Peer Reviewed Journal :

1. Widodo, S., Shiigi, T., Hayashi, N., Kikuchi, H., Yanagida, K., Nakatsuchi, Y., Ogawa, Y., Kondo, N. 2013. "Moving Object Tracking Using Spread Spectrum Sound-Based Positioning System with Doppler Shift Compensation". Robotics. 2013; 2(2):36-53.

2. Widodo, S., Shiigi, T., Than, N. M., Kikuchi, H., Yanagida, K., Nakatsuchi, Y., Ogawa, Y., Kondo, N. 2013. "Wind Compensation Using Base Station for Spread Spectrum Sound-based Positioning System in Open Field". Engineering in Agriculture, Environment and Food. Submitted.

3. Widodo, S., Shiigi, T., Kondo, N., Kikuchi, H., Yanagida, K., Nakatsuchi, Y., Ogawa, Y. 2013. "Self-calibration Method of Spread Spectrum Sound-based Positioning System: an attempt to scale up the system". Engineering in Agriculture, Environment and Food. Submitted

Conference :

1).  Suhandy, D., Yulia, M., Widodo, S., Ogawa, Y., Kondo, N. "Determination of L-Ascorbic Acid (LAA) in Terra-Hertz Region by Using Backpropagation Artificial Neural Network (BP-ANN) Method". Proceeding of SetBio 2013 Conference, 23-25 April 2013, Pacifico Yokohama, Japan.

2).  Slamet Widodo, Tomoo Shiigi, Naing Min Than, Yuichi Ogawa, Naoshi Kondo. "Design of Self-calibration Method for Sound-based Positioning System in Greenhouse". Proceeding of Bio-Robotics 2013 Conference, 27-29 March 2013, Sakai-Osaka, Japan.

3). Widodo, S., Shiigi, T., Than, N.M., Ogawa, Y., Kondo, N., 2012. "Sound-Based Ranging System in Greenhouse Environment with Multipath Effect Compensation Using Artificial Neural Network", in: Huang, T., Zeng, Z., Li, C., Leung, C.S. (Eds.), Neural Information Processing, Lecture Notes in Computer Science. Springer Berlin Heidelberg, pp. 156–163.

4). Slamet Widodo, Tomoo Shiigi, Kazuya Yamamoto, Yuichi Ogawa, and Naoshi Kondo. "Development of Sound-based Local Positioning System as a Platform for Agricultural Operation in Controlled Environment: A Preliminary Study". Proceeding of the 70th JSAM Annual Meeting, July 27-29, 2011, Hirosaki University, Aomori, Japan.

5). Min-Kuang Wu and Slamet Widodo. “Single Input Cerebellar Model Articulation Controller (CMAC) based Maximum Power Point Tracking for PV System”. Proceeding of The 2010 IEEE International Symposium on Computer, Communication, Control and Automation. May 5-7, 2010, Tainan, Taiwan.

6). Irwan Purnama and Slamet Widodo. “Comparison Study of Low Cost MPPT Techniques for Photovoltaic System”. Proceeding of The First Indonesian Scholars Conference in Taiwan (AISC-Taiwan). March 20, 2010, Tainan, Taiwan.

7). Chia-Ying Liu, Lim Leon Nardy and Slamet Widodo. "An Optimization of the Plastic Injection Molding of Safety Optical Glasses by Using Artificial Neural Network, Genetic Algorithms and Taguchi Methods”. Proceeding of The International Conference on Manufacturing and Engineering Systems (MES), December 17-19, 2009, National Formosa University, Taiwan.

Other :

1). Slamet Widodo, Arief Sabdo Yuwono and Agus Purwito.2007. “Application of Artificial Neural Network and Genetic Algorithms for Optimization of Growing Media Composition for in-Vitro Culture of Dendrobium Kanayao Orchid Plantlet.” Bachelor Thesis. Bogor Agricultural University, Bogor, Indonesia.

2). Slamet Widodo and Min-Kuang Wu. 2010. “Microcontroller Implementation of Low-Cost Maximum Power Point Tracking Techniques for Photovoltaic Systems”. Master Thesis. Southern Taiwan University, Taiwan - R.O.C.

3). Slamet Widodo. 2013. “Wind and Doppler Shift Compensation for Spread Spectrum Sound-based Positioning System”. PhD Thesis. Kyoto University, Kyoto, Japan.