Search Results - yongming+liu

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  1. Background Air traffic control is a crucial part of aviation safety, ensuring that aircraft are safely guided through the airspace and landed or taken off from airports. Effective workload management of air traffic controllers (ATCos) is an important component of maintaining safety within the aviation domain. One component of effective workload management...
    Published: 4/22/2025
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  2. Background Multi-agent reinforcement learning (MARL) involves a number of agents interacting within a common environment to jointly maximize a long-term reward. However, the key challenge with MARL is the combinatorial nature, which results in high computational complexity. The behavior of each individual agent relies on what has been learned by the...
    Published: 3/31/2025
    Inventor(s): Yongming Liu
    Keywords(s):  
  3. Background Additive manufacturing (AM) allows for the creation of highly complex parts, but the rough surfaces produced during the process can significantly reduce the fatigue life of these components. This issue is critical in industries such as aerospace and automotive, where parts experience repeated stress over time. Surface treatments, like polishing,...
    Published: 2/13/2025
    Inventor(s): Yongming Liu
    Keywords(s):  
  4. In normal differentiated cells, most of the genome is densely methylated, except CpG islands near promoters of actively transcribed genes. Maintaining this boundary between unmethylated promoter-associated and adjacent methylated regions is crucial as loss of segregation can lead to disease. Unfortunately, it is not clear where these boundaries are,...
    Published: 2/13/2025
    Inventor(s): Li Liu, Jingmin Shu
    Keywords(s):  
  5. ­The escalation of civil aviation operations has led to the concept of the next generation air traffic management system (NextGen), which aims to efficiently and safely accommodate the growing air traffic flow within the U.S. airspace. Air Traffic Controller (ATC) workload is one of the main limitations to the capacity of the air traffic management...
    Published: 2/13/2025
    Inventor(s): Yongming Liu
  6. Material fracture failure is a critical issue for many engineering structures and components. Accurate fracture prediction is necessary to ensure the safety of these structures and components. The finite element method (FEM) is a widely used approach for material mechanical modelling; however, FEM is known to have difficulties in solving problems...
    Published: 2/13/2025
    Inventor(s): Yongming Liu
  7. ­In many domains in science and engineering, multiple computational and experimental models are generally available to describe a system of interest. These models differ from each other in the level of fidelity and cost. Typically, computationally or experimentally expensive high-fidelity (HF) models describe a system with a high accuracy. In...
    Published: 2/13/2025
    Inventor(s): Yongming Liu

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