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1. 发明授权

US5541486A Automatic tuning of a position control circuit for a servo device 失效
标题翻译：自动调整伺服装置的位置控制电路
公开(公告)号：US5541486A
公开(公告)日：1996-07-30
申请号：US326892
申请日：1994-10-21
申请人： Allan C. Zoller , Tina Vrabec , Richard A. Dolezal
发明人： Allan C. Zoller , Tina Vrabec , Richard A. Dolezal
IPC分类号： F15B9/09 , G05B19/35 , G05D3/00 , G05D3/12 , G05B5/01
CPC分类号： G05B19/35 , G05B2219/33268 , G05B2219/33273 , G05B2219/37008 , G05B2219/41099 , G05B2219/41301 , G05B2219/42317 , G05B2219/42319 , G05B2219/42323
摘要： A position control circuit having a demodulator with automatic tuning capability for use in an electro-hydraulic positioning system used to position a servo device. The position control circuit includes the demodulator, an analog to digital converter with an input voltage range, and a microcontroller. The demodulator has a gain and is operable to convert a feedback signal from the servo device to a position signal having a lower voltage value when the servo device is at its 0% position and an upper voltage value when the servo device is at its 100% position; the lower voltage value and upper voltage values being a function of the demodulator gain. Upon operator initiation, the microcontroller automatically calculates the largest value for the demodulator gain that results in the position signal from the demodulator having a lower voltage value within a lower voltage range and an upper voltage value within an upper voltage range, where the lower voltage range and the upper voltage range are within the input voltage range of the analog to digital converter.
摘要翻译：一种位置控制电路，具有具有自动调谐能力的解调器，用于在用于定位伺服装置的电动液压定位系统中。位置控制电路包括解调器，具有输入电压范围的模数转换器和微控制器。解调器具有增益，并且可操作以在伺服装置处于其0％位置时将来自伺服装置的反馈信号转换为具有较低电压值的位置信号，并且当伺服装置处于其100％位置; 较低的电压值和上限电压值是解调器增益的函数。在操作员启动时，微控制器自动计算解调器增益的最大值，其导致来自解调器的位置信号具有较低电压范围内的较低电压值和较高电压范围内的较高电压值，其中较低电压范围并且上限电压范围在模数转换器的输入电压范围内。

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