摘要:
A search processor associates identifying information regarding terminal devices and stores this in an information memory as a team, an information deletion processor transmits a member deletion request from one terminal device belonging to a team, to the other terminal devices belonging to the team, regarding another terminal device belonging to the team, and deletes from the information memory the identifying information regarding the other terminal device based on the responses from each terminal device, and a replacement processor transmits an admission request from one terminal device belonging to the team to the other terminal devices belonging to the team, selects a terminal device that satisfies the admission criteria included in the admission request based on the responses from the other terminal devices, and stores the identifying information regarding the selected terminal device in the information memory.
摘要:
A vibration damping actuator including: a cup-shaped housing; an output member disposed spaced apart from an opening end of the housing; a guide rod disposed on the output member and positioned inserted into a guide hole; a coil member provided to one of the housing and the output member; an armature disposed on an other of the housing and the output member, the armature being adapted to exert actuating force on the output member; an annular fixing member arranged about the output member; a support rubber plate disposed between the annular fixing member and the output member; and a positioning projection formed at an inside peripheral edge of the fixing member by projecting the inside peripheral edge of the fixing member in cylindrical configuration in an axial direction towards an inside of the housing. The positioning projection is disposed at a location situated inward by a predetermined distance from the opening of the housing for positioning the fixing member relative to the housing.
摘要:
A control section outputs a reference signal which corresponding to a frequency and an amplitude of signals sent from a vibration generation source. The pulse width modulation section generates a drive control signal to, an electromagnetic valve, connection of an air chamber and is alternately switched between the side of an inlet port and the side of the atmosphere. The drive control signal corresponds to an amplitude of the reference signal and is composed of at least the same number of pulses corresponding to a duty ratio-changed frequency as that of each one period of the standard signal. The drive control signal is synchronized with the standard signal. The number of pulses of the drive control signal for each period of the reference signal is changed corresponding to a control frequency of the standard signal so that the number of pulses and the control frequency is not larger than a responding frequency of the electromagnetic valve.
摘要:
A fluid-filled elastic mount including an elastic body elastically connecting a first and a second support, and partially defining a fluid chamber filled with a non-compressible fluid. The elastic mount includes an oscillating plate which partially defines the fluid chamber and which is displaceable to change a pressure of the fluid in the fluid chamber, and a permanent magnet disposed on one of opposite sides of the oscillating plate remote from the fluid chamber. A first and a second yoke member are connected to opposite magnetic pole faces of the magnet by a plastic material, and cooperate with the magnet to define a closed magnetic circuit. The yoke members define therebetween an annular gap in the magnetic circuit, in which a magnetic fluid and an annular moving coil are received. The magnetic fluid includes magnetic particles dispersed in a liquid medium. The coil is fixed to the oscillating plate, to oscillate the oscillating plate upon energization of the coil.
摘要:
A fluid-filled elastic mount wherein an elastic body elastically connecting first and second supports partially defines a fluid chamber filled with a non-compressible fluid. The elastic mount includes an oscillating plate which partially defines the fluid chamber and which is displaceable to change a pressure of the fluid in the fluid chamber, and a permanent magnet disposed on one of opposite sides of the oscillating plate remote from the fluid chamber. The permanent magnet is made of a plastic magnetic material including a magnetic material and a plastic material as a binder for the magnetic material. First and second yoke members are held in contact with opposite magnetic pole faces of the magnet, and cooperate with the magnet to define a close magnetic circuit. The yoke members define therebetween an annular gap in the magnetic circuit, in which an annular moving coil is received. The coil is fixed to the oscillating plate, to oscillate the oscillating plate upon energization of the coil. Also disclosed is a method of manufacturing the elastic mount, in which a spacing between the yoke members is filled with the plastic magnetic material in a plasticized state, which is then solidified to provide the permanent magnet.
摘要:
A mounting device such as an engine mount for automobiles, which receives various types of vibrations over a wide frequency range, is required to exhibit a low dynamic spring constant with respect to the input vibrations in a middle- to high-frequency range, while assuring high damping characteristics with respect to the input vibrations in a low frequency range. The present invention provides a fluid-filled mounting device wherein a pressure-receiving chamber (38) which receives vibrations and a variable-volume equilibrium chamber (40) are disposed between a first and a second support member (10, 14) which are elastically connected to each other by an elastic rubber body (26), such that the pressure-receiving and equilibrium chambers are filled with a predetermined non-compressible fluid, and are held in communication with each other via an orifice passage (46), and wherein a movable member (54) is movably accommodated in the pressure-receiving chamber (38) while a support member is provided for preventing the movable member (54) from contacting the inner wall of the pressure-receiving chamber (38) whereby a resonance portion having a predetermined space is formed around the movable member (54), so that the fluid is caused to flow through the resonance portion upon application of the vibrations. The mounting device according to the present invention can exhibit a high damping effect against the input vibrations in a low frequency range, due to a resonance of the fluid flowing through the orifice passage (46), and can also provide a low dynamic spring constant against the input vibrations in a middle- to high-frequency range, due to a resonance of the fluid flowing through the resonance portion formed around the movable member (54).
摘要:
Network game system for playing a game with the aim of a achieving a predetermined goal. The game is played, via data terminals operated by member players, in a game space provided on a game server, while communicating with the game server on the network. The game server includes a recruiting information generating section for generating, upon receipt from a member player of referral information specifying the mail address of the data terminal of a non-member player, recruiting information including information specifying the member player, an enrollment processing section for performing enrollment processing upon receiving application information in response to recruiting information sent to the mail address of the non-member, and an advantage conferring section for conferring to the referring member player advantages useful in achieving the goal of the game.
摘要:
A fluid-filled elastic engine mount including an elastic body elastically connecting two mutually spaced-apart first and second mounting members and partially defining a pressure-receiving chamber filled with a non-compressible fluid, a flexible diaphragm partially defining an equilibrium chamber whose volume is variable, a movable oscillating plate partially defining the pressure-receiving chamber, an oscillating device for oscillating the movable oscillating plate for controlling pressure of the fluid in the pressure-receiving chamber, a first and a second orifice passage for effecting fluid communication between the pressure-receiving and equilibrium chambers. The first and second orifice passages are tuned to a low frequency band corresponding to an engine shake vibration and a medium-frequency range corresponding to an engine idling vibration, while the first and second orifice passages are disposed parallel to each other. The elastic engine mount further comprises a deformable elastic plate disposed in one of opposite opening of the second orifice passage located on the side of the pressure-receiving chamber, so that the deformable elastic plate closes the opening of the second orifice passage on the side of the pressure-receiving chamber.
摘要:
An adaptive control method employs an adaptive signal generation algorithm 11 for generating an adaptive signal y(n) which cancels a cyclic signal y(n) at a measurement point 24, and an adaptive coefficient vector renewing algorithm 12 for renewing the amplitudes a(n) and phases &phgr;(n) of the adaptive signal y(n). The adaptive coefficient vector renewing algorithm 12 is quasi-normalized by a sum [A(&ohgr;)+&ggr;]. The A(&ohgr;) is a gain measurement of a transfer characteristic 23, and the &ggr; is a divergence prevention constant. Hence, in a frequency region where the gain A(&ohgr;) is high, a step size is small so that the stability of the adaptive control method can be enhanced. In a frequency region where the gain A(&ohgr;) is low, the step size is large so that the adaptability can be improved. As a result, the convergence stability and the characteristic following the frequency variation are compatible with each other.
摘要:
An upper support for a suspension system, including a generally cylindrical inner rigid member, a generally cylindrical outer rigid member, and at least one generally annular elastic body which is interposed between the inner and outer rigid members for elastically connecting these members, and which at least partially defines at least one fluid chamber that is filled with a non-compressible fluid. The upper support further includes at least one resonance member each of which is accommodated in the corresponding fluid chamber and has an outer configuration substantially corresponding to an inner shape of the corresponding fluid chamber. Each resonance member is supported by the inner rigid member or the outer rigid member, and cooperates with an inner wall surface of the corresponding fluid chamber to define a resonance portion which has predetermined dimensions, and through which the non-compressible fluid is forced to flow upon application of a dynamic vibrational load.