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.

A method for controlling a motor vehicle including driven wheels, a mechanism recovering energy generated by braking, and a torque transmission chain transmitting torque from the driven wheels to the energy recovery mechanism, the method including:a) acquiring a braking instruction and dynamic characteristics of the motor vehicle,b) controlling the energy recovery according to a control set point calculated as a function of the braking instructions and the dynamic characteristics acquired in a), and c) controlling the brakes according to a control set point calculated as a function of the braking instruction and the dynamic characteristics acquired in a). In b), the control set point for energy recovery is calculated by a preventive filter that filters the braking instruction to attenuate amplitude thereof around the resonant frequency of the torque transmission chain.

The invention discloses a virtual robot-oriented interaction output method and system. The method comprises the following steps of: obtaining user interaction input, carrying out semantic comprehension and emotional computation on the user interaction input so as to generate a response text and a corresponding emotional parameter, and matching an action parameter; determining corresponding text output data and / or voice synthesized data according to the response text; determining action response data and emotional response data of a virtual robot according to the action parameter and the emotional parameter; configuring output parameters for the action response data and the emotional response data; and outputting the text output data and / or voice synthesized data, the action response data and the emotional response data on the basis of configured output parameters. According to the method, virtual robots can coordinate output actions, expressions and voices / texts.

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; andcontrol 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.

An apparatus and a method for controlling a driving mode of an HEV are provided. The apparatus releases an HEV mode at an appropriate time before forcibly releasing an engine clutch even when an accelerator pedal is engaged while driving the vehicle on an uphill road in the HEV mode to reduce a shock caused when the engine clutch is forcibly disengaged and improve riding comfort and drivability. The method includes determining whether the vehicle is driven on an uphill road from gradient information of a current road while the vehicle is driven in a HEV mode and determining a clutch engagement impossible speed corresponding to the gradient of the current road when the vehicle is driven on the uphill road. The engine clutch is disengaged to release the HEV mode when the speed of the motor is equal to or less than the determined clutch engagement impossible speed.

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 discloses a gem faceting machine which comprises a workbench and a motor. An output shaft of the motor upwards penetrates the workbench, a disc with an upwards-protruding edge is mounted on a portion, positioned on the workbench, of the output shaft of the motor, a portion, positioned on the disc with the upwards-protruding edge, of the output shaft of the motor is provided with a rotary grinding piece, a mechanical clamp is arranged beside the disc with the upwards-protruding edge, an angle frame is arranged beside the disc with the upwards-protruding edge, an angle device is arranged on the angle frame, a flexible gasket is arranged at a position, at the bottom of the disc with the upwards-protruding edge, on the workbench, a flexible member is arranged at a position, below the angle frame, on the workbench, a flexible gasket is arranged between the motor and the bottom of the workbench, and a flexible member is arranged at the bottom of each supporting leg. By the gem faceting machine, the problem that an existing gem faceting machine is severe in vibration, difficult in processing accuracy control and poor in quality.

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 radial supporting and axial pre-tightening structure for dynamic balance measurement of a motor rotor provided with a bearing. The motor rotor is mounted on a rotor bearing radial support structure in a supported manner for radial support, a rotor bearing axial pre-tightening structure mounted on the rotor bearing radial support structure is used for axial pre-tightening, the rotor bearing radial support structure makes point contact with a cylindrical surface in the outer ring of the motor rotor bearing via tungsten steel bars in bar-shaped grooves of radial support frames at two sides, the rotor bearing axial pre-tightening structure comprises a baffle plate mounted at the outer side surfaces of the radial support frame at the bearing limiting side and an axial pre-tightening assembly mounted at the radial support frame at the bearing abutting side, the baffle plate limits the bearing at one end of the motor rotor in the axial direction, and the axial pre-tightening assembly pre-tightens the bearing at the other end of the motor rotor in the axial direction. The radial supporting and axial pre-tightening structure improves the consistency and stability of the pre-tightening state during dynamic balance measurement of the motor rotor provided with the bearing, the fluctuation degree of dynamic balance measurement of the motor rotor is reduced, and the repeatability and reproducibility of measurement are improved.

A chain disc convenient to install for the bicycle comprises a disc body, a movable cavity is formed in the disc body, a plurality of installation openings are formed in the inner side wall of the movable cavity, a plurality of clamping teeth are rotationally connected to the inner side wall of the movable cavity, and the clamping teeth penetrate through the installation openings and extend outwards; and an adjusting ring is rotatably connected to the inner side wall of the movable cavity, the clamping teeth are connected with the adjusting ring through a connecting mechanism, and an adjustingdevice matched with the adjusting ring is arranged on the front side of the disc body. The adjusting device is used for driving the adjusting ring to slightly rotate; the adjusting ring drives the clamping teeth to deflect through a rotating rod in the connecting mechanism; the clamping teeth deflect towards the inner side of the installation opening after deflecting, so that the outer diameter of the whole chain disc is reduced, the chain can be directly arranged on two chain discs in a sleeving mode, then arc-shaped blocks are rotated reversely to enable the clamping teeth to be inserted into the chain, the positions of the arc-shaped blocks are fixed through screws, and convenience is brought to chain mounting work.

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 vehicle information display device and a vehicle information display method. The vehicle information display device comprises a liquid crystal screen, a first mechanical dial and a second mechanical dial, wherein the liquid crystal screen comprises a first dial plate display region and a second dial plate display region; the first mechanical dial is arranged on the outer circle of the first dial plate display region; the second mechanical dial is arranged on the outer circle of the second dial plate display region; the first dial plate display region is configured with a first virtual dial plate and a first virtual pointer, the first virtual dial plate corresponds to the first mechanical dial, the first virtual pointer is arranged on the first virtual dial plate and rotates along the center of the first virtual dial plate, and display contents of the first virtual dial plate are properly switched according to a current driving mode of a vehicle; and the second dial plate display region is configured with a second virtual dial plate and a second virtual pointer, the second virtual dial plate corresponds to the second mechanical dial, and the second virtual pointer is arranged on the second virtual dial plate and rotates along the center of the second virtual dial plate. The vehicle information display device can meet the individual requirement that a user can concisely and efficiently interact with instruments in different driving modes.

A method for controlling a motor vehicle including driven wheels, a mechanism recovering energy generated by braking, and a torque transmission chain transmitting torque from the driven wheels to the energy recovery mechanism, the method including:a) acquiring a braking instruction and dynamic characteristics of the motor vehicle,b) controlling the energy recovery according to a control set point calculated as a function of the braking instructions and the dynamic characteristics acquired in a), and c) controlling the brakes according to a control set point calculated as a function of the braking instruction and the dynamic characteristics acquired in a). In b), the control set point for energy recovery is calculated by a preventive filter that filters the braking instruction to attenuate amplitude thereof around the resonant frequency of the torque transmission chain.

The invention discloses an easy-to-install chain disk for bicycles, which comprises a disk body, an activity chamber is opened inside the disk body, a plurality of installation openings are opened on the inner wall of the activity chamber, and the inner wall of the activity chamber is rotatably connected with A plurality of latches, a plurality of latches all pass through the installation port and extend outward; the inner wall of the movable chamber is rotatably connected to an adjustment ring, and the latches are connected to the adjustment ring through a connecting mechanism, and the front side of the disc body An adjustment device matching the adjustment ring is provided. The invention uses the adjustment device to drive the adjustment ring to rotate slightly, and the adjustment ring drives the locking teeth to deflect through the rotating rod in the connecting mechanism, and the locking teeth deflect to the inside of the installation port after deflection, so that the overall outer diameter of the chain plate is reduced, and the chain can be directly sleeved On the two chain discs, reversely rotate the arc-shaped block so that the teeth are inserted into the chain and then fix the position of the arc-shaped block with screws, which brings convenience to the installation work of the chain.

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.

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.

The invention provides a novel transmission device of a combined machine and relates to the technical field of transmission devices. The novel transmission device of the combined machine specifically comprises a power gear, connecting bolts, a transition connecting disc, a power shaft, a flat key, a transition sleeve, a lower rotating body, a rotating barrel body, a lower transmission shaft and a spline, wherein the connecting bolts include a first connecting bolt and a second connecting bolt, the power gear receives power of the transmission device and is connected with the transition connecting disc through the connecting bolts, the transition connecting disc is connected with the power shaft through the spline, the power shaft is connected with the transition sleeve through the flat key, the transition sleeve is connected with the lower rotating body through the first connecting bolt, the lower rotating body is connected with the rotating barrel body through the second connecting bolt, the rotating barrel body drives the lower transmission shaft to perform circular motion, and accordingly transmission of a lower die is finished. The novel transmission device of the combined machine can accurately achieve positioning, and meanwhile a transmission line of the transmission device is simple.