1064results about How to "Easy ride" patented technology

The invention provides a double-motor skidproof differential drive axle used in electric automobiles, which comprises two driving motors, a speed reducer and an output axle which is connected with theThe invention provides a double-motor skidproof differential drive axle used in electric automobiles, which comprises two driving motors, a speed reducer and an output axle which is connected with the speed reducer. The two driving motors are arranged face to face in the middle of the driving axle and connected into a whole through the shell of the speed reducer. The power output by the two drivinspeed reducer. The two driving motors are arranged face to face in the middle of the driving axle and connected into a whole through the shell of the speed reducer. The power output by the two driving motors converges together and flows into the speed reducer; and then the power further drives the left and the right wheels of the electric automobile to rotate through the output axle which is conng motors converges together and flows into the speed reducer; and then the power further drives the left and the right wheels of the electric automobile to rotate through the output axle which is connected with the speed reducer. The driving motors and the speed reducer can be arranged in an engine chamber to achieve compact structure and save space. Simultaneously, in order to solve the problem oected with the speed reducer. The driving motors and the speed reducer can be arranged in an engine chamber to achieve compact structure and save space. Simultaneously, in order to solve the problem of skidding, a skidproof differential device is also arranged in the speed reducer.f skidding, a skidproof differential device is also arranged in the speed reducer.

The mower front independent suspension assembly in some embodiments of the present invention includes a first suspension arm connected to the front of the lawn mower frame and a second suspension arm connected to the side of the lawn mower frame. In some embodiments, the first suspension arm is connected to the front of the frame at or near the longitudinal center of the frame, while the second suspension arm is connected to the side of the frame a distance from the front of the frame. Also, in some embodiments the cutter deck of the lawn mower is connected to the front independent suspension assemblies for movement therewith.

The invention relates to a processing method and device of taxi taking software. The method comprises the steps of: obtaining first preset information, wherein the first preset information includes at least one from current position information of a passenger in a riding order, moving speed information of the passenger, current position information of an order receiving vehicle of the riding order, moving speed information of the order receiving vehicle and road condition information, and destination position information of the passenger; according to the first preset information, determining a recommended get-in place for the passenger; and sending the recommended get-in place to a client end of the passenger and displaying the recommended get-in place. According to the technical scheme, the final determined get-in place is enabled to be more scientific and reasonable, the riding of the passenger is facilitated, the trouble of determining the final get-in place is relieved for the passenger and a driver, and the experience of the passenger or the driver is optimized.

A method for drilling in unconsolidated formation is taught. In particular, a method for borehole stabilization in an unconsolidated formation includes providing a drill string; rotating the drill string to drive a drill bit to drill a borehole having a borehole wall; driving the drill string against the borehole wall while rotating the drill string to plaster the surface of the borehole wall.

The invention relates to an elevator and a robot elevator taking method and device. The robot elevator taking method comprises following steps that a robot sends a calling instruction to an elevator control system, the elevator control system controls a designated elevator to run to the floor where the robot is located according to the calling instruction, the robot enters a lift car of the designated elevator, the state information of the designated elevator is called, whether the state information meets the robot elevator taking preset condition or not is judged, if yes, a target floor instruction is sent to the elevator control system, the elevator control system controls the designated elevator to run to the target floor of the robot according to the target floor instruction, and the robot is away from the lift car of the designed elevator; according to the method, the robot can conveniently and rapidly take the elevator designed according to the human body needs, a user does not need to go downstairs for treating the work not completed by the robot, operation is easy, work efficiency is improved, and manual cost is reduced.

The invention discloses a reactive polymer waterproofing coiled material which comprises a fetal membrane layer, a reactive composite rubber layer and an anti-sticking isolation film layer; the reactive composite rubber layer is covered on the surface of the fetal membrane layer, and the anti-sticking isolation film layer is covered on the other surface of the reactive composite rubber layer; thereactive composite rubber comprises the following components in percentage by weight: 85.0 to 92.0 percent of SIS hot melt adhesive, 3.0 to 5.0 percent of talcum powder, 2.0 to 3.5 percent of composite ore powder, 1.0 to 2.5 percent of gaseous silica, 0.5 to 2.0 percent of silane coupling agent, and 0.5 to 2.0 percent of nano calcium carbonate. The waterproofing coiled material can have chemical cross-linking reaction and be cured with a cast-concrete matrix, fundamentally avoids 'watermoving between layer', and has the advantages of high strength, high toughness, aging resistance, long service life and the like.

An electrical vehicle including a vehicle body, a passenger compartment, a chassis supporting the passenger compartment, a plurality of wheels and at least one electrical motor for driving the wheels. A battery compartment of the vehicle is configured to removably mount therein a plurality of more than two rechargeable batteries which are movable into position in the battery compartment by a battery conveyor system which has a battery access opening through which batteries are installed or removed, one by one, to and from the battery compartment. In the battery compartment, a connection mechanism effects the needed mechanical and electrical connections. An overall control system controls the conveyor system and the connection mechanism to enable rapid replacement of the removable batteries, whereby an electrical vehicle can be instantly driven, even after its batteries have been discharged by a replacement of the discharged batteries and the installation of freshly charged batteries.

The invention discloses an automobile air conditioner control mode. An air quality control system is provided as a subsystem in an automobile air conditioner control system (11). An air quality inductor and an air cleaner are disposed in the air quality control system, are disposed at a ventilation position of the automobile air conditioner, and are connected with the air quality control system by a signal circuitry. The air quality control system is combined with the air conditioner control system, and the automobile air conditioner system is controlled by using a simple switch mode of the working mode. Each parameter of the air in the automobile such as temperature, humidness, air quantity or wind direction is controlled automatically, new wind is replenished and purified, air quality and riding comfort are enhanced, the control method is simple to be implemented, and convenience is provided for the old and babies especially.

A mower including a frame having a front portion, a rear portion, and at least one central longitudinal beam. The at least one beam is parallel with a longitudinal axis passing from the front portion to the rear portion of the frame. First and second wheels are positioned on opposite sides of the front portion of the frame and are spaced to define a track width of the mower, with the track width being a distance between a center portion of each of the first and second wheels. The first and second wheels pivot about a first longitudinal pivot axis and a second longitudinal pivot axis, respectively. The first and second longitudinal pivot axes are laterally spaced from the longitudinal axis between about 0% and about 20% of the track width.

The invention discloses a vector distribution control method for torque of a distributed-driven electric automobile. Through the relation between vehicle driving state stability and the expected yaw velocity under a vehicle dynamical model, an ideal motion state of a vehicle under generalized additional yawing moment is worked out, and control stability of a system is judged and analyzed through the expected yaw velocity so as to determine whether yawing moment control is required or not; a tyre longitudinal slip rate is set as a specific value in a stable state, and driving torque is precisely distributed under the condition that a coefficient of road adhesion is met. Through reasonable distribution of driving or braking torque of front and back axles, the response speed to the expected yaw velocity can be remarkably increased, so that the vehicle has an ideal motion state when passing a curve, the problem of difficult steering of the vehicle when acceleration is not enough is effectively restrained, curve passing efficiency is improved, vehicle driving stability and smoothness are improved, control burden of the driver is remarkably reduced, and driving safety is improved.

The invention discloses an automobile active anti-collision automatic lane change control system and an operating method thereof. The system comprises a real-time driving safety state judging module and an automatic lane change control module which are connected with each other; the real-time driving safety state judging module comprises a critical braking distance calculation module and a safety state judging module unit; the automatic lane change control module comprises a lateral dynamics and CarSim vehicle dynamics model establishing module, an expected yaw velocity acquiring module and a design terminal sliding formwork lane change controller module. The method includes two steps of driving safety state judgment and automatic lane change control. The system and method adopt pedestrians in front as the study objects of active anti-collision, whether driving is in the dangerous state or not can be judged by calculating the critical braking distance and corresponded automatic control is performed, the smoothness and operating stability during lane change are guaranteed, and safety of the pedestrians in front is guaranteed.

The invention discloses a method and system for gear shifting control of a hybrid car in a parallel connection mode. The method comprises the following steps: when the detected car speed meets a gear shifting condition, power sources are controlled to be unloaded; a clutch is controlled to be disengaged; the hybrid gear is controlled to be put into an idle gear; after the idle gear is engaged, the rotating speed of a driving motor is controlled to be adjusted to a target rotating speed; the adjusted actual rotating speed of the driving motor is taken as the target rotating speed, and the rotating speeds of an engine and an ISG motor are adjusted; after the adjustment, the hybrid car is put into a target gear; after the target gear is engaged, the clutch is controlled to be engaged, so that a gear shifting process is finished. The method and system have the advantages that the technical problems that in the prior art, the possibility of power source control conflict is high, so that the engine and the ISG motor are not integrated for control, and the conventional control process is complex can be solved; a gearbox controller is utilized for controlling the torque of the clutch and power sources during the gear shifting process, an active rotating speed adjustment process is added, and the engine and the ISG motor are integrated for control, so that the control during the gear shifting process is simple, the gear shifting time is shortened, and smooth gear shifting is realized.

The invention discloses a public transportation service system and method based on an electric automobile. The system comprises a travel demand collecting module, a vehicle dispatching module, a vehicle monitoring and management module, an information service module and an auxiliary decision making module, wherein the travel demand collection module realizes the vehicle appointment, and achieves the goals of completing the online payment of the travel cost of a passenger after the calculation on the travel cost of the passenger and generating a corresponding payment completion two-dimensional code, and the two-dimensional code is used as a vehicle taking evidence; a dispatching management module performs demand overall planning analysis according to appointment information obtained by the travel demand collection module, and configures and completes a route operation time table; the auxiliary decision module realizes the basic data management and operation statistic analysis. The public transportation service system and method based on the electric automobile can achieve the goal of providing the convenient and comfortable travel service for the public; meanwhile, integrated monitoring covering the vehicle operation whole process is realized; the resource intensification is realized.

Methods and systems for scheduling a shared ride among commuters are disclosed. A shared ride may be created by first receiving a destination area and ride input factors from a rideshare subscribed entity, then generating a unique URL associated with the destination area. The unique URL is then transmitted to potential commuters. Users who access the URL input their commuter registration information, which may include commuter travel information, work schedule, home address, and whether the commuter currently drives or carpools to a destination location. A rideshare group is formed by applying a group formation algorithm with the processor to the commuter registration information, the destination area, and the at least one ride input factor to generate an output representing identity information for the rideshare group of commuters, at which point a shared ride is scheduled.

In some embodiments, the present invention provides a mower including a frame having a front portion and a rear portion, at least one front wheel coupled to the front portion of the frame, and two drive wheels on substantially opposite sides of the rear portion of the frame. Each drive wheel is coupled to the frame by a first link pivotably coupled at one end to the front portion of the frame and at an opposite end to the drive wheel, and a second link pivotably coupled at one end to the rear portion of the frame and at an opposite end to the drive wheel. The mower also includes at least one spring positioned to bias the drive wheels in a downward direction. Each of the drive wheels are movable upward and downward relative to the frame.

A running object includes a body, at least two drive wheels disposed on a first axle, and at least one driven wheel disposed on a second axle. The running object is capable of switching between a standing posture in which the driven wheel is suspended in the air and a stable posture in which the driven wheel is placed on the ground. The running object includes a storing device that stores a target incline pattern that chronologically describes the target incline angle of the body during a transition from the standing posture to the stable posture; a detecting device that detects the incline angle and / or the incline angular velocity of the body; a torque calculating device that calculates torque based on a deviation between the target incline pattern stored in the storing device and a detection value detected by the detecting device; and an actuator for applying the torque calculated by the calculating device to the drive wheels.

The invention discloses a power switching coordination control method of a coaxial parallel hybrid electric vehicle with an engine torque observer. Based on the method of a least square support vector machine, the testing sampledatum of the engine rack performance aretrained; the distribution estimation algorithm is adopted to optimize the parameter C and Lambda of the least square support vector machine; and through off-line training and optimization to an engine toque module and based on the optimum parameters, the engine torque observer is built. The current throttle value percentage and rotary speed are inputted to acquire a real-time torque value, thus realizing on-line observation to the engine torque. During the switching process of switching a pure electric driving model to a pure engine driving model (different power sources) of the vehicle provided herein, section coordination control is carried out aiming to different power sources, thus realizing stable transition of the whole switching process and stable torque of power system output without fluctuation, and satisfying the requirement of vehicle driving total torque.

A collision mitigation system is proposed which makes use of forward mounted long range ladar sensors and short range ladar sensors mounted in auxiliary lamps to identify obstacles and to predict unavoidable collisions therewith, and a duplex radio link in communication with secondary vehicles, and a number of external airbags deployable under the control of an airbag control unit, to reduce the forces of impact on the host vehicle, secondary vehicles, and bipeds and quadrupeds wandering into the roadway. A suspension modification system makes use of headlight mounted long range ladar sensors and short range ladar sensors mounted in auxiliary lamps to characterize the road surface, identify road hazards, and make adaptations to a number of active suspension components, each with the ability to absorb shock, elevate or lower the vehicle, and adjust the spring rate of the individual wheel suspensions.

The invention discloses a distributed driving electric automobile torque vector control method based on double-layer control. The control method comprises the following steps: establishing a vehicle dynamic model, and calculating a tire slip rate by utilizing a Dugoff tire model; establishing a torque distribution controller based on the vehicle dynamic model and the Dugoff tire model, wherein thetorque distribution controller comprises an upper controller and a lower controller; calculating the current drive torque of each driving wheel of the vehicle by the upper controller according to body yawing angular velocity; calculating a compensating torque needed for remaining an ideal slip rate of each driving wheel by the lower controller according to the ideal slip rate of each driving wheel serving as a control objective, and further performing compensation distribution on the driving torque, so that an actual torque is output to the driving wheel, and torque vector control is completed. According to the control method disclosed by the invention, the automobile torque can be effectively subjected to vector distribution, the vehicle driving stability and smoothness are improved, theoperating burden of the driver is obviously decreased, and the driving safety is improved.

An electrical vehicle including a vehicle body, a passenger compartment, a chassis supporting the passenger compartment, a plurality of wheels and at least one electrical motor for driving the wheels. A battery compartment of the vehicle is configured to removably mount therein a plurality of more than two rechargeable batteries which are movable into position in the battery compartment by a battery conveyor system which has a battery access opening through which batteries are installed or removed, one by one, to and from the battery compartment. In the battery compartment, a connection mechanism effects the needed mechanical and electrical connections. An overall control system controls the conveyor system and the connection mechanism to enable rapid replacement of the removable batteries, whereby an electrical vehicle can be instantly driven, even after its batteries have been discharged by a replacement of the discharged batteries and the installation of freshly charged batteries.

The invention provides an all-wheel steering electric unmanned vehicle chassis which is independently driven. The chassis comprises a vehicle body frame system, a circuit system and four wheels. Eachwheel is independently driven, steered and braked by a corresponding driving system, a steering system and a braking system respectively. Each of the wheels is connected with the vehicle frame througha set of suspension systems; A vehicle body frame system includes a vehicle frame for providing mounting support for the drive system, steering system, suspension system, and brake system and a non-load bearing vehicle body enclosed outside the vehicle frame; The circuit system comprises a vehicle controller, a power supply unit and eight motor controllers. Each wheel of the chassis can be independently driven, braked and steered, and the driving, braking and steering are all controlled by wire, so that the chassis has high versatility.

The invention relates to a variable-diameter wheel hub which comprises a central control cabinet and a plurality of identical retractable hub blocks. The various retractable hub blocks can be driven by retractable spoke assemblies, so that the diameters of the various retractable hub blocks can be radially varied; each retractable spoke assembly comprises a variable-damping retraction actuating mechanism and an extension auxiliary spring, and each extension auxiliary spring sleeves the outer wall of the corresponding variable-damping retraction actuating mechanism; a body of each variable-damping retraction actuating mechanism is a double-piston cylinder barrel, spaces between floating pistons and end walls of barrel walls are filled with high-pressure nitrogen, and a space between each floating piston and another end wall of the corresponding barrel wall is filled with magnetorheological fluid materials; an electromagnetic coil is buried in each working piston, and a circle of throttle holes are formed in each working piston in a buried manner; one end of each wire is communicated with the corresponding electromagnetic coil, and the other end of each wire is communicated with a storage battery. The variable-diameter wheel hub has the advantages that the diameter of the variable-diameter wheel hub can be varied by the aid of the dead weight of an automobile and centrifugal force generated when a wheel runs, extra driving devices can be omitted, the viscosity of magnetorheological fluid can be controlled by the aid of only low currents, and accordingly the variable-diameter wheel hub is low in energy consumption and fast in response; the riding comfort and the obstacle crossing ability are taken into account, and accordingly the variable-diameter wheel hub and non-inflatable tires can be matched with one another to be applied to conventional vehicles, motorcycles, wheelbarrows and the like.

The invention provides a hill starting control method and a system of an electric vehicle, wherein the hill starting control method comprises the steps of: (S1) acquiring gear signals and brake pedal openness signals of the electric vehicle; (S2) judging if the openness of a brake pedal of the electric vehicle is smaller than a first brake pedal openness threshold when the gear of the electric vehicle is located in the gear D or the gear R; and (S3) controlling a motor of the electric vehicle to enter a torque control model when the openness of the brake pedal of the electric vehicle is smaller than the first brake pedal openness threshold for a preset time. The hill starting control method realizes the functions of hill parking and no-slippage hill starting through the locked-rotor characteristic of the motor of the electric vehicle and through the control to the rotating speed and the torque of the motor, and fully uses the power system characteristic of the electric vehicle.

The invention discloses a method and a system of carfare payment via a mobile terminal for rail transit, comprising the following steps: a mobile terminal generates a pull-in identification code or a pull-off identification code according to generation time and user information; a ticket gate identifies the pull-in identification code, and a backend server records user pull-in information including a station code; a ticket gate identifies the pull-off identification code, and the backend server records user pull-out information including a station code; and the backend server calculates the carfare according to the pull-in information and the pull-out information. Through a mobile terminal, carfare payment can still be made in the absence of network signals, and people can take the subway conveniently and quickly.

The invention discloses an electric-driven balance car. The electric-driven balance car comprises a main body, two wheels connected to the main body through a wheel shaft, a supporting rod connected to the main body through a rotating mechanism and a handle part connected to the end part of the supporting rod; the supporting rod comprises a first rod part, a second rod part glided in opposite to the first rod part and a locking mechanism. For the second rod part can be contracted or stretched in relative to the first rod part, the supporting rod can be stretched to a proper length so as to facilitate user driving when the electric-driven balance car is driven; when the car is in idle state, user can contract the supporting rod and reduce the length of the supporting rod, and thereby reducing the space of the electric-driven balance car and facilitating the carrying and storage by the user.

A vehicle suspension system includes a pair of suspension assemblies mounted on a pair of spaced vehicle frame members for supporting a vehicle body on the vehicle wheels. A torsion axle extends between the pair of suspension assemblies and terminates in a pair of stub shafts. The axle is mounted on a pair of spaced frame brackets attached to the vehicle frame. An air spring extends between the vehicle frame and an outer end of a support arm pivotally mounted on each end of the torsion axle. The stub shafts are supported within an outer tube of the torsion axle by a plurality of elastomeric members. One end of each stub shaft is connected to a spindle arm which has a spindle extending from an opposite end of the arm. The length of the air spring support arm and the distances between the pivot axis of the support arm and the axis of the spindle and torsion axle are chosen so that the surface of the air spring is always out of contact with the mounting bracket and has a portion inboard between the axis of the spindle and axis of the torsion axle.

A vehicle suspension system includes a pair of suspension assemblies mounted on a pair of spaced vehicle frame members for supporting a vehicle body on the vehicle wheels. A torsion axle extends between the pair of suspension assemblies and terminates in a pair of stub shafts. The axle is mounted on a pair of spaced frame brackets attached to the vehicle frame. An air spring extends between the vehicle frame and an outer end of a support arm pivotally mounted on each end of the torsion axle. The stub shafts are supported within an outer tube of the torsion axle by a plurality of elastomeric members. One end of each stub shaft is connected to a spindle arm which has a spindle extending from an opposite end of the arm. The length of the air spring support arm and the distances between the pivot axis of the support arm and the axii of the spindle and torsion axle are chosen so that the surface of the air spring is always out of contact with the mounting bracket and has a portion inboard between the axis of the spindle and axis of the torsion axle.

In some embodiments, the present invention provides a mower including a frame having a front portion and a rear portion, at least one front wheel coupled to the front portion of the frame, and two drive wheels on substantially opposite sides of the rear portion of the frame. Each drive wheel is coupled to the frame by a first link pivotably coupled at one end to the front portion of the frame and at an opposite end to the drive wheel, and a second link pivotably coupled at one end to the rear portion of the frame and at an opposite end to the drive wheel. The mower also includes at least one spring positioned to bias the drive wheels in a downward direction. Each of the drive wheels are movable upward and downward relative to the frame.

The invention provides the method of vehicle magnetic flow changing to semi-active suspension damped control, comprising the following steps: using the acceleration transducer and dip angle transducer to obtain the vehicle motion state signal, dividing the motion state into eight sorts, adopting controlling modality to control, defining the control number according to the minimum amplitude versus frequency character from the transfer characteristic in resonance frequency. The vehicle has good control stability. The method integrates the ceiling damped control with proportional plus derivative control to form the multi-modality and multi-controller intelligence control. The algorithm is simple, and the method is conveniently used in vehicle semi-active suspension.