搜索结果: 1-15 共查到“工学 induction”相关记录31条 . 查询时间(0.055 秒)
Structured Learning for Taxonomy Induction with Belief Propagation
Structured Learning Taxonomy Induction Belief Propagation
2016/1/22
We present a structured learning approach to inducing hypernym taxonomies using a probabilistic graphical model formulation.Our model incorporates heterogeneous re-lational evidence about both hyperny...
SPATIAL DATA INTEGRATION AND PATTERN ANALYSIS: AN INDUCTION APPROACH
SPATIAL DATA INTEGRATION PATTERN ANALYSIS INDUCTION APPROACH
2015/3/13
SPATIAL DATA INTEGRATION AND PATTERN ANALYSIS: AN INDUCTION APPROACH.
Physical methods of resveratrol induction in grapes and grape products – a review
trans-resveratrol methods of enchrichements UV irradiation ozonisation
2014/2/25
rans-resveratrol ((E)-3,4',5-trihydroxystilbene) is a substance that is produced by a large number of plants as a phytoalexin and has a wide range of beneficial biological properties. Resveratrol has ...
滩涂土壤电磁感应仪与方差四叉树法采样布局研究（Application of Electromagnetic Induction (EM38) and Variance Quad-tree (VQT) Method on Spatial Sampling Scheme in Coastal Saline Region）
电磁感应仪 方差四叉树 滩涂
2010/12/28
将电磁感应仪EM38和方差四叉树法VQT相结合，以EM38测量的土壤表观电导率作为土壤盐分的辅助变量，以表观电导率的空间分布为先验信息，利用VQT法对苏北滩涂围垦地土壤盐分的优化采样布局进行了设计、验证与精度评价。结果表明，VQT法设计的采样方案经Kriging插值形成的空间分布图与原始图件极其相似，但两者的样点数目相差近1/2。相同的样本数目，VQT法获取的空间分布图与原始图件的相似度高于网格采...
Cytochrome P450 Induction and Gene Expression in Channel Catfish (Ictalurus Punctatus) Following Wastewater Treatment Plant Effluent Exposure in Field and Laboratory Settings
EROD CYP1B Molecular Biomarker Channel Catfish Liver Monooxygenases MFO
2013/3/13
The objectives of this study were as follows: 1) to establish a baseline ethoxyresorufin-O-deethylase (EROD) activity level in channel catfish (Ictalurus punctatus), 2) to assess changes in induction ...
Experimental investigation of shaft transducerless speed and position control of ac induction and interior permanent magnet motors
IPM Motor induction motor sensorless vector control speed and position control high frequency signal injection
2010/10/12
In order to drive AC motors with high efficiency and high motion performance, and to provide accurate speed/position control, motor shaft speed and/or position feedback is required. For this purpose, ...
Simultaneous rotor and stator resistance estimation of squirrel cage induction machine with a single extended kalman filter
Extended Kalman filter (EKF) induction machine sensorless control rotor and stator resistance estimation
2010/10/12
Accurate knowledge of rotor and stator resistance variations in a squirrel-cage induction motor (SCIM) is crucial for the performance of sensorless control of SCIM over a wide range of speeds. This st...
Constraint induction and simplicity bias Induction in phonotactic learning
Constraint induction simplicity bias Induction
2014/4/25
Language typology is determined by the relative rates at which phonological patterns are
innovated and extinguished (Bell, 1971; Greenberg, 1978), which in turn depend on interaction
between the lea...
Adaptive hysteresis band control for constant switching frequency in DTC induction machine drives
Constant switching frequency direct torque control induction machinedrive torque ripple
2010/10/12
It is fairly well known that direct torque control (DTC) exhibits fast dynamic torque response, a property that originates in the fact that torque and flux is directly controlled by instantaneous spac...
Magnetic induction of polymer composites filled with ferrite powders
Polymers Magnetic properties Casting
2010/8/16
Composite materials are one of the main types of the engineering materials, next to metals and alloys, ceramics and polymeric materials. They are made at least of two separate types of substances each...
Seeded Induction Period and Secondary Nucleation of Lithium Carbonate
lithium carbonate reactive crystallization secondary nucleation
2009/11/13
Seeded nucleation of lithium carbonate in aqueous solution during reactive crystallization was monitored by FBRM (focused beam reflectance measurement) and PVM (particle video microscope). The impacts...
Unseeded Induction Period and Primary Nucleation of Lithium Carbonate
lithium carbonate primary nucleation reactive crystallization
2009/11/13
A set of laser apparatus was used to study induction period and primary nucleation of lithium carbonate in reactive crystallization. The results show that induction period increases with the decrease ...
Voltage Control of Self-Excited Induction Generator using Genetic Algorithm
Asychronous generators Genetic Algorithm Self-excited induction generator
2009/7/28
Self-excited induction generators (SEIG) are found to be most suitable candidate for wind energy conversion application required at remote windy locations. Such generators are not able to maintain the...
Turkish Journal of Electrical Engineering & Computer Sciences A Variable Gain PI Controller Used for Speed Control of a Direct Torque Neuro Fuzzy Controlled Induction Machine Drive
Induction motor, direct torque control (DTC) direct torque neuro fuzzy control (DTNFC) adaptive NF inference system (ANFIS)
2009/7/28
This paper presents an original variable gain PI (VGPI) controller for speed control of a direct torque neuro fuzzy controlled (DTNFC) induction motor drive. First, a VGPI speed controller is designed...
Performance Analysis of a Fuzzy Logic Based Rotor Resistance Estimator of an Indirect Vector Controlled Induction Motor Drive
Performance Analysis Fuzzy Logic Based Rotor Resistance Estimator Indirect Vector Controlled Induction Motor Drive
2009/7/28
This paper presents a simple method for estimating rotor resistance in an indirect vector-controlled induction motor drive. This is important in vector control, if high-performance torque control is n...