10697 results about "Rolling chassis" patented technology

A dynamic traffic environment-oriented multi-lane driving decision-making method based on reinforcement learning, comprising: using state space, action space, and trajectory sampling information in a multi-lane driving decision-making scenario to establish a decision-making neural network model; using a comprehensive reward function to perform reinforcement learning training on the decision-making neural network model; continuously and deeply sensing the surrounding environment by means of a sensor array with which a vehicle is equipped, and capturing sensed environment information; inputting the sensed environment information into the decision-making neural network model, and, on the basis of current environment information, the decision-making neural network model predicting a vehicle trajectory and a recommended driving operation within a period of time; and converting the recommended driving operation outputted by the decision-making neural network model into a specific control instruction, and sending the instruction to a drive-by-wire chassis and an actuator of the vehicle.

A vehicle includes a chassis including a first frame rail and a second frame rail, a tractive element coupled to the chassis, a drive motor configured to drive the tractive element to propel the vehicle, and an energy storage system. The energy storage system includes a first battery module and a second battery module. The energy storage system is selectively reconfigurable between (a) a first configuration in which the first battery module and the second battery module each provide electrical energy to the drive motor and (b) a second configuration in which the first battery module is removed from the vehicle and the second battery module provides electrical energy to the drive motor.

A structural element for a motor vehicle chassis, particularly a chassis of an electrically powered motor vehicle, includes at least two securing sections and a central section which connects the two securing sections. Each securing section can be secured to an outer surface of a motor mounting element of the chassis and / or to an outer surface of a longitudinal member of the chassis.

The invention discloses an automobile chassis lightweight structure design method based on topological optimization, and relates to the technical field of lightweight design. Constructing a macro-micro coupling model, and simulating and quantifying material parameter fluctuation by using Monte Carlo; establishing a rigid-flexible coupling multi-body dynamic model, simulating working conditions such as braking and turning, and generating a load spectrum by using a rain flow counting method; constructing a multi-objective function containing light weight, rigidity and modality, and solving manufacturing constraints such as pattern draft and the like by using an NSGA-II (Non-dominated Sorting Genetic Algorithm-II) algorithm; dividing steel, aluminum and carbon fiber material domains; and fusing bench test data to correct the model. According to the method, multi-scale collaborative optimization is realized, dynamic loads are accurately mapped, and light weight and performance are balanced; the connection reliability is improved through the multi-material gradient design; manufacturability is ensured through feature recognition and process verification; the batch consistency is guaranteed by digital twinning and robustness optimization; the chassis design efficiency and quality are integrally improved, and the service life is prolonged.

A refuse vehicle includes a chassis including a plurality of rails, a front and rear tractive assemblies coupled to the chassis, and a battery assembly. The battery assembly is coupled to the chassis between the front and rear tractive assemblies. The battery assembly includes a battery housing, a mounting assembly, and a support. The mounting assembly is coupled to the battery housing and the plurality of rails. The mounting assembly includes a isolator configured to stabilize the battery assembly. The support is positioned within the battery housing and extends along a midpoint of the battery housing. The isolator absorbs horizontal and vertical impact forces introduced to the battery assembly.

A chassis frame welding apparatus with a turning-over function comprises a welding device (1), a support frame (2), and two rotating supporting apparatuses, wherein the support frame is located between the two rotating supporting apparatuses; the welding device is disposed adjacent to the support frame; and each rotating supporting apparatus comprises a lifting device (4), a rotating device (5) and a clamping device (6), the rotating device comprising a rotating shaft (51), a one-way bearing (52), a first gear (53), and a first toothed plate (10). The chassis frame welding apparatus is provided with the one-way bearing and the first gear, which fits with the first toothed plate, and during the process in which the lifting device is used to lift by means of the rotating device and the clamping device a workpiece to be separated from the support frame, the first gear interacts with the first toothed plate, and the rotating shaft is then driven by means of the one-way bearing to rotate by 180 degrees; thus, the spacing between the workpiece and the support frame is adjusted by means of the lifting device, and the turning over of the workpiece under driving is completed, without providing a plurality of driving systems, thereby simplifying a turning-over supporting apparatus.

A computer mouse comprising a chassis, a support beam with a first end configured to receive and secure a removable keyplate and a second end opposite the first end, and a keyswitch coupled to the chassis in an inverted configuration. In operation, the second end portion of the support beam moves up and contacts the keyswitch as the first end of the support beam is moved down. The keyswitch module may be operable to be coupled to the chassis at a plurality of different coupling locations, each coupling location operable to cause the second pressing force on the keyswitch to increase or decrease based on a distance from the keyswitch to the fulcrum. The keyplate can be non-destructively removeable from and couplable to the support beam without disassembly of the housing. The keyswitch can be non-destructively removeable from and couplable to the chassis without disassembly of the housing.

The invention discloses an unmanned vehicle environment perception and obstacle avoidance control method in a complex dynamic scene, relates to the technical field of unmanned vehicle positioning and navigation, and is used for solving the problems of low positioning accuracy, low stability, poor real-time response capability and the like in a dynamic complex environment in an existing method. The method is specifically achieved through an unmanned vehicle environment sensing and obstacle avoidance control system, the unmanned vehicle environment sensing and obstacle avoidance control system is provided with a sensor module, a vehicle-mounted computer module and a chassis control module, and the vehicle-mounted computer module is connected with the sensor module and the chassis control module. The sensor module is provided with a solid-state laser radar, a multi-line mechanical laser radar and an inertial measurement unit which are installed on the unmanned vehicle, and the chassis control module is provided with an accelerator and brake calibration meter and a driving execution unit. The method has the advantages that the positioning accuracy, stability and real-time response capability of the unmanned vehicle in a dynamic complex environment are effectively improved.

A detachable multi-stage automotive fastener clip attaches a body panel to a chassis slot. The fastener clip includes a U-shaped upper clip having at least two wings laterally spaced apart. The wings include: a wing tip, a bent wing, an inclined plane. A flex point is formed on a lower wing portion operative to engage and detach with the chassis slot. A U-shaped lower clip removably attaches to the U-shaped upper clip. At least two walls are laterally spaced apart at an open wall end. A ramp, a shoulder and a retaining ledge are formed on the at least two walls away from the open wall end operative to engage the inclined plane. A base at a closed end opposite the open wall end is formed such that the base is formed between a lower wall portion from each of the at least two walls forming a U shape.

The invention provides a control method, which is applied to an artificial intelligence experiment system, at least comprises a robot hardware platform, a controller, a wheeled robot chassis and an industrial mechanical arm, and the method comprises the following steps: starting an operation system and executing hardware self-inspection; loading a large language model service and a traditional AI model, wherein the traditional AI model comprises a speech recognition model, a target detection model and a semantic analysis model; a natural language instruction of a user is received, voice is converted into a structured text through a voice recognition model, an instruction intention is analyzed through a large language model and a semantic analysis model, robot control parameters are generated, and a multi-modal interaction control signal is obtained; based on the multi-mode interaction control signal, a camera is called to collect image data, the position and category of a target object to be grabbed by the robot are recognized through a target detection model, the moving path of the robot and the grabbing track of the mechanical arm are calculated in combination with laser radar data, and the wheeled robot chassis and the industrial mechanical arm are controlled to execute coordinated actions.

The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a transformer finned radiator convenient to maintain, which comprises an oil tank, a shell, an electric turntable and the like, a wind direction sensor is arranged on the oil tank; an oil tank is fixedly connected inside the shell; a chamber is arranged between the shell and the oil tank; the chassis is fixedly connected with an electric turntable, and a rotating part of the electric turntable is fixedly connected with the shell; a plurality of air inlets are formed in the surface of the shell, and air outlets opposite to the air inlets are formed in the surface of the shell; a plurality of cooling fins are fixedly connected to each side of the oil tank, cavities are formed in the cooling fins, and the cooling fins penetrate through the shell; a plurality of ventilation holes are formed in the portion, located in the cavity, of the cooling fin. The heat dissipation device has the advantages that in the heat dissipation process, the electric rotating disc drives the oil tank and the shell to rotate, external air is introduced into the cavity and flows in the cavity, cooling oil and cooling fins in the oil tank are subjected to primary heat dissipation, and the heat dissipation effect is improved.

A floor assembly for a motor vehicle has a front chassis module, in particular a front axle support, and a rear chassis module, in particular a rear axle support, as well as a housing of a stored electrical energy source, which is situated between the chassis modules as seen in the longitudinal direction of the floor assembly. The floor assembly includes at least one terminating component via which the housing of the stored electrical energy source can be fixed to a body part of the motor vehicle. The at least one terminating component is designed as a constituent part of at least one of the chassis modules. A motor vehicle includes such a floor assembly.

A method and system accurately identify vehicles during transit and may be used for tracking the vehicle. Images of discrete distinguishing characteristics of a vehicle, respectively, are captured at an unmanned monitoring station. The images are collectively analyzed to produce an individualistic identifier. The individualistic identifier is correlated with data representative of a particular vehicle stored as part of a database of vehicles. Accordingly, the particular vehicle present at the monitoring station can be identified so that the vehicle can be tracked. Furthermore, key assets of the vehicle, such as the tractor, chassis, and cargo box of a truck, can be identified during the process and by the system so that they can be tracked independently of one another.

The invention relates to a pedal assembly and a vehicle. The pedal assembly comprises a pedal support used for being connected with a chassis of the vehicle; the pedal outer edge is connected with the pedal bracket; the movable pedal is movably mounted on the outer edge of the pedal; the adjusting mechanism is connected with the pedal outer edge and the movable pedal and used for driving the movable pedal to move or rotate relative to the pedal outer edge so as to adjust the posture of the movable pedal. According to the pedal assembly, the adjusting mechanism can drive the movable pedal to move or rotate relative to the outer edge of the pedal so as to adjust the posture of the movable pedal, so that the pedal assembly has the pedal function for people to get on and off a vehicle, and the driving posture of the vehicle can be adjusted by adjusting the posture of the movable pedal; a special posture adjusting device does not need to be additionally and independently arranged, so that the occupied vehicle installation space is effectively reduced, integration of the pedal function and the posture adjusting function is achieved, and the practicability and adaptability of the vehicle in the complex driving environment are improved.

The invention provides a vehicle control method and a vehicle, the method is applied to the technical field of vehicle safety, and the method comprises the following steps: obtaining a planned driving track of a target vehicle; on the basis of the planned driving track and the planned driving track of the current vehicle, under the condition that it is determined that the target vehicle will collide with the current vehicle, the collision time of the target vehicle and the current vehicle is calculated, and the minimum lateral collision avoidance distance for collision avoidance is calculated; and matching a protection action of the current vehicle according to the collision time and the minimum lateral collision avoidance distance, and executing the protection action before collision with the target vehicle. The method solves the problems that an existing collision early warning system cannot dynamically adjust the vehicle posture in a short time, a traditional chassis system cannot cooperate with a steering and suspension system to disperse impact energy before collision, the height of a vehicle is fixed, the living space of a passenger compartment is compressed, collision avoidance is difficult to achieve, and the safety is high. And the living space of the passengers cannot be optimized during unavoidable collision.

The invention discloses an intelligent chassis preview control system and method based on a roadside sensor, and the system comprises a roadside sensing unit which is used for obtaining the road condition information of a line road, and transmitting the road condition information to a roadside communication base station; the roadside communication base station is used for preprocessing the road condition information and packaging the road condition information into a set format; the vehicle-mounted communication module is used for sending the road condition information with the set format to the vehicle-mounted controller; the vehicle-mounted controller is used for performing fusion processing on the road condition information and the vehicle state data, and analyzing the fused data by adopting a preview control algorithm model to generate a control instruction of the intelligent chassis executing mechanism; and the intelligent chassis executing mechanism is used for performing preview control on the vehicle chassis based on the control instruction. The method has the advantages that pre-judgment adjustment of the vehicle chassis is achieved, the safety and stability of vehicle driving are effectively improved, and the system reliability is enhanced especially under complex road conditions and severe weather conditions.

A system to transport infant children is provided. The system includes a base, a chassis releasably coupled to the base, and an infant car seat releasably coupled to the combination of the chassis and the base. The infant car seat having a first handle operable in a first function to release the infant car seat from the combination of the chassis and the base. The chassis comprises a frame; a pair of rear legs pivotally coupled to the frame at a rear leg pivoting axis; and a pair of front legs, each front leg pivotally coupled to a respective rear leg at a front leg pivoting axis, wherein the rear legs and the front legs are retracted and proximate the frame in a first transport condition, and wherein the rear legs and the front legs are deployable away from the frame to a second transport condition.

The present invention relates to the technical field of underground coal mine excavation supporting devices, and in particular to a single-arm wheeled bolt and anchor cable drilling jumbo for a coal mine. The drilling jumbo comprises a wheeled chassis, a multi-degree-of-freedom working arm, and an airborne automatic drilling rig; the wheeled chassis carries the whole drilling jumbo; a main structure is divided into a front frame and a rear frame; one end of the multi-degree-of-freedom working arm is fixedly connected to the tail of the rear frame, and the other end of the multi-degree-of-freedom working arm is connected to the airborne automatic drilling rig and has a plurality of motion degrees of freedom relative to the rear frame; the plurality of motion degrees of freedom constitute two-stage fine tuning acting on the airborne automatic drilling rig; the first-stage fine tuning positioning is achieved by lifting / lowering, left and right swinging, extension and retraction, and rotation of the working arm; the second-stage fine tuning positioning is achieved by left and right swinging, forward and backward folding, and vertical lifting / lowering of a leveling swing mechanism; large-range adjustment of the airborne automatic drilling rig is achieved by means of cooperation of the plurality of motion degrees of freedom, and the requirements of full-section roof, side, and floor bolting are met; and the present invention replaces a traditional mode in which a hand-held pneumatic bolt drilling rig and an existing bolt and anchor cable drilling jumbo are manually operated to perform supplemental bolt and anchor cable installation.

The invention relates to the technical field of agricultural machinery, and discloses an adjustable soil covering device for ginger planting, comprising: a mobile vehicle, the front side of the bottom of which is provided with a front wheel matched with the curved surface of a ridge, and the rear side of which is provided with a rear wheel with a ditch edge profiling structure; the central mixing bin is integrally formed in the middle of the mobile vehicle chassis, and a rotatable scattering disc is coaxially arranged in the central mixing bin. The mixing process of soil and fertilizer is innovatively integrated in the central mixing bin, and the fertilizer is sucked from a storage box through a Venturi negative pressure generator in a pneumatic conveying mode; the high-pressure fan provides airflow power to feed the materials into the mixing bin, non-blocking automatic fertilizer supply is achieved, the fertilizer and soil intersect in the bin, the materials are guided to spirally fall down by means of the tapered spiral flow guide column, the mixing path is prolonged, meanwhile, the ultrasonic vibration plate continuously vibrates to form lumps, it is guaranteed that the two materials are highly and evenly mixed, and the mixing efficiency is improved. And a mixed substrate with stable quality is provided for subsequent precise soil covering.

The invention relates to a clamping telescopic mechanism for large cylindrical battery production materials, and belongs to the technical field of battery production material transfer equipment. The clamping telescopic mechanism comprises a chassis, two fixed arms are slidably arranged on the chassis, and the opposite sides of the two fixed arms are slidably connected with first telescopic arms; the opposite sides of the two first telescopic arms are slidably connected with second telescopic arms, and synchronous belt transmission assemblies are arranged on the first telescopic arms; each second telescopic arm is provided with a driving piece, the driving piece is connected with a deflector rod, the opposite sides of the two second telescopic arms are provided with limiting plates, and the deflector rods are arranged close to the extending ends of the second telescopic arms compared with the limiting plates; a clamping assembly is installed on the chassis, a supporting assembly is further installed on the chassis, the supporting assembly is located between the two fixing arms, and the supporting assembly is used for supporting a tray. The telescopic pallet fork has the effects that the adaptability of the telescopic pallet fork to trays with different heights is improved, and stability and reliability are kept in the heavy-load transfer process.

The application discloses an intelligent electric chassis configuration and a fault-tolerant control method of the intelligent electric chassis, and relates to the technical field of electric chassis. The chassis configuration comprises a front axle centralized motor drive assembly, a rear axle distributed motor drive assembly, a front axle electronic hydraulic brake system, a rear axle electronic mechanical brake system and a chassis domain controller. The front axle centralized motor drive assembly comprises a centralized drive motor, a front wheel speed reducer and a drive half shaft which are sequentially connected. The rear axle distributed motor drive assembly comprises a left rear wheel end drive motor and a left rear wheel speed reducer which are sequentially connected, and a right rear wheel end drive motor and a right rear wheel speed reducer which are sequentially connected. The front axle electronic hydraulic brake system comprises a first main brake unit and a redundant brake unit. The rear axle electronic mechanical brake system comprises a second main brake unit. The chassis domain controller is used for controlling the centralized drive motor, the left and right rear wheel end drive motors, the first main brake unit, the redundant brake unit, the second main brake unit, a front axle steer-by-wire system, an intelligent suspension system and an intelligent tire. The application can improve the chassis safety and fault-tolerant capability to support high-level automatic driving functions.

A suspension system (400) for supporting a chassis (200) of a vehicle (100). The suspension system (400) comprises a suspension unit (442). The suspension unit (442) comprises a wheel arm assembly (444) comprising a first wheel arm (402) having a chassis mount end (410) and a wheel mount end (412). The chassis mount end (410) of the first wheel arm (402) are provided with a chassis mounting member (414), the chassis mount end (410) of the first wheel arm (402) and chassis mounting member (414) being pivotable relative to one another around a chassis mount pivoting axis (230). The chassis mounting member (414) is configured to support the chassis mount end (410) of the first wheel arm (402) so that the first wheel arm (402) and chassis mounting member (414) are operable to pivot 180 degrees relative to one another about the chassis mount pivoting axis (230).

A recreational vehicle may include a chassis, an axle assembly, a floor, and a vehicle body enclosing living quarters. A fluid storage vessel may be supported in the chassis. The chassis may include a first and a second longitudinal chassis member each having an upper and lower edge, and an inner and outer face. Cross members have a first and second ends connected to the first and second chassis member, respectively. The cross members have an upper and lower edges extending between the ends. The cross members have an end height at the ends and a midsection height that is greater than the end height. A transport area extends longitudinally between two cross members, transversely between inner faces of the longitudinal chassis members, and vertically between upper and lower edges of the cross members. The fluid storage vessel is disposed in at least a portion of the transport area.

The invention relates to a vehicle stability evaluation and early warning method and device, computer equipment and a medium. The method comprises the following steps: constructing a high-dimensional feature space fusing vehicle lateral, yaw, heeling and tire dynamic states; obtaining a vehicle dynamic state estimation value in the high-dimensional feature space based on the multi-source sensor data; determining a local stable manifold boundary representing the stable motion limit of the vehicle in the high-dimensional feature space according to the current vehicle driving condition; extracting stability risk characteristics of multiple dimensions in parallel according to a geometrical relationship and a dynamic evolution trend between a vehicle dynamic state estimation value and a local stability manifold boundary; generating a comprehensive risk level through a probability fusion model, and identifying a dominant instability mode; and when the comprehensive risk level exceeds a preset threshold value, triggering a corresponding predictive cooperative chassis control strategy according to the dominant instability mode. By adopting the method, multi-dimensional states can be fused in real time, and different instability modes can be recognized and distinguished in advance.

An anchor rod mounting trolley belongs to the technical field of tunnel construction and comprises a movable chassis, a grouting system and an operation system. The operating system comprises a working arm, a hanging basket device and a propelling device; the grouting system and the working arm are both installed on the movable chassis, the hanging basket device is installed on the working arm, and the propelling device is installed on the hanging basket device. The grouting system is used for injecting grout into an anchor rod hole; the working arm is used for adjusting the positions of the hanging basket device and the propelling device relative to the anchor rod hole; and the propelling device is used for inserting the anchor rod body into the grouted anchor rod hole. The mechanical degree can be improved, the labor intensity is reduced, the operation efficiency is improved, and the construction cost is reduced.

The application relates to a vehicle type traveling equipment. The vehicle type traveling equipment comprises a cutting assembly, a chassis, a cutting motor, a detection device and a control device. The cutting assembly comprises a mowing element for mowing. The chassis supports the cutting assembly. The cutting motor is arranged to drive the cutting assembly. The detection device detects a first operating parameter and a second operating parameter of the cutting motor. The control device controls the cutting motor to stop or slow down when the first operating parameter is in a first threshold range and the second operating parameter is in a second threshold range for a first preset time. The second operating parameter is different from the first operating parameter, and the second operating parameter at least comprises a rotating speed of the cutting motor. The application improves the accuracy of judging whether the cutting assembly works normally, and further improves the safety factor of the vehicle type traveling equipment.

The invention provides a steer-by-wire fault processing method and device based on distributed driving and a vehicle, and relates to the technical field of chassis control, the method can activate a distributed driving system to serve as a cross-system redundant execution unit in an extreme fault scene that a steer-by-wire system is completely invalid and loses steering execution capability, and the steer-by-wire fault processing efficiency is improved. The steering intention of a driver is converted into differential distribution of four-wheel driving torque, so that needed additional yawing torque is generated, the traditional mechanical or electric control steering function is effectively replaced, and active control over vehicle steering is achieved. According to the method, the function safety and controllability of the steer-by-wire vehicle when a key system fails are remarkably improved, the advantage of cooperation of multiple actuators of the electric chassis is fully utilized, high-reliability fault degradation processing is achieved, and the safety of a driver and passengers is guaranteed.

Disclosed are a chassis, a vehicle body structure, and a vehicle. The chassis comprises a frame (100), a power battery (200), and a water tank assembly (400). The frame comprises a front frame section (110), a middle frame section (120), and a rear frame section (130). The power battery and the water tank assembly are arranged side by side on the middle frame section, so that the center of gravity of the chassis shifts toward the center of the chassis, thereby improving the stability of the chassis and reducing the space occupation of the front frame section and the rear frame section, making the structure of the chassis more compact, and thus increasing the space utilization rate of the chassis.

A heavy-duty electric vehicle has a chassis frame, a first set of battery packs mounted on a left side of the chassis frame, a second set of battery packs mounted on a right side of the chassis frame, and a third set of battery packs arranged below the chassis frame in a space formed between the first and second sets of battery packs. All of the first, second and third sets of battery packs include battery packs having a same size in a transverse direction of the chassis frame. The vehicle is further provided with bridging beams extending along a longitudinal direction of the chassis frame and arranged to bridge at least one gap formed between i) any of the first and second sets of battery packs and ii) the third set of battery packs.

The invention relates to the technical field of intelligent recognition of transfer robots, and discloses a flexible transfer robot and an intelligent recognition system thereof.The flexible transfer robot comprises a chassis and a V-shaped groove feeding and discharging storage position, the upper surface of the chassis is fixedly connected with a truss supporting assembly, and a lifting assembly is arranged in the truss supporting assembly; compared with an existing operation system, compared with use of a mechanical arm moving device, the device is high in bearing capacity and low in maintenance cost, and compared with a track arranged on the mechanical arm moving device, the occupied area is small; compared with a truss manipulator, although the bearing capacity is high, the occupied space is large, equipment and site construction needs to be carried out in the two schemes, the equipment cost is high, by means of the flexible robot, the comprehensive cost can be saved by more than 2 million yuan, the equipment cost can be saved by 1.5 million yuan, the flexible robot can serve multiple production lines at the same time, no space is occupied, and the flexible robot is suitable for large-scale production. Construction transformation is not needed on site, and the product can be quickly switched within 10 minutes through the input-and-play flexible robot.