Hybrid stepper motor and its controlling techniques a survey

Khan, Talha Ahmed; Taj, T. A.; Ijaz, Imran

doi:10.1109/elconrusnw.2014.6839207

Cited by 7 publications

(5 citation statements)

References 20 publications

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“…The input pulses dictate the direction, angle, and speed of rotation. The stepper motors can be classified into three types according to the construction: variable reluctance, permanent magnet, and hybrid [27]. The variable reluctance type has a toothed rotor and stator, whereas in the permanent magnet type, the toothed rotor is replaced by a permanent magnet [27,28].…”

Section: Stepper Motormentioning

confidence: 99%

“…The stepper motors can be classified into three types according to the construction: variable reluctance, permanent magnet, and hybrid [27]. The variable reluctance type has a toothed rotor and stator, whereas in the permanent magnet type, the toothed rotor is replaced by a permanent magnet [27,28]. The hybrid type is a combination of these two, where the rotor is a toothed-type magnet providing higher torque with smaller steps [28,29].…”

Section: Stepper Motormentioning

confidence: 99%

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Performance Improvement of a Limaçon Gas Expander Using an Inlet Control Valve: Two Case Studies

Hossain,

Sultan,

Phung

et al. 2024

Energies

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Renewable energy-based compact energy-generation systems based on the organic Rankine cycle (ORC) can be employed to meet the ever-growing thirst for affordable and clean energy. The overall performance and effectiveness of ORC systems are constrained by the low efficiency of the gas expander, specifically the positive displacement expander, which is responsible for energy conversion from the working fluid. This low-efficiency scenario can be significantly improved by employing a control valve to regulate and restrict the flow of the working fluid into the expander. A control valve can effectively curve the loss of costly compressed and energized working fluids by allowing them to expand in the expander chamber before discharging through the outlet port. They can thus be used to regulate the amount of energy yield and output power. In this work, two direct drive rotary valves (DDRVs) operated by a stepper motor (SM-DDRV) and rotary solenoid (RS-DDRV) are suggested, and the behavior of the valves is examined. The effect of friction and temperature on the valve response is also studied. Additionally, the effect of inlet control valves on the overall system performance of the limaçon expander is assessed. Thermodynamic properties such as the isentropic efficiency and filling factor are also computed. The effect of leakage due to valve response delay is analyzed at different inlet pressures. The performance indices are compared to the expander performance without any inlet valve. The SM-DDRV setup results in a 14.86% increase in isentropic efficiency and a 220% increase in the filling factor, whereas the RS-DDRV performs moderately with a 2.58% increase in isentropic efficiency and an 80% increase in the filling factor compared to a ported expander. The SM-DDRV provides better performance indices compared to the RS-DDRV and without valve setups. However, the performance of the limaçon expander with the SM-DDRV is sensitive to the inlet pressure and degrades at higher pressure. Overall, the valves proposed in this work present key insights into improving the performance characteristics of gas expanders of ORC systems.

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Section: Stepper Motormentioning

confidence: 99%

Section: Stepper Motormentioning

confidence: 99%

Performance Improvement of a Limaçon Gas Expander Using an Inlet Control Valve: Two Case Studies

Hossain,

Sultan,

Phung

et al. 2024

Energies

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show abstract

“…The number of steps per revolutions for a 0,72° full-step motor in half-stepping mode is 1000, which is in the lower range of the resolution of the digitalized-output incremental encoders. There are three types of stepping motors: variable reluctance, permanent magnet, and hybrid [1].…”

Section: The Basic Characteristics Of Stepping Motor Drivesmentioning

confidence: 99%

“…Variable reluctance (VR) stepping motors have teeth both on the stator and the rotor [1]. They do not contain any permanent magnet.…”

Section: Variable Reluctance Stepping Motor Drives 21 Basic Typesmentioning

confidence: 99%

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The Special Characteristics of Stepping Motor Drives and a New Type of Classification

2016

APH

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Stepping motor drives are widely used for positioning applications due to their easy controllability and straightforward connectivity to digital electronics. One of their greatest advantages is the possibility to perform positioning without requiring a closedloop position control system. Stepping motor drives have special characteristics and therefore are considered as special types of electric drives. In this paper, these special characteristics are presented, along with a new type of classification. This classification is based on both the presented special characteristics (construction, etc.) and a newly derived equation called the fundamental equation of stepping motor drives. It is also shown in this paper that based on the new classification stepping motor drives can be divided into two subcategories: synchronous-type and asynchronous-type steppers. These subcategories are based on their similarities to traditional synchronous-and asynchronous (induction) motor drives. Also, the basic equations of the presented stepping motor drives will be derived from the fundamental equation of stepping motor drives. Therefore, this new type of classification is well applicable for both scientific analysis and educational purposes.

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A novel approach to precisely control linear movement of sensor by motor using microstepping

Upadhyaya

Israni

Jasani

et al. 2016

2016 IEEE Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER)

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Hybrid stepper motor and its controlling techniques a survey

Cited by 7 publications

References 20 publications

Performance Improvement of a Limaçon Gas Expander Using an Inlet Control Valve: Two Case Studies

Performance Improvement of a Limaçon Gas Expander Using an Inlet Control Valve: Two Case Studies

The Special Characteristics of Stepping Motor Drives and a New Type of Classification

A novel approach to precisely control linear movement of sensor by motor using microstepping

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