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Rozprawy doktorskie na temat „Motor Driver”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

de, Souza Lamas Jose Raphael. "An investigation into a driver-to-driver communication device to manage and improve the interaction between drivers." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/51362/.

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Drivers must communicate with other road users to make their intentions clear, thereby enhancing the quality of the driving experience, improving safety on the roads and avoiding accidents. This interaction can be made either formally using legal signals approved by legislative bodies (e.g. use of indicators), or informally (e.g. hand gestures). However, this informal interaction may not be clearly understood by all drivers, and may lead to stress, strong emotional responses or aggressive driving behaviour. Moreover, a single informal interaction, e.g. flashing the headlights, can have several

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MANDELLI, ELEONORA. "Dual Level Gate Driver: an Energy Saving System for Motor Drive." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/364246.

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L’inverterizzazione dei sistemi a motore sta diventando sempre più diffusa sulle più varie applicazioni grazie al risparmio energetico ed economico che questa ha introdotto. Nonostante gli switch di nuova generazione stiano cominciando a entrare in questo mercato, la maggior parte dei sistemi sfrutta ancora gli IGBT. Per poter ulteriormente ottimizare le prestazioni energetiche dei sistemi inverter, i tempi di transitorio devono essere ridotti e l’energia del singolo evento di switch diminuita. In questo modo sarebbe possibile a parità di frequenza di switch usare meno energia o, a parità di

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Ocklind, Henrik. "Driver Circuit for an Ultrasonic Motor." Thesis, Linköpings universitet, Elektroniksystem, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-101013.

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To make a camera more user friendly or let it operate without an user the camera objective needs to be able to put thecamera lens in focus. This functionality requires a motor of some sort, due to its many benefits the ultrasonic motor is apreferred choice. The motor requires a driving circuit to produce the appropriate signals and this is what this thesis is about.Themain difficulty that needs to be considered is the fact that the ultrasonic motor is highly non-linear.This paper will give a brief walk through of how the ultrasonic motor works,its pros and cons and how to control it. How thedr

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Buzuluk, A. "Fully Integrated Smart BLDC Motor Driver." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/41131.

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There is tendency for using lot of electromechanical drives instead of mechanical to create more automatic and convenient systems. This means increase of number of DC motors in different devices such as cars, air conditions, computers, household appliances, manufacture machines etc. All this motors have to be driven in different operation modes. Such parameters as rotation speed, current angle, torque, noise should be controlled. Fully integrated DC Motor driver is the cheapest and the most smart solution.

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Mottaghi, Yashar, and Gabriel Adel. "Triac Driver Platform." Thesis, Linköpings universitet, Institutionen för systemteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-77806.

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In the electronic industrials, power control of AC motors is commonly used. For example power control of a washing machine motor, a vacuum cleaner motor or a coffee machine motor. The company Rejlers Ingenjörer AB has many projects where power control of AC motors is included. A prototype card for this task can save time and money for the company in the future and this is the reason for this thesis. The motors are power controlled by a TRIAC and control of the trigging pulses to the TRIAC. This card is modularly built and can easily be adapted for future projects where the power control of AC

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Rubie, Elisabeth. "Motor vehicles passing cyclists: The cyclist and driver perspectives." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/213158/1/Elisabeth_Rubie_Thesis.pdf.

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Motor vehicles passing cyclists too closely is both unsafe and feels unsafe. The aim of this research was to increase understanding of the factors that influence passing distances and perceived risk, using the Comfort Zone Model. The Comfort Zone Model predicted the factors influencing the passing distances chosen by drivers which include traffic, road, and cyclist attributes. Passing distances and other factors such as motor vehicle speed, vehicle size and car parking then predict the perceived risk of passes for both cyclists and drivers.

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Douglas, Matthew Aaron. "Commercial Motor Vehicle Driver Safety: An Application of Ethics Theory." Thesis, University of North Texas, 2009. https://digital.library.unt.edu/ark:/67531/metadc11048/.

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Safety is an important aspect of ethical, socially responsible logistics. Current U.S. motor carrier (MC) safety research topical coverage includes the effects of individual and environmental influences, carrier safety management, and regulatory compliance on carrier safety and driver fatigue/safety performance. Interestingly, little research on the subject of truck drivers' safety attitudes and behaviors exists and the underlying decision-making processes that guide drivers' safety-related behaviors have received little attention. Furthermore, researchers have not provided an integrated fr

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Douglas, Matthew Aaron Swartz Stephen M. "Commercial motor vehicle driver safety an application of ethics theory /." [Denton, Tex.] : University of North Texas, 2009. http://digital.library.unt.edu/permalink/meta-dc-11048.

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Mikesell, David Russell. "Portable automated driver for universal road vehicle dynamics testing." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1198722243.

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Stinchcombe, Arne. "Understanding the Challenges of the Older Driver: Attention, Road Complexity and Assessment." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20464.

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Older adults are at an increased risk for motor-vehicle collisions (MVCs) once distance driven is considered, a finding that is partly attributed to a decline in attention related processes associated with age. MVCs typically occur in highly specific areas, suggesting a role of the complexity of the driving environment contributing to the occurrence of MVCs. The goal of this thesis was to explore the attentional demands of simulated driving events of varying complexity among young, mature and older drivers. In the present studies, attentional demand associated with driving was assessed throug

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Hořák, Jan. "Řízení krokových motorů se zpětnou vazbou." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221247.

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The theme of this thesis is the design and optimization of algorithms for controlling stepper motors with feedback by measuring the BEMF. The emphasis was on self-management stepper motor current depending on the load. To verify the algorithm was designed and built sample devices with integrated circuit NCV70514 from ON Semiconductor. The result is a sample device, the control program and algorithm to control a stepper motor.

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Skipper, Julie Hamilton. "An investigation of low-level stimulus-induced measures of driver drowsiness." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/49799.

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Few attempts have been made to use physical and physiological driver characteristics to predict driver drowsiness. As a result, a reliable drowsy driver detection system has yet to be devised. Thus, the primary objectives of this research were to determine whether driving characteristics and response variables could be used to detect eyelid closure associated with edrowsiness, and. to provide ‘potential measures of driver· drowsiness. In. the study, eyelid closure was defined as the measurement standard of drowsiness. Eyelid closure, in studies conducted at Duke University, was a rel

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Kutila, Matti. "Methods for machine vision based driver monitoring applications /." Espoo VTT, 2006. http://www.vtt.fi/inf/pdf/publications/2006/P621.pdf.

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Hizal, Ates Emel. "Design And Realization Of A Step Motor Driver With Micro-stepping Capability." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613166/index.pdf.

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Step motors are motion control mechanisms that convert digital pulses into mechanical shaft rotation. They provide high precision positioning and repeatability of movement without a closed loop control, which is preferable for industrial applications in which accurate positioning control is needed. In this thesis, design and realization of a step motor driver will be performed using micro-stepping, which is based on controlling the current of each winding of the motor continuously and solves noise and resonance problems as well as providing an increase in accuracy and resolution.

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Ferrell, Christopher Lee. "High Driver Turnover among Large Long-Haul Motor Carriers: Causes and Consequences." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc955050/.

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My thesis provides evidence supporting a theory asserting that the high level of competition that exists between motor carriers operating within long-haul trucking is the most significant factor contributing to the continuously high driver turnover rates affecting the entire logistics industry. I explore how long-haul truck drivers internalize the conflict between their identity and the aggressively competitive environment within which they work. Social science authors, industry reports, and truck driver feedback from my own ethnographic study are analyzed for contexts in order to explore the

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Chuang, Yung-Yu, and 莊詠諭. "Design and Verification of a Motor Driver for a Powered Wheelchair Driven by Rim Motors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/78ueqe.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>106<br>The main objective of this study is to develop the controller and driver of the electric wheelchair driven by rim motors. First, this study introduces the driven principle of brushless DC motor and the structure of electric wheelchair, the characteristics of the structure are power wheel moudles composed of driver, controller and motor, when power wheel moudles are installed on the frame of the ordinary wheelchair, and it is turned into electric wheelchair. In this study, designing power wheel controller and BLDC motor driver for the purpose of reducing the v

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Chen, Guo-Wei, and 陳國威. "Digital Driver Control ForPiezoelectric Ceramic Motor." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/uccw5j.

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碩士<br>中原大學<br>機械工程研究所<br>90<br>This thesis presents, a digital circuitry is designed based on the use of CPLD for the driver of a piezoelectric ceramic motor. By using the hierarchical and modular realization strategy, the designed circuits can be re-used to reduce the design complexity and the total gate counts for optimum design. This designed chip will calculate at high speed to boost the sampling frequency and reduce the burden of DSP.At the same time, the high speed switching operation will decrease the problem of high harmonic distortion. Meanwhile , the function of this chip will mainta

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ZHANG, DING-YU, and 張錠玉. "A torque-controlled induction motor driver." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/11671733769688876962.

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Liao, Kuo-Chih, and 廖國志. "Implementation of Brushless DC Motor Driver." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/62004247086290265397.

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碩士<br>龍華科技大學<br>電機工程研究所<br>96<br>A new-design high-performance Brushless DC Motor driving system is proposed in this thesis. Several driving methods which used relationship between Hall-effect sensor signals, back EMF and current command signals are discussed. The objective of design methods is to obtain good performances and meet desired specification. A hardware scheme consists of dsPIC30F4011 microprocessor, power inverter, and the control strategy algorithm is established for experimentation. A computer-aided software MagneForce is used to simulate and analyze the studied BLDCM in order to

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Lu, Ming-ru, and 呂明儒. "Development of Sensorless Servo Motor Driver." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/30600978537184580880.

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碩士<br>國立中正大學<br>機械工程所<br>97<br>The object of the thesis is to establish sensorless servo motor driver. Firist, the structure and characteristics of the permanent magnet synchronous motor are introduced. Then , the sensorless servo motor is established. Finally , A digital singnal processor (DSP) based sensorless system is implementedly experimentally. The Robustness of sensorless system is proved.

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Ketelaars, Stefan. "DC Motor driver for low RPM." Thesis, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-54034.

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For this project the main goal was to design, simulate, build and test a DC motor driver. To accomplish this four specific parts had to be design. First a DCDC converter that converts the input signal from an external power supply in a controllable DC output. The second part was a DCDC converter that converts the DC input in a voltage useful for the function generator, the third part is the function generator that provides a signal to the H-Bridge, and the final part is the H-Bridge itself. The goal is to compare the measurement with the simulations to the expectations. What we are interested

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Hsieh, Han-Chih, and 謝漢志. "Servo Driver Design for Piezoelectric Motor." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/06133305032804791584.

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碩士<br>中原大學<br>機械工程研究所<br>95<br>Based upon the previous circuitry design, the focus of this article is to improve its performance by re-designing the power amplifier and the Snubber circuit for driving more load output requirement (more motors) and reducing the noise effect of the piezoelectricity and solving the interference problem in communication. Also, a servo control module is developed and implemented in the driving circuitry in order to increase the system’s stability and steadiness. The drive circuit is comprised of two parts: one is the servo control module and push-pull DC converter,

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Wu, Nan-Yi, and 吳南億. "DSP_Based Brushless Motor Driver for Electric Vehicle." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/56044951315893823486.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>89<br>This paper presented Symmetric and Asymmetric Regular Sampling techniques apply successfully to a Digital Signal Processor (DSP) together with an inverter. Experimental results are shown that taking advantage of SPWM control techniques can reduce the waste of energy. Further, the Soft Start techniques of DSP scripts can boost security for driver. Moreover motor driver safely can be increased by designing circuit to prevent over voltage. The function of motor driver will be better due to the decreased hardware size and increased accuracy which are the advantag

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Hong, Jian-Yi, and 洪健益. "Linear Ultrasonic Motor Driver with Positioning Control." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/41315166066647885669.

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碩士<br>國立東華大學<br>電機工程學系<br>97<br>The purpose of this thesis is to develop a dsPIC-based fuzzy neural networks driver for a linear ultrasonic motor (LUSM) which can achieve position control. The developed systems can be separated into two parts, one is the driver system, and the other is the positioning control system. As for drivers, a single-stage high-power-factor half bridge resonant inverter and a single-stage high-power-factor class E resonant inverter are developed to drive the LUSM. The single-stage half bridge resonant one is originated from a buck-boost converter integrated with a half

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Wang, Ya-Chen, and 王雅貞. "The Design of the Ultrasonic Motor Driver." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/49274726431201358235.

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碩士<br>中華大學<br>電機工程學系碩士班<br>90<br>The ultrasonic motor (USM) driver is needed accurate resonance frequency and good driving ability to reach optimum resonance effect. We begin with studying the behavior and principle of the USM control circuit block from the existed patterns, made from several parts, which are time cost and difficult for measures and adjustments. So we utilize the micro-controller to control the output frequency from the USM driver. An advantage of the micro-controller is easily programmable, so we can vary the output frequency easily and exactly. And it can help us a lot to mo

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CAI, WEN-BIN, and 蔡文彬. "Controller and driver for brushless servo motor." Thesis, 1987. http://ndltd.ncl.edu.tw/handle/69092586694475299018.

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Cheng, Kuang-Chih, and 鄭光志. "An AC motor driver design using microprocessor." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/82292271716608748055.

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碩士<br>龍華科技大學<br>工程技術研究所<br>97<br>The Induction motor has simple structures, inexpensive price, and high torque, so it is already applied to the industry extensively. Because it is difficult to control the speed change, the AC motor is applied to control constant speed traditionally. Then, for the fast development of integrated circuit, the inverter of based on microprocessor become the mainstream of the AC motor. The inverter can adjust the frequency of the power. However, the ratio of slip and parameter of the induction motor may be changed by load and time-varying, so it is unable to make pe

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Hsu, An-Kir, and 許安克. "PC-Based Linear Motor Driver Control System." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/92491196917725001187.

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碩士<br>崑山科技大學<br>電子工程研究所<br>100<br>This paper will introduce a PC-Based linear motor drive control system, because this control system has an open, scalable and low price, so the use of various industries in recent years more and more widely. This system use a set of industrial computer as the control and configure the input and output on the computer, digital/analog conversion, and movement and visual devices such as adapters to receive the return of the state by an external feedback signal, to operations ,and output signal control of linear motors to guides the machine moves. The control sys

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Wu, Ming-Jheng, and 吳明政. "Induction Motor Driver Design and Vector Control." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/28881638872586406273.

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碩士<br>國立中正大學<br>機械工程學系暨研究所<br>101<br>This thesis describes how I to creat a vector control system for an induction motor. First analyzed the model of the induction motor, and then research the viability of two control theories, scalar control and vector control. It was decided upon to use vector control. I also researched vector control theory of torque control and speed control. Then I identified the system parameters which are required in order to implement vector control. The experiments used were DC, Stall-signal phase, and no load. Finally I introduced the driver, which was designed by my

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Yang, Chien-Min, and 楊健民. "Design of Driver with a Development and Verification Platform for Motor Drive Control." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/58271369358285914116.

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碩士<br>國立雲林科技大學<br>電機工程系碩士班<br>101<br>This thesis implements a low cost motor driver. Using Flyback converter, power MOS and current shunt measurement circuit instead of using expensive components such as DC-DC power module, IGBT module, Hall sensor. Furthermore, DSP F28335, manufactured by Texas Instruments, is used for a core operating processor of motor-driving controlled development platform and verifying the design of the driver in this thesis.

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吳柏鋒. "The Measurements and PWM Controller Driver of an FPGA-Based BLDC Motor Drive." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/91309833019033012893.

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碩士<br>明新科技大學<br>電機工程研究所<br>99<br>This thesis presents the design and implementation of an FPGA-based PWM controller to control the brushless DC motor. The model of the BLDC motor has been constructed using MATLAB/SIMULINK, so that one can evaluate the performance of the BLDC motor control with various control scheme using MATLAB/SIMULINK. The construced model consist of a BLDC motor dynamics block, a Hall-sensor signals generation block, a back-emf block, and a PWM generation logic block. Then the PSIM is used to cosimulation. The results are compared to verify the design and analysis of the P

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LIU, CHUN-TING, and 劉俊廷. "Implementation of A BLDC Motor Driver with Sinusoidal Drive and Sinusoidal Regenerative Braking." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/8takyf.

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碩士<br>明新科技大學<br>電機工程系碩士班<br>107<br>The main purpose of this thesis is to develop a brushless DC motor drive with sinusoidal drive and sinusoidal regenerative braking performances. The drive mode is divided into sinusoidal drive mode and sinusoidal regeneration braking mode by a mode switch. The drive uses three hall sensors to detect rotor position, then a sinusoidal control algorithm is used to the drive mode as well as the regenerative braking mode. The drive can switch over between these two control modes smoothly. As a braking signal is activated, the drive can turn to sinusoidal regenera

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Shih, Pink-Kun, and 施炳坤. "Implementation of a Brushless Permanent Magnet Motor Driver." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/89400703326571444453.

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碩士<br>逢甲大學<br>電機工程所<br>93<br>Abstract In this thesis, a permanent magnet synchronous motor drive system is implemented. Magnetic resistors rather then Hall elements are used for rotor position detection. The control is performed using DSP-TMS320LF2407. The prototype motor has been constructed using a 6-KW, AC220-V, 4800-rpm, 6-pole IPM motor. The test of the permanent magnet synchronous motor drive system are evaluated through experiments.

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Liu, Yu-Lun, and 劉宇倫. "A study on three-phase brushless motor driver." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/9m7rqv.

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碩士<br>國立雲林科技大學<br>電子工程系<br>105<br>In this study, pulse-width modulation is used to simulate the signals of a sine wave in driving a three-phase brushless DC motor with eight poles. Three hall sensors are placed on different locations on the circuit board under the stator, around which the rotor spins. The position of the rotor can be determined with the signals generated by the hall sensors during the spinning of the rotor. In a spinning cycle, the six positions of the rotor decide when phase changes occur and which MOSFETs to turn on and off in the circuit. This study compared the performance

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Wu, Ren-jay, and 吳仁杰. "Implementation of DSP Controller and Induction Motor Driver." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/62604344853590672928.

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碩士<br>正修科技大學<br>機電工程研究所<br>94<br>This paper uses the digital signal prcessing chip (DSP) TMS320F240 to implement the induction motor driving system. The control strategy adopts the direct torque control (DTC) method. In contrast to field oriented control (FOC) method, DTC does not need complex coordinates transformation, voltage and current decoupling calculation. It only requires the stator resistance of motor parameters, such that the effect of motor parameter variation to motor performance could be widely reduced. This method can produce a good smooth flux and torque control result by direc

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Kuo, Ei-Lang, and 郭益郎. "Speed Sensorless Vector Control of Induction Motor Driver." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/58682933314356013189.

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碩士<br>淡江大學<br>機械工程學系<br>88<br>The objective of this thesis is to develop a sensorless speed estimator for induction motor drives. From the state equations of the induction motor, we derive the estimation algorithm of which inputs include stator currents and voltages, and rotor flux. In order to reduce the hardware burden, only currents of two phases are measured by using hardware sensors, while the voltages and rotor flux are determined by using software estimates. For the voltage estimation, we utilize the PWM switching states that are created by a DSPC240 controller. On the other

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徐舶強. "Driver circuits design for sensorless brushless DC motor." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/00275799387807209983.

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碩士<br>國立交通大學<br>機械工程系所<br>96<br>The BLDC motors are play important roles in this industry. It is because that the BLDC motors possess some advantages such as high efficiency, high speed and high torque. In general, the BLDC motors work need hall sensor to detect the rotor position in order to commutate. Nevertheless, use hall sensors not only increase cost but also restricted to surrounding temperature. If the motor commutate without hall sensors, we can cost down. Therefore, many sensorless methods are proposed. The thesis designs a driver for a sensorless BLDC motor. Differ from general

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Lee, Kuo-Ting, and 李國鼎. "Development of 100kW Motor Driver for Electric Vehicles." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/89698078835599272549.

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碩士<br>大葉大學<br>機械與自動化工程學系<br>100<br>The global warming has been getting seriously for years, and this brings people worldwide to pay much attention to the concept of the environmental protection, and seek any possible solutions to reduce the unpredictable problems. However, the key issue of the vehicle industry for the globalization is to find out the solutions such as reducing the pollution, and solving the overuse of energy. Taiwan, in particular, is one of the densest vehicles uses in the world; therefore, developing low-polluted, energy-saved, and recycled electric cars has become the most

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Sathyanarayana, Amardeep. "Multi-modal signal processing in-vehicular systems for driver distraction identification and driver behavior modeling /." 2008. http://proquest.umi.com/pqdweb?did=1654493341&sid=1&Fmt=2&clientId=10361&RQT=309&VName=PQD.

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Shih, Fu-Tsun, and 石富存. "DSP Based Brushless Motor Driver for Flux-Weakening Control." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/01652065119533621510.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>90<br>The design of this thesis intends to present that 120° Communication and Flux-Weakening Control techniques can be successfully applied to a Digital Signal Processor (DSP) together with the hardware structure of an inverter. Experimental results are shown that utilizing IPM Motor as Drive Motor of Electric Vehicle, 120° Communication techniques can reduce ripple torque and maintain the stability of output torque. Furthermore, through Phase advanced control motor, it enables a higher output torque during the mid-lower speed. Using Flux-Weakening Control helps m

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Lee, Kuen-Chen, and 李坤城. "Design of Induction Motor Driver Using Field-Oriented Control." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/36278835110046607447.

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碩士<br>國立交通大學<br>電機與控制工程學系<br>86<br>The principle of the Universal Field Oriented (UFO) control scheme can operate in any arbitrary reference frame. Due to its high degree of generality, the UFO controller is compatible with all the existing field oriented controller: rotor, stator and airgap flux field oriented controller. In this thesis, the stability regions of these three types of controllers are compared. However, correct estimation of the machine parameter is

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Chen, Yu-Chang, and 陳煜璋. "Design and Driver Control Implementation of Switched Reluctance Motor." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/s74539.

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碩士<br>崑山科技大學<br>電機工程研究所<br>97<br>The switched reluctance motor (SRM) has advantages of simple structure, the small volume, low manufacturing cost, cool easily and high efficiency. The direction of motor’s rotation is irrelevant with motor’s current. Compared with other motor driver systems, the SR motor driver structure is simple, the upper and lower arms of power inverter have not led the conduct danger at the same time and stator and rotor component do not all have permanent magnet. It is suitable for the variable speed control system. The paper utilizes the analysis software of the electri

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Chen, Chien-Hung, and 陳建宏. "Design and Implementation of a Brushless DC Motor Driver." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/17462781631795257172.

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碩士<br>明志科技大學<br>機電工程研究所<br>97<br>In this thesis, a brushless dc motor (BLDCM) driver of having regenerative braking function is designed and implemented. A 3-phase Y-connected permanent brushless dc motor is tested and its ratings are 24V, 650W, and 2050RPM. Two 12V lead-acid batteries are used as power source and a 3-phase full-bridge driving circuit drives the motor with 120-degree conduction. For speed control, a low-price 8-bit microcontroller generates the required pulse-width-modulation signals and a programmable logic device conducts the corresponding transistors according to the rot

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Rizal, Yusie, and 李裕賢. "The Implementation of Three Phase Brushless DC Motor Driver." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/24711378473369920930.

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碩士<br>南台科技大學<br>機械工程系<br>97<br>This thesis summarizes the study on Brushless DC Motor (BLDCM) and the work of developing three-phase BLDCM driver with a low cost PIC18F4331 microcontroller. First, the mechanism and operation of BLDCM is presented. Second, the driver for threephase BLDCM is developed. Finally, the approach to measure speed motor based on its hall sensor is introduced. BLDCM operation can be achieved by controlling its commutation sequence from hall sensors output. Furthermore, when the motor is rotating, the speed of motor can be estimated by using one of hall sensor output. Th

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揚明哲. "Design and Development of a Brushless DC Motor Driver." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/89398685320681804196.

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碩士<br>國立中興大學<br>電機工程學系<br>91<br>In general, a brushless DC motor (BLDCM) operates under the conditions that the magnetic position of the rotor should be detected via the Hall effect sensors. However, using hall position sensors to detect the rotor position, the control system of the BLDCM becomes very unreliable, in harsh environments. Therefore, in order to improve the BLDCM’s capabilities, the purpose of thesis focuses on developing BLDCM drivers utilizing the ST72141 microcontroller without the dedicated hall position sensors. Through using the appropriate pulse width modulation (PWM) sign

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Cheng, Ke-Li, and 程科理. "Design and Implementation of A Sensorless Synchronous Motor Driver." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/94865533945951278599.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>101<br>This thesis proposes a method of sensorless and variable speed driver with the Digital Signal Processor (DSP) as the control kernel for the fan driver. The sensorless method is the variable voltage variable frequency control method in which the commutation process can directly be achieved. The information of rotor position can be detected to estimate the speed by the back electromotive force signals. In order to verify efficiency of the system, this thesis builds the experimental system structure, and the advantages and the improvement of efficiency of the s

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SYU, GENG-WEI, and 許耕維. "On the Improvement of Three-Phase Brushless Motor Driver." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/2a3t5z.

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碩士<br>國立雲林科技大學<br>電子工程系<br>107<br>In this study, pulse width modulation is used to simulate the sinusoidal signal, so that a low-end microcontroller can simulate the sine wave to control the motor. With an improved driver circuit, the PMOS problem is fixed, the three-phase brushless DC motor speed is increased, and the heat dissipation performance is improved. In addition, this study also improves both the relative position of the Hall sensors and the control of the sine wave driver so that the circuit can get better input signals.

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Hsu, Pu-sheng, and 許卜昇. "Design and Implementation of DC Motor Drive Systems for Electric Drill and Nail-Driver Applications." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/82214584367988303046.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>100<br>The thesis investigates the design and implementation of the DC motor drive system for electric drill and nail-driver applications. This research has been cooperated with a manufacturing factory. In this thesis, first, the implementation of the driving and control system for the electric drill, which includes hardware and software, is discussed. A novel current control method is proposed to improve the disadvantages of the conventional electric drill system. In addition, a proportional-integral controller is used to obtain the required current control. Next,

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Huang, Yu-Chun, and 黃鈺淳. "Design and Implementation of a Five-Phase Stepper Motor Driver." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/97fbkz.

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碩士<br>國立交通大學<br>電控工程研究所<br>105<br>The technique of industrial automation is maturing. Through the digital control, the stepper motor can get a more stable speed and precision positioning, which is widely applied at industrial automation equipment. The main purpose of this thesis is to design and implement a five-phase stepping motor drive system, which is realized by using the five-phase Space Vector Pulse Width Modulation and the Field Oriented Control. Using the five groups of amplifiers and the analog-to-digital converter to measure the switch signal of the five-phase inverter system and th

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HUANG, BO-KAI, and 黃柏凱. "Design and implementation of micro-stepping motor driver with CANopen." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/r77e29.

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碩士<br>國立雲林科技大學<br>電機工程系<br>105<br>A three-phase ultra-micro stepping motor controller system with CiA402 is developed in the paper. The CANopen device includes CiA301 and CiA402, and users can easily monitor this system on CANopen master. In addition, this system will follow the position control parameters that set by user to control the acceleration / deceleration of stepping motor. In order to avoid the low-speed resonance and unstable current caused by the mechanical structure of the stepping motor, the proposed stepping motor controller adopts the lead angle control to drive stepping motor

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