20851 results about "Rolling chassis" patented technology

To ensure the rigidity of a floor panel against a load in a vertical direction in an electric vehicle having a step in the floor panel.SOLUTION: A rear floor panel 10 of an electric vehicle has an inclined part 16 that extends while inclining upward as it heads for backward from a rear end of a plane part 12. A floor cross member 20 is disposed in a front part of the inclined part 16 on the side of an upper surface of the rear floor panel 10. An under-floor reinforcement 30 is disposed in the front part of the inclined part 16 on the side of a lower surface of the rear floor panel 10. A front end of the under-floor reinforcement 30 is disposed ahead of the front end of the inclined part 16, and a rear end of the under-floor reinforcement 30 is disposed on the inclined part 16. The under-floor reinforcement 30 and the floor cross member 20 are joined with the rear floor panel 10 therebetween.SELECTED DRAWING: Figure 6

A system to transport infant children is provided. The system includes a base configured to be secured to a portion of an automobile; a chassis independent from the base; a first release mechanism releasably coupling the chassis to the base; an infant car seat independent from the base and the chassis; a second release mechanism releasably coupling the infant car seat to the chassis; wherein the chassis and the infant car seat are releasable from the base as a combined unit upon operation of the first release mechanism; and wherein the infant car seat is releasable from the combined unit of the base and chassis upon operation of the second release mechanism.

An electrified fire fighting vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, a water pump, an energy storage system, an engine, an electric motor coupled to the engine and the energy storage system, and a power divider positioned between the electric motor, the water pump, and the rear axle. The power divider facilitates selectively driving the water pump and the rear axle with the engine and the electric motor.

A vehicle includes a chassis including a frame rail extending longitudinally, a tractive element coupled to the chassis, a cab coupled to the chassis and configured to support an operator, an electric motor configured to drive the tractive element to propel the vehicle, a battery configured to supply electrical energy to the electric motor, a heat exchanger, a cable electrically coupling the electric motor and the battery, and a conduit fluidly coupling the battery and the heat exchanger. The cable and the conduit extend laterally from the battery to the frame rail, and the cable and the conduit extend longitudinally along the frame rail.

The invention provides a robot adaptive motion planning method and system based on compliance control, the method adopts admittance control as a compliance algorithm, the compliance is stronger compared with the traditional rigid control, and different compliance degrees can be selected according to the environment; combining inverse kinematics, trajectory interpolation and environmental parameters to construct an optimal reset trajectory under the constraint of a joint space safety region; by sensing external acting force and dynamically adjusting control parameters, the flexibility of the robot in a complex working environment is improved; a chassis-mechanical arm joint kinematics model is provided, and the problem that the working space of a traditional mechanical arm is limited is solved.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

The invention relates to a dynamic load distribution method, device and equipment based on a vehicle body controller and a medium, and the method comprises the steps: collecting the mechanical load, electrical load and thermal load data of a vehicle body in real time through a distributed sensor network, and generating multi-source heterogeneous initial load data; performing standardization processing on the initial load data, and constructing a three-dimensional data cube type standard load data set; comprehensive characterization features are extracted through feature space mapping, and a fusion load feature set containing a threshold range is dynamically generated in combination with historical data; constructing a load correlation model based on the fusion features, and mapping to generate a steering and braking control parameter combination; and according to the real-time load threshold cross-border state, dynamically adjusting the task priority, allocating real-time calculation core resources to the chassis system, and generating an optimal allocation scheme. According to the method, the problems of multi-source load data fusion failure, resource allocation rigidity and safety task response delay in the prior art are solved, and dynamic load optimization of the vehicle body control system under complex working conditions is realized.

One variation of a system includes a modular kit. The modular kit includes: a driven axle configured to install on a bogie chassis supporting a trailer chassis of a trailer; a motor coupled to the driven axle; a battery assembly; a set of electrical cables; and a cable carrier. The battery assembly includes a set of retention features configured to transiently engage a set of engagement features on the trailer chassis to couple the battery assembly to the trailer chassis and is configured to: supply electrical energy to the motor to drive the driven axle; and receive electrical energy from the motor to regeneratively brake the driven axle. The set of electrical cables are configured to electrically couple the motor and the battery assembly. The cable carrier is configured to: locate between the bogie chassis and the battery assembly; and support the set of electrical cables over a range of longitudinal positions.

The invention relates to the technical field of robot intelligent control, in particular to a humanoid robot multi-modal environment sensing and self-adaptive chassis control method, which comprises the following steps: monitoring a contact force vector and a sliding trend in real time through a multi-dimensional touch sensor, mapping pose drift to a chassis coordinate system based on a Lie group constraint space-time synchronization layer, and performing multi-modal environment sensing and self-adaptive chassis control on the basis of a multi-dimensional touch sensor; a compensation vector is generated, a three-level tactile response layer dynamic switching force / bit mixed impedance mode is adopted, reverse translation of an omnidirectional chassis is combined to counteract drift, compensation parameters are optimized through a depth deterministic strategy gradient algorithm, and the system ensures control instruction time sequence alignment through a time-space stamp synchronization engine. The attitude oscillation in the compensation process is suppressed by using the inertial measurement unit, the obstacle avoidance interference domain is constructed based on the kinematics chain of the operation arm, and the compensation trajectory is smoothed by using the B-spline curve, so that the precision, stability and safety of the humanoid robot in the complex contact operation are improved, and an efficient and reliable solution is provided for a man-machine cooperation scene.

The invention relates to the technical field of automobile chassis simulation, and discloses an automobile chassis mechanism simulation optimization method based on digital twinning. The method comprises the following steps: firstly, acquiring a real-time operation data set of an automobile chassis mechanism, including multi-axis acceleration time sequence information, a suspension displacement monitoring sequence and the like, and synchronously transmitting the real-time operation data set to a cloud digital twin platform; constructing a hierarchical digital twin model comprising a suspension subsystem node, a steering mechanism node and a connecting component spatial constraint relation in the platform according to a chassis topological structure; performing multi-physics field feature extraction on the real-time operation data set to generate a chassis multi-physics field data set; executing multi-scale joint simulation calculation based on the model and the data set, and outputting a chassis dynamic response prediction result including fatigue damage distribution of the key connecting piece and the like; and finally, generating an optimization parameter adjustment instruction set according to the result, combining and feeding back to a physical chassis execution mechanism. According to the method, the real-time performance and precision of chassis simulation optimization are realized, and the chassis performance is improved.

The electronic apparatus includes a first chassis equipped with a first electronic component, a second chassis equipped with a second electronic component, a hinge device that relatively rotatably connects the first chassis and the second chassis, and a flexible board provided over the first chassis and the second chassis and connecting the first electronic component and the second electronic component. The flexible board has a first folded portion and a second folded portion that are disposed in order and curved in opposite directions to each other in the first chassis.

One example provides a chassis for an electric snowmobile including a battery pack. The battery pack includes a battery pack housing defining an enclosure for housing a number of battery modules for powering an electric motor of the electric snowmobile, the battery pack housing having a length extending in a longitudinal direction of the snowmobile, the battery pack housing including a bottom surface. A pair of opposing side panels extends downwardly from and along at least a portion of the length of the battery pack housing, the opposing panels and at least portions of the bottom surface of the battery pack housing together forming a rear structure extending in the longitudinal direction of the electric snowmobile.

The utility model provides a baby trailer with convenient storage, which comprises a trailer frame and a storage structure. The trailer frame comprises a front side frame, a rear side frame, a rear chassis frame. The front chassis frame is hinged with the front side frame. The rear chassis frame is hinged with the rear side frame. The storage structure is hinged with the front side frame and the rear side frame, so that the front frame and the rear side frame are capable of folded. The storage structure comprises two storage frames, a connecting rod. The connecting rod is connected with the left storage frame, the connecting rod is connected with the right storage frame. The ends of the front chassis frame and the rear chassis frame are movably placed on the connecting rod. The baby trailer has the advantages of convenient storage and small occupied space after storage.

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 modular system for drones is provided. A chassis can include a coupling mechanism operable to removably couple the chassis with a drone. A plurality of modular components can be operable to be interchangeably coupled with a control component. The modular components can be operable to be detachably coupled with a payload.

The invention belongs to the technical field of humanoid robots, and particularly relates to a heavy-load anti-explosion humanoid robot which comprises modular components and a multi-mode sensing network. The modular component comprises a movable chassis assembly used for providing omni-directional movement for the robot; the lifting assembly is fixed to the upper portion of the movable chassis assembly and used for providing lifting driving force; the body assembly is connected with the lifting assembly through the waist synchronous joint module and can be driven by the lifting assembly to ascend and descend; the head assembly is connected with the body assembly and cooperates with the lifting assembly to achieve visual field adjustment by configuring rotating modules in three directions; the multi-mode sensing network is distributed on the head assembly, the body assembly and the mobile chassis assembly through combination of a plurality of sensors in a space full-coverage strategy, and real-time obstacle cross validation, target positioning and obstacle and narrow channel detection in the space can be achieved. The problems that the target detection and obstacle avoidance effects of the robot are poor, the operation load is insufficient, and the operation range is small are solved.

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.

A refuse vehicle includes a cab, a refuse compartment, a chassis, a high voltage power distribution unit (HVPDU) including a battery, a plurality of cables and a manual service disconnect. The manual service disconnect is accessed via a through hole of a wheel well of the refuse vehicle. The refuse vehicle further includes a platform removably coupled to the chassis and the HVPDU and configured to enclose the high voltage power distribution unit.

The present invention relates to the technical field of sporting goods and particularly relates to a magnetic positioning stand for a golf bag. It is mainly composed of a chassis, support rods, a head frame, support legs, support steel wires, and a bag body; the chassis and the head frame constitute a cylinder structure with an open upper end and a closed lower end via the support rods; one end of the support steel wire is hinged at the end of a large chassis, and the other end is connected to the middle section of the support leg; the top of the support leg is hinged at the outside of the head frame in the same direction as the support steel wire is hinged at the end of the large chassis; the bag body surrounds the periphery between the chassis and the head frame.

The invention provides an intelligent spraying composite robot system based on a large language model and a method thereof, and relates to the field of intelligent robots and automatic spraying, the intelligent spraying composite robot system comprises a chassis, a mechanical arm, a spraying gun, a camera, an instruction receiver and a controller; a mechanical arm and an instruction receiver are carried on the chassis; spray guns and cameras are mounted on the mechanical arms; the instruction receiver receives a natural language voice instruction, analyzes semantics through a large language model, and generates an action instruction; the controller comprises a motion control module, a three-dimensional point cloud data acquisition module, a feature point extraction module, a track planning module and a spraying operation module; the method improves the man-machine interaction, reduces the use threshold of the robot, is easy to operate, gives play to the spraying advantages of the composite robot, does not need to program in mainstream offline simulation software, can generate a spraying path with adjustable and controllable parameters only by collecting the point cloud template of the workpiece and selecting the feature points, and can be widely applied to furniture, furniture and the like. And spraying operation in the fields of automobiles, aerospace and the like.

Methods, systems, and devices for providing computer implemented services are disclosed. To provide the computer implemented services, a data processing system may include various hardware components. To secure the various hardware components, the data processing system may include a security bezel. The security bezel may for a chassis of the data processing system, the hardware components being positioned on an interior of the chassis. The security bezel may have a structural body that has a length that is equal to or less than a length of a two-dimensional surface through which access to the interior is provided. The security bezel may further have an adjustable member adapted to adjust a length of the structural bezel to match the length of the surface while reversibly securing the structural body to the chassis.

The invention provides a vehicle anti-skid control method, device and system and a vehicle. According to at least one driving wheel of the vehicle, the chassis wheel speed, the actual wheel speed, the wheel end actual torque, the adhesion coefficient, the total wheel load, the target slip rate, the wheel radius and the vehicle speed are obtained; a feedforward control torque is determined according to an attachment coefficient, a total wheel load and a wheel radius, a wheel speed deviation is determined according to a target slip rate, a chassis wheel speed and an actual wheel speed, a torque deviation is adjusted through a vehicle speed, the attachment coefficient and the wheel speed deviation to obtain a feedback control torque, and the feedback control torque and the attachment coefficient are superposed to serve as an output torque for vehicle anti-skid control. Dynamic wheel load changes and wheel load changes caused by the vehicle on the ramp road surface are considered, the total wheel load is estimated in real time, feed-forward control is introduced to obtain the feed-forward control torque, feedback control is compensated, and the stability and accuracy of anti-skid control are enhanced when the ramp road surface and the loads change.

An electric work vehicle includes a chassis, a battery housing to house a plurality of battery modules, a liquid cooling system, at least one electric motor, and at least one inverter. The liquid cooling system includes a pump, a radiator, and a fan. The battery housing is supported by the chassis. The at least one inverter is electrically connected to the plurality of battery modules and the at least one electric motor. The pump is attached to a back surface of the battery housing. The radiator and the fan are attached on a front surface of the battery housing. The at least one inverter is attached to a side surface of the battery housing that faces a width direction. The at least one inverter and the at least one electric motor are mounted between the fan and the pump in a front-rear direction.

The invention provides a ship surface spraying device. The ship surface spraying device comprises a lifting driving source, a lifting transmission mechanism, a movable walking chassis assembly, a plurality of equipment rooms, a tower, a control tower capable of being installed on the tower in an up-down moving mode, a telescopic arm capable of stretching out and drawing back horizontally and spraying equipment. The walking chassis assembly comprises a walking chassis and a pair of driving wheels installed on the walking chassis in the walking direction perpendicular to the walking chassis, each driving wheel comprises a walking driving source installed on the walking chassis and a rotatable driving wheel body, and the walking driving sources are in transmission connection with the driving wheel bodies. The walking driving sources of the two driving wheels are mutually independent; the multiple equipment rooms, the lifting driving source and the tower are all fixedly installed on the top of the walking chassis, the lifting driving source is in transmission connection with the control tower through the lifting transmission mechanism, the inner end of the telescopic arm is installed on the control tower, and the spraying equipment is installed at the outer end of the telescopic arm. According to the spraying equipment, automatic spraying operation on the outer surface of the ship is achieved, and the spraying efficiency is high.

A composite superstructure of a straddle-type vehicle, such as a snowmobile, formed from a fiber reinforced polymer and extending from a forward section coupled to a forward portion of a chassis of the vehicle to a rearward section coupled to a rearward portion of the chassis, where the superstructure defines at least one steering post mount configured to couple with a portion of a steering assembly of the vehicle.

The invention relates to equipment and a method for water-guided laser collaborative forcible entry of a reinforced concrete pile head based on artificial intelligence recognition, and belongs to the technical field of forcible entry equipment. Comprising a mobile chassis; the rack is mounted on the movable chassis; the water jet system is mounted on the rack and is provided with a first working part; the mechanical drill bit system is mounted on the rack and is provided with a second working part; the identifying and positioning module is used for collecting real-time data of a three-dimensional structure, steel bar distribution and a forcible entry area of the pile head; and the control unit is in communication connection with the identifying and positioning module, the water jet system and the mechanical drill bit system, and the control unit receives data of the identifying and positioning module to generate a forcible entry strategy and a mechanical drill bit path plan so as to guide the first working part and the second working part to cooperatively work. The technical problems that in the prior art, impact force of water jet forcible entry is limited, and the forcible entry efficiency of a hard core layer and a complex forcible entry environment is not high are solved.

The invention discloses a chassis coordination control method and system based on tire side deviation state evaluation, and relates to the technical field of four-wheel steering four-wheel drive vehicle dynamics control. The method comprises the steps that an expected front wheel rotation angle is determined based on an expected steering wheel rotation angle input by a driver, and a front wheel rotation angle is determined; further determining a feed-forward front wheel steering angle, a feed-forward rear wheel steering angle and an additional yaw moment based on feed-forward control and feedback control, determining a first tire slip angle and a second tire slip angle based on a road adhesion coefficient, and further determining a wheel torque control weight, a feedback front wheel steering angle control weight and a feedback rear wheel steering angle control weight; and further determining a driving yaw moment, a feedback front wheel steering angle and a feedback rear wheel steering angle, determining a total longitudinal force based on an expected longitudinal acceleration input by a driver, and performing four-wheel torque distribution based on the total longitudinal force and the driving yaw moment to obtain a four-wheel driving torque. The driving stability of the vehicle under the limiting working condition can be improved.

The utility model relates to the technical field of shock absorption, in particular to a rubber foot pad, which is applied to a compressor and comprises a supporting top seat, a supporting base, an anti-deviation structure and a rubber pad, the top of the supporting top seat is provided with a mounting part and a buffer area room, one end of the rubber pad is fixedly arranged at the bottom of the supporting top seat, and the top of the supporting base is fixedly connected with one end, far away from the supporting top seat, of the buffer area room. The mounting part is arranged at the bottom of the supporting base, and the mounting part, the supporting top seat, the buffer area room and the supporting base are all hollow, so that a polish rod at the bottom of a compressor can be inserted conveniently, and the damping effect of the rubber foot pad is improved by designing the buffer area room and changing rubber components, namely adjusting hardness and density; friction between the supporting base and a compressor chassis is increased, displacement caused by vibration is reduced, and therefore vibration and abnormal noise of an outdoor unit are reduced.