45results about How to "Reduce trembling" patented technology

The present invention relates to a shredder having a thickness triggering device. During the shredding operation, the trembling of the article is minimized or eliminated by using the shredder. The shredder includes a sustaining mechanism and a driving assembly. Since the sustaining mechanism is sustained against the shredding article, the amplitude of the trembling article is largely reduced. As a consequence, the influence of the shredding article on the thickness triggering device is reduced so as to prevent interruption of the shredder.

The invention discloses a four-rotor UAV flight control method based on a fractional order power switching law. A whole controller is of a backstepping control structure, a second-order nonlinear system of a quadrotor UAV is split into two subsystems, control laws that satisfy Lyapunov's stability theory are constructed, and the two subsystems are in series connection through a virtual intermediate control variable to form the complete controller, so that the controller can well adapt to the nonlinearity of the system and have good integrity. At the same time, in order to enhance the anti-disturbance capability and robustness of the controller, in the second backstepping design, the controlled variable is subjected to the sliding mode control design, which introduces the high disturbance resistance and high robustness of the sliding mode control. .

A frame rate converter device and method for interpolation during frame rate conversion are disclosed. The method includes, receiving input frames containing film content and video content. The film content exhibits a 3:2 pull-down cadence while video content that does not exhibit such cadence. Consecutive frames C_n and C_n+1 are interpolated to form F_n using the frame rate converter. The frame rate converter further selects as an output frame, either current or previous ones of interpolated frames or input frames. The selection is made so as to reduce both film judder and video judder. The invention is suitable for use on video input frames at 60 frames per second (fps) derived from a 24 fps cinema using 3:2 pull-down, and also blended with 60 Hz overlay video such as subtitle text. The invention can be used to obtain a good overall reduction in both overlay video judder and film judder.

The present invention discloses a connecting structure of a resilient support member and a strip of wiper rubber of a windshield wiper. The wiper rubber has a pair of fixing grooves longitudinally passing through the wiper rubber at opposite sides thereof and a T-shaped member at an upper end thereof. A connecting plate is provided between the resilient support member and the wiper rubber to connect the resilient support member and the wiper rubber together. The connecting plate includes a lower C-shaped groove with the gap of the lower C-shaped groove facing down for connection of the T-shaped member of the wiper rubber and an upper connecting groove for insertion of the resilient support member. The action force from the resilient support member directly applies to the hard connecting plate, not to the soft wiper rubber. This design decreases the deformation of the resilient support member and improves the stability of the windshield wiper in use.

The driving device is provided with a motor, a pinion, a first gear, a second gear, and a frame. The frame has a motor side surface and a gear side surface, and includes a first portion and a second portion. A motor housing of the motor is fixed to and supported at the motor side surface of the first portion. A motor shaft extends from the motor housing, penetrating the first portion from the motor side surface to the gear side surface. The pinion is fixed to the distal end of the motor shaft at the gear side surface. The first gear and the second gear are coaxially disposed and rotatably supported at the gear side surface of the second portion. The driving force of the motor is transmitted to the first gear and the second gear through the pinion. The gear side surface of the second portion is offset toward the motor side than the motor side surface of the first portion.

The invention discloses a fixed connection-type AR-using home experience system and a method thereof. A glass-shaped device is connected with a central server; the central server is arranged in a main control box; the vacant head of a protective cover has a closed bevel tip structure; a rotating device comprises an air damper or a rubber shockproof pad arranged on the end plate of a rotating piston; and through a pair of adjusting screw rods screwed onto the end plate of the rotating piston, the rotating arc is adjusted in a range of 6 DEG in clockwise rotation to 6 DEG in reverse rotation. In combination with the method, defects that the moisture degree and the heat level in the main control box can not be acquired in the prior art, a detection device for detecting the moisture degree and the heat level in the main control box is lacked, an electronic element control mode is lacked, the detection device is not easy to extend in the main control box, the detection effects are not good, the detection effects are influenced by particulate impurities, the detection device is not flexible to be erected, noise and vibration appear when the detection device is drawn, and fixed connection between parts is instable can be effectively avoided.

The invention discloses a hovercraft path tracking control method based on second-order sliding-mode control, belongs to the technical field of path tracking control, and in particular relates to the application of a second-order sliding mode control method to the hovercraft path tracking. The hovercraft path tracking control method based on second-order sliding-mode control comprises steps of: firstly establishing a hovercraft motion three-degree-of-freedom mathematical model; then, calculating trim force by using a second-order sliding-mode point-to-point position controller; calculating heading torque by using a second-order sliding-mode heading controller; and finally, applying the trim torque and the heading torque to hovercraft path tracking control. The method applies the second-order sliding-mode control method to the hovercraft path tracking control, mainly solves the high nonlinearity and uncertainty of a hovercraft model, and is not liable to be disturbed by external environment.

The present invention relates to a lubricating oil composition comprising a major amount of base oil of lubricating viscosity and the following additives in the following amounts based on a total amount of the lubricating oil composition: (A) 0.1 to 10 wt.% of a succinic acid ester, (B) 0.01 to 2 wt.% of a phosphorous acid ester, (C) 0.1 to 5 wt.% of an amide compound which is a reaction product obtained by reaction of a linear or branched, saturated or unsaturated monovalent aliphatic acid having 8 to 22 carbon atoms, urea, and polyalkylenepolyamine, (D) 0.0 1 to 2 wt.% of an overbased metal containing detergent, and (E) 0.01 to 1 wt.% of a corrosion inhibitor.

The invention discloses an omnidirectional moving chassis which comprises a frame, a driving system and a control system. At least three omnidirectional wheels are arranged on the frame, at most two omnidirectional wheels are fixedly connected to the frame, all of the rest omnidirection wheels are connected with a support, one end of the support is hinged on the frame while the other end of the same is connected on the frame through an adjusting part, the adjusting part can adjust the other end, connected with the same, of the support to move up and down relative to the frame, the driving system is connected with each omnidirectional wheel, and the control system controls the driving system to drive the omnidirectional wheels to rotate. By using the chassis, the adjusting part can adjust support up and down, in other words, adjusting up-down positions of the omnidirectional wheels to enable all omnidirectional wheels to be in a same plane, positive pressure of the omnidirectional wheels relative to the ground is ensured identical, in other words, friction force of the omnidirectional wheels relative to the ground is ensured identical, and resultant speed direction and program output path of the omnidirectional wheels are enabled to be uniform to accurately control movement. The omnidirectional moving chassis is simple and compact in structure, convenient to connect and use, good in acting effect and low in cost.

The invention discloses a method for remotely controlling a home experience system using AR. The method comprises the following steps: when a control instruction is to control a motor to achieve a control command of clockwise rotation, sending control information of controlling the motor to implement clockwise rotation to the motor; and when the control instruction is to control the motor to achieve a control command of anticlockwise rotation, sending the control information of controlling the motor to implement anticlockwise rotation to the motor. By adopting the method disclosed by the invention, the defects that the moisture level and heat level in a main control box cannot be acquired, the detection device for detecting the moisture level and heat level in the main control box is deficient, the control mode of electronic components is deficient, the detection device is not easy to reach the main control box, the detection effect is poor, particulate matter impurities affect the detection effect, the erection of the detection device is too inflexible, noises and vibration are caused in traction of the detection device, the components are unstable in fixed connection, and no remote control function is provided in the prior art can be solved.

The invention discloses a remotely manipulated home experience system using AR and method of the system. A glasses-shaped device is connected with a central server; the central server is arranged in a master control box; a second single chip is further arranged in a cover body and connected with a WIFI chip; the WIFI chip comprises a WIFI module and a RF radio frequency module connected with the WIFI module; in combination with the method of the system, the defects that the humidity degree and the heat level in the master control box cannot be acquired, a detection device for detecting the humidity degree and the heat level in the master control box is absent, an electronic element control mode is absent, the detection device is hard to extend into the master control box, the detection effect is bad, particulate impurities influence the detection effect, the erection of the detection device is extremely inflexible, the noise and the vibration are existent while pulling the detection device, the fixed connection between the components is unstable, and the remote control function is absent in the prior art are effectively avoided.

A smart AR-utilized household experiencing system and the method thereof are disclosed. An eyeglass shaped device is connected with a central server, and a master control module and a third single-chip microcomputer form a smart master control system. The master control module is connected with the third single-chip microcomputer which is connected with a first position switch, a second position switch, a motor and a rotary device, and the single-chip microcomputer controls the motor and the rotary device. The system in combination with the method can effectively solves the problems that in the prior art, moisture degree and temperature level in a master control box can not be obtained, and no detection apparatus for detecting the moisture degree and temperature level in the master control box is available. The problems of lack of electronic component control means, being uneasy for a detection device to extend into a master control box, poor detection effect, detection effect being affected by particle impurities, inflexibility for erecting a detection device, noise and vibration occurrence during pulling of the detection device, instable connection between parts, no remote control function, and poor smart control effect can also be solved.

The invention discloses an illumination energy-saving control method based on a variable-amplitude and variable-gain gradient extreme value searching algorithm. The illuminance requirement is maintained through PID (proportion integration differentiation) closed loop control; meanwhile, through the variable-amplitude and variable-gain gradient extreme value searching algorithm, the iteration is continuously performed to fast find the lowest value of the illumination system energy consumption; the lowest value stable output is maintained; in the variable-amplitude and variable-gain gradient extreme value searching algorithm, one positive signal is introduced for changing a disturbance amplitude value; the signal is firstly and fast increased so as to ensure the precision of the algorithm; then, the signal is decreased; the time required for algorithm searching is shortened; in addition, another positive signal is introduced for changing the gain size, so that the gain is firstly increased and is then decreased; when the gain is increased, the output of the algorithm fast approaches to an extreme point; when the gain is decreased, the fluttering degree of the output near the extreme point is reduced, so that the searching time is shortened; the fluttering degree during the stabilization approaching is reduced. By using the method provided by the invention, the speed and the accuracy of the gradient extreme value searching algorithm can be improved.

The invention relates to the field of medical equipment, in particular to a guide wire storage device. The guide wire storage device comprises a stationary shaft, a supporting mechanism and a windingmechanism, the supporting mechanism is fixedly connected with the two ends of the stationary shaft, wherein the winding mechanism comprises a winding roller, a locking block, a handle and a buffer block, the winding roller is coaxially and fixedly arranged on the stationary shaft, the outer surface of the winding roller is provided with a helical guide groove, the buffer block is fixedly arrangedin the guide groove, and the buffer block is internally provided with a through hole allowing a guide wire to run through; the two opposite side walls in the guide groove are provided with sliding grooves, the two sides of the locking block are fixedly provided with limiting blocks sliding in the sliding grooves, and the locking block is in sliding contact with the inner wall of the guide groove;the locking block is internally provided with a mounting hole clamping a guide wire, and the mounting hole can be opposite to the through hole; the side, away from a transfer roller, of the locking block is provided with a threaded hole communicated with the mounting hole, the handle is in threaded connection with the threaded hole, and the end, close to the locking block, of the handle can abut against the inner surface of the mounting hole. The guide wire storage device can prevent the inner wall of a catheter from being damaged.

The invention discloses a fixing valve rod which comprises a valve body, a valve rod body, a valve deck and a balance seat. The valve rod is installed in the valve body, and the two ends of the valve rod penetrate out of the valve deck; the balance seat is arranged in the valve body, and the valve rod body penetrates through the balance seat; balance rods are arranged in the balance seat; seal rings are arranged at the intersection positions of the valve rod body and the valve deck; the outer surface of the valve rod body is provided with a wearing ring; the portions, in the valve body, of the valve rod and the valve deck are provided with fixing blocks. According to the fixing valve rod, by installing the balance seat in the valve body, the valve rod body can be better fixed under supporting of the balance seat, the balance seat and the valve rod body are connected together, the balance seat is more smooth and steady when the fixing valve rod operates, trembling during operation of a sluice valve is reduced, and the service life is prolonged.

The invention discloses an optical fiber color ring printing positioning device which comprises an optical fiber positioning module and a spray head positioning module, wherein the optical fiber positioning module comprises a cavity, and first through holes through which optical fibers can pass are formed in two opposite side walls of the cavity; the spray head positioning module is hinged with the optical fiber positioning module; and the spray head positioning module rotates along the hinged position to realize the closing of the cavity. The n optical fiber color ring printing positioning device is simple in structure, closing and opening of the cavity of the optical fiber positioning module are achieved through structural design, and the problem that in the prior art, optical fibers are difficult to install before printing is solved.

A method and system are provided for shifting a vehicle transmission having several members. Each member is a first, second, or third node of a planetary gear set (of multiple planetary gear sets), or an input, output, or stationary member. A first torque transmitting mechanism is applied to transfer torque between first and second members in a low gear state. In some versions, a second torque transmitting mechanism is applied in the low gear state without substantially transferring torque between third and fourth members, and then the second torque transmitting mechanism is disengaged. A third torque transmitting mechanism is then applied without substantially transferring torque between the third and fourth members in the low gear state. The transmission is upshifted by disengaging the first torque transmitting mechanism, keeping the third torque transmitting mechanism applied, and applying the second torque transmitting mechanism to transfer torque between the third and fourth members.