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41results about How to "Improve debugging work efficiency" patented technology

High-coverage automatic radio frequency index test device

The invention discloses a high-coverage automatic radio frequency index test device. By using the device provided by the invention, quick tests with high coverage can be performed on multi-channel radio frequency indexes of various types of equipment under test. The device provided by the invention is implemented via the technical scheme as follows: an input radio frequency interconnection matrixmodule receives multiple signal sources, a noise source and an output signal of a vector network, and provides source signals such as a microwave vector signal source, the noise source and the vectornetwork output signal to the equipment under test; the equipment under test receives a low-phase noise local oscillator signal and a reference clock signal from a multi-channel local oscillator sourcemodule; the equipment under test completes automatic switching of multiple channels via an output radio frequency interconnection matrix module, and transmits a test signal to an universal measurement instrument; an industrial control computer calls control parameters of the universal measurement instrument and the equipment under test to complete automatic test of the multiple indexes, reads a test result of the universal measurement instrument and automatically generates a test report in a standard format; the artificial configuration test and automatic test on the main indexes of the equipment under test are achieved by using a visual manual control interface.
Owner:10TH RES INST OF CETC

Double-cylinder hydraulic gate oil cylinder stroke error compensation method based on artificial neural network

ActiveCN106759137AIncrease water seal extrusionReflect the actual operating statusBarrages/weirsAdaptive controlControl systemNoise level
The invention discloses a double-cylinder hydraulic gate oil cylinder stroke error compensation method based on an artificial neural network. The method includes the following steps that (1) key data of a gate state are defined and include a left-right oil cylinder stroke deviation value delta Hc, a gate left-right opening degree deviation value delta H, a gate water seal extrusion degree D, a gate noise level DB and a gate vibration level V; (2) the key data are collected, and an error grading standard is set; (3) the optimal error range is determined; (4) the mapping relation between the key data and an oil cylinder stroke compensation value h is established; (5) an initial BP artificial neural network model is established, and the oil cylinder stroke compensation value h is obtained; (6) the oil cylinder stroke compensation value h is output to a gate electrical synchronous deviation rectification control system; and (7) artificial neural network training is carried out, and the optimal gate running track is obtained. According to the double-cylinder hydraulic gate oil cylinder stroke error compensation method based on the artificial neural network, the practical running state of a gate is reflected comprehensively and accurately, the problem that the gate state reflected by an oil cylinder stroke detection value is inconsistent with the practical gate state is solved, and the running synchronization precision of the gate is remarkably improved.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES

Simulator free from interference of resetting in monitor mode

The invention discloses a simulator free from the interference of resetting in a monitor mode. The simulator comprises a simulation chip, a monitoring module, a user program memory, a monitor program memory, an external resetting signal source and an integrated development environment module on a user computer, wherein the simulation chip comprises a processor core, a resetting control module and an internal resetting signal source; when the resetting control module outputs an effective resetting signal to the processor core, the processor core is in a reset state; when the resetting control module outputs an ineffective resetting signal, the processor core works normally; and in the monitor state, the monitoring module outputs an effective control signal to the resetting control module, and the resetting control module outputs an ineffective resetting signal to the processor core no matter whether the resetting control module receives the effective or ineffective external resetting signal or the effective or ineffective internal resetting signal. According to the simulator, not only can the working states of a processor chip of a product during various kinds of resetting be truly simulated in an operation mode, but also the abnormal influence of various kinds of resetting on the work of the simulator can be shielded in the monitor mode.
Owner:SHANGHAI HUAHONG INTEGRATED CIRCUIT

SHPB device and method for achieving ultra-high controllable strain rate impact

The invention discloses an SHPB device and method for achieving ultra-high controllable strain rate impact. The device comprises structures of a guiding rail with a T-shape groove, a light gas gun loading mechanism, a light gas gun base, a bullet, a magnetic electricity type particle velocity measuring device, a testing member, an output rod, an output rod fixing device, a strain piece, an absorbing rod, an absorbing rod fixing device, a damping device, a damping device fixing device, a data processing system and the like; the device is characterized in that the impacting on the testing memberof an incidence rod is replaced with the direct impacting on the testing member by the bullet, the particle velocity of the testing member at the incidence end is measured by the magnetic electricitytype particle velocity measuring device, the average stress, strain rate and strain of the testing member are obtained according to unidimensional stress wave assumption and uniform distribution assumption of the stress/strain of a short testing member along the length of the short testing member, and the coaxiality of the device is ensured by the T-shaped groove and bolt connection cooperative action. By means of the device and the method, controllable and ultra-high strain rate (107s<-1> scale) loading can be achieved within a larger range (104-107s<-1> scale), the debugging efficiency canbe improved, the structure is simple, and the dynamic mechanical performance of a material under the ultra-high strain rate is obtained conveniently and rapidly.
Owner:UNIV OF JINAN

Push type electromagnetic relay automatic debugging machine

ActiveCN105938781BDebug accuratelyOmit positioning fixtureElectric switchesRelaysState of artEngineering
The invention provides an automatic debug machine of a push electromagnetic relay. The automatic debug machine comprises a fixed bottom plate, a debug panel, an action plate, a push block and draw bars, wherein a positioning and placing groove is arranged in the center of the debug panel; first movable slots are arranged in two sides of the positioning and placing groove; the action plate is arranged between the fixed bottom plate and the debug panel and is connected with first elastic assemblies for driving the action plate to move downwards; the push block is arranged at the lower part of the action plate; a trumpet-shaped open slot is arranged at the upper end of the push block and the lower end of the push block is connected with a power source; the draw bars are hinged with the action plate; one end of each draw bar is arranged in the open slot of the push block and is attached to the side wall of the open slot and the other end passes through the corresponding first movable slot and is provided with a test cap sleeve; and one end, arranged in the open slot, of each of the two draw bars is provided with a second elastic assembly for acting towards two sides. The automatic debug machine has the advantage that debugging of the relay can be quickly and accurately achieved only by up and down movement of a drive air cylinder. Compared with the prior art, two working steps of clamping and loosening a positioning clamp are omitted; the working procedures are reduced; and the debugging work efficiency is improved.
Owner:YUEQING MEISHUO ELECTRIC

Press machine air pad ascending and descending control device and method based on power failure protection

The invention relates to a press machine air pad ascending and descending control device based on power failure protection, and belongs to the technical field of a plate material forming press machine. The press machine air pad ascending and descending control device comprises an air pad jacking cylinder, an air storage tank and a control air source, wherein a high-pressure air inlet air path and a low-pressure air inlet air path are connected between an air outlet of the air storage tank and a lower cavity of the air pad jacking cylinder; a high-pressure air inlet valve is arranged on the high-pressure air inlet air path; a low-pressure air inlet valve is arranged on the low-pressure air inlet air path; the control air source is respectively connected with the high-pressure air inlet valve and the low-pressure air inlet valve through a high-pressure air inlet control valve and a low-pressure air inlet control valve, and the low-pressure air inlet control valve is a two-position five-way double-electric-control self-maintaining electromagnetic valve. The invention also discloses a press machine air pad ascending and descending control method based on power failure protection. The device and the method have the advantages that an air pad is enabled to be always in an ascending jacking state in the mold debugging process, and the misoperation possibility of the air pad is reduced to minimum, and the potential safety hazards in the mold debugging process can be eliminated, and the safety of the mold debugging personnel is ensured.
Owner:DONGFENG MOTOR CORP HUBEI

Simulation design method based on industrial robot sorting workstation

The invention relates to a simulation design method based on an industrial robot sorting workstation. The simulation design method comprises the following steps of: S1, establishing a conveying mechanism model, an industrial robot model and an object storage device model by adopting three-dimensional software, and importing a model file into RobotStudio software; S2, determining control parametersbased on the industrial robot model, and determining an industrial robot simulation model according to the control parameters; S3, enabling objects to appear on the conveying mechanism according to arandom distribution function rule, and distributing different features to different types of objects; and S4, designing parameters of a Smart component according to the operation logic of the industrial robot, and performing simulation control on the industrial robot simulation model, wherein the industrial robot recognizes the objects through a feature recognition mechanism and places differentobjects into corresponding storage areas in the object storage device according to the features of the objects. The simulation design method provides a theoretical basis and a test platform for the design of the industrial robot sorting workstation for designers and managers.
Owner:GUANGZHOU PANYU POLYTECHNIC

Simulation design method based on industrial robot loading-unloading workstation

The invention relates to a simulation design method based on an industrial robot loading-unloading workstation. The simulation design method comprises the following steps: S1, establishing a machine tool and industrial robot model by adopting three-dimensional software, and importing a model file into RobotStudio software; S2, determining control parameters based on the industrial robot model, anddetermining the industrial robot simulation model according to the control parameters; S3, designing parameters of Smart module according to industrial robot running logic, and performing simulationcontrol on the industrial robot simulation model. The simulation design of the industrial robot loading-unloading workstation is realized, the feasible evidence is provided for the design of the industrial robot loading-unloading workstation, the reliability of the design scheme can be improved by utilizing robot simulation technology, the project implementation cycle can be shortened, the field debugging time is reduced, and the debugging working efficiency of the industrial robot is improved. And meanwhile, the theoretic evidence of the workstation design is provided for a designer and a manager, the design and debugging cost of a production line are reduced.
Owner:GUANGZHOU PANYU POLYTECHNIC

A press air cushion lifting control device and method based on power failure protection

The invention relates to a press machine air pad ascending and descending control device based on power failure protection, and belongs to the technical field of a plate material forming press machine. The press machine air pad ascending and descending control device comprises an air pad jacking cylinder, an air storage tank and a control air source, wherein a high-pressure air inlet air path and a low-pressure air inlet air path are connected between an air outlet of the air storage tank and a lower cavity of the air pad jacking cylinder; a high-pressure air inlet valve is arranged on the high-pressure air inlet air path; a low-pressure air inlet valve is arranged on the low-pressure air inlet air path; the control air source is respectively connected with the high-pressure air inlet valve and the low-pressure air inlet valve through a high-pressure air inlet control valve and a low-pressure air inlet control valve, and the low-pressure air inlet control valve is a two-position five-way double-electric-control self-maintaining electromagnetic valve. The invention also discloses a press machine air pad ascending and descending control method based on power failure protection. The device and the method have the advantages that an air pad is enabled to be always in an ascending jacking state in the mold debugging process, and the misoperation possibility of the air pad is reduced to minimum, and the potential safety hazards in the mold debugging process can be eliminated, and the safety of the mold debugging personnel is ensured.
Owner:DONGFENG MOTOR CORP HUBEI

A control system that realizes one-screen multi-machine control on a touch screen by shorting ports

The invention relates to one-screen multi-machine control over a touch screen, in particular to a control system for conducting one-screen multi-machine control over the touch screen by changing the short-circuit mode of an upper circuit port. The control system comprises the touch screen and a master control circuit. The master control circuit comprises a master control CPU. The touch screen is connected with the master control CPU through an RS-485 serial port. The control system is characterized in that a master control circuit IO interface comprises a plurality of short circuit terminals and a jumper cap, the short circuit terminals are connected to the master control CPU, and when the jumper cap is in short-circuit connection with different short circuit terminals, the master control CPU detects the level of each short circuit terminal; the master control CPU configures salve station addresses corresponding to equipment according to the detected level of the IO interface to control the different kinds of equipment. According to the control system, dial switches are arranged on the circuit, so that the current state is defined, the current state is recognized, the corresponding received and transmitted data are determined, and therefore the one-screen multi-machine control mode is achieved.
Owner:BEIJING IN POWER ELECTRIC +1

Stroke error compensation method for double cylinder hydraulic gate cylinder based on artificial neural network

ActiveCN106759137BIncrease water seal extrusionReflect the actual operating statusBarrages/weirsAdaptive controlControl systemNoise level
The invention discloses an artificial neural network-based method for compensating the cylinder stroke error of a double-cylinder hydraulic gate, including the steps of: 1) defining the key data of the gate state: left and right cylinder stroke deviation value ΔHc, gate left and right opening deviation value ΔH, gate water seal squeeze Pressure D, gate noise level DB, gate vibration level V; 2) Collect key data and set error classification standards; 3) Determine the best error range; 4) Establish a mapping relationship between key data and cylinder stroke compensation value h; 5 ) Establish the initial BP artificial neural network model to obtain the cylinder stroke compensation value h; 6) Output the cylinder stroke compensation value h to the electric synchronous correction control system of the gate; 7) Perform artificial neural network training to obtain the optimal trajectory of the gate operation. The invention comprehensively and accurately reflects the actual operating state of the gate, solves the problem that the gate state reflected by the stroke detection value of the oil cylinder is inconsistent with the actual gate state, and significantly improves the synchronization accuracy of the gate operation.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES

Kalman filtering-based double-cylinder hydraulic gate oil cylinder stroke error compensation method

The invention provides a Kalman filtering-based double-cylinder hydraulic gate oil cylinder stroke error compensation method. The method is applied to a gate debugging operation process, and comprises the steps of detecting the observation data of the gate operation states, such as the left and right oil cylinder stroke deviation values, a gate water seal extrusion value, a gate noise value, a gate vibration value, etc., during the gate opening and closing operation process through an instrument; inputting the observation data into a Kalman filtering equation; taking the updated predicted value as an oil cylinder stroke correction value and as an actual oil cylinder stroke value, enabling a gate electrical control system to adjust and set the voltage value of the proportional regulating valve according to the predicted oil cylinder stroke value, so that the operating rate of the left oil cylinder and the right oil cylinder is changed, the stroke difference of the left oil cylinder and the right oil cylinder is changed accordingly, and further the state of the gate in a gate groove is adjusted, the gate operates in an optimal track, and the gate is efficient, stable and reliable.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES

A light beam directivity debugging system and method

The invention provides a light beam directivity debugging system, which includes a reference platform, a square tube front mirror, an adjusted lens group, a standard cursor group, a conductive optical fiber, a red light source, and a light source control box; The lens group and the standard cursor group are sequentially arranged on the reference platform along the optical path; the red light source and the light source control box form a controllable light source and are transmitted to the indicating end face of the standard cursor group through the conduction fiber; the conduction fiber, the red light source and the light source control box are set On the reference platform; the collimation axis of the square tube front mirror and the standard cursor group are constructed as a reference axis, and the light-emitting end face of the standard cursor group is used as an indicator cursor to guide the adjusted lens group to indicate the light-emitting point of the lens for debugging. The light beam directivity debugging system of the present invention uses the collimation axis of the front mirror of the square tube and the standard cursor group to establish a reference axis, and uses the light-emitting end face of the standard cursor group as an indicator cursor to indicate the light output direction of the lens through the imaging position of the adjusted lens. , so that precise debugging can be performed.
Owner:BEIJING GK LASER TECH

Method for cooling inner wall of waste heat boiler during adjustment of blowpipe of fuel-steam unit

The invention relates to a method for cooling the inner wall of a waste heat boiler during adjustment of a blowpipe of a fuel-steam unit. The method comprises the steps that (1) a gas turbine turningmotor is started, and a gas turbine is made to turn at a low speed, specifically, the rotation speed is 8 rpm, and duration is 30 min; (2) an LCI system is started, the turning motor disengages and exits, and the gas turbine is turned at a high speed; (3) a smoke baffle at an outlet flue of the waste heat boiler is opened; and (4) wind power generated by an impeller of a gas turbine is blown towards the inner pipe wall of the waste heat boiler for cooling, the LCI system exits when the temperature of the inner wall of the waste heat boiler is decreased to be about 60-70 DEG C, the idling rotation speed of the gas turbine is gradually decreased to 0 rpm, and the smoke baffle is closed. With adoption of the method, the gas turbine turning at a high speed is used as an electric fan, the generated strong airflow is blown towards the inner pipe wall of the waste heat boiler for cooling, and the phenomenon of high temperature of the inner pipe wall of the waste heat boiler caused by variousreasons can be quickly and effectively solved.
Owner:ELECTRIC POWER SCI & RES INST OF STATE GRID TIANJIN ELECTRIC POWER CO +2
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