Computer Engineering Commons^™

Supporting Coordination Of Children With Asd Using Neurological Music Therapy: A Pilot Randomized Control Trial Comparing An Elastic Touch-Display With Tambourines, Franceli L. Cibrian, Melisa Madrigal, Marina Avelais, Monica Tentori

Engineering Faculty Articles and Research

Aim

To evaluate the efficacy of Neurologic Music Therapy (NMT) using a traditional and a technological intervention (elastic touch-display) in improving the coordination of children with Autism Spectrum Disorder (ASD), as a primary outcome, and the timing and strength control of their movements as secondary outcomes.

Methods

Twenty-two children with ASD completed 8 NMT sessions, as a part of a 2-month intervention. Participants were randomly assigned to either use an elastic touch-display (experimental group) or tambourines (control group). We conducted pre- and post- assessment evaluations, including the Developmental Coordination Disorder Questionnaire (DCDQ) and motor assessments related to the control of …

Specially Designed Multi-Functional Search And Rescue Robot, Khabibullo Kh Nosirov, A.Sh. Shakhobiddinov, Mukhriddin Arabboev, Shohruh Begmatov, O.T. Togaev

Bulletin of TUIT: Management and Communication Technologies

In digital era, robots are becoming an integral part of human life due to their efficiency and high performance. In recent years, search and rescue robot systems are used tremendously in a natural disaster. Nowadays, many areas of the world are getting affected due to natural disasters. Disasters can be exceptional and unstoppable events that are either man-made or natural, such as building collapse, earthquakes, wildfires, and floods, etc. This witnesses the importance of search and rescue robot systems in the emergency field. In the emergency field, a variety of sensing and wireless technologies are used in remote and vision …

Back To The Future With Higher Ed: A Sample Of Drupal Sites At Uga, Rachel S. Evans, Deborah Stanley, Delmaries I. Gray, Lauren Blais

Presentations

Consisting of a show and tell of a selection of large and small site installations from various departments, schools and colleges at the University of Georgia, panelists including back end and front end developers, public relations experts, librarians, and web coordinators will share their ship's timeline with Drupal versions and examples from the past, present and future. A moderator will then ask questions of panelists including: the biggest challenges they have faced with migrations and upgrades, the issues or blessings of more cohesive branding initiatives over the last few years, and their visions, concerns, and hopes for the future. In …

A Statistical Impulse Response Model Based On Empirical Characterization Of Wireless Underground Channel, Abdul Salam, Mehmet C. Vuran, Suat Irmak

Faculty Publications

Wireless underground sensor networks (WUSNs) are becoming ubiquitous in many areas. The design of robust systems requires extensive understanding of the underground (UG) channel characteristics. In this paper, an UG channel impulse response is modeled and validated via extensive experiments in indoor and field testbed settings. The three distinct types of soils are selected with sand and clay contents ranging from $13\%$ to $86\%$ and $3\%$ to $32\%$, respectively. The impacts of changes in soil texture and soil moisture are investigated with more than $1,200$ measurements in a novel UG testbed that allows flexibility in soil moisture control. Moreover, the …

Security Analysis Of The Anonabox Pro, Devi Sowjanya Vempati

LSU Master's Theses

The security posture of critical network appliances, such as routers, switches, and firewalls, is crucial as these devices provide the first line of defense against malicious actors. As there is typically no endpoint security software, such as anti-virus available for these devices, it is crucial that vendors release timely updates for vulnerabilities and that customers apply them quickly. The research effort documented in this thesis describes a developed methodology for triaging known vulnerabilities in network devices, assessing the security posture of device vendors, and locating likely weak points in released firmware images. To highlight this methodology, the Anonabox security appliance …

Research Overview On Modeling And Solution Of Aerospace Tt&C Scheduling Problem, Qingqing Yan, Huairong Shen, Qiongling Shao

Journal of System Simulation

Abstract: The research of Aerospace TT&C Scheduling (ATT&CS) is very important, because of its support for TT&C scheme decision-making and TT&C resource net constructing. The classification and resolution flow of the ATT&CS problem were introduced. Then, the modeling methods and related key techniques, such as designing of object function, analysis of constraints, and priority determining, were analyzed. The solving algorithms and conflict resolution methods were summed up, and the major categories of algorithm were evaluated. The main content of scheduling evaluation research was summarized. The possible future researches for related techniques were discussed based on the analysis of development and …

Overview Of Development And Current Progress In Maritime Simulation Research, Xinping Yan, Wu Bing, Wang Yang, Xiaoyang Wei

Journal of System Simulation

Abstract: Maritime simulation plays an essential role in security of ship navigation, the innovation of the administration and the improvement of management ability. The traditional maritime simulation was surveyed, and the scope of maritime simulation was specified. Moreover, the research related to maritime simulation was overviewed under the proposed scope of maritime simulation. To gain a deeper insight into the research domain, maritime simulation was scrutinized in two dimensions. From the perspective of the simulation scale, modeling characters, and user requirements, maritime simulation was divided into macro, medium and micro scales; whereas in the viewpoint of comprehensive safety …

Principe Of Behavior Computing On Emotional Game, Guofeng Zhang, Wang Niu, Xiong Hu

Journal of System Simulation

Abstract: Emotions is analyzed by mathematical statistics as an influence factor on behavior interaction in the current behavioral game researches. On the face of the status quo, premising emotion rationality that is the alternative to results rationality, a fresh emotional game computing principle was proposed by building emotion behavior schemata function. The suggested thought was applied to a modified ultimatum game computing, an emotional equilibrium outcome was obtained, and the psychological mechanism of the brave behavior was revealed. Meanwhile, the basic principle of pattern recognition to behavior selection mode was established. According to the constraint conditions of …

Simulation And Analysis Of Wind Turbine Echoes, Weikun He, Yuluo Shi, Xiaoliang Wang, Yuzhao Ma, Renbiao Wu

Journal of System Simulation

Abstract: Wind turbines can have serious effect on ATC radar, communication and navigation equipments. Thus electromagnetic scattering features of wind turbine and its echo simulation technology are of vital significance to wind farm clutter suppression and ensure air traffic safety. Based on the model of wind turbine scattering points superposition, the radar echo simulation of the wind turbine was studied. Meanwhile, the effect of azimuth angle and elevation angle of the incident wave on the echoes were considered and the model of radar echo signal for any observation points was established. In addition, the characteristics of time domain, …

Full-Scale Dynamic Simulation For Structure Safety And Schedule Coupling Of Rcc Gravity Dams, Sherong Zhang, Chengbo Du, Wenqi Sa, Gaohui Wang, Wang Chao

Journal of System Simulation

Abstract: By establishing the dynamic mapping relationship between the set of the construction state and the set of the emulation state of numerical simulation model, the method of three dimension and full-scale dynamic simulation for structure safety and schedule coupling during construction process was built. The method was used to dynamically analyze structure safety under any construction schedule condition of dam. VTK was utilized to realize three dimension and full-scale dynamic visualization for structure safety and schedule status coupling of RCC gravity dam during construction process. A three dimension and full-scale dynamic simulation and visualization system for structure safety and …

Research Of Radio Frequency Environment Algorithms For Radar System Of System Combat Simulation, Xinjun Zhao, Quanmin Wang, Yongxian Zou, Yufei Jia

Journal of System Simulation

Abstract: In weapons and equipment system of system simulation, radar systems are usually necessary composition. A complete radar combat system generally consists of radar models and electromagnetic (EM) environment models, and the reliability of simulation results was decided by these two elements. Despite of various radars, the EM environment simulation, especially radio frequency(RF) environment simulation, could be synthesized into a common and general purpose model, and support various radar simulation system. Based on RF environment effects analysis and their algorithms, a synthesized RF environment effect model was proposed, which could provide calculation for RF radar simulation. Two simulation examples involving …

Modeling And Simulation Of Wx And Interference Display Of Aew Radar Simulator, Xiaojun Chu

Journal of System Simulation

Abstract: Three are two bottlenecks during training: irregular form display simulation of weather target and display simulation of electromagnetic interference in AEW radar training simulator. The weather target display was realized by building weather controlling model and irregular form of weather target based on Bezier Curve and path developed was simulated by VC++. Interference display of AEW radar was realized by building model of various interference patterns and rejecting operation was simulated by building operating model. A lot of difficulties of PPI for AEW radar training simulator were settled: such as random distribution of weather target, irregular form of …

Research On Dynamic Real-Time Infrared Complicated Scene Generation Technology, Zhifeng Lu, Gao Wen, Zehua Hong, Lai Peng

Journal of System Simulation

Abstract: The dynamic IR scene real-time generation technique is one of the key techniques in IR imaging HWIL simulation. On the basis of the external rendering, the dynamic IR complex scene real-time generation technique was proposed to break through the bottleneck of mutual restriction between imaging fidelity and real-time generation to ensure the real-time performance of the HWIL simulation systems. This technique has no minus effects on imaging fidelity, and moreover, it meets the real-time performance requirements of the HWIL simulation systems. This technique can be applied to the varied IR imaging simulation systems. This research plays an important role …

Modeling Of Collaborative Maintenance Operation Process Based On Resource Competition, Zhili Zhang, Xiangyang Li, Qinhe Gao, Liang Feng, Ma Chao

Journal of System Simulation

Abstract: The maintenance process of large-scale complex equipment usually requires the collaborative operations of multi operators, which makes the monopolistic maintenance resources become certain competition when allocated and utilized by operators. Based on the analysis of the characteristics and collaborative modes of collaborative maintenance operation process (CMOP), the behavior analysis and state change description of related maintenance objects, operators and resources were performed with colored Petri net. Then considering the consumption of maintenance time, the collaborative maintenance operation process model of large-scale complex equipment was established based on resources competition mechanism. The relevant strategies to avoid resources competition and concurrent …

Research Of Joint Simulation Platform Supporting Interoperability Of Lvc, Jihong Cai, Duzheng Qing, Baodi Xie

Journal of System Simulation

Abstract: In order to meet the requirements of armament test & training, a way to realize LVC simulation interoperability was proposed as what the advanced countries did and related key technologies including architecture, common object model description, middleware design, time management on WAN were illustrated in detail. Joint simulation (Josim in short) platform achieved significant progress for integration of Live/Virtual/Constructive simulations, and greatly enhanced the abilities of interoperability, reusability and composability for simulation resources. Some further research emphases in the area were given.

Simulation Research Of Adaptive K Value Location Privacy Protection In Augmented Reality, Yang Yang, Ruchuan Wang

Journal of System Simulation

Abstract: With the development of wireless communication and augmented reality technology, the application of LBS is wide. It provides enormous convenience to people life. It may obtain user location information at anytime and anywhere. So user location privacy safety suffers huge threats. Therefore, data safety is worth paying attention in LBS. The advantages and disadvantages of the existing location privacy protection methods in LBS were analyzed, and adaptive K value location privacy protection method was proposed according to different privacy level. This method used k-anonymity method and pseudonym method hand in hand. It used trusted third party as location privacy …

Simulation Experiment Of Ultrasonic Assisted Grinding Along Axial Direction On Basis Of Deform-3d, Wang Yan, Zhang Sheng, Wang Shuai, Yang Lin, Jianhua Xie

Journal of System Simulation

Abstract: Grinding process can be regarded as cumulative cutting effect of a large number of random scattered grits, a novel simulation method concerning ultrasonic vibration assisted single grit grinding was put forward. The single grit grinding of axial ultrasonic vibration was simulated in Deform-3D. The simulation results demonstrate that the maximum temperature in ultrasonic vibration grinding zone is less than that of ordinary grinding zone under the same grinding conditions; Both the normal and tangential force of vibration assisted grinding are less than the ordinary grinding. Grinding temperature and force ratio increase as the increase of abrasive velocity, on the …

Dynamics Analysis Of Gyrowheel For Its Micro-Spacecraft Attitude Control Application, Zhang Han, Zhang Yu, Zhao Hui

Journal of System Simulation

Abstract: Gyrowheel has the advantage of small size, light weight by its high level of system integration, and it has been attempted to be applied in micro-satellite attitude control system. A linear dynamics model of GyroWheel was built, and then pole-zero analysis was carried out to obtain its basic dynamic characteristics which is different with dynamic tuned gyros (DTG). It is indicated that gyrowheel has two feature frequencies in addition to the precession and nutation frequencies outside. The correctness of the analytical model is proved by the ADAMS model and its simulation. The controlled object characteristic analysis foundation is …

Eemd Denoising Method For Neuronal Spike Signals, Wan Hong, Guan Lei, Xinyu Liu

Journal of System Simulation

Abstract: Spikes which are the basis of the research of brain information are sensitive to noise because they are broadband and small amplitude signal. Based on the fact that spikes are intermittent and nonstationary signals, EMD’s improved algorithm EEMD was adopted to remove noise from neuronal spike signals with wavelet-threshold method. EEMD can solve EMD’s model mixing by separating the intermittent composition in the signal effectively. Comparing with EMD with wavelet-threshold and Multivariate Wavelet, the result of simulation and real data shows that this method can not only improve SNR but also reduce spike waveform distortion. Among the …

Simulation Study Of Improved Deadbeat Control Method For Voltage Source Inverter, Kun Xia, Ge Yue, Yanneng Zeng, Xu Po

Journal of System Simulation

Abstract: The voltage source inverter is widely used in UPS, the new energy power generation and many other applications. Low THD and rapid system response under all kinds of loads, especially under nonlinear load are required. A new deadbeat control method was proposed according to the discrete state equation of single-phase inverter system, two feed-forward loops were added and a state observer was designed in order to eliminate the delay of sampling and calculation and to improve the system dynamic response. A simulation model of single-phase inverter was constructed in the MATLAB/Simulink environment. The simulation results show that the new …

Modeling And Control Of Thermal System Of Fuel Cells For Locomotive, Guo Ai, Weirong Chen, Li Qi, Zhixiang Liu, Yankun Li

Journal of System Simulation

Abstract: Temperature in the stack plays an important role in ensuring efficient and reliable operations for proton exchange membrane fuel cells driving locomotive which is a new field in railway development. The thermal model of fuel cells for locomotive was built including the stack, bypass, radiator and their resistance to coolant. The control objective that the temperature at inlet of the stack maintained at a setting temperature with the temperature difference between the stack less 10^oC was accomplished by adjusting the air flow rate through the radiator and the coolant flow rate through the pump; and the …

Simulation Research On Armored Equipment Maintenance Support Resource Optimization, Huiqi Zhang, Chunliang Chen, Junyan Liu, Liu Shuai, Yongqing Zhang

Journal of System Simulation

Abstract: Contraposing the problem of armored equipment maintenance resource computation and optimization, the armored equipment maintenance support process was analyzed. The armored equipment maintenance support process concept model and the mathematic model were constructed based on discrete system modeling theory; while the simulation model based on net discrete event was given in apply of Anylogic software. The armored equipment maintenance support task fulfilling degree, the resource utilization degree, and the mean maintenance time were got by simulation computation. As a result that maintenance support resource was evaluated based on index weight, and the optimized values of the maintenance support resource …

Community Detection Algorithm In Multi-Relational Networks, Jingping Yu, Zheng Jie, Guixiang Zhu

Journal of System Simulation

Abstract: In view of the traditional community detection algorithms being mainly applied to single relational networks, ignoring the interaction of relationship in the multi-relational networks, being unable to distinguish the importance of each relation for community detection, a novel algorithm called InteractRank was proposed. Based on the node and the relation of ranking model, the algorithm could transform multi-relational network into single relational network. Combined the PageRank algorithm and the random walk model, the algorithm considered the connection within groups and between groups in multi-relational networks. After transforming into single relational networks, spectral clustering algorithm was adopted to detect community. …

Research On Battle Simulation Framework Of Warship Integrated Air-Defense And Anti-Missile, Gaofeng Zhang, Liu Shu

Journal of System Simulation

Abstract: The establishment for simulation framework can effectively improve the efficiency and level of simulation system development, improve the reusability of resources and system ability of adaptive change. The simulation research boundary of warship integrated air-defense and anti-missile battle was confirmed, the corresponding simulation framework was presented from two aspects of tactics and technology. Structure and module function of the tactical simulation framework were clarified. Based on the theory and method of model driven architecture(MDA) and component technology, a flexible reconfiguration technique simulation framework was established. The framework provides a relatively comprehensive and feasible technology method to realize for …

Simulation Of Anti-Rollover Performance Based On Chassis Collaborative Control, Menglin Wang, Sun Tao, Songlin Zheng, Yuedong Sun

Journal of System Simulation

Abstract: Due to the complexity of heavy vehicles traffic and driving cycles, only a standalone control system for anti-rollover has its own limitations. Aiming at the heavy vehicles un-tripped rollover problem, a cooperative control algorithm of continuously adjustable damping semi-active suspension andactive anti-roll bar with dynamic force allocation was proposed. From the simulation results, it is indicated that the cooperative methodology can compensate for the respective limitations of semi-active suspension and anti-roll bar for preventing vehicle rollover and improving vehicle stability to a certain extent.

Research Of Constant Pressure Delivery Pid Control System Of Flying Ashes, Yanjun Xiao, Yingpei Sun, Xianle Meng, Yongcong Li

Journal of System Simulation

Abstract: Comparing to the drawbacks of fly ash constant current conveying system, the advantages of constant pressure delivery system and its conveying theory were introduced. A scientific modeling of the key of PID controller was established. By introducing the fuzzy control algorithm, the fly ash constant pressure conveying fuzzy adaptive PID controller was designed, which could make the auto changes between the fuzzy control and PID controller come true, and the simulation with MATLAB was researched. The results show that fuzzy adaptive PID controller is superior to the conventional PID controller in overshoot, response speed and adjusting time. And fuzzy …

Methodology Research For Health Condition Assessment Of Power Supply Based On Simulation, Xuerong Ye, Chen Cen, Yixing Wang, Guofu Zhai

Journal of System Simulation

Abstract: Currently, the prognostics and health management research of switch mode power supply (SMPS) are mostly based on the field data with specified stress profile, which can hardly be adapted to the application in other stress condition. A methodology research for health condition assessment of power supply based on simulation was proposed. The highly precise model was created for the injection of the quantitative degradation parameters of components. The database containing degradation characteristics of power supply was created by using design of experiment. The functions between stress factors and system outputs were confirmed based on least square method. Thus the …

Research On Engineering Application Of Atmospheric Environment Simulation, Cai Jun, Liren Xu, Xiaoying Shen

Journal of System Simulation

Abstract: With the evolution of system simulation, the atmospheric environment simulation technology has developed to come into being an important key common technology, and is rapidly developed towards the larger and more complex tendency. According to the requirement of the engineering application to atmospheric environment simulation, the flow of atmospheric environment simulation application was designed. Some key questions, such as, the representation of atmospheric environment simulation, the verification and validation of environment simulation, the application interface of engineering application, atmospheric environment federation during the application process of atmospheric environment simulation were discussed. The research presents an …

Study On Hwil Simulation Of Compound Guidance System Based On Radar Signal Injected, Lai Peng, Zhifeng Lu

Journal of System Simulation

Abstract: The hardware-in-the-loop simulation plays a very important role in the research and design process of missile weapons. The architecture of the hardware-in-the-loop simulation system for RF/IR compound guidance was introduced. The model of the passive-wave radar signal based on phase interferometry and the realizing schemes were researched. The hardware-in-the-loop simulation system, which simulated passive-wave radar by signal injection method, was proposed. Experiment results show that the algorithm design of RF/ IR compound Guidance can be tested with the effective support of this system.

Analysis Of Floating Memcapacitor Emulator And Its Application In Filter Circuits, Guisan Li, Dongsheng Yu

Journal of System Simulation

Abstract: A new equivalent circuit for emulating floating memcapacitor based on active analog chips was designed. By taking square and sinusoidal voltage waveforms as excitation signals, respectively, the frequency-dependence of pinched hysteresis loops of the memcapacitor emulator was tested. In consideration of the controllable memcapacitance, memcapacitor was utilized to structure filers in order to obtain tunable cutoff frequency. Based on PSPICE software, circuit and macro models were used to construct π filter circuits, respectively. Voltage signal containing low and high frequency components were used to test the low pass filtering ability of this circuit. The behaviors of filtered …