76 results about "Transmission control unit" patented technology

The invention provides a separation control method and device and a storage medium. The method comprises the steps that a gear shifting request sent by a gearbox control unit is received; the current fuel injection amount is detected; if it is detected that the current fuel injection amount is smaller than the preset fuel injection amount, the current remaining fuel amount and the current engine rotating speed are obtained; based on the current residual fuel quantity and the current engine rotating speed, the target moment is determined, and the target moment is the moment when the engine torque is reduced to the first preset engine torque; and the target interaction information is sent to the gearbox control unit, the target interaction information comprises the target moment, and the target moment is used for the gearbox control unit to control the clutch to be separated. According to the embodiment of the invention, the target moment is determined through the current residual fuel quantity and the current engine rotating speed, so that the problem of improper separation time caused by clutch separation based on the output torque under the condition that the output torque is inaccurate is avoided, and the accuracy of the clutch separation time is improved.

A vehicle speed control method, comprising: when an automatic parking system is operating, an automatic transmission control unit (100a) of a vehicle (100) entering an automatic parking operating condition in response to a torque output from an engine of the vehicle (100); under the automatic parking operating condition, the automatic transmission control unit (100a) acquiring a vehicle speed control signal of the vehicle (100), the vehicle speed control signal comprising a braking force signal or a throttle signal, the braking force signal being issued by an electronic stability system of the vehicle (100) under control of the automatic parking system, and the throttle signal being issued by an engine management system (100b) of the vehicle (100) under control of the automatic parking system; and the automatic transmission control unit (100a) controlling a clutch (100a1) of an automatic transmission of the vehicle (100) on the basis of the vehicle speed control signal, so that the vehicle speed of the vehicle (100) is maintained at a target vehicle speed corresponding to the automatic parking operating condition. A vehicle speed control apparatus, used for implementing the vehicle speed control method. A computer device, used for performing the vehicle speed control method. A computer-readable storage medium, used for implementing the vehicle speed control method. A computer program product, used for implementing the vehicle speed control method. Such a configuration ensures the accuracy of vehicle speed control and improves vehicle speed control performance.

A calorific value derivation system is provided with a gas supply facility having a first transmission control unit for transmitting gas component information to a center server, a center server having: an information calculation unit for calculating the gas component information of the gas supply facility, and a gas meter for calculating the gas component information of the gas supply facility; a calculation unit that calculates fuel gas heat relationship information indicating a relationship between a characteristic of the fuel gas and a heat generation amount on the basis of the fuel gas component information, and recalculates the fuel gas heat relationship information in accordance with a change in the fuel gas component information; and a second transmission control unit that transmits the gas heat relationship information to a gas meter, the gas meter having: a flow rate measurement unit that measures the flow rate of the gas on the basis of the characteristics of the gas; a heat coefficient calculation unit that calculates a heat coefficient on the basis of the gas heat relationship information; a calorific value acquisition unit that acquires instantaneous calorific values on the basis of the flow rate of the fuel gas and the calorific value coefficient, and that acquires the calorific value of the fuel gas by integrating the instantaneous calorific values at predetermined time intervals; and a third transmission control unit that transmits the flow rate and the heat generation amount to the center server.

The invention discloses a longitudinal driving method and device for automatic parking of a traditional fuel vehicle, the vehicle and a medium, a transmission control unit (TCU) is actively introduced into a control loop of a parking working condition, two interfaces of a longitudinal control signal and a target creeping speed are introduced to be respectively sent to an IPB and the TCU, and a staged arbitration mechanism is introduced into an engine controller (EMS), so that the automatic parking of the traditional fuel vehicle is realized. Smooth starting of the vehicle is ensured, backward sliding and accurate following of the target crawling speed are effectively prevented, and the common problems of unsmooth vehicle speed, rushing and the like in the automatic parking process of a traditional fuel vehicle are solved from the source.

A flexible printed circuit (112) for a gearbox control unit (102) of a commercial vehicle includes a body section (126) and an arm section (148). The arm section (148) is attached to the body section (126). The body section (126) includes a body mounting interface (150) for mounting the flexible printed circuit (112) to a bottom housing section (104) and / or a top cover (6) of a gearbox control unit (102). The arm section (148) includes an arm mounting interface (130) having at least one opening (132). The opening (132) is configured to receive a fastening device (134) arranged at a bottom housing section (104) and / or a top cover (6) of the gearbox control unit (102).

The invention relates to a method for converting a drive train (10) designed for an internal combustion engine (11) for a working machine to an electrically driven drive train (20) for a working machine, wherein the drive train (10) comprises an internal combustion engine (11), a continuously variable transmission (12), an internal combustion engine control unit (13), a transmission control unit (14) and a driving strategy control unit (15), wherein the internal combustion engine (11) is replaced by an electric motor (21) and the electric motor (21) is coupled to the continuously variable transmission (12) in a drive-related manner, wherein the internal combustion engine control unit (13) is replaced by an electric motor control unit (23) and the electric motor control unit (23) is coupled to the transmission control unit (14) in terms of data technology, and wherein the transmission control unit (14) and the electric motor control unit (23) are controlled by the driving strategy control unit (15) according to a drive requirement.The method according to the invention is characterized in that the electric motor control unit (23) is controlled by the driving strategy control unit (15) as if it were the combustion engine control unit (13).

The application discloses a control method for gear shifting of a hybrid vehicle. The method is applied to a transmission control unit (TCU) and comprises the following steps: in response to receiving a vehicle state being a braking state or a coasting state sent by a vehicle control unit (VCU), determining a first target torque value; based on the first target torque value, sending first and second torque control instructions to a first MCU and a second MCU respectively through the VCU every preset time interval; in response to receiving a difference between rotating speeds of an ISG motor and a clutch being within a preset speed difference range sent by the VCU, sending a rotating speed control instruction and a gear shifting instruction to the first MCU and the second MCU respectively through the VCU; and in response to receiving a TM motor gear shifting completion instruction sent by the VCU, based on the first target torque value, sending third and fourth torque control instructions to the first MCU and the second MCU respectively through the VCU every preset time interval. The method can ensure the smoothness of driving during gear shifting.

To enable an order receiver to determine whether to start a process for manufacturing a print product even when a part of specifications of the ordered print product is not determined.SOLUTION: In the control unit 11 of the management server 10 constituting the information processing system, the acquisition unit 111 acquires the confirmed information on the confirmed specifications and the unconfirmed information on the unconfirmed specifications as the information on the specifications of the print product to be manufactured, and the transmission control unit 115 transmits the control information for displaying the confirmed information and the unconfirmed information on the screen for managing the processes related to the manufacturing of the print product displayed on each of the sales terminal and the manufacturing terminal in a mode in which the confirmed information and the unconfirmed information can be distinguished for each process.SELECTED DRAWING: Figure 3

The invention relates to the technical field of tractor power systems, in particular to a hybrid power tractor power matching system capable of considering working condition adaptability. An ECU, a storage battery management unit, a driving motor control unit, a transmission control unit, a working condition prediction control unit, an oil tank, an engine, a generator, an inverter, a storage battery, a driving motor, a transmission, a rear axle and a PTO shaft are arranged in the tractor body. The ECU is in signal connection with the storage battery management unit, the motor control unit, the transmission control unit and the working condition prediction control unit. According to the hybrid power tractor power system considering the working condition adaptability, the parameter optimization model with the equivalent fuel consumption of the hybrid power tractor as the target function and the power performance of the tractor as the constraint condition is established, parameter optimization is carried out, and the economical efficiency of the hybrid power tractor is improved.

The invention relates to a mobile unmanned aerial vehicle navigation trapping device which comprises a transmitting antenna and a receiving antenna which are arranged outside a vehicle, and a host and a storage box which are arranged inside the vehicle, wherein the host is respectively connected with the transmitting antenna and the receiving antenna through radio frequency connecting lines; at least two connecting columns are symmetrically arranged at the top of the storage box; a quick-release clamping block is arranged at the top end of each connecting column and is used for being matched with a quick-release clamping groove formed in the vehicle; the host is mounted in the storage box through a fixing piece; the host comprises a box body, a main control unit arranged in the box body, and a power supply control unit, a receiving and time synchronization unit, a signal generation unit and a signal emission control unit which are respectively connected with the main control unit. The device can be conveniently installed and used on mobile equipment such as a vehicle, and the maneuvering performance is improved.

The application discloses a kind of active corner collaborative gear shifting control method applied to double motor drive system, belong to gear shifting control technical field, method includes: issuing gear shifting instruction by automobile control unit;Torque unloading instruction is issued by transmission control unit, and torque unloading is carried out;Gear position is moved to neutral gear position;Transmission control unit sends speed synchronization instruction to drive motor controller, and driving torque is respectively applied to input shaft and output shaft, when the speed difference between input shaft and output shaft is in preset range, next step is entered;According to the real-time speed difference between input shaft and output shaft, the difference of angle, the torque of auxiliary drive motor and the position of gear shifting mechanism, gear engagement feasibility detection is carried out, whether gear engagement can be judged, if yes, next step is entered;Planning engagement sleeve displacement time curve in gear shifting mechanism;Transmission control unit tracks engagement sleeve displacement curve and carries out gear engagement;Transmission control unit sends torque recovery instruction, and torque recovery is carried out.

This invention discloses a clutch control method and system applicable to planetary power shift transmissions. The method determines shift requirements based on real-time vehicle speed and acceleration, identifies the clutch to be engaged, and then the transmission control unit controls the oil passage solenoid valve to achieve pre-compensation control of the clutch to be engaged in automatic shifting mode and intermittent compensation control in manual shifting mode. Furthermore, this invention calculates compensation pressure based on engine speed and the shift shock of the previous shift, enabling correction of the compensation control and further improving its accuracy. Therefore, this invention can improve the consistency of the oil filling process of multi-clutch transmissions with inconsistent oil passage lengths, increase shift response speed, and reduce shift shock.

The utility model relates to the technical field of vehicle speed control systems, in particular to a vehicle gearbox electric control fault emergency use system which comprises a power source, a change-over switch, a gearbox control unit, a gearbox unit and an emergency control unit. When the gearbox control unit breaks down, the change-over switch is switched to the emergency state, so that the gearbox unit is controlled to be switched to the corresponding gear through the emergency control unit. The emergency control device has the advantages that the emergency control unit is independent of the gearbox control unit, so that even if the gearbox control unit is completely invalid, the gearbox can complete gear shifting according to a gear shifting instruction issued by a driver, and the safety of the gearbox is improved. And the limitation of the limping mode of the existing gearbox is improved, so that the use reliability and the use safety of the vehicle are improved.

The invention relates to a gear control method, electronic equipment and a vehicle, and is applied to the technical field of vehicle control. The gear control method comprises the steps that in response to a self-learning request signal sent by a gearbox control unit, state information of a vehicle is obtained, and the state information of the vehicle comprises the vehicle speed, the system power source state and the power assembly state; under the condition that it is determined that the vehicle meets the self-learning condition based on the state information of the vehicle, the gear self-learning type is determined; and a response signal is sent to the gearbox control unit based on the gear self-learning type, the gearbox control unit is controlled to execute gear self-learning operation corresponding to the gear self-learning type based on the response signal, and the response signal comprises a target gear corresponding to the executed gear self-learning operation. The gear self-learning type can be determined according to the state information of the vehicle, then the gear self-learning operation corresponding to the gear self-learning type is executed, and the flexibility and timeliness of gear self-learning are improved.

An information processing apparatus includes a risk area identification unit configured to identify a risk area outside a moving object and a transmission control unit configured to perform control for transmitting risk area information representing the risk area identified by the risk area identification unit to a server configured to retain information related to the risk area, in which the risk area identification unit is configured to identify an area defined by a plurality of points as the risk area, and the risk area identification unit is configured to identify, based on a boundary between a first area in which the moving object is prohibited from moving and a second area in which the moving object is allowed to move, a shape of the risk area on a side of the first area.

This invention concerns a hill-start assist system for electric vehicles and how to do so. This hill-start assist system for electric vehicles consists of a control unit. Drive system, transmission control unit, electronic control unit (ECU), and motor drive unit. The electronic control unit (ECU) processes signals from the control unit. The drive and signals from the gear shift control unit, along with the motor speed, are used to... Calculate the optimal torque to control the motor in a way that matches the acceleration specified by the driver. The following are methods to assist electric vehicles in starting on inclines: The process of estimating the mass of a vehicle, where the vehicle's mass includes the mass it is carrying. On all vehicles, considering the components of the total forces acting on the vehicle along the axis. steep The torque compensation process involves adjusting the torque compensation value (K (formula)) which varies according to the mass of the vehicle. The vehicle was obtained by estimating the vehicle's mass and the angle of the slope. The process of correcting torque compensation that varies with vehicle speed (V-speed) using... Hill Start Assist Control (KHAC) The process of assisting in starting on a hill using the relationship of hill start compensation. The torque compensation adjustment (KHAC) is obtained by combining the torque input with the driver's operating torque. (TDriver) derived from the relationship between signals from the drive control unit and signals from the unit... Control the gear changes and motor speed at that moment;

The information can be collected and processed, the burden of the edge device operating based on the processed information is relieved, and meanwhile the power consumption of the edge device is reduced. A system (100) is provided with: a first acquisition unit (131) that acquires, from an edge device (4), a plurality of types of information collected by the edge device; a second acquisition unit (132) capable of acquiring, from the edge device, request information regarding request processing specific information; a processing unit (133) that, when the second acquisition unit has acquired the request information, processes specific information among the plurality of types of information; and a transmission control unit (134) that, when the processing unit has processed the specific information, transmits the processing result to the edge device.

The present application relates to a kind of hybrid system starting gear shifting method, system, equipment and medium, method includes the following steps: vehicle high pressure state, enter ready mode, driver operates shift handle and executes gear shifting operation, enter D gear.Vehicle starts and drives, through the real-time speed, torque of throttle opening, EM2 motor are collected and calculated, when the calculation data power meets the requirement, gear box inside does not execute gear shifting operation, EM2 motor drives, less friction pair is brought into operation, operating efficiency is high, and economy is good;When the calculation data needs to promote power, vehicle controller sends gear shifting instruction, gear box control unit executes gear shifting, EM1 motor intervenes drive, dual-motor drive is carried out at this time, and power performance is improved.The present application can effectively avoid the sound generated by synchronizer action during gear shifting by starting gear shifting strategy, and improve customer satisfaction;Gear shifting strategy under different modes is distinguished, and the efficiency of gear box can be more effectively utilized.

A method for operating a vehicle's drivetrain, wherein the drivetrain comprises a drive unit (1), an output (3), and a transmission (2) arranged in the drivetrain between the drive unit (1) and the output (3), wherein the transmission (2) is associated with a transmission control unit (5) for controlling and / or regulating the operation of the transmission (2), and an acceleration sensor (6) for measuring the vehicle's acceleration, characterized in that, depending on a gear engaged in the transmission (2) or depending on the vehicle's direction of travel, a target acceleration appropriate to the gear or direction of travel is determined, which develops when the vehicle accelerates in that gear or direction of travel, the acceleration sensor (6) determines an actual acceleration when the vehicle accelerates, and it is determined whether the target acceleration and the actual acceleration correlate, wherein, if so,If the target acceleration and the actual acceleration correlate, the actual acceleration measured by the acceleration sensor (6) can be used by the transmission control unit (5) without adaptation; if the target acceleration and the actual acceleration do not correlate, the actual acceleration measured by the acceleration sensor (6) can be used by the transmission control unit (5) with adaptation.

The invention discloses a four-wheel drive torsional vibration optimization method and system based on an automatic gearbox gear shifting strategy, and relates to the technical field of vehicle power assembly control. The method comprises the following steps: adjusting upshift logic of an automatic gearbox under an acceleration working condition by identifying a sensitive rotating speed interval in which an engine triggers torsional resonance of a four-wheel drive transmission system, and improving the upshift triggering vehicle speed of each gear, so that the target rotating speed of the engine after upshift avoids the sensitive rotating speed interval; an optimized gear shifting MAP is constructed and written into a transmission control unit, upshift action is executed by the transmission control unit according to the real-time state, and vibration is restrained from being transmitted to a vehicle body through a transmission path; and meanwhile, a vehicle-mounted sensing unit is used for collecting feedback data to form a parameter dynamic correction closed loop. According to the scheme, a torsional vibration resonance area can be effectively avoided, roar noise in a vehicle is reduced, the NVH performance is improved, and the method has the advantages of being low in cost, flexible in arrangement and capable of being dynamically optimized.

The present invention provides a transmission control device that can prevent the gear shifting period from becoming unnecessarily long. [Solution] The electronic control device 150 of the transmission 26 (a) when it outputs two preceding and succeeding transmission instruction signals Stm, namely learning transmission instruction signals Sstd1 and Sstd2, to the shift actuator 100, it pre-learns a predetermined interval period Tintv, which is the shortest period between the output time of learning transmission instruction signal Sstd1 and the output time of learning transmission instruction signal Sstd2, so that the transmission caused by the later output learning transmission instruction signal Sstd2 does not fail; and (b) after pre-learning the interval period Tintv, it waits for the output of the second transmission instruction signal Stm2 that follows the first transmission instruction signal Stm1 until the interval period Tintv has elapsed from the time the first transmission instruction signal Stm1 is output, and outputs the second transmission instruction signal Stm2 after the interval period Tintv has elapsed.

Snap-action valve (10) with: a sliding piston (82) which is movable in a chamber and which has a first and second web surface (84; 86); a first connection (90) which is opened and closed by the first web surface (84) which is designed to receive a line pressure; a second connection (96) which is opened and closed by the second web surface (86) and which is designed to receive a control pressure; a third connection (92) located between the first (90) and second (96) connections, which alternately connects the first (90) and second (96) connections through the chamber to a transmission control element (94); a fourth port (98) which is designed to receive the control pressure and which, when pressurized, is designed to close the second port (96) and to open the first port (90) against the resistance of a spring force, wherein the second (96) and fourth port (98) are connected to a control pressure source which is generated by a control valve; a second sliding piston (14) which is movable along the chamber; and a magnetic coil component (26) which has a pin (24) for moving the second sliding piston (14).

System device for secure data migration, comprising at least one processing unit, a data interface for coupling between a source environment and a target environment, a transmission control unit, and an integrity check unit, wherein the system device is configured to transfer data between the source environment and the target environment, characterized in that that the transmission control unit, at the hardware or firmware level, enables, restricts or interrupts the data transmission, and the integrity check unit performs a technical integrity verification of the transmitted data.

The present application provides a control device, a control system, and a data collection method. In the case of collecting data from a vehicle, the data as a collection target can be easily changed. A control device is mounted on a vehicle, wherein the control device has: a specified data acquisition unit that acquires specified data from an external device of the vehicle, the specified data specifying vehicle data as a target of a collection process; a specified data storage unit that stores the specified data; a vehicle data collection unit that collects the vehicle data specified by the specified data from the vehicle by executing the collection process; and a transmission control unit that transmits the vehicle data collected by the vehicle data collection unit to the external device through a communication device.

The invention relates to a valve unit (8) for a gearbox control unit (2) of a commercial vehicle, the gearbox control unit (2) comprising a flexible printed circuit (12) for connecting the valve unit (2) to the gearbox control unit (2). The invention also relates to a method for assembling a valve unit (8) and a gearbox control unit (2). According to the invention, the valve unit (8) comprises a fixation plate assembly (14) comprising a fixation plate (16), wherein the flexible printed circuit (12) is attached to the fixation plate (16), and wherein the fixation plate assembly (14) is attached to the valve block (18).

The invention aims to solve the technical problem that an existing AMT self-learning function triggering mode is limited and tedious, and provides a commercial vehicle AMT gear self-learning method based on a whole vehicle voice control system. A voice instruction of a driver is used as an input signal of the whole vehicle voice control system, and the voice instruction is converted into a CAN message signal and then is sent to a transmission control unit (TCU) through a CAN bus; the TCU judges whether the current vehicle state meets a self-learning condition or not through self-learning software in the TCU according to the current vehicle state information; if not, the AMT does not execute the gear self-learning action; if yes, the AMT is controlled to execute a gear self-learning action, and the working state of the AMT is monitored in real time in the gear self-learning process; and the voice control system broadcasts a corresponding gear self-learning result through voice.

This control device comprises: a quality management unit that acquires transmission quality in a transmission path between an operation target and a remote operation device that remotely operates the operation target, and determines whether or not the acquired transmission quality satisfies a quality requirement; and a transmission control unit that, when the transmission quality does not satisfy the quality requirement, performs notification at least to the remote operation device, or control on the operation target.　

The invention relates to a method for decelerating and holding a vehicle (1) at a standstill with a drive train (4) comprising a transmission (9), wherein the method comprises the following steps: a) Receiving and processing a delay signal by a transmission control unit (15); b) Activating and executing a transmission function for vehicle deceleration, wherein the transmission control (15) controls the drive train (4) based on the deceleration signal until the vehicle (1) comes to a standstill; c) Holding the vehicle (1) at a standstill; and d) Returning the drivetrain (4) to normal operation as soon as the transmission function for vehicle deceleration is deactivated. Furthermore, the invention relates to a system for decelerating and holding the vehicle (1) at a standstill, a drivetrain (4), and a vehicle (1).

This communication device comprises a transmission control unit that transmits a trigger signal for extending or stopping repeated transmission, which is started on demand, to a communication point that executes the repeated transmission of at least one of a first signal or first notification information.

Method for smoothing the change from an electric traction mode to a hybrid traction mode in a hybrid vehicle, comprising the steps of: receiving traction mode information (S1) evaluating (S2) the convenience of changing to a first hybrid traction mode (Hx) by measuring current values of predefined operating parameters; evaluating (S3) the convenience of shifting –within a predefined lapse of time-to a second hybrid powertrain (Hx+1) corresponding to a higher speed range, and if so, calculating the remaining time (T) for changing to the second hybrid powertrain (Hx+1); and modifying the energy management law (LGE) for making the gearbox control unit change directly from the electric powertrain (EVx) to the second hybrid powertrain (Hx+1), once said remaining time (T) has lapsed.