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首页> 外文期刊>Journal of Theoretical and Applied Information Technology >PROGRAMMABLE AMPLITUDE OF PORTABLE ELECTRICAL STIMULATOR FOR MULTI-CHANNEL FUNCTIONAL ELECTRICAL STIMULATOR (FES) SYSTEM
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PROGRAMMABLE AMPLITUDE OF PORTABLE ELECTRICAL STIMULATOR FOR MULTI-CHANNEL FUNCTIONAL ELECTRICAL STIMULATOR (FES) SYSTEM

机译：多通道功能电刺激器（FES）系统的便携式电刺激器的可编程幅度

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Fundamental research about Functional Electrical Stimulation (FES) indicates that FES can be used to rehabilitate motoric system of patient experiencing damage at arrangement of central nerve resulted from cerebrospinal of cord injury (SCI) and also stroke. To generate impulse to human body organ activated by FES is difficult and very complex because of nonlinearity response from neuromuscular system, various response of musculoskeletal system such as having long time delay and fatigue phenomenon (muscle fatigue). Therefore, an open-looped control system is inappropriate to employ. Close-looped control is feasibly appropriate to overcome this constraint in FES appliance to yield accurate impulse generator. For the application of closed-loop control at clinical level, FES system must be designed using portable multi-channel device to pleasant the patient. In this research, the realized FES stimulator is designed by employing a highly linear boost converter circuit using fixed frequency and duty cycle ranging from 0% to 25%, because it yields relatively linear and higher output voltage swing than FES controlled by frequency.
机译：有关功能性电刺激（FES）的基础研究表明，FES可用于修复因脊髓损伤（SCI）和中风引起的中枢神经排列受损的患者的运动系统。由于神经肌肉系统的非线性响应，肌肉骨骼系统的各种响应，例如具有长时间延迟和疲劳现象（肌肉疲劳），要产生由FES激活的人体器官的冲动是困难且非常复杂的。因此，不宜采用开环控制系统。闭环控制非常适合克服FES设备中的此约束，以产生精确的脉冲发生器。为了在临床水平应用闭环控制，必须使用便携式多通道设备设计FES系统，以使患者满意。在这项研究中，已实现的FES刺激器是采用高度线性的升压转换器电路设计的，该电路使用固定频率和0％到25％的占空比，因为它产生的线性度比输出FES受频率控制更高。

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