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Добірка наукової літератури з теми "Positional electric drive"

Автор: Grafiati
Опубліковано: 30 травня 2022
Оновлено: 31 травня 2022

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Статті в журналах з теми "Positional electric drive"

1

Dotsenko, Vladimir, Roman Prokudin, and Alexander Litvinenko. "Optimal Control of the Positional Electric Drive and Its Implementation." Machines 9, no. 4 (March 24, 2021): 70. http://dx.doi.org/10.3390/machines9040070.

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Анотація:
The article deals with the optimal control of the positional electric drive of the stator element of a segment-type wind turbine. The calculation options charts current in the assumption of the minimum energy consumption and the implementation of line chart current using the phenomenon of capacitor discharge. The analysis of the implementation is expressed in a jump-like change in current and a triangular graph of the speed change. This article deals with small capacity synchronous wind turbine generators with a segment type stator. These units have the possibility of intentionally changing the air gap between the rotor and stator. This allows: (1) Reduce the starting torque on the rotor shaft, which will allow the rotor to pick up at low wind speeds. (2) Equivalent to change of air gap in this case is change of excitation of synchronous generators. Thus, the purpose of the article is to consider a method of excitation of generators in a segmented design, by controlling the gap with the electric drive, while providing control should be carried out with minimal losses.
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2

Slobodzyan, N. S. "Positional control of a parallel kinematics mechatronic manipulator linear drive." Issues of radio electronics 49, no. 9 (October 28, 2020): 6–13. http://dx.doi.org/10.21778/2218-5453-2020-9-6-13.

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Анотація:
The research is part of the current work on the design and research of precision actuators with parallel kinematics, designed to guide and orient of various objects. To protect the sensitive load and the supporting platform from undesirable disturbances above the permissible ones, as well as to limit the time of transient processes and the consumed power, a method for planning the trajectory of the linear actuator stem when operating in positional mode is proposed. The article describes an algorithm for calculating the parameters of the trajectory of an object under specified restrictions on speed, acceleration and acceleration derivative, and also proposes an algorithm for implementing control along a planned trajectory for a modern microprocessor system, which implements the dependence of speed on movement. The advantage of the proposed control method is the elimination of the cumulative effect of the static displacement error while observing dynamic constraints, as well as the possibility of using algorithms in both closed-loop and open-loop drives based on various types of electric motors. The article presents the results of computer simulation of an open-loop drive operating according to the proposed algorithm, the advantages and disadvantages of this approach are noted.
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3

Denisov, V. A., and R. R. Madyshev. "Simulation and Investigation of the Positional System of an Electric Drive with Nonlinear Correction." Russian Electrical Engineering 89, no. 3 (March 2018): 210–14. http://dx.doi.org/10.3103/s1068371218030069.

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4

Buharov, K., N. Grishin, M. Kudrov, L. Rybak, and V. Cherkasov. "KINEMATICS ANALYSIS OF A 6-DOF ROBOTIC MOBILITY PLATFORM FOR TEST BENCHES AND SIMULATORS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 7, no. 5 (May 11, 2022): 81–90. http://dx.doi.org/10.34031/2071-7318-2022-7-5-81-90.

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Анотація:
The article discusses the main aspects of the application of mathematical modeling methods to analyze the properties of 6-DOF robotic mobility platforms (RMP), which can be used as complete test benches and simulators for testing various equipment, road construction equipment, vehicles, aviation, rocket and space. The application of simulators made it possible to create a virtual environment for user interaction with a special type of equipment that responds to commands like a real one. In addition, the article considers a numerical method for solving the inverse kinematics problem of the RMP, which consists in determining the dependence of the change in the lengths of six drive rods (rectilinear drives) on six coordinates (three translational and three rotational) characterizing the position of the mobile platform in space. The mathematical modeling of the RMP kinematics has been carried out. Data on the required linear and angular position of the mobile platform of the RMP, as well as the position of the rods and the speed of the rods of the drive mechanisms based on electric cylinders are selected as initial data for calculating the RMP control system. As a result of the simulation, a corresponding sample is obtained. The corresponding maximum and minimum values of the samples are obtained. These values correspond to the requirements for the minimum and maximum stroke of the rod of electric drives that drive the RMP. The results of mathematical modeling for a set of positional parameters of the RMP are presented. Numerical simulation of the optimization task is performed for the selected configuration of geometric parameters of the mobile platform of the RMP.
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5

Kholodilin, I. Yu, A. V. Korzhov, M. A. Grigorev, M. M. Dudkin, Yu I. Khokhlov, and V. A. Kushnarev. "SELECTING POWER ELEMENTS FOR THE ELECTRIC DRIVE OF KHPT-450 PIPES COLD-ROLLING MILL AT PJSC CHTPZ." Bulletin of the South Ural State University series "Power Engineering" 21, no. 4 (2021): 102–9. http://dx.doi.org/10.14529/power210412.

Повний текст джерела
Анотація:
Standard equipment replacement will not provide for the required accuracy and speed of metallurgical positional drive systems as the requirements are exceeding. The modernization of the electric drive system must be carried out in a complex manner, with sequential partial optimization of the power elements. The paper describes the criteria and methods for selecting power elements. Each process stage was optimized according to the minimum design time criterion. The elements were selected on the basis of empirically obtained data on the technological unit, namely, the KhPT-450 mill at ChTPZ PJSC. It was revealed that changing the gear ratio of the gearbox allows improving the quality of the subordinate regulation system setting, considering the flexibility of the mechanical part of the system. An increase in the ratio of the length of the active part of the rotor to its diameter makes it possible to increase the speed of the system, and, consequently, its ac-curacy. The equipment selection outcomes were tested on a prototype at the Scientific and Technical Center “Privodnaya Tekhnika”. As a result, it was possible to reduce the duration of the technological process nearly by half.
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6

PROKHORENKO, Andriy, Dmytro SAMOILENKO, Piotr ORLINSKI, Dmytro TALANIN, and Serhii KRAVCHENKO. "The application of isodromic equation for calculation of PID-controller integrated component." Combustion Engines 177, no. 2 (May 1, 2019): 91–94. http://dx.doi.org/10.19206/ce-2019-216.

Повний текст джерела
Анотація:
A functional feature of the application of electronics used for the automatic control of internal combustion engines is necessity in the proportional conversion of ECU electrical signals into the mechanical processes based on corresponding elements motion. For such conversion of information actuating mechanisms are used, referred as actuators. Actuators in the form of electrical machines (stepper or precision electric motors) or electric apparatuses (electromagnets and solenoids) are the mostly widespread in ICE. As a physical object of the research, the unit of Heinzmann, model StG 6-02V that is based on a DC electric drive controlled by a pulse-width modulation signal, was selected in the current work. It has a toothed gearbox and a non-contact reverse positional connection. This actuator pro-vides an output torque of 6 Nm and 36-degree range of output shaft rotational angle. The functional scheme of the electronic system of automatic control of a diesel engine based on mentioned device is developed. The PID regulator with feedback is used to control the actuator. A design formula that can be incorporated in the controller algorithm to calculate the integral component of the PID regulator was also obtained. Values of empirical coefficients were determined in this formula. The results of experimental confirmation of the correctness of the approach taken are presented. Thus, the new formula for determining the integral component of the PID regulator differs positively from the well-known solutions because the new approach is free from storing the whole array of previous data with discrepancy in the controller’s RAM, that simplifies the application of the developed algorithm greatly and speeds up the computational capability of the controller.
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7

Ford, Peter J., Ebrahim Amiri, and Ernest Mendrela. "Electric elevator drive with position control." Electrical Engineering 98, no. 3 (May 5, 2016): 307–19. http://dx.doi.org/10.1007/s00202-016-0368-3.

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8

Lima, Cláudio de Andrade, James Cale, and Kamran Eftekhari Shahroudi. "Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems." Energies 14, no. 22 (November 9, 2021): 7485. http://dx.doi.org/10.3390/en14227485.

Повний текст джерела
Анотація:
The aerospace industry is increasingly transitioning from hydraulic and pneumatic drives to power-electronic based drive systems for reduced weight and maintenance. Electromechanical thrust reverse actuation systems (EM-TRAS) are currently being considered as a replacement for mechanical based TRAS for future aircraft. An EM-TRAS consists of one or more power-electronic drives, electrical motors, and gear-trains that extend/retract mechanical members to produce a drag force that decelerates the aircraft upon landing. The use of a single (“central”) power electronic converter to simultaneously control a set of parallel induction machines is a potentially inexpensive and robust method for implementing EM-TRAS. However, because the electrical motors may experience different shaft torques—arising from differences in wind forces and a flexible nacelle—a method to implement rotor position synchronization in central-converter multi-motor (CCMM) architectures is needed. This paper introduces a novel method for achieving position synchronization within CCMM architecture by using closed-loop feedback of variable stator resistances in parallel induction machines. The feasibility of the method is demonstrated in several case studies using electromagnetic transient simulation on a set of parallel induction machines experiencing different load torque conditions, with the central converter implementing both voltage-based and current-based primary control strategies. The key result of the paper is that the CCMM architecture with proposed feedback control strategy is shown in these case studies to dynamically drive the position synchronization error to zero. The initial findings indicate that the CCMM architecture with induction motors may be a viable option for implementing EM-TRAS in future aircraft.
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9

Kumar, Ganisetti Vijay, Min-Ze Lu, and Chang-Ming Liaw. "A Highly-efficiency Position Sensorless Electric Vehicle Synchronous Reluctance Motor Drive." Journal of Energy and Power Technology 03, no. 03 (May 2, 2021): 1. http://dx.doi.org/10.21926/jept.2103037.

Повний текст джерела
Анотація:
The development of high-efficiency motor drives for various applications is important in the industry 4.0 era, especially for their extensive application to electric vehicles (EVs). In this study, a position sensorless EV synchronous reluctance motor (SynRM) drive has been developed, which exhibits good driving performance and efficiency over a wide speed and load range. To solve the key problems popularly encountered in the existing approaches, the high-frequency injection (HFI) scheme based on q-axis injection has been proposed. In addition, the changed-frequency injection has been adopted considering the effects of speed/load dependent slotting ripple current. Robust observed speed and position controllers have been added to enhance the sensorless control performance. For the SynRM basic driving control scheme, robust current control and adaptive commutation with minimized motor losses have been achieved that yield satisfactory driving performance up to the rated speed and load. Good EV driving performance has been demonstrated experimentally, including starting, dynamic, acceleration/deceleration, and reversible operations. In addition, the steady-state characteristics have been assessed, and the high efficiencies have been observed to be comparable to the standard drive.
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10

Habermehl, Christian, Georg Jacobs, Stephan Neumann, and Kevin Weißenfels. "Influence of Drivetrain Hybridization on Transmission Lifetime." Applied Sciences 10, no. 20 (October 12, 2020): 7086. http://dx.doi.org/10.3390/app10207086.

Повний текст джерела
Анотація:
Parallel hybrid drivetrains for passenger cars have additional electric drives compared to conventional drivetrains. In the event of vehicle deceleration, the electric drives are operated as generators, thus recovering kinetic energy through regeneration. If these drives are positioned upstream of the transmission input, regeneration power must be transferred by the transmission. This creates additional loads on the individual machine elements, which has a negative effect on the transmission lifetime. This paper investigates the influence of hybridization in terms of regeneration on the lifetime of bearings as highly critical elements in a dual clutch transmission. The vehicle simulation model employed in this study consists of an internal combustion engine, an electric motor, a mechanical drivetrain and the vehicle body, as well as a driver and a simple operating strategy. In this model, a detailed transmission model including its controls is embedded to determine its component loads. The resulting load spectra are used in a methodical approach to calculate the bearing lifetime of the transmission. The results show that the additional regenerative power flow reduces the bearing lifetime so that additional loads must be taken into account in the development and operation of transmission systems.
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Більше джерел

Дисертації з теми "Positional electric drive"

1

Smuts, Johan L. (Johan Leodolf). "Critical evaluation of a position sensorless control technique for the reluctance synchronous machine drive." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/70135.

Повний текст джерела
Анотація:
Thesis (MScEng)--University of Stellenbosch, 2001.
ENGLISH ABSTRACT: The aim of this study is to critically evaluate the voltage injection position sensorless control technique as applied to the reluctance synchronous machine (RSM) drive and to implement the technique on a 5.5 kW RSM and a 110 kW RSM. The technique is evaluated by using an accurate mathematical model of the RSM in a simulation package, called Simuwin. The negative effects that cross-magnetisation and the slotted air-gap have on the technique are intensively investigated. It was showed that these effects can cause an error in the position estimation of up to 30°. The TMS320F240 DSP was used as the controller for the RSM drives to implement the position sensorless control technique. Measurements on both RSM drives confirm the simulated results.
AFRIKAANSE OPSOMMING: Die doel van hierdie tesis is om die spannings-injeksie posisie sensorlose beheer tegniek soos toegepas op die reluktansie sinchroon masjien (RSM) aandryfstelsel, krities te evalueer en te implementeer op 'n 5.5 kW RSM en op 'n 110 kW RSM. Die tegniek is geevalueer deur 'n akkurate wiskundige model van die RSM saam te stel en die model te gebruik in 'n simulasie pakket, genaamd Simuwin. Daar is veral klem gele op die negatiewe invloed wat kruis-magnetisering en 'n gegleufde lug-spleet op die tegniek het. Dit is bewys dat hierdie eienskappe van die RSM 'n fout in die posisie afskatting van tot 30° kan veroorsaak. Die TMS320F240 DSP is gebruik as beheerder vir die RSM aandryfstelsels om sodoende posisie sensorlose beheer op altwee masjiene toe te pas. Metings op albei stelsels bevestig die simulasies.
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2

Дудник, Алексей Валентинович. "Оптимальные системы управления переходными процессами энергосберегающих объектов с переменными параметрами". Thesis, НТУ "ХПИ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22099.

Повний текст джерела
Анотація:
Диссертация на соискание ученой степени кандидата технических наук по специальности 05.13. 03 – системы и процессы управления. – Национальный технический университет "Харьковский политехнический институт", Харьков, 2016. Диссертация посвящена решению научно-практической задачи усовершенствования оптимальной по затратам энергии системы управления. В диссертационной работе рассмотрен метод оптимального управления в линейной системе при квадратичном критерии качества с учётом ограничений на управляемые координаты, применительно к разомкнутой системе. Показано, что существует шесть вариантов алгоритмов оптимального управления, в зависимости от сочетания ограничений, накладываемых на управляемые координаты. В зависимости от длительности процесса оптимального управления, алгоритмы располагаются в определённом порядке, относительно друг друга, образуя тем самым область решения задачи, ограниченную временем максимального быстродействия с одной стороны и временем минимальных затрат с другой. Математические зависимости для определения этих ограничений, а также границ соседних алгоритмов внутри этой области выведены в диссертации. В работе предложена функциональная схема двухуровневой системы оптимального управления. На верхнем уровне осуществляется выбор алгоритма оптимального управления и расчёт длительностей его интервалов. Основанием для вычислений служат внешние управляющие данные. При расчёте используются параметры объекта, идентифицированные на нижнем уровне. Контроллер нижнего уровня осуществляет выработку управляющих воздействий на объект, форма и длительность которых определена ЭВМ верхнего уровня. На контроллере нижнего уровня реализована система подчинённого регулирования, с целью удержания объекта на выбранной траектории оптимального движения в фазовом пространстве. Дополнительно, локальный контроллер реализовывает функции нейронного идентификатора параметров.
The thesis for scientific degree of candidate of technical sciences in the specialty 05.13.03 – control systems and processes. – National Technical University "Kharkov Polytechnic Institute", Kharkov, 2016. The thesis is devoted to solving scientific and practical problems of improvement of cost effective energy control system. In the thesis has given the method of optimal control in a linear open-loop system with quadratic criteria of quality. It is shown that there are six variants of the algorithms of optimal control, depending on the combination of constraints on the controlled axes. Depending on the duration, optimal control algorithms are arranged in a specific order, relative to each other, thereby forming a region of the problem solution by the time of maximum speed with one hand and minimal time costs with other. Mathematical dependences for definition of these limits and the borders of neighbour algorithms within this field are derived in the thesis. In the thesis is proposed a method for the identification of the drive parameters. This method based on recurrent neural network Elman. The mathematical relationship between the weight coefficients of the network layers and parameters of the engine allows using the network learning as a way of identification. The paper presents a functional diagram of a two-tier system of optimal control. On the upper level, there is a choice of algorithm of optimal control and calculation of intervals durations. The lower level controller performs the generation of control actions on the object, the shape and duration of which is determined the upper-level computer.
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3

Дудник, Олексій Валентинович. "Оптимальні системи керування перехідними процесами енергозаощаджуючих об'єктів зі змінними параметрами". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22091.

Повний текст джерела
Анотація:
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.13. 03 – системи та процеси керування. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2016. Дисертація присвячена вирішенню науково-практичної задачі вдосконалення оптимальною за витратами енергії системи керування. У дисертаційній роботі розглянуто метод оптимального керування в лінійній системі при квадратичному критерії якості з урахуванням обмежень на керовані координати, стосовно до розімкнутої системи. Показано, що існує шість варіантів алгоритмів оптимального керування, в залежності від поєднання обмежень, що накладаються на керовані координати. В залежності від тривалості процесу оптимального керування, алгоритми розташовуються у певному порядку, відносно один одного, утворюючи область рішення, обмежену часом максимальної швидкодії з одного боку і часом мінімальних витрат з іншого. Математичні залежності для визначення цих обмежень, а також кордонів сусідніх алгоритмів всередині цієї області виведені в дисертації. В дисертації запропоновано метод ідентифікації параметрів позиційного приводу, заснований на рекурентної нейронної мережі Елмана. Математичний зв'язок між ваговими коефіцієнтами рекурентного і зовнішнього шарів мережі з параметрами двигуна дозволяє застосувати здатність мережі до навчання як спосіб ідентифікації. В роботі запропонована функціональна схема дворівневої системи оптимального керування. На верхньому рівні здійснюється вибір алгоритму оптимального керування і розрахунок тривалості його інтервалів. Контролер нижнього рівня здійснює вироблення керуючих впливів на об'єкт, форма і тривалість яких визначена ЕОМ верхнього рівня.
The thesis for scientific degree of candidate of technical sciences in the specialty 05.13.03 – control systems and processes. – National Technical University "Kharkov Polytechnic Institute", Kharkov, 2016. The thesis is devoted to solving scientific and practical problems of improvement of cost effective energy control system. In the thesis has given the method of optimal control in a linear open-loop system with quadratic criteria of quality. It is shown that there are six variants of the algorithms of optimal control, depending on the combination of constraints on the controlled axes. Depending on the duration, optimal control algorithms are arranged in a specific order, relative to each other, thereby forming a region of the problem solution by the time of maximum speed with one hand and minimal time costs with other. Mathematical dependences for definition of these limits and the borders of neighbour algorithms within this field are derived in the thesis. In the thesis is proposed a method for the identification of the drive parameters. This method based on recurrent neural network Elman. The mathematical relationship between the weight coefficients of the network layers and parameters of the engine allows using the network learning as a way of identification. The paper presents a functional diagram of a two-tier system of optimal control. On the upper level, there is a choice of algorithm of optimal control and calculation of intervals durations. The lower level controller performs the generation of control actions on the object, the shape and duration of which is determined the upper-level computer.
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4

Villet, Wikus Theo. "Critical evaluation and application of position sensorless control techniques for reluctance synchronous machines." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86527.

Повний текст джерела
Анотація:
Thesis (PhD)--Stellenbosch University, 2014.
ENGLISH ABSTRACT: The position sensorless controllability of the reluctance synchronous machine (RSM) is investigated in this thesis with the focus on industry applications where variable and dynamic torque is required from startup up to rated speed. Two low speed as well as one medium to high speed position sensorless control (PSC) method for RSMs are investigated. These methods are extended to operate in the entire rated speed region with a hybrid PSC structure that makes use of phase locked-loop synchronisation and a hysteresis changeover method. It is shown in this thesis that PSC of the lateral rib rotor RSM is not possible from zero up to ± 0.2 p.u current. It is shown through finite element (FE) simulations that PSC of the ideal rotor RSM however, is possible at zero reference current. A novel construction method is used to build two ideal rotor RSMs. Measured flux linkage curve results of the ideal rotor RSMs correlate well with simulation results and it is shown that the electrical angle of the machine can be tracked successfully at zero reference current. The FE simulation package is used to compare the saliency of the RSM on a per-unit scale to three types of field intensified permanent magnet (FI-PM) synchronous machines and a field weakening interior permanent magnet synchronous machine. It is shown that the saliency of the RSM is larger than that of the investigated PM machines from zero up to rated load. It is thus concluded that the RSM is well suited to saliency-based PSC (SB-PSC) methods, which are used to control synchronous machines at startup and low speeds. The hybrid PSC methods developed in this thesis, are tested and evaluated on three proposed industry applications. The first is a reluctance synchronous wind generator with an inverter output LC filter. The LC filter allows long cables to be used and reduces the voltage stress on the stator windings of the machine. The combination of the LC filter and hybrid PSC method allows the power electronics and controller to be stationed in the base of the turbine tower. A new stator quantity estimation method is derived to omit the need of current and voltage sensors on the machine side of the LC filter. Good maximum power point tracking laboratory results are shown with the high frequency injection-assisted hybrid PSC method. The second application investigated is a position sensorless controlled variable gear electric vehicle (EV) RSM drive. Simulation and measured results show good torque capabilities of the position sensorless controlled EV RSM. It is shown through simulation results that the fundamental current harmonic is dominant in the demodulation scheme of the high frequency injection position sensorless control (HFIPSC) method due to the high current rating of the proposed RSM. The HFI-PSC method is extended to reduce the effect of the fundamental current harmonic in the demodulation scheme without adding any additional filters. The final investigated application is a novel mine scraper winch, which uses two position sensorless controlled RSMs to retrieve ore from the blast site underground. The new design improves on the safety, efficiency and durability of the current scraper winch design. Measured results show that the position sensorless controlled winch RSM is able to deliver rated startup torque with both investigated SB-PSC methods. Finally an automation method is implemented and tested to limited the applied force on the scraper and automatically free itself when stuck.
AFRIKAANSE OPSOMMING: Die posisie sensorlose beheer eienskappe van die reluktansie sinchroonmasjien (RSM) word in hierdie tesis ondersoek met die fokus op industriële toepassings waar varierende dinamiese draaimoment vereis word vanaf stilstand tot by ken spoed. Twee lae spoed- en een ho¨e spoed posisie sensorlose beheer (PSB) metodes vir RSMe is ondersoek. Hierdie metodes is uitgebrei om twee hibriede PSB metodes to skep wat die RSM van stilstand tot by kenspoed posisie sensorloos kan beheer. Die ontwikkelde hibriede metodes maak gebruik van ’n histerese oorskakelings skema en fase geslote lus sinchronisasie Daar word in hierdie tesis bevestig dat die laterale rib RSM nie beheer kan word met die geondersoekte PSB metodes by nul stroom nie. Eindige element simulasie resultate wys egter daarop dat die ideale rotor RSM wel beheer kan word met die geondersoekte metodes by nul stroom. ’n Nuwe konstruksie metode is voorgestel om twee ideale rotor RSMe to bou. Gemete vloed omsluiting kurwes resultate korreleer baie goed met dié van die eindige element simulasies. Gemete resultate wys ook daarop dat PSB van die nuwe masjiene moontlik is by nul stroom. ’n Eindige element pakket is gebruik om die speek-koëffissiënt van die RSM te vergelyk met drie tipes veld-versterkte permanent magneet masjiene, asook een veld verswakte permanent magneet versinkte masjien. Die simulasie resultate wys dat die RSM se speek-koëffissiënt hoër is as die van die geondersoekte permanent magneet masjiene. Die RSM is dus geskik vir speek-koëffissiënt georienteerde PSB metodes, wat hoofsaaklik by stilstand en lae spoed gebruik word. Die ontwikkelde hibried PSB metodes is getoets en geëvalueer met drie voorgestelde industriële toepassings. Die eerste is ’n reluktansie sinchroon wind generator met ’n omsetter uittree laagdeurlaat filter. Die laagdeurlaat filter laat toe dat langer kabels vanaf die omsetter na die generator gebruik kan word. Die kombinasie van die laagdeurlaat filter en die PSB metodes laat toe dat die drywingselektronika en die beheerders in die toring basis geplaas kan word. Dit kan die gewig van die nasel verminder. Goeie maksimum drywingspunt volging laboratorium resultate word getoon met die hoë frekwensie ondersteunde hibried PSB metode. Die tweede geondersoekte toepassing is ’n posisie sensorlose beheerde, varierende ratkas elektriese voertuig RSM. Goeie simulasie en gemete draaimoment resultate van die RSM word getoon. Simulasie resultate toon dat die fundamentele q-as stroom harmoniek dominant is in die demodulasie skema van die hoë frekwensie PSB metode, as gevolg van die hoë ken stroom van die motor. Die hoë frekwensie PSB metode is uitgebrei om die fundamentele stroom harmoniek te onderdruk in die demodulasie skema sonder om enige filters by te voeg. Die finale toepassing is ’n nuwe myn windas wat van twee posisie sensorlose beheerde RSMe gebruik maak om klippe ondergronds te verplaas vanaf die ontploffings area. Die voorgestelde ontwerp verbeter die huidige ontwerp ten opsigte van die veiligheid, energie effektiwiteit en robuustheid. Gemete resultate wys dat ken draaimoment moontlik is met altwee speek-koëffissiënt metodes. ’n Automasie metode, wat die maksimum draaimoment op die windas beperk en automaties homself bevry indien hy vasval, is voorgestel en geëvalueer.
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5

Zhao, Shuang. "Analysis and Control Aspects of a PMSynRel Drive in a Hybrid Electric Vehicle Application." Doctoral thesis, KTH, Elektrisk energiomvandling, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-139592.

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Анотація:
This thesis deals withmodeling and control of an electric drive equipped with a permanentmagnet assisted synchronous reluctance (PMSynRel) machine for a plug-in hybrid electric vehicle application. In the first part of the thesis, a special use of the PMSynRel machine in consideration, known as an integrated charger concept, is investigated. The integrated charger feature allows using the PMSynRel machine as a part of the vehicle’s on-board charging system when charging the battery from the grid. A finite-element based analysis is performed providing important insights into the machine operation during the charging process. Dynamic models are developed that facilitate the controller development and the estimation of the efficiency during charging. In the second part of the thesis, position sensorless control of the PMSynRel drive when applied in an automotive application is considered and analyzed thoroughly. First, a fundamental-excitation based rotor-position estimation technique is investigated. The study shows that the impact of current dynamics on the resulting torque dynamics has to be considered in some very demanding applications. Second, focus is put on signalinjection based sensorless control methods. Impacts of nonlinearities, such as magnetic saturation, cross-saturation and inductance spatial harmonics, on sensorless control performance are investigated and methods to improve the sensorless control quality are summarized and presented. An approach to determine the feasible region for operating sensorless at low-speeds without directly measuring the differential inductances is proposed. For the PMSynRel drive in consideration, the achievable maximum torque is limited when operating sensorless following the maximum-torque-per-ampere (MTPA) current reference trajectory at low-speeds. An optimization approach is therefore proposed which extends the output torque when operating sensorless while still maintaining a relatively high efficiency. To initialize the sensorless control correctly from standstill, the impact of the saturated magnetic bridges in the rotor is also investigated. Finally, torsional drive-train oscillations and active damping schemes are considered. An off-vehicle setup for implementing and evaluating different active damping schemes is proposed. Of particular interest for sensorless operation in automotive applications, the impact of slow speed estimation on the possibility to achieve good active damping control is investigated and a design approach that allows the implementation of an active damping scheme using estimated speed is suggested.

QC 20140114

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6

Panda, Sanjib Kumar. "Indirect rotor position sensing for switched reluctance motor drives." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387052.

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7

Ertugrul, Nesimi. "Position estimation and performance prediction for permanent-magnet motor drives." Thesis, Online version, 1993. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.357041.

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8

Swize, Gregory Emil 1974. "Implementation of a sinusoidal current drive for a brushless three phase motor using a common sense resistor for rotor position feedback." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/49660.

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9

Soják, Vojtěch. "Konstrukce dvouosého manipulátoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231978.

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Анотація:
This master thesis deals with the design of a two-axis manipulator according to entered parameters. In the first chapter provides description of kinematics structures of industrial robots and manipulators and their workspaces. Next parts focus on search in the used components, producers of manipulators and of current design manipulators at JCEE s.r.o. Lanškroun. The practical part deals with the design and construction of custom manipulator and its price calculation.
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Gargano, Ivan Enzo. "Model-Based validation of Driver Drowsiness Detection System for ADAS." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25716/.

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The work described in this Master’s Degree thesis was born after the collaboration with the company Maserati S.p.a, an Italian luxury car maker with its headquarters located in Modena, in the heart of the Italian Motor Valley, where I worked as a stagiaire in the Virtual Engineering team between September 2021 and February 2022. This work proposes the validation using real-world ECUs of a Driver Drowsiness Detection (DDD) system prototype based on different detection methods with the goal to overcome input signal losses and system failures. Detection methods of different categories have been chosen from literature and merged with the goal of utilizing the benefits of each of them, overcoming their limitations and limiting as much as possible their degree of intrusiveness to prevent any kind of driving distraction: an image processing-based technique for human physical signals detection as well as methods based on driver-vehicle interaction are used. A Driver-In-the-Loop simulator is used to gather real data on which a Machine Learning-based algorithm will be trained and validated. These data come from the tests that the company conducts in its daily activities so confidential information about the simulator and the drivers will be omitted. Although the impact of the proposed system is not remarkable and there is still work to do in all its elements, the results indicate the main advantages of the system in terms of robustness against subsystem failures and signal losses.
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Книги з теми "Positional electric drive"

1

Niemelä, Markku. Position sensorless electrically excited synchronous motor drive for industrial use based on direct flux linkage and torque control. Lappeenranta, Finland: Lappeenranta University of Technology, 1999.

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2

Kaushik, Rajashekara, Kawamura Atsuo, and Matsuse Kouki, eds. Sensorless control of AC motor drives: Speed and position sensorless operation. New York: Institute of Electrical and Electronics Engineers, 1996.

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3

(Editor), Kaushik Rajashekara, Atsuo Kawamura (Editor), and Kouki Matsuse (Editor), eds. Sensorless Control of Ac Motor Drives: Speed and Position Sensorless Operation. Ieee, 1996.

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4

Dritev – Drivetrain for Vehicles 2020. VDI Verlag, 2020. http://dx.doi.org/10.51202/9783181023730.

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20th International VDI Congress „Dritev“ – The most important powertrain development trends now digital & Corona-safe! Even in the corona crisis, the world of powertrain development does not stand still. Mobility and how it is driven remains the central focus of the automotive industry. The aim is to find good solutions in the area of conflict between rising CO2 fleet consumption, an exploding number of drive variants and regulatory intervention by the state. Many questions are still open here. The companies are therefore pursuing multi-track drive strategies that follow a comprehensive electrification of the drive system in all vehicle classes in order to be well positioned for the future. Es laufen zwei Veranstaltungen in einer, denn parallel zur Dritec wird auch die EDrive stattfinden. Content (Dritev) Hier einige inhaltliche Stichworte zur Dritev (Auszüge): New series solution Ford MACH-E Primary Electric Drive Unit ….1 The front-axle drive of th...
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Anderson, Iain A., and Benjamin M. O’Brien. Muscles. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199674923.003.0020.

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Mechanical devices that include home appliances, automobiles, and airplanes are typically driven by electric motors or combustion engines through gearboxes and other linkages. Airplane wings, for example, have hinged control surfaces such as ailerons. Now imagine a wing that has no hinged control surfaces or linkages but that instead bends or warps to assume an appropriate shape, like the wing of a bird. Such a device could be enabled using an electro-active polymer technology based on electronic artificial muscles. Artificial muscles act directly on a structure, like our leg muscles that are attached by tendon to our bones and that through phased contraction enable us to walk. Sensory feedback from our muscles enables proprioceptive control. So, for artificial muscles to be used appropriately we need to pay attention not only to mechanisms for muscle actuation but also to how we can incorporate self-sensing feedback for the control of position.
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Vaez-Zadeh, Sadegh. Introduction. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198742968.003.0001.

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An overview of permanent magnet synchronous (PMS) motors and the related control system are presented in this chapter as introductory materials for the rest of the book. The interconnections of the control system to the power electronic inverter and the motor are emphasized. In addition, the major parts of the system are overviewed. Pulse width-modulated voltage source inverter, as the most commonly used power converter in PMS motor drives, is briefly discussed. PMS motors configurations and operating principles are also presented after considering characteristics of permanent magnet materials. Major PMS motor control methods including vector control, direct torque control, predictive control, deadbeat control, and combined vector and direct torque control are briefly reviewed. Finally, several rotor position and speed estimation schemes, and offline and online parameter estimation methods are overviewed.
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Частини книг з теми "Positional electric drive"

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Brunel, Olivier, and Rainer Moller. "Rotor Position Sensor for Hybrid and Electric Drives." In Advanced Microsystems for Automotive Applications 2013, 215–22. Heidelberg: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00476-1_21.

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2

Kabziński, Jacek, Przemysław Mosiołek, and Marcin Jastrzębski. "Adaptive Position Tracking with Hard Constraints—Barrier Lyapunov Functions Approach." In Advanced Control of Electrical Drives and Power Electronic Converters, 27–52. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45735-2_2.

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3

Skóra, Marcin, and Czesław T. Kowalski. "Detection and Compensation of Transistor and Position Sensors Faults in PM BLDCM Drives." In Advanced Control of Electrical Drives and Power Electronic Converters, 193–218. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45735-2_9.

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4

Neidig, Norbert, Q. Werner, R. Lehmann, and M. Doppelbauer. "Influence of rotor position on the design of electric drive system." In 17. Internationales Stuttgarter Symposium, 293–306. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-16988-6_27.

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5

Serkies, Piotr, and Krzysztof Szabat. "Predictive Position Control of a Two-Mass System with an Induction Motor in a Wide Range of Speed Changes." In Advanced Control of Electrical Drives and Power Electronic Converters, 53–74. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45735-2_3.

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6

Gächter, Jens, Jürgen Fabian, Mario Hirz, Andreas Schmidhofer, and Heinz Lanzenberger. "Evaluation of Angular Sensor Systems for Rotor Position Sensing of Automotive Electric Drives." In Advanced Microsystems for Automotive Applications 2014, 277–86. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-08087-1_25.

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Srikanth, K. S., L. V. Narasimha Rao, D. Ravikrishore, K. Naresh, and V. Ramesh. "Analysis and Position Control of Switched Reluctance Motor Drives by Using Fuzzy Logic." In Lecture Notes in Electrical Engineering, 893–902. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2119-7_87.

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8

Slimen, Saïda Ben, Manef Bourogaoui, and Houda Ben Attia Sethom. "A New Approach for Effective Position/Speed Sensor Fault Detection in PMSM Drives." In Lecture Notes in Electrical Engineering, 359–72. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37161-6_27.

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9

Dennig, Hans-Jörg, Adrian Burri, and Philipp Ganz. "BICAR—Urban Light Electric Vehicle." In Small Electric Vehicles, 157–66. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65843-4_12.

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Анотація:
AbstractThis paper describes the technical features of the light electric vehicle (L2e-category) named BICAR. This specially designed vehicle is an all-in-one emissions-free micro-mobility solution providing a cost-effective and sustainable mobility system while supporting the transition towards a low carbon society (smart and sustainable city concept). The BICAR represents part of a multimodal system, complementing public transport with comfort and safety, relieving inner-city congestion and solving the “first and last mile” issue. The BICAR is the lightest and smallest three-wheel vehicle with weather protection. Due to the space-saving design, six to nine BICARS will fit into a single standard parking space. Safety is increased by an elevated driving position and a tilting mechanism when cornering. The BICAR achieves a range of 40–60 km depending on the battery package configuration in urban transport at a speed of 45 km/h. It features a luggage storage place and exchangeable, rechargeable batteries. The BICAR can be driven without a helmet thanks to the safety belt system, which is engineered for street approved tests. The BICAR has an integrated telematic box connected to the vehicle electronics and communicating with the dedicated mobile application, through which the BICAR can be geo-localised, reserved, locked/unlocked and remotely maintained.
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10

Arof, Saharul, M. S. Said, N. H. N. Diyanah, N. M. Noor, N. M. Yaakop, Philip Mawby, H. Arof, and Emilia Noorsal. "Series Motor Four-Quadrant Direct Current Chopper: Reverse Mode, Steering Position Control with Double-Circle Path Tracking and Control for Autonomous Reverse Parking of Direct Current Drive Electric Car." In Advanced Structured Materials, 121–36. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46036-5_12.

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Тези доповідей конференцій з теми "Positional electric drive"

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Omelchenko, Ye Ya, A. V. Belyy, and A. B. Lymar. "Angle setting in a positional electric drive of robot devices." In 2017 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM). IEEE, 2017. http://dx.doi.org/10.1109/icieam.2017.8076190.

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2

Denisov, V., and M. Tretyakova. "Positional Asynchronous Electric Drive with Vector Control and Non-Linear Correction." In 2018 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM). IEEE, 2018. http://dx.doi.org/10.1109/icieam.2018.8728696.

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Bychkov, Mikhail, Valentina Kuznetsova, and Alecksey Anuchin. "Quasi-optimum Control of Positional Electric Drive with Synchronous Reluctance Motor by Criterion of Minimum Electrical Losses." In 2020 27th International Workshop on Electric Drives: MPEI Department of Electric Drives 90th Anniversary (IWED). IEEE, 2020. http://dx.doi.org/10.1109/iwed48848.2020.9069564.

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4

Bychkov, Mikhail, and Valentina Kuznetsova. "Optimum and Quasioptimum Control of Direct Current Positional Electric Drive by Criterion of Minimum Electrical Losses at Weakening of Magnetic Flux." In 2018 X International Conference on Electrical Power Drive Systems (ICEPDS). IEEE, 2018. http://dx.doi.org/10.1109/icepds.2018.8571576.

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Belousov, E. V., and A. M. Zhuravlev. "Evaluation of limit regulation values for positional electric drive in a system equipped with cycloconverters." In 2017 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM). IEEE, 2017. http://dx.doi.org/10.1109/icieam.2017.8076291.

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6

Bonato, Carlo, Tatiana A. Minav, Panu Sainio, and Matti Pietola. "Position Control of Direct Driven Hydraulic Drive." In 8th FPNI Ph.D Symposium on Fluid Power. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpni2014-7823.

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This paper investigates directly driven hydraulic setup for non-road mobile machinery (NRMM) application. The purpose of this research is to utilize the excellent control capabilities of modern electric drives in electro-hydraulic systems, create direct drive position control for the hydraulic cylinder and verify the results by measurements. The control is implemented directly with a motor drive without conventional control valves. Speed and position of the double-acting cylinder is determined by in-coming oil flow from the pump, out-coming flow of hydraulic motor and angular speed of the electric motor with a single feedback from motor rotor encoder. Empirical results proved that the control suits NRMM application. The achieved maximum final position error of 3.1 % of the position control for tested cycle is fulfilling required accuracy.
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7

Minav, Tatiana A., Panu Sainio, and Matti Pietola. "Direct-Driven Hydraulic Drive Without Conventional Oil Tank." In ASME/BATH 2014 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpmc2014-7834.

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In the past few years, direct-driven hydraulic drive (DDH) has synthesized the advantages of compact high power of the hydraulic system and flexible control of the electric motor. This paper investigates the direct-driven hydraulic setup for the non-road mobile machinery (NRMM) application. In the proposed setup, the speed and position control of a double-acting cylinder is implemented directly with a Synchronous Torque Motor drive in a close-loop system without conventional control valves and oil tank. In relation to this, hydraulic accumulator is employed as a replacement of the conventional oil tank. For position and speed control of this closed-loop system, only single feedback is applied from motor’s rotor encoder. As a result, excellent control capabilities of a modern electric drive brings along safety functions and monitoring capabilities of the motor and controller to benefit the hydraulic system. Functionalities of motor controllers offer opportunities to duplicate conventional sensors based on either safety or reliability demands. The system is investigated by means of measurements and also simulation models.
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8

Yazdi, Shahrzad H., Scott M. Davison, and Kendra V. Sharp. "Experimental Demonstration of Localized Flow Control in a Microchannel Using Induced-Charge Electroosmosis." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11480.

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In this paper we investigate the use of induced charged electroosmosis (ICEO) as a means of providing localized flow control within bulk pressure-driven flow. Conductive posts are positioned in a microchannel in such a way that an AC electric field can be applied across them. This AC field induces an electric double layer (EDL), leading to ICEO flow around the conductive object. A pressure gradient is applied across the length of the channel to drive a background flow past the ICEO region. The combination of AC and pressure-driven flow fields is expected to create recirculation regions around the posts which could be useful for trapping particles or focusing the flow, e.g. for lab-on-a-chip applications. Numerical models of ICEO flow were developed and used to provide guidance for the design of microfluidic devices. These numerical models were also used to explore the number, position and shape of the conducting posts to create useful flow patterns. However, this paper focuses on the fabrication of and experiments within a prototypical microdevice. The device was fabricated from silicon dioxide and conducting gold pillars positioned in the glass channel. Experimental results obtained from this device have demonstrated localized ICEO-based flow control. Specifically, wake regions devoid of particles are created behind the posts.
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9

Cornea, O., and D. Popovici. "Software position tuning of a SRM drive system." In 2010 12th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM). IEEE, 2010. http://dx.doi.org/10.1109/optim.2010.5510501.

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10

Tolochko, Olga, and Pavel Rozkariaka. "Asymmetric Reference Trajectories for Energy Efficiency Position Electric Drives." In 2018 X International Conference on Electrical Power Drive Systems (ICEPDS). IEEE, 2018. http://dx.doi.org/10.1109/icepds.2018.8571602.

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Звіти організацій з теми "Positional electric drive"

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Russo, Margherita, Fabrizio Alboni, Jorge Carreto Sanginés, Manlio De Domenico, Giuseppe Mangioni, Simone Righi, and Annamaria Simonazzi. The Changing Shape of the World Automobile Industry: A Multilayer Network Analysis of International Trade in Components and Parts. Institute for New Economic Thinking Working Paper Series, January 2022. http://dx.doi.org/10.36687/inetwp173.

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Анотація:
In 2018, after 25 years of the North America Trade Agreement (NAFTA), the United States requested new rules which, among other requirements, increased the regional con-tent in the production of automotive components and parts traded between the three part-ner countries, United States, Canada and Mexico. Signed by all three countries, the new trade agreement, USMCA, is to go into force in 2022. Nonetheless, after the 2020 Presi-dential election, the new treaty's future is under discussion, and its impact on the automo-tive industry is not entirely defined. Another significant shift in this industry – the acceler-ated rise of electric vehicles – also occurred in 2020: while the COVID-19 pandemic largely halted most plants in the automotive value chain all over the world, at the reopen-ing, the tide is now running against internal combustion engine vehicles, at least in the an-nouncements and in some large investments planned in Europe, Asia and the US. The definition of the pre-pandemic situation is a very helpful starting point for the analysis of the possible repercussions of the technological and geo-political transition, which has been accelerated by the epidemic, on geographical clusters and sectorial special-isations of the main regions and countries. This paper analyses the trade networks emerg-ing in the past 25 years in a new analytical framework. In the economic literature on inter-national trade, the study of the automotive global value chains has been addressed by us-ing network analysis, focusing on the centrality of geographical regions and countries while largely overlooking the contribution of countries' bilateral trading in components and parts as structuring forces of the subnetwork of countries and their specific position in the overall trade network. The paper focuses on such subnetworks as meso-level structures emerging in trade network over the last 25 years. Using the Infomap multilayer clustering algorithm, we are able to identify clusters of countries and their specific trades in the automotive internation-al trade network and to highlight the relative importance of each cluster, the interconnec-tions between them, and the contribution of countries and of components and parts in the clusters. We draw the data from the UN Comtrade database of directed export and import flows of 30 automotive components and parts among 42 countries (accounting for 98% of world trade flows of those items). The paper highlights the changes that occurred over 25 years in the geography of the trade relations, with particular with regard to denser and more hierarchical network gener-ated by Germany’s trade relations within EU countries and by the US preferential trade agreements with Canada and Mexico, and the upsurge of China. With a similar overall va-riety of traded components and parts within the main clusters (dominated respectively by Germany, US and Japan-China), the Infomap multilayer analysis singles out which com-ponents and parts determined the relative positions of countries in the various clusters and the changes over time in the relative positions of countries and their specialisations in mul-tilateral trades. Connections between clusters increase over time, while the relative im-portance of the main clusters and of some individual countries change significantly. The focus on US and Mexico and on Germany and Central Eastern European countries (Czech Republic, Hungary, Poland, Slovakia) will drive the comparative analysis.
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