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389 results about "Ignition control" patented technology

Self-adaptive control method for ignition process of metallurgical sintering machine

The invention relates to the technical field of sintering production, in particular to a self-adaptive control method for an ignition process of a metallurgical sintering machine, which comprises the following steps of: acquiring key parameters such as material layer thickness, hearth pressure, sintering machine speed and air box temperature in a sintering machine system in real time, and transmitting acquired data to an ignition control model unit; and parameters such as fuel and air flow and air volume are dynamically adjusted by adopting a self-adaptive optimization algorithm, so that rapid improvement and stable control of the ignition efficiency are realized. According to the method, temperature and fuel in the ignition process are evaluated through a big data analysis technology in combination with actual requirements of the sintering process, and an ignition control strategy is optimized in combination with an intelligent regulation and control algorithm. Aiming at the complexity of an ignition process of the metallurgical sintering machine, an adaptive optimization technology is utilized to realize accurate control of the ignition process, and optimization suggestions are comprehensively given according to an ignition temperature curve and a fuel consumption condition to timely guide an operator to adjust process parameters, so that the ignition efficiency is improved, the energy consumption is reduced, and the sintering quality is improved.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Remote ignition control system of release torch

The invention discloses a remote ignition control system for a release flare, and relates to the technical field of release flare control, the system comprises the following components: a fault detection module, a fault isolation module, a standby module, a redundant circuit switching module, a fault diagnosis module and a wireless communication module; by integrating multiple modules of fault detection, fault isolation, standby module and redundant circuit switching, fault diagnosis and wireless communication, comprehensive remote monitoring and management of the release flare ignition control system are achieved, when the system detects a fault, electrical connection of a fault component can be rapidly cut off, and the safety of the release flare ignition control system is improved. And the standby module or the redundant circuit is automatically switched, so that the continuous and stable operation of the system is ensured, the reliability and the safety of the system are remarkably improved, and the risk of production interruption caused by faults is reduced.
Owner:四川凌耘建科技有限公司

Inclined variable-angle aircraft interstage separation ground test device and method

The invention provides an inclined variable-angle aircraft interstage separation ground test device. The inclined variable-angle aircraft interstage separation ground test device comprises an aircraft separation device, an angle adjusting device, a temperature control and acquisition device, a vibration control and impact acquisition device, an ignition control device and a device base. The angle adjusting device comprises a device side plate, an arc groove, an angle ruler, a separation mechanism mounting plate, a supporting hinge, a supporting rod, an adjusting sliding rail, an adjusting base, a locking device, a device base gradienter, a rotating bearing and an auxiliary fixing block. The temperature control device comprises a quartz lamp array heating cage, an outer wall temperature control thermocouple and an inner wall temperature acquisition thermocouple, and can simulate a pneumatic heating environment at a separation moment, so that the thermal deformation matching capability of the separation mechanism in a high-temperature environment and the operation reliability of the separation mechanism are obtained. The vibration control and impact acquisition device is composed of a vibration table, a vibration control sensor and an impact sensor.
Owner:SHANGHAI INST OF ELECTROMECHANICAL ENG

Airbag ignition control method and device, computer equipment, storage medium and computer program product

The invention relates to a safety air bag ignition control method and device, computer equipment, a storage medium and a computer program product. The method comprises the steps that the running state of the automobile safety air bag control system is configured through the safety control state machine; under the condition that the running state is the normal state, the ignition function of the automobile safety air bag control system is configured to be in a forbidden state through a safety control state machine; in response to the fact that the automobile safety air bag control system is powered on for the first time and / or a watchdog error is detected, the running state is switched to a watchdog error protection state from a normal state through a safety control state machine; and under the condition that the operation result of the sensor data processing unit exceeds a preset threshold value, the operation state is switched from the normal state to the safety air bag ignition enabling state through the safety control state machine, and the ignition function is switched to the starting state. By adopting the method, the low-delay and high-precision response requirements of the chip on the ignition control instruction can be met.
Owner:CCORE TECH CO LTD

Ignition control method of remote plasma source

The invention discloses an ignition control method of a remote plasma source in the technical field of remote plasma sources, which comprises the following steps: S1, setting a gas current excitation threshold value, and introducing excitation gas; s2, judging whether an ignition signal is received or not, and if yes, closing a relay and entering a constant current stage; s3, whether system ignition is normal or not is judged, and if not, the ignition voltage is adjusted through a self-learning type ignition threshold value calibration method; s4, the output power is improved, and the ignition voltage is adjusted through an ignition threshold calibration method during the period; s5, entering a constant power stage when the output power reaches the full-load power; according to the self-learning type ignition threshold value calibration method, gas flow, gas pressure and cavity temperature are collected in real time, a current load impedance value is predicted through an LSF-BP model, and an ignition voltage threshold value is updated according to the current load impedance value. According to the method, the ignition threshold is dynamically adjusted according to the operation condition, the ignition stability can be effectively improved, and equipment damage and maintenance cost are reduced.
Owner:江苏神州半导体科技股份有限公司

High-integration intelligent ignition device and automobile safety communication power supply system thereof

The invention discloses a high-integration intelligent ignition head device and an automobile safety communication power supply system thereof. The device comprises an input unit, a power management module, a communication module, a communication judgment module, an MCU, a voltage sensing module, a current sensing module, an ignition control module, an ignition element and a substrate, and an environment self-adaption unit, a dual-mode wireless energy supply unit and an optical fiber diagnosis channel can be additionally arranged. The system adopts the device, communicates with a central control unit through a redundant optical fiber bus and a double-wire bus, and further comprises the central control unit, a dynamic topology reconstruction unit and a pre-ignition energy distribution unit. Through digital signal control, multi-dimensional sensing module integration and a double-wire bus topological structure, ignition threshold multi-stage protection, state real-time monitoring and feedback, multi-ignition-head parallel independent control and miniaturized function integration are achieved, and the reliability, the intelligent degree and the driving efficiency of an automobile safety system are improved.
Owner:BEIJING QIXU DEEP TECHNOLOGY CO LTD

Dust explosion combustion experiment device

The invention relates to the technical field of dust combustion, and provides a dust explosion combustion experiment device in order to solve the problems that an existing dust explosion combustion experiment device is insufficient in parameter control precision, and an experiment multi-focus single variable lacks a dust removing mechanism and a safety protection measure, and the dust explosion combustion experiment device comprises an experiment table which is provided with a power chamber and an equipment chamber; one side of the experiment table is hinged with an access door, two sides of the top of the experiment table are provided with conveying main pipes extending to the equipment chamber, a power supply assembly is arranged in the electric power chamber; the protective shell assembly comprises an outer shell and an inner shell; a plurality of exhaust pipes are arranged at the top of the inner shell; the dust generation assembly comprises a plurality of dust storage tanks and an air compressor; the ignition control assembly comprises a pulse igniter, a flame detection feedback circuit and an ignition head; the environment adjusting assembly comprises a box body, an oxygen tank and a humidifier, wherein the oxygen tank and the humidifier are arranged in the box body. The device has the advantages that the dust concentration is accurately regulated and controlled, the environmental parameters are dynamically coupled and controlled, dust residues are rapidly removed, and the experiment safety is high.
Owner:唐彪

Fixed-wing aircraft flutter excitation and testing system and method

A fixed-wing aircraft flutter excitation and testing system and method. The fixed-wing aircraft flutter excitation and testing system comprises an excitation apparatus and a testing system; the excitation apparatus comprises miniature excitation rockets arranged at excitation points of wingtips of elastic structures on an aircraft, and an ignition control system electrically connected to the miniature excitation rockets; the testing system comprises an airborne signal acquisition subsystem and a vibration signal acquisition subsystem; the airborne signal acquisition subsystem comprises a data acquisition recorder and a GPS antenna, and is used for recording flight state parameters and GPS time of the aircraft; and the vibration signal acquisition subsystem comprises low-frequency vibration acceleration sensors arranged at testing points of rigid planes of the elastic structures on the aircraft, and a data acquisition recorder. According to the fixed-wing aircraft flutter excitation and testing system and method, various flutter modes can be accurately, conveniently and efficiently obtained by means of the excitation apparatus, and flight state parameters and vibration parameters required for flutter analysis are obtained by means of the testing system.
Owner:HARBIN

RH vacuum tank system and combustion heating operation method

The invention relates to an RH vacuum tank system and a combustion heating operation method, and belongs to the field of ferrous metallurgy vacuum treatment equipment. The system comprises a vacuum tank, a hot bent pipe, a top lance device, a vacuum air pump system and an automatic control system, the hot bent pipe is connected with the vacuum tank, and an automatic ignition device, an infrared temperature measuring device, a video monitoring device and a thermocouple are integrated in the hot bent pipe; the top lance device is of a water-cooling multi-layer sleeve structure, multiple stations are switched through a top lance rotating frame and a lifting trolley, and vacuum sealing is maintained. The method is based on multi-sensor cooperative control, low-temperature ignition, high-temperature spontaneous combustion and molten steel heating modes are automatically executed according to the temperature of a refractory material at the bottom of a tank and the temperature of molten steel, and combustion stability is ensured by dynamically adjusting the flow of fuel gas and oxygen. According to the scheme, through closed-loop ignition control, inert gas protection and intelligent monitoring, the safety is remarkably improved, and the gas explosion risk is avoided; full-automatic operation and precise temperature control are combined, the molten steel quality and the production efficiency are improved, and the device is suitable for refining production of high-value-added steel such as silicon steel and automobile sheets.
Owner:CISDI ENGINEERING CO LTD

Engine Control Method, Device, Equipment and Computer Readable Storage Medium

The present invention relates to the field of automotive control technology, and particularly to an engine control method, device, equipment and computer-readable storage medium. The engine control method includes: obtaining the concentration of nitrogen oxides in the original exhaust of the engine at least once through a NOx sensor installed upstream of the three-way catalytic converter, and obtaining the engine torque corresponding to the nitrogen oxide concentration; determining a fuel quality coefficient from a preset ignition control map based on the nitrogen oxide concentration and the engine torque; if the fuel quality coefficient is within a first preset range, controlling the intake pressure of the engine based on the fuel quality coefficient. The present invention realizes detecting the fuel quality in the engine before controlling the intake pressure of the engine, and controlling the intake pressure of the engine based on the fuel quality when the fuel quality is normal, so as to consider the interference of the fuel quality on the intake pressure during the process of controlling the intake pressure, improve the accuracy of controlling the intake pressure of the engine, and thus reduce the pollution of the engine exhaust gas.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +2

Ignition control method and device of wall-hanging stove, controller and wall-hanging stove

The invention relates to the technical field of wall-hanging stoves, and discloses an ignition control method and device of a wall-hanging stove, a controller and the wall-hanging stove.The ignition control method comprises the steps that when ignition of the wall-hanging stove fails, the valve opening current of a gas proportional valve of the wall-hanging stove is detected, and when the valve opening current is smaller than a preset current threshold value, the valve opening current is increased, and the wall-hanging stove is controlled to execute ignition operation again; when the valve opening current is larger than or equal to the preset current threshold value, the fan rotating speed of the wall-hanging stove is detected; and when the rotating speed of the fan is larger than the preset rotating speed threshold value, the rotating speed of the fan is adjusted to the preset rotating speed threshold value, and the wall-hanging stove is controlled to execute re-ignition operation. According to the method, the valve opening current is firstly adjusted when the execution of the ignition operation fails, so that the ignition success rate of the wall-hanging stove is increased by increasing the air inlet pressure, and the rotating speed of the fan is adjusted when the valve opening current is greater than the preset current threshold value, so that the ignition failure caused by flame separation and fire transfer failure is avoided by reducing the air inlet amount of cold air; the ignition success rate of the wall-hanging stove is improved.
Owner:GUANGDONG WANHE THERMAL ENERGY TECH CO LTD

Modular multi-fuel industrial burner plasma igniter with efficient cooling structure

The invention discloses a modular multi-fuel industrial burner plasma igniter with an efficient cooling structure. The modular multi-fuel industrial burner plasma igniter comprises an ignition module, an efficient cooling module, a fuel adaptation module and an intelligent control module. A plasma arc generator is arranged in the ignition module and is used for generating a high-temperature ignition source; the efficient cooling module adopts a multi-layer surrounding type flow channel design, and active heat management of the ignition module is achieved through forced circulation of a cooling medium; the fuel adaptation module supports rapid switching and stable supply of various fuels such as natural gas, fuel oil and biomass gas through standardized interfaces and pipelines; the intelligent control module integrates ignition control, fuel switching and thermal management strategies, monitors the system state in real time and automatically adjusts operation parameters. By means of the modular architecture and the efficient cooling technology, the problems that a traditional plasma igniter is prone to overheating damage, poor in adaptability and difficult to maintain under the high-temperature and multi-fuel working conditions are solved.
Owner:CHENGDU QIYI MECHANICAL & ELECTRICAL CO LTD

Ignition control method of pure hydrogen gas turbine, readable medium and pure hydrogen gas turbine

The embodiment of the invention discloses an ignition control method of a pure hydrogen gas turbine, a readable medium and the pure hydrogen gas turbine. A specific embodiment of the method comprises the following steps: controlling a purging device included in the pure hydrogen gas turbine to execute purging operation; all igniters included in the pure hydrogen gas turbine are controlled to execute ignition operation, and a first fuel control valve, a second fuel cut-off valve and a third fuel cut-off valve are controlled to execute opening operation according to preset first ignition opening degree information; according to preset second ignition opening degree information, the first fuel control valve is controlled to execute opening degree down-regulation operation; acquiring a temperature monitoring information sequence set of each combustion chamber thermocouple included in the corresponding pure hydrogen gas turbine and valve state information of a first fuel control valve; ignition result information is generated according to the temperature monitoring information sequence set and the valve state information; and the first fuel control valve is controlled to execute opening degree keeping operation. According to the embodiment, the safety of ignition operation of the pure hydrogen gas turbine can be improved.
Owner:WUXI MINGYANG HYDROGEN COMBUSTION POWER TECH CO LTD

Self-configuring ignition controls

A control for a gas fired pool heater is configurable to operate at either a first voltage or a second voltage higher than the first voltage. The control includes an input voltage measurement circuit and an automatic voltage select circuit. The input voltage measurement circuit is configured to be operable for measuring an input line voltage to determine whether the gas fired pool heater unit is connected with the first voltage or the second voltage. The automatic voltage select circuit is configured to be operable for configuring the control for the correct input line voltage as measured by the input voltage measurement circuit.
Owner:COPELAND COMFORT CONTROL LP

Hybrid power unmanned aerial vehicle system and method based on multistage emergency control

The invention provides a hybrid power unmanned aerial vehicle system and method based on multistage emergency control, and the system comprises an engine state monitoring and failure detection module which collects the operation parameters of an engine in real time through a vibration sensor, a rotating speed sensor and a temperature sensor; the multi-state machine emergency control module is in communication connection with the engine state monitoring and failure detection module; the intelligent ignition control module is in communication connection with the engine state monitoring and failure detection module and the multi-state machine emergency control module; the VTOL mode conversion control module is in communication connection with the multi-state machine emergency control module; the dynamic energy management unit is in communication connection with the multi-state machine emergency control module; and the navigation and communication interface module integrates a receiver and a multi-mode communication link and is in communication connection with the multi-state machine emergency control module. According to the invention, full-automatic closed-loop processing from engine failure prediction and intelligent restart to multi-mode emergency decision and execution is realized.
Owner:ZHUOYI ZHINENG

Driving protection circuit for initiating explosive device

The invention relates to a driving protection circuit for an initiating explosive device, belongs to the technical field of initiating explosive devices, and solves the problem of insufficient safety of an ignition driving circuit in the prior art. The driving protection circuit comprises a power supply power-on protection circuit, a capacitor charging protection circuit and an ignition control protection circuit; the power supply power-on protection circuit is connected with a power supply and is used for providing power-on protection when the power supply is powered on and providing charging energy for the capacitor charging protection circuit; the capacitor charging protection circuit is used for receiving the charging energy of the power supply power-on protection circuit under the control of the charging control signal and charging an internal energy storage capacitor; and the ignition control protection circuit is used for releasing the energy of the energy storage capacitor under the control of the ignition control signal to ignite the initiating explosive device load. And safe ignition of the initiating explosive device is realized.
Owner:BEIJING MECHANICAL EQUIP INST

Ignition control method of gas water heater controller and gas water heater

The invention relates to the technical field of gas water heater control, and discloses an ignition control method of a gas water heater controller and a gas water heater, the ignition control method comprises the steps that a feedback signal sent by a driving controller of a direct current fan is received, and the feedback signal carries a signal duty ratio and a signal frequency; the signal type of the feedback signal is judged based on the signal duty ratio of the feedback signal, the signal type comprises an identification signal and a rotation speed signal, and the identification signal and the rotation speed signal correspond to different duty ratio ranges respectively; and if the feedback signal is the rotating speed signal, the gas water heater is controlled to ignite and heat based on the signal frequency of the feedback signal. According to the method, the feedback signal sent by the direct-current fan is recognized, so that the gas water heater is controlled to ignite and heat under the condition that the direct-current fan sends the rotating speed signal, the situation that the recognition signal is mistakenly used as the rotating speed signal and mistakenly ignited under the condition that the direct-current fan is not started due to the fact that the control line is abnormal is avoided, and the safety of a product is improved.
Owner:GUANGDONG WANHE THERMAL ENERGY TECH CO LTD

Vehicle and engine starting control method, device and crankshaft revolution number acquisition method

The present invention discloses a vehicle and its engine starting control method, device and crankshaft revolution acquisition method. The engine starting control method specifically includes: acquiring the crankshaft position signal of the engine; performing credibility analysis on the crankshaft position signal to obtain a credibility analysis result, the credibility analysis result at least including: the crankshaft signal is credible, the crankshaft signal is uncredible, and the crankshaft signal is converted from credible to uncredible; determining a target recognition strategy according to the credibility analysis result, and determining the number of crankshaft revolutions of the engine according to the target recognition strategy, the target recognition strategy and the credibility analysis result having a one-to-one correspondence; executing starting ignition control according to the number of crankshaft revolutions. The present invention improves the crankshaft position detection accuracy, optimizes the engine ignition and combustion timing, avoids ignition shock caused by improper ignition timing, and improves the starting noise reduction effect by formulating a crankshaft revolution identification strategy under different signal states.
Owner:CHINA FAW CO LTD

Interactive control circuit for two-channel ignition system of aero-engine

The invention belongs to the technical field of aviation ignition control circuit design, particularly relates to an interactive control circuit for a dual-channel ignition system of an aero-engine, and aims to solve the problems of low reliability, high delay and high reliability caused by dependence on a mechanical relay in the conventional ignition system control circuit. And a traditional electronic scheme is complex in structure and high in cost. The circuit system comprises a first aviation plug, a second aviation plug, a channel I control circuit, a channel II control circuit, an ignition circuit I and an ignition circuit II. The core is that the two aviation plugs receive a power signal and a control signal in a crossed manner, so that an ignition circuit of any channel can be triggered by a corresponding control signal on any aviation plug, and a redundant and mutually-standby interactive control framework is formed.
Owner:SHAANXI AVIATION ELECTRICAL

Ignition control method, device and equipment for dual-fuel engine and storage medium

The invention discloses an ignition control method, device and equipment for a dual-fuel engine and a storage medium. The ignition control method comprises the steps that the engine rotating speed and the engine torque are obtained; determining engine working conditions according to the engine speed or the engine torque; and controlling a spark plug and / or a dual-fuel injector to start according to the engine working condition, the engine rotating speed and the engine torque. According to the technical scheme, the engine rotating speed and the engine torque are obtained, the engine working conditions are determined according to the engine rotating speed or the engine torque, the spark plug and / or the dual-fuel injector are / is controlled to be started according to the different engine working conditions, and different ignition strategies are executed; flexible switching of different ignition modes of spark plug ignition and compression ignition is achieved, and the abnormal combustion problems of CO2 emission, early-burning explosion and the like of the dual-fuel engine are effectively solved.
Owner:WEICHAI POWER CO LTD

Automobile ignition coil and its ignition controller

The present invention discloses an automotive ignition coil and its ignition controller, and the technical solution is as follows: An energy storage module is arranged on the main housing, and the energy storage module is electrically connected in parallel with the primary coil. When the primary coil is connected to a DC power supply, the energy storage module and the primary coil respectively store electric field energy and magnetic field energy synchronously. There is an inversion circuit electrically connected between the energy storage module and the primary coil. When the inversion circuit responds to the disconnection of the DC power supply and the primary coil, it connects the energy storage module and the primary coil to provide a reverse voltage that is reversely transmitted to the primary coil, and the magnitude of the reverse voltage is equal to the self-inductive voltage generated by the primary coil. Through energy storage components, the present invention realizes that when the coil is powered off, the self-inductive voltage generated by the inductance is offset by the reverse current voltage, thereby achieving the effect of quickly eliminating the magnetic field, realizing the instantaneous disappearance of the magnetic field in the primary coil, demagnetizing the iron core, and the magnetic force lines rapidly contracting and cutting the secondary coil to generate high voltage for ignition operation.
Owner:TAIZHOU ANT ELECTRONIC CO LTD

Igniter control equipment

The utility model relates to an igniter control apparatus. The igniter control equipment comprises an activation isolation power supply module, a working isolation power supply module, a CAN circuit, a processor module, an activation control module, a temperature acquisition module and a temperature sensor, the activation control module comprises a one-out-of-multiple matrix circuit; the control end of the activation isolation power supply module is connected with the processor module, the CAN circuit, the activation control module and the temperature acquisition module are all connected with the processor module, and the temperature acquisition module is connected with the temperature sensor; the activation control module is connected with an external igniter; the igniter control equipment is connected with the upper computer through a CAN bus; the activation isolation power supply module is used for supplying power to an external igniter; and the working isolation power supply module is used for supplying power to the processor module, the temperature acquisition module and the CAN circuit. The equipment realizes electrical isolation of an input power supply, a system power supply and an igniter power supply, and also realizes control of more igniters under the condition of saving hardware interface resources.
Owner:CEC FREUNDSCHAFT TECH CO LTD

Multi-element accurate matching low-temperature brimstone furnace control system

ActiveCN224285491Uhigh degree of automationRealize frequency conversion adjustmentSulfur compoundsFurnace typesCombustionControl system
The utility model discloses a multi-element accurate proportioning low-temperature brimstone furnace control system, which mainly comprises a central controller, and a data acquisition unit, a fan driving unit, a molten sulfur control unit, a metering pump control unit, an atomization control unit, an ignition control unit, a hearth positive and negative pressure protection unit and a brimstone furnace high and low temperature protection unit which are connected with and controlled by the central controller. The sulfur combustion furnace system automatically and accurately distributes air and sulfur according to the squeezing amount or the flow, the stoving intensity and the like, and the problems that due to the fact that an existing sulfur combustion furnace system is inaccurate in air distribution and sulfur distribution, combustion is insufficient, sublimed sulfur is much, and technological indexes are unstable are solved.
Owner:GUANGXI KAFAR SMARTECH CO LTD

A boost ignition circuit

The application discloses a boosting ignition circuit and belongs to the technical field of fuzes. The boosting ignition circuit comprises a main controller, a sinusoidal oscillation circuit, a shaping circuit, a boosting circuit and an ignition control circuit. The boosting ignition circuit solves the technical problem of high reliability of fuze ignition. The boosting ignition circuit is stable and reliable, and double gate control guarantees safety. The boosting ignition circuit can be applied in applications with small ignition current demand.
Owner:南京威翔科技有限公司

Ignition control system for incandescent light of acid gas combustion furnace

The utility model relates to an ignition control system for an incandescent light of an acid gas combustion furnace. An inlet of a natural gas cut-off electromagnetic valve is connected with a natural gas pipe network, and an outlet of the natural gas cut-off electromagnetic valve is connected with a natural gas flame arrester; the natural gas flame arrester is connected with an inlet of a natural gas steel wire hose; the natural gas steel wire hose is connected with a natural gas pipe orifice of the incandescent light burner; an inlet of the combustion air cut-off electromagnetic valve is connected with an air pipe network, and an outlet is connected with the combustion air steel wire hose; the natural gas steel wire hose is connected with a natural gas pipe opening of the incandescent light burner, and the combustion air steel wire hose is connected with an air inlet pipe opening of the incandescent light burner. By accurately regulating and controlling the flow ratio of the fuel gas to the combustion-supporting air and adopting the electromagnetic valve for remote control and the temperature sensor for real-time monitoring, the ignition efficiency and safety are remarkably improved, and the ignition failure rate is reduced. The system is simple in structure, convenient to operate and suitable for various acid gas combustion furnaces.
Owner:YIDU XINGFA CHEMICAL CO LTD

Control distribution method for spacecraft with eight-thruster structure

The invention discloses a control distribution method for a spacecraft with an eight-thruster structure, and belongs to the technical field of spacecraft control. The problem that after the number of thrusters of an existing spacecraft is reduced, decoupling control requirements of force / torque in all directions cannot be met is solved. Comprising the steps that eight thrusters are arranged on a spacecraft, so that the eight thrusters are distributed in an axial symmetry mode in a structure installation coordinate system, nozzles face an evasion limiting area, and the axes of the nozzles evade the centroid deviation range of a whole-satellite structure center area; for the combined control of the expected single-axis force and the expected three-axis torque, establishing a relational expression by taking the longest total ignition duration of the four thrusters as a target, and calculating the ignition duration of each thruster; and for combined control of the expected triaxial force and the expected triaxial torque, six thrusters are selected from the eight thrusters to establish a relational expression between the ignition duration and the expected triaxial force and the expected triaxial torque, and the ignition duration of the six thrusters is calculated. The method is used for ignition control of the spacecraft.
Owner:HARBIN INST OF TECH

Aviation piston engine redundancy ignition system with electromagnetic shielding function and ignition method

The invention discloses an aviation piston engine redundancy ignition system with an electromagnetic shielding function and an ignition method, and particularly relates to the field of engines. Comprising a first control module and a second control module, the two control modules are connected with two ignition coils through high-voltage damping wires respectively, and each ignition coil is connected with a spark plug mechanism through a high-voltage damping wire; the two spark plug mechanisms are arranged on an air cylinder of the engine; a shielding layer is coated outside the high-voltage damping wire; and the spark plug mechanisms are respectively and correspondingly sleeved with shielding shells. Based on the system, redundancy ignition control is adopted, two control modules are used, each control module can control two sets of independent ignition systems at the same time, release electric energy to two ignition coils at the same time, conduct ignition control, and can effectively restrain electromagnetic interference.
Owner:XIAN AISHENG TECH GRP

Engine ignition control method and related device

The invention discloses an engine ignition control method and a related device, and relates to the technical field of engine control. The engine ignition control method comprises the steps that the actual water content of methanol fuel of a target engine is obtained; adjusting the ignition energy of an ignition coil according to the actual water content so as to perform ignition control on the target engine; wherein the ignition energy of the ignition coil is in positive correlation with the actual water content. The water content of the methanol fuel of the engine can be measured in real time, then the ignition energy of the ignition coil is adjusted according to the water content, the higher the water content of the methanol fuel is, the larger the corresponding ignition energy of the ignition coil is, and therefore the relatively rarefied methanol fuel can be successfully ignited; therefore, stability of combustion in an engine cylinder is guaranteed, and engine power is improved.
Owner:WEICHAI POWER CO LTD

Method and device for controlling the ignition of an internal combustion engine

To suppress waste of electric power by making energizing time to an ignition coil appropriate.SOLUTION: A reference energization time is determined based on a voltage of a power supply and a rotation speed. On the basis of a condition related to the combustion state of the internal combustion engine, it is determined whether the combustion state of the internal combustion engine is in a relatively stable first operation state or in a relatively unstable second operation state. To judge whether an actual combustion state is good or bad by detecting the actual combustion state of an internal combustion engine. When it is determined that the combustion state is good in the first operation state (time t1), the energization time is largely reduced and corrected from the reference energization time to a predetermined level, and thereafter, when it is determined that the actual combustion state is bad, the energization time is gradually corrected to be longer by a minute amount (time t2, t3). In the second operation state, when it is determined that the combustion state is good, the energization time is corrected to be gradually shortened by a minute amount from the reference energization time.SELECTED DRAWING: Figure 3
Owner:NISSAN MOTOR CO LTD

Pilot detonation ignition device system

The utility model discloses a pilot deflagration ignition device system, which relates to the technical field of petrochemical torch combustion ignition systems, and comprises an incandescent light deflagration ignition pipeline, a pilot deflagration ignition pipeline, a pilot deflagration ignition pipeline and a pilot deflagration ignition pipeline, one end of the deflagration ignition ring pipeline is connected with the deflagration ignition ring pipe; an outlet of the deflagration mixed fuel gas unit is respectively connected with an incandescent light deflagration ignition control valve and an incandescent light deflagration ignition ring control valve, the incandescent light deflagration ignition control valve and the incandescent light deflagration ignition ring control valve are arranged in parallel, the incandescent light deflagration ignition control valve is connected with an incandescent light deflagration ignition pipeline, and the incandescent light deflagration ignition ring control valve is connected with a deflagration ring ignition pipeline; an inlet of the deflagration ignition unit is respectively connected with an air inlet pipe and a fuel gas inlet pipe; the control unit is in control connection with the incandescent light deflagration ignition pipeline, the deflagration ignition ring pipeline, the deflagration mixed fuel gas unit and the deflagration ignition unit; the ignition device system is simple in structure, successful ignition can be completed in a remote automatic or manual mode, and successful ignition can be completed in an on-site automatic or manual mode.
Owner:周瑞敏 +1