Six-axis joystick control
First Claim
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1. A control device comprising:
- an elastic beam;
strain gauges attached to the surface of said beam;
a first group of not more than three of said strain gauges each having an operative axis thereof inclined with a single predetermined angle with respect to the main axis of said beam,said strain gauges being disposed at a first predetermined level along said beam.
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Abstract
An isometric control device or the like of the type having an elastic beam and strain guages attached to the surface of the beam characterized by at least a first group of three strain guages (D, F, G) each having an operative axis thereof inclined with a single predetermined angle with respect to the main axis (z) of said beam (10), and the strain gauges disposed at a first predetermined level along said beam (10).
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Citations
36 Claims
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1. A control device comprising:
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an elastic beam; strain gauges attached to the surface of said beam; a first group of not more than three of said strain gauges each having an operative axis thereof inclined with a single predetermined angle with respect to the main axis of said beam, said strain gauges being disposed at a first predetermined level along said beam. - View Dependent Claims (10, 12, 15, 23, 27, 29, 35)
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2. A device comprising:
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an elastic beam; strain gauges attached to the surface of said beam; first and second groups of at least three said strain gauges disposed at first and second predetermined levels along said beam, respectively. - View Dependent Claims (4, 7, 11, 13, 14, 17, 20, 25, 28, 30, 32, 34, 36)
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3. A device comprising:
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an elastic beam; strain gauges attached to the surface of said beam; first, second and third groups of strain gauges being disposed, at first, second and third predetermined levels along said beam, respectively, to measure bending forces in said beam at said first, second, and third levels. - View Dependent Claims (5, 8, 9, 18, 21, 22, 26, 31, 33)
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6. A control device comprising:
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an elastic beam; strain gauges attached to the surface of said beam; at least a first group of three of said strain gauges each having an operative axis thereof inclined with a single predetermined angle with respect to the main axis of said beam, said strain gauges being disposed at a first predetermined level along said beam, said single predetermined angle being less than cotan-1 of the Poisson ratio of the beam angle. - View Dependent Claims (19)
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16. A control device comprising:
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an elastic beam; strain gauges attached to the surface of said beam; at least a first group of three of said strain gauges each having an operative axis thereof inclined with a single predetermined angle with respect to the main axis of said beam, said strain gauges being disposed at a first predetermined level along said beam, said three strain gauges being symmetrically disposed on said beam about said main axis. - View Dependent Claims (24)
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Specification