Tadashi Kishimoto
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View article: Conversion efficiency improvement of terahertz wave generation laterally emitted by a ridge-type periodically poled lithium niobate
Conversion efficiency improvement of terahertz wave generation laterally emitted by a ridge-type periodically poled lithium niobate Open
We demonstrate terahertz (THz) wave generation by wavelength conversion in a ridge-type/bulk periodically poled lithium niobate (RT-/bulk-PPLN) under almost the same experimental conditions. When using the RT-PPLN, the ridge structure work…
View article: View Point Analysis of a Tractor Operator at Coordinate Works with the Robot Tractor
View Point Analysis of a Tractor Operator at Coordinate Works with the Robot Tractor Open
農家人口の減少に対応するため，ロボットトラクタが開発され，実証実験を開始した．ロボットトラクタは同一ほ場内で有人トラクタとの協調作業が可能であるが，その視認性をトラクタオペレータからロボットトラクタへの視点をアイマークレコーダによって分析することで検証した．ロボットトラクタとの協調作業では，ロボットトラクタへの注視割合は51～67％であった．ロータリハローの機体中心マーカの利用は，ロボットトラクタの監視には効果があった．注視点の停留時間とサッケード回数からロボットトラクタ協…
View article: Study of Shrink Fitting for Shaft Couplings by Laser Heating
Study of Shrink Fitting for Shaft Couplings by Laser Heating Open
Laser shrink fitting for pipe coupling was developed as an application of laser forming. The coupling of the pipe of stainless steel and bar of hardened oxygen-free copper is made by laser shrink fitting. A bar is inserted into a pipe, and…
View article: Study of Shrink Fitting for Shaft Couplings by Laser Heating
Study of Shrink Fitting for Shaft Couplings by Laser Heating Open
Laser shrink fitting for shaft coupling was developed as application of laser forming. The coupling of the pipe of stainless steel and bar of carbon steel is made by laser shrink fitting. A bar is inserted into a pipe, and the pipe surface…
View article: Traction and braking force on three surfaces of agricultural tire lug
Traction and braking force on three surfaces of agricultural tire lug Open
The objective of this research was to improve the performance of an agricultural tire by designing the shape of the tire lug. For the first stage of this research, pressure sensors were mounted in the leading lug side and the trailing lug …
View article: Simulation of spray distribution with boom sprayer considering effect of wind for agricultural cloud computing analysis
Simulation of spray distribution with boom sprayer considering effect of wind for agricultural cloud computing analysis Open
This study set out to examine the effective utilization of operation data for agricultural cloud computing analyses and the creation of a simulation map for the amounts of agrochemical sprayed by a tractor to estimate the wind speed in a f…