研究業績

Robust Trajectory Design Suppressing the Second Order Derivatives of Parameter Variation and Time Optimal Control
Hiroki Nakagawa, Kenji Fujimoto, Ichiro Maruta
Proceedings of the SICE Annual Conference 2018, pp. 214–216 (2018年9月11日)

Nonlinear Optimal Control Base on Numerical Solutions of Hamilton-Jacobi-Bellman Equations by Stochastic Gradient Descent
Tomohiro Otsu, Ichiro Maruta, Kenji Fujimoto
Proceedings of the SICE Annual Conference 2018, pp. 1094–1097 (2018年9月11日)

Development of Arc Sensor Based on Continuous-time System Identification
Keisuke Tanaka, Ichiro Maruta, Kenji Fujimoto
Proceedings of the SICE Annual Conference 2018, pp. 1504–1507 (2018年9月11日)

Extended Balanced Truncation for Continuous Time LTI Systems
Jacquelien M.A. Scherpen, Kenji Fujimoto
Proceedings of 2018 European Control Conference (ECC), pp. 2611–2615 (2018年)

On System Identification of Nonlinear State-Space Models Based on Variational Bayes: Multimodal Distribution Case
Akihiro Taniguchi, Kenji Fujimoto, Nishida Yoshiharu
Proceedings of 2018 European Control Conference (ECC), pp. 2454–2459 (2018年)

On Computation of Numerical Solutions to Hamilton-Jacobi Inequalities Using Gaussian Process Regression
Kenji Fujimoto, Hirofumi Beppu, Yuji Takaki
Proceedings of 2018 Annual American Control Conference (ACC), pp. 424–429 (2018年6月)

DOI 10.23919/ACC.2018.8430806

Stabilized Prediction Error Method for Closed-loop Identification of Unstable Systems
Ichiro Maruta, Toshiharu Sugie
Proceedings of the 18th IFAC Symposium on System Identification (SYSID 2018), pp. 479–484 (2018年9月)

DOI 10.1016/j.ifacol.2018.09.191

On trajectory generation with obstacle avoidance for a two wheeled rover based on the continuation method
Kiyoshi Hamada, Ichiro Maruta, Kenji Fujimoto, Kenichi Hamamoto
2018 IEEE 15th International Workshop on Advanced Motion Control (AMC), pp. 263–268 (2018年6月4日)

DOI 10.1109/AMC.2019.8371099

On hands-off trajectory generation for a two-wheeled rover based on L1/L2-optimal control
Kiyoshi Hamada, Ichiro Maruta, Kenji Fujimoto, Kenichi Hamamoto
2018-44th Annual Conference of the IEEE Industrial Electronics Society (IECON), pp. 2601–2606 (2018年12月31日)

DOI 10.1109/IECON.2018.8591307

On Path Following Control of Port-Hamiltonian Systems by Bayesian Inference with Training Trajectory Data
Yuki Okura, Kenji Fujimoto, Akio Saito, Hidetoshi Ikeda
2018 IEEE Conference on Decision and Control (CDC), pp. 1956–1960 (2018年12月17日)

DOI 10.1109/CDC.2018.8619261

Passive Nonlinear Impedance Control for Port-Hamiltonian Systems
Yuki Okura, Kenji Fujimoto
2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 7983–7988 (2018年8月1日)

DOI 10.1109/IROS.2018.8594087

On Gaussian Kernel-based Hamilton-Jacobi-Bellman Equations for Nonlinear Optimal Control
Yuji Ito, Kenji Fujimoto, Takayoshi Yoshimura, Yukihiro Tadokoro
Proceedings of 2018 Annual American Control Conference (ACC), pp. 1835–1840 (2018年6月)

DOI 10.23919/ACC.2018.8431159

URL https://ieeexplore.ieee.org/document/8431159/

Rendezvous Control of Spacecrafts via Constrained Optimal Control Using Generating Functions
Dijian Chen, Kenji Fujimoto
Proceedings of 31st International Symposium on Space Technology and Science (ISTS), 2017-d-117/ISSFD-2017-117 (2017年6月3日)

DOI 10.2322/tastj.16.392

Traffic control at intersection with linear traffic lights
Ichiro Maruta, Tetsuya Yoshikawa, Shun-ichi Azuma, Toshiharu Sugie
Proceedings of the 43rd Annual Conference of the IEEE Industrial Electronics Society (IECON 2017), pp. 2923–2928 (2017年11月)

DOI 10.1109/IECON.2017.8216493

On potential function design for path following control of port-Hamiltonian systems
Yuki Okura, Kenji Fujimoto, Akio Saito, Hidetoshi Ikeda
2017 IEEE 56th Annual Conference on Decision and Control (CDC), pp. 2569–2574 (2017年12月12日)

DOI 10.1109/CDC.2017.8264031

On output feedback controller design for Gaussian process state space models
Yuji Takaki, Kenji Fujimoto
Proceedings of 2017 IEEE 56th Annual Conference on Decision and Control (CDC), pp. 3652–3657 (2017年12月)

DOI 10.1109/CDC.2017.8264196

URL https://ieeexplore.ieee.org/document/8264196/

On variational Bayes for identification of nonlinear state-space models with linearly dependent unknown parameters
Akihiro Taniguchi, Kenji Fujimoto, Yoshiharu Nishida
Proceedings of the 56th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE), pp. 572–576 (2017年9月)

DOI 10.23919/SICE.2017.8105487

URL https://ieeexplore.ieee.org/document/8105487/

On the Relationship between Nonlinear Singular Value Analysis and Kernel Principal Component Analysis
Takuya Otani, Teppei Inoue, Kenji Fujimoto
Proceedings of the SICE Annual Conference 2016, pp. 207–211 (2016年9月20日)

A study on robust nonlinear optimal control for parameter variation
Yuki Okura, Kenji Fujimoto
2016 IEEE 55th Conference on Decision and Control (CDC), pp. 4469–4473 (2016年12月12日)

DOI 10.1109/CDC.2016.7798948

System identification under Lebesgue sampling and its asymptotic property.
Takahiro Kawaguchi, Sosaburo Hikono, Ichiro Maruta, Shuichi Adachi
Proceedings of the 55th IEEE Conference on Decision and Control, CDC 2016, pp. 2079–2084 (2016年12月)

DOI 10.1109/CDC.2016.7798570

URL http://dblp.uni-trier.de/db/conf/cdc/cdc2016.html#conf/cdc/KawaguchiHMA16

Simultaneous Estimation of the SOC and Parameters of Batteries for HEV/EV
Atsushi Baba, Kinnosuke Itabashi, Nozomu Teranishi, Yoshihiro Edamoto, Kensuke Osamura, Ichiro Maruta, Shuichi Adachi
SAE Technical Papers, vol. 2016-April, 10 pages (2016年4月)

DOI 10.4271/2016-01-1195

Analysis of difficulty in estimating physically-meaningful model parameters based on normalized parameter sensitivity plot
Ichiro Maruta, Atsushi Baba, Shuichi Adachi
Proceedings of the 54th IEEE Conference on Decision and Control, vol. 2016-February, pp. 6686–6691 (2016年2月)

DOI 10.1109/CDC.2015.7403272

On stochastic optimal control for linear systems with robust stability
Yuji Ito, Kenji Fujimoto, Yukihiro Tadokoro, Takayoshi Yoshimura
Proceedings of 2016 IEEE 55th Conference on Decision and Control (CDC), pp. 5390–5395 (2016年12月)

DOI 10.1109/CDC.2016.7799096

URL https://ieeexplore.ieee.org/document/7799096/

On system identification for ARMAX models based on the variational Bayesian method
Kenji Fujimoto, Yuji Takaki
Proceedings of 2016 IEEE 55th Conference on Decision and Control (CDC), pp. 1217–1222 (2016年12月)

DOI 10.1109/CDC.2016.7798432

URL https://ieeexplore.ieee.org/document/7798432/

On periodic Kalman filters and multi-rate estimation
Kenji Fujimoto, Yusuke Oji, Kenichi Hamamoto
Proceedings of 2016 IEEE Conference on Control Applications (CCA), pp. 934–939 (2016年9月)

DOI 10.1109/CCA.2016.7587933

URL https://ieeexplore.ieee.org/document/7587933/

On linear solutions to a class of risk sensitive control for linear systems with stochastic parameters: Infinite time horizon case
Yuji Ito, Kenji Fujimoto, Yukihiro Tadokoro, Takayoshi Yoshimura
Proceedings of 2016 American Control Conference (ACC), pp. 6580–6585 (2016年7月)

DOI 10.1109/ACC.2016.7526706

URL https://ieeexplore.ieee.org/document/7526706/

On Port-Hamiltonian Modeling and Control of Systems with Quaternions
Kenji Fujimoto, Yuki Matsumoto
Proceedings of the 30th International Symposium on Space Technology and Science (ISTS), 2015-d-01 (2015年7月7日)

A new framework of robust LQ optimal control for parameter variation and its application to the double generating functions method
Yuki Okura, Kenji Fujimoto
2015 54th IEEE Conference on Decision and Control (CDC), pp. 3236–3241 (2015年12月15日)

DOI 10.1109/CDC.2015.7402705

Continuous-time system identification of rechargeable battery in electric vehicles in consideration of temperature characteristics
Sosaburo Hikono, Ayane Sugiura, Takahiro Kawaguchi, Atsushi Baba, Ichiro Maruta, Shuichi Adachi
2015 IEEE Conference on Control and Applications, CCA 2015 - Proceedings, pp. 1939–1944 (2015年11月)

DOI 10.1109/CCA.2015.7320893

Randomized automated demand response for real-time pricing
Shun-Ichi Azuma, Tsuyoshi Nakamoto, Shinsaku Izumi, Taichi Kitao, Ichiro Maruta
Proceedings of 2015 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT), ISGT2015-000083 (2015年2月)

DOI 10.1109/ISGT.2015.7131807

On linear solutions to a class of risk sensitive control for linear systems with stochastic parameters
Yuji Ito, Kenji Fujimoto, Yukihiro Tadokoro, Takayoshi Yoshimura
Proceedings of the 54th IEEE Conference on Decision and Control (CDC), pp. 6516–6523 (2015年12月)

DOI 10.1109/CDC.2015.7403246

On finite time optimal control for discrete-time linear systems with parameter variation
Kenji Fujimoto, Teppei Inoue, Shun Maruyama
Proceedings of the 54th IEEE Conference on Decision and Control (CDC), pp. 6524–6529 (2015年12月)

DOI 10.1109/CDC.2015.7403247

URL https://ieeexplore.ieee.org/document/7403247/

Numerical approach for nonlinear optimal control problems based on double generating functions
Zhiwei Hao, Qiuhua Zhang, Kenji Fujimoto
Proceedings of the 54th IEEE Conference on Decision and Control (CDC), pp. 3218–3223 (2015年12月)

DOI 10.1109/CDC.2015.7402702

URL https://ieeexplore.ieee.org/document/7402702/

Double generating function approach to discrete-time nonlinear optimal control problems
Dijian Chen, Kenji Fujimoto, Tatsuya Suzuki
Proceedings of the 54th IEEE Conference on Decision and Control (CDC), pp. 3894–3899 (2015年12月)

DOI 10.1109/CDC.2015.7402825

URL https://ieeexplore.ieee.org/document/7402825/

Optimal gait generation of constrained compass biped robot via generating function approach
Dijian Chen, Kenji Fujimoto, Tatsuya Suzuki
Proceedings of 2015 Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE), pp. 626–631 (2015年7月)

DOI 10.1109/SICE.2015.7285532

URL https://ieeexplore.ieee.org/document/7285532/

Double generating functions method for finite time LQ optimal trajectory generation problems
Hao Zhiwei, Zhang Qiuhua, Fujimoto Kenji
Proceedings of the 34th Chinese Control Conference (CCC), pp. 2490–2495 (2015年7月)

DOI 10.1109/ChiCC.2015.7260022

URL https://ieeexplore.ieee.org/document/7260022/

A unified approach of control and identification for optimal control of non-linear systems
Yuji Ito, Kenji Fujimoto, Yukihiro Tadokoro, Takayoshi Yoshimura
Proceedings of 2015 American Control Conference (ACC), pp. 2032–2037 (2015年7月)

DOI 10.1109/ACC.2015.7171032

URL https://ieeexplore.ieee.org/document/7171032/

On trajectory tracking control of port-Hamiltonian systems with quaternions
Kenji Fujimoto, Taishi Nishiyama
Proceedings of the 53rd IEEE Conference on Decision and Control, pp. 4820–4825 (2014年12月)

DOI 10.1109/CDC.2014.7040141

Generating function approach to linear quadratic optimal control problem with constraints on the state
Dijian Chen, Kenji Fujimoto, Tatusya Suzuki
Proceedings of the 53rd IEEE Conference on Decision and Control, pp. 6659–6664 (2014年12月)

DOI 10.1109/CDC.2014.7040434

Solving discrete-time nonlinear optimal control problem by generating function approach
Dijian Chen, Kenji Fujimoto, Tatusya Suzuki
Proceedings of SICE Annual Conference 2014, ThBT1.5 (2014年9月)

Trajectory generation and control of a biped walking robot based on the double generating functions method
Zhiwei Hao, Kotaro Asaba, Kenji Fujimoto, Yoshikazu Hayakawa, Akihiro Hasegawa, Qiuhua Zhang
Proceedings of 2014 International Conference on Multisensor Fusion and Information Integration for Intelligent Systems (MFI), pp. 1–6 (2014年9月)

DOI 10.1109/MFI.2014.6997707

URL https://ieeexplore.ieee.org/document/6997707/

Discrete-time linear quadratic optimal control with fixed and free terminal state via double generating functions
Dijian Chen, Zhiwei Hao, Kenji Fujimoto, Tatusya Suzuki
Proceedings of the 19th IFAC World Congress, pp. 6044–6049 (2014年8月)

On balanced truncation for symmetric nonlinear systems
Kenji Fujimoto, Jacquelien M.A. Scherpen
Proceedings of the 21st International Symposium on Mathematical Theory of Networks and Systems, pp. 1498–1502 (2014年7月)

Error Bound Analysis and Optimal Construction of Non-Parametric PWA Models
Yusuke Fujimoto, Ichiro Maruta, Toshiharu Sugie
Proceedings of the 53rd IEEE Conference on Decision and Control, pp. 6528–6535 (2014年12月)

DOI 10.1109/CDC.2014.7040413

Modeling of dynamics in demand response for real-time pricing
Ichiro Maruta, Yusuke Takarada
2014 IEEE International Conference on Smart Grid Communications, SmartGridComm 2014, pp. 806–811 (2014年11月)

DOI 10.1109/SmartGridComm.2014.7007747

Compression Based Identification of PWA Systems
Ichiro Maruta, Henrik Ohlsson
Proceedings of the 19th IFAC World Congress, pp. 4985–4992 (2014年8月)

DOI 10.3182/20140824-6-ZA-1003.02090

Stochastic moving horizon estimation for linear discrete-time systems with parameter variation
Kenji Fujimoto, Toshiaki Watanabe, Yoshihiro Hashimoto, Yoshiharu Nishida
Proceedings of the 52nd IEEE Conference on Decision and Control, pp. 5674–5679 (2013年12月)

DOI 10.1109/CDC.2013.6760783

Control of a biped robot via iterative learning control with a ZMP based cost function and feedback control
Kotaro Asaba, Kenji Fujimoto, Yoshikazu Hayakawa
Proceedings of SICE Annual Conference, TuBT6.2 (2013年9月)

Optimal trajectory generation for nonlinear systems based on double generating functions
Zhiwei Hao, Kenji Fujimoto, Yoshikazu Hayakawa
Proceedings of American Control Conference, pp. 6397–6402 (2013年6月)

An MDP approach to modeling and control of real-time pricing systems
Koichi Kobayashi, Ichiro Maruta, Kazunori Sakurama, Shun-ichi Azuma
Proceedings of the SICE Annual Conference, pp. 595–600 (2013年9月)

URL http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6736206&isnumber=6736144

On-demand optimal gait generation for a compass biped robot based on the double generating function method
Zhiwei Hao, Kenji Fujimoto, Yoshikazu Hayakawa
Proceedings of 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 3108–3113 (2013年11月)

DOI 10.1109/IROS.2013.6696797

URL https://ieeexplore.ieee.org/document/6696797/

Approximate solutions to the Hamilton-Jacobi equations for generating functions: The general cost function case
Zhiwei Hao, Kenji Fujimoto, Yoshikazu Hayakawa
Proceedings of the 9th Asian Control Conference (ASCC), pp. 1–6 (2013年6月)

DOI 10.1109/ASCC.2013.6606003

URL https://ieeexplore.ieee.org/document/6606003/

Application of the double generating function method to optimal gait generation for a biped robot
Zhiwei Hao, Kenji Fujimoto, Yoshikazu Hayakawa
Proceedings of the 32nd Chinese Control Conference, pp. 2338–2343 (2013年7月)

URL https://ieeexplore.ieee.org/servlet/opac?punumber=6621666

Identification of PWA models via optimal data compression
Ichiro Maruta; Toshiharu Sugie
Proceedings. of the 16th IFAC Symposium on System Identification, SYSID2012, pp. 368–373 (2012年7月)

DOI 10.3182/20120711-3-BE-2027.00194

Multidirectional simultaneous estimation of head-related transfer functions by prediction error method
Yurika Tokuzumi, Kentaro Ishikawa, Ichiro Maruta, Shuichi Adachi, Kentaro Matsui, Akio Ando
Proceedings of the 16th IFAC Symposium on System Identification, SYSID 2012, pp. 197–202 (2012年7月)

DOI 10.3182/20120711-3-BE-2027.00176

Optimal trajectory generation for linear systems based on double generating functions
Zhiwei Hao, Kenji Fujimoto, Yoshikazu Hayakawa
Proceedings of 2012 IEEE 51st IEEE Conference on Decision and Control (CDC), pp. 3827–3832 (2012年12月)

DOI 10.1109/CDC.2012.6426763

URL https://ieeexplore.ieee.org/document/6426763/

On subspace balanced realization and model order reduction for nonlinear interconnected systems
Kenji Fujimoto
Proceedings of 2012 IEEE 51st IEEE Conference on Decision and Control (CDC), pp. 4314–4319 (2012年12月)

DOI 10.1109/CDC.2012.6426255

URL https://ieeexplore.ieee.org/document/6426255/

Stability analysis of tacit learning based on environmental signal accumulation
Shingo Shimoda, Yuki Yoshihara, Kenji Fujimoto, Takashi Yamamoto, Iwao Maeda, Hidenori Kimura
Proceedings of 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 2613–2620 (2012年10月)

DOI 10.1109/IROS.2012.6385631

URL https://ieeexplore.ieee.org/document/6385631/

Identification of PWA models via data compression based on $\ell_1$ optimization
Ichiro Maruta, Toshiharu Sugie
Proceedings of the 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC), pp. 2800–2805 (2011年12月)

DOI 10.1109/CDC.2011.6160572

Identification of multiple mode models via distributed particle swarm optimization
Ichiro Maruta, Toshiharu Sugie, Tae-Hyoung Kim
Proceedings of the 18th IFAC World Congress, pp. 7743–7748 (2011年8月)

DOI 10.3182/20110828-6-IT-1002.02438

Synthesis of fixed-structure robust controllers using the distributed particle swarm optimizer with cyclic-network topology
Ichiro Maruta, Toshiharu Sugie, Tae-Hyoung Kim
Proceedings of 2011 American Control Conference, pp. 3716–3721 (2011年7月)

DOI 10.1109/ACC.2011.5991220

System identification based on variational Bayes method and the invariance under coordinate transformations
Kenji Fujimoto, Akinori Satoh, Shuichi Fukunaga
Proceedings of 2011 50th IEEE Conference on Decision and Control and European Control Conference, pp. 3882–3888 (2011年12月)

DOI 10.1109/CDC.2011.6160563

URL https://ieeexplore.ieee.org/document/6160563/

Optimal control of linear systems with stochastic parameters for variance suppression
Kenji Fujimoto, Yuhei Ota, Makishi Nakayama
Proceedings of 2011 50th IEEE Conference on Decision and Control and European Control Conference, pp. 1424–1429 (2011年12月)

DOI 10.1109/CDC.2011.6160562

URL https://ieeexplore.ieee.org/document/6160562/

A new approach for modeling hybrid systems based on the minimization of parameter transition in linear time-varying models
Ichiro Maruta, Toshiharu Sugie
Proceedings of the 49th IEEE Conference on Decision and Control, pp. 1177–1182 (2010年12月)

DOI 10.1109/CDC.2010.5717030

A symmetric structure of variational and adjoint systems of stochastic Hamiltonian systems
Satoshi Satoh, Kenji Fujimoto
Proceedings of the 49th IEEE Conference on Decision and Control (CDC), pp. 1423–1428 (2010年12月)

DOI 10.1109/CDC.2010.5718033

URL https://ieeexplore.ieee.org/document/5718033/

Controller reduction for linear systems based on subspace balanced realization
Kenji Fujimoto, Sayaka Ono, Yoshikazu Hayakawa
Proceedings of the 49th IEEE Conference on Decision and Control (CDC), pp. 5362–5367 (2010年12月)

DOI 10.1109/CDC.2010.5718093

URL https://ieeexplore.ieee.org/document/5718093/

Modification of learning optimal gait generation method in considering discontinuous velocity transitions
Satoshi Satoh, Masahito Ikeda, Kenji Fujimoto, Yoshikazu Hayakawa
Proceedings of SICE Annual Conference 2010, pp. 2794–2799 (2010年8月)

URL https://ieeexplore.ieee.org/document/5602601/

Identification of linear continuous-time systems based on the signal projection
Ichiro Maruta, Toshiharu Sugie
Proceedings of the 48th IEEE Conference on Decision and Control, pp. 7244–7249 (2009年12月)

DOI 10.1109/CDC.2009.5400191

Rapid Prototyping for Control Education using Arduino and Open-Source Technologies
Masato Ishikawa, Ichiro Maruta
IFAC Proceedings Volumes (IFAC-PapersOnline), vol. 42, no. 24, pp. 317–321 (2009年10月)

DOI 10.3182/20091021-3-JP-2009.00060

Practical modeling and system identification of R/C servo motors
和田 尭, 石川 将人, 北吉 良平, 丸田 一郎, 杉江 俊治
Proceedings of the 2009 IEEE International Conference on Control Applications, pp. 1378–1383 (2009年7月)

DOI 10.1109/CCA.2009.5280987

Novel closed-loop identification algorithm based on the finite-dimensional signal subspace
Ichiro Maruta, Toshiharu Sugie
Proceedings of the 15th IFAC Symposium on System Identification (SYSID 2009), pp. 414–419 (2009年7月)

DOI 10.3182/20090706-3-FR-2004.0145

The cross operator and the singular value analysis for nonlinear symmetric systems
Tudor C. Ionescu, Kenji Fujimoto, Jacquelien M. A. Scherpen
Proceedings of 2009 European Control Conference (ECC), pp. 1565–1570 (2009年8月)

DOI 10.23919/ECC.2009.7074629

URL https://ieeexplore.ieee.org/document/7074629/

Asymptotic path following and velocity control of port-Hamiltonian systems
Mitsuru Taniguchi, Kenji Fujimoto
Proceedings of 2009 European Control Conference (ECC), pp. 236–241 (2009年8月)

DOI 10.23919/ECC.2009.7074410

URL https://ieeexplore.ieee.org/document/7074410/

Positive and bounded real balancing for nonlinear systems - a controllability and observability function approach
Tudor C. Ionescu, Kenji Fujimoto, Jacquelien M. A. Scherpen
Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held jointly with 2009 28th Chinese Control Conference, pp. 4310–4315 (2009年12月)

DOI 10.1109/CDC.2009.5400113

URL https://ieeexplore.ieee.org/document/5400113/

Time-varying path following control for port-Hamiltonian systems
Mitsuru Taniguchi, Kenji Fujimoto
Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held jointly with 2009 28th Chinese Control Conference, pp. 3323–3328 (2009年12月)

DOI 10.1109/CDC.2009.5400011

URL https://ieeexplore.ieee.org/document/5400011/

Scaling reduction of port-Hamiltonian systems for numerical calculation
Gou Nishida, Daiji Ichishima, Kenji Kashima, Kenji Fujimoto, Masaki Yamakita, Bernhard Maschke, Ryojun Ikeura
Proceedings of 2009 ICCAS-SICE, pp. 686–690 (2009年8月)

URL https://ieeexplore.ieee.org/document/5334255/

Observer based stochastic trajectory tracking control of mechanical systems
Satoshi Satoh, Kenji Fujimoto
Proceedings of 2009 ICCAS-SICE, pp. 1244–1248 (2009年8月)

URL https://ieeexplore.ieee.org/document/5335071/

Reset-free iterative identification based on the finite-dimensional signal subspace
Ichiro Maruta, Toshiharu Sugie
Proceedings of the 47th IEEE Conference on Decision and Control, pp. 2368–2373 (2008年12月)

DOI 10.1109/CDC.2008.4738992

Synthesis of fixed-structure H-infinity controllers via constrained particle swarm optimization
Ichiro Maruta, Tae-Hyoung Kim, Toshiharu Sugie
Proceedings of the 17th IFAC World Congress, pp. 7843–7848 (2008年7月)

DOI 10.3182/20080706-5-KR-1001.2065

On passivity based control of stochastic port-Hamiltonian systems
Satoshi Satoh, Kenji Fujimoto
Proceedings of the 47th IEEE Conference on Decision and Control, pp. 4951–4956 (2008年12月)

DOI 10.1109/CDC.2008.4738733

URL https://ieeexplore.ieee.org/document/4738733/

On balanced realization and finite-dimensional approximation for infinite-dimensional nonlinear systems
Kenji Fujimoto, Sayaka Ono
Proceedings of the 47th IEEE Conference on Decision and Control, pp. 4215–4220 (2008年12月)

DOI 10.1109/CDC.2008.4739031

URL https://ieeexplore.ieee.org/document/4739031/

Passive path following control for port-Hamiltonian systems
Kenji Fujimoto, Mitsuru Taniguchi
Proceedings of the 47th IEEE Conference on Decision and Control, pp. 1285–1290 (2008年12月)

DOI 10.1109/CDC.2008.4739242

URL https://ieeexplore.ieee.org/document/4739242/

A framework for optimal gait generation via learning optimal control using virtual constraint
Satoshi Satoh, Kenji Fujimoto, Sang-Ho Hyon
Proceedings of 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 3426–3432 (2008年9月)

DOI 10.1109/IROS.2008.4650860

URL https://ieeexplore.ieee.org/document/4650860/

Particle swarm optimization based robust PID controller tuning scheme
Tae-Hyoung Kim, Ichiro Maruta, Toshiharu Sugie
Proceedings of the 46th IEEE Conference on Decision and Control, pp. 200–205 (2007年12月)

DOI 10.1109/CDC.2007.4434126

Practical Controller Design for Discrete-valued Input Systems using Feedback Modulators
Masato Ishikawa, Ichiro Maruta, Toshiharu Sugie
Proceedings of the European Control Conference (ECC2007), pp. 3269–3274 (2007年7月)

DOI 10.23919/ECC.2007.7068292

Independent component analysis for nonminimum phase systems using stable dynamic model inversion
Shuichi Fukunaga, Kenji Fujimoto
Proceedings of 2007 European Control Conference (ECC), pp. 922–926 (2007年7月)

DOI 10.23919/ECC.2007.7068597

URL https://ieeexplore.ieee.org/document/7068597/

Balanced realization and model reduction of port-Hamiltonian systems
Kenji Fujimoto, Hideo Kajiura
Proceedings of 2007 American Control Conference, pp. 930–934 (2007年7月)

DOI 10.1109/ACC.2007.4282653

URL https://ieeexplore.ieee.org/document/4282653/

Weighted balanced truncation for unstable nonlinear systems using coprime factorizations
Kenji Fujimoto, Hikaru Mizuno
Proceedings of the 45th IEEE Conference on Decision and Control, pp. 3843–3848 (2006年12月)

DOI 10.1109/CDC.2006.377134

URL https://ieeexplore.ieee.org/document/4177387/

Nonlinear blind deconvolution based on a state-space model
Shuichi Fukunaga, Kenji Fujimoto
Proceedings of the 45th IEEE Conference on Decision and Control, pp. 6295–6300 (2006年12月)

DOI 10.1109/CDC.2006.377092

URL https://ieeexplore.ieee.org/document/4178008/

Gait Generation for Passive Running via Iterative Learning Control
Satoshi Satoh, Kenji Fujimoto, Sang-ho Hyon
Proceedings of 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 5907–5912 (2006年10月)

DOI 10.1109/IROS.2006.282471

URL https://ieeexplore.ieee.org/document/4058408/

Exact structured singular value of robotic manipulators and quantitative analysis of passivity based control
Satoru Sakai, Koichi Osuka, Kenji Fujimoto
Proceedings of 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp. 2053–2058 (2006年10月)

DOI 10.1109/IROS.2006.282418

URL https://ieeexplore.ieee.org/document/4058684/

On computation of nonlinear balanced realization and model reduction
Kenji Fujimoto, Daisuke Tsubakino
Proceedings of 2006 American Control Conference (2006年)

DOI 10.1109/ACC.2006.1655399

URL https://ieeexplore.ieee.org/document/1655399/

Dynamic output feedback stabilization for a class of nonholonomic Hamiltonian systems
Satoru Sakai, Kenji Fujimoto
Proceedings of SICE 2004 Annual Conference, pp. 404–409 (2004年)

URL https://ieeexplore.ieee.org/document/1491434/

What are singular values of nonlinear operators?
Kenji Fujimoto
Proceedings of the 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601), pp. 1623–1628 (2004年)

DOI 10.1109/CDC.2004.1430277

URL https://ieeexplore.ieee.org/document/1430277/

Optimal control of Hamiltonian systems with input constraints via iterative learning
Kenji Fujimoto, T. Horiuchi, Toshiharu Sugie
Proceedings of the 42nd IEEE International Conference on Decision and Control (IEEE Cat. No.03CH37475), pp. 4387–4392 (2003年)

DOI 10.1109/CDC.2003.1272188

URL https://ieeexplore.ieee.org/document/1272188/