Simple Electro-Mechanical Model of Magnetic Spring Realized from FeNdB Permanent Magnets

Novák, Miroslav; Cernohorsky, Josef; Košek, Miloslav

doi:10.1016/j.proeng.2012.09.541

Cited by 6 publications

(3 citation statements)

References 5 publications

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“…Magnets tend to produce magnetic fields, pulling in ferromagnetic materials such as iron and steel and attracting or repelling other magnets. This natural phenomenon provides a driving force; in fact, magnet springs with magnet-magnet combinations have been used as passive element-for example, in vehicle suspension [11] and vibration isolation [12]-and an electromechanical model has also been developed [13] for this design.…”

Section: A Using Magnetic Flux As a Springmentioning

confidence: 99%

Increasing Variable Stiffness Actuator-Response Using an Electromagnetic Spring

Yang

Jang

Kooij

2019

2019 IEEE 4th International Conference on Advanced Robotics and Mechatronics (ICARM)

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An electromagnetic spring-based variable stiffness actuator is a new concept with the potential to change stiffness faster than mechanical springs can; however, its nonlinear elastic property is a challenge in actuator design. In this paper, the torque response of a custom-made electromagnetic spring was studied using a ramping force test and electromagnetic simulation. A two-zone linear region, from 0° to 2° and 2° to 6.5°, was observed and explained through magnetic flux simulation to provide insight into the fundamentals of the electromagnetic spring. An unusual impedance response was also noted from this regional linearity, appeared on a step gain in Bode plot of end-point impedance in a dynamic test.

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Section: A Using Magnetic Flux As a Springmentioning

confidence: 99%

Increasing Variable Stiffness Actuator-Response Using an Electromagnetic Spring

Yang

Jang

Kooij

2019

2019 IEEE 4th International Conference on Advanced Robotics and Mechatronics (ICARM)

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“…That's why, the mechanical oscillating systems [9][10][11] having springs, dash-pot, or impact [12][13][14], and magnetic interactions [6] show some fascinating phenomena. The neodymium magnetic systems have a wide range of applications in the field of mechanical engineerings, such as in vibration energy harvester [15,16], special textile machines [17], magnetic impact damper [16], etc.…”

Section: Introductionmentioning

confidence: 99%

Equivalent Electronic Circuit of a System of Oscillators Connected With Periodically Variable Stiffness

Seth¹,

Kudra²,

Witkowski³

et al. 2022

Preprint

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In this paper, we have shown the electronic circuit equivalence of a mechanical system consists of two oscillators coupled with each other. The mechanical design has the effects of the magnetic, resistance forces and the spring constant of the system is periodically varying. We have shown that the system’s state variables, such as the displacements and the velocities, under the effects of different forces, lead to some nonlinear behaviors, like a transition from the fixed point attractor to the chaotic attractor through the periodic and quasi-periodic attractors. We have constructed the equivalent electronic circuit of this mechanical system and have verified the numerically obtained behaviors using the electronic circuit.

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Section: Introductionmentioning

confidence: 99%

Equivalent Electronic Circuit of a System of Oscillators Connected with Periodically Variable Stiffness

et al. 2022

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In this paper, we have shown an electronic circuit equivalence of a mechanical system consisting of two oscillators coupled with each other. The mechanical design has the effects of the magnetic spring force resistance force, and the spring constant of the system is periodically varying. We have shown that the system’s state variables, such as the displacements and the velocities, under the effects of different forces, lead to some nonlinear behaviors, like a transition from the fixed point attractors to the chaotic attractors through the periodic and quasi-periodic oscillations. We have verified those numerically obtained phenomena using the analog electronic circuit of this mechanical system.

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Simple Electro-Mechanical Model of Magnetic Spring Realized from FeNdB Permanent Magnets

Cited by 6 publications

References 5 publications

Increasing Variable Stiffness Actuator-Response Using an Electromagnetic Spring

Increasing Variable Stiffness Actuator-Response Using an Electromagnetic Spring

Equivalent Electronic Circuit of a System of Oscillators Connected With Periodically Variable Stiffness

Equivalent Electronic Circuit of a System of Oscillators Connected with Periodically Variable Stiffness

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