10results about How to "Precise motion control" patented technology

The utility model provides an all-dimensional cleaning device for a PH meter. The all-dimensional cleaning device for the PH meter solves the problems that existing cleaning equipment is not comprehensive and thorough in PH meter cleaning, low in efficiency and the like. The device comprises a driving mechanism located on the upper portion and a cleaning mechanism located on the lower portion, the driving mechanism comprises a translation assembly, a lifting assembly is driven on the translation assembly, a rotating assembly is driven on the lifting assembly, and a PH meter is arranged on the rotating assembly; the cleaning mechanism comprises a cleaning tank, a spiral spray pipe is arranged in the cleaning tank, a spray-washing space is formed in the inner circumference of the spiral spray pipe, the spiral spray pipe is provided with a plurality of nozzles facing the spray-washing space, and the PH lowering meter extends into the spray-washing space. The all-dimensional cleaning device for the PH meter has the advantages of being efficient, comprehensive, accurate and automatic, the cleaning quality of the PH meter can be effectively improved, the manual operation cost is reduced, the overall efficiency of a production line is improved, and good adaptability and reliability are achieved.

Provided is a vehicle motion control device capable of performing highly accurate vehicle motion control in consideration of limits that will occur in actuators in the future. The vehicle motion control device includes: an actuator characteristic change estimation unit configured to estimate a characteristic change of an actuator at a future time from a current time; a controllable range estimation unit configured to calculate a controllable range of a vehicle motion from a characteristic change calculated by the actuator characteristic change estimation unit, a target track of a vehicle, and a current vehicle state; a vehicle motion planning unit configured to create a motion plan within a controllable range calculated by the controllable range estimation unit; an evaluation value calculation unit configured to calculate an evaluation value based on a motion plan created by the vehicle motion planning unit; and a determination unit configured to determine whether or not an evaluation value calculated by the evaluation value calculation unit is minimum. The controllable range estimation unit refers to a target track of the vehicle and calculates a controllable vehicle motion range at a future time in consideration of a characteristic including at least an output range of an actuator regarding a vehicle motion from a current time. The vehicle motion planning unit creates a motion plan with reference to a predetermined evaluation function within the controllable vehicle motion range calculated by the controllable range estimation unit.

This invention provides a fixture for high vacuum equipment and its design method. The fixture includes: a fixing part; a clamping part connected to the fixing part and capable of translation or rotation relative to the fixing part; a driving part, with its two ends connected to the fixing part and the clamping part respectively; and a temperature control part for regulating the temperature of the driving part. When the temperature of the driving part changes from an initial temperature to a target temperature, the length of the driving part changes from an initial linear length to a target linear length, driving the clamping part to translate relative to the fixing part from an initial linear position to the target linear position; or when the temperature of the driving part changes from an initial temperature to the target temperature, the length of the driving part changes from an initial arc length to a target arc length, driving the clamping part to rotate relative to the fixing part from an initial angular position to a target angular position. This fixture can ensure precise motion control while avoiding negative impacts on the airtightness of the high vacuum equipment.

The utility model relates to an automatic tray jacking device which comprises a support, a linear lifting module is arranged on the support, a rotor of the linear lifting module is connected with a mounting plate, and a secondary tray jacking assembly is arranged on the mounting plate. The linear lifting module drives the charging tray secondary jacking assembly to perform primary jacking action; the charging tray secondary jacking assembly is used for carrying out secondary jacking action; the support is further provided with a tray telescopic assembly. The tray telescopic assembly is arranged above the charging tray secondary jacking assembly; the charging tray secondary jacking assembly is used for jacking the charging tray on the tray telescopic assembly from bottom to top; anti-toppling assemblies are arranged on the two sides of the tray telescopic assembly correspondingly. The linear module and the air cylinder are combined, so that automatic jacking of the charging tray can be completed, the advantages of the linear module and the air cylinder can be brought into full play to achieve efficient, accurate and reliable motion control, and the linear module and the air cylinder have the advantages of being high in precision and stability, high in response speed, high in bearing capacity, flexible in motion control, high in reliability and the like.

This utility model relates to the technical field of shrink tubing, and more particularly to a shrink tubing heat shrinking device. Its technical solution includes a heat shrink box body, an outer rod, a mounting rod, and an inner rod. The rear surface of the heat shrink box body has a material inlet, and a fixed door is hinged to the rear surface of the material inlet. A handle is welded to the rear surface of the fixed door. A worktable is welded to the lower surface of the heat shrink box body, and support legs are welded to the lower surface of the worktable. A base plate is welded inside the support legs. A support rod is fixed to the inner wall of the heat shrink box body, and mounting rods are movably inserted into both outer ends of the support rod. An outer rod is fixed to one outer end of the mounting rod, and an inner rod is movably inserted into one outer end of the outer rod. A fixed rod is fixed to one outer end of the inner rod, and connecting rods are movably inserted into both outer ends of the fixed rod. A first hydraulic cylinder is installed on the inner wall of both the fixed rod and the support rod. This utility model facilitates the expansion of the shrink tubing.

This disclosure provides a robot control method, apparatus, device, and computer-readable storage medium. The method estimates the Jacobian matrix of robot motion based on real-time acquired robot motion data and establishes an optimization problem for a specific task based on physical constraints on the joint angular velocities and accelerations of each joint of the robot. This determines the control information for the robot's joint angular velocities, thereby achieving precise control of the robot's motion. This method enables fast and accurate robot motion control based on data-driven approaches even when the robot model structure is unknown or inaccurate, reducing computational costs and control errors caused by inaccurate structural information, and effectively reducing joint angular deviations during task execution. Furthermore, by limiting the robot's joint angular acceleration, it solves the problem of discontinuous speed or even motor damage caused by excessively large joint angular acceleration.

The utility model discloses a novel embedded LSR laser speckle removing module, which comprises a main body base, a first elastic sheet, a second elastic sheet, a magnet group and a coil group, a base through hole is arranged in the middle of the main body base, the first elastic sheet is provided with two first elastic arms, the second elastic sheet is provided with two second elastic arms, and the coil group is arranged in the base through hole. The extending direction of the first elastic arm is perpendicular to the extending direction of the second elastic arm. The magnet group comprises two first driving magnets and two second driving magnets, and the coil group comprises two first driving coils and two second driving coils; the first elastic sheet is positioned on the upper end side of the main body base; the tail end parts of the first elastic arms are respectively screwed on the upper surface of the main body base; the second elastic piece is located on the lower end side of the main body base. The tail end of each second elastic arm is screwed to the lower surface of the main body base. The first elastic sheet is provided with a first optical diffusion sheet, and the second elastic sheet is provided with a second optical diffusion sheet. By means of the structural design, the device has the advantages of being novel in structural design and accurate in motion control.

This invention discloses a PC-based integrated vision-motion logic control method, device, and storage medium, relating to the field of industrial automation control technology. The method includes the following steps: establishing a three-buffer ring array and a global atomic index in the physical memory of a multi-core PC; utilizing CPU atomic instructions to achieve data interaction between the vision process and the PLC core; the PLC periodically comparing frame tokens, and when visual data lag is detected, automatically entering inertia compensation mode to generate virtual target coordinates and calculate inertial drift to ensure motion continuity; real-time calculation of crash warning values ​​and jamming risk indicators, based on which a multi-level linkage multi-dimensional adjustment algorithm dynamically adjusts the PLC control cycle and process parameters to achieve proactive defense and adaptive adjustment of the system. This invention solves the problem of control cycle breakage and discontinuous mechanical motion oscillation caused by significant fluctuations in the visual recognition time of non-standard agricultural products.

Embodiments of the present disclosure relate to a method and apparatus for synthesizing four-dimensional content, an electronic device, and a storage medium. The method includes determining a plurality of three-dimensional Gaussian points on a three-dimensional model of a spatial object; dividing the plurality of three-dimensional Gaussian points into a plurality of component units, wherein a component unit is a constituent part of the three-dimensional model; determining a corresponding physical attribute of each component unit in the plurality of component units; and controlling the plurality of three-dimensional Gaussian points to move according to the corresponding physical attribute, to synthesize four-dimensional content of the spatial object. Thus, the physical rationality and control accuracy of the four-dimensional content can be improved.

The utility model discloses a material taking and placing module. The material taking and placing module comprises a Y-axis driving module, an X-axis driving module arranged at the output end of the Y-axis driving module, a variable-pitch material suction module arranged at the output end of the X-axis driving module and a cover plate taking assembly. The variable-pitch suction module comprises a first mounting plate, a first Z-axis driving module arranged on the first mounting plate, a driving mechanism and a first sliding assembly which are arranged at the output end of the first Z-axis driving module, a plurality of suction cup modules arranged on the first sliding assembly and a variable-pitch plate arranged at the output end of the driving mechanism. A plurality of guide groove holes are formed in the pitch changing plate, each suction cup module is further provided with a cam roller, and the cam rollers are correspondingly arranged in the guide groove holes and can roll along the guide groove holes; the cover plate taking assembly comprises a second mounting plate, a second Z-axis driving module arranged on the second mounting plate, second sliding assemblies arranged on the two sides of the second Z-axis driving module, a fixing base arranged at the output end of the second Z-axis driving module and slidably connected with the second sliding assemblies, and a plurality of material taking mechanisms arranged on the fixing base.