Xi Wang
YOU?
Author Swipe
View article: Autonomous Vehicle Path Planning by Searching With Differentiable Simulation
Autonomous Vehicle Path Planning by Searching With Differentiable Simulation Open
Planning allows an agent to safely refine its actions before executing them in the real world. In autonomous driving, this is crucial to avoid collisions and navigate in complex, dense traffic scenarios. One way to plan is to search for th…
View article: LangHOPS: Language Grounded Hierarchical Open-Vocabulary Part Segmentation
LangHOPS: Language Grounded Hierarchical Open-Vocabulary Part Segmentation Open
We propose LangHOPS, the first Multimodal Large Language Model (MLLM) based framework for open-vocabulary object-part instance segmentation. Given an image, LangHOPS can jointly detect and segment hierarchical object and part instances fro…
View article: A Spatiotemporal Convolutional Neural Network Model Based on Dual Attention Mechanism for Passenger Flow Prediction
A Spatiotemporal Convolutional Neural Network Model Based on Dual Attention Mechanism for Passenger Flow Prediction Open
Establishing a high-precision passenger flow prediction model is a critical and complex task for the optimization of urban rail transit systems. With the development of artificial intelligence technology, the data-driven technology has bee…
View article: Non-Singular Fast Terminal Composite Sliding Mode Control of Marine Permanent Magnet Synchronous Propulsion Motors
Non-Singular Fast Terminal Composite Sliding Mode Control of Marine Permanent Magnet Synchronous Propulsion Motors Open
Regarding the high susceptibility problem of the Permanent Magnet Synchronous Motor (PMSM) to various uncertain factors, including load variations, parameter perturbations, and external interferences in the ship’s electric propulsion syste…
View article: Fatigue Behavior and Life Prediction of Additively Manufactured AlSi10Mg up to 10<sup>8</sup> Cycles Under Rotating Bending
Fatigue Behavior and Life Prediction of Additively Manufactured AlSi10Mg up to 10<sup>8</sup> Cycles Under Rotating Bending Open
Laser powder bed fusion (L‐PBF) technology has been commonly used in various industries to manufacture small‐lot or complex parts. However, process‐induced defects are inevitable, which limits the adoption of L‐PBF alloys for load‐bearing …
View article: A Saturation Adaptive Nonlinear Integral Sliding Mode Controller for Ship Permanent Magnet Propulsion Motors
A Saturation Adaptive Nonlinear Integral Sliding Mode Controller for Ship Permanent Magnet Propulsion Motors Open
The conventional-speed Sliding Mode Controller (SMC) for ship PM propulsion motors, which employs exponential reaching laws and linear sliding surface functions, demonstrates susceptibility to oscillatory phenomena. To solve this problem, …
View article: MegaScale-MoE: Large-Scale Communication-Efficient Training of Mixture-of-Experts Models in Production
MegaScale-MoE: Large-Scale Communication-Efficient Training of Mixture-of-Experts Models in Production Open
We present MegaScale-MoE, a production system tailored for the efficient training of large-scale mixture-of-experts (MoE) models. MoE emerges as a promising architecture to scale large language models (LLMs) to unprecedented sizes, thereby…
View article: Muscle fatigue identification and prediction in motion using wearable device with power and torque-based features
Muscle fatigue identification and prediction in motion using wearable device with power and torque-based features Open
View article: Modeling hydrological processes and analyzing water balance utilizing remote sensing data and physical hydrological models in the Songnen Plain, China.
Modeling hydrological processes and analyzing water balance utilizing remote sensing data and physical hydrological models in the Songnen Plain, China. Open
Climate change and human activities have a substantial effect on the regional water cycle. An accurate simulation of the water cycle process in the Songnen Plain under the influence of climate change and human activities can aid in gaining…
View article: Stand on The Shoulders of Giants: Building JailExpert from Previous Attack Experience
Stand on The Shoulders of Giants: Building JailExpert from Previous Attack Experience Open
View article: Strength Behavior of Tin at High Strain Rate in Richtmyer-Meshkov Instability
Strength Behavior of Tin at High Strain Rate in Richtmyer-Meshkov Instability Open
The strain rate effect on strength is a key issue in the study of dynamic constitutive models, and the Richtmyer-Meshkov instability experiment on the free surface of metal reflects the strength behavior under extremely high strain rates. …
View article: Understanding Museum Exhibits using Vision-Language Reasoning
Understanding Museum Exhibits using Vision-Language Reasoning Open
Museums serve as repositories of cultural heritage and historical artifacts from diverse epochs, civilizations, and regions, preserving well-documented collections that encapsulate vast knowledge, which, when systematically structured into…
View article: A Novel Microwave Dielectric Ceramic LiSrVO<sub>4</sub> for LTCC
A Novel Microwave Dielectric Ceramic LiSrVO<sub>4</sub> for LTCC Open
LiSrVO 4 (LSV) ceramics were prepared using the solid-state synthesis method, and their phase structure, morphology, sintering characteristics, and microwave dielectric properties were investigated. The LSV ceramics could be densified by s…
View article: Towards Synchronous Memorizability and Generalizability with Site-Modulated Diffusion Replay for Cross-Site Continual Segmentation
Towards Synchronous Memorizability and Generalizability with Site-Modulated Diffusion Replay for Cross-Site Continual Segmentation Open
The ability to learn sequentially from different data sites is crucial for a deep network in solving practical medical image diagnosis problems due to privacy restrictions and storage limitations. However, adapting on incoming site leads t…
View article: Modulation of the Microwave Dielectric Properties of Si-Based Olivine Structured Ceramics Through the Variation of A-Site Ions
Modulation of the Microwave Dielectric Properties of Si-Based Olivine Structured Ceramics Through the Variation of A-Site Ions Open
View article: Low-Temperature Sintering Behavior and Microwave Dielectric Properties of Ligaw2o8 Ceramic Materials in Ltcc Technology
Low-Temperature Sintering Behavior and Microwave Dielectric Properties of Ligaw2o8 Ceramic Materials in Ltcc Technology Open
View article: Effects of Grain Morphology on the Microwave Dielectric Properties of Liinw2o8 Ceramics
Effects of Grain Morphology on the Microwave Dielectric Properties of Liinw2o8 Ceramics Open
View article: A Three-Stage Prediction Method for Track Displacement During Shield Tunneling
A Three-Stage Prediction Method for Track Displacement During Shield Tunneling Open
Track displacement is an important factor of track irregularity. Existing researches related with track displacement prediction generally ignore the influence from underground construction engineering such as shield tunneling, resulting in…
View article: A Meta-Learning-Based Train Dynamic Modeling Method for Accurately Predicting Speed and Position
A Meta-Learning-Based Train Dynamic Modeling Method for Accurately Predicting Speed and Position Open
The train dynamics modeling problem is a challenging task due to the complex dynamic characteristics and complicated operating environment. The flexible formations, the heavy carriage load, and the nonlinear feature of air braking further …
View article: Present Situation and Prospects of Energy Storage Technology in the Context of New Power System Construction
Present Situation and Prospects of Energy Storage Technology in the Context of New Power System Construction Open
With the promotion of new power system construction, due to the real-time-balance characteristics of power system and the randomness and volatility of renewable energy, the power system needs more adjustable means, which boost the developm…
View article: Effect of constraint on the fracture property of AlSi10Mg manufactured by selective laser melting
Effect of constraint on the fracture property of AlSi10Mg manufactured by selective laser melting Open
View article: Modelling forces in milling screw rotors
Modelling forces in milling screw rotors Open
The deflections of screw rotors under machining forces cause mismatch between the male and female rotors and, consequently, accelerated wear and suboptimal efficiency in their performance. Optimizing the machining process to minimize the g…
View article: Relationship between Microstructure and Properties of 1380 MPa Grade Bainitic Rail Steel Treated by Online Bainite-Based Quenching and Partitioning Concept
Relationship between Microstructure and Properties of 1380 MPa Grade Bainitic Rail Steel Treated by Online Bainite-Based Quenching and Partitioning Concept Open
According to the concept of the bainite-based quenching and partitioning (BQ&P) process, we designed the online heat treatment routes of bainitic rail steel for heavy haul railway. The new heat treatment process reduced the fraction and si…
View article: A particle swarm optimizer with multi-level population sampling and dynamic p-learning mechanisms for large-scale optimization
A particle swarm optimizer with multi-level population sampling and dynamic p-learning mechanisms for large-scale optimization Open
View article: Runoff evolution and wetland ecological response in Lake Baiyangdian Basin in recent 60 years
Runoff evolution and wetland ecological response in Lake Baiyangdian Basin in recent 60 years Open
白洋淀是雄安新区的核心生态功能区，近几十年来面临水源不足、湿地萎缩等生态环境问题.选取白洋淀流域上游王快、西大洋及拒马河3个子流域开展河川径流演变研究，结合1969年以来18期白洋淀湿地遥感影像，揭示白洋淀流域河川径流驱动湿地演变的过程机制.结果表明：近60年来白洋淀流域山区径流量呈持续衰减趋势，从P1阶段（1961—1979年）至P3阶段（1997—2019年），典型子流域年径流系数均值由0.29降至0.12，山区年径流总量由30.84×108 m<…
View article: Advancing COVID-19 diagnosis with privacy-preserving collaboration in artificial intelligence
Advancing COVID-19 diagnosis with privacy-preserving collaboration in artificial intelligence Open
View article: Research on the Application of AI Technology in Computer-Assisted Instruction
Research on the Application of AI Technology in Computer-Assisted Instruction Open
The application of AI tech in the field of auxiliary teaching still has many shortcomings and needs to be improved. We need to combine the relevance between AI and auxiliary system to carry out organic application. Based on this, this pape…
View article: The Phase Transition Analysis for the Random Regular Exact 2-(d, k)-SAT Problem
The Phase Transition Analysis for the Random Regular Exact 2-(d, k)-SAT Problem Open
In a regular (d,k)-CNF formula, each clause has length k and each variable appears d times. A regular structure such as this is symmetric, and the satisfiability problem of this symmetric structure is called the (d,k)-SAT problem for short…
View article: Application of Drilling Strain Analysis Technology in Mine Dynamic Geological Disaster Monitoring
Application of Drilling Strain Analysis Technology in Mine Dynamic Geological Disaster Monitoring Open
This article applies the borehole strain observation technology to mine dynamic disaster monitoring for the first time, and uses the fractal box dimension to quantitatively analyse the time history change characteristics of borehole strain…
View article: Adaptive memetic differential evolution with niching competition and supporting archive strategies for multimodal optimization
Adaptive memetic differential evolution with niching competition and supporting archive strategies for multimodal optimization Open