278 results about "Electronic control system" patented technology

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.

The invention relates to the technical field of medical instruments, in particular to a liquid food feeding device capable of achieving quantitative conveying, which comprises a liquid food discharging mechanism, a liquid food feeding mechanism is arranged at the bottom of the front side of the liquid food discharging mechanism, the liquid food discharging mechanism comprises a liquid food discharging frame, and a quantitative discharging assembly is fixedly connected to the inner bottom of the liquid food discharging frame. The liquid food feeding mechanism comprises two feeding mechanism side plates, a feeding barrel connecting plate is fixedly connected between the front sides of the inner sides of the two feeding mechanism side plates, and a feeding barrel is fixedly connected to the middle of the front side of the feeding barrel connecting plate. By arranging the liquid food discharging mechanism and the liquid food feeding mechanism, accurate, quantitative, safe and comfortable feeding of liquid food for a patient is achieved, by means of an ingeniously-designed mechanical structure and an electronic control system, different kinds of liquid food can be automatically switched, it is ensured that the patient obtains balanced nutrition intake, and meanwhile the effect that the patient can take the liquid food in a balanced mode is achieved. By controlling the feeding speed of the liquid food, the liquid food is prevented from being blocked in the pipeline.

The invention relates to the technical field of new energy automobiles, in particular to a rapid software configuration method and system for an electronic control system of a new energy automobile, and the method comprises the steps: generating a unified configuration file according to a demand, and storing the configuration file with a unified tail name; loading the configuration files on upper computers of different operating system platforms, and loading data information in the configuration files; the upper computer is in wired connection or wireless connection with a target programmable processor needing to be configured, and whether the connection is successful or not is confirmed; if the connection is confirmed to be successful, quickly configuring software parameters of the target programmable processor through the upper computer according to the loaded configuration file; after configuration is completed, feedback data of the target programmable processor are obtained through the upper computer. According to the method, the software of the electronic control system of the new energy automobile can be rapidly configured, and the actual configuration requirement can be better met.

A bottom-module-type stacker and an assembly method therefor. The stacker comprises a bottom module. The bottom module comprises a fixed-height column (2) and a variable-height column (10). The fixed-height column (2) is perpendicularly connected to a bottom frame (1), and the fixed-height column (2) is provided with a lifting / lowering platform (3) moving up / down along the fixed-height column (2). The lifting / lowering platform (3) is provided with forks (4) for storing and retrieving materials, and the lifting / lowering platform (3) is driven by a lifting / lowering driving device (5). The top of the bottom module is provided with a top beam (6). The bottom frame (1) is further provided with an electronic control system device (7). Main components of a stacker are integrated into a bottom module, allowing for integral mounting and debugging in a factory, and integral hoisting on site, thereby improving quality controllability, and improving the quality and efficiency of on-site implementation.

The invention discloses a ship lift main lifting mechanism debugging system, which comprises a real-time data monitoring module used for carrying out real-time monitoring and analysis on electric signal delay transmitted in the operation process of a ship chamber positioning electric control system and carrying out classified recording and reporting on obtained delay information; and the ship chamber carrying state test module is used for acquiring cooperative operation parameters among the linkage power systems when the ship chamber is in different load and travel states, comparing and analyzing the cooperative operation parameters with preset rated parameters of the system, generating corresponding feedback data according to a comparison result, and reporting the feedback data. According to the debugging system for the main lifting mechanism of the ship lift, data of the main lifting mechanism of the ship lift in the operation process are collected, the collected data are processed, error data are reported and processed, good operation of the main lifting mechanism of the ship lift is guaranteed, and the debugging efficiency of the main lifting mechanism of the ship lift is improved. And the problem of channel blockage caused by ship retention due to faults in the operation process is avoided.

The invention provides a braking control method and device, electronic equipment and a storage medium, and relates to the technical field of vehicle braking. The brake control method comprises the steps that when a brake signal is detected, a target brake pressure curve is generated, and the target brake pressure curve comprises brake pressure curves corresponding to a pressure building stage, a pressure maintaining stage and a pressure releasing stage respectively; and the front wheel brake pressure of the vehicle is controlled according to the target brake pressure curve. According to the method, the pedal operation rule that an experienced driver quickly treads and raises and lifts in the braking process can be converted into an objective control model which can be stably executed by an electronic control system, a basis is provided for subsequent refinement and self-adaptive control, and therefore conditions are created for improvement of braking comfort on the premise of not depending on additional hardware.

The invention relates to the technical field of driving and anchoring all-in-one machines for roadway driving of an underground coal mine driving working face, and aims to solve the problems that a complex and burdensome electric control system is formed by a plurality of electric elements and connecting lines, the intelligent automation degree between different control loops is low, and the normal work progress and economic benefits are influenced. According to the digging and anchoring all-in-one machine electric control system and method, a CAN bus serves as a communication mode, a main controller program is provided with an error detection mechanism, the working state of an element can be judged and a fault point can be determined rapidly according to read data of the element, the intelligence and automation of control over the digging and anchoring all-in-one machine are effectively improved, and the working efficiency of the digging and anchoring all-in-one machine is improved. A large amount of element arrangement space can be saved, the total wiring amount can be reduced, and the troubleshooting efficiency of a user can be effectively improved.

This invention provides a fuzzy inference method and system for the initial phase of a low-speed engine crankshaft. The method includes: constructing an angle measuring device; calculating the state of each magnetic induction sensor in each phase interval based on the angle measuring device to form a state list; acquiring the actual state of the magnetic induction sensor and comparing it with the state list to obtain the phase interval corresponding to the actual state; and calculating the initial phase of the low-speed engine crankshaft, thereby realizing fuzzy inference of the initial phase of the low-speed engine crankshaft. This invention, based on a combination of multiple magnetic induction sensors, determines the state of the sensors in each phase interval to form a state list, compares and matches the actual state of the sensors with the state list to obtain the phase interval, and calculates the initial phase of the crankshaft, thus realizing fuzzy inference of the initial phase of the crankshaft. This is used to determine the initial phase angle of the crankshaft of an electronically controlled diesel engine after the system is powered on, so that the electronic control system can obtain the initial crankshaft position before the initial start control of the diesel engine.

A control method for an electronic control system of a flexible fuel engine. The method comprises: on the basis of current operating condition information of a vehicle, determining a target scene that the vehicle currently satisfies (S101); determining a target control strategy for a low-pressure oil supply system corresponding to the target scene, and controlling the low-pressure oil supply system according to the target control strategy, so as to acquire an observed flexible fuel ratio value collected by means of a flexible fuel ratio sensor (S102); acquiring a historical flexible fuel ratio value related to ratio calibration performed in the target scene (S103); and on the basis of the historical flexible fuel ratio value and the observed flexible fuel ratio value, determining a current flexible fuel ratio value of the vehicle (S104). Further provided are a control apparatus for an electronic control system of a flexible fuel engine, and an electronic device, a computer-readable storage medium, a computer program product and a vehicle.

This invention discloses a plug-in independent power supply hybrid power system for aircraft, which can be installed in situ without altering the original aircraft's core structure. The system employs an external independent power battery module, a small-power engine generator, and a small battery module to form a "three-level independent redundant power architecture," with each unit's power supply circuit electrically isolated from the others. The external independent power battery only charges on the ground and discharges unidirectionally during flight, without energy recovery or reverse charging. It only replaces all functions of the flight control system and electronic control system when the engine and small battery fail. The small-power engine does not participate in takeoff and climb, but is dedicated to cruise power supply. The small battery is responsible for powering the flight control system, electronic control system, and engine starter, sharing a high-voltage DC bus with the generator to achieve bus voltage stabilization and short-term power compensation. Ground charging simultaneously performs a full system self-check. When the battery power is insufficient or the test fails, there is no manual bypass, and the electronic control system is forcibly locked, prohibiting engine starting and ensuring absolute flight safety.

Portable tool 100 includes a work shaft 2, an electric motor 3, a reducer 6, an electronic control system 7 having actuators 5, 5′, a memory 8 in which a calibrated correlation between the working torque or force M of tool 100 and the corresponding current I absorbed by electric motor 3 is stored, a motor module 14 including a motor housing 15 that houses electric motor 3 and an electric motor electronic control board 16, a reducer module 17 including a reducer housing 18 that houses reducer 6, a handle module 19 including a support structure 20 forming a gripping handle 21, and a control panel 22 including a panel housing 23 that supports a user interface 10 including a display 24 and a parameter selection member 11. Motor housing 15, reducer housing 18, support structure 20, and panel housing 23 are separate components that are individually self-supporting and reversibly connectable to each other to form tool 100.

This application relates to the field of permanent magnet motor technology, and provides a method and apparatus for detecting demagnetization of a permanent magnet motor. The method includes: controlling the motor winding inductance of the permanent magnet motor to perform energy interaction; acquiring the excitation current component of the permanent magnet motor during energy interaction; acquiring the local d-axis inductance of the permanent magnet motor during energy interaction based on the excitation current component, its current amplitude, and the d-axis drive voltage of the permanent magnet motor; determining the state of the permanent magnet motor based on the d-axis inductance; wherein the current amplitude is determined based on the excitation current component and its current offset; the state includes a demagnetized state or a non-demagnetized state. The demagnetization detection method for permanent magnet motors provided in this application can realize the demagnetization detection of permanent magnet motors using existing hardware in the electronic control system, without the need for additional hardware, thus making the demagnetization detection of permanent magnet motors more convenient.

A system includes an engine including a combustion cylinder; a fuel filling system includes a fuel rail configured to receive a gaseous fuel mixture from a fuel supply, a fuel injector in operative communication with the fuel rail and a combustion cylinder, and a pressure sensor system operatively coupled with the fuel rail and configured to provide an output indicative of a fuel pressure of the fuel rail. An electronic control system is in operable communication with the fueling system and controls an opening time of the plurality of fuel injectors to provide injection of the gaseous fuel mixture, determines fueling control parameters in response to an output of the pressure sensor system, a fueling control parameter is varied in response to a change in average molecular mass of the gaseous fuel mixture, and an injector operating parameter is adjusted in response to a change in the fueling control parameter.

A process includes operating an electronic control system to control operation of an engine system. The operating includes operating the engine at an engine speed and an EGR fraction and the turbocharger within a steady state speed limit, in response to the engine speed and the EGR fraction, setting an actuator limit on position of the turbine actuator, and in response to a change in one or both of the speed of the engine and the EGR fraction, proactively adjusting the turbine actuator according to the actuator limit prior to an increase in turbocharger speed, the adjusting limiting turbocharger speed overshoot relative to a speed limit.

This invention discloses an electrically controlled cargo box heating device, method, and mining dump truck, including a heating box, a smoke baffle assembly, an electronic control device, a sealing pipe, an exhaust tailpipe assembly, and a cargo box. The heating box includes a box panel, a smoke baffle slide, an electronic control bracket, an air inlet, an exhaust outlet, and a heating outlet. The electronic control device includes a control unit, an electric push rod, and a lifting cylinder. This invention uses an electronic control system to reverse the engine exhaust during cargo box lifting and lowering, utilizing the high-temperature exhaust gas from the engine to heat the cargo box, achieving waste gas reuse and solving efficiency and safety issues caused by frozen cargo box materials in low-temperature environments. The simple mechanical structure ensures stable reliability, and the electronic control system ensures the orderly operation of each component. Operating the cargo box while disconnecting the heating channel for normal exhaust avoids cargo box blackening and carbon dust dispersion, ensuring a good vehicle appearance and driving environment while heating the cargo box.

A foot support system for footwear (2180) includes: (A) a foot support bladder (1710); (B) a fluid storage chamber (1720); (C) a pump (1730) including an inlet (1734) and an outlet (1732) that supplies fluid to the foot support bladder (1710); and (D) a first fluid line (1760) that stores the fluid. The chamber (1720) is in fluid communication with the inlet (1734) of the pump (1730); (E) a second fluid line (1766) that is in fluid communication with the foot support bladder (1710) and the fluid storage chamber (1720); and (F) an electronic control system (2102) configured to change the second fluid line (1766) between an open configuration and a closed configuration. In other examples, a foot support system for footwear (2180) includes: (A) a foot support bladder (400); (B) a fluid reservoir (500); (C) a pump (550) including an inlet (554) and an outlet (552) supplying fluid to the fluid reservoir (500); (D) a first fluid line (402) fluidly communicating the foot support bladder (400) with the inlet (554) of the pump (550); (E) a second fluid line (504) fluidly communicating the foot support bladder (400) with the fluid reservoir (500); and (F) an electronic control system (2102) configured to change the second fluid line (504) between an open configuration and a closed configuration.

The disclosure relates to an electronic control system, device, and method. Specifically, according to the disclosure, an electronic control device comprises a transceiver receiving, from a sensor, raw data and a first error detection result obtained by performing a first error detection logic on the raw data, a detector obtaining a second error detection result by performing a second error detection logic on the raw data, and a comparator determining whether a sensor channel included in the sensor is faulty based on the first error detection result and the second error detection result.

The application discloses a shipping mode automobile electric control system, a battery module of a storage battery is provided with a main power supply circuit, the main power supply circuit supplies power for a vehicle-mounted electric load, a MOS tube is connected in series on the main power supply circuit, a MOS control module is arranged in the storage battery, the MOS tube is controlled to be turned on and turned off by the MOS control module, and the MOS control module is connected with a chip MCU in communication. The application controls the power supply of the existing battery through a power supply management and control (L-BMS), the L-BMS can control the power supply through the MOS tube, the simple physical power-off action is cancelled, the space for opening the hatch cover is reduced, the number of ferry transported automobiles is increased, the operation is simple, the cost is low, and the safety is high.

The invention discloses a dual-fuel single-cylinder engine combustion system based on water spraying-EGR cooperative control and a control method of the dual-fuel single-cylinder engine combustion system, and belongs to the technical field of engines. A dual-fuel single-cylinder engine combustion system based on water spray-EGR cooperative control comprises a hydrogen direct injection system, a diesel injection system, an air inlet channel water spray system, a turbocharging system, an EGR system and an electric control system, and a high-pressure water pump of the water spray system is connected with an air compressor of the turbocharging system through a coupler; the system further comprises an exhaust water circulation system, the exhaust water circulation system comprises a water-steam separator, the water-steam separator is connected to an engine exhaust pipeline, and the water separation end of the water-steam separator is connected with the water tank through a pipeline. One end of the EGR system is connected to an engine exhaust pipeline behind the water-steam separator, and the other end of the EGR system is connected to an engine air inlet pipeline in front of the air compressor. And the ECU performs water spraying-EGR cooperative control according to the working condition of the engine.

A rapid formaldehyde content detection device for hair products, relating to the field of formaldehyde detection technology, is used to achieve rapid and accurate detection of formaldehyde in hair products while meeting the requirements of convenience. The rapid formaldehyde content detection device for hair products includes a housing, an optical detection system, a sample processing system, an electronic control system, a software system, and a transparent detection tube. The housing is rectangular, with three drawer-style compartments inside: the upper compartment is the optical detection system compartment, the middle compartment is the electronic control system compartment, and the lower compartment is the sample processing and storage compartment. Shock-absorbing rubber pads and metal supports are installed between the optical detection system compartment and the electronic control system compartment, and between the electronic control system compartment and the sample processing and storage compartment. The bottom of the housing has binding straps for securing it, and the side of the housing has an openable transparent observation window. The optical detection system includes a laser light source module, a spectral collection component, and a detector. The sample processing system includes a sample stage, auxiliary devices, and a transparent detection tube.

A test system and method for medium-resistance performance of aero-engine piping. The test system comprises an electronic control system, a delivery device, a working cavity, test piping, a waste liquid tank / storage device, a fuel oil source, a temperature‑controlled oil source, and an air source / air pump; the delivery device is connected to the working cavity; the working cavity is connected to the test piping; the test piping is connected to the waste liquid tank / storage device; the fuel oil source is communicated with the working cavity; the temperature‑controlled oil source is communicated with the working cavity; the air source / air pump is connected to the working cavity; an overflow port is formed at the working cavity through a pipe; and a pressure sensor is provided on the working cavity. The test method is used for testing the medium-resistance performance of the aero-engine piping, which can simulate various environments such as high temperature and high pressure, high temperature and normal pressure, high temperature and low pressure, normal temperature and high pressure, and normal temperature and low pressure in the aero-engine piping, thereby comprehensively testing the medium-resistance performance of the aero-engine piping. Compared with conventional test methods, the test method is more efficient and stable, and can achieve greater economic benefits.

This invention provides a self-inspection control method, device, and server for vehicle production and maintenance, relating to the technical field of the automotive industry. The method includes: when the power supply to an ordered vehicle is detected to be on, connecting an information domain controller to the vehicle's manufacturing execution system (MES) based on a key sent by a vehicle networking service platform; sending vehicle information provided by the MES to the information domain controller, enabling the information domain controller to perform a self-inspection process to prevent errors in the vehicle's electronic control system; after the self-inspection of the vehicle's electronic control system passes, switching the information domain controller to production mode and using an electronic inspection program and a set of external cameras to perform a production self-inspection process on the vehicle's electronic control components and external equipment, so that the ordered vehicle can be delivered after the vehicle's production self-inspection passes. This invention can significantly improve the accuracy and efficiency of fault detection during vehicle production and maintenance.

The invention discloses a hybrid power well cementation electric control system architecture, which is mounted on a well cementation truck / pry, and comprises a power input module and three parallel power supply accesses: one engine is connected with a generator, and the generator is connected to a direct current bus through a first controllable rectifier; the two power batteries are connected to a direct-current bus through a direct-current feed unit; the third external power grid is connected to the direct current bus through the alternating current feed unit and the second controllable rectifier in sequence; the power output module comprises a DC / AC driver and a DC / DC power supply which are powered by a DC bus, and the DC / AC driver respectively drives a main drive motor and an auxiliary drive motor; and the control module comprises a PLC control system powered by a DC / DC power supply and an EMS management system in communication connection with each component, and the EMS management system regulates and controls the electric energy output proportion of the three power supply paths in real time. Compared with existing diesel-driven well cementation equipment, the diesel-driven well cementation equipment is high in integration level, high in equipment efficiency and high in electric / automatic degree.

A method, apparatus, device, and readable storage medium for testing the security layer of an electronic control system are disclosed, relating to the field of electronic control technology for new energy vehicles. Specifically, the method includes an electronic control unit (ECU) receiving a test data packet from a HIL simulator via a hardware interface. This data packet includes scenario-based extreme operating condition parameters, encrypted interference signals, encrypted sensor signals corresponding to the hardware to be interacted with, and encrypted abnormal signals. The ECU performs integrity verification and signal threshold judgment on the test data packet to obtain a first result, and generates control commands based on the first result. The ECU encrypts and digitally signs the control commands based on a preset security key to obtain a target control command, which is then sent to the HIL simulator via a communication bus. The HIL simulator decrypts the target control command, timestamps it, and verifies the digital signature to obtain a second result, and executes the target control command based on the second result, thereby achieving security layer testing of the electronic control system. This application can improve the realism and anti-interference capability of security layer testing of electronic control systems.

The invention provides a communication method and system for cooperative calling of multiple upper computers in an HIL automatic test, and the method comprises the steps: an automatic test module calls one or more upper computers in an upper computer unit in a unified manner through a console, and drives an HIL rack module and a tested electric control system module to complete a test action; the HIL rack module receives an instruction and signal simulation transmitted by the automatic test module, and transmits a simulation signal to the tested electric control system module; and the tested electric control system module receives an analog signal of the HIL rack module and an instruction transmitted by the automatic test module to complete the test.

A signal transmission circuit (10), comprising: an isolation module (20), a clamping module (30) and a receiving module (40), wherein the isolation module (20) is used for receiving a first differential signal, electrically isolating the first differential signal and then outputting a second differential signal, which comprises a second positive signal and a second negative signal; the clamping module (30) is connected to an output end of the isolation module (20), and is used for clamping common-mode levels of the second positive signal and the second negative signal on the basis of the second positive signal and the second negative signal; and an input end of the receiving module (40) is connected to an output end of the isolation module (30), and the receiving module (40) is used for demodulating the second differential signal and then outputting the demodulated second differential signal. The anti-interference capability of an application architecture can be improved, thereby ensuring that signals transmitted from a primary side to a secondary side are normal, and reducing the risk of damage to devices on the primary side and the secondary side. Further disclosed are a signal transmission system and an electronic control system.

This invention relates to the field of aerospace propulsion technology, and in particular to an oxygen-resistant Hall thruster electric propulsion system, comprising a Hall thruster, a radio frequency neutralizer, a power processing unit, a working propellant storage and supply system, and an integrated electronic control system. This invention establishes an electrical connection between the Hall thruster and the radio frequency neutralizer, directly connecting the collecting electrode to the negative terminal of a high-voltage power supply, eliminating the holding electrode and its independent power supply branch. Simultaneously, it combines a dual-path working propellant supply structure with oxidation-resistant conductive materials for the anode and collecting electrode. This allows the radio frequency neutralizer to rapidly establish a plasma electron source without the need for traditional hot cathode preheating. After the Hall thruster ejects the ion beam, electrons are automatically extracted based on the potential gradient. This not only reduces the complexity of the system's power supply structure and improves the discharge stability and electron compensation capability in low-purity working propellants and oxygen-containing environments, but also enhances the system's oxygen-resistant lifetime and rapid start-up performance in low Earth orbit oxygen-rich environments.

The utility model discloses a meat boiling pot convenient for blanching, which comprises a rack, a meat boiling pot main body, a leakage cylinder, a turnover driving mechanism and a proximity switch, the proximity switch can collect signals of water control postures of the leakage cylinder and feed back the signals to the electric control system, and the electric control system suspends the action that the overturning driving mechanism overturns the leakage cylinder. According to the meat boiling pot convenient for blanching, water control can be paused in the discharging process, the leakage cylinder is fully utilized, and discharging is performed after water is drained.

Disclosed in the present application are a server cluster container and a containerized server cluster apparatus. The server cluster container in the present application comprises a container body, and a rack and an electronic control system, which are arranged in the container body, wherein the electronic control system comprises a power distribution cabinet, which is connected to servers borne on the rack. The containerized server cluster apparatus comprises the server cluster container and a plurality of servers, wherein the servers are arranged on the rack and are connected to the electronic control system. In the present application, the plurality of servers are containerized in the server cluster container to form the containerized server cluster apparatus, which has high-density deployment, high computational efficiency and high mobility.