39 results about "Motor Drive Unit" patented technology

The device comprises: a first housing housing a power conversion device; a first connector mounted on the first housing and having contacts electrically connected to the power conversion device housed in the first housing; and a busbar having conductivity. A second housing is disposed adjacent to the first housing and disposed side by side. The second housing is fitted with a second connector having the same configuration as the first connector and having the same function as the first housing. In this case, the busbar temporarily disposed near the first connector slides toward the second connector and electrically connects the contacts of the first connector and the contacts of the second connector by means of the busbar, thereby electrically connecting the power conversion device housed in the first housing with the power conversion device housed in the second housing.

The present application provides a single soldier combat flying umbrella, relates to aviation power and single soldier flying equipment technical field, in order to solve the efficiency, noise and safety problem of traditional propeller propulsion system, the present application discards propeller, and adopts the innovative power system consisting of coaxial reverse motor drive unit, tilt linkage mechanism and gravity ball.Electric motor drives gravity ball to do circular motion, utilizes the centrifugal force component as the source of propulsion and lift, and utilizes gyroscopic effect to enhance stability. Through controlling the speed difference of two electric motors, accurate attitude control can be realized. The system has the advantages of compact structure, high efficiency, extremely low noise, good safety and strong environmental adaptability, and is especially suitable for military single soldier mobility, special operation and civil leisure flight and other fields.

This invention relates to a rotor assembly for an electric motor, an electric motor assembly, and an electric motor drive unit. The rotor assembly (10) includes a lamination group (20) and end rings (30, 40) located at both axial ends of the lamination group (20). The rotor assembly (10) has an internal oil passage (100) comprising an axially extending passage portion (110) formed by the lamination group (20) and an end-side passage portion (120) formed by the end rings (30, 40), wherein the axial passage portion (110) and the end-side passage portion (120) are in communication with each other. The electric motor assembly includes a stator assembly and the aforementioned rotor assembly. The electric motor drive unit includes a transmission assembly, a controller, and the aforementioned electric motor assembly.

This utility model discloses a cleaning device for optical lenses in the field of lens cleaning technology. It includes a cleaning chamber base, a cleaning tank mounted on top of the cleaning chamber base, a lifting assembly connected to the top of the cleaning tank, and a filter screen plate at one end of the cleaning chamber base. The lifting assembly includes a sealing end cap, and a centrifugal cleaning component is connected to the bottom of the sealing end cap. This solution achieves deep cleaning of lenses through the coordinated operation of the centrifugal cleaning component and an ultrasonic generator. The centrifugal cleaning component rotates at high speed driven by a motor drive unit, generating strong centrifugal force to effectively remove micron-sized particles and oil stains adhering to the lens surface. The high-frequency sound waves generated by the electrically powered ultrasonic generator create a cavitation effect in the cleaning fluid, further loosening and peeling away stubborn stains on the lens, ensuring a high degree of cleanliness on the lens surface and achieving refined lens cleaning, thus meeting the stringent requirements for high cleanliness in optical lenses.

The application discloses a high-integration angle module for an agricultural vehicle and relates to the technical field of agricultural machinery equipment. The application comprises a framework body, a steering unit is installed at each corner of the framework body, a suspension unit is installed at the output end of the steering unit, a wheel hub motor driving unit is rotatably installed on the suspension unit, the steering unit drives the wheel hub motor driving unit to perform steering control by applying a rotating torque to the suspension unit, wherein the suspension unit comprises a supporting suspension fixed at the output end of the steering unit, and a trailing arm is hingedly connected to the bottom end of the supporting suspension. The application performs geometric optimization design on the suspension unit, the center of the wheel shaft is downwardly offset relative to the main axis of the trailing arm to form a gravity center sinking structure, the upper mounting point of an elastic return member is lowered to shorten the force arm, the vertical displacement amount of the center of the wheel hub motor driving unit is greater than the compression deformation amount of the elastic return member, and the ability of the vehicle to cross obstacles and the passability of the vehicle on complex terrains are significantly enhanced in limited installation space.

This invention discloses a control system and method for lifting the roof of a giant hydropower unit, comprising: a signal acquisition module configured to acquire in real time the position signals of each support point of the roof, the hydraulic system pressure signals, and the oil tank status parameters; a core control module including a programmable logic controller (PLC) and a human-machine interface unit, wherein the PLC is communicatively connected to the signal acquisition module and programmed to execute synchronous compensation control logic; an execution drive module including a hydraulic pump control unit, a cooling motor control unit, and multiple servo motor drive units, each servo motor drive unit being connected to a relay at each support point of the roof; and a fault alarm unit activated in response to a fault judgment signal from the PLC. This invention effectively solves the technical problems of low synchronization accuracy, coarse fault response, and inaccurate endpoint alignment in the prior art.

This utility model relates to the field of electric actuator technology, specifically to a testing device for a brushless motor electric actuator. It includes a power supply unit, a control unit, an angle detection unit, and a motor drive unit. The power supply unit is a power module, the control unit includes an MCU module, the motor drive unit is a brushless motor drive module, and the angle detection unit is a digital angle sensor. Through this method, this utility model can obtain the angle feedback signal of the brushless motor electric actuator body and compare it with the angle data measured by the angle sensor built into the testing device to determine whether the operating data of the electric actuator meets the design requirements. Buttons are used to set the start and end of the test. The test results are displayed on the screen, and different buzzers sound to indicate whether the test is passed or failed. Simultaneously, the power supply voltage and operating current are monitored to ensure the accuracy and safety of the test.

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

The application discloses an overcurrent fault identification method, a motor driving unit and a storage medium. The method comprises the following steps: when an overcurrent fault signal is detected, determining a triggering time of the overcurrent fault signal; obtaining three-phase current values in a sampling period in which the triggering time is located; and determining a fault type according to a comparison result of a sum value of the three-phase current values and a first threshold value and a comparison result of each-phase current value and a second threshold value. In the case that the overcurrent fault identification method detects the overcurrent fault signal and determines that a hardware overcurrent fault occurs, in order to determine the specific fault type of the hardware overcurrent fault, three-phase current values of a driving motor in a sampling period in which the triggering time of the overcurrent fault signal is located are obtained, the change characteristics of the three-phase current values when the hardware overcurrent fault occurs are known, and then the fault type of the hardware overcurrent fault is determined according to the three-phase current values, so that the fault reason of the hardware overcurrent fault is known.

The utility model discloses a clock control circuit, PCB board and controller thereof, including power input unit, main control unit, display unit, speech processing unit, motor drive unit and motor part, power input unit is electric connection with main control unit, speech processing unit and motor drive unit respectively, main control unit is electric connection with display unit and speech processing unit respectively, motor drive unit is electric connection with speech processing unit and motor part respectively, when main control unit sends prompt signal to speech processing unit, speech processing unit feedback motor drive unit controls motor part action, through setting speech processing unit and motor drive unit, make electronic clock increase action prompt while voice prompt, improve the prompt effect of electronic clock significantly.

A dual-motor, side-mounted, multi-speed transmission system is provided to improve operational efficiency. The system includes a first motor drive unit; a second motor drive unit; a power transmission and shifting unit, comprising a third parallel shaft connected to three power transmission gears with different numbers of teeth, and a fourth parallel shaft connected to three power transmission gears with different numbers of teeth; an intermediate shaft shifting unit, comprising a hollow intermediate shaft, two shift gears with different numbers of teeth, and a third engagement sleeve for selectively transmitting power from the two shift gears with different numbers of teeth to the intermediate shaft; a reduction planetary gear set for receiving power from the intermediate shaft; and a differential for receiving power from the reduction planetary gear set and transmitting it to the first and second wheel rims via the first and second half-shafts, respectively. The first, second, and third engagement sleeves cooperate to form 16 driving modes to adapt to different road conditions and improve overall operational efficiency.

This application relates to the field of food processor control technology, and discloses a control method and system for a food processor based on intelligent adjustment. The method or system includes: a data sensing unit that collects real-time data on the physical properties of ingredients and motor operating parameters; an ingredient characteristic identification unit that identifies the hardness, toughness, and processing stage of the ingredients; an adaptive control unit that intelligently calculates the optimal motor control command based on the identification results, motor status, and preset curves; a motor drive unit that executes the command; and a safety protection unit that monitors and triggers protection. By adopting the above technical solution, this application can avoid motor overload, food splashing, and uneven grinding, thereby improving processing efficiency, uniformity, and safety.

The present application discloses a motor drive unit for a mobile platform, which includes a first stator, a second stator, a first rotor and a second rotor. In operation, the first stator drives the first rotor to generate a first output torque, thereby driving wheels via an output shaft; the second stator drives the second rotor to generate a second output torque, thereby driving a suspension via a support assembly. Other exemplary embodiments are described. In some embodiments, the motor drive unit provided by the present application can realize structural and physical decoupling by integrating the wheel drive and suspension drive structures, reduce the space ratio of the motor drive unit, and realize the deep integration of the motor drive unit with the mobile platform structure.

The application discloses a hinged unmanned rolling construction robot and a working method thereof, and relates to the field of robots.The robot comprises an electric road roller chassis, a posture measuring unit, a sensor and a communication unit, a power unit, a control and motor driving unit and a power supply unit.The posture measuring unit measures the posture of the road roller.The sensor and the communication unit collect the driving data of the road roller and complete information interaction.The power unit provides the road roller with forward and steering power and drives the road roller to complete construction.The control and motor driving unit controls the power unit to complete forward and steering movement.The power supply unit supplies power to the posture measuring unit, the sensor and the communication unit, the power unit and the control and motor driving unit.The unmanned rolling construction robot is small in size and light in weight, can be used to conduct unmanned rolling construction algorithm experiments in a laboratory indoor environment, reduces the working strength of researchers and engineers, improves the research and development efficiency and reduces the research and development cost.

The application discloses a kind of collaborative control method, device and vehicle of multi-motor drive system, it is related to motor drive and control technical field.The control method includes by superior controller generates reference speed instruction and is issued to each motor controller;Each motor controller works in speed control mode, receives and drives corresponding motor according to reference speed instruction;Superior controller obtains the load operating parameter of each motor controller in real time;Based on load operating parameter, calculate the index for representing the load imbalance between each motor drive unit;According to load imbalance index, dynamically and differentially adjust the speed instruction issued to at least one motor controller, so that the load operating state of each motor drive unit tends to be balanced.The application actively balances the load operating parameter of each motor controller, fundamentally prevents the protective shutdown caused by single motor overload or overheating, and eliminates the sudden failure of vehicle running function.

The application provides a power-assisted system and method for an electric bicycle, comprising: a posture sensing module for obtaining real-time road slope information of the vehicle; a pedaling sensing module comprising a torque sensor and a pedaling frequency sensor; a memory for storing sensor data, a power-gear mapping matrix and a slope compensation lookup table; a main control unit for data processing and signal output; and a motor driving unit for driving the motor according to the target motor control instruction generated by the main control unit and realizing power assistance. The power-assisted system and method for the electric bicycle can realize stepless power assistance, avoid the problems of traditional power-assisted bicycles such as pedaling empty or suddenly heavy, compensate for the corresponding torque when needed, reduce invalid energy consumption, adapt to complex road conditions, improve the riding efficiency in scenarios such as climbing and headwind, and make the rider maintain the same power output and pedaling force to meet the requirements, thus providing a good riding experience.

The battery charging device disclosed in this invention includes an integrated base, a battery compartment, inner and outer double-ring annular tracks, a zigzag shaking plate, a sorting wheel, multiple independent charging mechanisms, a motor drive unit, and a battery storage unit. One end of the zigzag shaking plate passively swings. Multiple sets of outwardly opening figure-eight grooves, formed by inner small-diameter grooves and outer large-diameter grooves, are evenly distributed around the outer circumference of the sorting wheel. At least one set of figure-eight grooves serves as a charging station, with multiple independent charging mechanisms at both ends to charge the batteries. Thus, the sorting wheel of this invention, with its figure-eight groove structure, completes the purely mechanical weight-based sorting of AA / AAA mixed batteries the instant the batteries are positioned. The zigzag shaking plate and the figure-eight grooves of the sorting wheel form a passive interference swing without a power source. The inner and outer double-ring annular track and integrated base design prevent battery jamming. The eight-station cycle and four-way synchronous charging mechanism improve the automation level of battery sorting, charging, and storage.

This invention relates to the field of motor control technology and discloses a motor control system, method, motor driver, device, and storage medium. The system includes a controller, a motor driver, and a feedback unit consisting of a first feedback unit mounted on the motor and a second feedback unit mounted on the load driven by the motor. The controller is connected to the motor driver, and the motor driver is connected to the motor, the first feedback unit, and the second feedback unit. The motor driver includes a motor control unit, a motor drive unit, and a safety unit. The motor control unit is connected to the controller and the safety unit, and the motor drive unit is connected to the motor control unit and the safety unit. The motor driver is used to acquire control command values ​​from the controller, first feedback values ​​from the first feedback unit, and second feedback values ​​from the second feedback unit. Through the safety unit and the motor control unit, it controls the motor to continue running or stop running. This invention provides a new motor control system to achieve a higher level of functional safety.

A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer.

The application relates to a solar heat collecting device daily control system, which comprises an MCU unit, two direct-current motor driving units, two state detecting units, a remote communication unit, an inclination sensor, a first serial interface unit, a second serial interface unit, an input-output interface unit and a power supply unit. In the application, the daily control system with the integration of the controller and the motor driving circuit can greatly reduce the equipment installation space and the material management cost; the two-way direct-current motor driving units can realize the motor control of the two-way single-shaft daily system or the motor control of the one-way double-shaft daily system; and the input-output interface unit can conveniently connect external detection signals or realize the control of external equipment.

The utility model relates to an electric vacuum destruction valve electrical control device, include: power input unit, with power electric connection, motor drive unit, motor drive unit with valve motor electric connection, be used for control valve motor's opening and closing, instruction control unit, power input unit and motor drive unit carry out electric connection, and instruction control unit controls the connection or disconnection of power input unit and motor drive unit according to the instruction received, position feedback unit is used for detecting the valve switch to the in -place state, and the detected state is sent to digital instrument and shows, adopt direct current power supply, because the efficiency of direct current equipment is usually higher, can more effectively convert electric energy into useful work, reduce energy loss, avoided unnecessary energy waste.

The invention discloses a high-altitude equipment surface detection system and method based on a three-axis truss mechanism and a solid-state laser radar, and relates to the technical field of high-altitude equipment detection.The external assembly in the system comprises the solid-state laser radar, an inertial measurement unit, an encoder assembly, a pressure sensor, a stepping motor and a micro water pump; the adjusting mechanism comprises a three-axis truss mechanism and an end effector which is mounted at the tail end of the adjusting mechanism and is integrated with at least one surface detection device; the control unit comprises a main control unit, a signal processing unit, a communication interface unit and a motor driving unit; the main control unit is composed of a single-chip microcomputer MCU and a peripheral circuit. The signal processing unit is used for processing data detected by the pressure sensor and the encoder assembly and sending the processed data to the main control unit; the unmanned aerial vehicle platform is connected with the three-axis truss mechanism through a support. The system can accurately and stably detect the surface of the high-altitude equipment.

Towbar for a vehicle, with a pivoting element (1) on which a ball neck (10) is provided and which is externally actuated between a first pivoting position, which is assigned to a use position of the ball neck (10), and a second pivoting position, which is assigned to a non-use position of the ball neck (10), relative to a holder part (H) of the trailer coupling (K) about a pivot axis (D), a locking device (V) by which the pivoting element (1) can be fixed relative to the holder part (H) after assuming the operating position by means of the ball neck (10), and a motor drive unit (A) via which an adjusting force can be transmitted to a drive element (2) of the locking device (V). A preloading device (2V) is provided on the drive element (2), which elastically preloads a drive connection element (20) of the drive element (2) that can be coupled to the drive unit (A) a) relative to at least one section (210.1, 22.1, 22.2, 22.3, 29) of the drive element (2), through which the drive element (2) transmits the adjusting force to a further component (3, 9) of the locking device (V), or b) relative to a further component (9) of the locking device (V), to which the drive element (2) transmits the adjusting force.

The invention relates to a motor drive unit (1) for an electronic door actuation arrangement (2) of a vehicle (3), comprising an electric motor (4), a motor drive (5), a current-to-voltage converter (6), and a control unit (7), wherein the control unit (7) is connected to the electric motor (4) via the interconnected motor drive (5) and adapted for driving the electric motor (4) via the motor drive (5), the current-to-voltage converter (6) being connected between the motor drive (5) and the control unit (7) for converting a current applied to the motor drive (5) into a voltage proportional to the current and for transmitting the converted voltage to the control unit (7), and the control unit (7) being further adapted for terminating the driving of the electric motor (4) upon exceeding a predetermined voltage limit value. In this way a motor drive unit for an electronic door actuation arrangement of a vehicle is provided, with which damage to the electric motor induced by a stall current can be avoided.

The proposed solution relates to a trailer coupling (K) for a vehicle, with a locking device (V) by which a swivel element (1) comprising a ball neck can be locked with respect to a holder part (H) after the ball neck (10) has assumed a service position, and with a motor drive unit (A) for releasing the locking mechanism in order to allow manual adjustment of the swivel element (1) in the direction of the second swivel position. The locking device (V) comprises, for locking the pivoting element (1) with respect to the holder part (H), at least one locking element (7A, 7B, 7C) adjustable between a locking position and an unlocking position and at least one additional locking element (3) adjustable between a blocking position and a release position, wherein by adjusting a drive element (2) driven by the motor drive unit (A) both the at least one locking element (7A, 7B, 7C) from the locking position towards the unlocking position and the additional locking element (3) from the blocking position towards the release position are successively adjustable in order to release the locking of the pivoting element (1) with respect to the holder part (H) and to allow manual pivoting of the pivoting element.

This utility model discloses a LIN and CAN communication H-bridge electric pedal controller, belonging to the field of intelligent electric side pedal controllers. It includes a control unit, a power supply unit, and a motor drive unit: the power supply unit converts the 12V vehicle power supply to a stable 5V voltage via a 5V LDO module; the control unit integrates an MCU module, CAN communication, LIN communication, and hard-wired signal processing modules to achieve multi-communication interaction, and works with voltage, current, and temperature detection modules to monitor the status in real time; the motor drive unit uses an H-bridge drive module composed of MOSFETs, combined with Hall signal detection to achieve precise control of motor direction and speed. This utility model adapts to multiple vehicle platforms through multi-communication, improves safety through full-parameter detection, and enhances control accuracy and extends device life through H-bridge drive and Hall feedback, making it suitable for the control of electric pedals in vehicles with high functional requirements.

An electric blind may include a roller tube, a motor drive unit, a mounting bracket, and a connector. The roller tube may have a flexible material attached thereto. The roller tube may have a first end and a second end. The roller tube is configured to rotate about a longitudinal axis defining a longitudinal direction. The motor drive unit may be configured to rotate the roller tube to adjust the flexible material between a raised position and a lowered position. The motor drive unit may include an end portion accessible via the first end of the roller tube. The connector may be configured to be disposed within the channel. The connector may be configured to electrically connect the motor drive unit to electrical wiring for powering the motor drive unit when the end portion of the motor drive unit is received within the channel.

The application provides a five-in-one motor controller suitable for the scrubber industry, and relates to the technical field of controllers, and comprises a controller shell body, a main control circuit board is fixedly arranged in the controller shell body, a plurality of MCU core control units, a five-in-one motor driving unit, a power management unit, an Internet of Things communication unit, a signal acquisition unit and a functional safety protection unit are integrated on the main control circuit board; through integrated design, the driving control of walking, brush disc, water suction fan and two groups of push rod motors is integrated in a single device, the traditional decentralized multi-controller scheme is replaced, the internal circuit layout and installation process of the scrubber are greatly simplified, the circuit interference and the probability of poor contact fault are reduced, and the internal installation space of the equipment is significantly saved.