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This project focuses on the design and development of a digital loop filter for an All-Digital Phase- Locked Loop (ADPLL) implemented as an Intel- lectual Property (IP) core in SCL 180nm CMOS technology. The loop filter is a critical component of the ADPLL,it is responsible for stabilizing the system...

Tragically, many innocent lives are lost daily in car accidents. Driving mistakes and delayed emergency response time are the leading reasons. The braking system is an essential part of every vehicle. Problems or accidents might occur as a result of improper or delayed braking. Failure to rapidly apply...

In the chemical industry, a large pressure range, relatively stable voltage output DC power supply is often required. This paper mainly studied on the control method of DC conversion circuit. The full-bridge configuration electromagnetic isolation has advantages in efficiency and pressure range. The...

To solve the problem of harmonic level evaluation for AC arc-furnace supply area, this paper analyses the synchronous measuring data of harmonic current in AC arc-furnaces with functional analysis, verifies harmonic current released from AC arc-furnaces with independence and orthogonality approximately...

In order to solve the problem of harmonic resonance in shunt capacitor at 220kV or 110kV transformer substation, use the PSCAD software to construct harmonic impedance models of capacitor, transformer, load, short impedance and harmonic source, give resonance objective function such as harmonic voltage...

Personality disorder: the set of enduring behavioral and mental traits that distinguish an individual from other people. Based on the DSM-5, ten different personality disorders are grouped into three clusters based on common features——cluster A, cluster B, and cluster C. The paper focuses on cluster...

Central heating medium heat metering is principle of thermodynamics, drawing on some European the experiences of developed countries, and in China's cities such as Beijing, tianjin, the pilot work has achieved great results. The heat enterprises establishing market economy ideas primary, grades have...

Motorcycle riders face numerous risks, including as collisions, reckless driving, and inclement weather. The objective of this project is to develop an Intelligence Helmets Technology which will improve their safety and fulfill the legal requirements. Using a Raspberry Pi and sensors, this helmet will...

Based on the mathematical model analysis of the three-phase voltage source PWM rectifier under abc reference frame and dq reference frame in this paper, a kind of three-phase voltage source PWM rectifier feed-forward decoupling control strategy is proposed. The inner current and the voltage loop of double...

With the deepening of the new curriculum, teaching reform is increasing popular in the major universities. As one of the most important lessons in many languages subjects, the strengthening and enhancement of the Chinese teaching quality and teaching efficiency has a very important role on the development...

Exsiting indoor localization approaches have poor accuracy because of multipath effect. In this work, we utilize Perpendicular Intersection(PI) means, establishing the model o f multipath effect on signal propagation . The results show that multipath effect can be overcomed by PI and high accuracy is...

The research aims to measure the business sustainability of Qi_Pastry Cake Shop through the evaluation of non-financial and financial factors. Feasibility analysis involves evaluating non-financial aspects such as production and marketing in an application. The analytical tools applied for financial...

In this paper, we study the position servo control system controlled by DSP. The control algorithm implemented in our application is PI. PWM signals is used to share the switching dissipation ePWM module of the DSP and achieved twice switching frequency. A numerical consideration and the software flow...

Social media has become increasingly available and popular, enlarging the effect of product endorsements from influencers in recent years. Is it possible for luxury cosmetic brands to adapt the influencer marketing strategy or keep their traditional marketing strategy? In order to answer this question,...

The high voltage direct current transmission based on voltage source (VSC - HVDC) technology has been widely used in transmission areas. Aimed at the problem of the low Steady-state accuracy and weak anti-interference ability for the traditional PI control, a control strategy based on ADRC was proposed....

Following many bottlenecks of the development of the logistics industry at present,a interactive model of cloud logistics is proposed in this paper.Describing the interactive model of cloud logistics by BPMN2.0 choreography,then the Pi calculus is adopted to make rigorous formal definition for the basic...

Based on the space vector pulse width modulation algorithm analysis and research of the digital signal processor generates SVPWM waveform implementation and software algorithms. With the methods used in practice, a digital control three-phase inverter power based on DSP is developed. Relevant test parameters...

The antenna control system for the problem encountered in the application, starting from the control algorithm to analyze the composition of the antenna control systems, introduces the antenna control system design, and antenna control unit, an antenna drive unit, shaft encoder unit and security unit...

Aiming at parallel computing of shared memory multiprocessors based on JOMP, this paper probes the writing, compiling and running of a *.jomp file in detail and describes a complete specification and process for parallel programming. It expounds the format of parallel directive sets, main runtime libraries...

With the progress of science and technology and the development of the new era of the Internet, the needs of major enterprises have also produced new discoveries for logistics management. From the perspective of enterprise needs, applied logistics management has become an important measure in the field...

OSM (OpenStreetMap) is a collaborative project to create a free editable map of the world and Leaflet is the leading open-source JavaScript library for mobile-friendly interactive maps. Based on OSM (OpenStreetMap) and Leaflet, a complete off-line map is constructed in this paper and applied to the actual...

The inverter is a significant part in the single phase grid-connected inverter system. The design of control strategy for photovoltaic power generation system has a decisive role in the system. The fractional order controller is applied to the grid-connected inverter to improve the single phase photovoltaic...

The energy storage system (ESS) with isolated bidirectional DC/DC converter based on parameter adaptive fuzzy PI control method is proposed to realize the low voltage ride through (LVRT) of the double fed wind power generation system. Firstly, the mathematical model of doubly fed wind power generation...

In this paper a new permanent magent synchronous motor (PMSM) rotor position estimate algorithm is discussed. The algorithm adjusts the estimated rotor position PI controller, makes the rotor back electromotive force produced by rotor permanent magnet on d axis veins. Compared with other PMSM position...

To bridge the gap between undergraduate electrical engineering curriculum and the modernizing electric power grid, Smart Home Testbed projects are ideal for undergraduate student design and research programs. Observed the fact that Smart Home Testbed projects are small-scale and short-term, a three-layer...

Through mathematical analysis, the motor is established, and then the tracking stability control loop is set up. The control loop is designed to correct the network design and improve the stability and tracking performance. Research shows that through the stabilization loop lag correction network design,...

Web service composition has been an important research topic in the field of service computing. Through the web service process modeling and the formal verification of the composition, we make sure the composite services meet the designer’s anticipated targets. Pi calculus is process algebra which is...

The web-based Kuder’s Preference Records 2011-version (KPR V.2011) is an instrument for measuring ten vocational interests. These ten vocational interests are: artistic, social service, literary, clerical, scientific, musical, outdoor, mechanical, persuasive, and computational. The purpose of this study...

Chinese character structure(CCS) is too complex to be represented or recognized by computer. In literature [6], simple grid was proposed to be representation tools for CCS. In order to check effectiveness of CCS representation based on simple grid, the method of CCS recognition based on Bayesian learning...

Wireless Power Transfer (WPT) technology has attracted growing interest in recent years due to its wide range of applications, including electric vehicles, biomedical implants, consumer electronics, and industrial systems, where non-contact energy delivery offers improved safety, reliability, and convenience....

Quench characteristics of low temperature superconductor (LTS) and high temperature superconductor (HTS) hybrid superconductor made of NbTi/Cu wire and Bi2223/Ag tape are investigated experimentally. The results indicate: the minimum quench energy (MQE) of the hybrid conductor is much larger than NbTi/Cu;...

This paper proposes an improved PI control strategy for series-compensated wireless power transfer (WPT) systems to achieve robust constant-voltage (CV) and constant-current (CC) outputs under dynamic load conditions. The control framework incorporates a frequency-domain optimization algorithm to mitigate...

Background: The MOMENTUM3 trial1 has revealed superiority of the novel HeartMate3 (HM3) left ventricular assist device (LVAD) compared with the HM2, with a significantly reduced occurrence of cerebrovascular accidents. Thus, cerebral autoregulation may be improved in HM3 compared with HM II patients,...

In this paper, the design scheme of fractional order proportional integral (FOPI) controller for the second order plus time delay model of aeration of activated sludge wastewater treatment process are presented. It is found that the two controllers designed by the proposed tuning method not only make...

From the development of robot technology,the implementation of the intelligent, safe and friendly mobile robot has been a goal by the human.In this paper, the definition of physical human-robot interaction is introduced; The classical visual servo system is analyzed, and we conducted a comparison and...

The plan and usage of a smart power management system for household and buildings that control numerous electrical appliances in real time have been reported in this work. The system is based on using artificial intelligence with low-cost single board computer in order to design a smart power management...

Introduction: The assessment of middle cerebral artery (MCA) haemodynamics is essential for the diagnosis and monitoring of cerebrovascular disease. However, conventional transcranial Doppler (TCD) may not capture the correct flow velocities because of sub-optimal angles of insonation. Conversely, 2-D...

Inverted pendulum control system is a complex, nonlinear, unstable system. This design on the basis of studying the law of motion of the inverted pendulum, build its trajectory mathematical model, using MATLAB simulation analysis Based on mathematical modeling and simulation, according this build the...

Permanent magnet synchronous motor (PMSM) has been widely used in industrial fields. The conventional control method for vector control of PMSM is PID, which has some disadvantages such as large overshoot, bad robustness. In this paper, a cascade control strategy with three rst-order linear active disturbance...

This paper suggests five new contributions with respect to the state-of-the-art. First, the optimal tuning of cost-effective fuzzy controllers represented by Takagi–Sugeno–Kang proportional-integral fuzzy controllers (TSK PI-FCs) is carried out using a fresh metaheuristic algorithm, namely the Slime...

Due to the PI control system for VSC-HVDC(Voltage Source Converter based High Voltage Direct Current) has problems of tuning parameters, excess number and so on, a novel controller composed of PID function and multiple-output Adaptive Neuro-Fuzzy Inference System (PID-ANFIS) is presented in this paper...

Background: Stiffening of the aorta has been associated with microvascular structural brain damage and cognitive dysfunction in cross-sectional and longitudinal studies, probably due to the reduced wave reflection at the interface between carotid and aorta and transmission of excessive flow pulsatility...

Recent developments in computing and hardware manufacturing are allowing many pieces of software to be embedded in general-purpose, low-cost devices. This work presents and tests the feasibility and performance of implementing, in such a device, a previously developed unified fuzzy controller for managing...

Purpose/Background/Objective: Cognitive decline is highly prevalent amongst end-stage renal disease (ESRD) patients and is accelerated upon initiation of hemodialysis (HD) [1]. ESRD increases aortic stiffness and blood flow pulsatility, which may damage small vessels of target organs like the brain [2]....

Background: Higher cerebral blood flow (CBF) pulsatility was found to be associated with severer brain white matter lesions in the elderly [1]. It was hypothesized that the central/elastic arterial stiffness/compliance may directly affect CBF pulsatility. However, it is still unclear which carotid stiffness...

Organizational justice is an important predicting index for the effective functioning of organizations. There are many organizational variables affected by organizational justice, such as organizational retaliatory behavior (ORB). In this study, it performed a test for the moderating role of the personality...

This paper is based on the intelligent car controlled by Raspberry PI 4B as the carrier, based on the Python language, the mainstream Jupter Lab as the software development tool. We analyzed the data structure and algorithm of the four core vision modules and discussed the application of the development...

This paper investigates the position regulation problem of permanent magnet synchronous motor (PMSM) servo system based on adaptive fuzzy sliding mode control (AFSMC) method. Adaptive fuzzy sliding mode control is designed by using sliding surface as input of fuzzy controller, and adaptive fuzzy controller...

Manado Malay language is an active language used by people living in the city of Manado and its surroundings. As one of the languages that is actively used; the Manado Malay language has a unique system of questions. This research aims to describe the Malay language question sentence system in Manado...

Jack-up platform occupies an important position in marine oil exploitation due to its advantages. A finite element model of a Jack-up was constructed and analyzed. And Different coupling methods were used to simulate the links between the boat hull and legs. The two kinds of coupling methods are the...