45results about How to "Reduce on-site commissioning time" patented technology

The invention relates to a deep integration and interconnection method for a rail traffic system. The method combines the characteristics of an automatic comprehensive monitoring system of an urban rail traffic system in China, and adopts a deep integration and interconnection mode suitable for subways and light rails to contribute to real-time centralized monitoring for electromechanical devices and coordinating linkage among various systems. The method is characterized in that a station level local network of the comprehensive monitoring system is established, and a plurality of control layer devices positioned in upper and lower computer structures directly access the station level local network of the comprehensive monitoring system; therefore, inter-station communication function and remote access, downloading and maintenance functions between the control layer devices can be realized through the station level local network of the comprehensive monitoring system, which cannot be realized in the prior top end information integration mode.

The invention relates to a closed loop speed compensation method for a thickness control system of an aluminum cold rolling mill. The method comprises the following steps: data is obtained according to a speed measuring unit for calculating the value of acceleration, then control logic judgment is carried out, the thickness deviation is taken as an input signal of a closed loop PID compensation controller, the compensation amount is calculated and then output to a position AGC controller, and the computing process of closed loop speed compensation for one time is further finished. The stability of the system can be obviously improved by converting the open-loop compensation into a closed-loop compensation control algorithm, and the method can be better automatically adapted for the change conditions of the rolling process; and furthermore, by adjusting the parameter of the closed loop PID compensation controller, the field debugging time of the speed compensation controller can be reduced, the production cost can be reduced, and the performance of dynamic process of the thickness control system can be enhanced, therefore, the method is worthy of wide application in the industry.

The invention relates to a nonlinear ultrasonic detection system and a detection method for a reflective metal creep performance. The nonlinear ultrasonic detection system for the metal creep propertytransmits and receives ultrasonic detection signals through an ultrasonic transducer, and extracts high-order harmonic signals and fundamental wave signals separately by separating the received detection signals, so as to obtain the nonlinear ultrasonic parameters for evaluating the metal creep property. Since the detection system uses only one ultrasonic transducer, the problem that two ultrasonic transducers are difficult to be located in a coaxial position due to the use of two ultrasonic transducers for the detection is avoided in practical applications. The nonlinear ultrasonic detectionmethod based on the detection system has high accuracy and good applicability in the field application of the metal creep.

The invention provides a simulation test system for an industrial refrigerating unit, and a testing method applied to the system. The system comprises a simulation system for the industrial refrigerating unit, and a main control system for the industrial refrigerating unit, wherein the main control system is connected with the simulation system. The simulation system comprises a PLC, a WinMoD simulation unit, and an SIMBApro simulation unit, wherein the WinMoD simulation unit and the SIMBApro simulation unit are connected with the PLC. The main control system comprises the PLC and a man-machine interface. The WinMoD simulation unit is used for simulating I/O channels of all devices in the industrial refrigerating unit, and the SIMBApro simulation unit is used for simulating the I/O channels and the function of terminal equipment through a bus DP/PA. The system provided by the invention can completely simulate the condition of on-site equipment and an on-site bus, can achieve the simulation tests of all devices, avoids variable errors or dot mark leakage during on-site debugging, saves a large amount of time for on-site debugging, achieves the real seamless joint of a PLC program with simulation software, and employs a PC to debug the PLC program. When the system is used for debugging the PLC program, the testing efficiency is high, and the on-site debugging time is saved. Moreover, the energy is saved, and the stability of a program is good.

The invention relates to the technical field of nuclear power DCS engineering, and particularly discloses a DCS engineering configuration verification method based on a nuclear power simulation technology. The method comprises the following steps: designing an input file according to DCS configuration, and constructing a verification procedure; building a verification platform, and creating a verification scene; verifying the verification procedure by utilizing the verification platform and the verification scene, and forming a verification procedure record; and performing DCS engineering configuration modification according to the verification procedure record, performing regression test on the modified verification procedure, and further performing verification procedure until no inconformity item exists in the verification procedure record. According to the method, parallel testing can be carried out on the whole system of a running unit, DCS configuration is verified and correctedin an early stage, the number of DCS configuration problems on site is reduced, DCS on-site debugging time can be shortened, the overall debugging progress of the unit is guaranteed, and large economic benefits are obtained.

The invention provides a remote automatic monitoring system for a generating set. The remote automatic monitoring system for a generating set comprises an engine electric control module, a generating set controller, a PLC and a touch screen, wherein the PLC is connected with the touch screen through a fiber accessory; the touch screen is electrically with storage equipment; the PLC is connected with the generating set controller and a relay through a signal line; the generating set controller is connected with the engine, the engine electric control module, a generator and the relay through a signal line; and the relay is connected with the engine and the generator through a signal line. For solving the problem for on-site manual control and monitoring of a current gas generating set, the remote automatic monitoring system for a generating set establishes communication between a programmable controller and the generating set controller and transmits signals in the fiber mode, and at the same time realizes the function for sudden stop of the set on the hardware so as to realize monitoring and control of the on-line state of the generating set.

The invention provides a new type of special equipment for intelligent thermal spraying wear-resistant workpieces, including an intelligent six-axis robot and a PLC automatic control system. The left front of the intelligent six-axis robot is provided with a turntable fixture tooling, and the right front is provided with a turntable fixture Tooling, the left side of the turntable fixture tooling is equipped with a preheating crawler transmission device, the right side of the turntable fixture tooling is equipped with a cooling track transmission device, the turntable fixture tooling is equipped with a pneumatic clamp, and the turntable fixture tooling is equipped with another pneumatic clamp. The intelligent six-axis robot is equipped with a spray gun, and an alloy powder storage barrel is arranged under the intelligent six-axis robot, and the alloy powder storage barrel is connected with a high-pressure gas storage tank. Compared with manual operation, the coating thickness is accurately calculated, easy to control, the consumption of alloy powder is small, and the cost is reduced; it is operated by an intelligent six-axis robot, and an advanced servo control system is used to control the operation at the best speed, saving working time. Reduced costs.

The invention discloses a path planning method of a magnetic navigation AGV. A two-dimensional array is included, a row of the two-dimensional array corresponds to a set line number in a field environment; a column of the two-dimensional array corresponds to a set station number in the field environment, and a value corresponding to each station number is a preset numerical value; and when the AGVpasses through the station number, the AGV reads the numerical value, functional analysis is performed on the numerical value through decompilation, and the value is sent to an execution mechanism soas to achieve a purpose of controlling a driving route of the AGV. According to the method, a problem that source codes need to be changed when lines and stations are changed is solved, and comparedwith an existing path planning method of the magnetic navigation AGV, by using the method of the invention, on the basis that the source codes are not changed, a running environment line function is planned rapidly, and therefore field debugging time is greatly shortened.

The invention discloses a variable speed constant frequency pump storage group controller hardware-in-loop simulation test platform and belongs to the pump storage group simulation test technology field. The platform comprises an RACK calculation module, an I/O interface board, a communication board and RSCAD simulation software. The platform is characterized in that the platform also includes anexcitation controller, an excitation controller signal transfer circuit board, a converter controller, a converter controller signal transfer circuit board, a coordination controller, and a coordination controller signal transfer circuit board; the excitation controller signal transfer circuit board is connected with the I/O interface board and the communication board in a communication connectionmode; the converter controller signal transfer circuit board is connected with the I/O interface board and the communication board in the communication connection mode; and the coordination controller signal transfer circuit board is connected to the I/O interface board and the communication board in the communication connection mode. Simulation testing, verification and optimization can be performed on an actual control system, site debugging time is short, cost is low and the platform is good for popularization and application.

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.

The invention discloses a novel in-parallel compact type distribution scheme of combined electrical apparatuses and relates to a distribution scheme of the combined electrical apparatuses used by a power system. The novel in-parallel compact type distribution scheme comprises a plurality of wire incoming gaps, a plurality of wire outgoing gaps, a plurality of wire-incoming capacitance-type insulating buses, a plurality of wire-outgoing capacitance-type insulating buses and an SF6 (sulfur hexafluoride) gas main bus, wherein the wire incoming gaps and the wire outgoing gaps are distributed compactly in parallel, so that the single SF6 gas main bus or double SF6 gas main buses is/are shortened as much as possible; and the SF6 gas main bus is used for connecting the wire incoming gaps and the wire outgoing gaps; and at least one wire incoming gap adopts one wire-incoming capacitance-type insulating bus, or at least one wire outgoing gap adopts one wire-outgoing capacitance-type insulating bus. The novel in-parallel compact type distribution scheme has the beneficial effects that the SF6 gas main bus is furthest shortened, the standard modular design is carried out without considering the site, the production cost and the design cost are reduced, the structure is compact, the design is convenient, the debugging time on site is short and SF6 gas is greatly reduced.

The invention discloses a DP intelligent module, which is used to solve the technical problems of insufficient encryption protection of PLC algorithm programs and the technical problem that a PLC control module can only apply one control algorithm. The DP intelligent module includes: a main controller and a DP slave station module And the RS485 interface module; the main controller is connected to the DP slave module, the DP slave module is connected to the RS485 interface module, and the RS485 interface module is connected to the Profibus‑DP bus; the main controller is used to receive, store and run the PLC control algorithm; The DP slave module is used to realize the data interaction between the main controller and the RS485 interface module; the RS485 interface module is used to realize the data interaction between the DP slave module and the Profibus‑DP bus. The invention also discloses a PLC control system and method.

The invention provides a data center cold source group control virtual debugging system. The system comprises a cold source system dynamic simulation module, a logic control module, a real-time database and a process monitoring module. The cold source system dynamic simulation module is used for realizing process flow analogue simulation and reproducing the running process of a real system; the logic control module is connected with the cold source system dynamic simulation module and used for compiling cold source system control logic and logic interlocking between devices. The real-time database exchanges data with the dynamic simulation module of the cold source system, and debugs and optimizes a logic control program of the logic control module based on real behavior feedback provided by the dynamic simulation module of the cold source system; and the process monitoring module is used for realizing graphical display of the cold source system process flow and acquisition, recording and pushing of alarm and trend information. Automatic program logic and system performance debugging verification can be realized in advance, so that the aims of shortening the field debugging time and reducing the debugging risk are fulfilled.

The invention discloses a control method for a general material line. The control method comprises the following steps: firstly, establishing an element driving layer, an equipment calling layer, material line combining layers and a material line functional layer on a general material line control terminal; secondly, according to a field material line structure to be constructed, calling all driving modules of corresponding general material line sub equipment in the field material line structure to be constructed from the element driving layer through the equipment calling layer by the general material line control terminal, and then establishing physical connection between each called driving module and the corresponding general material line sub equipment; thirdly, performing combined connection on all material line combining layers establishing the physical connection relationship with the driving modules by the general material line control terminal; fourthly, performing logic control on material line structures which are formed and required by the field by the material line functional layer. According to the control method disclosed by the invention, the development control time for different material lines and the field debugging time of the system are shortened.

The invention provides a simulation system and method for a shoemaking production line. The system comprises an input module which comprises an encoder for reading and writing an identifier disposed on a material, and a matching unit for matching the material with a shoe tree; a glue spraying module which comprises a first glue spraying unit used for spraying glue to a vamp and a second glue spraying unit used for spraying glue to a sole; an output module which comprises a mechanical arm used for taking and placing shoes and a pressing machine unit used for manufacturing the shoes. The input module, the glue spraying module and the output module are sequentially arranged in the moving direction of a conveying belt. Under the condition that an actual operation scene is not built or field debugging is limited, simulation or operation can be conducted through a simulation system, and the field debugging time is shortened.