Speed Control of Separately Excited DC Motor using Neuro Fuzzy Technique

This paper uses NEURO FUZZY TECHNIQUE in estimating speed and controlling it for a separately excited DC motor. The rotor speed of the dc motor can be made to follow an arbitrarily selected trajectory. The purpose is to achieve accurate trajectory control of the speed of saperately excited DC Motor, especially when the motor and load parameters are unknown. Such a neuro fuzzy control scheme consists of two parts. One is the neural identifier which is used to estimate the motor speed error (state error or state error derivative). The second is the fuzzy logic controller which is used to generate a control signal for a chopper & speed control of separately excited DC Motor. The purpose of this technique is to achieve accurate trajectory control of the speed. Such a control scheme consists of two parts. One is the neural identifier which is used to estimate the motor speed. The other is the neural fuzzy logic controller which is used to generate the control signal (fuzzy output)

Mechanisms of charge accumulation in the dark operation of perovskite solar cells

In this work, a new current peak at forward bias in the dark current–voltage curves has been identified for standard mesoscopic perovskite solar cells. This characteristic peak appears only under some specific conditions, mainly in the reverse scan (RS) direction and when the solar cells were kept for several seconds under short-circuit conditions before starting the RS measurement. This peak disappears when the above experimental conditions are not applied. It is considered that this uncommon diode shape is obtained because shallow and/or deep trap states located at the interface between either perovskite/ p-type or perovskite/n-type transport materials are dynamically filled during the RS voltage scan. To corroborate this hypothesis, the response of hole tran sport materials (HTMs), small molecule spiro-OMeTAD and polymer P3HT, as well as both HTMs with additives, was compared. Also perovskite absorbers such as CH 3 NH 3 PbI 3 and all-inorganic perovskite based on cesium (CsPbI 3 ) were also analyzed, achieving in all cases similar trends.This research was supported by CRES

Tandem Dye-Sensitized Solar Cells Based on TCO-less Back Contact Bottom Electrodes

Mechanically stacked and series connected tandem dye sensitized solar cells (T-DSSCs) are fabricated in novel architectures. The architecture consist of TCO tandem DSSCs stacked with TCO-less back contact DSSCs as bottom electrodes (TCO-less tandem DSSCs). Resulting TCO-less tandem DSSCs architecture finds its usefulness in efficient photon harvesting due to improved light transmission and enhanced photons reaching to the bottom electrodes. The fabricated tandem performance was verified with visible light harvesting model dyes D131 and N719 as a proof of concept and provided the photoconversion efficiency (PCE) of 6.06% under simulated condition. Introduction of panchromatic photon harvesting by utilizing near infrared light absorbing Si-phthalocyanine dye in combination with the modified tandem DSSC architecture led to enhancement in the PCE up to 7.19%.India-Japan Expert Group Meeting on Biomolecular Electronics & Organic Nanotechnology for Environment Preservation (IJEGMBE 2015), December 23-26, 2015, Fukuoka, Japa

Estrogen-dependent dynamic profile of eNOS-DNA associations in prostate cancer

In previous work we have documented the nuclear translocation of endothelial NOS (eNOS) and its participation in combinatorial complexes with Estrogen Receptor Beta (ERβ) and Hypoxia Inducible Factors (HIFs) that determine localized chromatin remodeling in response to estrogen (E2) and hypoxia stimuli, resulting in transcriptional regulation of genes associated with adverse prognosis in prostate cancer (PCa). To explore the role of nuclear eNOS in the acquisition of aggressive phenotype in PCa, we performed ChIP-Sequencing on chromatin-associated eNOS from cells from a primary tumor with poor outcome and from metastatic LNCaP cells. We found that: 1. the eNOS-bound regions (peaks) are widely distributed across the genome encompassing multiple transcription factors binding sites, including Estrogen Response Elements. 2. E2 increased the number of peaks, indicating hormone-dependent eNOS re-localization. 3. Peak distribution was similar with/without E2 with ≈ 55% of them in extragenic DNA regions and an intriguing involvement of the 5′ domain of several miRs deregulated in PCa. Numerous potentially novel eNOS-targeted genes have been identified suggesting that eNOS participates in the regulation of large gene sets. The parallel finding of downregulation of a cluster of miRs, including miR-34a, in PCa cells associated with poor outcome led us to unveil a molecular link between eNOS and SIRT1, an epigenetic regulator of aging and tumorigenicity, negatively regulated by miR-34a and in turn activating eNOS. E2 potentiates miR-34a downregulation thus enhancing SIRT1 expression, depicting a novel eNOS/SIRT1 interplay fine-tuned by E2-activated ER signaling, and suggesting that eNOS may play an important role in aggressive PCa

GENETIC VARIABILITY FOR YIELD AND QUALITY TRAITS IN GINGER (ZINGIBER OFFICINALE ROSCOE)

The genetic variability, heritability, genetic advance and correlation coefficient were estimated for yield and quality traits in twenty five ginger germplasm. Wide genetic variation was observed for all genotypes for yield per plant, plant height and days taken to harvest. Considering genetic parameters, high GCV was found highest for acidity (42.94%) followed by oleoresin content (37.50%), ascorbic acid content (34.78%) and yield per plant (23.81g), respectively. In all cases, phenotypic variances were higher than the genotypic variances. Based on high heritability coefficient (h2 b.s.) coupled with high genetic advance as % of mean, oleoresin content (0.98, 76.36%), ascorbic acid content (0.97, 70.42), acidity % (0.93, 85.45%), TSS per cent (0.90, 43.71) and yield per plant (0.87, 45.69) were found superior traits and representing additive genetic variance. Effective selection would be made considering these traits. Genotypic correlation coefficient revealed that rhizome yield had significant positive correlation with length of primary finger (0.40), ascorbic acid content (0.37), number of primary fingers (0.35), plant height (0.36) and diameter of primary finger (0.31)

Indonesian Throughflow drove Australian climate form humid Pliocene to arid Pleistocene

Late Miocene to mid-Pleistocene sedimentary proxy records reveal that northwest Australia underwent an abrupt transition from dry to humid climate conditions at 5.5 million years (Ma), likely receiving year-round rainfall, but after ~3.3 Ma, climate shifted toward an increasingly seasonal precipitation regime. The progressive constriction of the Indonesian Throughflow likely decreased continental humidity and transferred control of northwest Australian climate from the Pacific to the Indian Ocean, leading to drier conditions punctuated by monsoonal precipitation. The northwest dust pathway and fully established seasonal and orbitally controlled precipitation were in place by ~2.4 Ma, well after the intensification of Northern Hemisphere glaciation. The transition from humid to arid conditions was driven by changes in Pacific and Indian Ocean circulation and regional atmospheric moisture transport, influenced by the emerging Maritime Continent. We conclude that the Maritime Continent is the switchboard modulating teleconnections between tropical and high-latitude climate systems.published_or_final_versio

Application of plant products in the synthesis and functionalisation of biopolymers

The burning of plastic trash contributes significantly to the problem of air pollution. Consequently, a wide variety of toxic gases get released into the atmosphere. It is of the utmost importance to develop biodegradable polymers that retain the same characteristics as those obtained from petroleum. In order to decrease the effect that these issues have on the world around us, we need to focus our attention on specific alternative sources capable of biodegrading in their natural environments. Biodegradable polymers have garnered much attention since they can break down through the processes carried out by living creatures. Biopolymers' applications are growing due to their non-toxic nature, biodegradability, biocompatibility, and environmental friendliness. In this regard, we examined numerous methods used to manufacture biopolymers and the critical components from which they get their functional properties. In recent years, economic and environmental concerns have reached a tipping point, increasing production based on sustainable biomaterials. This paper examines plant-based biopolymers as a good resource with potential applications in both biological and non-biological sectors. Scientists have devised various biopolymer synthesis and functionalization techniques to maximize its utility in various applications. In conclusion, recent developments in the functionalization of biopolymers through various plant products and their applications are discussed

HETEROSIS STUDIES USING DIALLEL ANALYSIS FOR YIELD AND COMPONENT CHARACTERS IN MUNGBEAN (VIGNA RADIATA L. WILCZEK)

Twenty one hybrids of mungbean along with their seven parental lines in diallel fashion excluding reciprocal were studied to assess the extent of standard heterosis over standard check i.e. Samrat for yield and seven component characters. Out of 21 F1 hybrids, two crosses SML382 x WGG37 and PUSA9871 x WGG37 exhibited highly significant positive standard heterosis for number of clusters per plant, number of pods per cluster, number of pods per plant, number of seeds per pod, 100-seed weight and seed yield per plant. The hybrid SML382 X WGG37 was excelled for number of primary branches per plant. The crosses SML382 x WGG37 and PUSA9871 x WGG37 exhibited high standard heterosis for seed yield per plant which could be an excellent source for developing high yielding mungbean genotypes

HETEROSIS STUDIES USING DIALLEL ANALYSIS FOR YIELD AND COMPONENT CHARACTERS IN MUNGBEAN (VIGNA RADIATA L. WILCZEK)

Twenty one hybrids of mungbean along with their seven parental lines in diallel fashion excluding reciprocal were studied to assess the extent of standard heterosis over standard check i.e. Samrat for yield and seven component characters. Out of 21 F1 hybrids, two crosses SML382 x WGG37 and PUSA9871 x WGG37 exhibited highly significant positive standard heterosis for number of clusters per plant, number of pods per cluster, number of pods per plant, number of seeds per pod, 100-seed weight and seed yield per plant. The hybrid SML382 X WGG37 was excelled for number of primary branches per plant. The crosses SML382 x WGG37 and PUSA9871 x WGG37 exhibited high standard heterosis for seed yield per plant which could be an excellent source for developing high yielding mungbean genotypes