11 results about "Total transmission" patented technology

The invention provides an unmanned aerial vehicle deployment and transmission method, electronic equipment and a readable storage medium. The method aims at a scene that a plurality of unmanned aerial vehicles are used for providing transmission services for a plurality of robots which are distributed in a certain area and move randomly. According to the scene, an unmanned aerial vehicle deployment and task transmission optimization model which takes maximization of the total transmission success number as a target and takes the flight speed, the safety distance and the like of the unmanned aerial vehicle as constraints is disclosed, and an optimal unmanned aerial vehicle deployment and task transmission scheme is solved by using simulated annealing and a Hungary algorithm. In addition, the invention further discloses a scheme for solving the optimal number of the unmanned aerial vehicles by using a tripartite search algorithm and aiming at maximizing the weighted value of the expected total transmission success number and the deployment cost to deploy an unmanned aerial vehicle number optimization model constrained by the total budget.

The present invention provides a method for automatically configuring a ship transmission, belonging to the technical field of transmissions. The method comprises the following steps: determining the total transmission ratio from each engine to a propeller and the maximum number of transmission stages allowed by the transmission; obtaining the optimal number of transmission stages from each engine to a propeller based on the maximum number of transmission stages; selecting the maximum number of transmission stages k among the optimal number of transmission stages from each engine to a propeller; arranging the vertices of a transmission graph model using k+3 as the total number of vertex layers in the graph model; connecting the arranged graph model vertices by vertex layer; determining the unit type and the numbering method for the edges of the graph model, and numbering the vertices and edges of the graph model; screening the generated graph models and retaining those that conform to logic; and mapping the user-selected transmission graph model into a transmission configuration. This method can automatically generate graph models for all transmissions, effectively improving the design efficiency of ship transmissions.

In the present invention, a motor unit of a compressor is provided with a plurality of passages whereby an upper space and a lower space inside a sealed container are in communication. A is defined as the total cross-sectional area of all passages (rotor passages) provided to a rotor of the motor unit, B is defined as the total cross-sectional area of all passages (non-rotor passages) not provided to the rotor, C is defined as the total heat transfer area of all rotor passages, D is defined as the total heat transfer area of all non-rotor passages, and S is defined as the cross-sectional area of the sealed container based on the inner diameter thereof. In the compressor, A≥B, C≥D, the ratio C / S is not less than 1.0 (C / S≥1.0), or the ratio (A+B) / S is not less than 0.05 ((A+B) / S≥0.05). Thus, propagation of a disproportionation reaction of hydrofluoroolefin is favorably suppressed or mitigated without a large effect on the configuration of the compressor.

The invention discloses an invisible door handle actuator, and relates to the technical field of automobile parts. Comprising an actuator body, and the actuator body comprises a lower cover, an upper cover and a driving assembly arranged between the lower cover and the upper cover; the driving assembly comprises a motor, a motor worm arranged on an output shaft of the motor, a transmission worm gear in transmission connection with the motor worm, a transmission worm arranged on the transmission worm gear, a push-out worm in transmission connection with the transmission worm and a motor sealing ring. The motor sealing ring, the socket sealing ring and the laser welding mode are adopted, IP67-level waterproof of the motor bin is achieved, normal work of the motor is effectively protected, the motor worm, the transmission worm gear, the transmission worm and the push-out worm are all made of PA46 materials, the product can resist the high temperature of 85 DEG C and does not deform, the transmission worm gear and the transmission worm are both arranged in an inclined mode, and the transmission worm gear and the push-out worm are not prone to deformation. The transmission has a better total transmission ratio, and the output force is greatly improved, so that the product can work normally in an extreme environment and the performance output consistency is good.

Gear transmission (1), including a first transmission stage (2) and a second transmission stage (3). The second transmission stage is a differential gear device (97, 98, 117), including a planetary gear system (99) implemented in a quasi-replication form. Wherein a first component (118) forms a torque resistance device (119). Wherein a second component (120) is interconnected or interacts with the output shaft (20). The total transmission efficiency of the first transmission stage is higher than that of the second transmission stage and / or the total torque transmission capacity of the second transmission stage (3) is higher than that of the first transmission stage (2).

The utility model discloses a modularized robot joint module with a stepless speed changing and reducing mechanism, and belongs to the technical field of humanoid robot transmission mechanisms. The assembly comprises a machine shell, a stepless speed changing and reducing mechanism is arranged in the machine shell, a ring gear is fixed to the upper surface of the machine shell, a gear ring is fixed to the ring gear, and a driving disc is rotationally installed in the gear ring. The stepless speed changing and reducing mechanism comprises a variable-pitch first bevel gear, a variable-pitch second bevel gear, a driving motor, an H-shaped driving rod, an electric push rod, a traction ring and a planetary gear train composed of driving teeth, a planetary gear and a ring gear, wherein the variable-pitch first bevel gear and the variable-pitch second bevel gear are meshed. Stepless continuous adjustment of the total transmission ratio can be achieved, different working conditions of high-speed light load, low-speed heavy load and the like of the humanoid robot can be flexibly adapted, stability, bearing capacity and transmission precision of power transmission are effectively improved, transmission loss is reduced, and smoothness and reliability of operation of joints of the robot are guaranteed.

The invention relates to a drive system (1) for a belt conveyor system (2), comprising at least one electric working machine (3), a transmission (4) and a drive drum (5) which is connected to a belt of a belt conveyor system (2), wherein the electric working machine has a nominal rotational speed (3) of between 5000 rpm and 15000 rpm, wherein the transmission (4) has a total transmission ratio in a range from 1: 50 to 1:250, wherein the drive drum (5) is designed to be operated in a rotational speed range of 0-200 rpm, wherein the electric working machine (3) and the transmission (4) comprise a common shaft (6) which forms both the drive shaft (7) of the electric working machine (3) and a toothed shaft (7) for the transmission (4), wherein the shaft (6, 7) is mounted by means of at least two bearings (8) and comprises a toothing (14) at the transmission-side end region.

The invention discloses a robust unmanned aerial vehicle terahertz safety communication method. The method comprises the steps of firstly establishing an unmanned aerial vehicle terahertz safety communication system; establishing an optimization problem combining the unmanned aerial vehicle trajectory Q, the artificial noise vector f and the transmitted beam forming vector w by taking the minimization of the total transmitted power of the unmanned aerial vehicle flight base station as a target; and finally, a block coordinate descent method and an S process positive semi-definite relaxation successive convex approximation algorithm are utilized to convert and solve the optimization problem, and a corresponding optimal unmanned aerial vehicle trajectory set Qb, an optimal artificial noise vector fb and an optimal transmission beam forming vector wb are obtained when the total transmission power P of the unmanned aerial vehicle flight base station is minimum. The communication method is accurate in channel estimation, so that the energy consumption of the unmanned aerial vehicle base station is low.

The utility model relates to electroplating technical field discloses a kind of electroplating production line and electroplating equipment.Electroplating production line, comprising: drive motor and total transmission shaft, drive motor is connected with total transmission shaft transmission;Vertical rotary hanger and vertical transmission mechanism, vertical rotary hanger is connected with total transmission shaft by vertical transmission mechanism, vertical rotary hanger is rotated with up-down direction as axis;Horizontal rotary hanger and horizontal transmission mechanism, horizontal rotary hanger is connected with total transmission shaft by horizontal transmission mechanism, horizontal rotary hanger is rotated with left-right direction as axis.The utility model is replaced by mechanical transmission and the design of shared transmission system's design, solve the problem of low efficiency caused by corrosion and poor contact in relevant technology.Drive motor and the collaborative work of total transmission shaft, in combination with the differentiated design of vertical / horizontal transmission mechanism, realize the independent control and stable operation of vertical rotary hanger and horizontal rotary hanger, reduce hardware cost and maintenance difficulty, realize cost reduction and efficiency increase.

The present application relates to the technical field of cooperative scheduling, in particular to a kind of engine and electric drive cooperative efficiency scheduling method based on target working condition interval, comprising the following steps: according to real-time demand power change rate and road gradient, match predefined target energy transmission chain interval;In target energy transmission chain interval, the total transmission efficiency model of output shaft to wheel end is constructed, and the total transmission efficiency model is associated with engine efficiency, electric drive efficiency and transmission chain loss rate;According to total transmission efficiency model, engine torque, motor torque and gearbox speed ratio are adjusted synchronously, so that energy transmission path loss is minimized.The present application constructs the target energy transmission chain interval determination logic of three-level combined type "basic interval+boundary scaling+loss constraint".Unlike the rough method based on only slope single parameter static division in the prior art, the scheme can dynamically adjust the available power range of transmission chain, effectively covering three typical operating states of flat road, climbing and heavy load.

The present application relates to a method, system and medium for determining the performance of a gas turbine combined cycle unit under supplementary combustion conditions, wherein the method obtains the equivalent total heat transfer coefficient under standard conditions according to the standard performance parameters of the gas turbine combined cycle unit obtained in advance; obtains the equivalent total heat transfer coefficient under supplementary combustion conditions according to the preset supplementary combustion exhaust temperature; compares the equivalent total heat transfer coefficient under standard conditions with the equivalent total heat transfer coefficient under supplementary combustion conditions; when the comparison result does not meet the preset threshold, the equivalent total heat transfer coefficient under the target supplementary combustion condition is obtained by adjusting the approach point temperature difference and the exhaust temperature after supplementary combustion until the comparison result meets the preset threshold, and the performance of the gas turbine combined cycle unit under supplementary combustion conditions is determined based on the equivalent total heat transfer coefficient under the target supplementary combustion condition. The problem of low accuracy in determining the supplementary combustion performance of the gas turbine combined cycle unit under non-design conditions in the related art is solved.