Hongyu Tang
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View article: Observed-based adaptive fuzzy control for robotic manipulators with output and input quantization
Observed-based adaptive fuzzy control for robotic manipulators with output and input quantization Open
The most existing control studies of robotic manipulators are restricted to nonlinear systems without quantized signals. To eliminate this restriction, for a class of robotic systems with output and input quantization, a novel observer-bas…
View article: Conjugate Gradient Methods in Fitting Precipitation of Rainfall Data in Malaysia
Conjugate Gradient Methods in Fitting Precipitation of Rainfall Data in Malaysia Open
Conjugate gradient method (CGM) is one of the most efficient numerical methods for solving unconstrained optimization problems. It is also known as an iterative method with simple formulation. The classical CGM has always been an interest …
View article: Research on an improved deadbeat model predictive current control of double three-phase open-winding permanent magnet motor
Research on an improved deadbeat model predictive current control of double three-phase open-winding permanent magnet motor Open
Model predictive current control has high control accuracy and good control performance, and has been widely applied in the control strategy of dual three-phase permanent magnet synchronous motors. This article proposes an improved deadbea…
View article: Study on model predictive control of dual three-phase permanent magnet synchronous motor based on biplane virtual voltage vector
Study on model predictive control of dual three-phase permanent magnet synchronous motor based on biplane virtual voltage vector Open
Under the traditional control method, the dual three-phase permanent magnet synchronous motor (DTP–PMSM) has a harmonic plane with low impedance, and it can produce larger harmonic current. Model predictive control (MPC) has a simple contr…
View article: Future changes in extremes across China based on NEX-GDDP-CMIP6 models
Future changes in extremes across China based on NEX-GDDP-CMIP6 models Open
View article: Future changes in extremes across China based on NEX-GDDP-CMIP6 models
Future changes in extremes across China based on NEX-GDDP-CMIP6 models Open
In this study, we assess the performance of the NASA Earth Exchange Global Daily Downscaled Projections’ (NEX-GDDP) CMIP6 models in simulating extreme climate indices over China and its eight subregions. Future projections of these indices…
View article: A fuzzy mathematical model for hybrid inventory and purchase optimization in a reverse logistics system considering shortage and warehouse capacity
A fuzzy mathematical model for hybrid inventory and purchase optimization in a reverse logistics system considering shortage and warehouse capacity Open
Making decisions about the design and implementation of a logistics network is crucial as it has long-term impacts. However, it is important to consider that demand factors and the number of returned items by customers may change over time…
View article: Design to Improve Thrust Force Performance of Dual-side Primary Permanent-magnet Vernier Linear Motor
Design to Improve Thrust Force Performance of Dual-side Primary Permanent-magnet Vernier Linear Motor Open
This paper proposes novel dual-side primary permanent-magnet vernier linear (DS-PPMVL) motors. The novelty of the proposed motors is the design of asymmetric consequent poles on the mover, which can effectively enforce the flux-modulation …
View article: Effects of short photoperiod on cashmere growth, hormone concentrations and hair follicle development-related gene expression in cashmere goats
Effects of short photoperiod on cashmere growth, hormone concentrations and hair follicle development-related gene expression in cashmere goats Open
Shanbei White Cashmere goat is a typical goat species, the growth of cashmere is affected by photoperiod. To further investigate the effects of short photoperiod treatment on cashmere growth, hormone concentrations and hair follicle develo…
View article: Model Predictive Torque Control for a Dual Three-phase PMSM Using Modified Dual Virtual Vector Modulation Method
Model Predictive Torque Control for a Dual Three-phase PMSM Using Modified Dual Virtual Vector Modulation Method Open
Single voltage vectors applied in the conventional model predictive torque control (MPTC) for multiphase motors do not only suffer from serious torque and stator flux ripples but also cause the large harmonic current. To address the aforem…
View article: A hybrid decision-making framework for photovoltaic poverty alleviation project site selection under intuitionistic fuzzy environment
A hybrid decision-making framework for photovoltaic poverty alleviation project site selection under intuitionistic fuzzy environment Open
View article: Research on Soft Sensing Method of Straw Ethanol Fermentation Process Based on BSVR
Research on Soft Sensing Method of Straw Ethanol Fermentation Process Based on BSVR Open
Straw fermented fuel ethanol is a complex process with multivariable, large lag, and strong nonlinearity. It is difficult to directly measure the key parameters such as ethanol concentration and cell concentration online. Aiming at the pro…
View article: Simulation and projection of climate extremes in China by multiple Coupled Model Intercomparison Project Phase 6 models
Simulation and projection of climate extremes in China by multiple Coupled Model Intercomparison Project Phase 6 models Open
This study evaluates the ability of 23 climate models from phase 6 of the Coupled Model Intercomparison Project (CMIP6) in simulating extreme climate events over China. The multimodel ensemble (MME) performs better than most individual mod…
View article: Simulation and Projection of Climate Extremes in China by a Set of Statistical Downscaled Data
Simulation and Projection of Climate Extremes in China by a Set of Statistical Downscaled Data Open
This study assesses present-day extreme climate changes over China by using a set of phase 6 of the Coupled Model Intercomparison Project (CMIP6) statistical downscaled data and raw models outputs. The downscaled data is produced by the ad…
View article: A multi-model predictive control method for the Pichia pastoris fermentation process based on relative error weighting algorithm
A multi-model predictive control method for the Pichia pastoris fermentation process based on relative error weighting algorithm Open
The Pichia pastoris fermentation process is with highly nonlinear and time-varying and strong coupling characteristics, traditional control methods such as classic PID cannot satisfy the actual needs of the fermentation process control. In…
View article: Deadbeat two-vector model predictive current control for open-winding primary permanent-magnet linear motor
Deadbeat two-vector model predictive current control for open-winding primary permanent-magnet linear motor Open
The structure of open-winding motor fed by the dual-inverter can increase the winding terminal voltage of the primary permanent-magnet linear motor (PPMLM). So, it is an effective method to improve the thrust performance of the PPMLM. Base…
View article: A New Multiface Target Detection Algorithm for Students in Class Based on Bayesian Optimized YOLOv3 Model
A New Multiface Target Detection Algorithm for Students in Class Based on Bayesian Optimized YOLOv3 Model Open
Deep learning theory is widely used in face recognition. Combined with the needs of classroom attendance and students’ learning status monitoring, this article analyzes the YOLO (You Only Look Once) face recognition algorithms based on reg…
View article: Research on Safe Driving Evaluation Method Based on Machine Vision and Long Short-Term Memory Network
Research on Safe Driving Evaluation Method Based on Machine Vision and Long Short-Term Memory Network Open
The rapid development of transportation industry has brought some potential safety hazards. Aiming at the problem of driving safety, the application of artificial intelligence technology in safe driving behavior recognition can effectively…
View article: Auxiliary teeth design to reduce short-circuit current in permanent magnet generators
Auxiliary teeth design to reduce short-circuit current in permanent magnet generators Open
In this paper, a new auxiliary teeth structure is proposed for fault-tolerant permanent magnet (PM) generators, which can reduce the short-circuit currents. Firstly, the short-circuit current and the phase to phase isolation of the fault-t…
View article: Identification of Deceptive Reviews by Sentimental Analysis and Characteristics of Reviewers
Identification of Deceptive Reviews by Sentimental Analysis and Characteristics of Reviewers Open
The purchase decisions of customers are influenced by the relevant reviews made by customers.Deceptive reviews are confusing and hard to detect.The existing identification method of deceptive reviews is based on the traditional algorithm o…
View article: Trends in autumn rain of West China from 1961 to 2014
Trends in autumn rain of West China from 1961 to 2014 Open
Autumn rain of West China is a typical climate phenomenon, which is characterized by continuous rainy days and large rainfall amounts and exerts profound impacts on the economic society. Based on daily precipitation data from 524 observati…
View article: Backstepping integral control for hydraulic servo system based on LuGre friction model
Backstepping integral control for hydraulic servo system based on LuGre friction model Open
A hydraulic shaking table has obvious frictional characteristics that will result in the deterioration of test waveforms and affect test accuracy. In this study, the influence of nonlinear friction for a hydraulic shaking table test system…
View article: A New Adaptive Control for Five-Phase Fault-Tolerant Flux-Switching Permanent Magnet Motor
A New Adaptive Control for Five-Phase Fault-Tolerant Flux-Switching Permanent Magnet Motor Open
The five-phase fault-tolerant flux-switching permanent magnet (FT-FSPM) motor can offer high efficiency and high fault-tolerant capability. In this paper, its operation principle is presented briefly and its mathematical model is derived. …