296 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 discloses a vehicle climbing control method, device and equipment and a storage medium, and relates to the technical field of vehicle control. The method comprises the steps that vehicle speed information, gradient and accelerator pedal opening of a vehicle are obtained; a target gearbox gear is obtained according to the vehicle speed information, the gradient and the opening degree of the accelerator pedal; and the vehicle is controlled to climb according to the target gearbox gear. By analyzing the data information of the vehicle in the climbing process, the gear of the gearbox is controlled by the automatic gearbox control unit, so that the driving requirements under the conditions of different gradients, accelerators and vehicle speeds are met, and the climbing performance is remarkably improved while stable driving of the vehicle is guaranteed.

A control apparatus includes a reception control unit configured to perform control to receive, when a movable object is located at a first point, presence information of a risk area including a plurality of position coordinates specified through image recognition by another movable object, a determination unit configured to determine whether the movable object is in a vicinity of the risk area based on the plurality of position coordinates included in the presence information of the risk area for which the reception control unit has performed the control to receive, a transmission control unit configured to perform control to transmit, when the determination unit determines that the movable object is in the vicinity of the risk area, information related to presence of the movable object, and a control unit configured to execute control of the movable object.

Methods and systems for tuning vehicle drivability are provided. The vehicle system includes, in one example, a vehicle control unit (VCU) that is designed to electronically communicate with a human machine interface (HMI). In the system, the VCU is designed to, in reaction to receiving an acceleration or deceleration request from the HMI, send a virtual acceleration or deceleration command to a transmission control unit (TCU), where the virtual acceleration or deceleration command correlates to the acceleration or deceleration request and the correlation is user adjustable via a user interface (UI) of the VCU.

The utility model discloses a motorcycle gear shifting structure which comprises a shell and a shifting piece which are arranged on a handlebar, a mounting cavity is formed in the shell, the shifting piece is rotationally arranged in the mounting cavity and comprises a shifting part, two sets of switch assemblies are arranged in the mounting cavity, and the shifting part is arranged in the shifting part. The switch assembly comprises a microswitch for controlling upshift or downshift and an ejector rod for actuating the microswitch, and the shifting part rotates the shifting piece and drives the ejector rod to actuate the corresponding microswitch. According to the scheme, the structure is simple, operation is convenient and fast, gear switching can be achieved as long as the shifting piece is shifted by fingers, the left foot of a rider is greatly liberated, and riding is more comfortable; the gear shifting instruction can be triggered only when the stroke of the shifting piece reaches a certain distance, mistaken touch is prevented, two paths of gear shifting information are output, the gear shifting instruction is triggered after the difference between the two paths of signals is compared through a TCU (transmission control unit) and confirmation is correct, and good mistake proofing performance is achieved.

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 discloses a gear information storage method and device, a storage medium, a program product and a vehicle, and relates to the technical field of vehicle control. The method comprises the steps that when the vehicle is powered on and started, cyclic redundancy check is conducted according to gear information of a gearbox control unit; if the verification result is inconsistent with the previous verification result stored by the gearbox control unit, obtaining current gear information; zero clearing is carried out on a previous verification result; and when a sleep power-off instruction is detected, storing the current gear information and a verification result of the current gear information to a gearbox control unit. When the vehicle is powered on and started each time, whether the gear information is normal or not is detected, and the previous verification result is synchronously reset; therefore, when the condition that the vehicle is fed or is abnormally powered off at the non-P gear is encountered, the situation that the gear information is not normally stored can be detected, so that the condition that gear shifting fails and even a gearbox is damaged due to mismatching of the gear information can be avoided, and the safety of gear shifting is improved.

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.

The invention provides a vehicle control method and device, a vehicle control unit, a vehicle and a program product. The method comprises the steps that engine request torque and engine actual torque are obtained; if it is determined that the front axle torque does not meet the front axle die changing and gear shifting conditions according to the engine request torque and the engine actual torque, the motor request torque is determined according to the negative value of the engine actual torque; keeping the engine torque unchanged, keeping the clutch closed, and controlling the front axle torque to be reduced to a front axle request torque value according to the motor request torque; and when the engine wheel end torque and the motor wheel end torque meet the torque balance condition, a mold changing and gear shifting allowing signal is determined, so that a transmission control unit executes mold changing and gear shifting operation according to the mold changing and gear shifting allowing signal. According to the method, the motor compensates for the deviation between the actual torque of the engine and the requested torque of the engine, it is guaranteed that the torque of the front axle has no difference before and after mold changing and gear shifting, and therefore the efficiency and reliability of mold changing and gear shifting of the vehicle can be improved.

An electric work vehicle includes a battery; a motor that generates motive power by receiving electric power from the battery; a traveling device operated by the motive power; a work power output portion that outputs the motive power to be supplied to a working device for performing work; a travel transmission system that transmits the motive power from the motor to the traveling device; a work transmission system that transmits the motive power from the motor to the work power output portion; a state detection unit that detects a state of work travel; and a transmission control unit that controls the transmission states of the travel transmission system and the work transmission system. In response to the state detection unit detecting that the work travel is in a predetermined low work travel state, the transmission control unit performs power conservation control for reducing the electric power consumed by the motor.

The invention discloses an engine operation control method, device and system and a storage medium, and relates to the technical field of engines, the method comprises the steps that gear shifting control parameters sent by a transmission control unit are received, target parameters are obtained, and the target parameters comprise the final target rotating speed; the gear shifting control parameters comprise the real-time rotating speed of an engine; according to the gear shifting control parameters and the target parameters, whether a gear shifting synchronization stage of the current vehicle is started or not is judged; and if the gear shifting synchronization stage is started, the current target rotating speed of the engine is dynamically adjusted according to the gear shifting control parameters till the real-time rotating speed of the engine reaches the final target rotating speed. By dynamically adjusting the target rotating speed of the engine, adjustment of the rotating speed of the engine in the gear shifting process is optimized, smoothness of the vehicle in the gear shifting process is ensured, and impact and vibration in the gear shifting process are reduced.

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.

The invention provides a vehicle control method and device, a vehicle control unit, a vehicle and a program product, and the method comprises the steps: obtaining an engine request torque, and determining a motor request torque according to a negative value of the engine request torque; keeping the engine request torque unchanged, keeping the clutch closed, and controlling the front axle torque to be reduced to a front axle request torque value according to the motor request torque; and when the engine wheel end torque and the motor wheel end torque meet the torque balance condition, a mold changing and gear shifting allowing signal is determined, so that a transmission control unit executes mold changing and gear shifting operation according to the mold changing and gear shifting allowing signal. According to the method, the power output time requirement of a driver can be met, continuous power output of the vehicle is guaranteed through more accurate torque control and reduction of dependence on clutch operation, and the success rate of mold changing and gear shifting of the vehicle is increased. Therefore, the method can improve the efficiency and the reliability of mold changing and gear shifting of the vehicle.

A relay control device includes: an information obtainment unit which obtains information obtained from a plurality of movable bodies; and a transmission control unit which performs control for transmitting information obtained from the plurality of movable bodies to a plurality of assistance devices, wherein the transmission control unit performs control for determining information to be transmitted with anonymization and information to be transmitted without anonymization among information obtained from a first movable body among the plurality of movable bodies for each destination assistance device and transmitting, with anonymization, information determined to be transmitted with anonymization and transmitting, without anonymizing, information determined not to be anonymized, to each of the plurality of assistance devices.

The utility model relates to the technical field of gearboxes, in particular to a cylinder-penetrating wire harness structure of an automatic gearbox, which comprises a main fixed outer valve body (1), a cylinder-penetrating main wire harness (2) and an output rotating speed sensor wire harness (3), the main fixed outer valve body (1) is connected with a first support (4), a second support (5) and a third support (6). The first support (4) and the third support (6) are connected with the cylinder penetrating main wire harness (2). The second bracket (5) is connected with the output rotating speed sensor wire harness (3); the cylinder penetrating main wire harness is connected with the gearbox control unit, so that real-time power and signal transmission between the gearbox control unit and each sensor and sensing interaction of information such as oil temperature, oil pressure and rotating speed can be realized; the first support and the third support can reliably and effectively protect, fix and restrain the wire harness, and it can be guaranteed that circuit connection is stable and reliable under various working conditions of the gearbox.

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).

[Problem] To more easily achieve the emission of light to the surroundings of a moving device. [Solution] This control device comprises: a communication unit that receives, from a moving device having a moving function, position information of the moving device, and that transmits an emission instruction relating to the emission of light to an emission device having an emission function mounted on the moving device; a storage unit that stores information indicating a plurality of combinations of moving devices and emission devices; an identification unit that identifies an emission device that forms a pair with the moving device which is the transmission source of the position information, such identification being performed on the basis of the reception of the position information by the communication unit and by referencing the storage unit; and a transmission control unit that controls the transmission of the emission instruction to the emission device identified by the identification unit, such control being performed on the basis of the position information received from the moving device which is the transmission source.

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).