124 results about "Transmission control unit" patented technology

A method for controlling gear shifting of a hybrid electric vehicle is applied to a transmission control unit, and includes: transmitting, at an interval of a preset time period and via a vehicle control unit (VCU), a first torque control instruction to a first microcontroller unit (MCU) and a second torque control instruction to a second MCU; transmitting, in response to a difference between a rotational speed of an integrated starter and a rotational speed of the clutch being within a preset speed difference range and via the VCU, a rotational speed control instruction to the first MCU and a gear shift instruction to the second MCU; and transmitting, in response to receiving a TM gear-shifting completion instruction, at an interval of a preset time period and via the VCU, a third torque control instruction to the first MCU and a fourth torque control instruction to the second MCU.

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.

The invention discloses a power mode switching method and device and a vehicle. The method comprises the steps that in a series power mode, a vehicle control unit sends a parallel connection requirement to a gearbox control unit so as to carry out clutch oil pre-charging; meanwhile, the speed regulation of the P1 motor is controlled through a PID + feedforward algorithm, so that the rotating speeds of the input end and the output end of the clutch are completely synchronized; after complete synchronization, the vehicle control unit sends a clutch closing signal to the gearbox control unit to control the clutch to be closed; after the clutch is closed, the gearbox control unit sends a clutch closing state signal to the vehicle control unit to control the P1 motor to exit power output, and the engine torque is transmitted to the wheel end through the clutch; meanwhile, the torque of the driving motor is adjusted in real time based on the actual torque transmitted to the wheel end by the clutch to enter a parallel power mode. High smoothness, high success rate and high power adaptability of switching from the series connection mode to the parallel connection mode are achieved, and the driving experience of the hybrid power vehicle is remarkably improved.

The invention belongs to the technical field of automobile safety, and discloses an automobile drunk driving prevention system and method based on passenger state and air alcohol detection, an alcohol concentration detection module comprises an alcohol sensor in a driver area and an alcohol sensor in a public area / passenger area in an automobile; the passenger state detection module comprises a seat sensor and a camera; the central control unit is mounted below a vehicle instrument panel; the active expiration reinspection module is integrated in a steering wheel scheme, or is designed into an independent small handheld or fixed mouthpiece; the actuator is connected to an original start button circuit, a transmission control unit (TCU) or an engine control unit (ECU) of a vehicle through a relay or a control signal wire harness and sends a'start / operation limiting 'instruction. The early warning device utilizes an original instrument panel display system, a horn system and a sound system of the vehicle. According to the invention, passenger positioning and specific area alcohol concentration monitoring are integrated, and the risk of passenger drinking misjudgment caused by only depending on the overall concentration in the vehicle is greatly reduced.

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.

An automated mechanical transmission for a vehicle includes a main gearbox assembly comprising a main shaft and being adapted to be shiftable between at least one engaged state and a neutral state; a split gearbox assembly comprising an input shaft and being adapted to be shiftable between a first engaged state, a second engaged state and a neutral state; a countershaft; a crawler gearbox assembly comprising a crawler gear engagement member which is adapted to selectively engage and disengage a crawler gear defining a torque path from the input shaft to the main gearbox assembly via the countershaft; a gearbox brake; and transmission control unit. The transmission is configured to be settable in an AMT neutral state defined by the main gearbox assembly being in the neutral state. When the transmission control unit obtains a request to engage the crawler gear from the AMT neutral state, the transmission control unit is configured to apply the gearbox brake so that a rotational speed of the countershaft is reduced to a first predetermined rotational speed which is higher than a zero rotational speed; and when the first predetermined rotational speed is reached, release the gearbox brake, set the split gearbox assembly to the neutral state and engage the crawler gear by the crawler gear engagement member.

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.

The invention relates to a method for operating a drive train (20), wherein the drive train (20) has previously been converted from an internal combustion engine drive to an electric motor drive, wherein the drive train (20) comprises an electric motor (21), a continuously variable transmission (12), an electric motor control unit (23), a transmission control unit (14) and a driving strategy control unit (15), wherein the electric motor (21) is coupled to the continuously variable transmission (12), wherein the electric motor (21) is operated according to a control signal from the electric motor control unit (23), wherein the continuously variable transmission (12) is operated according to a control signal from the transmission control unit (14) and wherein the electric motor control unit (23) and the transmission control unit (14) are operated according to a control signal from the driving strategy control unit (15).The method according to the invention is characterized in that an overload situation of the drive train (20) is detected by a sensor and the drive power of the electric motor (21) is subsequently limited. The invention further relates to an electrified drive train.

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).

This air conditioning system comprises: a data collection unit that collects data relating to the state of an air conditioner in which a flammable refrigerant is used; and a transmission control unit that switches between a first mode in which the data collected by the data collection unit in a normal state is transmitted to a management server, and a second mode in which the transmission frequency is higher than that in the first mode and in which the data having many transmission items is transmitted to the management server, the transmission control unit switching to the second mode when there is a possibility that an abnormality relating to the flammable refrigerant occurs in the air conditioner.

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.

The invention discloses a clutch state determination method and device and an automatic gearbox control unit, and belongs to the technical field of vehicles. The method comprises the steps that the rotating speed of a generator of the vehicle, the rotating speed of a driving motor of the vehicle, the current of a clutch of the vehicle and the running speed of the vehicle are obtained; determining a first state of the clutch according to the rotating speed of the generator and the rotating speed of the driving motor; determining a second state of the clutch according to the current of the clutch; and according to the running speed of the vehicle, the first state of the clutch and the second state of the clutch, the state of the clutch is determined. According to the method, the accuracy of the determined clutch state is higher.

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 invention discloses a crawling control method and system of an AMT transmission, and belongs to the technical field of automatic transmission control. The problem that under the low-speed creeping working condition of a commercial vehicle, due to sensitive accelerator control, the vehicle moves or is insufficient in power is solved. According to the method, a crawling request mark is comprehensively judged and output based on a vehicle state signal; secondly, according to different running states, including a plurality of sub-states of clutch separation, clutch locking, starting and gear shifting, of the AMT, preset activation conditions for jumping to the crawling state are set respectively, and the crawling state is activated when any activation condition is met; and finally, after the crawling state is activated, a transmission control unit (TCU) controls a clutch, an engine, an intermediate shaft brake and other components to execute corresponding operation in a coordinated mode. According to the scheme, stable and automatic low-speed crawling of the AMT vehicle is achieved without fine accelerator operation of a driver, and driving safety and operation convenience are improved.

To enable a railway operator to flexibly guide a passenger to a route different from a season ticket route even with a season ticket that uses railways of a plurality of railway operators.SOLUTION: In a flexible season ticket processing system according to an embodiment including an automatic ticket examination machine and a central server, the automatic ticket examination machine includes an acquisition part for acquiring medium information including a season ticket route using railroads managed by a plurality of railroad operators from a medium, and a communication control part for transmitting ticket examination machine information including station IDs and the medium information. The central server includes a storage part for storing a guide route and a medium ID associated with the guide route, a reception control part for receiving the ticket examination machine information, an object control part for determining whether the medium ID coincides, and when it coincides, determining whether a station corresponding to a station ID is included in the guide route to generate encode information corresponding to the determination, and a transmission control part for transmitting the encode information.SELECTED DRAWING: Figure 1

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.

A hybrid transmission electronic control unit hardware-in-the-loop simulation platform, the host computer, the gearbox control unit, the shift execution motor, the torque and speed sensor, the load control unit, the clutch execution motor, the pressure sensor are electrically connected with the hardware-in-the-loop simulation platform; The first DC power supply, the shift execution motor, the clutch execution motor are electrically connected with the gearbox control unit; The second DC power supply, the shift load motor, the clutch load motor are electrically connected with the load control unit; Power is transmitted to the shift load motor through the shift execution motor, the speed increasing and torque increasing mechanism, the gear and rack transmission mechanism, the torque and speed sensor, the speed reducing and torque reducing mechanism in turn.

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;

This application relates to a vehicle control method, device, medium, transmission control unit, and vehicle. The method comprises: obtaining the vehicle's current first operating parameters, including the vehicle's current first driving gradient and current first mass; determining a first preset vehicle speed based on the current first driving gradient and current first mass; and, when the vehicle's current first driving speed is lower than the first preset speed, controlling the transmission to enter a power interruption state and execute a main transmission shift action; wherein the first preset vehicle speed is greater than a second preset vehicle speed, and the second preset vehicle speed is used to indicate the sliding sleeve downshift execution phase. The above method can shorten shifting time and improve vehicle response speed.

Disclosed is a belt-type gear transmission configured such that, when a gear of a planetary gear and a gear of a belt are not accurately engaged and meshed with each other as a result of the radius of rotation of the planetary gear continuously changing, the gear of the planetary gear restrained by the elastic force of a two-way buffer provided on the inside can move in the axial direction and rotate slightly so as to be increased or decreased by one by an incline and meshed with the gear of the belt. The belt-type gear transmission comprises: a driving gear assembly installed on a driving shaft; a driven gear assembly installed on a driven shaft; a belt having a gear formed on the inner surface thereof and connecting the driving gear assembly and the driven gear assembly so as to transmit the rotational force of the driving shaft to the driven shaft; and a transmission control unit for controlling gear shifting by continuously adjusting the radius of rotation of at least one of the driving gear assembly or the driven gear assembly. At least one of the driving gear assembly or the driven gear assembly includes a plurality of planetary gears arranged at equal intervals and spaced the same distance from the center of a corresponding shaft. The planetary gear comprises: a main body having a left pin and a right pin; and a gear sleeve which has a cylindrical shape surrounding a portion of the left pin, can move to the left and right around the main body, is coupled so as to be rotatable within a minute range, and has a gear that is formed on at least a portion of the outer circumference and maintains a constant inclination with respect to the axial direction parallel to the driving shaft while engaged with the gear of the belt.

This invention relates to a power take-off (PTO) control system and method for an electro-hydraulic automatic transmission (AMT), solving the technical problems of existing electro-hydraulic AMTs where the PTO relies on an air source and the system is complex and costly. The invention includes a PTO request button, a TCU (Transmission Control Unit), a PTO, an electro-hydraulic clutch disengagement mechanism, an electromagnetic hydraulic valve, and a clutch hydraulic release bearing. The electro-hydraulic clutch disengagement mechanism includes an ECU (Electronic Control Unit), a motor connected to the ECU, a ball screw, and a release hydraulic cylinder. The input end of the electromagnetic hydraulic valve is connected to the hydraulic chamber of the release hydraulic cylinder, and the two output ends are connected to the hydraulic chambers of the PTO hydraulic cylinder and the clutch hydraulic release bearing, respectively. The control end is connected to the ECU. The output ends can be switched by controlling the movement of the electromagnetic hydraulic valve spool via the ECU. The ECU controls the motor to operate, which drives the ball screw to push the piston rod of the release hydraulic cylinder, ultimately causing the PTO shift fork shaft to move under the action of hydraulic oil, thus achieving control of the PTO.

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.