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Intelligent servomechanism controller

机译:智能伺服机构控制器

摘要

A servomechanism controller for controlling the movement and positioning of a servomechanism (such as that of an actuator assembly for the read/write heads of a hard disk drive assembly) in accordance with an improved "bang-bang" seek technique includes at least one neural network. In one embodiment, a single neural network, connected to a plant with servomechanism, receives two input positioning signals and provides an output positioning signal. One input positioning signal represents a desired servomechanism position, while the other represents its present position. The output positioning signal represents a positioning time period within which the servomechanism will reach the desired position plus a deceleration time period within the positioning time period upon the termination of which the servomechanism will reach its desired position. In another embodiment, one neural network, connected to the plant, receives an input positioning signal and provides an output positioning signal and a status signal. The input positioning signal represents a desired servomechanism position. The output positioning signal represents a positioning time period within which the servomechanism will reach its desired position. The status signal represents a control status of the neural network. Another neural network, also connected to the plant, receives the status signal plus a feedback signal and provides a correction signal. The feedback signal represents the present servomechanism position, while the correction signal represents a deceleration time period within the positioning time period upon the termination of which the servomechanism reaches its desired position.
机译:一种根据改进的“爆炸式”寻道技术来控制伺服机构(例如用于硬盘驱动器组件的读/写头的致动器组件的移动和定位)的运动和定位的伺服机构控制器包括至少一个神经网络。在一个实施例中,连接到具有伺服机构的工厂的单个神经网络接收两个输入定位信号并提供输出定位信号。一个输入定位信号表示所需的伺服机构位置,而另一个表示其当前位置。输出的定位信号表示一个定位时间段,在该时间段内伺服机构将到达所需位置,再加上一个在定位时间段内的减速时间段,在该时间段内伺服机构将到达其所需位置。在另一个实施例中,连接到工厂的一个神经网络接收输入定位信号并提供输出定位信号和状态信号。输入的定位信号表示期望的伺服机构位置。输出的定位信号表示一个定位时间段,在该时间段内伺服机构将到达其所需位置。状态信号表示神经网络的控制状态。也连接到工厂的另一个神经网络接收状态信号和反馈信号,并提供校正信号。反馈信号表示当前伺服机构的位置,而校正信号表示定位时间段内的减速时间段,在该时间段内伺服机构到达其期望位置。

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