Academic Staff Google Scholar

Lecturer

Prof. Dr. Ir. Lilik Sutiarso, M.Eng., IPU., ASEAN Eng., APEC Eng.

Lecturer · Smart Agriculture Research Center, UGM

Professor of agricultural and biosystems engineering at UGM. His work centers on agricultural systems, precision farming, and intelligent control systems, from integrated smart farming systems to precision agricultural technology for sustainable production.

Expertise

Agricultural systemsPrecision farmingIntelligent control systems

Current research & projects

Integrated smart farming systems
Precision agricultural technology for horticulture

Selected publications

A confidence-weighted decision framework for on-site fertilizer quality screening and off-spec detection in smart agricultural systems using low-cost macronutrient sensors2026 · Smart Agricultural Technology ANALISIS HUBUNGAN NILAI SPAD DAN INDEKS VEGETASI BERBASIS CITRA MULTISPEKTRAL UNMANNED AERIAL VEHICLE VERTICAL TAKE-OFF AND LANDING (UAV-VTOL) PADA TANAMAN PEPAYA2026 · Jurnal Pertanian Presisi (Journal of Precision Agriculture)Multidepth soil sensing with an embedded hydrothermal stress index captures stratified stability in hardpan-limited tropical spodosol oil palm systems2026 · Computers and Electronics in Agriculture Predicting physiological health states of tropical papaya using UAV multispectral imagery for precision agriculture monitoring2026 · Agricultural Environment and Sustainability SIMULASI SISTEM MONITORING LENGAS TANAH BERBASIS ADC DAN KENDALI IRIGASI OTOMATIS MENGGUNAKAN METODE HYSTERESIS UNTUK APLIKASI PERTANIAN PRESISI2026 · Jurnal Pertanian Presisi (Journal of Precision Agriculture)SISTEM KLASIFIKASI KESEHATAN PEPAYA (Carica Papaya L.) MENGGUNAKAN YOLO11x BERBASIS UNMANNED AERIAL VEHICLE VERTICAL TAKE-OFF LANDING2026 · Jurnal Pertanian Presisi (Journal of Precision Agriculture)A Multilayer Perceptron Feedforward Neural Network and Particle Swarm Optimization Algorithm for Optimizing Biogas Production2025 · Energies Comparison of HSV-color and ANN-HSV-color segmentation for detecting soybean adulteration2025 · IAES International Journal of Artificial Intelligence (IJ-AI)Design of Smart Plant Electrical Signal Monitoring System for Indoor Farming2025 · BIO Web of Conferences Development of a low-cost thermal imaging system for water stress monitoring in indoor farming2025 · Smart Agricultural Technology Development of a Low-Cost Thermal Imaging System for Water Stress Monitoring in Indoor Farming2025 · Development of Smart Lighting Control System for Plant Factories: An Intelligent Approach2025 · IOP Conference Series: Earth and Environmental Science Landslide Disaster Risk for Small and Medium Agricultural Enterprises (SMAEs)2025 · Environment and Natural Resources Journal Temperature Control System for Ethanol Refinery Condenser in Cooking Oil Production Mini Plant2025 · CFD letters Adaptive Back-Propagation Neural Network and Particle Swarm Optimization-Based Approach for Optimizing the Output Power Biogas Fueled Electric Generator2024 · IEEE Access Analisis Perilaku Air Di Perkebunan Kelapa Sawit Pada Tanah Spodosol dan Ultisol Menggunakan Soil Moisture Content Monitoring System (SMCMS)2024 · Jurnal Penelitian Kelapa Sawit Analisis Social Return on Investment (SROI) dalam Program Pemberdayaan Masyarakat terkait Integrated Machinaries untuk Pengolahan Jerami di Kalurahan Piyaman, Kapanewon Wonosari, Kabupaten Gunungkidul, Yogyakarta2024 · Inovasi Jurnal Pengabdian Masyarakat Application of User Interface and User Experience for Smart Greenhouse Mobile Application Design2024 · IOP Conference Series: Earth and Environmental Science Control of vapor pressure deficit (VPD) in micro-plant factory (McPF) to enhanced spinach microgreens growth2024 · Scientia Horticulturae Design of a Pressure Control System in Biogas Reactor Based on PID Controller with Ziegler-Nichols and Auto Tuning PSO2024 · Jurnal Otomasi Kontrol dan Instrumentasi Development and Application of a Low-Cost 3-Dimensional (3D) Reconstruction System Based on the Structure from Motion (SfM) Approach for Plant Phenotyping2024 · Journal of Biosystems Engineering Enabling Precision Agriculture through a Web-Based Fertilization Management System for Nawungan Selopamioro Fruit Orchards2024 · Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Evaluating Smart Greenhouse Viability Through Engineering Design and Software Cost Modelling2024 · IOP Conference Series: Earth and Environmental Science Evaluating urban mini plant factories: engineering and software cost perspectives for agriculture sustainability2024 · IOP Conference Series: Earth and Environmental Science EVALUATION OF INDONESIAN LOCAL SOYBEAN BASED ON CHEMICAL CHARACTERISTICS AND VISIBLE - NEAR INFRARED SPECTRA WITH CHEMOMETRICS2024 · BIOTROPIA Hilirisasi Teknologi Sistem Integrasi Tanaman Ternak Ikan (SITTI) Menggunakan Pendekatan Konsep Bio economy, Green Economy, Circular Economy (BGC Economy)2024 · Inovasi Jurnal Pengabdian Masyarakat Internet of Things (IoT)-Driven on Evaporative Cooling System for Tropical Greenhouse Environmental Control2024 · IOP Conference Series: Earth and Environmental Science Redesign and Performance Test of Liquid Fertilizer Based on Variable Rate Application on Chili Cultivation2024 · Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)Simulation and Experimental Validation Of  Energy Management System Models for Electric Generators with Biogas Fuel from Agricultural Waste Using the PID Controller Method2024 · SSRN Electronic Journal Development of Soil Moisture Content Monitoring System for Precision Measurement of Soil Moisture in Sub-Optimal Land for Palm Oil Plantation2023 · BIO Web of Conferences Optimization of a soil type prediction method based on the deep learning model and vegetation characteristics2023 · Plant Science Today PEMANFAATAN MODEL NEURAL NETWORK DALAM GENERASI BARU PERTANIAN PRESISI DI PERKEBUNAN KELAPA SAWIT2023 · WARTA Pusat Penelitian Kelapa Sawit Penerapan Biodigester Untuk Pengolahan Air Limbah Industri Tapioka Berbasis Pemberdayaan Masyarakat Berkelanjutan di Rumah Produksi Pangan Selopamioro, Yogyakarta2023 · Jurnal Pusat Inovasi Masyarakat (PIM)PENGEMBANGAN KONSEP OPTIMALISASI REGULASI DAN KELEMBAGAAN DALAM RANGKA KEBERLANJUTAN KONDISI DAN FUNGSI DAERAH ALIRAN SUNGAI (DAS) STUDI KASUS: DPS LOGAWA, KABUPATEN BANYUMAS2023 · CIVeng Jurnal Teknik Sipil dan Lingkungan Penguatan Kebijakan Pengelolaan Daerah Aliran Sungai (DAS) Studi Kasus: DPS Logawa, Kabupaten Banyumas2023 · Jurnal Teknik Sipil Prediction of Oil Palm Production Using Recurrent Neural Network Long Short-Term Memory (RNN-LSTM)2023 · Advances in biological sciences research/Advances in Biological Sciences Research Analysis of airflow distribution on urban mini plant factory using computational fluid dynamics2022 · IOP Conference Series: Earth and Environmental Science Kinetics observations of bacterial cellulose thickness formation using imageprocessing approach during the fermentation process2022 · Food Research Mini plant factory development using IoT and cloud system for urban greens cultivation2022 · IOP Conference Series: Earth and Environmental Science Mounding technique improves physiological performance and yield of oil palm on Spodosols2022 · Sains Tanah - Journal of Soil Science and Agroclimatology Technique engineering of tapping and shelter of coconut sap and its effect on the quality of crystal coconut sugar2022 · Food Research Development of short-term evapotranspiration forecasting model using time series method for supporting the precision agriculture management in tropics2021 · IOP Conference Series: Earth and Environmental Science Mobile mecavision: automatic plant monitoring system as a precision agriculture solution in plant factories2021 · IOP Conference Series: Earth and Environmental Science Plant growth prediction model for lettuce (Lactuca sativa.) in plant factories using artificial neural network2021 · IOP Conference Series: Earth and Environmental Science Three-dimensional (3D) reconstruction for non-destructive plant growth observation system using close-range photogrammetry method2021 · IOP Conference Series: Earth and Environmental Science Uji Kinerja dan Implementasi Aplikator Pupuk Cair Berbasis Variable Rate Application untuk Tanaman Kedelai (Glycine max)2021 · Jurnal Agritech Development of knowledge management system for assisting the Agrotechno Edu-park establishments in Sriharjo village, Imogiri district, Bantul regency2020 · IOP Conference Series: Earth and Environmental Science Implementation of crop growth monitoring system based on depth perception using stereo camera in plant factory2020 · IOP Conference Series: Earth and Environmental Science PENGEMBANGAN MODEL KESETARAAN YANG BERKEADILAN PADA RANTAI NILAI SISTEM AGROINDUSTRI NILAM2020 · Quantification of leaf movement to study the circadian rhythm using the optical flow2020 · IOP Conference Series: Earth and Environmental Science Study of Modernization of Distillation Units and Applications of Nonlinear ROI Equity Model: A Case of Gayo Lues Patchouli Value Chain2020 · Aceh International Journal of Science and Technology Utilizing Real-Time Image Processing for Monitoring Bacterial Cellulose Formation During Fermentation2020 · Jurnal Agritech Appropriate adaptation of precision agriculture technology in open field cultivation in tropics2019 · IOP Conference Series: Earth and Environmental Science Crop growth prediction model at vegetative phase to support the precision agriculture application in plant factory2019 · AIP Conference Proceedings Design and performance evaluation of multi-camera for continuous plant motion monitoring system2019 · AIP Conference Proceedings Design of integrated database of smart coffee enterprise support system for coffee small medium enterprise2019 · IOP Conference Series: Earth and Environmental Science Development of a decision support system for mapping variable rate fertilizing application on Soybean (Glycine max) cultivation2019 · IOP Conference Series: Earth and Environmental Science Development of environmental monitoring systems based on LoRa with cloud integration for rural area2019 · IOP Conference Series: Earth and Environmental Science Development of GPS-based Tracking System to Evaluate the Effectiveness of Tillage using Four-wheel Tractor2019 · IOP Conference Series: Earth and Environmental Science Development of mobile RoboVision with stereo camera for automatic crop growth monitoring in plant factory2019 · AIP Conference Proceedings EXPLORE THE CHARACTER OF SOIL SPECTRAL REFLECTANCE RELATE TO THE SOIL ORGANIC MATTER CONTENT2019 · Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)Implementation of leaf motion monitoring system to study plant behavior with variations of the lighting interval in Capsicum annuum L.2019 · AIP Conference Proceedings Laboratory performance analysis of Rice Combine Harvester Daedong DSF75GT2019 · IOP Conference Series: Earth and Environmental Science Pengembangan Pertanian Presisi Berdasar Keberagaman Spasial dan Temporal Karakteristik Tanah2019 · Artificial Neural Network Modeling for Predicting Color Difference of Sago Flour on Pneumatic Conveying Recirculated Dryer2018 · Jurnal Keteknikan Pertanian Kinetika Reaksi Penurunan Kafein dan Asam Klorogenat Biji Kopi Robusta melalui Pengukusan Sistem Tertutup2018 · Jurnal Agritech Mapping the Variability of Soil Texture-Based on Vis-NIR Proximal Sensing2018 · Journal of Applied Geospatial Information Model Matematis Hubungan antara Kadar Air Akhir Bahan dengan Variabel Proses Pengeringan pada Pneumatic Conveying Recirculated Dryer2018 · Jurnal Agritech PM2-1: Technical Adaptability Study of Korean-Made Agricultural Machinery in Indonesia2018 · 한국농업기계학회 학술발표논문집 Temperature and Air Velocity Simulation on Sago Starch Pneumatic Conveying Recirculated Dryer Using Ansys Fluent2018 · Jurnal Agritech Artificial Neural Network-Based Modelling and Optimization to Estimate the Fineness Modulus of the Drying Process of Sago Starch Using a Pneumatic Conveying Recirculated Dryer2017 · International Journal of Engineering and Technology Desain Sistem Kontrol Ruang Pertumbuhan Ulat Sutera untuk Meningkatkan Kualitas Produksi Sutera Alam2017 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Model Dinamika Ketersedian Pangan - Studi Kasus: Ketersediaan Beras di Wilayah Madiun, Jawa Timur2017 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Model Perencanaan Pembangunan Pedesaan Berbasis pada Sektor Pertanian (Studi Kasus Kecamatan Moyudan Kabupaten Sleman)2017 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Optimasi Kualitas Tandan Buah Segar Kelapa Sawit dalam Proses Panen-Angkut Menggunakan Model Dinamis2017 · Jurnal Agritech Temperature Distribution Simulation and the Analysis of Cyclones Performance on Sago Starch Pneumatic Conveying Recirculated Dryers2017 · Asian Journal of Scientific Research An Information Support System for Indentifying Farming System Part II: A Case Study of Sleman Regency, Yogyakarta Province2016 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)ANALISIS SPEKTRAL DALAM PENENTUAN PERIODISITAS SIKLUS CURAH HUJAN DI WILAYAH SELATAN JATILUHUR, KABUPATEN SUBANG, JAWA BARAT2016 · Jurnal Agritech Desain Sistem Kontrol Umpan Balik pada Lintasan Traktor Tanpa Operator2016 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Development of a Field Environmental Monitoring Node with Over the Air Update Function2016 · Agricultural Information Research Development of a remote environmental monitoring and control framework for tropical horticulture and verification of its validity under unstable network connection in rural area2016 · Computers and Electronics in Agriculture PENGARUH TINGKAT KERUSAKAN JALAN PERKEBUNAN DAN POSISI TANDAN BUAH SEGAR DI BAK TRUK TERHADAP KINERJA ANGKUTAN KELAPA SAWIT (Effect of Estate Road Damage and Fresh Fruit Bunch Position in Truck Bin on Oil Palm Transportation Performance)2016 · Jurnal Agritech PERANCANGAN DAN PENGUJIAN UNJUK KERJA SISTEM MONITORING KADAR LENGAS BERBASIS GYPSUM BLOCK UNTUK MEMANTAU DINAMIKA TANAH POLIETILEN, POLISTIREN DAN OTHER2016 · Jurnal Teknologi Technoscientia STUDI POLA PERTUMBUHAN TANAMAN SAWI (Brassica rapa var. parachinensis L.) HIDROPONIK DI DALAM GREENHOUSE TERKONTROL2016 · Jurnal Agritech Study on Oil Palm Fresh Fruit Bunch Bruise in Harvesting and Transportation to Quality2016 · Makara Journal of Technology Study on Oil Palm Fresh Fruit Bunch Bruise in Harvesting and Transportation to Quality2016 · Makara Journal of Technology IDENTIFIKASI PERUBAHAN IKLIM BERDASARKAN DATA CURAH HUJAN DI WILAYAH SELATAN JATILUHUR KABUPATEN SUBANG, JAWA BARAT (Identification of Climate Change Based on Rainfall Data in Southern Part of Jatiluhur, Subang District, West Jawa)2015 · Jurnal Agritech STUDI KOMPARASI PREDIKSI CURAH HUJAN METODE FAST FOURIER TRANSFORMATION (FFT), AUTOREGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA) DAN ARTIFICIAL NEURAL NETWORK (ANN)2015 · Jurnal Agritech Model Simulasi Pengembangan Sistem Irigasi untuk Tanaman Jagung di Lahan Sawah dan Lahan Kering (Studi Kasus Pada Usahatani Jagung di Kabupaten Kediri)2014 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Penyusunan Sistem Pendukung Keputusan untuk Penetapan Indeks Ketahanan Pangan di Tingkat Rumah Tangga dan Wilayah 458 (Studi Kasus di Desa Srimartani, Piyungan, Bantul, Yogyakarta)2014 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Rancangbangun Aktuator Pengendali Iklim Mikro di dalam Greenhouse untuk Pertumbuhan Tanaman Sawi (Brassica rapa var.parachinensis L.)2014 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Uji Kinerja Teknologi Kontrol Tepat Guna untuk Peningkatan Kualitas Produksi Sutera Alam2014 · Jurnal Agritech UJI KINERJA TEKNOLOGI KONTROL TEPAT GUNA UNTUK PENINGKATAN KUALITAS PRODUKSI SUTERA ALAM (PERFORMANCE TESTING OF AN APPROPRIATE CONTROL TECHNOLOGY TO IMPROVE THE QUALITY OF RAW SILK)2014 · Jurnal Agritech Fakultas Teknologi Pertanian UGM Kinetics Model of Tomato Quality Changes During Storage2013 · JURNAL TEKNOLOGI PERTANIAN Kriteria Kualitatif Penentuan Produk Unggulan Komoditas Perkebunan dengan Metode Delphi di Kabupaten Kolaka-Sulawesi Tenggara2013 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Manajemen Sumberdaya Air Daerah Aliran Sungai Sekampung di Antara Bendungan Batutegi dan Bendung Argoguruh, Propinsi Lampung: Kerangka Analitis Penyusunan Pola Operasional Waduk Harian2013 · Jurnal Agritech MODEL JARINGAN SYARAF TIRUAN UNTUK MEMPREDIKSI PARAMETER KUALITAS TOMAT BERDASARKAN PARAMETER WARNA RGB (An artificial neural network model for predicting tomato quality parameters based on color)2013 · DOAJ (DOAJ: Directory of Open Access Journals)Sistem Pendukung Keputusan Berbasis Jaringan Saraf Tiruan untuk Peramalan Harga Komoditas Tanaman Pangan2013 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)SISTEM PENDUKUNG KEPUTUSAN BERBASIS JARINGAN SYARAF TIRUAN UNTUK PERAMALAN HARGA TANAMAN PANGAN2013 · Jurnal Teknotan Sistem Pendukung Keputusan Teknologi Penanganan dan Kelayakan Investasi Pascapanen Kakao (Theobroma cacao L.) (Studi Kasus Di Kabupaten Pidie Jaya, Propinsi Aceh)2013 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Aplikasi Analytical Hierarchy Process (AHP) untuk Penentuan Strategi Pengembangan Subak2012 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Aplikasi Sistem Monitoring Pertumbuhan Tanaman Berbasis Web Menggunakan Machine Vision2012 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Application of Neuro-Fuzzy Controller to Autonomous Agricultural Vehicle Operating on Unstructured Changing Terrain -Control Software Development-2012 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)AUDIT ENERGI PADA BERBAGAI JENIS INDUSTRI TAHU BERDASARKAN TEKNOLOGI PEMASAKANNYA2012 · Jurnal Teknotan Environmental aspects in the development of research of the agroecotourism in Subak system.2012 · Bumi Lestari Journal of Environment Evaluasi Kinerja Fisik Sistem Subak Yang Berorientasi Agroekowisata Menggunakan Pendekatan Logika Fuzzy2012 · Jurnal Teknik Industri KAJIAN ASPEK LINGKUNGAN DALAM PENGEMBANGAN AGROEKOWISATA PADA SISTEM SUBAK2012 · Bumi Lestari Journal of Environment PENDEKATAN MULTIVARIAT UNTUK PENGUKURAN KUALITAS TOMAT (Lycopersicon esculentum) BERDASARKAN PARAMETER WARNA Multivariate Approach to The Measurement of Tomato (Lycopersicon esculentum) Quality Based on Color Parameters2012 · DOAJ (DOAJ: Directory of Open Access Journals)Pengembangan Computer Vision System Sederhana untuk Menentukan Kualitas Tomat2012 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)Pengembangan Perangkat Lunak Life Cycle Assessment (LCA) untuk Ampas Tebu (Studi Kasus di Pabrik Gula Madukismo, Yogyakarta)2012 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)POTENTIAL AREAS ANALYSIS FOR DEVELOPMENT OF PRIME COMMODITIES PLANTATION IN THE KOLAKA DISTRICT, SOUTHEAST SULAWESI2012 · Jurnal Teknologi Industri Pertanian Sistem Informasi Teknologi Inovasi untuk Mendukung Pengembangan Agroindustri di Kawasan Lahan Pantai2012 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)SISTEM INFORMASI TEKNOLOGI INOVASI UNTUK MENDUKUNG PENGEMBANGAN AGROINDUSTRI DI KAWASAN LAHAN PANTAI The Inovation Technology Information System for Supporting Development of Agroindustrial System in Coastal Area2012 · Jurnal Agritech Fakultas Teknologi Pertanian UGM Sistem pengambilan keputusan untuk pengembangan usahatani terpadu di lahan pasang surut2012 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)SISTEM PENGAMBILAN KEPUTUSAN UNTUK PENGEMBANGAN USAHATANI TERPADU DI LAHAN PASANG SURUT Decision Making System for Development of an Integrated Farming on Tidal Swamp Lands2012 · Jurnal Agritech Fakultas Teknologi Pertanian UGM Strategi Pengembangan Potensi Wilayah Agroindustri Perkebunan Unggulan2012 · Jurnal Teknik Industri Pengembangan Model Agroekowisata Pada Sistem Usahatani Subak Untuk Meningkatkan Kemampuan Pendapatan (Income Generating Capacity) > Rp. 10.000.000,- Per Tahun Per Subak2010 · Design of control system for silkworm's growth chamber to improve the quality of raw-silk.2009 · Pengkajian Daur Hidup Ampas Tebu di Pabrik Gula Madukismo, Yogyakarta Menggunakan Metode Life Cycle Assessment (LCA)2009 · Sistem pengembangan industri mete (Anacardium occidentale L.)Di Tingkat Usaha Kecil dan Menengah (UKM) (Studi kasus di Muna Provinsi Sulawesi Tenggara=Cashew Nut (Anacardium occidentale L.) End Product of Industrial...2005 · Agrosains Jurnal Penelitian Agronomi Desain sistem kontrol ruang pertumbuhan ulat sutera untuk meningicatkan kualitas produksi sutera alam=(Design of Control Systen for Silk Worm's Growth Chamber to Improve the Quality of Raw-Silk Produced)2004 · Jurnal Agritech An Information Support System For Identifying Farming System Part I: Development Of A Computer Program Package2002 · Indonesian Journal of Biotechnology (Universitas Gadjah Mada)TRAJECTORY CONTROL AND ITS APPLICATION TO APPROACH A TARGET: PART I. DEVELOPMENT OF TRAJECTORY CONTROL ALGORITHMS FOR AN AUTONOMOUS VEHICLE2002 · Transactions of the ASAE TRAJECTORY CONTROL AND ITS APPLICATION TO APPROACH A TARGET: PART II. TARGET APPROACH EXPERIMENTS2002 · Transactions of the ASAE Development and application of trajectory control algorithm for autonomous agricultural vehicles2001 · Study on trajectory control for autonomous agricultural vehicle aiming approach to the target object: automatic fertilizer refilling operation2001 · Institutional Repositories DataBase (IRDB)A FIELD EXPERIMENT OF THE TRAJECTORY CONTROL FOR AN AUTONOMOUS VEHICLE2000 · Journal of JSAM Trajectory control for agricultural autonomous vehicles (part 3) - a field experiment of the designed trajectory control.2000 · Journal of the Japanese Society of Agricultural Machinery REFILLING SYSTEM OF AUTONOMOUS TRACTORMOUNTED BROADCAST FERTILIZER DISTRIBUTOR:Part 1: Simulation Study1999 · 農業機械学会誌 REFILLING SYSTEM OF AUTONOMOUS TRACTORMOUNTED BROADCAST FERTILIZER DISTRIBUTOR:Part 2: Experimental Analysis1999 · 農業機械学会誌 Trajectory Control for Agricultural Autonomous Vehicles (Part 2)1999 · Journal of the Japanese Society of Agricultural Machinery