Publications by authors named "Ludeng Liu"
In response to the practical demands for stable coal supply and safety assurance, the risk assessment indicators and the system are determined by analyzing the origins and driving factors of supply chain risks in this paper. The analytic hierarchy process (AHP) and fuzzy comprehensive evaluation (FCE) are employed to establish a risk assessment model and conduct a comprehensive risk assessment of the coal supply chain. Then, using the coal supply in X province as an example, a risk assessment of the coal supply chain was conducted, resulting in a risk level classified as "moderate".
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- The Economic Dispatch (ED) problem in power systems aims to minimize operating costs, but it's a complicated optimization challenge that needs advanced algorithms to solve.
- The proposed IMPA algorithm, an enhanced Marine Predator Algorithm, uses an asymmetric information exchange (AIE) mechanism to improve search efficiency and escape local optima during problem-solving.
- Testing on various benchmarks and real power systems shows that IMPA significantly lowers costs, outperforming previous versions of the algorithm and offering a competitive solution for the energy sector.
Pooled-analysis of efficacy and safety of minimally invasive versus standard percutaneous nephrolithotomy.
Medicine (Baltimore)
September 2021
Background: This study aimed to assess the efficacy and safety of minimally invasive percutaneous nephrolithotomy (MPCNL) versus standard percutaneous nephrolithotomy in patients with renal and upper ureteric stones.
Methods: We conducted a pooled analysis on randomized controlled trials (RCTs). The eligible RCTs were selected from the following databases: MEDLINE, Embase, Web of Science, and the Cochrane Library.