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Статті в журналах з теми "Drive stepper"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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1

Hu, Mingliang, Wei Han, Wei Gao, and Yang Liu. "Application of two-phase hybrid stepping motor based on three-phase inverter chopping control strategy in aircraft electric drive servo valve." Journal of Physics: Conference Series 2137, no. 1 (December 1, 2021): 012011. http://dx.doi.org/10.1088/1742-6596/2137/1/012011.

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Анотація:

Abstract With the development of multi-/all-electric technology, more and more aircraft platforms use electrically driven servo valves as the driving source to realize real-time adjustments of flow, pressure and temperature in the area network. The new generation of aircraft applies a stepper motor to drive the servo valve as the drive source, and utilizes the holding torque and open-loop control characteristics of the stepper motor when the stepper motor could not meet aircraft’s requirements of the reliability of the servo valve, the controllability of the opening and closing angle, and the environmental resistance. This paper develops a set of stepper motor drive servo valve control system. The system is mainly composed of flight tube bus, electromechanical management computer, remote actuation unit, remote interface unit and motor-driven servo valve. The stepper motor driver is integrated in the remote execution unit and is used to control the two-phase hybrid stepper motor to drive the servo valve. The topology of a three-phase inverter bridge drive is used to achieve the two-phase double four-shot drive, which saves about 25% power drive hardware. By controlling the two-phases motor, the direction and amplitude of the current one can realize micro-step control. The test and simulation result show that the system has higher control accuracy and better acceleration. The deceleration characteristics in two-phase full step and micro step working modes can expand the application of electric servo valve and improve aircraft performance.

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2

Qiu, Hanyu, and Qi Su. "Simulation Research of Hydraulic Stepper Drive Technology Based on High Speed On/Off Valves and Miniature Plunger Cylinders." Micromachines 12, no. 4 (April 15, 2021): 438. http://dx.doi.org/10.3390/mi12040438.

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Анотація:

The technology for stepper drive that can achieve accurate motion in the hydraulic field has always been urgently needed in the industry. This paper proposes a hydraulic stepper drive based on five high speed on/off valves and two miniature plunger cylinders. The stepper drive discretizes the continuous flow medium into fixed small steps through the miniature plunger cylinder and realizes the state control of the drive through the logic action of the high speed on/off valve. This paper improves the current stepper drive and establishes a mathematical model to analyze the error of the drive and calculate the position of the actuator. In addition, through simulation research, the performance parameters such as the single-step step characteristic and pressure characteristic of the stepper drive are studied. The results show that, compared with the technology of current stepper drive, this stepper drive can effectively remove the “post step” phenomenon, greatly improve the stepper accuracy of the stepper drive, and have a more excellent performance.

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3

Li, San Bo. "The Application and the Driver Design of Double Axis Step-Drive Electromotor in the Motorcycle Meter." Advanced Materials Research 201-203 (February 2011): 594–99. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.594.

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Анотація:

The traditional motorcycle meters are driven by the separate motors, these devices are simple and easy to be controlled, stable performance, but dial space has not been fully utilized. This paper introduces the double index show of motorcycle speed and speed，focus on analysis of dual-axis stepper motor driven connections, drive mode and the driver circuit design. The results of experiment and application shows that the coaxial two-pointer motorcycle display instrument has good repeatability, good linear scale, fast response, no jitter, high reliability and relatively small size and many other advantages, instrumentation stepper motor driver with dual-axis motor instrument design meet the relevant requirements of motorcycle meter, can be easily to achieve motor servo system driven synchronous control of double axis step-drive electromotor.

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4

Yu, Bi Qiong. "Azimuths Scan Servo System Design of the Radar." Applied Mechanics and Materials 321-324 (June 2013): 680–83. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.680.

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Анотація:

For the special requirements of the radar antenna, a servo system was designed to drive a certain type of weather radar azimuth scan. The control segment consists of the PC and the stepper motor motion control card, in which the stepper motor was used as the actuator and the motor drive circuit was built by the specific integrated driver chips of the stepper motor. By testing the vibration, the shock and the temperature of system, it shows that the designed azimuths scan servo system can meet the requirements of the weather radar azimuth scan.

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5

Y. Yousef, Ayman, and M. H. Mostafa. "Simulation and Implementation of Multiple Unipolar Stepper Motor Position Control in the Three Stepping Modes using Microcontroller." Indonesian Journal of Electrical Engineering and Computer Science 4, no. 1 (November 4, 2016): 29. http://dx.doi.org/10.11591/ijeecs.v4.i1.pp29-40.

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Анотація:

<p>This paper presents a multiple unipolar stepper motor position control system using microcontroller (MCU) in anticlockwise and clockwise directions. The open loop controller of the implemented position control system for the three stepping modes of operation has been designed and developed with three stepper motors and without position feedback. The MCU is programmed using flowcode software package to generate the pulse signals with the desired stepping sequences and step angles. These pulse signals are necessary to drive the three stepper motors in the three drive modes (wave-step, full-step, and Half-step) according to the control algorithm. Three devices of 8 Channel Darlington Driver (chip ULN2803) are used to drive the three stepper motors and provide them with the sufficient current. The position control system has been simulated using proteus design suite software package and the controller has been implemented using low cost PIC16F877A (MCU). A reliable and accurate position control of the stepper motor is achieved by this position control system. </p>

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6

Cao, Fa Hai, and Jian Ping Lv. "High Performance Drive Design for Hybrid Stepper Motors." Advanced Materials Research 706-708 (June 2013): 822–25. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.822.

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Анотація:

A new frequency-voltage modulation drive technique is proposed and analyzed for the use of stepping motor. Hardware circuit and the current compensation control method are given in the article. STM32 MCU control the PWM switch power, and combine L6384 to drive the MOSFET tube which consisting of H-bridge driver circuit. It simplifies the power drive electronic circuit. A high performance drive design about the best of drive curve is used through the analysis and study of the current closed-loop control. It will significantly improve the stability in low frequency and the torque frequency characteristic in high frequency, and the design can be used for high-power automation equipment.

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7

Cai, Changxin, Yongjun Chen, and Ruiling Ouyang. "Test and Analysis of Stepper Motor’s Noise in HVAC’s Ventilation Valve." Journal of Physics: Conference Series 2095, no. 1 (November 1, 2021): 012063. http://dx.doi.org/10.1088/1742-6596/2095/1/012063.

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Анотація:

Abstract With the application of automotive air conditioning being more popular, higher requirements on automotive air conditioning’s comfort have been put forward, noise is an important criterion about comfort. BDC motor controlling ventilation valve’s noise is mainly caused by brush and commutator, but stepper motor doesn’t have it and stepper motor is cheap and easy-controlling. In this paper, the principle of microstepping drive technology is discussed in detail, the control circuit block diagram and the application of the stepping motor’s control system are introduced. The noise of BDC motor and stepper motor controlling ventilation valve is measured in the semi-anechoic room, BDC motor produces peak noise at the start and stop during the working of motor, stepper motor’s noise is slight and smooth-going; current waveforms have been measured in the microstepping drive, the results show microstepping drive makes current waveform more smooth-going and stepper motor’s noise is lower. So it is a tendance stepper motor will replace BDC motor to control ventilation valve, and the microstepping drive can meet different requirements for merchant’s control.

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8

Lai, Chiu-Keng, Bo-Wei Lin, Hsiang-Yueh Lai, and Guan-You Chen. "FPGA-Based Hybrid Stepper Motor Drive System Design by Variable Structure Control." Actuators 10, no. 6 (May 28, 2021): 113. http://dx.doi.org/10.3390/act10060113.

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Анотація:

A stepper motor is usually operated in position open-loop control for simplicity. However, in order to improve the transient and steady-state performances of the stepper motor-based drive system, a high performance stepper motor drive system is usually designed to feed the encoder signal back to form a closed-loop system such as a general servo motor drive, and high-performance position and speed loop controller can then be used to overcome the nonlinear characteristics of the motor, such as the cogging force and impacts from external load. On the other hand, the existed cogging force of the hybrid stepper motor must be solved to increase the positioning precision. The variable structure control (VSC) is insensitive to the bounded uncertainty and load disturbance, and has been known as a high-performance controller. A predefined sliding surface is used to shape the system performances, and incorporate with switching control to achieve the robustness property. Thus, we applied the VSC to implement the stepper motor drive system about the position and speed control, and the switching control is used to overcome the cogging force. The field programmable gate array (FPGA) is a good alternative to be used to realize a motor drive system by considering its programmable ability and diverse designing environment. It is easily developed as an intellectual property (IP) for future use or combined as a part of a large control system. This paper showed the procedures to develop the hardware circuits for the variable structure controller, and applied it to stepper motor position and velocity control. Functions such as PI controllers, dq-axis transformation and two-phase space vector space vector modulation (SVPWM) designed for the stepper motor drives are also shown in the paper. The system simulation and hardware circuit realization are based on MATLAB/Simulink, and realized on Altera FPGA. Simulations on MATLAB/Simulink with trapezoidal velocity profile command, and experiments with and without the load added are shown to demonstrate the hardware performances and correctness.

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9

Han, Jian Bing, and Jian Jun Cai. "A Kind of Experiment System Design of Stepping Motor." Advanced Materials Research 1079-1080 (December 2014): 935–37. http://dx.doi.org/10.4028/www.scientific.net/amr.1079-1080.935.

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Анотація:

Thispaper designs a set of experiment system for stepper motor, the control system ofstepping motor is composed of stepper controller, drive and stepper motor, withthe single chip processor as the stepper motor controller to realize the morecomplex stepper motor control function. This system has got good teachingeffect in experiment teaching.

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10

Sarhan, Hussein. "PLC-controlled stepper motor drive for NC positioning system." International Journal of Engineering & Technology 3, no. 3 (June 20, 2014): 298. http://dx.doi.org/10.14419/ijet.v3i3.2796.

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Анотація:

In this paper, an electric drive system for precision control of numerically-controlled positioning system is designed, assembled and experimentally tested. The proposed drive system is based on PLC-controlled stepper motor. The PLC is used as an indexer to perform full stepping, half stepping and microstepping modes of operation of stepper motor. The drive system has been implemented in two-axes NC positioning system. The linear displacement for each machine axis has been evaluated and compared for the three stepping modes of stepper motor. Experimental and calculation results show that the response per pulse (resolution) for full stepping mode is , for half stepping mode is and for microstepping mode is , which means that the microstepping mode is the best one for precision control of NC positioning system. Keywords: Electric Drive, NC Positioning System, PLC, Stepper Motor, Stepping Mode.

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11

Solomin, Vladimir A., Andrej V. Solomin, Nadejda A. Trubitsina, and Larisa L. Zamchina. "Stepper induction motors for electric drive." Transportation Systems and Technology 7, no. 1 (March 31, 2021): 85–98. http://dx.doi.org/10.17816/transsyst20217185-98.

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Анотація:

Aim: The goal is to present a new asynchronous principle of operation of stepper motors, based on the use of counter-rotating (or traveling) magnetic fields. Method: A change in the degree of symmetry of one of these magnetic fields leads to the fact that the armature (rotor or secondary element) makes a precise discrete movement. Result: The force moving the armature of a stepper induction motor is created as a result of the interaction of eddy currents in the armature with a rotating or traveling magnetic field. Stepper induction motors can rotate the rotor at a certain angle and discretely move flat or cylindrical electrically conductive armatures, which can be smooth and non-magnetic. A separate group of motors for a discrete electric drive is made up of two-coordinate linear stepping asynchronous machines, which also operate using the same counter-running magnetic fields both in the longitudinal and transverse directions. Conclusion: The features of the design of such electric machines are presented, the values of the magnetic induction in different zones of a two-coordinate stepper motor are determined, the relations for calculating the steps of the armature in both the longitudinal and transverse directions are given.

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12

Song, Xin Wang, Yan Wu, Yu An He, and Fu Yang Chen. "Pre-Stressed Modal Analysis of the Shaft Based on ANSYS Workbench." Advanced Materials Research 1028 (September 2014): 105–10. http://dx.doi.org/10.4028/www.scientific.net/amr.1028.105.

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Анотація:

This paper is based on the research on the drive shaft of the toothpaste tube conveyor, using Solidworks to create the three dimensional model of the frame of the soft tube conveyor and the drive shaft. And natural frequencies and vibration modes of preceding 6 modalities of pre-stress modal analysis are calculated with ANSYS Workbench. By analyzing the natural frequencies of the drive shaft and the resonance range of stepper motors, the reasonable speed range of the stepper motor can be acquired, in order to avoid the resonance between the drive shaft and stepper motor. At the same time, the reasonable installation location of synchronous belt wheels can be attained by analyzing each vibration mode.

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13

Ruan, Jian, X. Pei, Z. Q. Yu, S. Li, and Ju Long Yuan. "Drive Control of Dithering Table for Grinding." Key Engineering Materials 304-305 (February 2006): 521–25. http://dx.doi.org/10.4028/www.scientific.net/kem.304-305.521.

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In grinding viscous materials, such as stainless steel, aluminum and many polymeric materials, the application of a dither on the workpieces proves to be an effective way to enhance the quality of surface finish. A linear stepper motor is utilized for this purpose. By means of the PWM control to the adjacent phase coils, the linear stepper can drive the sliding table to make reciprocating motion and also to produce a desired dither signal, while the grinding is undertaken to the attached workpiece. In this paper, a linear stepper motor is introduced to drive the sliding table and a modulated control strategy is used to control the linear stepper continuously, which also generates an additional dither on the sliding table and the attached workpiece. The dither amplitude can be adjusted by means of the modulated frequency. Experiments are designed to measure the practical dither signals and to verify the effectiveness of improving surface finish quality using a dither. It is demonstrated by both theoretical and experimental results that by means of proposed table drive, a rather wide band of dither signal can be acquired and can meet the most demand of viscous material grinding.

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14

Partington, E. C., Edward Chun Kay Wong, and W. A. Bullough. "An Electrostatic Stepper Motor." International Journal of Modern Physics B 10, no. 23n24 (October 30, 1996): 2917–23. http://dx.doi.org/10.1142/s0217979296001367.

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Анотація:

This paper describes a new concept in pulse controlled motor and precision linear actuator techniques. Piezo translators [PZT] employed to provide reciprocating primary motion are connected to a load via a controllable electrorheological fluid [ERF] clutch to form a programmable speed and step-width drive. Ideal considerations are used to quantify the limiting potential of the drive and details are given of its development and progress.

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15

Lai, Chiu-Keng, Jhang-Shan Ciou, and Chia-Che Tsai. "The Modelling, Simulation and FPGA-Based Implementation for Stepper Motor Wide Range Speed Closed-Loop Drive System Design." Machines 6, no. 4 (November 1, 2018): 56. http://dx.doi.org/10.3390/machines6040056.

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Анотація:

Owing to the benefits of programmable and parallel processing of field programmable gate arrays (FPGAs), they have been widely used for the realization of digital controllers and motor drive systems. Furthermore, they can be used to integrate several functions as an embedded system. In this paper, based on Matrix Laboratory (Matlab)/Simulink and the FPGA chip, we design and implement a stepper motor drive. Generally, motion control systems driven by a stepper motor can be in open-loop or closed-loop form, and pulse generators are used to generate a series of pulse commands, according to the desired acceleration/run/deceleration, in order to the drive system to rotate the motor. In this paper, the speed and position are designed in closed-loop control, and a vector control strategy is applied to the obtained rotor angle to regulate the phase current of the stepper motor to achieve the performance of operating it in low, medium, and high speed situations. The results of simulations and practical experiments based on the FPGA implemented control system are given to show the performances for wide range speed control.

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16

Liu, Kan, and Song Lin Liu. "Remote Stepper Motor Controlled Based on Wi-Fi Module." Applied Mechanics and Materials 727-728 (January 2015): 612–15. http://dx.doi.org/10.4028/www.scientific.net/amm.727-728.612.

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Анотація:

This paperdescribes an approach based on Wi-Fi technology to remotelycontrol the stepper motor. Through usingMCU Nested Vectored InterruptController (NVIC) and timer, the stepper motor would run smooth without intervalor frame miss, which could happen due to the problem of unstable Wi-Fi connection.The drive board and Wi-Fi module were also re designed to smooth the runningprocess of stepper motor.

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17

Dwijaputra, IGN Agung, I. Made Satriya Wibawa, and Nyoman Wendri. "Designing CCTV Working Optimization System as Room Security Using Passive Infrared (PIR) Sensor Based on AT89S52 Microcontroller." BULETIN FISIKA 19, no. 2 (August 1, 2018): 46. http://dx.doi.org/10.24843/bf.2018.v19.i02.p02.

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Анотація:

A CCTV optimization system has been designed using PIR (passive infrared) sensor based on AT89S52 microcontroller. This device consists of several series of sensor circuit, AT89S52 microcontroller minimum system, stepper motor driver circuit, push-on circuit and alarm circuit. The working system of the room safety device is when the PIR (passive infrared) sensor detects the movement of the object, then the output of the sensor is forwarded to the microcontroller, the microcontroller will process and convey to the driver circuit to drive the stepper motors that moves the CCTV. The push-on circuit is connected to the microcontroller port for controlling the movement of the stepper motor so it won’t rotate beyond 180 degrees, and for the safety of the room, an alarm circuit is connected to the microcontroller port as an alarming sound generator.

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18

Dong, Hong Yan, and Hong Min Guo. "The Design of Step Motor Subdivision Drive Controller Based on FPGA." Applied Mechanics and Materials 577 (July 2014): 378–81. http://dx.doi.org/10.4028/www.scientific.net/amm.577.378.

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Анотація:

This paper, based on the EDA software platform and VHDL description method, introduces how to use the FPGA chip to control the multiphase stepper motor. This design, through automatic logic compilation optimization and simulation test and compile, finally completed the function of the stepping motor subdivision drive controller. By testing, it can achieve controlling positive &negative and subdivision for stepper angle.

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19

Liu, Haowen, and Ripeng Li. "Design of stepper motor driver based on STM32." Journal of Physics: Conference Series 2082, no. 1 (November 1, 2021): 012009. http://dx.doi.org/10.1088/1742-6596/2082/1/012009.

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Анотація:

Abstract In the field of industrial control, stepping has been widely used as an actuator. For this article, based on STM32F103 as the control core, the functions of start and stop, forward rotation, reverse rotation and speed regulation of the stepping motor are realized through four buttons. The system uses L293D to drive a stepper motor, LED0 and LED1 two status lights display the motor’s forward and reverse rotation status, and the digital tube displays the current stepper motor speed. The whole system includes L293D module, button module, status light module and speed display module. The whole system is modeled, theoretically analyzed and simulated based on the drive control principle of the stepper motor, and the precise and stable control performance of the system under different occasions is further verified through experiments.

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20

Li, Yuesong. "Steady-state modelling and performance of a rotary direct drive digital valve." Measurement and Control 53, no. 3-4 (January 6, 2020): 311–19. http://dx.doi.org/10.1177/0020294019866852.

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Анотація:

A rotary direct drive digital valve driven by a stepper motor was proposed. By analysing its working principle, the steady-state mathematical model reflecting the relationship between the pressure, the flow and the angular displacement was deduced. Based on this mathematical model, the models of the null valve coefficients, the zero leakage flow and the steady-state flow torque were given. The simulation shows that the relationship between the pressure and the flow of the rotary valve is nonlinear; however, under a constant load pressure, the flow characteristics and the steady-state flow torque characteristics of the rotary valve with rectangular throttle orifices are linear. The experimental results show that the flow is directly proportional to the steps of the stepper motor, and the proposed mathematical models are valid.

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21

Qu, Da Long, and Qiu Lei Du. "The Research of Free Pendulum Flat Control System Based on MCU." Advanced Materials Research 945-949 (June 2014): 2661–64. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.2661.

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Анотація:

Free pendulum plate control system controlled by MCU, the system is mainly composed of a swing frame, MCU control module, detection module, motor drive module,display module. Mainly introduces the hardware and software composition of the control system, and the control circuit principle of work, the data acquisition with high accuracy and low range acceleration angle sensor. Free pendulum plate control system using STC12C5A60S2 microcontroller as the main control system, L298N as the motor drive module, STC12C5A60S2 MCU through the L298N drive module drives the PK545-NAC-C29 stepper, making step plate on the machine with the swing and rotation.

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22

Kabacinski, Mirosław, and Roland Pawliczek. "Fully Automated System for Air Velocity Profile Measurement." Archive of Mechanical Engineering 59, no. 4 (November 1, 2012): 435–51. http://dx.doi.org/10.2478/v10180-012-0023-0.

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Анотація:

The paper presents the idea of a system for controlling the movement of a flowmeter for air velocity profile measurement. In such a system, due to massive amount of data and limitations of the Data Acquisition Equipment, it is necessary to use moveable sensors. The flowmeter sensor is moved with the use of a linear module with a stepper motor and a tooth-belt drive. The location and speed of the sensor are controlled by a program based on the idea of virtual instrument. The proposed structure allows the user to control operation of the stand and provides automatic measurement. A wide range of velocity and step increments of the stepper motor drive, and flexibility of the virtual instrument software, allow one to create effective measurement systems ensuring sufficiently precise location with optimal time duration of measurement. It is shown that the linear module with tooth-belt is an effective alternative for similar modules with micro-screw drives.

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23

FECKO, Branislav, and Tibor VINCE. "THERMAL SIMULATION OF CNC MILLING MACHINE DRIVES." Acta Electrotechnica et Informatica 21, no. 3 (December 20, 2021): 19–23. http://dx.doi.org/10.15546/aeei-2021-0015.

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Анотація:

The publication deals with the design of thermal simulation of CNC milling machine drives. The first part of the publication defines the individual parts of the thermal model concept and their mutual influence. Subsequently, simulations of drives were created. The first thermal model is defined for a stepper motor which is a drive for the linear axes of a CNC milling machine. Subsequently, the design of the thermal drive of the spindle is analysed, which uses a DC motor with permanent magnets. Using previous models of the drive, a model of the entire CNC milling machine was designed. In the last part, the model was compared with real measurements, which evaluated the tolerances of the system.

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24

Zang, Chuan Qiang, Ming Yu Gao, Yun Fei Liu, and Zhi Wei He. "Study of Subdivision Stepping Motor Driver Based on the Controllable Dead-Time Compensation." Applied Mechanics and Materials 556-562 (May 2014): 1294–97. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1294.

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Анотація:

In order to improve the step accuracy of two-phase hybrid stepping motors, this paper presents a high-performance stepping motor driver based on controllable dead-time compensation. After CPLD(Complex Programmable Logic Device) logical processing, the subdivision drive signal created by microcontroller STM32 becomes a complementary dead-time compensation drive signal which can realize precise control of stepper motor. The experiment shows that this program not only has effectively reduced the power consumption of the stepping motor, but also made whole system cost less.

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25

Hichami, Nezha El. "Comparison the Three Commands Photovoltaic MPPT, Using Converter BOOST to Power Stepper Motor Drive." Journal of Advanced Research in Dynamical and Control Systems 12, no. 01-Special Issue (February 13, 2020): 440–51. http://dx.doi.org/10.5373/jardcs/v12sp1/20201091.

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26

Wei, Juan, Jie Xiao, and Hong Wei Ma. "Development of a Control System on 5-Axes Automatic Scanning for Nondestructive Ultrasonic Test." Materials Science Forum 532-533 (December 2006): 552–55. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.552.

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Анотація:

A system is developed on a 5-axes automatic scanning for ultrasonic test. It is a system with the host-slave and open-loop mode that contains PC and a 5-axes drive card based on single chip microcomputers. The system drives five stepper motors to carry the detector moving paralleling the normal direction of the detected surface to complete the detect task.

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27

Chen, Jiang Pan, Wei Cheng, and Wei Han. "Analysis and Simulation of Stepper Motor Disturbance Considering Structural Coupling." Applied Mechanics and Materials 526 (February 2014): 103–8. http://dx.doi.org/10.4028/www.scientific.net/amm.526.103.

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Анотація:

The disturbance mechanism of a two-phase hybrid stepper motor driving a rigid load with a transmission shaft is introduced, and its active disturbance and electromagnetic coupling disturbance are obtained by theoretical analysis and building the mathematical model of stepper motor output torque respectively. Then the simplified dynamic model of the whole mechanical system is given, and stepper motor disturbance considering structural coupling is obtained by building the vibration function of the dynamic model. Matlab/Simulink toolbox is used to simulate the analysis results. All the conclusions obtained establish a foundation for analyzing the solar array drive assembly disturbance.

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Hu, Mingliang, Erjun Yu, and Wen Yan. "Application of Step Motor Servo Control Technology in Integrated Thermal Management of Advanced Fighter System." Journal of Physics: Conference Series 2108, no. 1 (November 1, 2021): 012098. http://dx.doi.org/10.1088/1742-6596/2108/1/012098.

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Abstract The integrated thermal management of advanced fighter jets directly affects the combat performance of the aircraft. This paper develops a set of multi-cycle integrated thermal management control system, based on the stepper motor drive servo valve. The stepper motor control system is integrated in the aircraft Remote Execution Unit (REU). The controlled information, such as flow, pressure, temperature, is collected and combined through the Remote Interface Unit (RIU). Through the IEEE-1394 bus, feedback achieves deterministic transmission between control-action-response, and through inverse time protection, the high reliable power drive can be achieved. The open-loop vector micro-stepping driving strategy of the stepper motor is designed, simplifying software and hardware designs. The experimental results show that the strategy developed in this paper can better realize the characteristics of two-phase current sine wave, have better acceleration performance, improve the controllability of the opening and closing angle of the stepping motor servo valve, and satisfy the comprehensive thermal management of advanced fighters.

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29

Niemczyk, T. M., and G. W. Gobeli. "Characteristics of a Direct Grating Drive." Applied Spectroscopy 42, no. 5 (July 1988): 792–96. http://dx.doi.org/10.1366/0003702884428897.

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Анотація:

A direct-device, i.e., no sine bar, grating drive has been built and characterized. The use of a microprocessor controller allows the system to be calibrated easily. Once calibrated the system demonstrates precision and accuracy that are as good as theoretically possible given the gearing and stepper motor selected. The lack of a sine bar mechanism also allows the grating to be rotated to very high angles. Wavelength scans with the use of a single grating are demonstrated.

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30

Sharma, S. M., and Hausila Singh. "Microprocessor Based Stepper Motor Drive System for Control Application." IETE Technical Review 6, no. 3 (May 1989): 163–67. http://dx.doi.org/10.1080/02564602.1989.11438465.

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31

Pan, Ge, Ya Nan Zhang, Lin Zhi Sun, Lin Yong Shen, and Cheng Gang Wang. "The Design and Analysis of the Actuator with Long Stroke and Micro-Displacement." Applied Mechanics and Materials 389 (August 2013): 668–74. http://dx.doi.org/10.4028/www.scientific.net/amm.389.668.

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Анотація:

In this paper, a new actuator with nanoscale micro-displacement is reported. The actuator not only can achieve a large stroke and nanoscale positioning accuracy, but also has the advantages of compact, low cost, high reliability and a single control system. The drive is controlled by a single power, and it consists of stepper motor, harmonic gear reducer, screw and the guide rail. The stepper motor is controlled by the pulse train and the harmonic gear reducer has high precision and small hysteresis. The precision screw converts the rotary motion of the stepper motor into linear displacement, and the plunger pushes the target in nanoscale motion accuracy through the guide rail finally.

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32

Anandaram, Mandayam N., B. A. Kagali, and S. P. Bhatnagar. "Design of a Small Automated Telescope for Indian Universities." Transactions of the International Astronomical Union 24, no. 3 (2001): 303–6. http://dx.doi.org/10.1017/s0251107x00000973.

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AbstractWe have constructed a computer controlled telescope using a 0.36-m f/11 Celestron optical tube assembly for teaching and research applications. We have constructed a heavy duty fork-type equatorial mount fitted with precision machined 24 inch drive disks for both axes. These are friction driven by stepper motors through one inch rollers. We have used an open loop control system triggerable by an ST-4 CCD camera to acquire and track any target object. Our telescope can home in on any target within a range of two arc-minutes. We have employed a commercial stepper motor controller card for which we have written a user friendly pc based telescope control software in C. Photometry using a solid state photometer, and imaging by an ST-6 CCD camera are possible.We consider that this project is suitable for those wishing to construct some parts of a telescope and understand the principles of operation. A simpler model of this telescope could use DC motors instead of stepper motors. We shall be happy to send our design diagrams and details to those interested. This project was funded by the DST, and was assisted by IUCAA, Pune.

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33

KARAZEY, VITALIY, KATERYNA SOKOLAN, ANDRIY KUSHNIRCHUK, and OLEKSIY KALININ. "MODERNIZATION OF THE TURNING TABLE FOR NC MACHINE TOOL." Herald of Khmelnytskyi National University 303, no. 6 (December 2021): 142–46. http://dx.doi.org/10.31891/2307-5732-2021-303-6-142-146.

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Анотація:

The article envisages the increase in the efficiency of NC machine tool due to the use of an upgrades design of turning table for installation and fixing of workpieces, the use of which will lead to improved productivity of machining. With the help of a turning table it is possible to perform machining of workpieces of different shapes from several sides without resetting, and to rotate the workpiece in different coordinates to carry out other technological transitions. Such tables are widely used un multi-position hole machining, milling planes on drilling and milling machines. The workpiece is fastened to the turning table by T-shaped longitudinal seams, and the table can take vertical or horizontal position. Ways to reduce the cost of CNC equipment for small enterprises are analyzed. One possible way is to modernize turning tables by replacing the manual drive. When upgrading the table for replacement of the manual drive a stepper motor is installed, which transmits the movement through the coupling and worm-and-worm gear to the faceplate. Modern stepper electric motors provide movement of the work part with an accuracy of 0.01 mm. In addition, the have good operational life due to the lack of a collector unit (in comparison with servo drives), which is subject to considerable wear during operation. Due to the simplicity of design stepper motors have relatively low cost, which is of great importance in today’s production realities. The analysis of operating life and accuracy of modern stepper motors and the choice of motor was carried out. For integration of the modernized table into the system of CNC metal-cutting machine tool the function of command reading sent from the machine control rack and converting them into the direction (DIR) and pitch (PULSE) is proposed to solve this problem. The effect of changing the design of the positioning mechanism on accuracy control is also shown.

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34

Barabas, Zsolt Albert, and Alexandru Morar. "High Performance Microstepping Driver System based on Five-phase Stepper Motor (sine wave drive)." Procedia Technology 12 (2014): 90–97. http://dx.doi.org/10.1016/j.protcy.2013.12.460.

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35

Mohd Rosli, Nor Aziyatul Izni, Mohd Azizi Abdul Rahman, Malarvili Balakrishnan, Takashi Komeda, Saiful Amri Mazlan, and Hairi Zamzuri. "The Gender Effects of Heart Rate Variability Response during Short-Term Exercise using Stair Stepper from Statistical Analysis." Indonesian Journal of Electrical Engineering and Computer Science 2, no. 2 (May 1, 2016): 359. http://dx.doi.org/10.11591/ijeecs.v2.i2.pp359-366.

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Анотація:

This study is aimed to explore the Heart Rate Variability (HRV) response during short-term exercise by stair stepper and to compare the finding between young healthy male and female subjects. The responses were statistically analyzed by applying independent-samples t-test statistical method. The calculation of Coefficient of Variation (CoV (%)) and the slope of the linear regression is used to assess the steadiness of the HRV. Furthermore, the results also demonstrated that female subjects had greater significant p-value of RMSSD feature and significance p-value in a LF feature is greater in male. Thus, the ongoing results demonstrated that males have the sympathetic drive and females have predominant parasympathetic drive using short-term exercise by stepper. Thus, the experiment results indicate the suitability of developing rehabilitation devices in the field of Autonomic Nervous System (ANS), research, control system and rehabilitation enginering, which may help to isolate males and females.

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36

Sun, Jing Rui, and Jin Cheng Wu. "Research and Implementation of Folding Machine Control System Based on MPU." Advanced Materials Research 383-390 (November 2011): 5838–43. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.5838.

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Анотація:

The purpose of this paper is to analyze the working principle of folding machine and it also explains the working mode of the stepper motor. Basing on these, the control-system of folding machine is designed. It is through the AT89C52 MPU and the corresponding circuit of periphery to control the two stepper motors. So it can drive the feeding roller and the paper roller to overlay in accordance with the predefined size. The system achieves the automation of folding. It not only reduces the labor, but also improves the efficiency and accuracy of folding. It has a very broad application prospect.

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37

Yansuo, Zhou, Leng Yonggang, Lu Wenqi, Li Yu, Li Qingmian, and Wu Di. "Research on a High-Speed and Heavy-Duty Closed-Loop Drive System of a Two-Phase Hybrid Stepping Motor Based on a Hybrid Controller." Wireless Communications and Mobile Computing 2021 (August 20, 2021): 1–13. http://dx.doi.org/10.1155/2021/2515820.

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Анотація:

Low load capacity and poor positioning accuracy of stepper motors in high-speed operation are currently two of the bottlenecks that limit their application in high-speed and heavy-duty drive applications. To solve this problem, a hybrid controller is proposed for the high-speed heavy-duty closed-loop stepper motor driving system, which includes two core contents. First, for the position control, a hybrid controller based on position error for open-loop/closed-loop automatic switching-combined spatial current given amplitude and angle automatic adjustment is proposed. Secondly, an advanced angle compensation strategy based on error-integrated feedforward is adopted to compensate for the electrical angle of the combined space current vector. To verify the effectiveness of the proposed method, theoretical analysis and system development as well as testing are carried out. Compared with the traditional open-loop drive system, results show that the maximum operating speed and maximum torque of the newly developed drive system based on the proposed method are improved by 50% and 81.25%, respectively. And at the same set speed and position, the response speed is faster and the accuracy of the steady-state process is higher. In the case of setting higher running speed and load torque, the drive system also maintains high-precision operation.

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38

Бухтояров, Leonid Bukhtoyarov, Лысыч, Mikhail Lysych, Туровский, and Yaroslav Turovskiy. "Research of the automated drive of manual hydraulic valves of the manipulator." Forestry Engineering Journal 6, no. 4 (May 3, 2017): 194–201. http://dx.doi.org/10.12737/23457.

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Анотація:

The authors offer an automated drive design based on stepper motor which is mounted directly on the hydraulic control valve with manual control. This approach eliminates rework most of the hydraulic system, which significantly reduces the cost and the complexity of the process of modernization. When the drive was planning to use the medium-aided design SolidWorks. Within the theoretical research car-ried out kinematic and dynamic issledovaniyaprotsessa with joystick control. For this purpose calculated 3D-drive model with a directional control valve and the application for engineering calculations Solid-Works Simulation.

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39

Huang, Helen J., and Daniel P. Ferris. "Neural coupling between upper and lower limbs during recumbent stepping." Journal of Applied Physiology 97, no. 4 (October 2004): 1299–308. http://dx.doi.org/10.1152/japplphysiol.01350.2003.

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Анотація:

During gait rehabilitation, therapists or robotic devices often supply physical assistance to a patient's lower limbs to aid stepping. The expensive equipment and intensive manual labor required for these therapies limit their availability to patients. One alternative solution is to design devices where patients could use their upper limbs to provide physical assistance to their lower limbs (i.e., self-assistance). To explore potential neural effects of coupling upper and lower limbs, we investigated neuromuscular recruitment during self-driven and externally driven lower limb motion. Healthy subjects exercised on a recumbent stepper using different combinations of upper and lower limb exertions. The recumbent stepper mechanically coupled the upper and lower limbs, allowing users to drive the stepping motion with upper and/or lower limbs. We instructed subjects to step with 1) active upper and lower limbs at an easy resistance level (active arms and legs); 2) active upper limbs and relaxed lower limbs at easy, medium, and hard resistance levels (self-driven); and 3) relaxed upper and lower limbs while another person drove the stepping motion (externally driven). We recorded surface electromyography (EMG) from six lower limb muscles. Self-driven EMG amplitudes were always higher than externally driven EMG amplitudes ( P < 0.05). As resistance and upper limb exertion increased, self-driven EMG amplitudes also increased. EMG bursts during self-driven and active arms and legs stepping occurred at similar times. These results indicate that active upper limb movement increases neuromuscular activation of the lower limbs during cyclic stepping motions. Neurologically impaired humans that actively engage their upper limbs during gait rehabilitation may increase neuromuscular activation and enhance activity-dependent plasticity.

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40

Rifa’i, Muhamad, Herwandi ., Hari Kurnia Safitri, and Abrar Kadafi. "Scaling data PLC sebagai pengontrol motor stepper penggerak ulir extruder." JURNAL ELTEK 19, no. 2 (October 29, 2021): 80. http://dx.doi.org/10.33795/eltek.v19i2.305.

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Анотація:

Scaling data PLC untuk penggerak motor stepper pada sistem extruder memengaruhi bentuk produk yang dihasilkan saat proses ekstrusi melalui kecepatan putar dan torsi motor. Produk hasil cetakan akan gagal jika kecepatan putar motor stepper terlalu cepat atau lambat karena pengaruh torsi motor yang bekerja. Dibutuhkan pembatasan kecepatan putar motor stepper menjadi beraturan untuk menghindari kegagalan proses ekstrusi. Tujuan penelitian ini adalah mendesain scaling setpoint dan kecepatan putar motor (rpm) beserta torsi motor (Nm) untuk kontrol torsi motor melalui kecepatan putar motor stepper. Metode yang digunakan adalah eksperimen kuantitatif data scaling dengan menggunakan persamaan matematis scaling setpoint, kecepatan putar motor (rpm) dan torsi motor (Nm). Data hasil didapatkan melalui pengujian simulasi persamaan matematis scaling pada PLC dengan sampel input periode pulsa setpoint antara 100us sampai 1000us. Hasil pengujian dengan daya motor 24Watt menunjukkan kecepatan putar motor stepper antara 49,3rpm sampai 9,4rpm berbanding terbalik dengan torsi motor stepper antara 0,49Nm sampai 2,55Nm. Pada setpoint 800us didapatkan hasil scaling setpoint 820us nilai error sebesar 2,5%, cukup ideal diaplikasikan dengan kecepatan putar 11,4rpm serta torsi 2,1Nm untuk menjalankan extruder dimensi kecil. PLC data scaling for stepper motor drive in extruder system affects the shape of product produced during extrusion process through motor rotational speed and torque. Printed product will fail if rotational speed of stepper motor is too fast or slow due the working torque influence of the motor. It is necessary to limit rotational speed of stepper motor to be regular to avoid failure of extrusion process. The purpose of this research is design scaling setpoint and motor rotational speed (rpm) along with motor torque (Nm) to control motor torque through stepper motor rotational speed. Method used is quantitative experimental data scaling using mathematical equations of scaling setpoint, motor rotational speed (rpm) and motor torque (Nm). Result data is obtained by simulation testing the scaling mathematical equation on PLC with input samples of the setpoint pulse period between 100us to 1000us. Test results with 24Watt motor power show that stepper motor rotational speed is between 49.3rpm to 9.4rpm and inversely proportional to stepper motor torque between 0.49Nm until 2.55Nm. At 800us setpoint, the 820us setpoint scaling results in error value of 2.5%, which is ideal for application with rotational speed of 11.4rpm and torque of 2.1Nm to run small-dimensional extruder.

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41

Platin, B. E., and B. Çelik. "Modelling and Analysis of a Stepper Motor Driven Feed-Drive System of a CNC Lathe." IFAC Proceedings Volumes 20, no. 4 (July 1987): 237–41. http://dx.doi.org/10.1016/s1474-6670(17)55860-7.

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42

Zhang, Xi, Da Long Wang, Xin Xing Liu, Miao Yu, Peng Xia, and Yan Yan Wang. "Design of Lifting System in Seals of the Hydraulic Support Eccentric Loading Test Bench Based on PLC and Stepper Motor." Advanced Materials Research 889-890 (February 2014): 902–5. http://dx.doi.org/10.4028/www.scientific.net/amr.889-890.902.

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Анотація:

Make use of programmable logic controller (PLC) to control stepper motor to drive the lift of seals of the hydraulic support eccentric loading test bench, in order to make the test bench meet the demand of eccentric loading. Using the Mitsubishi FX series PLC as an example, introduce the methods and principles and realization of lifting action.

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43

Xu, Yi Wei, Qing Li, Peng Hu, Nan Ying Shentu, and Quan Yuan Peng. "A Device Developed for Soil Shear Strength Measurement." Applied Mechanics and Materials 635-637 (September 2014): 643–47. http://dx.doi.org/10.4028/www.scientific.net/amm.635-637.643.

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Soil shear strength is an important physical performance of rock and soil, so the soil shear strength measurements play an important role in monitoring and prevention for landslide hazard point. In order to achieve on-site monitoring of landslide hazard points, this article presents a device for field measurement on soil shear strength, The device consists of cross board, torque sensor, stepper motor, single-chip hardware circuit and other components. When measuring,the single chip microcomputer (SCM) control stepper motor to drive the cross board sheared in the soil, through the coaxial plate shear force torque sensor on the cross board to measure the torque signal ,then the torque signals are transmitted to SCM, the SCM for data processing to calculate the soil shear strength.

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44

Rybarczyk, Dominik. "Concept and modelling of the electrohydraulic valve with DC and stepper motors." MATEC Web of Conferences 252 (2019): 06003. http://dx.doi.org/10.1051/matecconf/201925206003.

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Анотація:

The article describes concept and modelling of a new type of electrohydraulic valve controlled by the combination of a stepper motor and a DC motor. The aim of this invention is to use in the proportional valve two motors with the different properties. Both motors are responsible for the movement of a valve spool. The stepper motor and the DC motor are connected to a shaft by using a bellows coupling. Transfer from rotary to linear motion is performed by use of a bolt-nut system. According to the invention, presented here valve can be used in hydraulic drive systems with high positioning accuracy requirement. The author was granted a patent no. P.421994 on the invention described in this paper.

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45

Nazarova, Elena S., Vladimir V. Osadchii, and Sergej Ju Tobolkin. "INVESTIGATION OF POSITION ELECTRIC DRIVE BASED ON STEPPER MOTOR IN MICROSTEPPING MODE." ELECTRICAL AND COMPUTER SYSTEMS 19, no. 95 (July 2, 2015): 24–27. http://dx.doi.org/10.15276/eltecs.19.95.2015.06.

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46

Vanin, V. А., А. N. Коlodin, and I. V. Оblitsov. "Building Internal (Formative) Chains of Machine Tools Based on Hydraulic Drive Stepper." Vestnik Tambovskogo gosudarstvennogo tehnicheskogo universiteta 21, no. 3 (2015): 504–12. http://dx.doi.org/10.17277/vestnik.2015.03.pp.504-512.

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47

Bãluṭă, Gheorghe, and Ştefan Resmeriṭă. "Considerations Concerning the Speed Control of Electrical Drive Systems with Stepper Motors." IFAC Proceedings Volumes 30, no. 27 (October 1997): 455–60. http://dx.doi.org/10.1016/s1474-6670(17)41226-2.

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48

Emelyanov, R. T., A. S. Klimov, I. B. Olenev, E. S. Turysheva, and A. I. Avlasevich. "Investigation of the dynamics of the manipulator drive with a stepper motor." Journal of Physics: Conference Series 1515 (April 2020): 042043. http://dx.doi.org/10.1088/1742-6596/1515/4/042043.

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49

Жирков, Александр, Aleksandr Zhirkov, Андрей Киричек, Andrey Kirichek, Светлана Федонина, and Svetlana Fedonina. "Current tendencies in modular equipment creation." Bulletin of Bryansk state technical university 2015, no. 4 (December 30, 2015): 100–107. http://dx.doi.org/10.12737/17145.

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Анотація:

A current tendency in the creation of widespread destination equipment by means of used in the design bulk exacting modules of guides, gearing parts, electromechanical drive, stepper motors and servomotors is considered. The prospects of manufacturing the modular machine base elements made of organic concrete, ensuring an essential level of automation at the expense of equipping with accessible open systems with numerical control are emphasized.

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50

Angadi, Sachin, Satyanarayana Kumari B, and H. V. Saikumar. "Pulse Width Modulated FPGA Based Digital Controller For Microstepping Stepper Motor Drive For Solar-Array Drive In Satellites." i-manager's Journal on Instrumentation and Control Engineering 1, no. 2 (April 15, 2013): 14–18. http://dx.doi.org/10.26634/jic.1.2.2232.

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