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

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 a control method for a multi-mode hybrid suspension actuator. The multi-mode hybrid suspension actuator includes an actuator body and a control unit. The actuator body includes an air spring mechanism and is arranged on the air spring The double-outlet rod type magneto-rheological shock absorber in the mechanism, the upper linear motor unit arranged on the upper part of the double-outlet rod type magneto-rheological shock absorber and located in the air spring mechanism, and the double-outlet rod type magneto-rheological shock absorber The lower linear motor unit at the lower part of the device; the control method includes steps: 1. Data acquisition and synchronous transmission; 2. Calculating the ideal damping force under the control of the vehicle suspension LQG; 3. Calculating the root mean square value of the weighted acceleration of the vehicle; 4. , Control the multi-mode hybrid suspension actuator. The invention has novel and reasonable design, convenient realization and low cost, high working stability and reliability, high energy feeding efficiency and high real-time performance, can make the hybrid suspension in the best damping state, has strong practicability, and is easy to popularize and use.

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 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 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 vehicle hybrid secondary suspension system, which comprises a passive suspension arranged between a vehicle frame and a vehicle axle, the lower end of the passive suspension is connected with the vehicle axle, and the upper end of the passive suspension is connected with the vehicle frame The frame is provided with an active suspension, and the upper end of the active suspension is connected with the suspension plate. The invention can solve the problems of high energy consumption and complex structure of the vehicle active suspension in the prior art, and has reliable structure, strong adjustability and high riding comfort.