198results about How to "Realize online adjustment" patented technology

The invention discloses a processing method for biomass solid molding fuel, which pertains to the technical field of solid fuel and aims at solving problem of comprehensive use of energy and biomass energy in rural areas. The technical proposal is as follows: biomass energy such as crop straws, shrub forest, forestry residues and the like are used as raw materials, and the secondary crushing technique and the mixed technique combining continuous feeding with adjustable feeding are adopted, therefore, two types of solid fuels, namely, block-type and granular fuels, can be produced. The technical proposal comprises three stages namely, pre-treatment of raw materials, solid molding and auxiliary assorting, and the specific working procedures comprise raw material cracking, drying, conveying, mixing, feeding, molding, cutting, cooling and measuring and packaging and adding a compulsory ventilating dust-removing system during the whole process. The processing method for biomass solid molding fuel solves the problem of diversification of biomass raw materials, and the biomass solid fuel production line constructed by adopting the processing method realizes the industrial continuous and stable production, solves the problems of high energy consumption and low production efficiency in the existing small workshop-style production, and is also beneficial to solving the rural energy problem and improving the rural environment.

The invention relates to a non-linear compensating controller in essence of a servo system, belonging to the field of industrial control. The compensating controller of the invention comprises a variable structure neural network feedback compensation part, forward adaptive compensation part and a robust compensation part; therefore, the controller can simultaneously compensate friction non-linearity and driver dead area non-linearity existing in the compensating system. The variable structure neural network compensates for the friction non-linearity in the system while the adaptive robust control carries out compensation control on the dead area non-linearity and external perturbation in a system driver; the variable structure neural network technology reduces network size and calculation amount and strengthens practicality of the controller; the adaptive robust control ensures static precision, transient performance and robustness of the system; applied to location tracking control of the electric motor, as indicated by actual operation results, the compensating controller of the invention can endow the system with excellent static tracking precision and robustness.

The invention discloses a planning method of an intelligent vehicle autonomous running dynamic trajectory and belongs to the technical field of intelligent transportation. The planning method of the intelligent vehicle autonomous running dynamic trajectory comprises (1) a step of generating a trajectory of an intelligent vehicle through searching for an optimum solution of a mathematical model by means of an optimum control method, (2) a step of extracting features of the trajectory generated in the first step, and (3) a step of judging whether the features meet presupposed constraint conditions or not; if the features meet the presupposed constraint conditions, regarding the trajectory as a final output trajectory; if the features do not meet the presupposed constraint conditions, adjusting weight W<1>, W<2>, and W<3> according to presupposed weight adjustment rules and then returning to the first step. The invention further discloses a planning system of the intelligent vehicle autonomous running dynamic trajectory. The planning system of the intelligent vehicle autonomous running dynamic trajectory comprises a trajectory generation module, a feature extraction module, an estimation module, and a weight adjustment module. Compared with the prior art, the planning method of the intelligent vehicle autonomous running dynamic trajectory and the system of the same have a stronger learning ability and a better adaptability to the unknown environment.

The invention discloses a hardware-in-the-loop test bench based on an electromechanical braking system, which is divided into a software part, a real-time platform, a signal processing part and a hardware part, wherein the real-time platform consists of a host and target machines 1 and 2; the host and the target machines 1 and 2 are connected by a wireless network; the signal processing part consists of first and second data acquisition cards with the model of PCL-818HD, third and fourth data acquisition cards with the model of PCL-727, a fifth data acquisition card with the model of PCI-6601 and a V/F conversion module; the first and second data acquisition cards with the model of PCL-818HD and the third and fourth data acquisition cards with the model of PCL-727 are connected with the target machines 1 and 2 by an ISA bus; the fifth data acquisition card with the model of PCI-6601 is connected with the target machine 2 by a PCI bus; and the hardware part comprises an EMB actuator controller, an EMB actuator, a force sensor, a revolution transmitter and a current sensor.

A digital device for accurately controlling frame servo system of torque gyro is featured as obtaining current, rotary speed and position signal of frame servo motor by DSP system through interface circuit; carrying out operation as per certain control algorithm to generate out control amount to be PWM-modulated; transmitting modulated PWM signal to single-phase contra variant bridge circuit by driving circuit for generating control current required by frame servo motor so as to realize accurate control of frame servo system.

The invention discloses a real-time quantity variable fertilizer distributor based on crop growth information and relates to the technical field of agricultural machinery. The real-time quantity variable fertilizer distributor comprises a crop growth information acquisition system, a walking system, a quantity variable fertilizer distribution system and a control communication system. The crop growth information acquisition system is arranged at the front end of the walking system through a bracket; canopy face-shaped information of crops is obtained in real time by a spectrum sensor; the information is transmitted to a vehicle-mounted control terminal arranged in the walking system through data exchanger ; a traveling speed and GPS (Global Positioning System) data information of the fertilizer distributor are monitored in real time by combining a speed sensor; a quantity variable fertilizer application decision-making system is operated through the control communication system and information is fed back to an intelligent quantity variable controller; the quantity variable fertilizer distribution system is executed and rotary speeds of a hydraulic motor and a stepping motor are regulated, and opening position and size of a fertilizer quantity regulation mechanism are controlled, so that online regulation of a fertilizer application amount is realized. According to the real-time quantity variable fertilizer distributor, a fertilizer distribution circular disc is of a shape with a warped concave spherical surface and the section of a fertilizer distribution blade is of a curve shape, so that the uniformity of fertilizer distribution is facilitated.

The invention discloses a flight control distributed type real-time simulation system, relates to the field of flight control simulation, and solves the problems that a model cannot be installed with a large quantity of I/O (Input/Output) physical systems and real-time simulation cannot be realized in the prior art. The flight control distributed type real-time simulation system comprises one or two development host units and multiple target machines, wherein the development main units are system dynamics, navigation and control model development and simulation state monitoring platforms; the target machines are real-time simulation processors; each target machine can be regarded as a node in a real-time network and operates a QNX real-time operating system; the main units are connected with the target machines through a TCP/IP network; the target machines are connected with one another through an IEEE-1394 bus. By the adoption of multi-kernel and multi-model distributed type simulation, parallel simulation of multiple models is realized, and the simulation efficiency is obviously improved; synchronous real-time simulation of the simulation time and the actual physical time is realized; all the models are independent from one another but also cooperated with one another, so that the flexibility of module configuration is improved.

The invention discloses a coating die head for single or multiple lithium battery pole pieces. The coating die head comprises an upper die head and a lower die head. A feed inlet is formed in the upper die head or the lower die head, and a trough for accommodating coating slurry is formed in the lower die head, the feed inlet communicates to the trough, and the front sides of the upper die head and the lower die head are matched to form a die nozzle. The upper die head and the lower die head define a die cavity for accommodating the coating slurry, and the front side of the die cavity is isolated by the upper die head and the lower die head to form a silt of the die nozzle; the trough stretches along the length direction of the lower die head, a plurality of adjusting slide blocks are distributed vertical to the coating direction between the upper die head and the lower die head, the adjusting slide blocks slide along the surface of the lower die head, and the adjusting slide blocks are matched on the side of the die nozzle to form a discharge port with variable width for coating slurry. The dimension of the die cavity is adjusted by controlling the slide blocks, so that the coating width of the coating die is adjusted online. The die cavity is not opened in the adjusting process, so that the production efficiency is improved and consistent production of products is facilitated.

The invention discloses a martensite steel 3D free-bending forming device and method and belongs to the technical field of advanced manufacturing and plastic forming. Firstly, based on relative parameters of the forming performance of a pipe material, a corresponding correction factor of the material is obtained through repeated iterative calculation, and an initial model is corrected; after the using situations of parts are tested and calibrated, a three-stage type induction heating device and sensors are matched to achieve precise temperature-control heating; the three-dimensional space of abending mould rotates to extrude the front end of the pipe material to enable the front end of the pipe material to be in a bent shape with the complicated space; and the quenching process is conducted through an annular water-cooling spraying head and accordingly is rapid and uniform. The martensite steel 3D free-bending forming technical problem is solved, and high-temperature free-bending forming under the three-dimensional space is achieved; by means of a rapid quenching system, the strength of 1400 MPa or above is obtained, formation coordinated control of an ultrahigh-strength steel 3Dfree-bending member is achieved; and thus the martensite steel 3D free-bending forming device and method have important engineering application value in the fields of aerospace, rail transportation, automobiles and nuclear power.

The present invention relates to an excitation method and device of a vibrating wire instrument. The method generates a SPWM wave, and then filters the generated SPWM wave through a filter circuit to obtain a sinusoidal waveform signal, and then applies the sinusoidal waveform signal to the vibrating wire instrument. The two ends of the frequency measuring coil in the instrument generate alternating electromagnetic force under the action of the permanent magnet, which drives the steel string to generate resonance. The SPWM waveform excitation signal whose pulse width changes according to the sinusoidal waveform rule generated by the method improves the precise control ability of the excitation signal and solves various limitations caused by the traditional excitation method using a pulse square wave.

The invention provides a single-board power supply voltage online adjusting circuit. A first voltage division circuit is connected to a first bias resistor in parallel, a second voltage division circuit is connected to a second bias resistor in parallel, an initial output voltage of a single-board power supply is acquired through a detection chip, and finally a control chip controls the on-off state of a first switch on the first voltage division circuit and the on-off state of a second switch on the second voltage division circuit according to the initial output voltage and a preset voltage,so that the feedback value of a feedback pin of the single-board power supply changes, then the output voltage of the single-board power supply changes, and the output voltage of the single-board power supply is adjusted. In the adjusting process, the bias resistors do not need to be manually welded, and the on-off states of the first and second switches are automatically controlled through the control chip, so that the output voltage of the single-board power supply is changed changes and the complexity of adjustment of the output voltage of the single-board power supply is reduced.

The invention belongs to the technical field of nuke industry measurement, and particularly relates to a spent fuel water tank liquid level and temperature measuring device. The device comprises a measuring barrel with an opening in the bottom, wherein a RTD continuous liquid level sensor, a differential thermocouple discrete liquid level sensor and a thermocouple temperature sensor, which are isolated with one another, are installed in the measuring barrel along the height direction; the liquid level measuring range of the RTD continuous liquid level sensor is from the top of a fuel grillage to the full water level of a water tank, and the thermocouple discrete liquid level sensor is arranged on a set standard height level of the water tank; the RTD continuous liquid level sensor, the differential thermocouple discrete liquid level sensor and the thermocouple temperature sensor are connected with respective transmitting processing units through respective cables. The continuous liquid level, the discrete point liquid level and the temperature in the water tank are measured by adopting the three sensor elements based on different measuring principles and independent from one another, and the problem for simultaneously monitoring the continuous liquid level, the discrete point liquid level and the temperature in the water tank, caused by the failure of a common mode, can be avoided.

The invention relates to a sputtering coating device which comprises a vacuum chamber, an anode target, a cathode target, a coating product and a gas supply system, wherein the anode target and the cathode target are arranged in the vacuum chamber, the gas supply system comprises gas inlets and gas supply channels for communicating an external gas source and the gas inlets, wherein the gas inlets are arranged into a plurality of sections on the length direction along the cathode target, and a gas-flow controller used for independently controlling the sorts and the flow rates of process gases of each gas inlet is arranged on the gas supply channel communicated with each gas inlet. As the gas inlets in the gas supply system are arranged into a plurality of sections which are distributed on the length direction along the cathode target, and the gas-flow controller is arranged on the gas supply channel corresponding to each gas inlet, the sorts and the flow rates of gases in all gas supply channels can be controlled, thereby further locally and dynamically adjusting the process gases near the cathode target in the vacuum chamber. During the production process of a coating, the on-line adjustment of the evenness of the thickness of the coating can be achieved by adjusting the distribution states of the process gases by adjusting all gas-flow controllers in time.

The invention discloses a segmented magnetic control method of an AC magnetic control memory motor. The segmented magnetic control method comprises the following steps of adding a magnetic control pulse module to a control system so as to achieve on-line regulation of motor flux linkage; selecting n target magnetic states during the running process of the motor, determining intersection points ofa corresponding T-N curve and a motor rotational speed corresponding to each intersection point; and determining the lowest magnetic level during the magnetic control process of the motor according toa relation between Psi<pm>/Ld and i<smax>, and only performing traditional armature current weak magnetism, wherein a permanent-magnet field is not weakened by magnetic control pulse any longer. In order to achieve optimal magnetic control effect, the rotor position at magnetic control initial moment and magnetic control pulse phase are reasonably allocated. Compared with a traditional weak magnetism expansion method, the segmented magnetic control method has the advantages that the direct-axis current component during the running process of the motor can be greatly reduced, the stator copperconsumption of the motor at a high-speed running zone is reduced, frequent on-line magnetic control of the permanent magnet is prevented, and the running efficiency of the motor and the practicability of the control system are improved.

The invention discloses a conveying device. The conveying device comprises a first conveying mechanism and a second conveying mechanism. The first conveying mechanism circularly moves along a first working route, and the second conveying mechanism circularly moves along a second working route. The first working route and the second working route are at least partially overlapped; the first conveying mechanism is provided with first baffles which are distributed at equal intervals, the second conveying mechanism is provided with second baffles which are distributed at equal intervals, and the distance between the neighboring first baffles is equal to the distance between the neighboring second baffles; the first baffles and the second baffles are arranged at intervals at the overlapping position of the first working route and the second working route. The storing spaces on the conveying device are obtained through the baffles on the two synchronous belts which work independently, so that the widths of the storage spaces can be adjusted by adjusting the distances among the baffles, and the storage space width adjusting operation can be performed on-line when the conveying device is mounted on a product on a production line.

The invention discloses a microwave sterilizing device applied to a food process and production line. The microwave sterilizing device is characterized in that a plurality of microwave units are arranged on the production line along a material transfer direction in series, and the power and time of each microwave can be controlled independently. The microwave sterilizing device facilitates the adjustment of different requirements of different types and batches of products for the microwave sterilizing power and time, has large adjustable range and obvious energy-saving effect, and can meet different production requirements.

The invention relates to a remote control device and a control method for a pure electric crawler tractor belonging to the field of agricultural machinery. The remote control device comprises a remote controller, a controller, a left brake push rod, a right brake push rod, an accelerator push rod and a suspension push rod. The remote controller can send the control instruction to the controller and can receive the vehicle state parameter signal transmitted by the controller and display through a display screen; the controller and the vehicle CAN network are connected for receiving the complete vehicle state parameter signal transmitted by the vehicle controller and transferring to the remote controller as well as the control instruction transmitted from the remote controller to control the stretching and retracting of each push rod, therefore the tractor can be controlled to stop, advance, retreat, turn, and mount the farm tools. The remote control device adopts an electric push rod, which can keep the electric push rod to a fixed elongation length without the need of energy, by using the self-locking characteristic of the electric push rod. Compared with the prior patent and the product technology, the remote control device reduces the whole vehicle energy consumption significantly, while improving the control accuracy.

The invention belongs to the technical field of automatic control, and relates to a fuzzy control method for an exoskeleton system. The main idea of ​​the present invention is to solve the problem that traditional exoskeleton prototypes adopt PID position servo control. Although engineering can basically meet the control requirements, once the external environment or system parameters change, the mathematical model of the system will change. Changes ensue, which makes the system poorly controlled. The present invention designs the control law algorithm on the basis of the mathematical model of the hydraulic servo system. After the control model changes, the fuzzy adaptive control can track the expected curve better than the PID, and has the advantages of real-time performance, stability and robustness. There are clear advantages in terms of sex.