Force cancellation

Cancellation of Feedthrough Dynamics Using a Force-reflecting Joystick

This paper reports on a set of theoretical and experimental investigations into the use of force reflection to enhance the dynamic behavior of human piloted vehicles, especially joystickcontrolled vehicles such as fly-by-wire jets, bulldozers, and powered wheelchairs. Briefly, force reflection is used in the manual controls to cancel the effects of feedthrough dynamics. Feedthrough dynamics ref...

Model-Based Cancellation of Biodynamic Feedthrough Using a Force-Reflecting Joystick

Manual control performance on-board a moving vehicle is often impeded by biodynamic feedthrough—the effects of vehicle motion feeding through the operator’s body to produce unintended forces on the control interface. In this paper, we propose and experimentally test a model-based controller that acts through a motorized manual interface to cancel the effects of biodynamic feedthrough. The cance...

طراحی سکونیرو ‏‎(force plate)‎‏

تجزیه و تحلیل گیت ‏‎(gait analysis)‎‏عبارت است از تحقیق روی راه رفتن از نظر حرکت اندامها می باشد، در این بررسی می توان مواردی نظیر کنترل موقعیت، سینتیک و سینماتیک بدن ، کنترل بدن و کنترل عصبی را در نظر داشت. اینگونه تحقیقات در ارتوپدی ، بیومکانیک ورزش و عصب شناسی و کاربرد دارند. پارامترهای مهم در اینگونه تحقیقات عبارت از نیرو ، ممان ، سرعت ، مصرف انرژی و فشار کف پا می باشند. سه روش برای اندازه ...

Cancellation theorem

Power control for successive interference cancellation with imperfect cancellation

This paper proposes and analyzes an iterative power control scheme for use with successive interference cancellation (SIC) in the presence of cancellation errors. In [1], SIC is shown to increase the capacity of cellular CDMA systems significantly, even if the signal cancellation is imperfect due to estimation errors. However, an important complication of SIC relative to conventional CDMA recei...