User-motion-response type exercise equipment

Details User-motion-response type exercise equipment User-motion-response type exercise equipment

1996-08-05

1998-09-01

Apley, Richard J.

Exercise devices

Involving user translation or physical simulation thereof

Treadmill for foot travel

482 1, 482 3, 482 4, 482 7, 482901, A63B 2300

Patent

active

058003142

ABSTRACT:
A user-motion-response type exercise equipment capable of changing the moving speed of the moving belt surface so as to follow the running speed of the runner from the start to end of running. The equipment includes an endless belt mechanism having a moving surface for the user (runner) to walk or run on, a driving mechanism for driving the endless belt mechanism to move the moving belt surface at a speed in accordance with a control signal supplied externally, a position detector for detecting the user's position on the moving belt surface, and a controller for performing a control action combining a proportional control action and an integral control action in parallel in accordance with the user's position on the moving belt surface detected by the position detector as the controlled variable, and generating a control signal supplied externally to the driving mechanism and sending the control signal to the driving mechanism.

REFERENCES:
patent: 4708337 (1987-11-01), Shyu
patent: 5314391 (1994-05-01), Potash et al.
patent: 5368532 (1994-11-01), Farent

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