| Document |
Document Title |
|
JPH05202983A |
PURPOSE: To sufficiently reduce vibration or noise in a short time by feeding back the phase and amplitude of an actuator controllably for specified periods, respectively, so that vibration or noise of a vehicle can be reduced, and also ...
|
|
JPH05202982A |
PURPOSE: To quicken vibration or noise reduction of a vehicle, and also reduce it stably and sufficiently. CONSTITUTION: Based on a signal detected by an acceleration sensor 30 for detecting vibration of a steering wheel 10, exciting dev...
|
|
JPH0550696B2 |
In order to ensure that the vibrations of a system under test (12) are in accordance with a reference spectral density Z(w), the system (12) is driven by a signal xn(t) provided by an inverse discrete Fourier transform (24) with random p...
|
|
JPH05187479A |
PURPOSE: To sufficiently reduce the vibration of a vehicle by preventing the misjudgment of increase and decrease in the vibration or noise of the vehicle. CONSTITUTION: Exciting machines 7, 8 are actuated on the detection signal of an a...
|
|
JPH05187480A |
PURPOSE: To speed up a reduction in the vibration or noise of a vehicle and to prevent the misjudgment of increase and decrease in the vibration or noise of the vehicle. CONSTITUTION: Exciting machines 7, 8 are actuated on the detection ...
|
|
JPH05181541A |
PURPOSE:To eliminate the generation of a peeling vortex and a shearing laminar vortex flow and to prevent the bridge beam structure from vibrating by arranging a vortex generating means which generates vortexes having axes in the flow di...
|
|
JPH05182328A |
PURPOSE: To provide an optical disk device capable of stabilizing a focus servo system by suppressing a mechanical vibration of the optical disk, even if the optical disk having a different structure is used. CONSTITUTION: The optical di...
|
|
JPH05178297A |
PURPOSE: To realize damping control with inexpensive and light devices by connecting together two members by means of a spring mechanism that generates force that reduces a relative displacement in proportion to the relative displacement...
|
|
JPH0548183B2 |
The detected phase difference between a sensed motion velocity signal and an electric motor driving signal is used to drive a phase-locked loop which automatically generates a sinusoidal reference signal having a frequency substantially ...
|
|
JPH05176573A |
PURPOSE: To obtain a combinational circuit of a signal waveform by providing a gate means, in which the graph data of a second data holding means are taken into a first data holding means as indication data every time the time set by a t...
|
|
JPH05176501A |
PURPOSE: To contrive miniaturization by providing a reciprocating vibration generator, automatically actuated by a pressure of pressurized fluid, to form a device itself in simple consitution while reducing an energy loss. CONSTITUTION: ...
|
|
JPH05171617A |
PURPOSE: To control the change of lifting force by a method in which a fairing having an opening and a nozzle duct leading to the upper and lower parts is set on both sides of bridge girder for suspension bridges to make the cross-sectio...
|
|
JPH05171837A |
PURPOSE: To prevent a bridge girder from vibrating vertically or in the direction of torsion when receiving a strong wind from the side or the diagonal direction, by providing a weight at the lower face to be freely movable toward the ax...
|
|
JPH05172182A |
PURPOSE: To shorten a time to reach the minimum, as for vibratin or noise of a vehicle. CONSTITUTION: Vibration of steering at idle running is decreased by vibrating a radiator 1 by means of a first and a second exciting machines 7,8. On...
|
|
JPH05504291A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
|
|
JPH05164187A |
PURPOSE: To make an absorber applicable even to a structure with a long natural vibration period by fitting a rotary body to a pendulum turning shaft through a decelerator, adjusting the deceleration ratio of the decelerator and the iner...
|
|
JPH05156842A |
PURPOSE: To obtain high precision by making the number of wiring small, making the effect of noise less in the case of synchronous control at the test time of active dynamic dampers. CONSTITUTION: The 1st and 2nd dampers 1, 2 are arrange...
|
|
JPH05149379A |
PURPOSE: To provide a vibration omission device capable of favourably controlling itself against slight vibration while absorbing position slippage at the time of assembling. CONSTITUTION: A piezo actuator 5Z constituted by interposing m...
|
|
JPH05143168A |
PURPOSE:To obtain a compact and highly efficient ultrasonic wave generator without stopping oscillation even in the case of heavy load in respect to an ultrasonic wave generator for an ultrasonic welder. CONSTITUTION:A voltage control os...
|
|
JPH05141976A |
PURPOSE:To provide a damping force generating device capable of erasing the bending deformation in all directions generated on a structure with a gyrostabilizer by driving the couple generating shaft of the gyrostabilizer. CONSTITUTION:A...
|
|
JPH05141475A |
PURPOSE: To improve the damping effect and raise the comfortableness in riding, the availability factor, and the safety without modifying a conventional revolution damper by large margin. CONSTITUTION: An angular velocity sensor 4 detect...
|
|
JPH05134707A |
PURPOSE:To remove the influence of resonance frequency in a controlled system and to set a band high for improving the estimation performance of a disturbance observer by additionally arranging a notch filter to a torque disturbance obse...
|
|
JPH05131173A |
PURPOSE: To provide an actuator capable of performing both of shape control and vibration control and capable of releasing a clamp by applying voltage to a piezoelectric element. CONSTITUTION: An actuator is constituted of a pair of clam...
|
|
JPH0533216U |
[Purpose] It is a fluctuation application device that utilizes the heartbeat cycle of the human body. [Constitution] The fluctuation application device according to the present invention is a heart rate measuring device that measures the...
|
|
JPH0599272A |
PURPOSE: To reduce the vibration of a vehicle sufficiently even if the temperature of a piezoelectric element is changed. CONSTITUTION: A vibration exciter 4 vibrates a radiator 1 and reduces the vibration of a vehicle. The vibration exc...
|
|
JPH0599271A |
PURPOSE: To reduce the number of sensors by making an input of the relative displacement between a vibration resisting table body and a floor affected by the ground motion vibration into a position controller, realizing the differentiati...
|
|
JPH0579531A |
PURPOSE: To provide a vibration control device that can automatically correct difference in added mass. CONSTITUTION: An added mass 6 is slid in the direction X by driving force of an AC servomotor 8, and vibration is damped by a vibrati...
|
|
JPH0573155A |
PURPOSE:To provide the drive control circuit for ultrasonic vibrator capable of the consecutive variable control of the frequency output over a relatively wide range. CONSTITUTION:The circuit is provided with an oscillation circuit 2 for...
|
|
JPH0571579A |
PURPOSE: To sufficiently reduce the vibration of a vehicle. CONSTITUTION: The vibration in steering in idling operation is suppressed by vibrating a radiator 1 by the first and second vibrators 7 and 8. The phase and amplitude of the fir...
|
|
JPH0569853A |
PURPOSE: To provide a vibration control device for a subframe wherein vibration and noise generated in a body can be reduced without generating a frequency region of large worsening vibration and noise. CONSTITUTION: A supporting part 58...
|
|
JPH0521001B2 |
A standing wave is produced by interaction between the outputs of a pair of ultrasonic transducers driven by respective signal generating means. A phase interlock determines the phase difference between the signals and thus is progressiv...
|
|
JPH0571576A |
PURPOSE: To improve the durability and reliability of a piping system and equipment by effectively absorbing the fine vibration by installing a damper control means for controlling the viscosity of an electric working fluid by the signal...
|
|
JPH0571578A |
PURPOSE: To sufficiently reduce the vibration of a vehicle and prevent the deterioration of responsiveness. CONSTITUTION: The detection signal of a microphone 20 is divided into the primary component and secondary component of the engine...
|
|
JPH0521174B2 |
|
|
JPH0571577A |
PURPOSE: To sufficiently reduce the vibration of a vehicle. CONSTITUTION: The vibration in steering during idling operation is suppressed by vibrating a radiator 1 by the first and second vibrators 7 and 8. When the phase in the vibratio...
|
|
JPH0565940A |
PURPOSE: To prevent the vibration of a vehicle from being increased by the vibration of exciters at the time of the change rate of engine speed being large. CONSTITUTION: A radiator 1 is vibrated by a first and a second exciters 7, 8 so ...
|
|
JPH0566847A |
PURPOSE:To obtain the driving control circuit for an electromagnetic vibrator capable of obtaining roughly prescribed amplitude even if a power supply voltage is fluctuated, at a low cost. CONSTITUTION:An output of a rectifying circuit i...
|
|
JPH0565939A |
PURPOSE: To reduce the vibration of a vehicle sufficiently by continuing the feedback control of phase or amplitude based on a vibration detecting means even if the phase or amplitude is changed into such phase or amplitude as to increas...
|
|
JPH0518991B2 |
|
|
JPH0517795B2 |
|
|
JPH0517707U |
[Purpose] Provided is a control signal generator capable of suppressing vibration of a movable mechanism when idling operation is stopped and preventing an increase in takt time. [Constitution] The maximum achievable acceleration is give...
|
|
JPH0546258A |
PURPOSE:To suppress the oscillation of a mechanism system to occur by an arithmetic period. CONSTITUTION:An arithmetic unit 2 outputs a digital command signal 100 for each arithmetic period Tp (sec). The digital command signal 100, after...
|
|
JPH0546248A |
PURPOSE:To realize the correct posture and damping control by improving the posture controllability and the damping suppression of a flexible part compared with the case when a conventional controller is used. CONSTITUTION:A compensator ...
|
|
JPH0514879U |
[Purpose] Improve the performance of the shaking table control device. [Constitution] In the shaking table controller, from the first subtractor 24 that outputs the acceleration deviation signal from the target acceleration waveform 1S a...
|
|
JPH0546255A |
PURPOSE:To make a noise low by operating a driving body so as to cancel the detected force or the change of displacement and minimizing the force to operate to a friction member or the change of the displacement. CONSTITUTION:A pin 12 is...
|
|
JPH0538911A |
PURPOSE: To increase riding comfortableness by adopting LQ control theory to satisfy the evaluation function and weights to a specified condition and controlling selectively a human sensing acceleration of frequency according to a riding...
|
|
JPH0533826A |
PURPOSE: To improve vibration isolation performance in horizontal directions by supporting a whole vibration system in a well-balanced condition. CONSTITUTION: An active vibration insulating device comprises a horizontal vibration sensor...
|
|
JPH059592U |
[Purpose] The present invention provides an aerial mobile playset facility capable of improving the operating rate of the facility by reducing the risk due to the shaking of the playset and increasing the safety. [Constitution] In an aer...
|
|
JPH0510158B2 |
|
|
JPH054010Y2 |
|
