Torque modeling and characteristic analysis of electromagnetic piezoelectric hybrid-driven 3-degree-of-freedom motor

Li, Zheng; Guo, Peng; Han, Ruihua; Wang, Qunjing

doi:10.1177/1687814018804743

Cited by 11 publications

(7 citation statements)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Because of the existence of harmonics, the waveform appears as a flat-top wave near the sinusoidal wave. It can be seen from the graph that the gap density reaches its maximum value at the N and S alternation; that is, the utilization of a magnetic field is strong here [10,11].…”

Section: Magnetization Methodsmentioning

confidence: 99%

“…Because of the existence of harmonics, the waveform app a flat-top wave near the sinusoidal wave. It can be seen from the graph that the ga sity reaches its maximum value at the N and S alternation; that is, the utilization of netic field is strong here [10,11]. In Figures 6 and 7, the component variation in air gap magnetic density und magnetization is analyzed, which is composed of three peaks and valleys.…”

Section: Magnetization Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Structural Design and Analysis of Hybrid Drive Multi-Degree-of-Freedom Motor

Zhao

Chen

et al. 2022

Micromachines

Self Cite

View full text Add to dashboard Cite

Piezoelectric-driven multi-degree-of-freedom motors can turn off self-lock, withstand high and low temperatures, are small in size and compact in structure, and can easily achieve miniaturization. However, they have a short life cycle and limited applications. In addition, high-intensity operation will result in a decrease in their stability. Electromagnetic-driven multi-degree-of-freedom motors, on the other hand, are simple and highly integrated, but they are large in volume and lack positioning accuracy. Therefore, combining the two drive modes can achieve complementary advantages, such as improving the motor’s torque, accuracy, and output performance. Firstly, the structure of the hybrid drive motor is introduced and its working principle is analyzed. The motor can achieve single and hybrid drive control, which is beneficial to improving the performance of the motor. Secondly, the influence of magnetization mode, permanent magnet thickness, slot torque, and stator mode on the motor is analyzed. Thirdly, the structure of the motor is determined to be 6 poles and 15 slots, the thickness of the permanent magnet is 12 mm, and the radial magnetization mode is used. Finally, the mixed torque and speed of the motor in the multi-degree-of-freedom direction are tested by experiments, which indirectly verifies the rationality of the structure design.

show abstract

Section: Magnetization Methodsmentioning

confidence: 99%

Section: Magnetization Methodsmentioning

confidence: 99%

Structural Design and Analysis of Hybrid Drive Multi-Degree-of-Freedom Motor

Zhao

Chen

et al. 2022

Micromachines

Self Cite

View full text Add to dashboard Cite

show abstract

“…where, E is the Young's modulus of the friction layer. By solving the first type of Fredholm equation and solving the boundary conditions [27][28][29], the rotor contact force distribution is as follows:…”

Section: Piezoelectric Stator and Rotor Contact Analysismentioning

confidence: 99%

“…Then, the electromagnetic torque generated by the dl micro-element is calculated, and the torque micro-element is integrated to obtain the torque generated by the single coil. Finally, the rotation torque of the electromagnetic stator drive is obtained [29]:…”

Section: Electromagnetic Drive Modelingmentioning

confidence: 99%

Design and Analysis of Electromagnetic-Piezoelectric Hybrid Driven Three-Degree-of-Freedom Motor

Guo

Wang

et al. 2020

Sensors

Self Cite

View full text Add to dashboard Cite

Multi-DOF movement actuators are widely used in industry, mainly in the fields of bionics and precision machining. With the non-stop improvement of modern-day industry, the requirements for the precision, integration and flexibility of multi-degree-of-freedom motion actuators in the industrial field have progressively increased. This paper presents a novel electromagnetic–piezoelectric hybrid driven three-degree-of-freedom motor. The driving method of the hybrid drive motor can be divided into electromagnetic driving and piezoelectric driving. The motor structure and working principle are analyzed. The structural parameters are obtained by modal analysis of the stators and rotor. The rationality of the stator structure is proved by using the transient analysis of the piezoelectric stators. The magnetic field characteristics of the motor are analyzed by both analytical method and the finite element method. The contact pressure and displacement between the piezoelectric stator and the rotor are analyzed by the analytical method. A motor drive model is established, which provides the basis for motor optimization design and control. Finally, a motor prototype and its test platform were built, and the experimental results are presented to verify the rationality of the motor design.

show abstract

“…Figure18. Friction distribution of contact layer of stator S3 when asymmetric excitation voltage is applied.…”

mentioning

confidence: 99%

Electromagnetic piezoelectric hybrid driven multi-DOF motor contact model considering drive and load state

Zhao

Guo

et al. 2021

Science Progress

Self Cite

View full text Add to dashboard Cite

This paper proposes a new research method in view of the rare research on the contact state of hybrid drive multi-degree-of-freedom motor. Firstly, the basic principle and structure of hybrid drive motor are introduced. The air gap magnetic field model and electromagnetic torque model of permanent magnet rotor are obtained by analytical method. Static analysis of piezoelectric stators are carried out by stress-strain relationship. According to the analytical method and the spatial geometric relationship, the piezoelectric driving torque under different driving conditions is obtained. Introducing Hertz contact theory and Mindlin theory, combined with piezoelectric driving torque, electromagnetic driving torque and load torque to analyze the friction situation. A friction interface model considering the dynamic nonlinearity of friction coefficient and the nonlinear change of friction force distribution is established. Finally, using Matlab software, the friction distribution diagram of the contact surface of the hybrid drive three-degree-of-freedom motor under different driving and motion states is obtained. The analysis results verify the rationality of the electromagnetic piezoelectric hybrid driven three-degree-of-freedom motor. It shows that the contact state of the three sets of piezoelectric stators are determined according to the driving condition and load, the relative speed of the piezoelectric stators and the spherical rotor is proportional to the frictional force. It provides an idea for the research of contact state of hybrid drive multi-degree-of-freedom motor, and also lays a basis for further optimizing the friction interface of this kind of motors or actuators.

show abstract

Torque modeling and characteristic analysis of electromagnetic piezoelectric hybrid-driven 3-degree-of-freedom motor

Cited by 11 publications

References 24 publications

Structural Design and Analysis of Hybrid Drive Multi-Degree-of-Freedom Motor

Structural Design and Analysis of Hybrid Drive Multi-Degree-of-Freedom Motor

Design and Analysis of Electromagnetic-Piezoelectric Hybrid Driven Three-Degree-of-Freedom Motor

Electromagnetic piezoelectric hybrid driven multi-DOF motor contact model considering drive and load state

Contact Info

Product

Resources

About