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Scheduling in the Transportation Sector, Current Trends and the Road Ahead
Vincent, Gosselin 한국전문가시스템학회 1997 학술대회 Vol.1 No.1
Many large transportation and logistic companies have used state of the art scheduling technologies in the past 5 years. What was considered high risk projects just S years ago in the industry, are now becoming quite common in many places and especially in South East and East Asia where transportation companies have to demonstrate continuous increase in productivity. The author would like to share with audience some of his experience with important success stories in the transportation sector in Hong Kong, Singapore, Malaysia and Japan. Achieving a successful scheduling based applications is never easy, several parameters and traps will determine success or failure, while at the same time, the transportation industry is increasingly demanding such $quot;intelligent$quot; systems. We call this state the time of the $quot;quickening$quot; where the need for experienced and well trained consultant (whether from Academia or the Industry) will play a vital role.
Collision-avoidance trajectory planning for a virtual kinesthetic feedback system
Kun Wang,Clement Gosselin,Xuan Wu,Qiu-Ju Zhang,Ke Li,Yi Cao 대한기계학회 2016 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.30 No.7
This paper proposes the collision-avoidance trajectory design and simulation of a virtual kinesthetic feedback system. The system has two sliders driven in two tracks, respectively, and produces virtual masses when the user holds and moves the system. Trajectory planning considering both the ideal and constrained scenarios in applications is carried out. A collision-avoidance trajectory is designed based on the quintic polynomial, and the influence of the time interval and the switching point is discussed. Simulations were performed to verify the function of the system. The results show that without constraints, the system can produce prescribed virtual masses. The displacements of the slider are affected by the error between the prescribed virtual mass and the real mass of the system. With the constraints of the tracks' lengths, the produced virtual masses are altered from the prescribed. Adjusting the time interval and the switching point could optimize the performance of the system when the geometric parameters of the system are set.
Fournier, Anick R.,Khanizadeh, Shahrokh,Gauthier, Louis,Gosselin, Andre,Dorais, Martine The Korean Society of Ginseng 2003 Journal of Ginseng Research Vol.27 No.4
Vesicular-arbuscular mycorrhizae (VAM) fungi naturally colonise American ginseng roots and this relationship is highly beneficial to enhance plant productivity. Our goal was to determine the effect of adding two Glomus species (Glomus etuticatum, G. intraradices) on survival, photosynthetic capacity, growth, morphology and root ginsenoside content of one-year-old American ginseng plants grown in a broadleaf forest. While our study revealed that VAM inoculations significantly affected root morphology and Re ginsenoside content, the survival, photosynthetic capacity and root growth of American ginseng plants were not significantly influenced by VAM inoculations. Surface area and volume of rootlets were 16-25% higher for ginseng grown in VAM-inoculated soil compared to those grown in the control plots. Also, Re ginsenoside content was 18 % higher in YAM-inoculated roots compared to controls.