493 results about "Electronic control system" patented technology

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 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 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 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.

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 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 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 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.

The invention discloses a self-propelled hydraulic riveting pump station which comprises a movable platform, a hydraulic power system and a control system. The moving platform comprises two groups of moving tracks which are independently driven by hydraulic motors and a platform of the moving tracks; the hydraulic power system is arranged on the moving platform and comprises a riveting hydraulic power system and a driving hydraulic power system; the riveting hydraulic power system and the driving hydraulic power system comprise eight hydraulic pumps in two groups directly driven by the same engine; wherein the two hydraulic pumps are connected in parallel to supply oil to a first hydraulic motor of a first driving oil way to drive a first moving crawler belt, the two hydraulic pumps are connected in parallel to the first driving oil way through a first electromagnetic reversing valve to enhance oil supply to the first hydraulic motor, meanwhile, the two hydraulic pumps are reversed through the first electromagnetic reversing valve to supply oil to a first riveter of a first riveting oil way, and the other set is the same; the control system comprises a wireless driving control system and an electric control system; the walking and riveting device meets various requirements of walking and riveting, can provide power for riveting of short-tail type pulling rivets, pulling-breaking type pulling rivets and the like, and is safe and reliable.

An attack analysis device acquires a security log generated by a security sensor mounted on each of a plurality of electronic control units configuring an electronic control system, sets a log package in which a plurality of the security logs are packaged, estimates an attack received by the electronic control system based on the log package, and outputs attack information indicating the estimated attack.

The invention discloses an unmanned engineering machinery steer-by-wire system and a control method in the technical field of vehicle chassis and steering systems. The unmanned engineering machinery steer-by-wire system comprises four wheels and steering modules, wherein the steering modules are in one-to-one correspondence with the four wheels, are completely independent and have the same structure; the corner deflection of the four wheels is cooperatively controlled through a distributed electronic control system; and each wheel is driven by a hub motor. Through four-wheel steering, the minimum turning radius can be 0 m, the trafficability in narrow roadways, sidewalks and obstacle dense areas is improved, meanwhile, four-wheel steering is independently controlled, special movement forms such as transverse translation and oblique advancing are supported, and the four-wheel steering robot is particularly suitable for high-precision operation requirements such as urban road edge stone attaching and sweeping; four-wheel independent main pin steering is combined with a hub motor and distributed redundancy control, so that the reliability, the function safety and the maintainability of the system are remarkably improved, and the system is particularly suitable for unmanned engineering machinery to work for a long time in narrow, complex and severe environments.

The invention discloses an automobile engine multi-mode electronic control system and a control method thereof, and particularly relates to the technical field of automobile engine multi-mode electronic control, the system comprises a sensor module, a mode switching module, an execution control module and a diagnosis module, the sensor module collects parameters such as rotating speed and air inlet pressure in real time; the mode switching module judges four working conditions of idling, cruising, accelerating and pressurizing based on threshold logic; the execution control module calls strategies such as PID (Proportion Integration Differentiation) control and EGR (Exhaust Gas Recirculation) rate calculation aiming at different modes to realize accurate adjustment of parameters such as throttle opening and boost pressure; the diagnosis module monitors faults of the sensor and the actuator in real time through voltage out-of-limit detection, position deviation comparison and temperature correlation analysis.

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.

The passenger car pneumatic motor system comprises an air compressor, an air storage tank and an air using module, the air compressor is connected with the air storage tank and the air using module through a distribution valve set and supplies air to the air storage tank and the air using module, a distribution valve is connected with a plurality of pneumatic motors, and the pneumatic motors are used for driving a vehicle-mounted execution module to work. A power source used for driving the executing mechanism to operate is replaced by the pneumatic motor from a common electric motor, the vehicle-mounted air supply unit is used for supplying air to the pneumatic motor, on one hand, compared with the electric motor, the pneumatic motor can achieve system control through a simple flow control valve, a complex electronic control system does not need to be arranged, and the cost is reduced. The structure is simpler, the subsequent maintenance cost is lower, the purchase cost is also reduced compared with that of an electric motor, the cost for operating the execution unit can be effectively reduced, and the requirement for light weight of the vehicle is better met; and on the other hand, the multiple executing mechanisms can share one gas supply unit, the utilization rate of the gas supply unit is increased, and the applicability is high.

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.

The invention discloses a power device and an electric control system, and relates to the field of electronic power, and the device comprises a first power module, a second power module, a bottom plate, an input terminal, a first output terminal, a second output terminal, and a preset number of ceramic chips. The first power module comprises a preset number of first chip sets, and the second power module comprises a preset number of second chip sets; the ceramic chips are respectively arranged on the bottom plate, the first chip group and the second chip group which are the same in phase are arranged on the same ceramic chip, the first chip groups are respectively arranged on different ceramic chips, the second chip groups are respectively arranged on different ceramic chips, and the first chip group and the second chip group in the same ceramic chip are connected in parallel; the input end of each first chip set and the input end of each second chip set are connected with the input terminal, the output end of each first chip set is connected with the first output terminal, and the output end of each second chip set is connected with the second output terminal. The problem of low power density is solved.

A system comprises an engine comprising a plurality of cylinders, a gas refueling system comprising a plurality of sets of gaseous fuel injectors, each of the plurality of sets being capable of being operated to supply fuel to a corresponding cylinder of the plurality of cylinders, each of the plurality of sets comprising at least two gaseous fuel injectors, and an electronic control system operationally linked to the gas refueling system.The electronic control system is configured to: determine whether fewer than all injectors of a set should be used to supply fuel to a particular cylinder, determine at least one injector command to operate fewer than all injectors of the set to supply fuel to the particular cylinder, and execute the at least one injector command to supply the particular cylinder with fewer than all injectors of the set.

The present application relates to a kind of diesel engine electronic control system hardware PCB power supply function model calibration and identification method, this method is in the process of traditional mature PCB performance simulation commercial software to PCB is carried out performance evaluation, the concept of diesel engine electronic control system hardware PCB power supply function model is established, the model parameter class is reasonably divided, then on this basis, the calibration method that can effectively improve model precision is proposed, and the identification method that can verify model precision is correspondingly given.The proposed method breaks through the present situation that simulation precision is difficult to control in the traditional PCB performance evaluation process, and forms a scheme that can guarantee model precision by means of the two main links of calibration and identification.Its contribution lies in establishing the bridge between traditional commercial software simulation and equipment digital prototype construction, and it is an important part of diesel engine electronic control system digital prototype construction.

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.

The utility model discloses an I2C slave controller, an electronic device and an electronic control system, and the I2C slave controller comprises a counting module which is used for recording the number of transmitted bytes generated during an I2C message period; the byte configuration module is used for configuring the total number of bytes of data required by communication with the host equipment at the time; the processor is connected with the counting module and the byte configuration module, and the processor is used for transmitting communication data between the I2C slave controller and the host equipment until the number of transmitted bytes recorded by the counting module reaches the total number of data bytes, and then communication with the host equipment is terminated. By adopting the I2C slave controller, the problem of byte transmission limitation of the I2C slave controller during an I2C message period due to cache limitation can be effectively solved, the complexity of software design is avoided, and the manufacturing cost is lower.

The invention discloses self-adaptive walking modular anchoring and excavating integrated equipment, which belongs to the field of excavating and anchoring intelligent equipment for hard rock anchor rod construction in mountainous areas and structurally comprises a self-adaptive walking chassis, a frame assembly, a drilling machine module, an excavating module, a power assembly and an electric control system. The self-adaptive walking chassis provides the equipment with the walking capacity adapting to the rugged ground. The drilling machine module and the excavating module are installed at the two ends of the frame assembly correspondingly, so that the equipment has the anchoring capacity and the pavement cleaning bearing platform excavating capacity at the same time. The electric control system carries out automatic electric operation on the equipment and can also carry out wireless remote control operation through the wireless communication module. Furthermore, the invention provides self-adaptive walking anchoring and excavating integrated equipment which is multifunctional anchoring and excavating equipment with a compact structure, modular installation and a self-adaptive walking chassis, the labor cost is greatly reduced, a wireless electric control system is easy to operate, and the safety of personnel is improved.