48results about How to "Improve inheritance" patented technology

The invention provides a two-gear mechanical automatic gearbox for an electric vehicle, and belongs to the technical field of electric vehicle transmission. The transmission comprises a transmission control system, a double-stage driving variable transmission mechanism and a gear shift control mechanism, wherein the gear shift control mechanism comprises a centrifugation gear shift control mechanism and a synchronizer gear shift mechanism; and the centrifugation gear shift control mechanism adopts a mechanical structure, detects vehicle speed through gear drive, and generates centrifugal force to be combined with returning force of a spring to realize the mechanical automatic speed change. The automatic gearbox adopts two gears to realize automatic speed change, combines with a driving motor with an excellent speed regulation property, reduces performance requirements of the driving system on the driving motor, and improves the efficiency of the driving motor as well as dynamic property and economy of a whole vehicle; and compared with a conventional electronic-controlled automatic transmission, the manufacturing inheritance is good, and an electrical control operation gear shift mechanism is omitted and replaced with the mechanical gear shift mechanism, so that the manufacturing cost is lowered, and the system stability is improved.

The invention provides a mechanical automatic transmission of an electric automobile provided with an overrun clutch, and belongs to the technical field of transmission of electric automobiles. The transmission comprises a transmission control system, a variable transmission mechanism, a gear shift operating mechanism and a reverse gear operating mechanism, wherein the variable transmission mechanism is provided with the overrun clutch and performs two-stage transmission; and the gear shift operating mechanism comprises a centrifugal gear shift operating mechanism and a synchronizer gear shift mechanism, the centrifugal gear shift operating mechanism adopts a mechanical structure, detects a speed of the automobile through gear transmission and produces centrifugal force, and the centrifugal force is combined with spring return force, so that mechanical automatic speed changing is realized. According to the mechanical automatic transmission, performance requirements for a driving motor are reduced, and the efficiency of the driving motor and the dynamic property and economy of the whole automobile are improved; an electric control gear shift mechanism is omitted and replaced with the mechanical gear shift mechanism, so that the production cost is reduced, and the system stability is improved; and simultaneously, the overrun clutch and the synchronizer gear shift mechanism are utilized, so that the power failure time during the gear shift process is shortened, the transmitted torque of the transmission is increased, and the system reliability is improved.

The invention provides a pantograph-network adaptive control system and a control method. The control system includes: a first GPS unit: used to collect and record GPS information of track paths in a cross-network area; a second GPS unit: used to record vehicles GPS information of the travel path; the controller receives the GPS information data of the first GPS unit and the second GPS unit; the controller further includes: a data matching unit: used for matching and calculating the data of the first GPS unit and the second GPS unit ; Control signal generation unit: used to generate the pantograph control signal when the data is matched. The steps of the control method are as follows: collect GPS information of the track path in the cross-network area and GPS information of the vehicle driving path; perform matching calculation on the GPS information of the track path and the GPS information of the driving path; if matched, generate a pantograph control signal. Based on the matching algorithm, the invention automatically generates an adaptive control strategy and realizes precise control.

The invention discloses a componentized payload ground comprehensive test system, comprising: an interactive layer device, used for data interaction between a simulated satellite platform and a payload through a control bus, telemetry and remote control, power supply and distribution, and high-speed data acquisition interfaces; a processing layer The equipment is used for the transmission frame and source packet format processing and quality inspection of the load detection data and engineering telemetry parameters generated by the payload, data decompression and image color restoration, and physical quantity inversion of engineering telemetry parameters; the application layer equipment is used to realize Payload data injection file generation, test sequence generation and editing, test sequence execution and test coverage analysis. Different layered equipment is generated into multiple components that can be used. Based on the combination of existing components, changes in component attribute configuration, or by adding new components, a comprehensive ground test system for payloads suitable for new types of tasks can be constructed, which significantly shortens system development. cycle, which improves the inheritance and reliability of the system.

The invention relates to a method for building test command word (AW) and test sequence distribute method, wherein AW uses tree structure, while each AW name comprises two branches; one branch marks the parameter list of AW, while each parameter is formed by parameter mark and relative parameter value, and another branch marks the forecast event list of AW, while each event is formed by event mark and relative event treatment; based on the demand of test process, forming AW into AW test sequence; starting the timer that testing the AW in the AW test sequence, while the time of timer is valued based on the ultra-long time-length parameter of AW parameter list; based on the overtime event of present AW and received event, triggering the event of present AW to execute relative operation based on the definition of present event operation. The invention has high flexibility, stability and application.

The invention provides an LED (Light Emitting Diode) backlight driving device used for driving multiple paths of LED light strings. The LED backlight driving device comprises a power supply circuit and a control circuit. The power supply circuit comprises a first power supply output module and a second power supply output module with adjustable voltage, wherein the first power supply output module is used for outputting a first power supply voltage; and the second power supply output module is used for outputting a second power supply voltage to an LED light string. The control circuit comprises a communication control module and multiple constant current control modules. The communication control module is supplied with power by the first power supply voltage and generates a control signal of the first type and multiple control signals of the second type. Each constant current control module is electrically connected with the communication control module and a corresponding LED light string respectively, wherein the communication control module controls the second power supply voltage output by the second power supply output module by using the first type of control signal and respectively controls the constant current control module by using the second type of control signals so that the currents in these LED light strings are controlled in a constant state and controlled to scan these LED light strings row by row.

The invention discloses a measurement method, system, electronic equipment and storage medium for adjacent cells. The measurement method includes: configuring a measurement frequency point to support N times of antenna time-division reception; The target receiving antenna received at the same time receives data; according to the data received by the target receiving antenna, obtain the measurement results respectively corresponding to the M receiving antennas of the adjacent cell under the target measurement frequency point; according to the target measurement frequency point Obtain the target measurement value of the neighboring cell based on the measurement result. In the present invention, the measurement frequency point realizes the measurement effect of M receiving antennas in the neighboring cell of the frequency point through N times of antenna time-sharing reception and processing, and effectively reduces the amount of data cached per unit time while maintaining mobility requirements , reducing the bandwidth requirement of cell measurement for DDR read / write, ensuring the effective bandwidth of cell measurement, and improving the performance of cell reselection and handover.