423 results about "Electronic control unit" patented technology

A work vehicle includes an operator seat and a seat sensor configured to provide a first signal in response to presence of an operator seated in the operator seat. A pedestrian detection system includes an electronic controller operatively coupled with one or more sensors. The pedestrian detection system is configured to detect presence of a pedestrian in proximity to the work vehicle. A controllable switch device operatively coupled with the seat sensor and the pedestrian detection system. The controllable switch device is configured to provide a second signal to activate the pedestrian detection system in response to the first signal provided by the seat sensor.

This invention discloses an intelligent variable stiffness stabilizer bar system for vehicles. The system includes a stabilizer bar body made of shape memory alloy, a heating assembly, an electronic control unit, a vehicle attitude sensor, a temperature sensor, a power supply, and a relay. The stabilizer bar body is formed of a shape memory alloy with reversible phase transition properties, exhibiting different elastic moduli depending on the phase transition state. The heating assembly heats the stabilizer bar body to trigger the phase transition. The electronic control unit controls the heating assembly's start and stop based on the roll angle signal from the vehicle attitude sensor and implements temperature protection control based on the temperature sensor signal. The system can adjust the stabilizer bar stiffness according to changes in the vehicle's roll angle, thereby controlling the vehicle's roll response and improving the vehicle's anti-roll capability and driving comfort. This invention also discloses a vehicle.

The in-vehicle network system includes a first device, a second device, and a third device as electronic control units having a network management function. The first device transmits the periodic message. The second device performs a failure determination to determine that the first device has failed when the reception of the periodic message from the first device is interrupted. The third device has a partial network function. The first device transmits the standby notification to the second device when the first device shifts from the operation state to the standby state due to the fact that the operation notification is no longer received. When receiving the standby notification from the first device, the second device stops the failure determination for the first device.

This application provides an electronic control unit, an assembly method, and an electric power steering system. The electronic control unit, used in the electric power steering system, includes a connector and a circuit board assembly. The circuit board assembly includes a first circuit board and a second circuit board arranged in layers. The first circuit board is electrically connected to the connector. The first circuit board and the second circuit board are connected by a flexible circuit board for signal connection and by a power-supply connector for current connection. The control module of the electronic control unit is integrated on the first circuit board, and the filtering module, drive module, and position detection module of the electronic control unit are integrated on the second circuit board. This double-layer circuit board arrangement saves structural space of the control unit with redundant design and also improves its assembly efficiency.

Disclosed are systems and methods for motor control using optimal efficiency reference generation. An electronic controller can determine current values of a motor in a rotating reference frame. Each current value can be associated with a dimension of a set of dimensions of the rotating reference frame. The electronic controller can further determine flux linkage values for each dimension of the set of dimensions of the rotating reference frame based on the current values using an optimization cost function that accounts for motor speed, copper loss, and core loss. The electronic controller can further determine target flux linkage values for each dimension of the set of dimensions of the rotating reference frame. The electronic controller can then control a power switch network coupled between a power source and the motor based on the flux linkage values and the target flux linkage values.

This disclosure relates to a system (106) and a method (300) for blockchain-based root cause analysis of faults in a vehicle (102). In response to fault detection, the system (106) receives one or more DTCs, time-series data, and fault-related metadata from an electronic control unit (104). The system (106) generates one or more blocks (110) based on the received DTCs, time-series data, and metadata. The blocks (110) are sequentially added to a blockchain ledger (116), where they are validated to form a chain. The system (106) receives an update signal configured to address a root cause of the faults. This update signal is determined based on a root cause analysis of the chain formed by the validated blocks (110) in the blockchain ledger (116).

The application discloses a fire extinguishing system based on a water tank of a mine truck and a fire extinguishing control method. The system comprises a double-cavity water tank divided into a clean water cavity and a fire extinguishing agent cavity by a partition, a sensor group, a working condition data acquisition module, a proportional mixing module, a conveying pipeline, a water spraying component and a vehicle-mounted electronic control unit. The vehicle-mounted electronic control unit integrates a thermal accumulation pre-judgment algorithm, a temperature rise trend gradient algorithm and a multi-sensor confidence weighted fusion decision algorithm. The thermal accumulation risk is identified and a pre-warning or pre-cooling instruction is output before the temperature reaches a fire determination threshold. After the fire is confirmed, the proportional mixing module is controlled to dynamically adjust the mixing ratio of clean water and fire extinguishing agent according to the fire type, and the corresponding area nozzle is driven to implement zoned linkage and pulse jet fire extinguishing. The electric control valve and the mechanical emergency valve are arranged in parallel at the outlet of each cavity, and the fire extinguishing can be manually started when the electronic control fails.

The present application is to implement a temperature raising process for any one of a plurality of exhaust purification devices provided in an exhaust passage, without causing the temperature of other exhaust purification devices to excessively rise. An electronic control unit implements a temperature raising process for raising the temperature of a filter by delaying the ignition timing in an engine in which a catalyst and the filter are provided in an exhaust passage. Furthermore, the electronic control unit implements a prediction process for predicting a convergence value, i.e., a reaching temperature, of the temperature of the catalyst in the case where the engine is continued to be operated under the current operating conditions while the temperature raising process is implemented, and an adjustment process for adjusting the amount of delay of the ignition timing to the side of suppressing the temperature raising of the filter in the case where the reaching temperature predicted in the prediction process exceeds a predetermined upper limit temperature.

The application discloses an engine cold start system and method based on AMT clutch control and belongs to the technical field of vehicle control systems. The system comprises an engine assembly, an engine electronic control unit ECU, an AMT automatic transmission assembly, an automatic transmission electronic control unit TCU, a clutch assembly and a cold start signal input assembly; the output end of the engine assembly is in transmission connection with the clutch assembly, and the clutch assembly is in transmission connection with the input shaft of the AMT automatic transmission assembly; the engine electronic control unit ECU is electrically connected with the engine assembly and the cold start signal input assembly respectively, and the automatic transmission electronic control unit TCU is electrically connected with the AMT automatic transmission assembly and the clutch assembly respectively; the engine electronic control unit ECU and the automatic transmission electronic control unit TCU exchange messages through the vehicle CAN bus to control the separation of the clutch assembly, reduce the flywheel end load of the engine and realize engine cold start control.

This invention relates to the field of accelerator technology for new energy vehicles, and discloses an idle speed anti-slip elastic positioning electronic accelerator pedal assembly, including a fixed base installed in the vehicle. An electronic control unit for intelligent control is disposed on the surface of the fixed base. A rotating shaft support is fixed to the surface of the fixed base, and a pedal arm is rotatably disposed on the surface of the rotating shaft support. A foot pedal surface is fixed to the surface of the pedal arm. In use, this invention employs a "lock-off when stationary, unlock-off when moving" control logic. Through active detection of the vehicle speed signal, the viscosity of the magnetorheological fluid increases when the vehicle speed is zero, applying locking damping to the pedal arm. This physically filters out minor interferences, avoiding unexpected starting problems when the vehicle is stationary, such as accidental touch by children, sensor signal jitter, or unintentional light touch by the driver. It can restrict the pedal arm at idle or stationary speeds, achieving the purpose of preventing idle speed slippage.

The application discloses a kind of based on two-dimensional coupling chaos vehicle CAN bus lightweight security communication method, belong to vehicle network security communication technical field.This method is applied to the layered vehicle network including gateway electronic control unit GECU, domain control unit DCU and electronic control unit ECU, including four stages of system initialization, identity authentication, key distribution and secure communication.Through two-dimensional coupling chaotic mapping, random challenge value, authentication random quantity and chaotic seed are generated, and combined with global round parameter epoch and domain key evolution parameter rand, a layered key management mechanism is constructed to realize the local derivation of inter-domain and intra-domain shared session keys.The sending node uses the shared session key to perform lightweight encryption and authentication on the service data, and encapsulates the ciphertext and authentication tag in the same CAN message for transmission.This method improves the communication performance of vehicle CAN bus without significantly increasing communication overhead and computational overhead.

The application discloses an ammonia-hydrogen internal combustion engine knock suppression system and a knock suppression method, and belongs to the technical field of internal combustion engine combustion control. The suppression system comprises an ammonia gas supply unit, a hydrogen gas supply unit, a cylinder pressure sensor, a pressure sensor and an electronic control unit. The ammonia gas supply unit realizes ammonia gas supply in a cylinder. The hydrogen gas supply unit realizes hydrogen gas supply in the cylinder. The cylinder pressure sensor is used for monitoring the pressure in the cylinder in real time and calculating CA50. The pressure sensor is used for monitoring the knock intensity of the cylinder. The electronic control unit is electrically connected with the ammonia gas supply unit, the hydrogen gas supply unit, the cylinder pressure sensor and the pressure sensor respectively, is used for receiving sensor signals, calculating ammonia energy (AER) and knock intensity (KI), controlling the ignition time and dynamically adjusting the ammonia mixing ratio, realizing the collaborative optimization of knock suppression and thermal efficiency, and achieving the win-win effect of "knock suppression" and "efficiency increase".

A method of displaying a plurality of user inputs in a vehicle includes identifying a display timing criteria and a display component for each of the plurality of user inputs; developing a redundancy plan that includes an alternate display component for at least one of the plurality of user inputs; assigning a display priority for each of the plurality of user inputs based on the display timing criteria; ranking each of the plurality of user inputs according to the respective display priority to thereby develop a prioritization scheme; and displaying the plurality of user inputs in the vehicle according to the prioritization scheme and the redundancy plan. A vehicle includes a plurality of display components and a system having a communication bus and a plurality of electronic control units in communication with the plurality of display components via the communication bus.

This disclosure provides systems and methods for wireless communication that support enhanced in-vehicle network (IVN) configuration operations. In a first aspect, a vehicle includes a plurality of IVNs of an IVN system with a plurality of sensors and a plurality of electronic control units (ECUs), at least one processor, and a memory coupled to the at least one processor. The at least one processor is configured to cause the vehicle to: obtain IVN configuration information corresponding to a particular IVN system configuration; configure one or more sensors of the plurality of sensors, one or more ECUs of the plurality of ECUs, or both, for unicast and groupcast wireless communications based on the IVN configuration information; and wirelessly transmit via the one or more sensors or the one or more ECUs using the particular IVN system configuration. Other aspects and features are also claimed and described.

The utility model discloses a kind of flexible circuit board, control equipment and vehicle. Among them, the flexible circuit board includes: multiple ports, different ports are connected with different electronic control units;Multiple conductive layers, multiple conductive layers are stacked, and at least one conductive layer is provided with via hole;Multiple wires, different wires are used to connect two different ports, and any wire is disposed in the same conductive layer in multiple conductive layers, or using via hole, disposed in different conductive layers in multiple conductive layers.The utility model solves the technical problem that the wire connecting different electronic control units occupies more space in the related art.

A vehicular vision system includes a camera disposed at a vehicle equipped with the vehicular vision system and viewing exterior of the vehicle, the camera capturing image data. The system includes an electronic control unit (ECU) with electronic circuitry and associated software. The electronic circuitry of the ECU includes an image processor for processing image data captured by the camera to detect presence of objects within a field of view of the camera. The vehicular vision system, at least in part via processing at the ECU of image data captured by the camera, detects edges of an object. The vehicular vision system, based at least in part on the detected edges of the object extracts lines representative of the detected edges and performs slope-based validation of the extracted lines. The vehicular vision system determines corners of the object by determining intersections of the validated extracted lines.

The present invention relates to a diamond NV center-based educational quantum experiment device. The device may include: a main body having an upper housing and a lower housing; an optical experiment unit which is installed in the upper housing and by which a diamond NV center-based quantum experiment is performed; and an electronic control unit which is installed in the lower housing and controls the diamond NV center-based quantum experiment performed by the optical experiment unit, wherein multiple optical experiment components constituting the optical experiment unit are detachably installed in the upper housing and are installed such that the installation positions thereof are changeable. Through this, a quantum basic experiment is possible even without a low-temperature device or a large experimental space by using the diamond nitrogen vacancy as the qubit.

1. Name of the product in this design: Electronic Controller for Turbojet Engine (ECU). 2. Purpose of this design: To control engine starting, acceleration, deceleration, steady state and stopping according to input control commands, as well as to check the function of engine accessories (starter motor, oil pump, solenoid valve, igniter, etc.), store engine data, and cool the engine. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a thin product, so the left view is omitted; this design is a thin product, so the right view is omitted; this design is a thin product, so the top view is omitted; this design is a thin product, so the bottom view is omitted; this design is a thin product, so the perspective view is omitted.

An electronic control unit in which a plurality of workloads are identified from execution of a runtime application, where each identified workload is associated with a set of cache lines of a cache resource. A priority designation of the set of cache lines is determined based at least in part on a usage of the set of cache lines during an upcoming time interval. In examples, the usage is based at least in part on memory access operations that are expected to be performed by the plurality of workloads during the upcoming time interval.

This application provides a method, apparatus, electronic device, and medium for flashing an electronic control unit. The method includes: during the process of receiving firmware data, updating the hash value of the current segment to be flashed each time a data block is received; after the data reception of the current segment to be flashed is completed, performing signature verification on the current segment to be flashed based on the updated hash value to obtain a verification result; updating a segment flag according to the verification result and a preset flashing order, and continuing or ending the flashing process according to the segment flag, wherein the segment flag indicates the current flashing stage. This application improves the flashing success rate and efficiency while reducing hardware costs.

A steer-by-wire system is provided. The steer-by-wire system includes: a first powerpack having a first motor; a second powerpack having a second motor; and a steering rack operably coupled to the first motor of the first powerpack and the second motor of the second powerpack. The first powerpack further includes: a first electronic control unit (ECU) configured to control the first motor; and a first inverter circuit connected between the first ECU and the first motor. The first inverter circuit includes a plurality of first switches, and the first ECU is configured to dynamically adjust a state of the plurality of first switches based on an operating status of the plurality of first switches and an operating status of the first motor to reduce a first drag torque generated by the first motor.

A system for synchronously displaying measurement data includes at least one bus adapter, configured to obtain a plurality of pieces of measurement data from an Electronic Control Unit (ECU); at least one computer device, where the at least one computer device includes a processor, a display communicating with the processor to present a graphical interface, a readable storage medium, a communication bus and a communication interface; the processor, the readable storage medium and the communication interface communicate with the bus adapter via the communication bus; the readable storage medium is configured to store an instruction program; the processor is configured to, after the plurality of pieces of measurement data are obtained, execute the instruction program; the display displays, through the graphical interface, an interface in which at least one measurement data display window and / or a plurality of measurement data display windows perform synchronous display.

A controller-configurable input signal conditioning (C-CISC) circuit includes an input node, a first switch, a second switch, and a multiplexer which are operatively coupled with an output pin of a microcontroller. First and second signal conditioning branches of the C-CISC circuit are operatively coupled with an input node and a sensor signal input pin of the microcontroller controller via a first input and a second input of a multiplexer. The C-CISC circuit is configurable in response to a first output of the sensor selection output pin to provide an analog signal input received at the input node to the sensor signal input pin and configurable in response to a second output of the sensor selection output pin to provide a single edge nibble transmission (SENT) signal input received at the input node to the sensor signal input pin.

The present disclosure provides an electronic controller and a vehicle. The electronic controller comprises a mounting member including a first mounting portion and a second mounting portion; a connecting member including a first connecting portion and a second connecting portion, the first connecting portion being connected with the second mounting portion; an integrated circuit box including a first opening and an integrated circuit board, the first opening being in communication with an interior of the integrated circuit box, the integrated circuit board being accommodated in the interior of the integrated circuit box, the integrated circuit box being connected with the second connecting portion; a first elastic member being arranged between the first connecting portion and the integrated circuit box; and an air cooling assembly including a heat dissipation seat and an air cooling portion, the heat dissipation seat including a first air duct, the air cooling portion being accommodated in the first air duct, the air cooling portion being configured to generate an air flow to dissipate heat of the integrated circuit box. The electronic controller of the present disclosure can dissipate heat of the integrated circuit box by using the air cooling assembly, and can also protect the integrated circuit box by using the first elastic member when the electronic controller is shaken or impacted by external factors.

The present disclosure provides a vehicle electronic control unit information security debugging port encryption method and device, which identifies the byte sequence of the data in the electronic control unit debugging protection configuration area, and adaptively processes the debugging encryption configuration data and unlocking data based on the identification result, thereby improving the accuracy and consistency of the debugging port encryption configuration under different controller platforms, reducing the risk of manual configuration, improving the reliability and compatibility of the debugging interface authorization unlocking, and thus achieving the safety protection effect of the vehicle electronic control unit debugging interface.

Ultrasound emitting device for applying selective treatments to hypodermic tissue (adipose and connective tissue) in rejuvenation and / or body contouring processes, comprising an electrical pulse generator, an ultrasonic transducer (3), an electronic control unit (6) equipped with specific software that controls the frequency, voltage, and duty cycle of the pulse generator, and application means (4) for orienting and directing the acoustic field onto the area to be treated on the patient / user, wherein said transducer emits in each pulse an acoustic field with an energy density not exceeding 0.7W / cm2 and a minimum emission duration of 100ms. Preferably, the transducer emits either at a single frequency or in a frequency sweep, in a frequency range between 185 kHz and 333 kHz, and even more preferably at 244 kHz.

This invention discloses an online maintenance and overload control method for multi-source IDS alarm correlation tracing graphs in vehicles. Rule-based intrusion detection systems (IDS) are deployed in the vehicle host domain, vehicle Ethernet domain, and Controller Area Network (CAN) to generate alarms. At the vehicle gateway electronic control unit (ECU) side, multi-source alarms undergo event standardization, sliding time window buffering and waterline out-of-order tolerance, deduplication aggregation, and indexed candidate retrieval. Under the condition of satisfying alarm correlation judgment rules, a directed alarm tracing graph is incrementally constructed. By suppressing forks and overloads through in / out-degree limits, node / edge budgets, and priority pruning, combined with two-stage expiration recycling and tracking record solidification, stable alarm correlation and tracing are achieved under resource-constrained conditions. This method can be used for real-time tracing and offline forensic analysis on the vehicle side.

In the case that a vehicle is equipped with a shift-by-wire system configured to automatically shift a shift position to a parking position, at a time when a first predetermined condition is satisfied, a software updating system carries out a confirmation process to confirm with a user whether or not to approve the execution of a software updating process with respect to an electronic control unit that is provided in the vehicle, and in the case that the vehicle is not equipped with the shift-by-wire system, carries out the confirmation process at a time when a second predetermined condition that differs from the first predetermined condition is satisfied.

This invention discloses a low-emission combustion system and method for an ammonia engine with active control of dual reactive activity, comprising: an ammonia fuel engine and an electronic control unit. A jet ignition device and a liquid ammonia injector are disposed on the cylinder head of the ammonia fuel engine. The jet ignition device provides a jet ignition source to the main combustion chamber, and the liquid ammonia injector injects liquid ammonia fuel into the main combustion chamber. The electronic control unit is connected to the liquid ammonia injector, an air injector, a fuel injector, and a spark plug in the pre-combustion chamber, and is used to adjust the injection timing, number of injections, and injection quantity of the liquid ammonia injector based on at least one parameter among engine speed, load, cylinder pressure, intake state, and combustion phase, while simultaneously adjusting the air injection quantity, hydrogen injection quantity, and pre-combustion chamber ignition timing. The system actively controls the reactive activity within the combustion chamber through multiple injections of liquid ammonia, and simultaneously, through a control strategy, actively controls the combustion rate over a wide range.

An engine (11) includes pistons (71), cylinders, at least one fuel injector (61), spark plugs (239), and piston cooling jets (91). The engine (11) includes an Electronic Control Unit (232) configured to receive an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The Electronic Control Unit (232) is configured to determine a non-firing piston temperature, coolant temperature and combustion phase modifier, and firing piston temperature. The Electronic Control Unit (232) outputs a predicted piston temperature. A method includes housing pistons (71) in cylinders, supplying air, injecting fuel, combusting an air-fuel mixture, spraying engine oil, and receiving an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The method includes determining a non-firing piston temperature, coolant temperature modifier, combustion phase modifier, firing piston temperature, outputting a predicted piston temperature, and coordinating operations of the fuel injectors (61) and spark plugs (239).