Puente-Flores, A., Kojima, H., Keshtkar, S. (2024). Soft fingers with variable stiffness for space gripping tasks: An assessment. Mechanism and Machine Theory, Vol. 203, 105830.
Kojima, H., Kawamoto, R., Keshtkar, S. (2024). Inverse-Kinematics Steering Laws for Double-Gimbal Scissored-Pair Control Moment Gyros. Journal of Spacecraft and Rockets, pp. 1–18.
Keshtkar, S., Kojima, H. (2024). Design and simulation study of novel reaction wheels with adjustable inertia for enhanced attitude control. Mechanism and Machine Theory, Vol. 197, 105636.
Keshtkar, S., Tamborrell, P., & Kojima, H. (2023). Learning perceptions of STEM students partaking in an international experiential learning. International Journal on Interactive Design and Manufacturing (IJIDeM), 17(6), 3279-3303.
H. Kojima, S. Keshtkar, F. Baba, Y. Kato, H. Suzuki, K. Kosuge, & P. M. Trivailo. "Design, development, and experiments of novel tether-net release mechanism"; Advances in Space Research, 2023.
H. Mauricio A. Ramírez-Moreno ,Sajjad Keshtkar, et. al. "Sensors for Sustainable Smart Cities: A Review";Applied Sciences, V. 11(7), pp. 1 – 29, 2021.
H. Kojima; R. Nakamura; S. Keshtkar "Model predictive steering control law for double gimbal scissored-paircontrol moment gyros"; Acta Astronautica, V. 183, pp. 273 – 285, 2021.
H. Kojima; R. Nakamura; S. Keshtkar "Steering control law for double-gimbal scissored-pair CMG"; Advancesin Space Research, V. 66 (4), pp. 771 – 784, 2020.
S.I. Valdez; I. Gutierrez-Carmona; S. Keshtkar; E.E. Hernandez; "Kinematic and dynamic design andoptimization of a parallel rehabilitation robot"; Intelligent Service Robotics, V. 13 (3), pp. 365 – 378, 2020.
N. Keshtkar; S. Keshtkar; A. Poznyak; "Deflection Sliding Mode Control of a Flexible Bar Using a ShapeMemory Alloy Actuator with an Uncertainty Model"; Applied Sciences, V. 10 (2), pp. 471 – 482, 2020.
Sajjad Keshtkar ; Jaime A. Moreno ; Hirohisa Kojima ; Eusebio Hernandez; "Design Concept and Developmentof a New Spherical Attitude Stabilizer for Small Satellites"; IEEE Access, V. 6, pp. 57353 – 57365, October 2018.
S. Keshtkar, J. A Moreno, H. Kojima, K. Uchiyama, M. Nohmi and K. Takaya; "Spherical Gyroscopic Moment Stabilizer for Attitude Control of Microsatellites"; Acta Astronautica, V. 143, pp. 9 – 15, February 2018.
Sajjad Keshtkar, Eusebio Hernandez, Armando Oropeza and Alexander Poznyak; "Subreflector of Radio-Telescope Positioning on Gough-Stewart Platform via Sliding Mode Techniques"; Automation and Remote Control, V. 78, NO. 7pp: 1218 – 1233, July 2017.
S. Keshtkar, E. Hernandez, A. Oropeza and A. Poznyak; "Orientation of Radio-Telescope Secondary Mirror via Sliding Mode Control"; Neurocomputing, V. 233, pp. 43 – 51, April 2017.
S. Keshtkar and Alexander Poznyak; "Tethered space orientation via adaptive sliding mode"; International Journal of Robust and Nonlinear Control, V. 26, Issue 8, pp: 1632 – 1646, May 2016.
Sajjad Keshtkar and Alexander Poznyak; "Adaptive Sliding Mode Controller Based on Super-Twist Observer for Tethered Satellite System"; International Journal of Control, V. 89, NO. 9, pp:1904–1915, July 2016.

Diaz-Martinez, J. G., Ortiz, E. M. L., Keshtkar, S., et al. (2024). Empowering Middle Schoolers in Robotics. TAEE2024, Spain, Jun 2024.
Keshtkar, S., Villegas, C. (2024). Emerging Fields in Mechanism and Machine Science. DUEPublico, Germany.
Flores, F. G., Keshtkar, S., Kojima, H. (2024). Soft Fingers with Variable Stiffness for Gripping Tumbling Objects in Space. MMT Symposium, Portugal, 2024
Keshtkar, S., Adormo, B.V., & Kojima, H. (2023).: Enhancing Task Relaxation for Collision Avoidance of Space Robots, ISTS2023, Jun 3-9, Kurume.
Lorea, A., Pizarro E., Keshtkar, S., Kojima, H. & Roman A. (2023).: Dynamic Study of Tethered Probe for Planetary Atmospheric Exploration, ISTS2023, Jun 3-9, Kurume.

• 航空宇宙工学概論1
• 航空宇宙工学概論2
• 航空宇宙工学実験2
• 設計製図
• 航空宇宙システム工学特別研究1
• 航空宇宙システム工学特別研究2
• 国際特別演習Ⅳ
• Satellites and Orbits: An Introduction to Space Science

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