81 Result(s)
within
Haihong Huang
English
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Article
Temperature duty cycle characteristics of parallel IGBTs
IGBT parallel connections are an effective way to increase the capacity of power electronic converters. The junction temperature balance between IGBTs is one of the key factors in the safe and stable operation...
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Chapter and Conference Paper
Analysis of Restraining Circulating Current with Parallel H-bridge Power Supply Current Sharing Reactor
Fast and stable tracking of reference signals for each branch is an essential indicator for the output current control of a parallel H-bridge power supply system. Due to parallel structure of multiple inverter...
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Chapter and Conference Paper
Research on SOC Estimation Based on Firefly Algorithm Optimization Particle Filter Algorithm
Various characteristic states inside battery and data for function management system can be reflected by state of charge (SOC). Accurate SOC estimation plays a decisive role in safe and stable operation of bat...
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Chapter and Conference Paper
Improved Pre-synchronization and Grid Connection Strategy Based on Virtual Synchronous Generator
To enhance the inertia and dam** of power grid, enhance the support ability of voltage and frequency, virtual synchronous generator (VSG) technology is widely applied. An improved pre-synchronous grid connec...
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Article
Open AccessPathogen detection in suspected spinal infection: metagenomic next-generation sequencing versus culture
The aim is to compare the pathogen detection performance of metagenomic next-generation sequencing (mNGS) and the culturing of percutaneous needle biopsy samples obtained from an individual with a suspected sp...
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Article
CNN architecture-based hybrid fusion model for in-situ monitoring to fabricate metal matrix composite by laser melt injection
Laser melt injection (LMI) provides a new route for fabricating multi-material components with tailored physical performance and distributed functional properties. However, the widespread industrial adoption o...
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Article
Monitoring melted state of reinforced particle in metal matrix composite fabricated by laser melt injection using optical camera
Laser melt injection (LMI) is a promising technique for the fabrication of particle reinforced metal matrix composites (MMCs), in which process monitoring is highly demanded to ensure reliability. The objectiv...
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Article
Current Control of EAST Fast Control Power Supply Based on Improved Grey Prediction Variable Gain PI
The primary performance index of the fast control power supply in the Experimental Advanced Superconducting Tokamak (EAST) is to quickly track the reference current signal, realize the excitation of the load c...
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Article
Matching the mechanical system of metal forming equipment to reduce life cycle carbon emissions
A large number of carbon emissions are generated in the life cycle of metal forming equipment. The movable components are the critical part of the mechanical system in the equipment, which accounts for the car...
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Article
PSC-PWM modulated MPC for cascaded H-bridge power supplies
In the high-power applications of cascaded H-bridge (CHB) converters, when considering the limitations of the switching characteristics of the power device, the phase-shifted carrier’s pulse width modulation (...
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Article
Open AccessExperimental Study on the Reduction Effect of Pit Texture on Disassembly Damage for Interference Fit
After remanufacturing disassembly, several kinds of friction damages can be found on the mating surface of interference fit. These damages should be repaired and the cost is closely related to the severity of ...
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Article
An arc profile–based approach to evaluate gas pollutants in welding
Welding is widely used to make assembly of structural components and it will trigger serious environmental pollution, especially waste gas, i.e., carbon dioxide (CO2), ozone (O3), nitrogen oxide (NOx), and partic...
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Chapter and Conference Paper
Suppression Method of DC Voltage Pulsation in Three - Phase Four - Wire APF
When APF compensates the three-phase load, the DC side bus voltage pulsates, which leads to the command current containing excess current components, and then affects the compensation performance of APF. There...
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Chapter and Conference Paper
On-Line Evaluation Method of Battery Bank Inconsistency for DC Power System
Valve-controlled battery is the main component of DC power supply system in mainstream substation. The method of determining the inconsistency of battery banks by measuring the capacity of independent charge a...
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Chapter and Conference Paper
Variable-Domain Fuzzy PID Control Strategy for Magnetic Resonance Pulsed Power Supplies
In the magnetic resonance imaging pulse power system, due to the coupling and non-linearity of the load coil itself, it is difficult to achieve satisfactory control results in terms of output current accuracy ...
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Article
Environmental impact assessment of aluminum electrolytic capacitors in a product family from the manufacturer’s perspective
Aluminum electrolytic capacitors (AECs) are a type of indispensable electronic components in modern electronic and electrical products. They are designed and manufactured by a series of product specifications ...
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Article
Master–slave modulated model predictive control to optimize current tracking for parallel cascaded H-bridge power supplies
Conventional distributed control has achieved a great deal of success in multi-parallel cascaded H-bridge (CHB) power supplies. However, conventional distributed controllers can have a seriously imbalanced out...
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Article
Energy Consumption Evaluation in Stam** Workshops via a Discrete Event Simulation-Based Approach
Stam** is employed in a wide range of applications in industry, which is composed of discrete flow energy-intensive processes. Durations of stam** activities are much shorter than that of mold changing and...
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Article
Cooling and lubrication performance of supercritical CO2 mixed with nanofluid minimum quantity lubrication in turning Ti-6Al-4 V
Due to low thermal conductivity and high chemical reactivity, the aerospace alloy Ti-6Al-4 V has a high cutting temperature and poor machinability in metalworking operations. It results in poor workpiece quali...
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Article
Robust phase-shifted model predictive control for cascaded H-bridge power supplies using linear matrix inequality
In cascaded H-bridge (CHB) converters, each of the H-bridge carriers of the traditional modulated model predictive control (MPC) is synchronized. Therefore, the steady-state and transient performances are weak...
