Zeren Chen
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View article: Frontier AI Risk Management Framework in Practice: A Risk Analysis Technical Report
Frontier AI Risk Management Framework in Practice: A Risk Analysis Technical Report Open
To understand and identify the unprecedented risks posed by rapidly advancing artificial intelligence (AI) models, this report presents a comprehensive assessment of their frontier risks. Drawing on the E-T-C analysis (deployment environme…
View article: Analysis of Crushing Performance of Toothed Double-Roll Crusher for Coal Particle Based on Discrete Element Method
Analysis of Crushing Performance of Toothed Double-Roll Crusher for Coal Particle Based on Discrete Element Method Open
The large toothed double-roll crusher, as key crushing equipment for open pit mines, is very necessary to analyse its crushing performance at different feed particle sizes, compressive strengths of coal, and rotation speeds of toothed roll…
View article: Research on autonomous walking performance and electromechanical characteristics of mining double-track chassis
Research on autonomous walking performance and electromechanical characteristics of mining double-track chassis Open
To study the autonomous walking performance and corresponding electromechanical characteristics of unmanned mining equipment under different slopes, turning radii, and ground conditions. Firstly, the autonomous walking systems based on PID…
View article: Systematic Reward Gap Optimization for Mitigating VLM Hallucinations
Systematic Reward Gap Optimization for Mitigating VLM Hallucinations Open
The success of Direct Preference Optimization (DPO) in mitigating hallucinations in Vision Language Models (VLMs) critically hinges on the true reward gaps within preference pairs. However, current methods, typically relying on ranking or …
View article: Enhancing the performance of NaOH-activated slag using waste green tea extract as a multi-function admixture
Enhancing the performance of NaOH-activated slag using waste green tea extract as a multi-function admixture Open
This study attempts to utilize waste green tea extract (WT) primarily containing tea polyphenol (TP) as a multi-function admixture to improve the performance of alkali-activated slag (AAS) while achieving resource utilization of tea waste.…
View article: RH20T-P: A Primitive-Level Robotic Dataset Towards Composable Generalization Agents
RH20T-P: A Primitive-Level Robotic Dataset Towards Composable Generalization Agents Open
Achieving generalizability in solving out-of-distribution tasks is one of the ultimate goals of learning robotic manipulation. Recent progress of Vision-Language Models (VLMs) has shown that VLM-based task planners can alleviate the diffic…
View article: Octavius: Mitigating Task Interference in MLLMs via LoRA-MoE
Octavius: Mitigating Task Interference in MLLMs via LoRA-MoE Open
Recent studies have demonstrated Large Language Models (LLMs) can extend their zero-shot generalization capabilities to multimodal learning through instruction tuning. As more modalities and downstream tasks are introduced, negative confli…
View article: Performance Optimization of a Spoon Precision Seed Metering Device Based on a Maize Seed Assembly Model and Discrete Element Method
Performance Optimization of a Spoon Precision Seed Metering Device Based on a Maize Seed Assembly Model and Discrete Element Method Open
To improve the sowing performance of the spoon wheel maize seeding machinery, in this paper, two varieties of maize seed are selected as examples. The maize spoon precision seed metering device, a core component of the spoon wheel seeding …
View article: Siamese DETR
Siamese DETR Open
Recent self-supervised methods are mainly designed for representation learning with the base model, e.g., ResNets or ViTs. They cannot be easily transferred to DETR, with task-specific Transformer modules. In this work, we present Siamese …
View article: Fast-BEV: A Fast and Strong Bird's-Eye View Perception Baseline
Fast-BEV: A Fast and Strong Bird's-Eye View Perception Baseline Open
Recently, perception task based on Bird's-Eye View (BEV) representation has drawn more and more attention, and BEV representation is promising as the foundation for next-generation Autonomous Vehicle (AV) perception. However, most existing…
View article: Human inspired fall arrest strategy for humanoid robots based on stiffness ellipsoid optimisation
Human inspired fall arrest strategy for humanoid robots based on stiffness ellipsoid optimisation Open
Falls are a common risk and impose severe threats to both humans and humanoid robots as a product of bipedal locomotion. Inspired by human fall arrest, we present a novel humanoid robot fall prevention strategy by using arms to make contac…
View article: Analysis and Optimization of Static Contact Characteristics of Heavy-Duty Tracked Vehicle Rollers
Analysis and Optimization of Static Contact Characteristics of Heavy-Duty Tracked Vehicle Rollers Open
The static contact characteristics of heavy-duty tracked vehicle roller and track plate contact structure are analyzed, and the influence mechanism of the roller’s shape parameters on the contact stress is studied. According to the Hertz c…
View article: Optimization and Design of Hammerheads and Fenders on Scrap Metal Shredders Based on Improved Genetic Algorithm
Optimization and Design of Hammerheads and Fenders on Scrap Metal Shredders Based on Improved Genetic Algorithm Open
Dynamic unbalance force is an important factor affecting the service life of scrap metal shredders (SMSs) as the product of mass error. Due to the complexity of hammerheads arrangement, it is difficult to take all the parts of the hammerhe…