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2021.01.16(pm): Prevention of Red Scale Formation during Hot Rolling of Steels

authors : Hikaru Okada, Tomoki Fukagawa, Haruhiko Ishihara, Atsuki Okamoto, Masatoshi Azuma, Yukio Matsuda link :  https://doi.org/10.2355/isijinternational.35.886 abstract : Red scale defects usually observed in high Si hot rolled strip were reproduced in a laboratory 3 stand tendem mill. The effects of hot rolling and descaling conditions on the strip surface color and scale structure were examined.Irrespective of Si content …

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2021.01.16(pm): Mechanism of Red Scale Defect Formation in Si-added Hot-rolled Steel Sheets

authors : Tomoki Fukagawa, Hikaru Okada, Yasuhiro Maehara link : 10.2355/isijinternational.34.906 Abstract : The red scale, which is one of the major defects on hot-rolled Si added steel sheets, is reproduced experimentally. On the basis of detailed observation of the scale properties, we propose the mechanism of formation of the red scale. Imcomplete descaling of FeO prior …

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2021.01.16(am): Kinetics of High Temperature Oxidation of High Carbon Steels in Multi-component Gases Approximating Industrial Steel Reheat Furnace Atmospheres

authors: H. T. Abuluwefa link: https://www.researchgate.net/publication/286600352_Kinetics_of_High_Temperature_Oxidation_of_High_Carbon_Steels_in_Multi-component_Gases_Approximating_Industrial_Steel_Reheat_Furnace_Atmospheres abstract:The isothermal oxidation behaviour of some carbon steels under various experimental conditions was investigated. The composition of oxidation atmosphere used in this work was chosen to approximate atmospheres found in industrial steel billet reheat furnaces. In order to study the effect of adding each gaseous component in these atmospheres experiments were …

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2019.11.10(pm): A Composite COG Trajectory Planning Method for the Quadruped Robot Walking on Rough Terrain

Today I will look at the Trajectory Planning Method for the Quadruped Robot Walking on Rough Terrain and explore the scenario where the quadruped robot walking on the rough terrain with the static walking gait. link: https://www.researchgate.net/publication/285746581_A_Composite_COG_Trajectory_Planning_Method_for_the_Quadruped_Robot_Walking_on_Rough_Terrain COG(Center of Gravity) trajectory Kinematic Let’s define planned walking patterns based on the position of the torso and …

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2019.11.10(pm): Fine microstructure formation in steel under ultrafast heating

authors: Mitsuharu Yonemura, Hitomi Nishibata, Tomohiro Nishiura, Natsumi Ooura, Yuki Yoshimoto, Kazuki Fujiwara, Kaori Kawano, Tomoyuki Terai, Yuichi Inubushi, Ichiro Inoue, Kensuke Tono & Makina Yabashi  link: https://www.nature.com/articles/s41598-019-47668-6 abstract: In this study, phase transformation kinetics was directly evaluated using a femtosecond X-ray diffraction technique for operand measurements of the dislocation densities and carbon concentrations in Fe-0.1mass%C martensitic steel. To identify the reverse transformation mechanism from α′ to …

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2019.06.10(am): DC Motor Angular Position Control using PID Controller with Friction Compensation

authors: Myo Maung Maung, Maung Maung Latt, Chaw Myat Nwe link: http://dx.doi.org/10.29322/IJSRP.8.11.2018.p8321 abstract:This paper finds to get the precision of angular position control for DC geared motor using PID controller. The Arduino microcontroller board is mainly used to control the 12V brushed Namiki DC motor. L298N dual H-bridge motor driver is applied to execute the …

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2019.05.21(am): Development of an Amphibian Legged Robot Based on Jansen Mechanism for Exploration Tasks

link: https://doi.org/10.1007/978-981-10-2845-8_7 authors:Gopi Krishnan RegulanGanesan KaliappanM. Santhakumar abstract:The paper discusses the development of a linkage based amphibian legged robot for exploration and surveillance tasks. The proposed system can walk on both ground and water surfaces. The proposed system has two major mechanisms for its motion namely a planar eight bar Jansen mechanism as a leg and an Ackermann steering …

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2019.05.19(am): Study of Applications of Jansen’s Mechanism in Robot

authors: Somak Sengupta, Pramod Bhatia abstract: The natural and the manmade terrains on planet Earth vary from place to place. The availability of affordable and safe modes of transportation on the different types of terrain is currently costly and limited. This problem is mainly due to the limitations of wheels which fail to deliver on …

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2019.05.18(am): Pure reactive behavior learning using Case Based Reasoning for a vision based 4-legged robot

link: https://doi.org/10.1016/j.robot.2008.11.003 authors:Jose ManuelPeula, Cristina Urdiales, Ignacio Herrero, Isabel Sánchez-Tato, Francisco Sandoval abstract:A traditional problem in robotics is adaptation of developed algorithms to different platforms and sensors, as each of them has its specifics and associated errors. Hierarchical control architectures deal with the problem through division of the system into layers, where deliberative processing is …

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2019.05.18(am): Design, control, and energetics of an electrically actuated legged robot

link: 10.1109/3477.604106 authors:P. Gregorio ; M. Ahmadi ; M. Buehler abstract:To study the design, control and energetics of autonomous dynamically stable legged machines we have built a planar one-legged robot, the ARL Monopod. Its top running speed of 4.3 km/h (1.2 m/s) makes it the fastest electrically actuated legged robot to date. We adapted Raibert’s control laws for the …

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