37results about How to "Reduce jerk" patented technology

The invention provides a video optimization processing method for a remote desktop. The method comprises the steps of registering a coder-decoder corresponding to a video decoding format supported bya video processing unit when initialization of a preset multimedia vide processing tool is started; judging whether the video decoding format corresponding to the registered coder-decoder is matched with a coding format; if yes, calling the video processing unit to decode video frame data; and returning a corresponding file descriptor; and transferring the file descriptor to a processing interfaceof a bitmap hardware acceleration module, thus allowing the bitmap hardware acceleration module to perform image conversion on the decoded video data. The invention also provides a video optimizationprocessing device for the remote desktop. According to the method and device provided by the invention, the technical problem that the video playing experience is poor due to the fact that the embedded platform of an existing ARM-SOC framework uses a software processing mode to decode and perform image conversion is solved.

The invention relates to a paper thickness detection device, which is characterized by comprising a reference roller, a plurality of detection rollers, a detection block, a maintaining block, a first press part and a shifting detection part. The reference roller is arranged on a fixed rotating shaft and provides a reference for thickness judgment. The plurality of detection rollers are arranged opposite to the reference roller and contacted with the reference roller. The plurality of detection rollers are arranged on one end portion of the detection block, and the other end of the detection block rotates freely with a bearing shaft as the center to be fixed and rotates and shifts according to the thickness of the paper between the reference roller and the detection rollers. The maintaining block at least maintains the bearing shaft of the detection block. The first press part is fixed on the maintaining block and presses one part of the detection block to maintain tightness between the plurality of detection rollers and the reference roller. The shifting detection part detects the shifting quantity of the detection rollers. A plurality of detection units formed by the plurality of detection rollers, the detection block, the first press part and the shifting detection part are configured on the bearing shaft.

The invention relates to a paper thickness detecting device, which is characterized by comprising a reference roll, a detecting roll, a detecting block, a retaining block, a first press part, a shift detecting part and a second press part. The reference roll is arranged on a fixed rotary shaft and used as judging reference of the thickness, the detecting roll opposite to the reference roll contacts with the reference roll and is arranged at one end of the detecting block, the other end of the detecting block rotates freely by utilizing a supporting shaft as the center to shift according to the thickness of paper passing between the reference roll and the detecting roll and is fixed, the retaining block retains the supporting shaft of the detecting block at least, the first press part is fixed on the retaining block and presses part of the detecting block while keeping tightness between the detecting roll and the reference roll, the shift detecting part detects shift of the detecting roll, and the second press part presses the retaining block in the attaching direction of the detecting roll to the reference roll during thickness detection of paper.

The invention relates to a frame stacking type conveyer achieving manual horizontal pushing and power vertical conveying. The frame stacking type conveyer is applied to pushing and transferring articles to storage places through manpower on the ground and vertically conveying articles through power. The frame stacking type conveyer comprises a rack with wheels. A steel rope electric hoist is arranged on the rack. The frame stacking type conveyer is characterized in that a main guide rail frame, an auxiliary guide rail frame and a bracket car are further included; left wheels of an upper connecting shaft wheel and a lower connecting shaft wheel of the auxiliary guide rail frame are located in an auxiliary guide rail frame left wheel groove of the main guide rail frame; right wheels of the upper connecting shaft wheel and the lower connecting shaft wheel of the auxiliary guide rail frame are located in an auxiliary guide rail frame right wheel groove of the main guide rail frame; left wheels of an upper connecting shaft wheel and a lower connecting shaft wheel of the bracket car are located in a bracket car left wheel groove of the auxiliary guide rail frame; right wheels of the upper connecting shaft wheel and the lower connecting shaft wheel of the bracket car are located in a bracket car right wheel groove of the auxiliary guide rail frame; and a steel wire rope of the steel rope electric hoist passes through a first fixed pulley, a second fixed pulley and a third fixed pulley and then is in traction connection with a bracket car steel rope tying hole. The frame stacking type conveyer has the beneficial effects of achieving manual horizontal pushing and power lifting, being low in fault rate, long in service life and continuous and adjustable in lifting height and the like.

An anti jerk control system and method of an eco-friendly vehicle are provided to prevent a driver from sensing a difference in vehicle starting at an initial stage when the vehicle is parked on a downhill road. The anti-jerk control method uses a motor as a driving source and includes calculating an actual speed of the motor, calculating a model speed of the motor, and acquiring a gradient of a road, on which the vehicle is located, using a gradient detector. Additionally, the method includes determining a speed offset value that corresponds to the acquired gradient, compensating the model speed by the speed offset value, and calculating a motor vibration component using a difference between the compensated model speed and the actual speed of the motor. Then, anti-jerk compensation torque is calculated using the calculated motor vibration component.

An aerial cableway transport installation, comprising:

• • two vehicles each equipped with a detachable clamp to detach the vehicle from and couple the vehicle to the aerial cableway;
  • one coupling device of the vehicles to the aerial cableway;
  • one flexing pillar of the aerial cableway;
  • detection means of a first vehicle coupled to the aerial cableway passing over said pillar, the detection means being configured to transmit at least one coupling signal when passing is detected; and
  • control means of said coupling device connected to the detection means and configured to command coupling of at least a second vehicle to the aerial cableway on receipt of said coupling signal.

The invention discloses a high-precision internal-cooling ball screw internal-cooling deep hole machining numerical control special machine tool. The high-precision internal-cooling ball screw internal-cooling deep hole machining numerical control special machine tool comprises a machine tool body, a fixing base is arranged in the middle of the machine tool body, a pair of first linear sliding rails and a pair of second linear sliding rails are arranged on the portions, on the two sides of the fixing base, of the machine tool body correspondingly, a tool assembly is slidably connected to the first linear sliding rails, the second linear sliding rail is connected to a workpiece supporting assembly in a sliding mode, the workpiece supporting assembly is mainly composed of a penetrating type power sliding table and a penetrating type end part clamping sliding table, main spindle sleeves on the two sliding tables can clamp and support a workpiece and drive the workpiece to rotate, the tool assembly drives a drilling tool to achieve feeding, and therefore, deep hole machining is carried out on the workpiece.

A brake for a work machine includes a brake rotor, a hydraulically operated device for actuating the brake by clamping the brake rotor, and an arrangement for damping jerks resulting from a sudden brake actuation. The brake rotor includes a pair of brake force transmitting discs and the damping arrangement is formed by a damping layer positioned between the discs and secured to each of the discs.

The invention provides a double-roll calendering machine for graphite radiating paper. The double-roll calendering machine comprises an upper roll, a lower roll, a transmission, a first motor, a framework and a base. Two sides of the upper roll and two sides of the lower roll are supported on the framework, the upper roll is parallel to the lower roll, and the first motor drives the upper roll and the lower roll via the transmission, so that the upper roll and the lower roll can move towards each other. The double-roll calendering machine is characterized in that supported ends of the two sides of the upper roll and supported ends of the two sides of the lower roll are connected by preload devices, each preload device comprises an upper bearing block, a lower bearing block and a hydraulic cylinder, the upper bearing blocks are mounted at the supported ends of the upper roll, the lower bearing blocks are mounted at the supported ends of the lower roll, and each upper bearing block and the corresponding lower bearing block are supported by two ends of the corresponding hydraulic cylinder respectively. The double-roll calendering machine has the advantages of low drum run-out degree and high product calendering precision.

The invention discloses a dedicated machine for the assembly and disassembly of a motor rotor assembly, and an operating method for the dedicated machine. The dedicated machine comprises an air cylinder, a pressure plate, fixing bolts, a support, and the motor rotor assembly. The support comprises a supporting plate and a plurality of supporting columns. The supporting plate is installed at the tops of the supporting columns, and the air cylinder is installed on the supporting plate. The air cylinder is provided with an air cylinder push rod, and the central part of the supporting plate is provided with a hole. An end of the air cylinder push rod passes through the hole of the supporting plate, and the end of the air cylinder push rod is connected with a pressure plate. The surface of thepressure plate is provided with a plurality of threaded holes adapted to the fixing bolts. One end of the motor rotor assembly is provided with a plurality of threaded holes adapted to the fixing bolts, and the fixing bolts are used for enabling the threaded holes of the pressure plate to be in fixed connection with the threaded holes of the motor rotor assembly. The original manual disassembly and assembly mode of the rotor assembly is changed into a semi-automatic disassembly and assembly mode, the labor intensity is small, and the production efficiency is improved.

The invention relates to a vehicle stop control method by using a changeable gain. The method is characterized by being capable of minimizing jerk generated during a vehicle stop control process by means of mathematical and physical methods to reflect a real condition instead of using a Try-and-Error method; and thus achieving a system soft stop function. Meanwhile, whether the soft stop function can be used or not is judged physically before the function is applied. According to the invention, the jerk generated during an SCC vehicle stop control process can be reduced. Nose dive and Pitch motion can be further suppressed. Incontinuous jerk can be especially reduced. Emotional qualities and commodity performance can be obviously enhanced. Driving comfort can be also increased. Meanwhile, the soft stop function can be mathematically and physically reflected. The method can be systematically used in various vehicles.

The invention relates to a parameter setting method for PID adjustment of a torque of an engine discharging test. According to the parameter setting method, parameters of a proportion unit P, an integral unit I and an accelerator speed D are set; the proportion unit P is set to be 0.10-0.30, the system response can be accelerated with increase, the static difference is reduced, relatively large overshot and oscillation can be generated if the proportion unit P is excessively large, and the stability becomes worse; in the integral unit I, the instantaneous experiment integral I is set to be 10-30, the overshoot and the oscillation can be reduced by increasing the integral, and the stability is improved; and the steady-state experiment integral I is set to be 2-10, the response speed is improved by shortening the integral time, the static difference elimination time is shortened, the oscillation can be improved when the steady-state experiment integral I is excessively small, and the system stability becomes poor. The accelerator change speed needs to conform to the experiment requirement, the accelerator changing speed is set to be 50-100% during instantaneous experiment, and the accelerator changing speed is set to be 10-20% during steady-state experiment. The parameter setting method has the advantages of parameter setting reasonableness, adjustment method effectiveness, goodexperiment repeatability and high detection efficiency.

The invention discloses a heating device of a chemical fiber draw texturing machine, and belongs to the field of textile draw texturing equipment. The heating device includes a walking filament tube which is hollow on the inner side, chemical fiber passes through the walking filament tube and is subjected to heating, the heating device also includes an electric heater for heating the walking filament tube, and a steam pipe; the chemical fiber is located between the steam pipe and the inner wall of the walking filament pipe, steam outlets are formed at interval in the steam pipe in the walking filament direction of the chemical fiber, and the steam passes through the steam pipe and is discharged from the steam outlet to heat the chemical fiber. Additionally, the invention also discloses the chemical fiber draw texturing machine which adopts the heating device. The heating device and the chemical fiber draw texturing machine have the advantages that the heating temperature of the chemical fiber is more easily controlled and the effect of draw texturing is better.

The invention discloses a 5G technology-based electric vehicle ramp driving speed optimization method. The method comprises the following steps of S1, obtaining ramp data and driving data in a vehicle driving process; s2, calculating the energy consumption of the vehicle according to the ramp data and the driving data; and S3, calculating the optimal driving force and the vehicle speed of the vehicle passing through the ramp, so that the energy consumption accumulated value of the vehicle passing through the ramp within the preset time period is the lowest. The ramp data is acquired in real time based on the 5G Internet of Things technology, and the real-time speed and driving force of the vehicle are optimized by taking the lowest energy consumption of the vehicle passing through the ramp within the predetermined time period as the target function, so that the energy consumption of the vehicle passing through the ramp is reduced; and meanwhile, the phenomena of start-stop, idling, rapid deceleration, rapid acceleration and the like of the electric vehicle on a crossing ramp are reduced, so that the vehicle passing efficiency is improved.