ELECTRIC MOTOR CLAMPING SYSTEM
First Claim
Patent Images
1. An electric motor system comprising:
- a power supply;
an electric motor connected to said power supply;
an object driven by said motor having a range of motion and a substantially neutral position within said range of motion;
a power sensor configured to sense power from said power supply;
a position sensor configured to sense position of said object in at least a portion of said range of motion;
an energy storage;
a controller connected to said power supply and said energy storage;
said controller configured and arranged to brake said motor as a function of said position sensor, said neutral position, and said power sensor.
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Abstract
An electric motor system having a power supply, an electric motor connected to the power supply, an object driven by the motor having a range of motion and a substantially neutral position within the range of motion, a power sensor configured to sense power from the power supply, a position sensor configured to sense position of the object in at least a portion of the range of motion, an energy storage, a controller connected to the power supply and the energy storage, wherein the controller is configured to brake the motor as a function of the position sensor, the neutral position and the power sensor.
118 Citations
63 Claims
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1. An electric motor system comprising:
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a power supply; an electric motor connected to said power supply; an object driven by said motor having a range of motion and a substantially neutral position within said range of motion; a power sensor configured to sense power from said power supply; a position sensor configured to sense position of said object in at least a portion of said range of motion; an energy storage; a controller connected to said power supply and said energy storage; said controller configured and arranged to brake said motor as a function of said position sensor, said neutral position, and said power sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method of driving an electric motor interface comprising the steps of:
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providing an external power supply input; providing a position sensor signal input; providing a switching network having switch gates; providing an electric motor interface for connecting to an electric motor; providing a controller; providing an energy storage interface; monitoring said external power supply input; and operating said switch gates to absorb power from said electric motor interface as a function of said position sensor input and said external power supply input. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A driver for an electric motor comprising:
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an external power supply input; a power sensor having an output and configured to monitor said external power supply input; a position sensor having an output; an AC to DC power rectifier; a switching network having switch gates; an electric motor interface for connecting to an electric motor; a control configured to monitor said power sensor output and said position sensor output and configured to operate said switch gates; a local energy storage interface for temporarily supplying power; wherein said control is configured to operate said switch gates such that a recovered power is drawn from said electric motor interface as a function of said power sensor output and said position sensor output. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63)
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Specification