21 results about "Ride quality" patented technology

A system includes: one or more processors; and memory storing instructions, executable by the one or more processors. The instructions, when executed by the one or more processors configure the one or more processors to: obtain data indicative of a ride quality issue at an upcoming location at a worksite at which a work machine performs a current operation; identify a ride quality issue at the upcoming location at the worksite based on the data; and control the work machine based, at least, on the ride quality issue at the upcoming location at the worksite.

This invention relates to the field of intelligent highway maintenance technology, specifically to a method for predicting performance degradation and making maintenance decisions for asphalt pavement on highways. The method includes the following steps: S1, collecting multi-source data from highway sections, including static structure, dynamic traffic, environmental monitoring, and historical data; S2, using an LSTM model to predict pavement performance indicators for future periods based on the multi-source data, including the Pavement Damage Index (PCI), Ride Quality Index (RQI), Rutting Depth (RD), and Skid Resistance Index (SRI); S3, detrending the performance indicators to obtain a stationary residual sequence, and calculating the critical degradation index; S4, comparing the critical degradation index with a preset warning threshold and safety threshold, and adaptively adjusting the maintenance trigger threshold based on the comparison result; S5, using the adjusted maintenance trigger threshold as a constraint condition, inputting it into a multi-objective genetic algorithm to generate the optimal maintenance plan.

This invention discloses a human-machine dual-pre-aiming coupled and stable front axle active suspension control method and system, belonging to the field of vehicle active suspension control technology. This invention integrates driver control pre-aiming and machine road surface pre-aiming to construct a human-machine dual-pre-aiming coupled dynamic model, accurately characterizing the impact of coupled disturbances on the suspension, achieving quantitative determination of stability and hierarchical collaborative control. The system dynamically optimizes multi-objective control weights based on real-time operating conditions, prioritizing ride comfort in stable operating conditions and safety in emergency and dynamic operating conditions, achieving a synergistic improvement in comfort and stability. With zero hardware increments and lightweight algorithms, it can be directly integrated into the vehicle ECU, reusing onboard sensing and execution components, adapting to mass-produced solutions such as CDC and air suspension, and can be coordinated with ESP and ABS for overall vehicle ride quality, handling safety, and system robustness, possessing excellent engineering practicality and promotional value.

The application relates to the technical field of automobile suspension systems, in particular to a rear suspension arrangement structure of a rear-drive automobile, which mainly comprises a fixing frame, a drive axle is fixedly installed on one side of the fixing frame, and further comprises a supporting mechanism arranged on both sides of the fixing frame and a damping mechanism arranged on both sides of the fixing frame. The shock absorber and the elastic piece are arranged to damp and buffer the vehicle, the limiting strip, the arc-shaped groove and the arc-shaped rod are arranged to limit the shock absorber, when the shock absorber rotates a certain angle to damp and buffer the vehicle, the rotating of the shock absorber is ensured to be more stable, when the shock absorber rotates a certain angle to damp, the hinged block one drives the supporting rod and the hinged block two to move to extrude the elastic piece two, the elastic piece two again dampens and buffers the device, under the double damping effect, when the vehicle continuously runs for a long time, the double damping effect is more stable, the damping effect is not prone to decrease, the comfort of the passengers is ensured, and the overall driving and riding quality is improved.

1. The name of the design product: escalator ride quality measurement instrument. 2. The use of the design product: for monitoring abnormality of elevator mechanical parts. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of vehicles, and discloses a vehicle, a control method and device of the vehicle, a storage medium and a controller, and the control method of the vehicle comprises the steps that driving parameters of the vehicle, the current torque of an engine and historical torque data are obtained; obtaining the target torque of the whole vehicle according to the driving parameters of the vehicle; the target torque of the driving motor is obtained according to the whole vehicle target torque and the current torque of the engine; and when it is determined that the vehicle is in the excessive acceleration and deceleration working condition according to the whole vehicle target torque, the target torque of the driving motor and historical torque data, a generator is controlled to output negative torque so as to offset positive torque output by an engine. According to the technical scheme, transmission impact caused by double-torque zero crossing can be eliminated, the smoothness is guaranteed, meanwhile, the energy recovery capacity of the driving motor is reserved, and unified improvement of the driving texture and the fuel economy is achieved.

Systems and methods for improving aerial ride quality based on user feedback accessed from an aerial vehicle and devices associated with passengers are provided. A network system receives, from one or more devices associated with a passenger on an aerial vehicle, feedback data regarding a flight, whereby the feedback data is associated with an issue experienced by the passenger. The network system then identifies a root cause of the issue experienced by the passenger on the aerial vehicle. The identifying may include correlating the feedback data with other data associated with the flight. A mitigation action to mitigate the issue is determined. The network system may determine whether to trigger the mitigation action based on a corresponding threshold and can trigger the mitigation action to occur accordingly.

The application discloses a kind of mine dump truck's smoothness evaluation system and method, comprising: data acquisition module, the data acquisition module includes several triaxial accelerometer, displacement sensor, respectively for collecting vibration acceleration data and displacement data;Data analysis module, the data analysis module is used to receive vibration acceleration data and displacement data, and analysis obtains smoothness comprehensive evaluation value and seat comfort matrix.The present application evaluates the smoothness of mine dump truck by smoothness comprehensive evaluation value and seat comfort matrix, improves the problem that existing smoothness method evaluation is inaccurate caused by road condition, speed, seat low-frequency large-scale movement etc., improves the accuracy and transverse comparability of smoothness evaluation result.

A covering shelf apparatus for a vehicle may include a front end portion and a rear end portion configured to be folded and stacked in multiple layers, where the front end portion is configured to be rotated and folded downward relative to the rear end portion, such that a reclining operation of a rear seat is allowable, thereby improving ride quality and marketability.

1. The name of the design product: detector (elevator ride quality and acceleration and deceleration). 2. The use of the design product: for elevator operation and maintenance detection. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: front view. 5. The appearance design claimed contains color. 6. The right view and the left view are symmetrical, and the right view is omitted.

1. The name of the design product: elevator ride quality measuring instrument. 2. The use of the design product: used in elevator inspection and detection site, placed on the elevator car floor to quickly obtain three orthogonal direction acceleration data in the process of elevator operation, and automatically analyze and display elevator three-axis vibration parameters and operation characteristic parameters. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A device and method of controlling suspension settings according to a steering mode of a vehicle determines an attitude of a vehicle to easily secure a driver's field of view depending on various steering modes of the vehicle and determines a roll angle or pitch angle of the vehicle accordingly to control a suspension, so that a driver's anxiety or uncomfortableness caused by steering modes may be eliminated by securing the driver's field of view, and a driver's ride quality may be improved by allowing the driver to identify driving conditions that vary depending on a driving mode from a driver's view.

An electric vehicle may be equipped with an adaptive suspension system that includes a chassis, a suspension system coupled to the chassis, and at least one helper spring configured to assist the suspension system. The vehicle may include at least one sensor configured to measure suspension travel, including vertical displacement between the vehicle's wheels and body. A controller, coupled to the helper spring and the sensor, may adjust the stiffness of the helper spring based on the measured travel. The stiffness of the helper spring may be varied in response to changes in load, such as added or removed weight, to improve ride quality, stability, and handling. The system may further include multiple helper springs, a user interface for manual adjustment, and an automatic adjustment feature based on the suspension's measured travel.

The application provides a control method, device and system for improving cross-direction ride comfort of an airplane, and belongs to the technical field of flight control. Three sets of lateral acceleration sensors are arranged on the longitudinal axis of the airplane, and are respectively located at the front cabin nose, the airplane body centroid and the rear cabin tail, so as to obtain lateral overload signals of different positions of the airplane when the airplane is disturbed by crosswind. In combination with three-axis angular velocity signals of the airplane, the front cabin additional lateral overload and the rear cabin additional lateral overload are obtained after filtering processing. Through gain adjustment and amplitude limiting superposition, target aileron differential instructions and target rudder instructions are formed, the aileron and the rudder are deflected to generate lateral force and moment, the lateral force influence brought by the gust disturbance is offset, and the purpose of improving the passenger ride comfort is achieved. The application has simple hardware structure, high signal reliability and easy engineering implementation, and can be used for improving the long-time cross-direction ride quality of a large passenger airplane.

A system comprises: one or more processors; and a memory that stores instructions executable by the one or more processors. When executed by the one or more processors, the instructions configure the one or more processors to: receive data indicating an upcoming ride quality problem at a location where a working machine is performing an ongoing operation; identify a ride quality problem at the upcoming location at the location based on the data; and control the working machine, at least based on the ride quality problem at the upcoming location at the location.

A shock bypass tube having a tubular extension for a hydraulic shock of a vehicle is provided. The tubular extension is secured to an end portion of the shock bypass tube having a reduced tubular portion. The tubular extension increases the length of the bump stage or zone of the hydraulic shock when a piston of the hydraulic shock travels beyond oil outlet apertures of the shock bypass tube. The increased length of the bump stage or zone enhances the performance and ride quality of the hydraulic shock.

The invention discloses a flexible shock absorption and transmission system of a motorcycle. The flexible shock absorption and transmission system comprises a frame and four independently-designed rubber shock absorption supports which are installed at the corresponding positions of the frame and connected with corresponding engine feet. The tensioning device is arranged on a movable hinge supporting point of the frame and is positioned in the middle of the transmission belt (chain); the tensioning device is formed by combining a tensioning arm, a positioning bolt capable of constraining a movable direction, a tensioning spring for providing a set thrust value and a tensioning wheel (chain wheel) which is propped (clamped) on the outer side of the transmission belt (chain); one end of the transmission belt (chain) is connected with an engine output end driving belt wheel (chain wheel), and the other end is connected with a driven belt wheel (chain wheel) positioned on a rear wheel (driving wheel); according to the invention, vibration can be effectively absorbed, resonance and mechanical resonance sound can be eliminated, the service life is prolonged through flexible buffering, automatic control and adjustment-free maintenance are realized, the driving texture and comfort are greatly improved, the cost performance is high, and the device is suitable for all motorcycle types driven by belts, chains and shafts.

In an aspect of a vehicle control device, a vehicle control method, and a vehicle control system according to the present invention, in a case in which a preceding vehicle running ahead of a host vehicle is present when a host vehicle running route on which the host vehicle runs is obtained based on a road shape on which the host vehicle runs and an index related to movement of the host vehicle in forward information about the host vehicle, the host vehicle running route is obtained using information related to a running position or a running history of the preceding vehicle in the forward information. This configuration enables both of comfortable ride quality of the host vehicle and a capability of the host vehicle to naturally follow the preceding vehicle to be satisfied.

In an aspect of a vehicle control device, a vehicle control method, and a vehicle control system according to the present invention, in a case in which a preceding vehicle running ahead of a host vehicle is present when a host vehicle running route on which the host vehicle runs is obtained based on a road shape on which the host vehicle runs and an index related to movement of the host vehicle in forward information about the host vehicle, the host vehicle running route is obtained using information related to a running position or a running history of the preceding vehicle in the forward information. This configuration enables both of comfortable ride quality of the host vehicle and a capability of the host vehicle to naturally follow the preceding vehicle to be satisfied.

A track system for traction of a vehicle (e.g., an agricultural vehicle) in which the track system is designed to enhance traction and / or ride quality (e.g., reduce vibrations), when travelling on a soft and / or uneven ground area (e.g., an agricultural field) and / or when roading, by providing an improved suspension functionality (e.g., with plural articulations and resilient effects).

The present disclosure provides an electric vehicle in-vehicle noise and vibration source identification method, an electronic device and a medium, the method comprising: acquiring in-vehicle multi-channel acoustic signals and vehicle body structure multi-channel vibration signals collected when the electric vehicle is in different operating conditions, wherein the in-vehicle multi-channel acoustic signals include earphone noise signals arranged near the ears of passengers in the vehicle; performing psychoacoustic analysis based on the earphone noise signals to obtain psychoacoustic parameters of the earphone noise signals on the frequency band scale, and determining the key frequency band of perception dominance; extracting features of the earphone noise signals according to the key frequency band, and determining the key diagnostic frequency; identifying the dominant noise contribution channel and the dominant vibration contribution channel according to the key diagnostic frequency, and obtaining the in-vehicle noise identification result and the vibration source identification result. The present disclosure can accurately lock the real problem source affecting the sound quality, improve the actual subjective feeling of the in-vehicle driver and passenger, and improve the driving and riding quality of the vehicle.