Contactless Haptic Display Through Magnetic Field Control

Lu, Xiong; Yan, Yuxing; Qi, Beibei; Huang, Qian; Sun, Junbin; Quigley, Aaron

doi:10.1109/toh.2022.3151673

Cited by 6 publications

(4 citation statements)

References 50 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Although previous studies have proposed passivetype actuators, such as those using magnetic force or a laser as a remote driving source, our actuators have two advantages over them: a large workspace and high responsiveness. Lu et al developed a magnetic force-driven passive haptic actuator, and its workspace was limited to the inside of a cylindrical electromagnet with an inner diameter of 115 mm [13]. Hiraki et al developed a liquid-to-gas phase change actuator remotely driven by a laser.…”

Section: Ultrasoundmentioning

confidence: 99%

“…For more complex haptic shape presentation, controllable magnetic force fields have been proposed. [19], a large flat coil [20], and a cylinder-shaped coil [13] to create a magnetic force field. Such remote actuation by electromagnetic force has been applied to small transport robots as well as to tactile presentation [21].…”

Section: A Passive Actuator Driven By Remote Energy Supplymentioning

confidence: 99%

See 1 more Smart Citation

UltLever: Ultrasound-Driven Passive Haptic Actuator Based on Amplifying Radiation Force Using a Simple Lever Mechanism

Morisaki,

Kamigaki,

Fujiwara

et al. 2024

IEEE Trans. Haptics

View full text Add to dashboard Cite

A lightweight haptic display that does not interfere with the user's natural movement is required for an immersive haptic experience. This study proposes a lightweight, powerful, and responsive passive haptic actuator driven by airborne focused ultrasound. This 6.2 g completely plastic passive device amplifies an applied ultrasound radiation force by a factor of 35 using a simple lever mechanism, presenting an amplified force of 0.7 N to the user's finger pad. 2-30 Hz vibration can also be presented. Since the radiation force is presented at the speed of sound, the amplified force is presented at high speed even with the high amplification rate of a lever, achieving such strong force and vibration presentation. Physical measurements showed that the amplified force was 0.7 N for the 20.48 mN input radiation force, and the amplitude of the presented vibration was over 0.1 N at 2-30 Hz. A psychophysical experiment showed that the vibration and force were perceivable with a device output level of -7.7 dB. In the future, we will explore methodologies around device design to present desired tactile sensations.

show abstract

Section: Ultrasoundmentioning

confidence: 99%

Section: A Passive Actuator Driven By Remote Energy Supplymentioning

confidence: 99%

UltLever: Ultrasound-Driven Passive Haptic Actuator Based on Amplifying Radiation Force Using a Simple Lever Mechanism

Morisaki,

Kamigaki,

Fujiwara

et al. 2024

IEEE Trans. Haptics

View full text Add to dashboard Cite

show abstract

“…The driving methods of force feedback equipment include electromagnetic, pneumatic, hydraulic and motor-based systems [ 16 ]. Lu et al designed a non-contact two-dimensional haptic rendering system based on electromagnetic force control [ 17 ]. By adjusting the current of the two-dimensional controllable background electromagnet, electromagnetic forces in the x and y directions are generated on the permanent magnets worn on the fingertips.…”

Section: Introductionmentioning

confidence: 99%

A Wearable Fingertip Force Feedback Device System for Object Stiffness Sensing

Wu,

Ren,

Cao

et al. 2024

Micromachines

View full text Add to dashboard Cite

Virtual reality technology brings a new experience to human-computer interaction, while wearable force feedback devices can enhance the immersion of users in interaction. This paper proposes a wearable fingertip force feedback device that uses a tendon drive mechanism, with the aim of simulating the stiffness characteristics of objects within virtual scenes. The device adjusts the rotation angle of the torsion spring through a DC motor, and then uses a wire to convert the torque into a feedback force at the user’s index fingertips, with an output force of up to 4 N and a force change rate of up to 10 N/s. This paper introduces the mechanical structure and design process of the force feedback device, and conducts a mechanical analysis of the device to select the appropriate components. Physical and psychological experiments are conducted to comprehensively evaluate the device’s performance in conveying object stiffness information. The results show that the device can simulate different stiffness characteristics of objects, and users can distinguish objects with different stiffness characteristics well when wearing the force feedback device and interacting with the three-dimensional virtual environments.

show abstract

“…A microscale robotic system can be defined as a set of coupled systems for wireless power transfer and untethered microscale rig. The wireless power transfer can be realized by exploiting different means of sources: ultrasound [9,10], electric fields [11] and magnetic fields [12]. The magnetic fields are shown to be more versatile than the other actuators in terms of simplicity and efficiency of the operations [13].…”

Section: Introductionmentioning

confidence: 99%

Comparison of PCB Based Actuator Coils for Untethered Actuation

Akkus,

Çetin

2023

IJRCS

View full text Add to dashboard Cite

Recently magnetic actuation has become a versatile tool for manipulation on both the micro and macro scale. Due to the problems arising from scale, conventional electromagnet production methods are insufficient to produce the desired electromagnets to be used for this purpose. To solve the problems arising from this situation, researchers have been forced to work in alternative electromagnet production and application areas and paved the way for PCB-based electromagnetic actuators. For this reason, this article will explain the design principles of PCB planar coils for electromagnetic actuator applications and will provide the basis for later studies to create a coil matrix using this coil design and an actuator that can move ferromagnetic particles or magnets in the plane with this 2D coil matrix. The presented project design steps can be listed as follows; First of all, to be able to design a coil that consists of copper paths on the PCB and can meet expectations (homogeneous magnetic field, high magnetic force/current ratio). PCB coils consisting of square, circular and hexagonal coils are manufactured and various measurements are made. The measured results are consistent with the simulated results proving the accuracy and applicability of PCB coil actuators, and they are highly suitable for a new actuator version. In the tests carried out, coils energized with 1A can provide a maximum field strength of 1400 (A/m) and an average of 900 (A/m) and due to the lack of magnetic core, the created magnetic field has the shape of a bell. In order to overcome this situation, it is foreseen that making studies to increase the working current and, as a more important development, switching from the planar single-layer structure to the structure of two or more layers can increase the magnetic field produced by this type of coils, but this layer increase should take into account the cost and PCB production and application capabilities. should be made available.

show abstract

Contactless Haptic Display Through Magnetic Field Control

Cited by 6 publications

References 50 publications

UltLever: Ultrasound-Driven Passive Haptic Actuator Based on Amplifying Radiation Force Using a Simple Lever Mechanism

UltLever: Ultrasound-Driven Passive Haptic Actuator Based on Amplifying Radiation Force Using a Simple Lever Mechanism

A Wearable Fingertip Force Feedback Device System for Object Stiffness Sensing

Comparison of PCB Based Actuator Coils for Untethered Actuation

Contact Info

Product

Resources

About