An SRF PLL based sensorless vector control using the predictive deadbeat algorithm

Sensorless Vector Control and Implementatio - Why and How (1)

Sensorless Vector Control and Implementatio - Why and How (1)
... Agenda  Need for vector control  Theory behind vector control  Challenges in implementing sensorless vector control  RX62T MCU family for sensorless vector control  Renesas motor control solutions ... Challenge: Sensorless vector control increases the energy efficiency of motor control systems that drive the smart society However, understanding and implementing sensorless vector control is ... Family -Dual motor vector control -Floating point -RX600 Motor Kit RX63TL 100MHz, 165DMIPs 32KB – 64KB RX220 32MHz,50DMIPs 32KB-256KB RL78/G14 RX200 Family -Single motor vector control -Entry...
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Sensorless Vector Control with RL78G14 (1)

Sensorless Vector Control with RL78G14 (1)
... closing the speed loop  Setup Sensorless Vector Control Demo Tune motor operation © 2012 Renesas Electronics America Inc All rights reserved Sensorless Vector Control Loop Inverse Park transform ... Introduced FOC with sensorless speed and position detection  Challenges to implement SVC on 16-bit MCUs  RL78G14 special features  Implementation with RL78G14  Introduced the RL78G14 kit  ... 24 © 2012 Renesas Electronics America Inc All rights reserved Familiar with sensorless vector control concepts Familiar with IAR Embedded Workbench Enabling the Smart Society  Energy efficiency...
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systems with hysteresis. analysis_ identification and control using the bouc–wen model

systems with hysteresis. analysis_ identification and control using the bouc–wen model
... of the model with some laws of physics OBJECTIVE AND CONTENTS OF THE BOOK Relationship between the model parameters and the hysteresis loop Identification of the model parameters Control of systems ... parameter ¯ values = and n = with the Figure 4.8 Variation of x with the parameter ¯ values = and n = with the 81 83 Figure 4.9 Variation of x with the parameter n with the ¯ values = and = 84 Figure ... control purposes These models are referred to as phenomenological or semi-physical models Systems with Hysteresis: Analysis, Identification and Control using the Bouc–Wen Model F Ikhouane and J Rodellar...
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Tài liệu Báo cáo khoa học: "An Information-Theory-Based Feature Type Analysis for the Modelling of Statistical Parsing" docx

Tài liệu Báo cáo khoa học:
... lexical feature types, part -of- speech feature types and constituent label feature types from the view of information theory z Data The experiment is conducted on the history feature types of the ... reference for the modelling of probabilistic parsing 5.1 The analysis to the predictive information quantities of lexical feature types, part -of- speech feature types and constituent label feature types ... indicates that the feature type grasps some of the important information for the predicted event According to the above idea, we build the information-theory-based feature type analysis model,...
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Báo cáo y học: " ngLOC: an n-gram-based Bayesian method for estimating the subcellular proteomes of eukaryote" pps

Báo cáo y học:
... community, can predict 10 or more subcellular locations, and are freely available for offline analysis For uniformity, we used a random selection of 80% of our dataset for training and 20% for testing ... along the entire length of the protein, is probably discovering many of these NLSs in the nuclear sequences Because the dataset contains many examples of nuclear proteins among many species, many ... the entire proteomes, and in some cases they are outdated or altered Finally, many methods require the use of additional information beyond the primary sequence of the protein, which is often not...
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AN0893 low cost bidirectional brushed DC motor control using the PIC16F684

AN0893   low cost bidirectional brushed DC motor control using the PIC16F684
... demonstrates a low- cost BDC Motor Control system using the ECCP configured in full-bridge PWM mode (see Figure 5) The user interface allows the user to easily configure a BDC motor with the PIC16F684, ... BDC motor by measuring the back EMF voltage from the motor (see Figure 3) The BDC RPM is directly proportional to the back EMF voltage Since a BDC motor can be modeled as an inductive load, the ... CONCLUSION The PIC16F684 is well suited for low- cost bidirectional BDC motor control This application note demonstrates how easy it is to calculate the necessary parameters for using the ECCP in...
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Tài liệu Kalman Filtering and Neural Networks - Chapter 6: LEARNING NONLINEAR DYNAMICAL SYSTEMS USING THE EXPECTATION– MAXIMIZATION ALGORITHM doc

Tài liệu Kalman Filtering and Neural Networks - Chapter 6: LEARNING NONLINEAR DYNAMICAL SYSTEMS USING THE EXPECTATION– MAXIMIZATION ALGORITHM doc
... the observations=inputs and the parameter values The M-step involves system identification using the state estimates from the smoother Therefore, at the heart of the EM learning procedure is the ... to the height at the corners 194 LEARNING NONLINEAR DYNAMICAL SYSTEMS USING EM Figure 6.5 Summary of the main steps of the NLDS-EM algorithm the goal of the MFA initialization is to capture the ... Since then, there has been similar work applying EM to nonlinear dynamical systems [37, 38] Whereas other work uses sampling for the E-step and gradient M-steps, our algorithm uses the RBF networks...
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Báo cáo y học: " Risk assessment of pre-hospital trauma airway management by anaesthesiologists using the predictive Bayesian approach" pptx

Báo cáo y học:
... et al., Risk assessment of pre-hospital trauma airway management by anaesthesiologists using the predictive Bayesian approach Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine ... perceptions of the safety and quality of pre-hospital airway management in their system [19] iii) Audit of data from patients with severe traumatic injury treated by the assessed HEMS systems in the ... investigate the quality of care in pre-hospital airway management by anaesthesiologists in patients with severe trauma and to identify possible areas for improvement Specifically, we assessed the risk of...
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Pseudo vector controlan alternative approach for brushless DC motor drives

Pseudo vector control – an alternative approach for brushless DC motor drives
... improve the performance of the Brushless DC Motor drives The vector- control principle in dq synchronously rotating frame is utilized for the generation of current references only, and the motor currents ... proposed Pseudo- vector Control for BLDCM drives III PRINCIPLE OF PSEUDO- VECTOR CONTROL In the conventional square-wave phase current control (Fig 2), for a given torque command, the reference currents ... emphasis the performance of the controlled system, the speed control loop is omitted in the Figs - and the currents are controlled by hysteresis (bang-bang) techniques A Performance of the conventional...
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báo cáo sinh học:" Community-owned resource persons for malaria vector control: enabling factors and challenges in an operational programme in Dar es Salaam, United Republic of Tanzania" ppt

báo cáo sinh học:
... Comparative evaluation of the Ifakara tent trap-B, the standardized resting boxes and the human landing catch for sampling malaria vectors and other mosquitoes in urban Dar es Salaam, Tanzania Malar J ... enabling factors and challenges in an operational programme in Dar es Salaam, United Republic of Tanzania Human Resources for Health 2011 9:21 Submit your next manuscript to BioMed Central and ... contributions PPC led the design and implemention of the study, data analysis and wrote the manuscript AK and SD supported the design and implementation of the study UF, KK and GFK designed and implemented...
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