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Self-terminated electrochemical etching is applied to fabricate needle electrodes for ion traps. We study the surface morphology of the electrodes with scanning electron microscopy and atomic force microscopy, and find that the surface curvature and roughness can be reduced by optimizing the etching parameters. Our method provides a convenient and low-cost solution to improve the surface quality of...
Contrast to conventional PID multi-variable decoupling control, this paper presented a new PID decoupling method based on dynamic neural network identifier (NNI) for certain turbofan engine multi-variable rotation speed control system. Each dynamic neural network was used to identify proportional coefficient kP, differential coefficient kd and integral coefficient ki, of its relevant PID decoupling...
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