsy feeling dissatisfied with existing walkers, and this dissatisfaction resulted in their interest in ongoing rehabilitation. The existing walker does not accommodate the needs of cerebral palsy children, resulting in lousy form and dissatisfaction when using a walker for rehabilitation and reduce their interest in rehabilitation. Therefore it is necessary to redesign the walker to prevent bad form and increase the satisfaction level of children with cerebral palsy. The QUEST 2.0 questionnaire was used as a reference for designing. Based on the dimensions from the QUEST 2.0 questionnaire, the walker design criteria were determined. Then use the TRIZ method to resolve any technical contradictions that occur at the design stage. Assistive device

1-DOF Finger Mechanism Design for Anthropomorphic Prosthetic Hand with Similarity Criteria for Human Hand Finger Movement Romdhoni Nur Huda; Lobes Herdiman; Taufiq Rochman
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Development of prosthetic hands continues to be made to get prosthetic which has special characteristics, namely anthropomorphism. The anthropomorphic prosthetic design refers to the improvement and development of the design to the stage of the similarity of the prosthetic movement to human hand movements. This study carries the design of the anthropomorphic 1-DOF prosthetic finger mechanism to get prosthetic at an affordable price. The optimization criteria for the similarity of movement with the human hand are formulated with two objective functions, namely the similarity of the range of motion and the total length of the finger that is completed simultaneously. The human hand movement that is a reference is the movement of conical object grasping on a standard size conical according to the maximum hand-held diameter anthropometry of an Indonesian people.

Analytical Analysis of Extreme Position Mechanisms for Conveyor Lifting Segments Using Kinematic Systems Radite Raharja; Julius Pandu Winata; Rasyid Yudhistira; Lobes Herdiman
Logic : Jurnal Rancang Bangun dan Teknologi Vol 20 No 2 (2020): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v20i2.1644

The process of moving an item in the industrial world has an influence on productivity produced by the company. The company's productivity can be supported by using a conveyor when the transfer process takes place. This study aims to determine the extreme position of the conveyor lift segment mechanism using the kinematic system. The method used is an analytical analysis method with a kinematic system using SAM 6.0 software. The stages of the research process are measuring conveyor segments, drawing kinematic diagrams, depicting movement mechanisms, calculating degrees of freedom (DoF), calculating geometry, and ending the stroke link follower measurements. The results of the study resulted in a degree of freedom that is 1 which shows the movement of the conveyor freedom only 1 direction, and the calculation result of follower link stroke is 22.6o which shows the maximum range that can be done from the movement of the conveyor lifting segment.

Props Design on Manual Assembly Lines in Industrial Engineering Design Practicum 3 With Learning Factory Approach Ahmad Syarif Yumna Najmudin; Lobes Herdiman; W.A. Jauhari
Logic : Jurnal Rancang Bangun dan Teknologi Vol 19 No 2 (2019): July
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Bali

Industry requires educational institutions as providers of labor to continue to optimize the learning process on material that is in harmony with existing cases in the industrial world. The Industrial Engineering Study Program of Sebelas Maret University Surakarta (PSTI-UNS) has sought these demands by implementing integrated practice learning with the learning factory concept approach. Identification of design needs was obtained after observations and evaluations of the learning process on PTI Practicum 3. This study contains requirements in designing tools to accommodate lab work in linear PTI Practicum manuals. The tools needed include storage, hand trolleys, storage racks, and work stations. The selection of the work station concept was carried out with Focus Group Discussion (FGD) with specified selection criteria. The criteria for selecting a tool for practicum facilities include the suitability of learning objectives, material

Perancangan Alat Pengaduk pada Proses Pemasakan Rambak Kulit Sapi untuk Meningkatkan Kualitas dengan Metode Partisipatif Stephani Diesya Floratiara; Lobes Herdiman; Susy Susmartini
Performa: Media Ilmiah Teknik Industri Vol 18, No 2 (2019): Performa: Media Ilmiah Teknik Industri
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

Tingginya waktu proses dan defect pada produksi rambak kulit sapi menyebabkan IKM rambak tidak dapat memenuhi permintaan pasar. Permasalahan waktu yang tinggi pada proses pengungkepan menyebabkan kelelahan pekerja sehingga pengadukan menjadi tidak konstan dan rambak mengalami pecah (defect) dengan tingkat defect mencapai 20% dari hasil produksi. Penelitian ini bertujuan untuk mereduksi waktu dan defect pada pengungkepan dengan merancang alat pengaduk berbasis TTG menggunakan pendekatan partisipatif. Alat pengaduk yang dirancang memiliki 5 komponen utama yaitu rangka, penggerak, transmisi, speed reducer, dan pengaduk. Kelayakan dalam pembuatan alat dianalisis menggunakan perhitungan investasi dengan nilai payback period (PBP) 0,427 bulan, net present value (NPV) Rp 149.296.091,76, internal rate return (IRR) 32% dan profitability index (PI) 26,07. Hasil rancangan kemudian dinyatakan dalam bentuk fisik dan diterapkan pada IKM rambak kulit sapi “Pak Dul” Jagalan, Surakarta. Dari pengujian alat didapatkan hasil putaran adukan 20 rpm dengan beban maksimal 15 kg dan nilai torsi 423,15 kg.cm. Hasil rambak pengungkepan jam ke-4 dengan alat memiliki nilai kualitas hampir sama dengan hasil rambak pengungkepan manual 7 jam. Sedangkan tingkat defect menurun 15%, produktivitas meningkat 15%, kuantitas produksi meningkat 50% dan profit meningkat 65%.

Selection of Non-Thermal Technology for Honey Pasteurization Machine Using Multi-Criteria Decision Making Muhammad Dani Setiawan; Lobes Herdiman; Taufiq Rochman
Jurnal Ilmiah Teknik Industri Vol. 21, No. 2, December 2022
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v21i2.19606

Abstract. Honey is a natural food product from a sweet viscous substance formed from flower nectar by honey bees. Honey processing using the pasteurization method has limitations, one of which is temperature. As a result, fungi and spores present in honey have not been eliminated. Non-thermal technology (NTT) is a solution to this limitation, because NTT is a process that applies little or no heat, with the aim of food receiving microbial inactivation, and can extend life, maintain physical quality, nutrition, and sensory freshness. NTT is commonly used in industry, namely in High-Pressure Processing (HPP), Pulsed Electric Field (PEF), Pulsed Light, Cold Plasma (CL), and Ultra Sound (US). Adjustment to the characteristics of honey is the reason for choosing non-thermal technology. The selection was carried out using the MCDM method, which integrates AHP-TOPSIS. The result is PEF being the selected NTT with a relative closeness of 0.773.

Analisis Keselamatan dan Kesehatan Kerja pada Kegiatan Praktikum menggunakan Metode HIRA Rina Sulistiyowati; Lobes Herdiman
Indonesian Journal of Laboratory Vol 6 No 1 Tahun 2023
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijl.v1i1.78918

Praktikum adalah suatu kegiatan pembelajaran yang dilakukan di laboratorium untuk memahami kondisi sebenarnya dari materi kuliah atau pelajaran yang telah disampaikan oleh Dosen maupun Guru. Praktikum Perancangan Teknik Industri II (PPTI II) adalah salah satu kegiatan praktikum yang dilaksanakan di Program Studi Teknik Industri Fakultas Teknik UNS yang melaksanakan kegiatan manufaktur dan mempunyai bernagai risiko kecelakaan kerja. Untuk megetahui tingkat risiko kecelakaan kerja pada PPTI II maka dilakukan analisis keselamatan dan kesehatan kerja (K3) dengan melakukan Identifikasi dan penilaian risiko kerja. Penelitian ini menggunakan metode Hazard Identification Risk Assessment (HIRA) dalam mengidentifikasi risiko dan melakukan penilaian risiko melalui pengamatankegiatan praktikum dan wawancara terhadap 10 orang asisten dan 12 praktikan. Berdasarkan hasil identifikasi dan penilaian risiko diperoleh hasil bahwa nilai risiko paling tinggi adalah kebisingan sebesar 67% dilanjutkan dengan luka tergores sebesar 22% pada risiko level tinggi dan 38% pada level menengah.

Penilaian Postur Kerja Operator pada Proses Polishing Dies Menggunakan Metode Rapid Entire Body Asessment Muhamad Wicaksono; Lobes Herdiman
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 9 No. 2 (2023): Desember
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v9i2.5693

Postur tubuh tidak ilmiah dan berlangsung dalam jangka waktu lama dapat mengakibatkan kelebihan beban pada otot. MSDs merupakan keluhan yang sering dijumpai di tempat kerja yang berhubungan dengan kekuatan dan ketahanan manusia dalam melakukan pekerjaannya. Polishing Dies merupakan pekerjaan manual yang berisiko terkena MSDs, seperti cidera pada bagian otot, syaraf, low back pain, dan persendian. Tujuan penelitian ini adalah untuk memberikan penilaian dan rekomendasi evaluasi perbaikan postur kerja dengan perancangan alat bantu proses pada stasiun polishing dies untuk meminimalisasi keluhan MSDs menggunakan metode REBA. Hasil penilaian postur kerja operator polishing dies menunjukan skor REBA 9 yang berarti level risiko tinggi dan perlu dilakukan perbaikan secepatnya. Upaya perbaikan dilakukan melalui rancangan alat bantu proses polishing dies berupa adjuster table. Adjuster table memiliki fitur tinggi meja yang dapat disesuaikan dengan kebutuhan operator serta meja yang dapat diputar sehingga memudahkan proses poles keseluruh bagian dies. Adjuster table diharapkan dapat memperbaiki postur kerja operator serta membuat proses polishing dies lebih efektif dan efisien.

Co-Authors Ahmad Syarif Yumna Najmudin Julius Pandu Winata Muhamad Wicaksono Muhammad Dani Setiawan Putu Yoga Kurniawan Laksana R. Hari Setyanto Radite Raharja Rasyid Yudhistira Rina Sulistiyowati Romdhoni Nur Huda Stephani Diesya Floratiara Susy Susmartini Taufiq Rochman W.A. Jauhari

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