| Document |
Document Title |
|
WO/2011/148623 |
A motor control apparatus is provided with a first notch filter arranged within a feedback control system; a vibration extraction filter for outputting a signal (x1) containing vibration components therein; a second notch filter into whi...
|
|
WO/2011/115488 |
Active vibration isolation system, arrangement and method Abstract An active vibration isolation system combines a passive vibration isolation system with and motion control to minimize motion of a table. Actuators between the floor and ...
|
|
WO/2011/114165 |
Vibration control apparatus for controlling vibration of a structure(6), the apparatus comprising, an inertial actuator(1), a velocity sensor (4) to measure the velocity of vibration of the structure, and a controller (2) to provide a ga...
|
|
WO/2011/115153 |
Provided is an electromagnetic vibration suppression device that eliminates a special edge position detection sensor and can appropriately suppress the vibration of not only a steel plate traveling with a normal posture but also a steel ...
|
|
WO/2011/081018 |
Provided is a vibration control device wherein appropriate measures are taken to prevent drive command signals from becoming excessive. Said vibration control device is provided with a reference wave generation means (3) for generating a...
|
|
WO/2011/065441 |
Provided is a vibration damping device wherein vibration damping properties and stability are improved even in a case where the frequency of a vibration to be damped is erroneously recognized as a frequency different from an actual frequ...
|
|
WO/2011/023362 |
The invention relates to a method for shaping using a machine comprising a main actuator and equipment, at least a portion of which is driven by said main actuator so as to exert forces on the material to be shaped. The machine is provid...
|
|
WO/2010/143959 |
An active vibration isolation and damping system (11) comprising a payload (12) that has to be isolated or damped, a vibration sensor (14) for detecting a vibration of the payload, an actuator (15) for moving the payload relative to a be...
|
|
WO/2010/139354 |
In accordance with the invention, a method for vibration damping and shape control of a suspended metal strip is provided. The method comprises the steps of : measuring distance to the metal strip 1 by a plurality of non-contact sensors ...
|
|
WO/2010/118752 |
The invention relates to methods for prediction of parametric rolling of vessels. The methods are based on frequency domain and time domain information in order do set up a detector able to trigger an alarm when parametric roll is likely...
|
|
WO/2010/095272 |
An error matrix (∆) is added to a state space model to represent an uncontrollable system, so that a corrected state space model, in which a state space model is so corrected as to indicate a controllable system, is designed. A control...
|
|
WO/2010/073412 |
A state feedback controller (K) of a generalized plant (G) is so designed that the L2 gain of a closed loop control system (S) including the generalized plant (G) designed by using a lag approximation model (M) and the state feedback con...
|
|
WO/2010/069890 |
The invention relates to a device (20) for controlling the movement of a load (15) suspended by cables (14) from a hook point (10) that is rotatable about a vertical axis (Z) and movable translationally along an axis of translation (X), ...
|
|
WO/2009/139424 |
A target vibration level is determined in advance, and vibration occurring at a position where vibration is to be controlled is kept below the target vibration level. The device comprises a frequency detection means, which detects the fr...
|
|
WO/2009/139403 |
Disclosed is a vibration control device capable of increasing vibration control efficiency even when the location of the vibration control subject and the location where the vibration control force is generated are different. The vibrati...
|
|
WO/2009/110331 |
Disclosed is a control system which can implement a CPG (Central Pattern Generator) network having an excellent controllability. The control system (1) (CPG network) is formed by a plurality of oscillation control devices 5i (CPG) and on...
|
|
WO/2009/096806 |
A method of controlling operation of an ESP, comprising determining at least one operating speed (rpm) at which the ESP experiences unacceptable levels of lateral vibrations; and applying a periodic modulation to the operating speed when...
|
|
WO/2009/094129 |
A method to adjust a modal property of a material removal tool without changing a projection length of the material removal tool is disclosed. Adjusting substantially aligns a characteristic frequency of the material removal tool with a ...
|
|
WO/2009/073958 |
There is provided a method and a system for estimating parameters of a multi-tone signal made up of at least one single-tone signal, wherein the method comprises: generating time samples of the multi-tone signal by using a sampler; calcu...
|
|
WO/2009/065808 |
The invention relates to a device for regulating the displacement of a load (15) suspended by cables from a carriage (10) which can move along at least one horizontal axis (X, Y) in a lifting apparatus. The regulating device (20) calcula...
|
|
WO/2009/024537 |
The invention relates to a system for affecting vibration, particularly in the case of a vibration absorber or a force generator for reducing vibrations in aircraft and spacecraft. The energy needed to drive an actuator (4) is obtained e...
|
|
WO/2008/138045 |
A device to effect optimum delivery of dry bulk material from a hopper including means to provide vibratory stimulus to the hopper, the said means including means to identify the resonant frequency of the hopper and its contents at any t...
|
|
WO/2008/125141 |
The invention relates to a device having an electro-acoustic converter, having a main emission direction (R) for acoustic waves and comprising a first part (1) and a second part (4), with the first part (1) being displaceable relative to...
|
|
WO/2008/110704 |
The invention relates to a method for balancing the movement of magnetised mobile masses (10, 20) in a bi-linear electrodynamic motor that comprises two mobile masses (0, 20) moving in opposite directions parallel to the axis (x-x) of th...
|
|
WO/2008/066035 |
An acceleration/deceleration thrust power generated when an excitation side actuator (80) is driven is found. Based on the acceleration/deceleration thrust power, a seismic isolation side actuator (30) is so driven as to cancel a reactio...
|
|
WO/2008/044712 |
A pressure regulator for controlling pressure with high response and high accuracy even a flow fluctuation occurs on the downstream side. The pressure regulator (1) regulates the rate of inflow into an isothermal pressure vessel (13) for...
|
|
WO/2008/017494 |
Method for ultrasound excitation of structures of any geometry, comprising the steps of producing a connection between a generator, an ultrasound converter, and at least one mechanical system to be excited, passing through a frequency ra...
|
|
WO/2008/017494 |
Method for ultrasound excitation of structures of any geometry, comprising the steps of producing a connection between a generator, an ultrasound converter, and at least one mechanical system to be excited, passing through a frequency ra...
|
|
WO/2007/147994 |
The method generates, by means of an actuator (1), a counter vibration (CV) to reduce or cancel the original vibrations and noises (V) at a given point in the cabin of the vehicle termed the control point (Pc), - the power plant itself i...
|
|
WO/2007/147896 |
The present invention relates to an inertial measurement unit with enhanced acceleration withstand capability and is characterized in that it comprises at least five accelerometers (Acc1 to Acc5), the sensitive axes of which are placed a...
|
|
WO/2007/129627 |
A damper for automobiles capable of producing good damping effect with a simple structure while ensuring high reliability. The damper is used for reducing the vibration of an automobile body and attached to the automobile body. The dampe...
|
|
WO/2007/125663 |
A vibration oscillator comprises a spool valve and a pressure differentiator. In order to improve the dynamic characteristics of the spool valve in the dead band, the vibration isolator is so controlled that the feedback value of pressur...
|
|
WO/2007/116254 |
An improved signal processing method and apparatus are presented for use in real-time sub-nanometer scale position measurements with the aid of probing sensors and/or beams scanning periodically undulating surfaces such as a grating and ...
|
|
WO/2007/103924 |
An electrical distribution system (EDS) wherein electrical current flows through a bus (B) to a feeder (R), and through the feeder to laterals (L1, L2). From the laterals, current flows through step-down transformers (T1-T4), each of whi...
|
|
WO/2006/129612 |
In order to realize both the improvement in a disturbance suppression force of an electric motor control device and the vibration suppression of a load machine (2) by an easy adjustment, a speed control circuit (9a) inputs a speed comman...
|
|
WO/2006/116271 |
A control system for a mechanical oscillator having a sinusoidal drive signal with a frequency that is a fractional multiple of a frequency of a signal of the mechanical oscillator. The drive signal may be in phase and in registration wi...
|
|
WO/2006/081558 |
Apparatuses and methods for manipulating droplets on a printed circuit board (PCB) are disclosed. Droplets are actuated upon a printed circuit board substrate surface by the application of electrical potentials to electrodes defined on t...
|
|
WO/2006/080257 |
A cantilever control device which, in an atomic force microscope, can prevent a cantilever self-excited oscillation from stopping and also prevent a cantilever probe from contacting an object of measurement. In an atomic force microscope...
|
|
WO/2006/052210 |
Structural element, such as a panel, which is embossed with a mode shape (Φtotal), i-e. with any of the various stationary vibration modes (Φn) of which the structural element is capable, or a combination thereof.
|
|
WO/2006/043455 |
[PROBLEMS] A pneumatic vibration removal system with a vibration removal device using pneumatic pressure, the system has high damping characteristics, has a wide damping frequency range, and has capability of changing the attitude of an ...
|
|
WO/2006/021436 |
The invention relates to a method for guiding a strip between two opposite coils of a device which comprises a position sensor for determining the position of the strip between the coils. The first coil is impinged upon with a first curr...
|
|
WO/2005/124475 |
There is provided a method for automatically setting a vibration suppression filter by a servo control device. When a vibration detector detects vibration [A2], a state amount frequency analyzer subjects data in the state amount trace un...
|
|
WO/2005/098263 |
The aim of the invention is an improvement in the damping of resonant vibrations at the so-called Tool Centre Point, at which the tool and the workpiece come into contact in machine tools. Said aim is achieved, whereby the vibrations of ...
|
|
WO/2005/073591 |
The invention relates to a gripping element wherein a mechanical element is maintained. Said gripping element can be embodied as a rigid gripping element or comprises at least two bearings, preferably a rigid bearing (2) and a moveable b...
|
|
WO/2005/031186 |
An active vibration absorber is provided for absorbing vibrations in a member (21). An inertial mass (22) is mounted on the member with a stiffness (24) between the member and the mass. A force actuator arrangement (23) applies a force b...
|
|
WO/2005/026859 |
Using a simple method that requires no special processings, a control apparatus automatically determines the vibration frequency so as to decide which filter is required and set the filter. A servo control apparatus for driving a servomo...
|
|
WO/2004/077658 |
In a closed loop control method of a linear vibration actuator which vibrates linearly and energized by a switching element driven in a PWM control method, a crest or peak point (Bc, Bp) of the back electromotive force occurring in the l...
|
|
WO/2004/030834 |
The invention relates to a machine, especially a machine for cleaning grain, for processing a product, especially grain, by means of a vibratable machine part which is coupled to the machine frame. The machine (KR) is embodied in such a ...
|
|
WO/2004/025035 |
The present invention discloses a magnetic-driving initiative mass vibration control system comprising a control device, a track and a block of mass the bottom of which is provided with a DC energizing coil as the secondary pole of a VCM...
|
|
WO/2003/089805 |
A collision energy-absorbing device includes a body member connected between the frame assembly of a motor vehicle and a bumper beam. The body member collapses as the bumper beam and the frame assembly are moved relatively toward one ano...
|
