• Title/Summary/Keyword: MGV

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Magnetic Guidance Vehicle using Up-and-down Rotating Type Differential Drive Unit (상하 회전형 차동 구동부를 이용한 자기 유도 무인운반차)

  • Song, Hajun;Cho, Hyunhak;Kim, Sungshin
    • Journal of the Korean Institute of Intelligent Systems
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    • v.24 no.2
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    • pp.123-128
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    • 2014
  • This paper presents the study about MGV(Magnetic guidance vehicle) with up-and-down rotating type differential drive unit. Previous MGV needs the landmarks to get the driving information and additional sensor to recognize the landmarks except for localization sensor. Previous MGV requires at least 2 drive units when common fixed differential drive unit is used because it occurs the problems with driving control and localization error from imbalance of the MGV's weight. To solve such problems, we propose the MGV using up-and-down rotating type differential drive unit. Proposed MGV recognizes the driving information from the pattern which is consisted of both pole of magnet without landmarks and additional sensors, and it control the backward movement using up-and-down rotating type differential drive unit instead of common drive units. Proposed MGV considers KF(Kalman filter) to improve the localization accuracy. To verify the performance of proposed method, we designed MGV for the experiment. As the results, we can confirm the performance of propoesed method to recognize the pattern and to control the backward movement. With respect to localization, proposed method has the less RMSE about 5.6904 mm than previous method.

Rubia cordifolia: a review

  • Patil, Rupali;Mohan, Mahalaxmi;Kasture, Veena;Kasture, Sanjay
    • Advances in Traditional Medicine
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    • v.9 no.1
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    • pp.1-13
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    • 2009
  • Medicinal herbs are significant source of synthetic and herbal drugs. In the commercial market, medicinal herbs are used as raw drugs, extracts or tinctures. Isolated active constituents are used for applied research. For the last few decades, phytochemistry (study of plants) has been making rapid progress and herbal products are becoming popular. According to Ayurveda, the ancient healing system of India, the classical texts of Ayurveda, Charaka Samhita and Sushruta Samhita were written around 1000 B.C. The Ayurvedic Materia Medica includes 600 medicinal plants along with therapeutics. Herbs like turmeric, fenugreek, ginger, garlic and holy basil are integral part of Ayurvedic formulations. The formulations incorporate single herb or more than two herbs (poly-herbal formulations). Medicinal herb contains multitude of chemical compounds like alkaloids, glycosides, saponins, resins, oleoresins, sesquiterpene, lactones and oils (essential and fixed). Today there is growing interest in chemical composition of plant based medicines. Several bioactive constituents have been isolated and studied for pharmacological activity. R. cordifolia is an important medicinal plant commonly used in the traditional and Ayurvedic system of medicine for treatment of different ailments. This review illustrates its major constituents, pharmacological actions substantiating the claims made about this plant in the traditional system of medicine and its clinical applications.

Development of Magnet Position Device for Outdoor Magnet Guidance Vehicle (실외 자기유도 무인운반차를 위한 자기 위치측정 장치 개발)

  • Cho, Hyunhak;Kim, Sungshin
    • Journal of the Korean Institute of Intelligent Systems
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    • v.24 no.3
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    • pp.259-264
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    • 2014
  • This paper is research paper on the MPD(Magnet Position Device) for the outdoor MGV(Magnet /Magnet Gyro Guidance Vehicle). Usually, MGV is used in indoor environment because of a measurement height of the magnet position device. CMPD(Commercial magnet position device) has 30 mm measurement height, so this is suitable structure in indoor environment like to a flat surface. Outdoor environment is an uneven and irregular, So Outdoor MGV must has a suspension. But CMPD is unsuitable for outdoor environment because of a collision with a surface caused by suspension. Thus, measurement height of the outdoor MPD is positively necessary more than 100 mm. So, we suggest the outdoor MPD using analog magnet hall sensor, moving average filter and Characteristic(rate of the magnet hall sensor) function of the localization. Result of the experiments, the proposed Magnet Position Device for the outdoor MGV has localization accuracy 4.31 mm, measurement height 150 mm and width 150 mm and is efficient more than CMPD.

Antioxidant, anti-inflammatory, and adaptogenic activity of Asparagus acutifolius extract

  • Kasture, Sanjay;Kasture, Ameya;Ballero, Mauro;Maxia, Andrea
    • Advances in Traditional Medicine
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    • v.9 no.1
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    • pp.83-89
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    • 2009
  • Although many species of Asparagus have been studied scientifically and shoots are used in the diet of Sardinians, there is very little literature available on the medicinal uses of Asparagus acutifolius Linn. The acetone-ethanol (1:1) extract was screened for antioxidant, anti-inflammatory and adaptogenic activities. The extract showed good anti-oxidant activity in DPPH, hydroxyl radical, and nitric oxide radical assays. The extract also exhibited anti-inflammatory activity in the carrageenan-induced rat paw edema and adaptogenic activity in the milk induced leucocytosis assay in rats. The results of the present study suggest need to investigate other pharmacological activities of Asparagus acutifolius.

The Germination Characteristics of Rumex spp. Seeds (소리쟁이속 잡초종자의 발아 특성)

  • Park, Nam-Il;Lee, In-Yong;Park, Jae-Eup
    • Asian Journal of Turfgrass Science
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    • v.24 no.1
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    • pp.31-35
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    • 2010
  • Several experiments were conducted to investigate the germination characteristics among the Rumex crispus, R. japonicus, R. obtusifolius, and R. nipponicus. The germination point of R. japonicus was started 4 days after application, and then R. obtusifolius (5th), R. crispus (6th), R. nipponicus (10th) with appeared order. The optimum temperatures for germination of all tested Rumex spp. occurred at the $15^{\circ}C$. Especially, R. obtusifolius will have the widest germination range at $10^{\circ}C{\sim}30^{\circ}C$. To compared with 1996 and 2004 year selected R. japonicus germination were did not significantly difference, otherwise, all tested Rumex spp. on dark condition was not germinated. The parameters of germination characteristics of Rumex spp. were investigated mean germination rate (MGR, %), mean germination time (MGT, day), mean germination velocity (MGV, No./day), and coefficient of germination uniformity (CGU). The R. japonicus compared in tested Rumex spp. showed the highest MGR. The MGT and MGV of R. obtusifolius was appeared the earliest compared with R. obtusifolius and R. crispus.

Anxiolytic activity of standardized extract of Korean ginseng - a study on exploratory behavior

  • Mohan, M;Kasture, SB;Balaraman, R
    • Advances in Traditional Medicine
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    • v.5 no.4
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    • pp.301-307
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    • 2005
  • The roots of the plant Korean ginseng have been extensively used in the traditional Chinese herbal medicine. We investigated the standardized extract of Korean ginseng on animal models of anxiety based on exploratory behavior. Korean ginseng extract (KGE) (3, 10 and 30 mg/kg) was administered intra-peritoneally. The anxiolytic activity was studied using elevated plus maze (EPM) paradigm, light/dark apparatus (LDA), open field apparatus (OFA) and the hole board apparatus (HBA). Diazepam (1mg/kg) was used as a standard anxiolytic drug. In EPM, KGE (10 mg/kg) significantly (P < 0.05) increased the time spent in open arms and the number of entries in open arms. In LDA, KGE (10 mg/kg) increased the number of transitions. In OFA, KGE (3 and 10 mg/kg) significantly increased (P < 0.05) the number of squares traversed. In HBA the number of head pokes were significantly increased with KGE (3 and 10 mg/kg). KGE at all selected doses did not affect the motor coordination. Thus, the study suggests that saponin containing standardized Korean ginseng extract possess anxiolytic activity.

A Case Report of Efficacy of Growth Height and Peak-Luteinizing Hormone Level Suppression on Idiopathic Gonadotropin-Dependent Precocious Puberty Patient Using Herbal Remedy, Aesopjiyoun-tang

  • Nam, Se-hion;Lee, Chong-hai;Tang, Yu-wei;Liu, Yuan-sheng;Kim, Ki-chul;Chun, Sang-yeol;Yeom, Yu-rim;Kim, Hyung chang;Lee, Myoung-deok
    • The Journal of Korean Medicine
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    • v.36 no.4
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    • pp.150-155
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    • 2015
  • The purpose of this report is to evaluate effect of Korean medical treatment on idiopathic gonadotropin-dependent precocious puberty (G-DPP) patient received herbal medicine. We administered Aesopjiyoun-tang remedy to idiopathic G-DPP and analyzed the delay effect by hormonal value and radiographs; the height growth effect by measurement of height. After Korean medical treatment, suppression effect to peak-Luteinizing Hormone level (LHL) is 14.39IU/L to 10.9IU/L for 13month, growth effect to height value is 11cm/13month; and change of mean growth velocity (MGV) is 6.08cm/year to 10.06cm/year. The gain in height by treatment is 3.98cm/year. The result suggests Aesopjiyoun-tang can be an effective treatment for G-DPP. Herbal medicine can be used as an alternative treatment in place of the GnRH treatment.