90results about How to "Good pruning effect" patented technology

The invention discloses a joint neural network model compression method based on channel pruning and quantitative training. The method comprises the steps: 1, sparsifying a training model; step 2, training model pruning; 3, finely adjusting the model; 4, quantifying the model after pruning is finished, and constructing a conventional floating-point number calculation graph; step 5, inserting pseudo-quantization modules into corresponding positions of convolution calculation in the calculation graph, inserting two pseudo-quantization modules into a convolution weight and an activation value, and quantizing the weight and the activation value into 8-bit integer; 6, dynamically quantifying the training model until convergence; 7, performing quantitative reasoning; and 8, finally obtaining a pruned and quantified model. Through two technologies of pruning and quantification, the time and space consumption of the model is greatly reduced under the condition of maintaining the accuracy of the model.

The invention provides a pruning threshold determination method and device and a model pruning method and device. The pruning threshold determination method includes: aiming at a current convolution layer of a preset model, determining at least one convolution kernel index position corresponding to convolution kernel combination of the current convolution layer, wherein the current convolution layer refers to any convolution layer of the preset model; obtaining a cumulative distribution function according to a weight value at each convolution kernel index position; taking a preset model compression ratio as a dependent variable, substituting into the cumulative distribution function, and determining an obtained numerical value as a pruning threshold of the current convolution layer. Sincethresholds applicable to any layers of the model are determined on the basis of weight distribution conditions of the corresponding layers of the model, pruning effect optimization is benefited.

The invention relates to a trimming device, in particular to a garden branch trimming device. Against the technical problem to be solved, the invention provides a garden branch trimming device which saves time and labor, has a good trimming effect, does not require manual trimming, and is not easily damaged by blasting debris. In order to solve the technical problem, the invention provides such agarden branch trimming device which comprises a base plate, wheels, a frame, a horizontal plate, a supporting bar, a movable plate, a vertical plate, a fixed plate and a mounting plate and the like. The wheels are symmetrically mounted on the left side and the right side of the bottom of the base plate, the frame is mounted at the middle of the top of the base plate, a lifting device is disposed between the middle of the top of the base plate and the inside of the frame, and the lifting device is connected with the horizontal plate. According to the garden branch trimming device, through the lifting device, branches of trees with different heights can be trimmed; through an angle adjustment device, a cutter head can trim the branches better, and the effects that the garden branch trimmingdevice saves time and labor, has a good trimming effect, does not require manual trimming and is not easily damaged by blasting debris are achieved.

The invention discloses a multifunctional trimming machine, and belongs to the technical field of garden machines. The multifunctional trimming machine comprises a vehicle body, a first trimming device is installed at the rear portion of the vehicle body, a second trimming device is installed at the front portion of the vehicle body, the first trimming device comprises an upright arm, a swinging arm, an operating platform, a swinging arm locating mechanism, a planar trimming mechanism and a ball forming mechanism, the upright arm is rotatably installed on the vehicle body, and an adjusting sleeve is fixedly installed at the outer part of the upright arm; one end of the swinging arm is hinged to the adjusting sleeve, and a slide shelf which is driven by a linear driving device is slidably installed at the other end of the swinging arm; the operating platform is fixed to the upright arm; the swinging arm locating mechanism comprises a coiling cylinder, a fixed pulley and a steel wire rope; one of the planar trimming mechanism and the ball forming mechanism is detachably installed on the slide shelf. By means of the multifunctional trimming machine, plants are trimmed in the horizontal plane, the tilting plane, the spherical plane, the cambered plane or the vertical plane, and the multifunctional trimming machine has multiple purposes; the working efficiency is high, and workers'labor intensity can be reduced.

The invention provides a spherical hedge trimming device. The spherical hedge trimming device comprises a hydraulic motor, wherein a connecting arm is arranged on the side surface of the hydraulic motor, a shaping and fixing cutter is connected with the bottom of the hydraulic motor, the top of the shaping and fixing cutter is connected with two rotary knives, and reinforcing rib plates are arranged on backs of the two rotary knives; the connection is movable; the shaping and fixing cutter is skullcap-shaped and comprises a ring and four knife fan blades, the top ends of the four knife fan blades are connected onto the hydraulic motor, and the bottom ends of the four knife fan blades are connected onto an inner ring edge of the ring; the rotary knives adopt arc-shaped knife boards, and the two rotary knives are mutually combined to constitute a downward semicircle; the reinforcing rib plates adopt profile-following design, that is, the shapes of the reinforcing rib plates are fitted with back contours of the rotary knives. The spherical hedge trimming device is easy to fix, facilitates trimming and has a better trimming effect, the trimming efficiency is improved, and the labor cost is reduced.

The invention discloses a bridge disease real-time detection method based on model pruning, and the method comprises the following steps: firstly obtaining a bridge apparent damage image through an unmanned plane, and dividing a data set into a training set, a verification set and a test set according to a proportion; increasing the number of data sets by applying an image enhancement method; constructing a yolov3 network framework, adding L1 regularization constraints of gamma parameter items to each batch of normalization layers (BN) of the network, setting a sparsity adjustment strategy ofprogressive local attenuation, and training the reconstructed network to obtain a training model; after the gamma parameters of all the trained BN layers are obtained, performing model pruning of thelayers and the channels according to the sizes of the gamma parameters between the layers and in the layers, deleting the channel with the small weight, and obtaining a pruned model; and carrying outbridge apparent disease automatic identification by using the trained model. The invention is high in efficiency and low in cost, and compared with a traditional manual label marking training method,the method has more obvious automation and high efficiency.

The invention provides a portable multifunctional environmental sanitation sweeping device which comprises a control chamber, a dust suction pump, a dust suction pipe, a filter device, a water tank, a dustbin, a green belt trimming device, a pipeline dredging device, a cleaning device, a trolley, a dust suction hood, a dust suction lifting cylinder, a water spraying opening, a water pipe, a water pump and wheels. The wheels are installed on the left and right sides of the lower portion of the trolley respectively. The control chamber is arranged at the upper left portion of the trolley. The pipeline dredging device is installed on the right side of the trolley through a bolt; the green belt trimming device is installed at the right portion of the upper side of the trolley through a bolt. By arranging a purification layer and a screen net, secondary use of cleaning sewage is achieved, the water resource utilization rate is increased, and water pollution is reduced; by arranging a trimmer, the trimming effect is good, and the green belt trimming efficiency is improved; by arranging the belt, the transmission effect is good, overload protection can be achieved, a power motor is not likely to be damaged, use is more convenient, and the device is convenient to use and popularize.

The invention provides a convolutional neural network pruning method, apparatus and device, and a medium. The method comprises the steps of obtaining a data set of an image and dividing the data set into a training set and a verification set; after a to-be-pruned convolutional neural network model is initialized, multiple rounds of pre-training being carried out on images in the training set, and determining a sensitive layer of the network; multiple rounds of automatic pruning operation being carried out through reinforcement learning, the model accuracy of each round of pruning operation being obtained, and therefore obtaining the model pruning strategy with the highest model accuracy. According to a deterministic strategy of reinforcement learning, different compression strategies are carried out on a sensitive layer and a non-sensitive layer of a network, so that the number of filters of each network layer is pruned; and performing fine tuning operation to obtain a final convolutional neural network model. According to the method, reinforcement learning is involved from the beginning of model pruning, the pruning strategy of the model is optimized according to the environment, the pruning object is a complete filter, irregularity of the model cannot be caused, and generalization is greatly improved.

The invention discloses an operating platform of a hedge trimmer. Front universal wheels are arranged at the front end of the bottom of a trolley body, rear fixed wheels are arranged at the rear end of the bottom of the trolley body, a trolley handrail is arranged at the rear end of the trolley body, side fixed wheels are separately arranged at lower ends of the two sides of the trolley body, a horizontal track is fixed onto the trolley body, a telescopic prop is connected with the horizontal track in a sliding manner, and a first locking mechanism which can be used for locking relative positions of the telescopic prop and the horizontal track is arranged on the telescopic prop; an L-shaped track is fixed to the upper end of the telescopic prop; a fixed seat is connected with the L-shaped track in a sliding manner, and a second locking mechanism is arranged between the fixed seat and the L-shaped track; and the lower end of the fixed seat is connected with a rotary table through a rotary shaft, a locking structure is arranged between the fixed seat and the rotary table, and a fixing frame which is used for fixing the hedge trimmer is arranged on the rotary table. According to the operating platform of the hedge trimmer, the working is timesaving and laborsaving, the working efficiency is higher, the pruning effect is better, the structure is simple, and the use is convenient, so that the operating platform has popularization and application values.

The arc hedge knife of the present invention relates to the field of garden pruning equipment, in particular to an arc hedge knife, comprising a shearing knife body and two arc-shaped knife rests, and the two arc-shaped knife rests are rotatably connected to form a semicircular knife rest. The two ends of the semicircular knife rest are connected to the two ends of the shearing knife body in rotation, and the semicircular knife rest is provided with a through-axis motor, and the two output ends of the through-axis motor are connected to the shear through a flexible shaft. The two ends of the cutter body are connected; the present invention has simple structure, convenient operation, rapid trimming and accurate positioning. The two ends of the semicircular knife holder are respectively connected to the two ends of the shearing cutter body in rotation, and are driven by a vertical rotating motor. The shearing knife body rotates in the vertical plane, and the shearing knife body is rotated to the horizontal plane to facilitate positioning, so that the center of the shearing knife body is aligned with the center of the ball tree, and combined with the horizontal rotation motor, the shearing knife body can be positioned in the horizontal plane. It can rotate in the horizontal plane and can also rotate in the vertical plane to improve the pruning efficiency and the pruning effect is good.

The invention discloses a special trimming and pruning machine for wolfberries, which comprises a transverse support connecting arm, a vertical support connecting arm, a connecting base, a transversesawtooth fixed mount, a vertical sawtooth fixed mount, a transverse sawtooth, a first sawtooth controlling device, a second sawtooth controlling device, a third sawtooth controlling device, a first vertical sawtooth and a second vertical sawtooth. The first sawtooth controlling device is equipped with the transverse sawtooth; the first vertical sawtooth and the second vertical sawtooth are arranged on the vertical sawtooth fixed mount; the second sawtooth controlling device is equipped with the first vertical sawtooth; the third sawtooth controlling device is equipped with the second verticalsawtooth; the first sawtooth controlling device controls the transverse sawtooth to cut; the second sawtooth controlling device controls the first vertical sawtooth to cut; the third sawtooth controlling device controls the second vertical sawtooth to cut. According to the special trimming and pruning machine for the wolfberries, the mechanical pruning of wolfberry trees is achieved, thereby replacing artificial pruning, increasing the pruning efficiency, and meeting management requirements of large area of wolfberries planting.

The invention discloses an automatic green plant trimming device. The automatic green plant trimming device comprises a movable assembly, a suspension assembly erected on the movable assembly, a lifting motor suspended on the suspension assembly, a lifting platform which is driven to move up and down by the lifting motor, and a trimming assembly suspended under the lifting platform; an electricalcomponent in the trimming assembly is electrically connected with a central control box; the trimming assembly comprises a plurality of trimmers which are arranged in a matrix, a plurality of connection rods, and a plurality of adjustment steering gears; adjacent trimmers on a row are hinged together by the connecting rods; gear bodies of the adjustment steering gears are fixed on one trimmer; andoutput shafts of the adjustment steering gears are connected with adjacent trimmers on adjacent rows so that each of the adjustment steering gears drives two trimmers to perform relative motions. Theautomatic green plant trimming device utilizes the trimming assembly assembled by the trimmers so as to realize customization of trimming styles. Cutter heads of the trimmers of the automatic green plant trimming device can rotate for certain angles through driving of rotating motors so that cutting directions of the cutter heads can be changed, thereby realizing better trimming effects.

The invention relates to an automatic maintenance vehicle for a subway rail. The automatic maintenance vehicle comprises a base plate, wherein two rows of support columns are symmetrically arranged in the middle of the lower end of the base plate, rail cleaning devices are installed on the lower ends of the two rows of support columns, the two rows of support columns have the effects of stably supporting the rail cleaning devices, and the rail cleaning devices have the automatic cleaning functions in the middle of the rail; four support legs are symmetrically arranged on the lower end of the base plate, four universal wheels are respectively arranged on the lower ends of the support legs, and the automatic maintenance vehicle can be moved to a designated position by virtue of the four universal wheels on the four support legs; a rail tree trimming device is arranged on the left side of the upper end surface of the base plate, the rail tree trimming device has an automatic trimming function on rail protection trees, a rail stone pushing and shoving device is installed on the right side of the upper end surface of the base plate, and the rail stone pushing and shoving device has an automatic pushing and shoving function on rail vibration reduction stones. According to the automatic maintenance vehicle, the integrated automatic rail maintenance functions of trimming the trees, pushing and shoving the stones and cleaning can be realized.

The invention discloses a movable automatic pruning machine and a pruning method thereof, and belongs to the technical field of green plant pruning equipment. The movable automatic pruning comprises a vehicle body, a cab, a base, a rotation driving device, a rotation seat, an operation room, a large arm, a small arm, a connecting rod, a rocker, a tool bit assembly, a large arm oil cylinder, a small arm oil cylinder and a tool bit assembly oil cylinder; the tool bit assembly comprises a mounting platform, a connecting arm and a plurality of pruning cutter discs, a connecting rod parallel to the mounting platform is fixedly connected to the connecting arm, a gravity hammer is rotatably mounted at the free end of the connecting rod, a horizontal indication line is arranged on the mounting platform, and when the mounting platform is located at the horizontal position, the gravity hammer points to the horizontal indication line. The pruning method of the mobile automatic pruning machine comprises the mobile automatic pruning machine. According to the invention, automatic horizontal plane or vertical plane pruning of green plants is realized. Besides, the tool bit assembly is monitored, the pruning effect is good, and the surface is flush and attractive.

The invention relates to an automatic pruning machine for expressway halving belt anti-dazzle plants. The automatic pruning machine comprises a power system, a walking system, a pruning system, a branch and leaf collecting system, a branch and leaf processing system, an intelligent system and a control system, wherein the power system consists of an engine, a speed changing box, a transfer case, a hydraulic motor and a hydraulic pump; the walking system consists of an engine, a speed changing box, a transfer case, a differential mechanism, a drive axle and tires; the pruning system consists of a pruning arm, a driving shaft, a pruning device and a feed unit; the branch and leaf collecting system consists of a high-power dust collector, a suction pipe, a dust collecting arm and a branch and leaf collecting box; the branch and leaf processing system comprises a high-temperature box, a crusher and a storage bag; the intelligent system comprises hardware, analysis and judgment software and an operation instruction; the control system comprises a control element, control software and an operation switch. The automatic pruning machine has the advantages of convenient construction, low labor cost and good pruning effect.

The invention discloses a portable electromagnetic type fruit tree trimmer, comprising a fixing edge, a moving edge and a telescopic hollow rod; the upper end of the telescopic hollow rod is provided with the fixing edge, and the moving edge can rotate around the upper end of the telescopic hollow rod; a spring is arranged between the moving edge and the telescopic hollow rod, and the lower end of the telescopic hollow rod is provided with a case; the bottom part in the case is provided with an iron core, and the upper part of the iron core is provided with the spring; the upper part of the spring is provided with an electromagnetic device, and a soft iron wire is arranged between the electromagnetic device and the moving edge; the electromagnetic device is connected with a power source and a power switch; one side of the case is provided with a belt. The portable electromagnetic type fruit tree trimmer is convenient to carry, simple in structure, high in automation degree, good in trimming effect, and featured by time saving and durability; the trimmer is economic and environment-friendly, high in safety performance and also good for external popularization.

The present invention provides a pneumatic pruning instrument for green belt bushes that comprises an air compressor, a bush pruning apparatus, a pruning moving apparatus and a reversing valve controller. The air compressor is configured to provide the bush pruning apparatus and the pruning moving apparatus with compressed air. The bush pruning apparatus is powered by the compressed air to prune bushes. The reversing valve controller is configured to control power on/off of the bush pruning apparatus and the pruning moving apparatus. The pruning moving apparatus comprises a steel rope, a winding and unwinding mechanism, and a moving mechanism. The steel rope is wound around the winding and unwinding mechanism, and a worker can wind and unwind the steel rope by means of the winding and unwinding mechanism according to the width of bushes to be pruned to allow the length of the steel rope to match with the width of the bushes to be pruned. The moving mechanism is configured to drag the bush pruning apparatus to move to and fro in the width direction of bushes.