34results about How to "Simple program structure" patented technology

The invention relates to an electronic control device for a brake system of a motor vehicle, comprising at least one interface for an operating element, in particular a parking brake operating switch, and at least two actuating circuits for electrical actuators, in particular electrical parking brake actuators. According to the invention, the electronic control device comprises two or more independent processors, which are directly connected to each other via a data bus. A motor vehicle equipped with a control device or brake system according to the invention requires no transmission lock in an automatic transmission.

The invention discloses an electronic parking braking method. The method comprises the following steps of: first, parking braking, namely transferring prestored air pressure in an air reservoir to brake chambers of each wheel by controlling an active air supply electromagnetic valve to realize the parking braking; and second, releasing braking, namely when a road section is a straight road surface, simultaneously releasing a drive wheel and a driven wheel of a controlled vehicle once; and when the road section is a downhill road section or an uphill road section, adopting a corresponding control strategy according to the rotating situations of each wheel of the vehicle, and releasing the air pressure in the brake chambers of each wheel of the controlled vehicle separately by utilizing a pressure maintaining effect of an antilock brake system (ABS) electromagnetic regulating valve. The electronic parking braking method has a reasonable design, low investment cost, high intelligence degree and good use effect, is convenient to operate, and solves the practical problems of high technical requirements on drivers, brake force transfer gap of mechanical system, great difficulties in starting operation on low-adhesion coefficient road surface and ramp, poor use effect and the like in a conventional mechanical parking braking system.

The invention relates to a PWM overmodulation method based on an optimized quasi sine flat modulating wave. The method is characterized in that firstly, one quasi sine flat wave is established to serve as the modulating wave, a triangular carrier wave is modulated, and then a three-phase PWM overmodulation algorithm is adopted for overmodulation. According to the method, three-phase PWM is generated by adopting the triangular carrier wave, the largest output linear voltage fundamental wave amplitude value of the three-phase PWM in a linear area is 19% higher than that of SPWM, and therefore the direct-current voltage use ratio is remarkably improved.

The invention relates to the technical field of an industrial control system and particularly relates to a control program organization structure of the control system and a download method. The control system comprises a controller and configuration software, wherein the controller is internally provided with an operation management core in a solidification mode, a background system of the configuration software is stored with a program module database, the program module database is stored in the configuration software in an encrypted linkable file mode, the foreground of the configuration software realizes programming and download of user configuration programs carried out by users, the operation management core, the program module database, the user configuration programs and data sets form a control program, and communication and interaction of the control program between the controller and the configuration software is carried out through a download interface. The control system is advantaged in that the control program module database is stored in the background of the configuration software, control program modules actually utilized by the configuration program are downloaded to store in the controller only after download, not only can the program structure of the controller is simplified, program scheduling and management are made to realize more rapid and reliable, but also storage resource pressure of the controller is further reduced.

The invention relates to an adaptive measurement and control system for a charge-discharge process of an integrated storage battery, in particular relates to an adaptive measurement and control system for a charge-discharge process of an integrated storage battery by dynamically regulating and controlling a power supply adapter and load power to work in a corresponding optimization condition so that an application embodiment has perfect safety and protective function. The power supply adapter and the load power are dynamically regulated and controlled to work in adaptive charge and discharge mode with an automatic optimization condition through a measurement and control module, the practicable service life of the storage battery can be doubled prolonged, and rapid charge can be achieved. The system is widely applicable for application scenes such as an illuminating system, a standby power supply system, a dynamic power supply system, a ships and warships power supply system, an automobile power supply system, a solar energy storing and supplying system, a mobile power supply system and the like.

The invention discloses an intelligent data acquisition device with a solidified protocol. The device comprises a main processor for converting the control power of a bus. The main processor is respectively connected with a memory chip, a meter protocol card for collecting and analyzing data after receiving the control power of the bus and at least one communication interface circuit. Due to the fact that the meter protocol card instead of the processor is employed to collect and analyze data, the communication protocol provided by the invention is matched with the communication protocol of an intelligent instrument by changing the meter protocol card to carry out data collection and analysis on the intelligent instrument. In addition, the meter protocol card is employed to collect and analyze data, so that the process of data collection and analysis is independent from the main processor, the program structure of the main processor is simplified, the burden of the main processor is reduced, debug is more easily to be carried out, and the stability and the reliability is greatly enhanced. The intelligent data acquisition device with the solidified protocol provided by the invention is widely applied in a centralized meter reading system.

The invention discloses a download management method, a download management unit and a download system, wherein the download management method includes the following steps: the download management unit receives a file download request assigned by a file application program, the file download request carries a Uniform Resource Locator corresponding to a file requested to download by the file application program and the Uniform Resource Locator includes a Protocol ID; according to the Protocol ID included in the Uniform Resource Locator, a protocol processing unit corresponding to the Protocol ID is called to download the file; and after the file downloaded by the protocol processing unit is received, the file is forwarded to the file application program. The technical proposal provided by the embodiment is conducive to simplifying the structure of the file application program, improves the system expandability, and relatively lowers the complexity of code maintenance.

The invention discloses an automatic registration method, device and system for bullet screen events in the Android and a storage medium, and relates to the technical field of Android development. The method includes the steps that firstly, a self-defined registration mark is created based on an existing annotation function of the Android system; then, a mark analyzer is created, wherein the mark analyzer is used for searching for methods of all bullet screen events marked by the registration mark; finally, after the methods needing to be registered of the bullet screen events are marked with the registration mark, analysis is conducted in the compiling stage through the created mark analyzer, and the methods of all the bullet screen events marked by the registration mark are obtained; the obtained methods of all the bullet screen events are registered. By means of the method, code segments needing to be manually registered by developers in the prior art can be registered in an automatic generation mode, so that the program structure is simplified and easy to maintain, and the development efficiency is greatly improved.

The invention discloses a wet electric closed-loop control electricity saving method. According to the method, on the basis of manual setting of wet electric running parameters, chimney smoke concentration signals are guided into a wet electric power source transformer control system, the output current of a wet electric power source is subjected to programmable control adjustment, and the wet electric consumption is reduced to the maximum degree on the premise that wet electric normal running and the smoke discharging concentration are guaranteed; and guiding of the chimney smoke concentration signals into a wet electric power source control system and programmable control adjustment over the output current of the wet electric power source refer to that the chimney smoke concentration is guided and connected to be displayed to the wet electric control system, and the wet electric running parameters are automatically adjusted according to the chimney smoke concentration. According to the wet electric closed-loop control electricity saving method, an original wet type electric precipitation control procedure is improved, and the wet electric closed-loop control electricity saving method has the beneficial effects that the program structure is simple, achieving is easy, the wet electric consumption can be greatly reduced, the ultra-low emission running economical efficiency and reliability of a coal-fired unit are obviously improved, and obvious functions are achieved for economical and environment-friendly running of the coal-fired unit.

The invention discloses a method for solving too many branch statements in software, which comprises: the step of establishing a dynamic library; the step of establishing a function pointer; and the step of pointing the function pointer to the dynamic library. The invention combines the dynamic library and function pointer data to solve the problem of many branch statements in the above software engineering, to simplify the software structure, improve the software design efficiency, and improve the readability, maintainability and expandability of the software.

The invention discloses an electronic parking braking method. The method comprises the following steps of: first, parking braking, namely transferring prestored air pressure in an air reservoir to brake chambers of each wheel by controlling an active air supply electromagnetic valve to realize the parking braking; and second, releasing braking, namely when a road section is a straight road surface, simultaneously releasing a drive wheel and a driven wheel of a controlled vehicle once; and when the road section is a downhill road section or an uphill road section, adopting a corresponding control strategy according to the rotating situations of each wheel of the vehicle, and releasing the air pressure in the brake chambers of each wheel of the controlled vehicle separately by utilizing a pressure maintaining effect of an antilock brake system (ABS) electromagnetic regulating valve. The electronic parking braking method has a reasonable design, low investment cost, high intelligence degree and good use effect, is convenient to operate, and solves the practical problems of high technical requirements on drivers, brake force transfer gap of mechanical system, great difficulties in starting operation on low-adhesion coefficient road surface and ramp, poor use effect and the like in a conventional mechanical parking braking system.

The invention discloses an intelligent detection system and method for abnormity of an automatic sensor, in an automatic logistics control process, for an application scene of control process information tracking, a sensor detection signal is combined with controller program logic by utilizing a controller program scanning characteristic, a special program module algorithm is compiled in a controller, according to dynamic characteristics such as conveying equipment with different lengths and accelerations, through dynamic counting, self-learning detection control and self-adaptive dynamic fault triggering, tracking errors are prevented, alarm diagnosis is accurately completed, and fault types are accurately identified, so that the fault processing time is saved, and the response speed of fault processing is improved.

The invention provides an automatic nozzle and submerged arc welding machine and a control system. One side of a horizontal movement unit is connected with a self-aligning mechanism, the other side ofthe horizontal movement unit is connected with a rotating support, a rotating system is installed on the lower part of the rotating support, a drag chain accessory is connected with the lower part ofthe rotating system, a welding wire disc, a mounting bracket of the welding wire disc and a remote operation control box are fixed on a bracket of the drag chain accessory, the front end of the dragchain accessory is connected with a perpendicular movement unit, and a wire feeding unit is installed at the lower end of the perpendicular movement unit. According to the automatic nozzle and submerged arc welding machine, the digitalization degree is improved, the operation difficulty is reduced, the self technical level requirements of a welder are reduced, the welding preparation time is shortened, the product manufacturing cycle is increased, the influence of human factors on the welding process is reduced, and the welding quality is ensured.

The invention relates to a material tracking data processing system and method in an iron and steel enterprise management and control system, and the system comprises a tracking management module, a data management module, a first data area which is used as a cache, and a second data area which is used for carrying out the persistent storage of data. The tracking management module receives material tracking data, the data management module is used for managing the first data area and the second data area, starting a data reading process as required, reading data from the first data area or the second data area, writing the data of the second data area into the first data area as required, and starting the data writing process as required, and writing the material tracking data received by the tracking management module into the second data area and deleting the data in the first data area as required. According to the invention, efficient reading and writing of the material tracking data in the iron and steel enterprise management and control system are ensured, and the data are not lost.

The invention discloses a wet electrostatic precipitator rear segment spraying program control optimized water saving method. The water saving method comprises the steps that firstly, a wet electrostatic precipitator circulating water quality solid containing amount online monitor is additionally arranged, so that the water quality of wet electrostatic precipitator circulating water is ensured; secondly, by automatically reading the current unit load and the spraying duration and period set at the corresponding load, the rear segment spraying water opening duration is automatically increased or decreased; thirdly, by means of newly increased spraying water amount calculated every 30 minutes, the drained waste water amount is synchronously calculated and adjusted, and wet electrostatic precipitator water balance is achieved; and fourthly, on the premise that the wet electrostatic precipitator circulating water quality solid containing amount meets the requirement, the amount of fresh water consumed by a wet electrostatic precipitator is reduced as much as possible, the water amount of an absorption tower is synchronously reduced, and therefore it is guaranteed that a demister of the absorption tower carries out flushing according to requirements, longer flushing duration is provided, the demisting effect of the system demister is ensured, blockage is avoided, the industrial water consumption is reduced to the maximum extent, and the drainage frequency and the drainage waste water amount of the absorption tower are synchronously reduced; and by means of the method, the wet electrostatic precipitator water consumption is reduced, and the method has a remarkable effect on economical and environmental-friendly running of a coal-fired unit.

The invention discloses a temperature control algorithm for a semiconductor temperature control device, and relates to the field of the temperature control. The temperature control algorithm comprisesa refrigeration system and a circulating system; the refrigeration system is used for controlling temperature, the circulating system is used for liquid circulation, so that the temperature control precision of the equipment is greatly improved, the no-load state is within + / -0.1 DEG C, and the loading state is within + / -1 DEG C, and the energy consumption of the equipment is obviously reduced; the heating quantity output is in a low range in the no-load and load states, the internal energy loss in the equipment is less, and the energy consumption is reduced; and the temperature control algorithm is compatible with different flows and simple in program structure. By being compatible with different flows, the energy consumption of the equipment is reduced, and the temperature control precision is further improved.

The embodiment of the invention discloses a welding control method and a welding system. The welding control method includes: detecting the running state of the welding machine; if the welding machine is in the welding state and running in the energy mode, then obtaining the first power sampling signal for the welding machine; obtaining the count value of the timer, and obtaining the count value Resetting the timer afterward to control the timer to count again, wherein the count value is used as the welding duration of the welding machine in the last welding stage; obtain the second power sampling signal for the welding machine; based on the first power sampling signal, the second power Sampling signal and welding time to determine the energy increment generated by the welding machine in the previous welding stage; control the operating state of the welding machine based on the energy increment. The controller can automatically calculate the accumulated welding energy in the welding process according to the obtained parameters, and there is no waiting process, which realizes the uninterrupted welding process while simplifying the program structure, and improves the welding efficiency of the entire welding system. efficiency.

The invention discloses a sequential control method and a card reader, and belongs to the technical field of intelligent cards. The sequential control method comprises that: when the card reader detects a falling edge of a transmission signal, a sequential controller is started; when the sequential controller reaches a first preset control value, the level of the intelligent card is sampled to serve as a first bit position, and if the level is a low level, the data is continuously received, otherwise the data receiving is ended; when the sequential controller reaches a second control value toa ninth preset control value, the level is sampled in turn to serve as a second bit position to the ninth bit position in turn according to the agreed protocol and the bit positions are spliced into a data byte for saving; and when the sequential controller reaches a tenth preset control value, the level is sampled to serve as a tenth bit position, and the saved data byte is checked by using the tenth bit position according to the preset check mode. The card reader comprises a sequential control module, a sampling module, a judging module, a storage module and a check module. The sequential control method and the card reader realize more accurate sequential control.

Disclosed in the present invention are a method for automatically registering a bullet screen event in Android, a storage medium, a device and a system, relating to the field of Android development technology. The method comprises: firstly creating a self-defined registration mark on the basis of the existing annotation functions of an Android system; then creating a mark parser, the mark parser being used for searching for all bullet screen event methods which are marked by the registration mark; finally, after the bullet screen event methods which are required to be registered, are marked by the registration mark, parsing same by using the created mark parser in a compilation stage to obtain all the bullet screen event methods marked by the registration mark; and performing a registration operation on all the obtained bullet screen event methods. The present invention can improve the registration of a code segment, which requires manual operations of a developer in the prior art, by means of an automatic generation mode, not only simplifying the program structure for maintenance convenience, but also greatly improving development efficiency.

The invention discloses an intelligent detection system and method for the abnormality of an automatic sensor. In the automatic logistics control process, for the application scene of the control process information tracking, the sensor detection signal is combined with the controller program logic by using the scanning characteristic of the controller program. , write a special program module algorithm in the controller, according to the dynamic characteristics of conveying equipment with different lengths and different accelerations, dynamic counting, self-learning detection control, adaptive dynamic fault triggering, in order to prevent tracking errors, accurately complete alarm diagnosis, and accurately Identify fault types accurately, thereby saving fault handling time and improving the response speed of fault handling.

The invention belongs to the technical field of machining, and discloses a process for machining an oil groove part by using a macro program, which comprises the following steps: S1, fixing a shaft sleeve part to be machined; S2, confirming structure parameters of a oil groove to be machined; S3, selecting the type of a turning tool and the shape of a tool bit; S4, programming by utilizing the macro program; S5, starting a machine tool, thereby completing machining. The numerical control lathe solves the problem that an economical numerical control lathe in the prior art is not suitable for machining 8-shaped or double 8-shaped closed oil grooves, and is suitable for machining oil groove parts.

The invention relates to the technical field of an industrial control system and particularly relates to a control program organization structure of the control system and a download method. The control system comprises a controller and configuration software, wherein the controller is internally provided with an operation management core in a solidification mode, a background system of the configuration software is stored with a program module database, the program module database is stored in the configuration software in an encrypted linkable file mode, the foreground of the configuration software realizes programming and download of user configuration programs carried out by users, the operation management core, the program module database, the user configuration programs and data sets form a control program, and communication and interaction of the control program between the controller and the configuration software is carried out through a download interface. The control system is advantaged in that the control program module database is stored in the background of the configuration software, control program modules actually utilized by the configuration program are downloaded to store in the controller only after download, not only can the program structure of the controller is simplified, program scheduling and management are made to realize more rapid and reliable, but also storage resource pressure of the controller is further reduced.

The invention discloses a white smoke prevention intelligent detection method for a wet desulphurization chimney. The method comprises the following specific steps: S1, by adding a detection instrument, collecting four signals of atmospheric temperature, atmospheric relative humidity, atmospheric wind power and wind direction in real time, and transmitting the signals to a control system; S2, taking the four signals of atmospheric temperature, atmospheric relative humidity, atmospheric wind power and wind direction as four variables to be introduced into a computational formula of actual chimney white smoke critical smoke temperature in the control system, and calculating to obtain actual chimney white smoke critical smoke temperature; S3, feeding back the calculated and obtained actual chimney white smoke critical smoke temperature to a waste heat recovery system by the control system, and regulating the smoke temperature inside the chimney according to the actual chimney white smokecritical smoke temperature to realize waste heat recovery maximization and thermal pollution minimization. The method disclosed by the invention is easy to realize, thermal energy can be recycled greatly, the coal consumption is saved, and the ultra-low emission operating economy, reliability and environmental protection of a coal-fired unit can be improved obviously.

The invention discloses a data communication method and a method and a system thereof for measuring and controlling a dual redundancy motor. The data communication method comprises the following steps: 1. Setting a communication protocol; 2. Double-cycle parallel data receiving and processing. The double redundancy motor measurement and control method comprises the following steps: 1. Communication protocol setting; 2. Data acquisition and transmission; 3. Data receiving and processing; The dual redundancy motor measurement and control system comprises a DSP digital processor module and a power supply circuit module, a reset circuit connected with the DSP digital processor module, a storage expansion circuit and a RS422 / RS485 communication circuit. The dual redundancy motor measurement andcontrol system comprises a DSP digital processor module and a power supply circuit module. The input terminal of DSP digital processor module is connected with current detection circuit, voltage detection circuit, temperature detection circuit and RVDT solution circuit. The invention can stably, safely and reliably realize the coordinated control between the dual-redundancy servo motors and the data communication between the upper computer LabVIEW and the lower computer DSP module, which is convenient for popularizing and using.

The invention discloses a timing sequence control method and a card reader, belonging to technical field of intelligent card. The method comprises: the card reader starts a timing sequence controller, drives IO electrical level into low electrical level, converts the first bit into electrical level to transmit out; when the timing sequence controller achieves the first preset control value, the bits from the second to the ninth are converted into electrical level in sequence according to the protocol and transmit out, when the timing sequence controller reaches the preset control values from the second to the ninth in sequence, bits from the second to the ninth are transmitted out; according to the protocol, the tenth bit is calculated, and converted into electrical level to be transmitted out, when the timing sequence controller reaches the tenth preset control value, the tenth bit is transmitted out, and the card reader drives the electrical level into high electrical level. The card reader comprises a timing sequence control module, a transmitting module and a calculating module. The invention realizes more precise timing sequence.

The invention discloses a modular tactile perception control device and method. The device comprises a tactile information acquisition module, a main controller module, a multi-path motor driving module, a plurality of motors and a plurality of mechanical transmission mechanisms. The tactile information acquisition module is used for acquiring contact force information and realizing the functionsof contact force detection and recognition. The main controller module is used for completing square wave control, current closed-loop control, speed closed-loop control, contact force impedance transformation closed-loop control, information feedback and operation of the information acquisition module, and control signal transmission of the information acquisition module. The multi-path motor driving module is used for receiving a motor control signal sent by the main controller module and directly performing motion control on the motor. According to the method, real-time contact force signals fed back by the tactile information acquisition module and given force signals are used for making deviations. After that, the speed closed-loop feedback control information is formed after impedance conversion. Meanwhile, the speed deviations and the speed closed-loop feedback control information are superposed, and then the speed closed-loop adjustment is carried out. Finally, force control can be accurately completed.

The invention relates to a PWM overmodulation method based on an optimized quasi sine flat modulating wave. The method is characterized in that firstly, one quasi sine flat wave is established to serve as the modulating wave, a triangular carrier wave is modulated, and then a three-phase PWM overmodulation algorithm is adopted for overmodulation. According to the method, three-phase PWM is generated by adopting the triangular carrier wave, the largest output linear voltage fundamental wave amplitude value of the three-phase PWM in a linear area is 19% higher than that of SPWM, and therefore the direct-current voltage use ratio is remarkably improved.