Objective: The relationship between muscle activation during motor tasks and cerebral cortical activity remains poorly understood. aim of this study was to investigate the correlation brain network connectivity non-linear characteristics changes different levels isometric contractions. Methods: Twenty-one healthy subjects were recruited asked perform elbow contractions in both dominant non-dominant sides. Blood oxygen concentrations from functional Near-infrared Spectroscopy (fNIRS) surface...

Due to the importance of rotating machinery as one most widely used industrial element, development a proper monitoring and fault diagnosis technique prevent malfunction failure machine during operation is necessary. This paper presents method for gearbox based on feature extraction technique, distance evaluation support vector machines (SVMs) ensemble. The consists three stages. Firstly, features raw data are extracted through wavelet packet transform (WPT) time-domain statistical features....

This paper proposes a new teleoperated telepresence robot system with high-fidelity haptic feedback for interaction work, such as pre-operation of explosive ordnance disposal (EOD). The includes master device and slave collaborative robot. enables the human operator to feel operation procedure when performing environmental task. system's kinematics dynamics models are derived, laying foundation control scheme design. To meet requirements EOD missions, hybrid motion mapping method including...

This study aims to develop a system instantly detect traffic condition by using computer vision with RFID technology for obtaining vehicles data. The detects the presence of and also calculates detected objects. method background subtraction on motion objects detection is proposed. By taking samples from objects, models are being set extracting foreground areas reducing shadow in foreground. A threshold presented divide standard image improve effect. experiment results indicate that...

The trajectory tracking performance of an actual robot is usually used as important standard to evaluate a nonlinear controller algorithm. aim this article design new experimental system based on the Robot Operating System-MATLAB framework. To validate performance, includes following features. Firstly, surface model in Lie algebra [Formula: see text] format, which keeps potential cooperation control between space vehicles. Secondly, has good robustness under unknown disturbances. Thirdly,...

The demand of Auto Guidance Vehicles (AGVs) is increasing while the technique can be popularized to apply on industrial flexible path optimization in intelligent manufacturing and industry 4.0. In general environment, AGVs navigation based fixed guidance markers such as black line QR code regarding cost-effectiveness. As deep learning carried out, Vision Simultaneous Localization Mapping (vSLAM) widely used unmanned vehicle auto-driving for next generation navigation. However, challenges...

Enhancing the professional knowledge in different levels of operator is a critical success factor to advance performance manufacturing industry. However, traditional training system lack scientific method transfer (tacit knowledge) operator. Applied RFID and Virtual Reality Technology Knowledge-based Training System can convert tacit explicit The trainee capture basic operation skill through web-enabled knowledge-based system. Moreover, provide working experience history about production...

Radio frequency identification (RFID) technologies as an effective indoor localization solution are acquiring increasing attention for its low cost and compactness it plays a significant role in industrial engineering. However, the location accuracy strongly relies on environment factor that will affect signal propagation property (using by position system). To alleviate limitation imposed this reason unlike others, paper proposes new calibrated Received Signal Strength Indication (RSSI)...

The technology of Radio Frequency Identification is becoming widely used in industry engineering. However, the UHF RFID tag can be easily affected by environmental noise factors, especially on metal surface. effect to (RFID) location system described this paper. Different methods are adopted analyze circumstances when placing near objects. Simulation for antenna accomplished detect how plate affecting magnetic field around tag. Moreover, experiments completed using RF Code M250 reader and...

In this paper, a condition monitoring and fault diagnosis method for rotating machineries using machine learning technologies including artificial neural network (ANNs) support vector (SVMs) is described. The vibration signal acquired from gearbox used in local power generation industry analysis of potential defects. Wavelet packet transforms (WPT) time domains statistical are to extraction features, the compensation distance evaluation technique (CDET) applied select optimal feature via...

Aging problem is intensified yearly. Most of users the barrier-free facilities are elderly or people suffering with handicap disability. Those may not have suitable and comfortable mobility equipment to cooperate those facilities; thus, it decreases willingness contact community. An advanced smart wheelchair that including functions as zero turning function, multi-position, ergonomic transferring places, auto-tracking, center gravity consideration, healthcare system designed help for...

This article presents the verification problem of estimating boat hull damping parameters using computational fluid dynamics technique. In addition, a Lyapunov-based path control system will be introduced to centify estimation result. The controller should satisfy following features: firstly, maintaining that dynamic model which includes path, velocity, and orientation errors are asymptotically stable; secondly, ensuring actuation is operating normally under nonlinear hydrodynamic actual...

Bus station is one of the important facilities in mass transportation service. Nevertheless, when people are waiting for bus, they will choose different standing posture such as upright and leaning against wall, referring to bus construction. Hence study provides ergonomic perspective design station. The postural control leaning-against-wall during prolonged investigated. In present paper 20 healthy volunteers were instructed stand or lean wall 15 minutes. pressure distribution foot was...

Abstract The surface EMG signal in the action of dynamic contraction has more movement interference compared to sustained static contractions. In addition, recruitment and de-recruitment motor units causes a faster change signal’s proprieties. Therefore, complex techniques are required extract information from signal. standardized protocol for myoelectric measurement table tennis was case study this research area. Autoregressive method based on Akaike Information Criterion, Wavelet intensity...

The growing number of elder people is a huge problem in Macau, China, especially, the who loss living ability. In medical area, complicating disease, such as press sore one most dangerous reason to cause disabled death. Therefore, some relative research projects are still developing. This paper address driving smart wheelchair with independent active suspension system follow desired path. Based on practical wheelchair, Krama KM5000.2, was nonlinear system. solution consists Lyapunov-based...

This paper address the problem of control an underactuated two-wheel robot to follow a desired tracking path under unknown road disturbance. Based on practical kinematics and dynamics model, damping force should be nonlinear related with wheels' velocity. The solutions include Lyapunov-based trajectory law disturbance estimator. In mathematics aspect, algorithm is solving position, orientation velocity error's boundedness convergence problem. general, all errors approaching equilibrium...

The automotive industry has been dramatically developed these years. However, the whole process of production chain is directly affected by accuracy its forecasting model, such as safety inventory quantity, out stock losses, and timely performance. Therefore, to improve forecasting, this paper uses Chinese a case study, which largest in world measured automobile unit since 2008. It presents three kinds combined models based on grey neural network, are parallel series inlaid compared single...

With the booming in manufacturing sector of shoe, garments and toy, etc. pearl region, training usage various facilities design facility layout become crucial for success industry companies. There is evidence that use virtual may provide benefits improving effect learning reducing risk physical work environment. This paper proposed an advanced web‐based environment could demonstrate a CNC machine terms working condition parameters selection. The developed at junior level level. Junior to...

Barrier-free facility is very important for handicapped daily life. Nevertheless, a good wheelchair design helpfully supporting them. Unfortunately, sitting posture made perplexing, because the pressure ulcer problem occurs in their lower portion of body by traditional wheelchair. Since major elders and mobility patients are muscle or joint problems generated travel inconvenience, therefore, it necessary to study an innovative that can aid with disability travelling convenient transportation...

The trend of contracting out activities will continue to grow cover a much wider network sub-contractors and become more complicated. Effective partnership development through scientific techniques has be developed overcome the sub-optimal approach traditional in an ad hoc manner. This research links daily information generated ERP system optimal strategies using artificial intelligence technology knowledge management technique support objective It forms regenerative feedback loop for that...

Sustainable manufacturing considers that efficiently controlling the early stages of a system is an important issue for industry enterprise. However, data collected at this point usually limited due to cost and time issues, making it difficult realize real situation in production process. One ways solve problem use small build prediction system, such as various grey methods. Although forecasting model has been successfully adopted fields demonstrated promising results, can still be further...

With the population ageing, it is a critical factor in public transportation to erect physical setting that fosters independent living. However, none of research studies designed barrier free car seat device for supporting elderly and disabilities ingress or egress vehicle, as well sit stand movement. In this present work, applied ergonomics concept design intelligent device. The controlled by mobile application facilitate them. Moreover, 22 healthy subjects volunteered effect standup...

To obtain an automatic and intelligent monitoring system, RFID is used to aid with CCTV system which innovative method. Therefore, some problems exist as integrating these two technologies, signal loss one of the vital final result. Since targets are necessary be monitored through dynamic, experiments in this research set dynamic data specific environments, traditional equations not available. Empirical equation accurate but computational complexity, a simply empirical found results compared...