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Rack-Aware MSR Codes With Error Correction Capability for Multiple Erasure Tolerance
IEEE Transactions on Information Theory, 2023The minimum storage rack-aware regenerating (MSRR) code is a variation of regenerating codes that achieves the optimal repair bandwidth for a single node failure in the rack-aware model.
Jiaojiao Wang +3 more
semanticscholar +1 more source
Joint Optimization of Order Sequencing and Rack Scheduling in the Robotic Mobile Fulfilment System
Computers & Operations Research, 2021Putting the parts-to-picker idea into practice, the robotic mobile fulfillment system (RMFS) deploys robots to bring racks to stationary pickers so that the pickers focus only on order picking and the racks can be concurrently moved.
Xiying Yang +4 more
semanticscholar +1 more source
Thesaurus racks: Categorizing rack objects
Journal of Knot Theory and Its Ramifications, 2021We define and explore rack objects internal to categories with products. In demonstration, we classify the group-racks, and use homotopy to prove both existence and exclusion theorems for path-connected topological racks.
openaire +1 more source
Robot Scheduling for Mobile‐Rack Warehouses: Human–Robot Coordinated Order Picking Systems
Production and operations management, 2021Intelligent part‐to‐picker systems are spreading across a broad range of industries as preferred solutions for agile order fulfillment, wherein mobile racks are carried by robots and moved to stations where human pickers can pick items from them.
Z. Wang +3 more
semanticscholar +1 more source
The RACK-TLP Loss Detection Algorithm for TCP
Request for Comments, 2021This document presents the RACK-TLP loss detection algorithm for TCP. RACK-TLP uses per-segment transmit timestamps and selective acknowledgements (SACK) and has two parts: RACK ("Recent ACKnowledgment") starts fast recovery quickly using time-based ...
Yuchung Cheng +3 more
semanticscholar +1 more source
Optimal Rack-Coordinated Updates in Erasure-Coded Data Centers
IEEE Conference on Computer Communications, 2021Erasure coding has been extensively deployed in today’s data centers to tackle prevalent failures, yet it is prone to give rise to substantial cross-rack traffic for parity update.
Guowen Gong +4 more
semanticscholar +1 more source
Optimal design of steel pipe rack structures using PSO, GWO, and IGWO algorithms
, 2021Design optimization of industrial structures is of great importance for engineers in order to provide a cost-effective structural design. Meanwhile, pipe rack is a skeletal industrial structure subjected to various types of loading such as gravity ...
P. Zakian, B. Ordoubadi, E. Alavi
semanticscholar +1 more source
A Two-Stage Hybrid Heuristic Algorithm for Simultaneous Order and Rack Assignment Problems
IEEE Transactions on Automation Science and Engineering, 2021The problem of order and rack assignment to picking stations (ORAPS) is a key joint optimization problem in the order picking process of the robotic mobile fulfillment system (RMFS).
Xiang Shi +5 more
semanticscholar +1 more source
International Journal of Rail transportation
There are complex and large gradients for the rack vehicle running on the large mountain slope line. Under such a circumstance, the driving gear-rack interactions will be more intensified and could induce the larger tooth bending stress of the rack.
Jieyu Ning +4 more
semanticscholar +1 more source
There are complex and large gradients for the rack vehicle running on the large mountain slope line. Under such a circumstance, the driving gear-rack interactions will be more intensified and could induce the larger tooth bending stress of the rack.
Jieyu Ning +4 more
semanticscholar +1 more source
Cross-Rack-Aware Single Failure Recovery for Clustered File Systems
IEEE Transactions on Dependable and Secure Computing, 2020How to improve the performance of single failure recovery has been an active research topic because of its prevalence in large-scale storage systems. We argue that when erasure coding is deployed in a clustered file system (CFS), existing single failure ...
Zhirong Shen +3 more
semanticscholar +1 more source