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JP4335689B2 |
Selective damping apparatus comprises at least one sensor (7) for detecting, and producing signals indicative of at least the frequency and amplitude of vibrations of a first structural component ("the resonant structure") (6) having one...
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JP4335111B2 |
To provide an angular velocity control unit capable of securing high space stability by eliminating influences of flexural vibration. After an AZ axis rotation component is removed by a subtractor 130 from an angular velocity signal dete...
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JP4327520B2 |
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JP4304825B2 |
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JP4282124B2 |
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JP4279717B2 |
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JP2009118684A |
To provide a vibration suppression controller capable of suppressing vibration caused by torque ripple of a reduction gear by estimating and correcting amplitude and phase of fluctuating vibration caused by torque ripple of the reduction...
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JP2009109008A |
To provide a vibration isolation system capable of reducing the complication of the total system by eliminating a large single mass point and/or cable harness while it makes possible to suppress the external turbulence and reducing the s...
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JP2009064419A |
To reduce the energy consumption of a vibrator.The servo-control system for a hydraulic system 7 comprises a pump 8 driven by a motor 9, which feeds hydraulic fluid to a vibrator 1 or vibrating system comprising eccentric weights driven ...
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JP2009061912A |
To provide a noise reduction device etc., hardly increasing noise even if test vibration is generated.The device comprises a plurality of acceleration sensors for detecting the vibration of a vehicle structure, a plurality of piezo actua...
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JP2009058616A |
To solve a problem that a sufficient control effect and a stable driving are not obtained when a same control parameter is given to a feed back control regardless resonance frequencies because the response characteristic to a driving sig...
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JP4238273B2 |
A control apparatus comprising a control unit outputting a control signal controlling a servo motor and suppressing natural vibration of a controlled object including a motor and a machine driven by the motor while controlling the contro...
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JP4239362B2 |
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JP4234220B2 |
The detector comprises layers on a transparent substrate, with at least one of the layers generating electrical current in response to a light beam. The combination of the transparent substrate, and the layers has sufficient transparency...
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JP4231925B2 |
To provide an active vibration controlling method in which a smart board obtained by embedding a piezoelectric fiber with a metallic core in a CFRP board is used as a controlled target, the piezoelectric fiber is used as a sensor/actuato...
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JP4226783B2 |
A method for measuring and controlling oscillations in a wind turbine with the wind turbine control system using spectrum analysis, to determine the existence and amplitude of vibrations on the basis of existing sensor/transducer signals...
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JP4224180B2 |
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JP2009016402A |
To provide a vibration isolation apparatus capable of detecting occurrence of an earthquake without needing an earthquake detection sensor nor stopping acceleration feedback loop control.This active vibration isolation apparatus includes...
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JP4210762B2 |
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JP2009008227A |
To provide an efficient vibration control device capable of reducing an output of a vibration control means and obtained by a small vibration control means.In the vibration control device 1 provided with a load support part 10, a counter...
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JP2009002509A |
To improve vibration control performance when pressure fluctuation or flow rate fluctuation of a gas supply source for a gas damper is large during using the gas damper.The vibration control device equipped with an air intake part 45 and...
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JP4205771B2 |
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JP4197371B2 |
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JP2008287635A |
To reduce vibration or noise generated in a base body, resulting from vibration of a vibration source as much as possible.A vibration of the base body is detected as an error signal e, a build-up point of a certain trigger level is read ...
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JP4184973B2 |
A novel electronics cooling method and system is disclosed. A very flexible and efficient operation of an electronics cooling system ( 10 ) is achieved by controlling circulation of a cooling medium in a closed system ( 40 ) containing a...
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JP4174543B2 |
The control apparatus 10 of a servo motor of the present invention has a position control unit 11 controlling the position of a servo motor 33, a speed control unit 12 controlling a speed of the servo motor 33, a distributing unit 13 div...
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JP4172414B2 |
A vibration controller includes a data map storage, a detector, a determiner, a signal generator, and an actuator. The data map storage stores amplitude and/or phase data with respect to torque values of a vehicle engine as a data map in...
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JP4165844B2 |
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JP2008238848A |
To provide a vibration control device capable of reducing output of a vibration control means efficiently with the small-sized vibration control means.This vibration control device is provided with a load supporting part 10 provided in a...
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JP2008239047A |
To provide a vibration control device materialized by a small vibration damping means, arranged in a small space, and capable of effectively using a space under a seat.This vibration control device 1 is provided with: a setting section F...
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JP2008238849A |
To provide a vibration control device capable of reducing the output of a vibration control means efficiently with the small-sized vibration control means.This vibration control device has a second traveling means 32 moving relatively fo...
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JP2008221912A |
To provide an efficient vibration control device which can set the moment by a biasing means with various characteristics, reducing an output of a damping means, and can be obtained by the compact damping means.The vibration control devi...
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JP4146141B2 |
A vibration controller controls vibrations generated in a driven object included in a system subject to vibrations due to the dynamic unbalance or eccentricity of a rotating member driven for rotation by an electric motor. An angular pos...
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JP2008191774A |
To provide a mechanical vibration suppressing method capable of solving a problem that a motor has conventionally malfunctioned by detecting by a sensor minute mechanical vibration that cannot be suppressed even when the motor stops.An a...
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JP4137131B2 |
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JP2008175394A |
To provide an effective system limiting the influence of external vibration on an object.A connecting system between a first member 2 and a second member 4 is provided with: a link 6 transmitting force between the first member 2 and the ...
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JP4123569B2 |
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JP4114208B2 |
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JP4113960B2 |
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JP4109747B2 |
An anti-vibration table having a structure supporting a movable stage is supported by an air spring actuator. The control system of the air spring actuator has a position feedback system for positioning the anti-vibration table at a pred...
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JP4107219B2 |
The system has a control device (41) to generate a control signal having a control frequency and phase based on a signal synchronized with the operation of an electrical engine of a vehicle. The device and a drive portion (28a) control t...
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JP4098159B2 |
The apparatus has a rock detecting circuit (8), which detects rock of a movable portion of an actuator (1). A switch circuit (4) is connected to a start signal generating circuit (3) and a drive timing signal generating circuit (7). The ...
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JP4095480B2 |
The present invention relates to a vibration controller for driving those movable parts, such as linear motor and other movable components, formed on a structural unit. It has a simple structure to deal with the counter forces generated ...
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JP4092878B2 |
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JP4085469B2 |
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JP4082629B2 |
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JP4078330B2 |
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JP4078694B2 |
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JP4078712B2 |
To reduce a clearance loss while increasing vibration control performance by providing a sensor detecting the displacement quantity of the payload mounted on a launch vehicle, and controlling the expansion characteristics of multiple sup...
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JP4075135B2 |
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