Force feedback and textures simulating interface device

Details Force feedback and textures simulating interface device Force feedback and textures simulating interface device

1990-02-02

1993-02-02

Smith, Jerry

Boots, shoes, and leggings

414 5, 901 34, 340706, B25J 300

Patent

active

051843196

ABSTRACT:
A man-machine interface is disclosed which provides force and texture information to sensing body parts. The interface is comprised of a force actuating device that produces a force which is transmitted to a force applying device. The force applying device applies the generated force to a pressure sensing body part. A force sensor on the force applying device measures the actual force applied to the pressure sensing body part, while angle sensors measure the angles of relevant joint body parts. A computing device uses the joint body part position information to determine a desired force value to be applied to the pressure sensing body part. The computing device combines the joint body part position information with the force sensor information to calculate the force command which is sent to the force actuating device. In this manner, the computing device may control the actual force applied to a pressure sensing body part to a desired force which depends upon the positions of related joint body parts. In addition, the interface is comprised of a displacement actuating device which produces a displacement which is transmitted to a displacement applying device (e.g., a texture simulator). The displacement applying device applies the generated displacement to a pressure sensing body part. The force applying device and displacement applying device may be combined to simultaneously provide force and displacement information to a pressure sensing body part.

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Iwata, "Artificial Reality with Force-Feedback: Development of Desktop Virtual Space with Compact Master Manipulator", Computer Graphics, vol. 24, No. 4, p. 165-170 Aug. 1990.
Kilkpatrick, "The Use of a Kinesthetic Supplement in an Interactive Graphic System," Ph.D. Thesis, UNC, Dept. of Computor Science, 1976.

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