32results about How to "Best damping state" patented technology

The invention discloses a piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper which comprises a vibration damper body and a vibration damper controller. The vibration damper body comprises a cylinder barrel, a pressure supporting floating piston, a middle isolation floating piston, a piston rod, piezoelectric generation modules, a spring pressing plate, a force transfer spring, a spring clamping seat, a lower permanent magnet, a magnetic coil, an upper permanent magnet, a magnetism isolating plate, a piston, an excitation coil winding, an electromagnetic induction coil fixing rod and an electromagnetic induction coil. A control box is arranged on the outer wall of the cylinder barrel, the vibration damper controller is arranged inside the control box, and a rectifier, a storage battery charging circuit, a first controllable constant current source circuit and a second controllable constant current source circuit are further arranged inside the control box. The invention further discloses a control method of the piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper. The piezoelectric and electromagnetic induction dual energy feedback type magneto-rheological vibration damper has the piezoelectric and electromagnetic induction dual energy feedback function, can achieve not only a damping change function but also a rigidity change purpose, and has good vibration damping performance.

The invention discloses a multi-mode electromagnetic energy-regenerative vehicle active suspension actuator. The multi-mode electromagnetic energy-regenerative vehicle active suspension actuator comprises an actuator main body and an actuator controller, wherein the actuator main body comprises a piston cylinder, a permanent magnet linear motor module, an adjustable damping vibration absorber module, an actuator upper end cover and a lower lifting lug. The permanent magnet linear motor module comprises a secondary piston rod, a linear motor upper end cover, a linear motor lower end cover, a plurality of silicon steel sheets, a plurality of primary coils and a permanent magnet; the adjustable damping vibration absorber module comprises a vibration absorber piston rod, a sleeve, an upper lifting lug, a sealing separation plate, a big piston, a small piston, a damping liquid passage and a proportional electromagnetic valve; and an input end of the actuator controller is connected with an acceleration sensor, a sprung mass speed sensor and an unsprung mass speed sensor. The invention further discloses a control method for the multi-mode electromagnetic energy-regenerative vehicle active suspension actuator. The invention is advantaged in that the energy-regenerative efficiency of the multi-mode electromagnetic energy-regenerative vehicle active suspension actuator is high, the service life of a vehicle-mounted storage battery can be effectively prolonged and an active suspension is in an optimal vibration absorbing state.

The invention discloses a self-powered vehicle vibration damping device which comprises a vibration damping device body and a vibration damping device controller, wherein the vibration damping device body comprises a first cylinder body, a piston rod, a piezoelectric generating unit, a transmission force spring unit, a magneto-rheological damping unit and an electromagnetic induction unit; the piezoelectric generating unit comprises a plurality of piezoelectric modules, and a plurality of piezoelectric vibrators are inlaid in each piezoelectric module; the transmission force spring unit comprises an upper spring pressing plate, a lower spring pressing plate, a lower spring clamping seat, an upper spring clamping seat and a transmission force spring; the magneto-rheological damping unit comprises an outer cylinder, an inner cylinder, a permanent magnet protecting cover, an upper damp channel, a lower damp channel, a magnet exciting coil and a piston; and the electromagnetic induction unit comprises a leakage-proof magnetic sleeve, a second cylinder body, a permanent magnet and an electromagnetic induction coil. The invention further discloses a control method for the self-powered vehicle vibration damping device. The self-powered vehicle vibration damping device provided by the invention is high in energy-regenerative efficiency, good in work stability, high in reliability, can adjust the damping force in real time, and ensures that a vehicle is in an optimal vibration damping state.

The invention discloses a semi-active vehicle suspension system with a vibration energy recycling function. The system comprises a damper, a spring, a control system and an energy recycling system; the damper comprises a hydraulic cylinder, a hydraulic motor, a direct-current motor, a first transmission shaft, a first roller clutch, a second roller clutch, a first bevel gear, a second bevel gear, a third bevel gear and a second transmission shaft; the control system comprises a suspension vibration controller, a force sensor, a sprung mass acceleration sensor, a sprung mass displacement sensor, a non-sprung mass displacement sensor and a direct-current motor driver; the energy recycling system comprises an energy recycling circuit and a super capacitor. The invention further discloses a control method of the semi-active vehicle suspension system with the vibration energy recycling function. Accordingly, the working stability and reliability are high, the energy feedback efficiency is high, the service life of a vehicle-mounted storage battery can be effectively prolonged, parameters of a semi-active suspension can be duly adjusted, and then the semi-active suspension is in an optimal vibration reduction state.

The invention discloses a self-powered type vehicle active suspension which comprises an actuator, a spring, a power module circuit, a super capacitor and a controller; the actuator and the spring are arranged between a vehicle body and a vehicle bridge in parallel; the input end of the controller is connected with a sprung mass speed sensor and an unsprung mass speed sensor; the actuator is composed of a piston barrel, a linear motor unit, a variable damping unit, an upper lifting lug, a lower lifting lug, a piston barrel upper end cover and a piston barrel lower end cover; the linear motor unit is composed of a piston rod and a plurality of permanent magnets; a partition plate is arranged in the piston barrel; a plurality of silicon steel sheets and a plurality of primary windings are arranged in the piston barrel between the piston barrel upper end cover and the partition plate; the variable damping unit is composed of a piston and a damping liquid channel; and a plurality of proportional electromagnetic valves are arranged on the damping liquid channel. The invention also discloses a coordinated control method of the self-powered type vehicle active suspension. The self-powered type vehicle active suspension is high in working stability, reliability, energy reclaiming efficiency and real time and can be in the optimal vibration attenuation state.

The invention discloses an electromagnetic energy feeding type vehicle active suspension actuator. The electromagnetic energy feeding type vehicle active suspension actuator comprises an actuator body and an actuator controller. The actuator body comprises an electromagnetic linear motor module and a variable-damping shock absorber module. The electromagnetic linear motor module comprises a plurality of primary coils, a plurality of primary iron chips and a secondary piston rod. The variable-damping shock absorber module comprises a shock absorber piston rod, a piston, a piston cylinder and damping oil. The shock absorber piston rod is a hollow piston rod. The multiple primary iron chips are arranged on the inner wall of the shock absorber piston rod. The primary coils are wound in gaps between the multiple primary iron chips. A throttling hole is formed in the piston. A throttling hole adjustment valve plate and a throttling hole adjustment motor are connected to the piston. The invention further discloses a control method of the electromagnetic energy feeding type vehicle active suspension actuator. The electromagnetic energy feeding type vehicle active suspension actuator is stable and reliable in work and high in energy feeding efficiency; the service life of a vehicle-mounted storage battery can be effectively prolonged, and an active suspension can be made to be in an optimal shock absorbing state.

The invention discloses a vehicle active suspension actuator with an energy self-supplying function. The vehicle active suspension actuator with the energy self-supplying function comprises an outer sleeve, a guide rod, a guiding sleeve, a first inner sleeve, a second inner sleeve and a first guiding and sealing device, wherein the bottom of the guide rod is connected with a piston; the middle upper portion of the guide rod is connected with a permanent magnet; a coil is wound on the second inner sleeve; a baffle is arranged on the inner lower portion of the outer sleeve; a brushless direct-current motor is arranged on the inner bottom of the outer sleeve; a hydraulic pump is arranged on the top of the baffle; the inner lower portion of the first inner sleeve is connected with a second guiding and sealing device; a rotating shaft of the brushless direct-current motor is connected with a rotating shaft of a hydraulic pump; a first oil opening of the hydraulic pump is in threaded connection with a threaded hole; an upper through hole is formed in the upper portion of the first inner sleeve; and a lower through hole is formed in a section, which is positioned between the baffle and the second guiding and sealing device, of the first inner sleeve. The invention also discloses a control method for the vehicle active suspension actuator with the energy self-supplying function. By the vehicle active suspension actuator with the energy self-supplying function and the control method for the vehicle active suspension actuator with the energy self-supplying function, the service life of a vehicle-mounted storage battery can be prolonged, and an active suspension can be in an optimum vibration reduction state.

The invention discloses a combined energy feedback type semi-active suspension fork actuator and a control method thereof. The combined energy feedback type semi-active suspension fork actuator comprises an actuator body and a monitoring device, wherein the actuator body comprises an air spring mechanism and a linear motor; the air spring mechanism comprises an air spring, an air spring upper endcover and an air spring lower end cover; the linear motor comprises a secondary permanent magnet assembly and a primary coil assembly; the secondary permanent magnet assembly comprises a linear motorsecondary housing and a secondary permanent magnet. The control method comprises the following steps of I, performing data acquisition and synchronous transmission; II, adjusting the height differenceof spring mass and non-spring mass in the starting stage of a vehicle; III, adjusting the height difference of the spring mass and the non-spring mass in the travelling stage of the vehicle and electromagnetic damping force; and IV, after the vehicle stops travelling, adjusting the height difference of the spring mass and the non-spring mass. Through the adoption of the combined energy feedback type semi-active suspension fork actuator disclosed by the invention, the stability and the smoothness of the vehicle can be improved; and energy generated by the actuator is recovered, and the energyconsumption of the vehicle is reduced.

The invention relates to a fully-active suspension system which comprises energy accumulators, electronic gear pumps, power cylinders, swing arms, a control system and steering knuckles, wherein the front end of each steering knuckle is cylindrical and the rear end of each steering knuckle is of a plate-like structure; a hub motor stator of each wheel is fixedly connected with the cylinder of eachsteering knuckle; the plate-like structure of each steering knuckle is fixedly connected with the side of one end of each swing arm; the upper surface of one end, connected with a hub, of each swingarm is connected with each power cylinder through a ball joint; the other end of each swing arm is connected with a vehicle body through a ball joint; each power cylinder communicates with a high-pressure oil outlet of each electronic gear pump through a second oil pipe; a low-pressure oil inlet of each electronic gear pump communicates with each corresponding energy accumulator through a first oil pipe; and the control system is connected with the electronic gear pumps through control lines. All-terrain road driving of small-sized vehicles such as logistics vehicles and the like is realized,and efficient vibration suppression and vibration absorption can be achieved.

The invention discloses a combined type intelligent self-powered damping boring bar which comprises a boring bar, a first piezoelectric ceramic piece, a second piezoelectric ceramic piece, an electrorheological fluid, a big mass block, a positioning check ring, a small mass block, a third piezoelectric ceramic piece, a sealing check ring, a controller and an end cover. The small mass block is arranged in the third piezoelectric ceramic piece; the electrorheological fluid is arranged between the first piezoelectric ceramic piece and the second piezoelectric ceramic piece; the big mass block isarranged in the second piezoelectric ceramic piece; the controller is fixed to the tail part of the boring bar by utilizing the end cover; the inner surface and the outer surface of the third piezoelectric ceramic piece are connected with the controller so as to form a detection circuit; the outer surface of the first piezoelectric ceramic piece and the inner surface of the second piezoelectric ceramic piece are connected with the controller so as to form a self-powered control circuit; and the controller calculates a vibration state of the boring bar according to the detection circuit and controls an electric field applied on the electrorheological fluid so as to change the damp and the rigidity of the electrorheological fluid, so that a vibration absorber can work at the optimal dampingstate.

The invention discloses a vehicle mixed suspension actuator and a multi-mode coordinated switching control method thereof. The vehicle mixed suspension actuator comprises an actuator body and a control unit, the actuator body comprises a double-outlet rod type magneto-rheological damper, an upper linear motor unit and a lower linear motor unit, the upper linear motor unit is arranged on the upperportion of the double-outlet rod type magneto-rheological damper, and the lower linear motor unit is arranged on the inner lower portion of the double-outlet rod type magneto-rheological damper. The method includes the steps: firstly, acquiring date and synchronously transmitting the date; secondly, calculating ideal damping force of a vehicle suspension under LQG (linear quadratic Gaussian) control; thirdly, calculating a vehicle weighted acceleration root-mean-square value; fourthly, coordinating, switching and controlling an energy feeding mode, a semi-active control mode and a semi-activecontrol mode. The actuator is novel and reasonable in design, convenient to implement, popularize and use, low in cost, high in working stability and reliability, energy feeding and real-time capability and high in practicability, and the mixed suspension can be positioned in an optimal damping state.

The invention discloses an electro-hydraulic integrated type self-energy supplying active suspension actuator which comprises an actuator main body and an actuator controller, wherein the actuator main body comprises a piston barrel, a piston, an upper piston rod, a lower piston rod, an upper lug ring, a lower lug ring, an upper piston barrel end cover, a lower piston barrel end cover, an upper sleeve, an upper guide base, an upper oil seal, a first sealing ring, a lower sleeve, a lower guide base, a lower oil seal, a second sealing ring and a hydraulic oil; a check valve set, a hydraulic motor module and a brushless direct current motor are embedded into the piston; the check valve set comprises a flow valve, a compression valve, a compensation valve and a rebound valve; the hydraulic motor module comprises a hydraulic motor shell, a shaft sleeve, a first gear, a second gear and a third gear. The invention also discloses a control method for the electro-hydraulic integrated type self-energy supplying active suspension actuator. The electro-hydraulic integrated type self-energy supplying active suspension actuator is novel and reasonable in design, convenient in realization and low in cost; the suspension actuator can be under the optimal vibration attenuation state; the driving smoothness and the operation stability of the vehicle can be more effectively promoted.

The invention belongs to the technical field of automobile suspension systems and particularly relates to a multi-mode composite energy-feedback type suspension actuator and a control method thereof.The control method of the multi-mode composite energy-feedback type suspension actuator comprises simple steps, the work control mode of a vehicle active suspension is switched through ideal active force and a suspension velocity direction, a vehicle hybrid suspension is switched between a semiactive mode and an active energy consumption work mode, the hybrid suspension can operate in an optimal damping state while energy is saved, the work stability and reliability are high, no fault occurs, and frequent maintenance and repair are avoided.

The invention discloses a vibration damping assembly, a fan assembly, an air conditioner and a control method of the air conditioner. The vibration damping assembly comprises an elastic vibration damping part and an adjusting device, wherein the elastic vibration damping part is arranged between a part to be subjected to vibration damping and a supporting body; and the adjusting device is matchedwith the elastic vibration damping part, so as to adjust the compression amount of the elastic vibration damping part. According to the technical scheme of the vibration damping assembly disclosed bythe invention, the problem that noise generated from the vibrations of several parts inside a conventional air conditioner under special working conditions is suddenly increased, and then the comfortof a surrounding environment is severely influenced can be effectively solved.

The invention discloses a composite damping adjustable energy feedback type hybrid suspension actuator. The system of the actuator comprises an actuator body and an actuator control system, the actuator body comprises an air spring mechanism, a gear and rack mechanism and an electromagnetic valve type shock absorber, and the actuator control system comprises an actuator control module and an energy feedback motor control module. The suspension system is simple and compact in structure; under the control of the actuator control system and the energy feedback circuit thereof, the response speedis high, the control is accurate, the energy conversion rate is high, the fuzzy PID is improved, the fuzzy PID based on a bat firework hybrid algorithm is used for controlling the suspension, and thesmoothness and the operation stability of the suspension are improved.

The invention discloses a novel vehicle hybrid two-stage suspension system. The novel vehicle hybrid two-stage suspension system comprises a passive suspension arranged between a vehicle frame and a vehicle axle, wherein the lower end of the passive suspension is connected to the vehicle axle; the upper end of the passive suspension is connected to the vehicle frame; an active suspension is arranged on the vehicle frame; an active suspension is arranged on the vehicle frame; and the upper end of the active suspension is connected to a suspension plate. The novel vehicle hybrid two-stage suspension system can solve the problem that the active suspension of a vehicle in the prior art has relatively high energy consumption and complicated structure. The novel vehicle hybrid two-stage suspension system has reliable structure, strong adjustability and high riding comfort.

The invention discloses a spin-mixing magnetorheological fluid high-speed shock absorber and a magnetorheological fluid rotational flow mixing method thereof. The shock absorber comprises a damping cylinder for pouring a magnetorheological fluid, a piston and a push rod, wherein the piston is located in the damping cylinder, the damping cylinder is divided into a forward pressure cavity at the front part and a reverse pressure cavity at the back part, the end, located at the reverse pressure cavity, of the piston is provided with a rotational flow spray disc, and the edge of the rotational flow spray disc is provided with a tangential spray hole; a one-way valve flow control channel is arranged in the piston, and a liquid inlet of the one-way valve flow control channel is located at the end, located at forward pressure cavity, of the piston; and an outlet of the one-way valve flow control channel communicates with the tangential spray hole of the rotational flow spray disc, when the impact is encountered, a push rod pushes the piston to extrude the magnetorheological fluid in the forward pressure cavity, part of the magnetorheological fluid is forced to be directly sprayed out fromthe tangential spray hole of the rotational flow spray disc through the one-way valve flow control channel, so that the magnetorheological fluid forms a rotational flow in the reverse pressure cavity. The shock absorber has the advantages that magnetic induction particles of the magnetorheological fluid in a buffer are uniformly distributed in the magnetorheological fluid, so that the buffer is always in the optimal vibration damping state.