Abstract:
A dump truck (10000) includes a frame (400), a first axle assembly (300), a second axle assembly (1000) and a suspension system (500). The second axle assembly (1000) and the first axle assembly (300) are disposed along a front-rear direction in a spaced manner; the second axle assembly (1000) includes two vehicle axle assemblies; at least one of the two vehicle axle assemblies is an electric drive axle assembly (100); the electric drive axle assembly further includes an electric power assembly (101) and a suspension apparatus; the electric power assembly (101) includes a power motor (11), a transmission (12), and a differential (13); the suspension apparatus is connected between the electric power assembly (101) and a frame (400) and each of the vehicle axle assemblies is connected to the frame (400) through the suspension system (500). The dump truck has a compact structure and stable transmission, and is environmental friendly.
Abstract:
An electric vehicle, a vehicle-mounted charger and a method for controlling the same. The method includes: obtaining a first total charging period TA for controlling the H bridge in a first manner and a second total charging period TB for controlling the H bridge in a second manner when the vehicle-mounted charger starts to charge a power battery (S1); determining a relation between the first total charging period TA and the second total charging period TB (S2); and selecting a manner for controlling the H bridge according to the relation between the first total charging period TA and the second total charging period TB to perform temperature balanced control over the first switch tube, the second switch tube, the third switch tube and the fourth switch tube (S3).
Abstract:
The present disclosure provides a composite film, a method of preparing the same and a lithium battery having the same. The composite film includes a porous separator and a fiber layer disposed on a surface of the porous separator and containing polyetherimide.
Abstract:
A Zr-based composite ceramic material, a preparation method thereof and a shell or a decoration are provided. The Zr-based composite ceramic material includes a zirconia matrix and a cubic Sr x NbO 3 stable phase dispersed within the zirconia matrix, where 0.7≤x≤0.95.
Abstract translation:提供Zr基复合陶瓷材料,其制备方法和壳体或装饰物。 Zr基复合陶瓷材料包括氧化锆基体和分散在氧化锆基体内的立方Sr x NbO 3稳定相,其中0.7≤x≤0.95。 p >
Abstract:
The present disclosure discloses an electric vehicle and an active safety control system and method thereof. The system includes: a wheel speed detection module (100) configured to detect a wheel speed to generate a wheel speed signal; a steering wheel rotation angle sensor (10) and a yaw rate sensor module (9), configured to detect state information of the electric vehicle; a motor controller (1); and an active safety controller (8) configured to receive the wheel speed signal and state information of the electric vehicle, obtain state information of a battery pack (2) and state information of four motors (3), obtain a first side slip signal or a second side slip signal according to the wheel speed signal, the state information of the electric vehicle, the battery pack (2) and the four motors (3), and according to the first side slip signal or the second side slip signal, control four hydraulic brakes (12) of the electric vehicle and control the four motors (3) by using the motor controller (1).
Abstract:
A relay (100) is provided. The relay (100) includes an insulating housing (10) defining an accommodating cavity (11) therein; two binding posts (12) disposed to the insulating housing (10), each having an end extending into the accommodating cavity (11); an insulating plate (20) disposed within the accommodating cavity (11), movable between a first position and a second position, and having two connecting contacts (21) disposed on a first side of the insulating plate (20) facing the binding posts (12); a fuse (30) disposed between the two connecting contacts (21); a mounting base (40) connected to the insulating housing (10); and a push rod (41) movably disposed to the mounting base (40) and connected to the insulating plate (20), in which when the insulating plate (20) is located at the first position, the two connecting contacts (21) abut against the two binding posts (12) respectively, and when the insulating plate (20) is located at the second position, the two connecting contacts (21) detach from the two binding posts (12) respectively.
Abstract:
A battery connector for an electric vehicle is provided. The battery connector includes: a connecting sheet having a fusing portion, and a protective component in which the fusing portion is encased. A cross sectional area of the fusing portion is less than a cross sectional area of rest part of the connecting sheet.
Abstract:
A method for soldering a chip on a metallic-ceramic composite board is provided, the metallic-ceramic composite board comprising a ceramic substrate, a first metal plate, and a second metal plate, plate faces at two sides of the ceramic substrate being configured to be a circuit face and a non-circuit face respectively, the first metal plate being connected to the circuit face, and the second metal plate being connected to the non-circuit face, wherein the method comprises: etching the second metal plate, such that the metallic-ceramic composite board forms a bent plate shape protruding towards the side at which the non-circuit face is located; and soldering the chip on the first metal plate, so as to obtain a substantially flat-straight metallic-ceramic composite board on which the chip is soldered. In addition, a metallic-ceramic composite board for soldering a chip thereon is provided.
Abstract:
A vehicle stability control system includes a signal collection sensor and a vehicle controller (10). The signal collection sensor is configured to collect a vehicle condition information parameter, and the vehicle controller (10) is configured to calculate a control yaw moment according to the vehicle condition information parameter. The control yaw moment is used to cancel a difference between an estimated yaw moment and an actual yaw moment. The vehicle controller (10) is further configured to determine according to the vehicle condition information parameter whether the vehicle (100) is in a stable region or a non-stable region in the case of tire blow-out, and allocate the control yaw moment to four wheels (101) according to a vehicle stability condition, thus implementing vehicle stability control. A vehicle stability control method and a vehicle (100) with the vehicle stability control system are also disclosed.
Abstract:
An auxiliary steering system (100) and method for an electric vehicle and the electric vehicle are disclosed. The system includes a detection component (6A) including a first electric motor (4) and a detection controller (6) configured to determine whether a steering assist device (2) is normal, to continue to determine whether the steering assist device (2) is normal if yes, and to control a drive rack (5A) of the first electric motor (4) to drive wheels (17) of the electric vehicle to return and to output a steering failure signal, a steering wheel torque signal and a direction signal if no; an electric motor controller (8); a second electric motor (14); and a vehicle controller (7). The electric motor controller (8) is further configured to control the second electric motor (14) to increase a drive torque for an outer front wheel (17), to brake an inner rear wheel (17), and to stop driving an inner front wheel (17) and an outer rear wheel (17).