31results about How to "Achieve mechanical decoupling" patented technology

The invention discloses an aircraft empennage regulation mechanism with pitching and yawing completely decoupled. The aircraft empennage regulation mechanism comprises an empennage fixing part, an empennage pitching part and an empennage yawing part, wherein the empennage fixing part, the empennage pitching part and the empennage yawing part are sequentially arranged on the aircraft tail from front to back, the empennage fixing part and the empennage pitching part are hinged, and the empennage pitching part and the empennage yawing part are hinged. The aircraft empennage regulation mechanism further comprises a pitching steering engine and a yawing steering engine, wherein the pitching steering engine and the yawing steering engine are arranged on an aircraft body. The pitching steering engine rotates to drive a connecting rod to move to drive the empennage pitching part to swing around the axis of a pitching rotation shaft. The yawing steering engine rotates to pull two traction ropes to move to drive the empennage yawing part to swing around the axis of a yawing rotation shaft. According to the invention, the structure style of arranging a drive steering engine on the aircraft tail traditionally is abandoned, and the weight of the aircraft tail is effectively lowered. In addition, compared with a traditional kinematic coupling empennage regulation mechanism, the aircraft empennage regulation mechanism can regulate empennages through mechanical decoupling, and the reliability, the stability and the regulation accuracy of a system are greatly improved.

The invention discloses a telescopic steering wheel. The telescopic steering wheel comprises a road feeling motor, a steering shaft, a steering shaft sleeve, a shell body, an adjusting motor and a supporting limiting block, wherein the steering shaft is composed of three coaxially and fixedly connected assembly units, the first assembly unit and the second assembly unit are correspondingly locatedat the two ends of the third assembly unit, and even annular gear racks are arranged on the surface of the third assembly unit; the steering shaft sleeve is a hollow cuboid with central through holeson the upper side and the lower side, through hole slideways are arranged on the both sides of the steering shaft sleeve, and the steering shaft is located in the steering shaft sleeve; the shell body is of a groove profile structure with an inner concave center, and a supporting plate extends out of the central position of the edge of the concave groove of one side of the shell body; the adjusting motor is fixedly connected to the upper part of the supporting plate of the shell body, an output shaft is arranged on one side of the adjusting motor, and a gear shaft is fixedly connected to thehead of the output shaft; and the two sides of the supporting limiting block are fixedly connected with the two sides of the inner concave groove of the shell body, and the middle of the supporting limiting block passes through the two side slideways of the steering shaft sleeve. The invention further provides a control method of the telescopic steering wheel, and the scalability of the steering wheel can be controlled according to the manual driving state or the unmanned driving state.

The invention relates to a mixed film applied to an energy converter (22) and preferably applied to a wave energy converter. The mixed film is an electroactivity polymer film. The mixed film is provided with a carrier film (20), a base film (12), a contact film (14) and an electrode coating layer (16). After the mixed film is used in the energy converter (22), good efficiency and functionality in the energy converter (22) can be realized.

A three-degree-of-freedom two-body satellite vibration isolation ground test system is provided. A load platform simulator and a service platform simulator are located in the middle of an air floating platform. A visual measurement system is arranged on the upper part of the load platform simulator and the service platform simulator. A plane mirror 1 is fixed on the air floating platform on a side of the load platform simulator side. A plane mirror 2 is fixed on the air floating platform on a side of the service platform simulator. A ground console is arranged on a side of the air floating platform. A vibration isolation device is installed at a position between the two simulators. The test system uses the non-contact vibration isolation device to divide a traditional satellite into two parts which are a load module and a service module, thereby realizing the mechanical decoupling of the two modules, and cutting off the transmission of the vibration. The test system can provide a working environment with ultra-high precision and stability for a sensor carried by the load module, avoids the interference of the vibration of the satellite components and has a high application value to the future ultra-high precision sensor.

The invention discloses a three-dimensional rotation mechanism for force sense feedback and rotation attitude measurement. The three-dimensional rotation mechanism for force sense feedback and rotation attitude measurement is characterized by comprising a rotating shaft A, a rotating shaft C and a rotating shaft B, wherein the rotating shaft A, the rotating shaft C and the rotating shaft B are located in three-dimensional axial directions of X, Y and Z respectively. The rotating shaft A and the rotating shaft B are connected through a connecting part II. The rotating shaft B and the rotating shaft C are connected through a connecting part I. The rotating shaft A, the rotating shaft B and the rotating shaft C are respectively provided with a magneto-rheological damper in the axial direction. An inertia measurement unit is installed on each magneto-rheological damper. According to the technical scheme of the invention, a mechanical structure, a force sense mechanism and a measuring mechanism are combined. Therefore, the force sense output is achieved and the controlling purpose is achieved through the rotation attitude measurement.

The invention relates to the technical field of automobile part tests, and discloses a rubber bushing test system which comprises a loading seat, a warping seat and a torsion seat. The loading seat is provided with a containing hole for pressing the rubber bushing, and the loading seat is configured to apply radial load to the rubber bushing; the warping seat comprises a connecting rod, and is used for penetrating through an inner hole of the rubber bushing to fix the rubber bushing on the warping seat; and the warping seat is rotatably connected to the torsion seat, the torsion seat is capable of rotating about an axis of the connecting rod, and the torsion seat is configured to apply a torsional load to the rubber bushing. The rubber bushing test system realizes mechanical decoupling, and can simultaneously apply three dynamic loads of radial, torsion and warping to the rubber bushing, the installation and connection modes of the rubber bushing are consistent with that of a real vehicle, and the rubber bushing test system can truly simulate the actual working condition of the rubber bushing, and accurately tests the rubber bushing.

The invention discloses a cart control console and a minimally invasive surgery robotic.The cart control console comprises a push-pull module, a torsion module and a control module used for controlling the push-pull module and the torsion module, and the torsion module comprises a torsion sensing assembly connected with the control module. By the adoption of the cart control console, when a user pushes the control module, overall micro-motion of the torsion sensing assembly is achieved through the connection mode between the micro-motion seat and the first shell, and therefore the influence of push-pull force on the torque sensor is eliminated; and the generated torque signal and torsion are transmitted to the first shell and the second shell through the sliding rod, so that the influence of the torsion on the tension and compression sensor is eliminated, namely, the mechanical decoupling of the tension and compression sensor and the torque sensor is realized, and the movement of the slave hand can be relatively easily controlled.

The invention relates to a control arm assembly bench test system for Mcpherson suspension of a passenger vehicle. The control arm ball stud end of the system is connected with a loading seat, the loading seat and a guiding rod are connected through a hinge, the axis of the guiding rod is perpendicular to the plane where the center point of a ball stud and the axis of a lining, the vertical displacement of the control arm ball stud is limited, a torsional seat which is coaxial with the rotating axis of the control arm assembly lining end is loaded through a linear actuator, vertical jumping ofthe control arm assembly ball stud end of the real vehicle is converted into torsion of the lining end, and meanwhile influences of the vertical load on the lateral load and the longitudinal load arereduced; and in lateral and longitudinal loading mechanisms, a lateral loading linear actuator and a loading seat are connected through a ball hinge, a longitudinal loading linear actuator and the loading seat are in rigid connection, and mutual influences of the transverse load and the longitudinal load are reduced. Mechanical uncoupling is achieved, the load spectrum iteration accuracy can be improved, and the bench test accuracy is improved.

The invention discloses a micro-inertial navigation gyroscope with multi-detection vibration units. A 1-DOF (degree of freedom) vibration unit and a 2-DOF vibration unit are introduced into the gyroscope simultaneously to serve as a composite sensitive vibration unit, frequency in a bandwidth range is divided by difference and complementarity of amplitude-frequency response characteristics of the1-DOF vibration unit and the 2-DOF vibration unit in different frequency ranges, and output curve of the whole sensitive vibration unit is enabled to have better amplitude-frequency response characteristics. With adoption of the combined detection by selecting different vibration units in different frequency ranges, the defect of mutual restriction between bandwidth and output amplitude of a sensitive vibration unit in traditional microgyroscope design is overcome, and the multiple vibration units provide signals continuously, so that information redundancy and backup are provided for a data processing part of the gyroscope.

The invention belongs to the technical field of motors, and relates to a coil grouping method for a stator module combined motor. Stator slots are uniformly formed in the periphery of a stator core, acoil is embedded into the stator slots according to the law of spanning one stator tooth, the number of the stator slots of the motor is Q1, equal partitioning is performed according to the rule thatthe number of module slots of a single stator sub-block is Q0=Q1/s, Q0 must also satisfy Q0=12*(n/6+k), wherein n=1, 2, 4 or 5, k=natural numbers 0, 1, 2 or 3..., the number of stator sub-blocks is s, s is 3 or integral multiples of 3, the coils that are embedded across the teeth are removed at the stator sub-blocks, and partitioning is performed at the center line of the tooth part after the coil is removed. The scheme of the invention brings convenience to the stator module combination, and solves the problem of cutting dispersion by innovatively using a fixed cylinder.