284results about How to "To achieve the purpose of control" patented technology

The invention discloses electro-hydraulic mix-drive sand mixing equipment. The equipment comprises a skid seat, motors, a hydraulic pump. a discharge centrifugal pump, a suction centrifugal pump, a mixing tank, a dry adding system, a liquid adding system and a sand conveying auger system; the motors, the hydraulic pump, the discharge centrifugal pump, the suction centrifugal pump, the mixing tank,the dry adding system, the liquid adding system and the sand conveying auger system are integrated and arranged on the skid seat in a skid-mounting mode; two motors are arranged and comprise a firstmotor and a second motor; the first motor drives the discharge centrifugal pump; and the second motor drives the hydraulic pump, so as to drive the suction centrifugal pump, the mixing tank, the dry adding system, the liquid adding system and the sand conveying packing auger system, wherein the motors are variable-frequency integrated motors. The equipment has the beneficial effects that through application of the two variable-frequency integrated motors, firstly, arrangement of an independent variable frequency cabinet is effectively reduced, so that the overall size of the sand mixing equipment is effectively compressed, and transportation and well site arrangement of equipment are more flexible and convenient; and secondly, the control system is more concise, and power matching of the sand mixing equipment is optimized.

The invention discloses a method for charging service data of users, a system and a policy control and charge rule functional entity thereof, and a strategy and charge executing entity thereof. The method comprises the following steps: the policy control and charge rule functional entity receives a credit application message carrying the user identification information of the policy and charge executing entity, and then queries user service data information according to the user identification information. The policy control and charge rule functional entity formulates the charge rules according to the queried user service data information and based on the charge policy, and then feedbacks the credit control response message to the policy and charge executing entity, and the credit control response message carries the charge rules and the user service data information; the policy and charge executing entity charges according to the charge rules and the user service data information. The method and the entities of the invention can ensure that the carrying level policy and charge executing entity can be treated differently according to the publicized charge rules and the user service data information, thus realizing the target of controlling charging service flow and basic service bandwidth.

The invention discloses an intelligent driving system with a driver model. The intelligent driving system comprises a driver model module, wherein the driver model module adjusts the performance of a vehicle according to driving characteristics of a driver and road environment information. By means of the intelligent driving system, the visual and touch information of the driver can be considered in the vehicle driving process, accordingly the performance of the vehicle is adjusted, and the purpose of controlling the vehicle to adapt to the people is achieved.

The invention discloses an overrunning virtual synchronous generator (VSG+) method with rotary inertia and damping self-optimization-trending. The method comprises the following steps: step one, a mechanical equation and an electromagnetic equation of a virtual synchronous generator (VSG) are established; step two, the rotary inertia J and damping D in a VSG model are increased as |delta f| is increased, wherein delta f is an absolute value of a difference between a power network rated frequency and the actual frequency of the VSG; and step three, according to self-adjustment of the rotary inertia J and the damping D, closed-loop control is performed on the |delta f|, and finally, grid connection of a distributed photovoltaic power generation system is realized. According to the VSG+ method with the rotary inertia and damping self-optimization-trending, provided by the invention, the rotary inertia J and the damping D in the VSG are adaptively adjusted as the |delta f| changes, the rotary inertia J and the damping D after adjustment then perform feedback regulation on the |delta f|, and finally, zero impact during grid connection of photovoltaic inverters is realized, such that the acceptance capability of a power network for the distributed photovoltaic power generation system is improved.

The invention relates to a multifunctional service robot. The service robot comprises an outer shell, a bottom-layer master controller, a motor and walking wheels, wherein the motor drives the walking wheels to rotate to enable the robot to move; the bottom-layer master controller comprises a controller, a motor driving unit and a power supply unit, a Linux system is arranged inside the controller, the controller is connected with a communication port, the motor driving unit controls rotating of the motor, and the power supply unit can provide working voltage for the controller and the motor driving unit; the robot is provided with a tablet computer, and various function operations allowing a user to choose are displayed on the front end interface of the tablet computer. The user can control the robot by choosing the function operations displayed on a touch screen of the tablet computer, the function operations displayed on the front end interface comprise a control function operation for controlling the robot, a music function operation, a teaching function operation, a product introduction and a service system monitoring function operation capable of providing information related to the robot, and the function operations are very easy and convenient to achieve and more humanized in design.

The invention discloses a kernel level desktop access control method which belongs to the field of information management. The kernel level desktop access control method comprises the following modules of: 1, an application management and control drive in a kernel layer, wherein the application management and control drive is realized on the basis of a Windows filter manager and is in charge of implementing the forced access control on access to a desktop application; and 2, a strategy application service consisting of a drive communication sub module and an access strategy sub module and being positioned in an application layer, wherein the strategy application service obtains a desktop configuration strategy corresponding to a user through communication with a desk virtual service end, and controls the application management and control drive according to the strategy definition to ensure that the application management and control drive takes effect. Under an environment of a desktop delivery framework, the invention provides a method for managing and controlling user behaviors on the basis of an application management and control module of the kernel layer of an operating system, and the method prevents the user from illegally operating an application program being installed in a server but being not delivered to a desktop. The kernel level desktop access control method is realized on the basis of the filter manager of the kernel layer of the operating system, ensures enforceability of access control on the bottom layer of a system, and realizes safety and high efficiency and wide applicability.

The invention relates to a vehicle electrical-apparatus sound control method based on a command-word table, which belongs to the technical field of vehicle electronic control. The method comprises the steps of generating a sound word table and a noise word table, making use of a sound identifying engine to record the sound of the driver, combining the sound word table with the noise word table, then loading the combined word table to the sound identifying engine and selecting the word with the pronunciation similar with the sound of the driver from the sound word table, identifying the speech intention of the driver according to the word output by the sound identifying engine, and the identified result is the determined electrical-apparatus control command, converting the electrical-apparatus control command into a CAN bus control signal and outputting the control signal to the CAN bus to control the electrical-apparatus. Due to the use of the control method of the invention, during the vehicle-running process, the controlling performance for the noise is stronger, the error operation is reduced considerably, and the identification precision is improved.

The invention discloses a roller with flexibly adjustable roller type curves. A plurality of groups of electric heating temperature control expansion rods are mounted inside a through hole of a roller body by means of stationary fit, and the electric heating temperature control expansion rods generate radial expansion deformation and form internal expansion driving force by directly using inductance heat (or resistance heat), so that the roller body is driven to radially deform. A heat-insulation distance ring is mounted between each two electric heating temperature control expansion rods, so that heat flow is directionally and radially conducted, and the expansion rods drive the roller body to radially deform. When different current is supplied to the groups of electric heating temperature control expansion rods respectively, a roller profile can be segmentally adjusted. Therefore, various continuously variable high-level roller type curves can be generated to flexibly adjust strip shapes. The roller has the effects of compensating roller wear and eliminating local high shape waves.

The invention relates to an operation method of a configuration interface of a microcontroller, comprising the follow steps: when a high level is input into a testing port, a serial clock and a serial data are input through an I/O port, the serial data is compared with an operation method code which is internally set, a corresponding operation method can be accessed through the comparison of the effect. The invention also comprises a function testing operation method, a DC parameter testing operation method, a digit/analog conversion testing operation method, a program storage testing operation method, a parallel programming mode operation method and a serial programming mode operation method. The configuration interface operation method of the invention can be scalable, and can access a plurality of testing operation methods and working methods, the access of a chip to different testing or working operation methods becomes more easy.

The invention discloses a wastewater treatment process adaptive generalized predictive control method. The method includes the following steps that: the design of an adaptive generalized predictive controller is realized through utilizing an idea of feedback linearization; and when the Lyapunov stability of the adaptive generalized predictive controller is proved, adaptive rules for correcting system controlled autoregressive integrated moving average (CARIMA) model parameters can be obtained, and the model parameters can be dynamically adjusted, so that a system tracking error can be minimum, and therefore, the steady-state control of dissolved oxygen concentration can be realized. With the wastewater treatment process adaptive generalized predictive control method of the invention adopted, the problem of incapability of ordinary generalized predictive control to realize stable control in response to large interference can be solved. As indicated by experimental results, the control algorithm can stably and fast control the dissolved oxygen concentration, has strong anti-interference ability, and is conducive to the stable and efficient operation of a wastewater treatment process.

The invention discloses a method and a device for identifying action types, and a method and a device for broadcasting programs. The method for identifying the action types is used for judging the action types for acquired skeleton data frames in the horizontal direction, the vertical direction and the depth-of-field direction, and mainly includes firstly, judging the direction of a current skeleton data frame according to position relations among set skeleton nodes in adjacent skeleton data frames; and secondly, judging the action types of the set skeleton nodes by the aid of coordinate values of set skeleton nodes in the current skeleton data frame and coordinate values of set skeleton nodes in marked skeleton data frames when the difference between a frame number of the current skeleton data frame and a frame number of each marked skeleton data frame is within a set range. The method and the device for identifying the action types and the method and the device for broadcasting the programs have the advantage that the action types of the set skeleton nodes can be identified, the method for identifying the action types can further be applied to various scenes, and the purpose of controlling the application scenes by the aid of actions of characters is achieved.

The invention relates to an ethernet network packet fast-forwarding realization method based on a microwave facility network management system; the method is realized based on the microwave facility network management system; the system comprises a management station and a plurality of microwave stations, the microwave station is composed of a microwave facility or a plurality of microwave facilities, the management station is connected with one microwave facility in one microwave station by a network line, a plurality of microwave facilities in one microwave station are connected by the network line, the adjacent microwave stations are connected mutually by a microwave link, self-definition is carried out to data format on the basis of simple network management protocol SNMP. In the invention, fast forwarding from the ethernet network packet structure to 64kbit/s serial line is realized, fast, stable and reliable forwarding requirements of a data packet are met, and the invention is a fast-forwarding realization method of the ethernet network packet in the serial link.

The invention discloses a system and method for controlling drill rod stick-slip vibration based on an active damping method. The method comprises the steps that (1) a motor main given rotating speed is given by a frequency changer through a PLC control system and is transmitted to a controlled object, and the motor actual rotating speed and the motor actual torque are obtained; (2) the motor actual rotating speed and the motor actual torque are transmitted to a control unit by the frequency changer; (3) meanwhile, combined structural information of a drill rod and a drill jig is transmitted to the control unit by a man-machine interaction device; (4) optimization operation is conducted on the motor actual rotating speed, the motor actual torque and the combined structural information of the drill rod and the drill jig by the control unit, an auxiliary given optimization rotating speed is obtained, and amplitude limiting is conducted on the auxiliary given optimization rotating speed by using the maximum rotating speed; (5) the auxiliary given optimization rotating speed is transmitted to the frequency changer by the control unit through a CAN bus, the auxiliary given optimization rotating speed is superposed with the motor main given rotating speed, and the rotating speed of a drive motor is controlled with the superposed rotating speed. According to the method, actual drill rod parameters can be accurately obtained, the actual rotating speed and the actual toque of the motor can be displayed in real time, and thus the purpose of controlling the stick-slip vibration of the drill rod is achieved.

The invention discloses a method and a device for distributing dynamic content, relates to the field of communication, and aims to solve the problem that a user possibly subscribes dynamic content incapable of being received or displayed by a terminal because the prior art provides the dynamic content for a user terminal without choice. The invention adopts the technical proposal that the method for distributing the dynamic content comprises the following step: filtering the dynamic content according to preset filtering information, wherein the filtering information comprises related information of the dynamic content and/or filtering data information, and the filtering data information comprises capability information of the terminal and/or filtering strategy. The method and the device provided by the embodiment of the invention can be applied to a DCD system.

The invention discloses a sliding type performance-adjustable shape memory alloy damper belonging to fields of structure damping control, disaster prevention and reduction and protection. In order to solve the problem of incapability of regulating rigidity and energy consumption capacity of the traditional shape memory alloy damper, the sliding type performance-adjustable shape memory alloy damper comprises shape memory alloy wires arranged on at least one clamp I and at least one clamp II, a runner plate provided with a groove, and a sliding block arranged in the groove; and the runner plateand the sliding block are provided with a plurality of screw holes, the lower end of the clamp I is fixed on the sliding block, and the lower end of the clamp II is fixed on the runner plate. The sliding type performance-adjustable shape memory alloy damper can be mainly used for reset and energy consumption vibration attenuation (shock) after structure deformation, can also be used as a structure member for generating a nonlinear restoring force and can be used in simulation and test research of a structure nonlinear power behavior, and has the advantages of stable performance, simple structure and easiness in disassembly.

The invention discloses a stratospheric airship fixed-height flight nonlinear PID control method, which comprises the steps of: calculating a height error and an error integral through measuring the height and a vertical speed of an airship, and forming a height error PID control signal; adopting a Sigmoid function and a softening function for modulation and superposition to form a final expected pitch angle instruction signal; simulating features of a pitching channel of the airship approximately according to a mathematical model established based on a differential equation of the pitching channel of the airship; and forming a pitch angle rudder deviation control amount according to the acquired expected pitch angle instruction signal by means of a pitch angle tracking controller, observing a data curve of height variation of the airship through adjusting control parameters constantly, analyzing dynamic response to the fixed-height flight, and finally determining a group of control scheme parameters of airship fixed-height flight, so that the airship fixed-height flight has satisfactory dynamic response and steady-state response performance. The stratospheric airship fixed-height flight nonlinear PID control method has anti-saturation features not found in PID control, and reserves advantages of the PID control.

The invention relates to the technical field of asshion manufacturing, in particular to moxa repeated sieving and pestling device for asshion manufacturing. The device aims at solving the technical problems that manual moxa manufacturing wastes time and labor and meanwhile the yield is low. In order to solve the technical problem, the moxa repeated sieving and pestling device for asshion manufacturing comprises a base, the top of the base is fixedly connected with a machine body and a position limiting device from left to right correspondingly, a moxa sieving and pestling mechanism is arrangedinside the machine body, the middles of the two sides of the machine body are provided with magnetic repulsion mechanisms, and a cross beam is fixedly connected between the tops of the two magnetic repulsion mechanisms. Dry moxa leaves are repeatedly beaten, the moxa sieving and pestling mechanism swings left and right to constantly sieve away internal purities, time and labor are saved, workingefficiency is improved, dust can be caught conveniently, the dust removal purification effect is improved, and the working environment of moxa manufacturing is improved.

The invention discloses a method and a device for connecting ADB devices. The method includes the following steps: acquiring an input connection command for connecting the ADB devices; acquiring port identifiers of the ADB devices in the connection command; connecting the ADB devices on the ports corresponding to the port identifiers. The port identifiers can distinguish the ADB devices on the ports. Due to the fact that the port identifiers of the ADB devices are different, different ADB devices with different serial numbers can be connected and debugged, and the problem in the prior art that the ADB devices with identical serial number cannot be debugged is solved.

The invention provides a method for controlling media content in a virtual space, and a terminal and equipment. The method comprises the followings: the terminal creates an operation suspending request, wherein the operation suspending request comprises terminal identification, VR identification, operation suspending start time and operation suspending information; the terminal sends the operation suspending request to a VR management unit, and enables the terminal corresponding to the terminal identification to execute a suspending operation corresponding to the operation suspending information; after the suspending operation is finished, the terminal receives program information corresponding to a suspending operation period and sent out by a CDN (Content Delivery Network) under the triggering of the VR management unit; the program information corresponding to the suspending operation period is requested to obtain by the VR management unit according to the operation suspending request; the terminal identification comprises terminal identification for currently creating the operation suspending request, or further comprises one or more other terminal identifications inside the current VR. The method solves the problem that the main control right in the VR in the prior art is restricted at one terminal.