Výsledky vyhledávání - "Makoto YOKOYAMA"

Akademický článek

Robust control of pantograph‐catenary system: Comparison of 1‐DOF‐based and 2‐DOF‐based control systems

Autor: Pan Yu, Kang‐Zhi Liu, Xiaoli Li, Makoto Yokoyama

Publikováno v: IET Control Theory & Applications, Vol 15, Iss 18, Pp 2258-2270 (2021)

Abstract Compared to control bandwidth, low‐frequency uncertainties or disturbances like step signals can be well rejected by many methods having two‐degree‐of‐freedom (2‐DOF). Due to robustness constraint, technically more challenging is t

Externí odkaz: https://doaj.org/article/1ba325426ae34401939daaf83b718a65

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Akademický článek

An optimal servo system based on sliding mode for the contact force of an active pantograph

Autor: Myat Thiri Ko, Makoto YOKOYAMA, Shun NAGAYOSHI

Publikováno v: Mechanical Engineering Journal, Vol 4, Iss 4, Pp 17-00149-17-00149 (2017)

This paper presents a design method of optimal servo systems based on sliding mode for an active pantograph with flexibility subject to the stiffness variation of the catenary. It is pointed out through our analysis that the flexibility makes the con

Externí odkaz: https://doaj.org/article/8a812f06c9ae45bcbd296dc535fca3a3

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Akademický článek

Adaptive control of a skid-steer mobile robot with uncertain cornering stiffness

Autor: Makoto YOKOYAMA, Jun IKARASHI, Akinori OKAWA

Publikováno v: Mechanical Engineering Journal, Vol 2, Iss 4, Pp 15-00040-15-00040 (2015)

This paper presents an adaptive controller for a position tracking problem of a skid-steer mobile robot. First, a non-adaptive control law is designed by the backstepping method, where the reference signals are generated by a non-holonomically constr

Externí odkaz: https://doaj.org/article/5c174cc41b7e49498a588abd4f8c3829

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Akademický článek

Modeling and robust control of a high speed train pantograph

Autor: Makoto YOKOYAMA, Sho YOKOYAMA, Hikaru SAKAKIBARA, Shigeyuki KOBAYASHI, Takayuki USUDA, Mitsuru IKEDA

Publikováno v: Mechanical Engineering Journal, Vol 2, Iss 3, Pp 15-00041-15-00041 (2015)

For high-speed trains, active control of the pantograph is crucial technology to collect electrical current from the overhead contact wire. In this paper, a mathematical model of the pantograph-catenary system is developed to design a controller, and

Externí odkaz: https://doaj.org/article/9c9b3a16e40040409310ec4ba8f5b080

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