IEEE

An Improved Robot Path Planning Algorithm Based on Bi-RRT

Abstract: Aiming at the problems of low path generation efficiency, untargeted expansion direction, slow convergence speed and many redundant nodes of the Bi-RRT algorithm, an improved Bi-RRT ...

Chemistry isn't always essential for order: How simple geometry gives rise to complex materials

Utrecht University researchers Rodolfo Subert and Marjolein Dijkstra show in their latest study that complex ...
Money Metals Exchange

1999-S United States Mint Silver Proof Set

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Money Metals Exchange

2005-S United States Mint Quarter Proof Silver Set

We have inventory on the shelf! However, high order volume will cause a 4-6 business day ship-out delay. Each coin comes with a mirror-like proof finish and frosted design details, sealed in a ...
IEEE

Mirror-Symmetrical Dijkstra’s Algorithm-Based Deep Reinforcement Learning for Dynamic Wireless Charging Navigation of Electric Vehicles

Abstract: The dynamic wireless charging (DWC) system based on wireless charging lanes (WCLs) is an important component of smart cities, allowing electric vehicles (EVs) to charge while moving. It is ...