A sliding mode-based approach to motion cueing for virtual reality gaming using motion simulators

Sharma, Aman; Ikbal, Mohamed Sadiq; Cuong, Duc Trinh; Zoppi, Matteo

doi:10.1007/s10055-020-00439-5

Cited by 5 publications

(3 citation statements)

References 15 publications

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“…This paper categorized these robotic machines based on their working principles and the number of DoF that they provide to facilitate smooth translational and rotational positioning in the 3d space. Furthermore, the Adaptive washout lter [6], [18][21] Optimal washout lter [22] OpDA algorithm [23] Sliding mode-based cueing [24][26], [31] Model predictive control [27] [29] Time-varying model predictive control [30], [32] Nonlinear model predictive control [33] Neural network [34] Fuzzy control system…”

Section: Discussionmentioning

confidence: 99%

“…The aims of the classical sliding mode control technique are to control the state variables of an electro-mechanical system in such a way that they reach the sliding surface in the state space and then continue to slide along it to reach the origin (s = 0). This denition is adopted [23] and is utilized for the motion cueing purpose. The simulator thus has two operating modes.…”

Section: E Sliding Mode-based Cueingmentioning

confidence: 99%

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A Review of Dynamic Vehicular Motion Simulators: Systems and Algorithms

et al. 2023

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Vehicular motion simulators have evolved to become an important contributor to major industries, including defense, aerospace, and vehicle manufacturing. During the past few decades, many eorts have been made towards developing robust, adaptive motion simulators with the highest level of delity and realism. Thus, it is important to recollect, in order to evaluate the current state of complex robotic systems, encouraging careful planning of further improvements in the future. This article focuses on the current motion simulators' structural designs and working principles alongside the currently developed motion control algorithms to achieve the highest delity. Furthermore, within the era of industry 4.0 and the fast-paced merging of technologies into key industries, some suggestions are made for future works which it is believed are worth investigating to provide robustness and adaptivity to the control of simulation systems, improving their delity and realism alongside reducing motion sickness experienced by the simulator operator.

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Section: Discussionmentioning

confidence: 99%

Section: E Sliding Mode-based Cueingmentioning

confidence: 99%

A Review of Dynamic Vehicular Motion Simulators: Systems and Algorithms

et al. 2023

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“…Recently, new augmented reality (AR) and virtual reality (VR) systems toward realizing highly immersive games and aircraft pilot simulators, and industrial virtual training systems for sheet metal bending and welding have been developed owing to the rapid development of VR glasses. (1,2) These AR/VR simulators and training systems require a motion sensor that is capable of sensing human body motions, such as those of the fingers, hands, and feet. Currently, data gloves that detect human hand motion are used, (3,4) but these gloves are thicker than 5 mm, hard, and have low sensitivity.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Highly Stretchable Strain Sensor Fiber by Laser Slitting of Conductive-polymer-coated Polyurethane Film for Human Hand Monitoring

Takamatsu¹,

Minami²,

Itoh³

2021

Sensors and Materials

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In the research field of virtual and augmented reality (VR/AR), a highly stretchable sensor fiber that can easily be integrated into a sensor glove or finger cot has been required for detecting human hand motions. In this study, we propose a fiber-type highly stretchable strain sensor by slitting an elastic polyurethane (PU) film coated with a conductive polymer of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS). A 100-μm-thick PU film coated with 100-nm-thick PEDOT:PSS was slit by a laser cutter with a spot diameter of 125 μm. The width of the sensor fiber was only 214 μm, which is equivalent to a conventional thin 205-μm-diameter fishing line. To investigate the strain sensitivity of the PEDOT:PSScoated fiber sensor at high stretching (>30%), we evaluated the gauge factor as a function of the concentration of ethylene glycol (EG) in PEDOT:PSS solution. The PEDOT:PSS strain sensor fiber with an EG concentration of 0.75% under 37.5% tensile stretching exhibited the highest gauge factor of 0.16. Finally, the sensors were integrated with thin woven fibers using a flat weave method, and the bending movement of a human finger was detected. The manufacturing method proposed in this study is expected to contribute to the realization of a stretchable strain sensor by the use of a wearable polymer die coating and a slitting apparatus.

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