168 results about "Transmission control unit" patented technology

A safety strategy determining method, applied to a hybrid transmission control unit (HTCU), and comprising: monitoring an environment signal in a hybrid transmission; when an error occurs to the environment signal, determining an abnormal event corresponding to the environment signal; analyzing the abnormal event, and determining a safety state corresponding to the abnormal event; on the basis of the safety state and the current gear of a vehicle, determining a safety strategy corresponding to the abnormal event, wherein the current gear comprises one gear in different driving modes, and the safety strategy comprises at least one of the following: maintaining the current gear, reverting the gear in the hybrid transmission to the current gear, and switching from the current gear to a corresponding downshifted gear; sending a gear switching request carrying the safety strategy to a vehicle electronic control unit (VECU), wherein the gear switching request is used for requesting the VECU to switch to a target gear on the basis of the safety strategy; and switching the gear in the hybrid transmission to the target gear. The problem of over-protection or under-protection in the hybrid transmission is avoided, and therefore the driving safety is improved. Also provided is a security strategy determining apparatus.

The invention provides a liquid discharge system which appropriately and easily determines the waveform of a drive signal for driving a piezoelectric element. The liquid ejection system includes a liquid ejection head, a transmission control unit, and a reception control unit. The liquid ejection head has a nozzle. A piezoelectric element driven by being supplied with a drive signal; a vibration plate that vibrates by being driven by the piezoelectric element; a pressure chamber which is filled with ink and to which pressure for ejecting the ink from the nozzle is applied by vibration of the vibration plate; and a detection circuit that detects residual vibration of the vibration plate after the piezoelectric element is driven. The transmission control unit transmits, to the server, residual vibration information indicating the residual vibration detected by the detection circuit. The reception control unit receives, from the server, adjustment information that is generated on the basis of the residual vibration indicated by the residual vibration information and that is used to adjust the waveform of the drive signal.

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.

An occupant position estimating device includes a transmission control unit, a received strength obtaining unit, a separating unit, a headcount identifying unit, a distance identifying unit, and an occupant position estimating unit. The transmission control unit controls each of radars to transmit radio waves. The received strength obtaining unit obtains multiple received strengths of the radio waves that are received by the respective radars. The separating unit obtains separated waveforms for the occupants from waveforms each of which indicates a time variation of the multiple received strengths. The headcount identifying unit identifies a number of the occupants from the separated waveforms. The distance identifying unit identifies distances from each of the radars to the respective occupants based on a timing at which a human-specific fluctuation appears in the separated waveform. The occupant position estimating unit estimates a position of each of the occupants based on the distances.

The invention discloses an electronic control pneumatic clutch control system and method based on a domain control principle and a vehicle, and relates to the field of automobiles. The system comprises a transmission control unit (TCU). The transmission control unit TCU is connected with a clutch control unit CCU through a signal transmission system, and the clutch control unit CCU is connected with a central clutch actuator CCA; the clutch control unit CCU comprises a gas supply module and an electric control module; the air supply module is connected with the electric control module and communicates the electric control module to the transmission control unit TCU; the electric control module comprises an electromagnetic valve assembly. The CCU is innovatively controlled according to a modular design mode through a domain control principle, the clutch control precision is met, meanwhile, the arrangement requirement of the CCU is lowered, and the overall hardware size is effectively reduced. The arrangement is more flexible, and the development cost is reduced.

The invention provides a gear shifting method, device and equipment of a hybrid power vehicle, a medium and the vehicle, and belongs to the technical field of vehicle control. The hybrid power vehicle comprises a whole vehicle control unit and a gearbox control unit, and the method comprises the steps that when the hybrid power vehicle is in a series connection mode, if the whole vehicle control unit receives a starting gear shifting request, power of a power system of the hybrid power vehicle is reduced; if the power of the power system of the hybrid vehicle meets the preset threshold value, the gearbox control unit controls a clutch to be started; if the vehicle control unit determines that the clutch is in the open state, a gear switching instruction is sent to a gearbox control unit; and the gearbox control unit receives the gear switching instruction, switches the current gear to the target gear, and switches to the corresponding starting gear based on the target gear. When the series connection mode starts gear shifting, the clutch is started, the target gear is directly switched, the step-by-step switching process of the middle gear is omitted, and therefore the gear shifting time is remarkably shortened.

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.

A monitoring unit that monitors a state of a charging operation from a power supply device external to a vehicle to a secondary battery included in the vehicle, an identifying unit that detects and identifies a person around the vehicle, and a transmission control unit that controls an operation of an external display device, the external display device being a display device provided in the vehicle at a position viewable from outside of the vehicle are included. The transmission control unit displays on the external display device a notification screen toward a person around the vehicle when the charging operation from the power supply device to the secondary battery is in progress and when it is detected that a person who is different from a current user, who is currently using the vehicle, is present around the vehicle.

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 relates to the technical field of transmission testing, in particular to a commercial vehicle AMT (automated mechanical transmission) brake performance and service life testing method, which comprises the following steps of: 1, mounting an AMT gearbox on a rack meeting experimental conditions, and connecting the AMT gearbox with a motor through a clutch; 2, building a test model through MATLAB Simulink, generating a C code, integrating underlying software by using HighTec, generating an executable file, and flashing the executable file into a TCU (Transmission Control Unit); 3, the upper computer interacts with the TCU, and data representing the test process and result are sent through a CAN bus and displayed on an interface of the upper computer. According to the method, MATLAB Simulink is used for building a test model and generating a C code, an executable file is produced after integration, and automatic testing is achieved through CAN signal and UDS interaction; the TCU controls the electromagnetic valve through the wiring harness, so that the execution mechanism is controlled through compressed air to achieve separation and combination of the clutch and braking of the TB, the TCU autonomously executes instructions and performs cyclic testing, manual intervention is not needed, the single-time testing time is remarkably shortened, and then the testing efficiency is improved.

The utility model relates to a gearbox diagnosis wire harness, which is mainly used for solving the problems of incapability of connection or failed flashing caused by abnormal pins and abnormal other nodes when a TCU (Transmission Control Unit) is connected from an OBD (On-Board Diagnostic) interface in the prior art, the problem that extra power supply is needed when the TCU is disassembled, and the technical problem that an interface of a CAN (Controller Area Network) is not exposed outside any more. The first connector, the second connector and the panel which are connected with one another are adopted, the first connector is connected with the whole vehicle, the second connector is connected with the gearbox, meanwhile, the first connector and the second connector are directly connected, and the CAN line of the whole vehicle is connected from the gearbox. The problem that different connecting wire harnesses need to be adopted due to different definitions of OBD interfaces of different vehicle types is solved.

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

Provide only data with guaranteed reliability as learning data for the generation model. 【Solution means】The information processing server 10 includes a collection unit 131 that collects data, a determination unit 133 that determines the reliability of the data collected by the collection unit 131 using a determination model 134, and a transmission control unit 135 that transmits, as learning data for a generation model that generates data in a predetermined field, the data determined by the determination unit 133 to have a predetermined reliability.

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.