858 results about "Electronic control system" patented technology

The invention discloses a mixing and feeding electric control system with a liquid level sensing function, and relates to the field of control systems. An adaptive parameter configuration module; a multi-stage gradient stirring module; a real-time data twinning processing module; a remote cooperative monitoring module; a fault linkage processing module; and an energy-saving closed-loop control module. According to the system, the material characteristic pre-detection module is combined with the water content-viscosity-medicament dosage three-dimensional mapping table and the viscosity-rotating speed mapping table, so that real-time scanning and parameter quantitative matching of the granularity, the water content and the viscosity of the industrial waste are realized; according to the scheme, the stirring sufficiency of the high-viscosity industrial sludge is improved, the energy consumption of the low-viscosity material is reduced, the dosage of the medicament is automatically matched according to the three-dimensional mapping table, the utilization rate of the curing agent is improved, and the core problems of stirring waste and insufficient stirring are fundamentally solved.

The invention discloses a modeling and optimizing method for a thermal resistance network of a high-power semiconductor module. The method is based on an electricity-heat-fluid field dynamic coupling simulation technology, the turbulence state is judged through Reynolds numbers, and the enhancement effect of fluid flow on heat transfer is quantified in combination with a standard k-epsilon model and a Navier-Stokes equation; a module thermal resistance curve is extracted through transient simulation, thermal resistance parameters are fitted through a high-order Foster model, a thermal resistance network model containing self-heating impedance and coupling thermal impedance is constructed, and matrix representation of temperature distribution in a multi-chip heat source coupling scene is achieved. Loss parameters are further corrected through iteration in combination with experimental data. Experimental results show that the model has high precision in the aspect of junction temperature prediction, and the calculation efficiency is remarkably improved compared with a traditional finite element method. The invention provides a high-precision and low-complexity solution for the thermal management design of the high-power semiconductor module, and can be widely applied to the fields of new energy automobile electric control systems and high-density power electronic equipment.

The present invention discloses automated soft capsule production equipment and a speed regulation method, relating to the field of food and pharmaceutical equipment manufacturing, and is designed to achieve automated soft capsule production. The automated soft capsule production equipment includes an electronic control system, a liquid infusion system, a gelatin strip conveyor system, and a soft capsule pressing and molding system. The electronic control system is connected to the liquid infusion system, the gelatin strip conveyor system, and the soft capsule pressing and molding system, respectively. The gelatin strip conveyor system includes a thickness sensor for measuring the thickness of the conveyed gelatin strip and transmitting a measurement signal to the electronic control system. The gelatin strip conveyor system also includes an angle sensor assembly for measuring the tightness of the conveyed gelatin strip and transmitting a measurement signal to the electronic control system. The electronic control system receives and processes the measurement signal and transmits a control signal to a motor in the gelatin strip conveyor system to adjust the thickness or tightness of the gelatin strip. The liquid infusion system automatically closes and opens the infusion switch via the electronic control system, and the soft capsule pressing and molding system automatically controls the mold compression or release via the electronic control system.

The invention discloses a variable-structure water-air amphibious robot and a motion control method. The robot comprises a water-air amphibious robot body, a variable-structure wing system and an electric control system. The robot body comprises a sealed cabin, a propeller fixing assembly, a fluid shell and a variable support tail cover. The variable-structure wing system comprises a driving gear transmission assembly, a two-section folding wing and a wing folding linkage assembly; the electric control system comprises a control core element, a visual module, a power supply module, a GPS module and an underwater depthometer module which are arranged in the cabin body; the motion control method is based on a deep reinforcement learning control method, control generalization ability is enhanced through teacher and student strategies and random domain, and the motion control method has more advantages in scenes such as inaccurate modeling and large external disturbance change. The structure of the variable-structure water-air amphibious robot integrates the structures of a rotorcraft, a fixed-wing aircraft, an underwater robot and the like, the modes of the wings can be switched, and efficient movement operation of the water-air amphibious robot is achieved.

The invention belongs to the field of high-voltage cables, particularly relates to self-propelled unfolding equipment for high-voltage cables, and aims to solve the problems that the use position of an existing cable reel is fixed, a fixed pay-off rack is adopted at present, and once the cable reel is erected, the position of the pay-off rack is fixed and cannot be adjusted in the later period. And no self-adaptive cable reel adjusting function exists. And automatic leveling is realized without a cable reel. In order to solve the problem that in the prior art, a cable reel brake function does not exist, according to the scheme, the crawler-type walking device comprises a crawler-type walking device body, an upper frame, a hoisting mechanism and a cable reel support, the crawler-type walking device body is horizontally arranged on the ground, and the upper frame is arranged on the crawler-type walking device body. The cable reel support achieves independent height and interval adjustment through a lifting mechanism (a lifting oil cylinder and an inner rod and outer barrel structure) and a contraction and expansion mechanism (a telescopic oil cylinder and a sliding block and sliding groove), can adapt to cable reels of different specifications, achieves automatic leveling through an electric control system, and avoids equipment damage or operation interruption caused by unbalance loading.

The utility model relates to a light large-span wave compensation type seaborne lightering device which comprises a mechanical body, a hydraulic system and an electric control system, and the mechanical body comprises a container type base, an anti-swing base assembly, a rotary tower body assembly, an arm frame assembly, a working basket assembly, a winding and unwinding winch assembly and a variable-amplitude oil cylinder. The container type base is connected with a ship body base, and the anti-swing base assembly is connected with the container type base through a fastener and a thrust block. The slewing tower body assembly is connected with the anti-swing base assembly through a slewing support; the arm support assembly is connected with the slewing tower body assembly through a variable-amplitude oil cylinder and a pin shaft assembly; the working basket assembly is connected with the arm support assembly through a variable-amplitude oil cylinder and a pin shaft assembly; the winding and unwinding winch assembly is installed at the lower end of the boom assembly. The hydraulic system is connected with the anti-swing base assembly, the rotary tower body assembly, the arm frame assembly, the working basket assembly, the winding and unwinding winch assembly and the variable-amplitude oil cylinder. The electric control system is connected with the hydraulic system. The maritime lightering device has high environment self-adaptive capacity and high reliability.

The invention provides a logic separation type multi-servo-motor electric control system. According to the logic separation type multi-servo-motor electric control system, collaborative operation of high-precision control and data transmission is achieved through three independent loops. The system comprises a PC end computer, a control unit, an industrial bus, a servo driving unit, a logic unit and a controlled object. Wherein the first loop is formed by a PC end computer through a control unit, an industrial bus and a servo driving unit, and is responsible for transmitting a real-time control signal and position updating data; the second loop is returned to the PC end computer by the servo driving unit through the logic unit and is used for feeding back execution state data of the servo driver; and in the third loop, the controlled object is transmitted to the PC end computer through the logic unit, and real-time position signals and mechanical state data of the controlled object are transmitted. Through the logic layering and loop separation design, the control real-time performance, the data transmission reliability and the system expansibility of the system are remarkably improved, meanwhile, the signal interference during multi-task processing is reduced, and the system is suitable for a high-precision industrial automation scene.

The invention discloses slivering equipment based on cotton-type wool fibers, and relates to the technical field of slivering of cotton-type wool fibers, and the slivering equipment comprises a positive sliver guide device, a stretch-breaking device, a slivering device, a transmission device for driving each device, and an embedded electronic control system which are arranged in sequence. Stable and uniform conveying is ensured through closed-loop control of the active unwinding rotating disc and the tension sensor, static electricity is effectively restrained through the automatic spraying system, the full-anti-static rubber roller and the coiling disc, the spinnability is improved, soft and accurate fiber straightening and length control are achieved through double-set five-up-ten-down full-delta-shaped curve stretch-breaking combined with pneumatic pressurization, and the production efficiency is improved. Compacting slivering and antistatic large-diameter straight pipe coiling guarantee that fiber slivers are compact in structure and excellent in forming, an embedded electronic control system conducts digital precise regulation and control on key parameters such as tension, gauge, drafting and pressure, automatic stopping and automatic creeling are achieved when the slivers are broken, and finally the effects of high-quality wool top production, high production efficiency and high production flexibility are achieved.

The invention relates to the technical field of electronic control system testing and diagnosis, and discloses a high-precision control module detection and data analysis system and method, and the system comprises a data collection and excitation execution module which is used for carrying out data interaction with a tested control module and applying an excitation signal; the dynamic divergence calculation module is used for calculating the dynamic divergence representing the internal dynamic relation deviation degree of the tested control module according to the real-time state data of the tested control module and by comparing with a preset reference state space tensor; and the predicted deviation degree calculation module is used for calculating the predicted deviation degree between the actual state and the predicted state of the tested control module according to a preset state observer model. According to the method, a closed-loop self-adaptive test framework is adopted, active exploration is carried out by taking maximization of dynamic divergence as a target, deep faults which are difficult to expose in a conventional test and are caused by dynamic coupling failure can be efficiently found, and the depth and coverage rate of fault detection are greatly improved.

The utility model relates to the technical field of vehicle electronic gear shifters, and discloses a gear-shifting switch structure which comprises a gear-shifting assembly, a shell and a magnet, the gear-shifting assembly is rotatably installed on the shell, one end of the gear-shifting assembly is located in the shell, and the end, located outside the shell, of the gear-shifting assembly rotates to drive the end, located in the shell, of the gear-shifting assembly to rotate in the same direction; the magnet is installed at the end, located in the shell, of the gear shifting assembly, and the end, located in the shell, of the gear shifting assembly rotates to drive the magnet to move. A circuit board and three Hall assemblies, wherein the circuit board is installed in the shell and located below the magnet; the three Hall assemblies are respectively arranged on the circuit board and are respectively and electrically connected with an automobile electronic control system; the Hall assemblies are distributed at equal intervals in the moving direction of the magnet and can sense magnetic field changes when the magnet moves. The one-dimensional rotation of the gear shifting assembly drives the magnet to move, the design of a mechanical structure and a magnetic circuit system is simplified, and the manufacturing cost and the assembling difficulty are reduced.

The invention relates to the technical field of non-electrical variable control and regulation systems, and discloses an intelligent temperature electronic control system for low-temperature fermentation of composite strains, which comprises the following steps of: monitoring the power of a temperature control and stirring component in parallel, and when a metabolic inflection point indicated by the temperature control power is identified, starting the stirring component; according to the method, through a dual-channel cooperative diagnosis mechanism, the inherent fuzziness of a single signal in distinguishing normal metabolism turning from flora activity decline is solved, the accuracy of the signal is improved, and the accuracy of the signal is improved. And the core diagnosis reference of the system is prevented from being eroded by decline process data, so that the continuous effectiveness of the whole control system in a long fermentation period is guaranteed.

The invention relates to an electromagnetic valve fault diagnosis technology, and discloses an automobile intelligent chassis electric control system and a control circuit thereof, the automobile intelligent chassis electric control system comprises a first fault diagnosis circuit and a second fault diagnosis circuit, the first fault diagnosis circuit and the second fault diagnosis circuit respectively comprise a voltage collector, a voltage division circuit and a protection circuit; the protection circuit is used for protecting the fault diagnosis circuit, the voltage division circuit is used for dividing the voltage output by the electromagnetic valve, and the voltage collector is used for collecting the divided voltage; the voltage collector is used for collecting the voltage of the electromagnetic valve in real time; and determining the state of the electromagnetic valve according to the acquired voltage of the electromagnetic valve. Fault diagnosis of the electromagnetic valves of the intelligent chassis electric control system of the automobile can be carried out without driving the electromagnetic valves, only one port resource is needed for diagnosis of each electromagnetic valve, the diagnosis mode is simple, and the cost is low.

The utility model relates to environmental protection equipment, in particular to a small-sized mobile organic waste gas purification all-in-one machine, which is a cuboid and comprises a box body, an organic waste gas filtering device, an adsorption device, a fan and a control system, two air inlets are arranged at the bottom of the main side of the box body, and a grating type air outlet is arranged at the top of the box body; the organic waste gas treatment system comprises a primary plate filter and an activated carbon adsorption layer; and the electric control system comprises a fan and an air pressure controller. The device is small in occupied space, simple in structure, convenient to move, low in manufacturing cost, high in collection efficiency, good in purification effect and high in safety performance, and can be independently used in a certain area to meet temporary labor requirements.

The invention provides a joint simulation method, device and equipment for a vehicle electronic control system and a vehicle, and relates to the technical field of vehicle chassis electronic control, and the method comprises the steps: firstly obtaining basic data of an electronic control system model and a vehicle dynamics model, and a simulation test working condition; then, an interface mapping relation between an electric control system model and a vehicle dynamics model is established, and the electric control system model and the vehicle dynamics model are integrated by means of a multidisciplinary collaborative tool chain to generate an interactive dynamic link library file, so that efficient and stable joint simulation of the electric control system and the Adams whole vehicle model is achieved. According to the method, key parameters are uniformly packaged into an external system library, direct debugging of an electronic control model and flexible configuration of control parameters in a single Adams environment are supported, so that the problems of multi-software switching, solver conflict and interface immobilization in traditional master-slave joint simulation are avoided, the simulation stability, the execution efficiency and the system expansibility are effectively improved, and the method is suitable for large-scale popularization and application. And the control effect of the electronic control system on the dynamic performance of the vehicle can be verified more accurately.

The invention relates to an electric control system test board for engineering equipment, which comprises a test box, a comprehensive controller, an operation control box, a closed pump control box and a computer, the test box is connected with a tested electric control system through a test cable, and the electric control system is tested by pulling a toggle switch on a panel of the test box or rotating a single-circle carbon film potentiometer. An analog switching value or an analog quantity electric signal is transmitted to a tested electric control system and processed by an electric control system controller to control a corresponding system state indicating lamp on the test box to be lighted so as to test the correctness, stability and safety of the function of the electric control system, and the system can be operated by a single person, is simple and convenient to operate, is high in test response speed, and is visual and clear in test result. Powerful support is provided for early-stage performance analysis, system design, test verification and production delivery of the electric control system of the engineering equipment, so that the production quality of the engineering equipment is continuously improved, the time, manpower and material cost is reduced, and the development and production cycle is shortened.

This invention relates to the field of vacuum pump testing technology, specifically to a rotor temperature control system and method for a Roots vacuum pump, comprising a pump body, a rotor assembly, a temperature measurement system, a heating system, a cooling system, and an electronic control system. The temperature measurement system includes a wireless temperature sensor that measures the temperature of the rotor assembly and transmits the temperature signal to the electronic control system. The heating system is located at the pump body's inlet. The inner cavity of the rotor shaft of the rotor assembly is connected to the cooling system. The cooling system is electrically connected to the electronic control system. By adding a cooling system, and connecting it to the hollow rotor shaft, more heat can be removed. Simultaneously, a heating system is provided to heat the medium entering the pump body. Both the heating and cooling systems are connected to the electronic control system, which allows for precise temperature control of the rotor assembly and the internal temperature of the Roots pump cavity.

The invention relates to the technical field of data transmission, in particular to a CAN communication network multi-rate adaptive transmission control system, a control method and a vehicle electronic control system. According to the CAN communication network multi-rate adaptive transmission control system, dynamic rate adjustment and intelligent load balancing are realized through four core modules: a data classification module divides data into a security class, a power class, a comfort class and an entertainment class, and calculates a dynamic weight; the network state monitoring module adopts a sliding window algorithm to calculate a network load rate in real time; the rate decision module dynamically selects the transmission rate according to the priority and the load rate; and the multi-path control module selects an optimal standby path based on the comprehensive score of the path load rate, the hop count and the link quality, and distributes traffic through a weighted polling algorithm. The system breaks through the limitation of a traditional CAN fixed rate, realizes low-delay transmission of high-priority data and efficient utilization of network resources, and is particularly suitable for a high-load communication scene of an intelligent automobile.

The invention relates to the technical field of photovoltaic cooling hydrogen production, and particularly provides a multi-source synergistic spray cooling concentrating frequency division photovoltaic hydrogen production system and a regulation and control method. Accurate separation of solar spectrums is achieved through jacketed pipe frequency division and a reaction pipe, visible light wave bands are converted into electric energy through a photovoltaic module, infrared wave bands are subjected to photo-thermal conversion through a catalytic reaction pipe, surplus heat energy is directly used for the activation process of hydrogen production through water electrolysis, and gradient utilization of solar energy is achieved. And precise temperature control is realized, and the temperature of the photovoltaic panel is stabilized in an optimal interval in combination with a closed-loop temperature control strategy. The wind-solar complementary power supply and the waste heat cascade recovery device synergistically improve the energy utilization rate, and the multifunctional integrated electric control system realizes hydrogen-electricity-heat multi-target scheduling through a dynamic game optimization algorithm and a digital twin simulation platform. The working temperature of a solar cell is stabilized in the optimal efficiency interval, meanwhile, heat energy loss of a traditional system is converted into hydrogen production effective energy, and an efficient and stable solar energy-hydrogen energy conversion system is constructed.

A projectile incorporates one or more spoiler-tabbed spinning disks to effect flow around the projectile and thus impart steering forces and / or moments. The spoiler tabs may be deployed only during steering phases of travel thus minimizing the drag penalty associated with steering systems. The disks are driven by motors and informed and controlled by sensors and electronic control systems. The spoiler tabs protrude through the surface of the projectile only for certain angles of spin of the spinning disk. For spin-stabilized projectiles, the disks spin at substantially the same rate as the projectile, but the disks may function in fin-stabilized projectiles as well. Any number of such spinning flow effector disks may be incorporated in a projectile, with the manner of functional coordination differing slightly for even and odd numbers of disks.

The invention relates to the technical field of industrial electric control optimization, and discloses an intelligent industrial electric control optimization system based on a deep learning algorithm. The system comprises a multi-modal sensing module which integrates a temperature sensor, a flow sensor and a pressure sensor to collect multi-modal data flow; a feature extraction module extracts three types of features to construct a multi-modal industrial feature set; the state comparison module generates normal and abnormal operation state comparison characterization by means of a generative adversarial network; the contribution degree evaluation module takes the system load rate as a tool variable, and calculates the contribution degree score of each sensing channel to the system stability through a Bayesian network; the dynamic screening module fuses the two types of indexes, and adjusts threshold screening through a deep belief network to generate optimization target representation; the time sequence grouping module performs phase grouping and weighting according to an operation cycle; and the fusion decision module generates a regulation instruction through hierarchical attention mechanism fusion, so that the operation stability and efficiency of the industrial electronic control system are effectively improved.

The present invention belongs to the technical field of designs of mechanical parameters or variables in electrical digital data processing. Disclosed is a method for optimizing the reliability of an ultra-deepwater pile hammer system, which method is used for performing reliability analysis on a pile hammer system. The method comprises: performing functional analysis and functional module division on a mechanical system, a power system, a hydraulic system, a pneumatic system and an electronic control system of an ultra-deepwater pile hammer system, viewing the five systems as five first-level subsystems, clarifying important parameters of the first-level subsystems, and further dividing the first-level subsystems into second-level subsystems; and performing criticality analysis on the second-level subsystems, and allocating reliability indexes of the first-level subsystems and the second-level subsystems of the ultra-deepwater pile hammer system and reliability indexes of failure modes of the second-level subsystems, so as to obtain an optimal reliability allocation scheme for the ultra-deepwater pile hammer system. In the present invention, various parameters of first-level systems and second-level systems are combined, and failure modes are taken into consideration, so as to obtain an optimal reliability allocation scheme.

The invention relates to the technical field of electric vehicle electronic control systems, in particular to a four-wheel low-speed electric vehicle fault display system, which is based on CAN bus protocol construction, integrates high-precision total voltage acquisition and instrument man-machine interaction technologies, and innovatively defines a motor controller and instrument standardized fault code system. The technical problems of the four-wheel low-speed electric vehicle in the aspects of potential fault pre-judgment and fault rapid positioning are solved, specifically, when a motor is not in overcurrent, the flag bit at ID = 0 * 153 Byte1 Bit1 in a communication message is 0, when the motor is in an overcurrent continuous fault, the flag bit is 1, an instrument displays the motor overcurrent fault, a central control screen displays a motor phase line connection diagram, and fault phase lines flicker; maintenance personnel can conveniently and quickly know true causes of faults, formulate solution measures, maintain and eliminate the faults, and the maintenance efficiency is improved. Meanwhile, temperature compensation and fault early warning are linked in the system.

The invention discloses a quick-charging low-voltage platform high-capacity battery system for an electric forklift, and the system comprises a battery module which is installed on the electric forklift and supplies power to the electric forklift; the box body is mounted on the electric forklift; the two charging seats are arranged outside the box body and are used for being connected with a charging gun of a charger; the electric control system is arranged in the box body, the input end of the electric control system is connected with the two charging seats, and the discharge port of the electric control system is arranged on the box body and connected with the battery module; according to the battery module, the low-temperature-rise battery cell is used, the heating value is reduced from the source in the charging process, the charging rate is improved on the premise that a liquid cooling system is not used, the double-gun charging technology can be used for a high-capacity battery, the charging current is improved, and the purpose of rapid charging is achieved.

The disclosure presents an electric fireplace having a housing, an interior chamber for housing simulated fuel, and a variable cover plate for sealing the interior chamber. The variable cover plate comprises an outer transparent medium and a variable film provided with a wire contact module. The variable film abuts the outer transparent medium via colloid; the wire contact module extends laterally from the variable film to connect to an electronic control system. The electronic control system is disposed on the housing and outside the back of the interior chamber. The electronic control system alters the appearance of the charcoal and flames on the variable cover plate by adjusting the fuzzy coefficient of the variable film. As a result, users can create various desired states, thus enhancing customization and user experience of the electric fireplace.

The invention discloses a brake-by-wire redundancy control method and system based on big data, and the method comprises the steps: obtaining historical fault data of a brake-by-wire system, carrying out the preprocessing of the historical fault data into standard fault data, carrying out the clustering analysis, extracting the position of a fault part, and determining a weak position set of the system; constructing an initial fault propagation matrix according to the weak position set, and calculating the system failure contribution degree of each fault component to update the matrix; using Monte Carlo simulation to form a failure probability data set based on the updated matrix; generating a plurality of candidate switching paths for the scene with the failure probability higher than a preset threshold value, and simulating the candidate switching paths through digital twin simulation to obtain actual switching time delay and success probability; and calculating the comprehensive performance score of each path according to the simulation result, sorting according to the scores, and selecting the path with the highest score for switching control when the running load state of the fault component exceeds a preset threshold value. According to the invention, the redundancy control switching efficiency of the drive-by-wire system under a complex working condition is improved.

The full-automatic concrete setting time measuring device comprises a machine body, a test cylinder and an electric control system which is arranged on the front side of the machine body and is used for controlling all electric appliance accessories, the upper side of the machine body is sequentially provided with a test cylinder placing frame used for arranging and placing a plurality of test cylinders, a multi-direction moving mechanical arm used for grabbing the test cylinders to move front and back, up and down and left and right, an uncovering mechanism used for uncovering the test cylinders, and a dip angle water absorbing mechanism used for absorbing bleeding water on the inner sides of the test cylinders from right to left. The rotating mechanism is used for placing the uncovered test cylinder, the needle feeding mechanism is arranged above the rotating mechanism and is used for inserting and measuring the setting time of concrete in the test cylinder, a concrete penetration force value is automatically measured within a specified time interval through an automatic electric control system, and the penetration resistance of a sample is calculated; and the initial setting time and the final setting time are obtained through the time-penetration resistance curve, so that manual detection of the setting time is converted into automatic detection, and the working efficiency and the accuracy are greatly improved.

The utility model discloses a wheelchair lifting device for a railway vehicle, which comprises a bearing frame fixed on a vehicle body through an upper bearing seat and a lower bearing seat, a housing and a driving mechanism are fixedly arranged on the bearing frame, the bearing frame is hinged with the upper part of a buffer device, and the lower part of the buffer device is connected with a guide device; the upper portion of the guiding device is connected with the bearing frame through a range extending guide rail, the lower portion of the guiding device is hinged to the platform assembly, and a safety handrail is arranged on the platform assembly. An electric control system and a positioning device are arranged on the bearing frame, and the positioning device corresponds to a limiting hole in the lower bearing seat. The device is simple in structure, convenient to use and small in occupied space, and does not need a hydraulic station; meanwhile, stable and reliable lifting action of the device is ensured.

The utility model discloses an electric control system of a water purifier capable of adjusting components in filtered water, which comprises a shell, and a water inlet electromagnetic valve, a water pump, a first filtering component for filtering impurities in water and a second filtering component for sterilizing and disinfecting a water body which are sequentially connected are arranged in the shell. The third filter assembly is used for intercepting organic matters, heavy metals and trace elements in water and generating wastewater to be discharged, the pressure sensor is used for detecting the output pressure of filtered water, a supplementing water pipe is connected between the output end of the second filter assembly and the output end of the filtered water of the third filter assembly, and the wastewater outlet end of the third filter assembly is connected with a wastewater electromagnetic valve. The main control assembly is used for controlling the water inlet electromagnetic valve and the waste water electromagnetic valve to be opened when the water purifier works and controlling the water pump to work to adjust tap water input flow according to a detection signal of the pressure sensor, so that filtered water retains components such as trace elements in the area, and meanwhile, the stable tap water input pressure is ensured.

The method is mainly applied to the technical field of vehicle engineering. The invention discloses a virtual calibration method, device and equipment based on a driving simulator and a medium. A virtual test environment is constructed through a vehicle model of a target vehicle, a virtual test scene model and a chassis electric control system model. And executing driving operation and acquiring test data by utilizing human-computer interaction of the driving simulator, and further evaluating the vehicle performance. And when the performance parameters do not reach the preset indexes, optimizing the parameters of the chassis electric control system model according to the manual adjustment instruction until all the parameters reach the standard. And after reaching the standard, further adjusting the parameters by combining the subjective quantitative indexes of the driver, and determining the optimal performance parameters. The scheme is carried out in a virtual environment, so that the risk of real testing is avoided, and the safety is ensured; scenes and parameters can be quickly switched, and the calibration efficiency is improved; various working conditions can be simulated, and comprehensive evaluation is realized; lots of real vehicles and sites are not needed, and the cost is reduced.

A method for ensuring the standstill of a rail vehicle, in particular ensuring the standstill of the rail vehicle for safety reasons, uses a vehicle controller of the rail vehicle having an electronic control system in order to implement driving commands and standstill commands in the rail vehicle. In addition, a monitoring instance is used, which is independent of the control system and which detects a movement of the rail vehicle, compares the detected movement with a valid driving command of the vehicle controller and, in the case of a deviation, initiates braking of the rail vehicle independently of the control system in order to bring the rail vehicle to a standstill.