Acting seating
First Claim
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1. An apparatus comprising:
- a force bias element coupled to a plant in a vehicle, the force bias element having a low bandwidth, and an active suspension including a linear electromagnetic actuator located within an interior of the force bias element, the linear electromagnetic actuator having a high bandwidth and being coupled to the plant.
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Abstract
A method for actively suspending a real plant in a vehicle includes modifying a control signal on the basis of a difference between a property of the real plant, as indicated by the response of the real plant to the control signal, and a property of a nominal plant.
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Citations
21 Claims
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1. An apparatus comprising:
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a force bias element coupled to a plant in a vehicle, the force bias element having a low bandwidth, and an active suspension including a linear electromagnetic actuator located within an interior of the force bias element, the linear electromagnetic actuator having a high bandwidth and being coupled to the plant. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. In a vehicle having a plant, an apparatus comprising:
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a force bias eliminator having a low bandwidth coupled to the plant;
an active suspension including an electromagnetic actuator coupled to the plant and having a high bandwidth, the electromagnetic actuator providing an actuation force, and a motion of the electromagnetic actuator being within a 45 degree phase angle with a motion of a center of gravity of the plant. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. In a vehicle with a plant, a method comprising:
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causing a low bandwidth force bias element coupled to the plant to operate at a low-frequency range;
causing a high bandwidth electromagnetic actuator coupled to the plant to operate at a high-frequency range such that a motion of the electromagnetic actuator is within 45 degree phase angle with a motion of a center of gravity of the plant. - View Dependent Claims (19, 20, 21)
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Specification