Abstract: Power balancing topology is an effective solution to the photovoltaic power mismatch problem in a medium voltage dc system. However, the existing power balancing topologies are all based on ...

Amazon's self-driving unit Zoox started offering free rides to some early users in parts of San Francisco, it said on Tuesday, as it steps up expansion amid rising competition in the autonomous ...

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Abstract: Since severe environmental problem in manufacturing industries is becoming increasingly prominent, energy-efficient production scheduling has gained more and more attentions. This article ...

For elementary students, math problem-solving often feels like a puzzle without all the pieces. They know there’s a solution somewhere, but they can’t quite see how it all fits together. Behind every ...