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Strain effect in the structurally defective materials can contribute to the catalysis optimization. However, it is challenging to achieve the performance improvement by strain modulation with the help of geometrical structure because strain is spatially dependent. Here, a new class of compressively strained platinum–iridium‐metal zigzag‐like nanowires (PtIrM ZNWs, M = nickel (Ni), cobalt (Co), iron...
The mining excavator is a significant type of field robot, however, its ability to track excavation trajectories accurately is limited by model uncertainties and fast‐changing external digging force. This paper presents a novel trajectory tracking coordinate control approach for mining excavators by utilizing cross‐coupling control (CCS). The approach begins by defining the coordination error based...