117results about How to "Smooth parking" patented technology

There is provided a parking assist apparatus capable of allowing an automatic steering control to be started smoothly, without requiring any special operation after confirmation of a parking target location. The parking assist apparatus includes a parking target position setting section for setting a parking target position, a guiding path calculating section for calculating a guiding path to the parking target position, a reporting information outputting section for reporting to the driver upon successful establishment of a guiding path that an automatic steering is now possible, a non-holding state determining section for determining whether there is established a non-holding state of the driver not holding a steering device, and a guiding start determining section configured to allow guiding by the automatic steering to be started, provided the guiding path has been established AND the non-holding state has been realized.

The invention discloses an emergency braking control method achieved through an electrical park brake. Under the emergency braking condition (for example, a brake pedal is blocked), after status information applied by a park brake switch is collected through an electrical park brake (EPB) system, a command is sent to a vehicle body electrical stable system (ESP) through bus communication, four wheels are braked at the same time through the ESP according to the deceleration value required by the EPB, and if one wheel of a vehicle is locked, the ESP can initiatively execute an anti-lock program. By means of the series of movements, safe and stable braking of the vehicle can be achieved, and person safety and vehicle safety are guaranteed.

The invention relates to a molten iron tank alignment tractor below a blast furnace. The molten iron tank alignment tractor comprises a tractor body controlled by a tractor master control system. The tractor master control system is provided with a master control module and is in wireless communication connection with an outer remote control unit through a remote control signal receiver. A rotary encoder is installed on an output shaft of a speed reducer of the molten iron tank alignment tractor and connected with a tractor alignment control system. The tractor alignment control system at least comprises a single-chip microcomputer, a key circuit, a display module and a communication module. The communication module is additionally in communication connection with the tractor master control system and a blast furnace casting control system. The molten iron tank alignment tractor can replace an internal combustion locomotive to finish molten iron tank alignment operation, remote alignment is completed through remote control, operation is convenient, alignment is accurate and reliable, efficiency is high, and mis-operation and molten iron splashing can be prevented. Equipment operation and the automatic charging process are both remotely controlled, the man-machine contact frequency is greatly reduced, and the safety accident rate is reduced. A breakthrough is made in blast furnace casting alignment operation.

The invention discloses a self-learning-based rotation control method for a dangerous condition of a tower crane. The self-learning-based rotation control method particularly comprises the following steps of: 1, carrying out self-learning on the inertia and a rotation running characteristic of the tower crane on the tower crane; 2, carrying out deceleration or shutoff control as appropriate according to the current running state of the tower crane; 3, after low-speed cut-off control of the tower crane, executing closed-loop control, if the dangerous angle of the tower crane at the time is more than an ideal parking position, re-starting low speed in a control direction of the tower crane by a system, allowing the tower crane to continuously advance at a low speed to be close to a target position; and 4, immediately braking when the tower crane enters a red line due to out of control, directly stopping the tower crane, delaying a brake for a certain time, then opening the brake and allowing the tower crane to rotate towards a safety direction. According to the self-learning-based rotation control method, the rotation of the tower crane is passively controlled, the parking regulation and braking control are carried out to ensure the parking stability, and the impaction of the rotation inertia of the tower crane is avoided.

The invention provides an automatic safety protection method for a two-wheeled balance car. The method comprises the following steps that firstly, a controller receives signals collected by a sensor, and a real-time car body inclination angle and the driving speed are obtained; secondly, the real-time car body inclination angle and the driving speed are compared with a preset safety angle threshold value and the safety speed threshold value, and whether the balance car is in an automatic balance state or a balance out-of-control state is judged; thirdly, if the balance car is in a balance out-of-control state, an automatic safety protection mechanism is started. The method has the advantages that when the balance car is in the balance out-of-control state, the automatic safety protection mechanism is started in time, the timely and steady parking of the two-wheeled balance car is guaranteed, and a driver can be prevented from being hurt as little as possible. The effects achieved through the safety protection mechanism are divided into two kinds, in the first kind, an auxiliary wheel is started to form three-point support with two wheels, and stabilization of a car body is guaranteed; in the second kind, the speed is reduced and parking is achieved.

The invention discloses a double-side grinding and polishing machine. The double-side grinding and polishing machine comprises an upper disc. A lower disc (1) is arranged under the upper disc. The upper disc and the lower disc (1) are driven by different motors and are opposite in rotation direction. An inner gear ring (2) is arranged at the outer edge side of the lower disc (1), and a sun gear (3) is arranged in the middle of the lower disc (1). Planet gears (4) serving as tools and clamps are placed on the lower disc (1). The two sides of each planet gear (4) are engaged with the inner gear ring (2) and the sun gear (3) correspondingly; and the inner gear ring (2) and the sun gear (3) are driven by different motors, and therefore the planet gears (4) can rotate and can also revolve around the sun gear (3) under the action of the inner gear ring (2) and the sun gear (3). By means of the double-side grinding and polishing machine, workpieces can form grinding motion with the speeds coordinated with one another in three or more directions in a carrier; the two sides are ground uniformly; resistance is small; efficiency is high; the workpieces are not damaged; and the double-side grinding and polishing machine is applicable to grinding and polishing of silicon wafers, sapphire substrates and epitaxial wafers.

The invention provides a mud water separation device which mechanically vibrates with small amplitude by high frequency, belonging to the technical field of hydraulic engineering; wherein, the frame of a vibration motor is arranged on a mud water separation chamber and taken as a vibration source; a spring is arranged and connected between the vibration motor and the mud water separation chamber; a bracket is arranged in the mud water separation chamber and used for supporting a vibration ball and a screen; the bracket is divided into a plurality of grids; each grid is internally provided with a plurality of vibration balls which are arranged between the screen and the bracket; the screen is arranged on the vibration ball; a water inlet pipe is arranged on the mud water separation chamber and lower than the bracket; the water outlet pipe is arranged on the mud water separation chamber and higher than the bracket; a water outlet pipe is provided with a water outlet pipe valve; a mud outlet pipe is arranged at the bottom of the mud water separation chamber and provided with a mud outlet pipe valve; alternatively, the mud water separation device of the invention can save the water inlet pipe, the mud outlet pipe and the mud outlet pipe valve. The mud water separation device can separate the mud sand grain from water flow with high efficiency, improves the productivity of the dredge and water disposal industry, and reduces the industrial energy loss.

The embodiment of the present invention relates to the field of communication technology, and discloses an assisted parking method and a mobile terminal. The method includes: the mobile terminal determines a target parking space and a starting position, and the starting position is the current position of the car; The parking space and the starting position generate a parking route, display the parking route and the identification of the car on the electronic map of the mobile terminal; generate prompt information for controlling the steering wheel, and output the prompt information, the prompt information Prompt the direction in which the steering wheel needs to be turned. In the embodiment of the present invention, the mobile terminal displays the parking route and the identification of the car on the electronic map of the mobile terminal, so as to instruct the driver to park; generate prompt information for controlling the steering wheel, prompting the direction in which the steering wheel of the car needs to turn, and The driver can park smoothly, and has simple implementation, low cost and wide application range.

The invention belongs to the technical field of vehicle passive safety, and concretely relates to an emergent vehicle tyre inflation device for processing a tyre burst situation. The device comprises a pressure sensor, a tyred air bag, a central controller, an explosive gas generator, a flexible glass fiber tube and a tyre burst alarm. When tyre burst occurs, the explosive gas generator receives an instruction of the central controller, and a pulse electronic igniter ignites electric primer and further ignites gunpowder; a large amount of gases which are generated when the gunpowder is combusted are filtered by a filter screen and enter the tyred air bag through going along the flexible glass fiber tube, the air bag is rapidly inflated to support the vehicle as a temporary tyre; and the tyred air bag which has two layers is characterized in that: the inner layer is an annular inner air bag, and the outer layer comprises four isolated independent air bag chambers. The device of the invention has the advantages of fast inflation speed, large gas amount, high safety and reliability, and the like.

The mobile vehicle charging system is applied to a mobile vehicle and includes a docking platform and a charging device. The docking platform provides parking to the mobile vehicle. The charging device includes an electricity transmission interface and an electricity measurement module. When the mobile vehicle is parked on the docking platform, the electricity transmission interface charges a battery module through an electricity reception interface of the mobile vehicle. As such, when an operator of the mobile vehicle parks the mobile vehicle onto the docking platform, the mobile vehicle can be automatically charged by the mobile vehicle charging system.

The invention relates to a quick shutdown system and method of an industrial sewing machine. The system comprises a central processing unit, a bridge rectifier circuit composed of six switching tubes and a DC brushless electric machine used for controlling the operation of the industrial sewing machine, wherein the input end of the bridge rectifier circuit is connected with a system power supply; the triple outputs of the bridge rectifier circuit are connected with the three-phase winding of the DC brushless electric machine in turn; the control ends of the switching tubes are separately connected with the six-way PWM control signals of the central processing unit; an optical-electricity encoder and a position sensor which are arranged on the DC brushless electric machine and the pin signal and pedal signal of the industrial sewing machine are separately connected with the central processing unit; and the central processing unit continuously collects the motor speed, calculates the PWM duty ratio of six-way drive waveform and controls the on / off state of the three switching tubes of the middle and lower bridge arms of the bridge rectifier circuit, thus realizing quick shutdown. By using the system of the invention, the shutdown time of the industrial sewing machine can be greatly shortened, the production efficiency can be increased, the shutdown process is stable without causing motor vibration, and the reliability is good.

The invention relates to the field of vehicle automatic control and in particular relates to a parking brake control method. An electric parking brake (EPB) control method for an electric car is characterized by carrying out following control after setting the delay time: from a driving state to a parking brake lock state, firstly carrying out lock operation on a vehicle by using an EPB system, waiting for the delay time and then sending a parking brake signal to an electric parking pawl (EPP) system by a vehicle control unit to carry out lock operation on the vehicle; and from the parking brake lock state to the driving state, firstly controlling the EPP system to be unlocked by the vehicle control unit after a brake pedal is depressed, waiting for the delay time and then unlocking the EPB system. The method has the beneficial effects that the reliability of the EPP system is improved by starting the EPB and EPP systems in sequence, thus avoiding seizure of the EPP system under the full load condition or the long ramp condition and eliminating abnormal sounds produced by parking on the short ramp and unlocking under the full load condition; and meanwhile, parking and unlocking can be smoothly carried out under the long ramp condition, thus improving the reliability of vehicle control.

The invention relates to a self-adaption amplitude adjustable inertia vibration device, the self-adaption amplitude adjustable inertia vibration device can be arranged on a transmission shaft of a vibration machine and comprises an amplitude adjusting mechanism, an adjustable mechanism frame, a positioning screw, a positioning nut and a positioning elastic assembly; and a self-adaption adjusting mechanism matched with the amplitude adjusting mechanism, and provided with an unbalanced block, two guiding screws, at least two adjusting nuts and two elastic assembly. The self-adaption amplitude adjustable inertia vibration device can enable the centroid of the unbalanced block and the offset of the central of the transmission shaft to match with actual demand and willfully adjust the offset from exterior portion, thereby having the advantages of being convenient to adjust, easy to repair, install and disassemble.

The invention discloses an overhead type 3D parking device. The device comprises a vertical column, and a steel structural frame supported through the vertical column; a plurality of parking comb teeth frame units are arranged in parallel on the steel structural frame; trolley transverse moving tracks are arranged on frame cross beams at two side edges of the steel structural frame; a transverse moving trolley is arranged on the trolley transverse moving track; transverse moving trolley comb teeth frames for exchanging a car with the parking comb tooth frames are arranged on the transverse moving trolley; each transverse moving trolley comb teeth frame is that a self-lifting mechanism is arranged on the transverse moving trolley; a lifting machine is arranged at one end part of the steel structural frame and connected with lifting platform comb teeth frames. The 3D parking device is overhead, so that the floor area used is reduced; the 3D parking device can be arranged on a flat land or above a green zone and free of conflict with the facilities below; meanwhile, single-row parking comb teeth frames are provided and small in space, so that the overall structure is impact, and as a result, the floor area used is further saved.

The present invention belongs to a three-force side shoe drum type clearance independence spacing self regulating instantaneous center brake for auto wheel. The characteristics of the invention is the bearing hole of the braking base plate fixes upper, lower supporting shoe pin roll, mutually symmetrical and locating on the two sides of the horizontal axis, the upper and the lower supporting hoof pin roll are packed with an upper and lower brake shoes, the upper and lower bearing holes of the upper and lower brake shoes are set with the upper and lower ratchet wheel coupling double working surfaces cams; the horizontal axis of the braking base board has a camshaft, the upper and lower bearing shoe pin roll and the camshaft form polarization braking center triangle; the upper and lower positioning pawl pin rolls are set on the extending part of the upper and lower braking shoes, the upper and lower locating pawl bearing hole is set on the braking plate, the claw is connected to the ratchet tooth. The invnetion acquires small abrasion of the brake braking working surface, having no noise, realizing optimal braking time, optimal braking deceleration, optimal braking distance, maximum force value and optimal force balancing effect, ensuring auto operating safety.

The invention relates to a method for aligning iron discharged from a blast furnace and molten iron tanks below the blast furnace. In the process of iron discharging of the blast furnace, an overturning funnel and molten iron tank aligning tractors are in interlocking control, the molten iron tank aligning tractors are remotely controlled by a remote controller, and a rotary encoder is arranged on an output shaft of a speed reducer of each molten iron tank aligning tractor and connected with a tractor aligning control system; during aligning of the molten iron tanks, moving distance of the molten iron tank aligning tractors is calculated according to rotation turns of wheels, and current tank position and tank number information is updated automatically, transmitted into a blast furnace iron discharging control chamber and displayed on an operating panel of the tractor aligning control system. The molten iron tank aligning tractors are adopted to replace an internal combustion locomotive to complete aligning work of the molten iron tanks below the blast furnace, remote aligning is completed through remote control, the molten iron aligning tractors can be controlled by one remote controller, moving of the molten iron tank aligning tractors in the process of iron discharging due to misoperation can be prevented, and equipment and human safety during iron discharging is ensured.

The invention belongs to the technical field of underground coal mine transportation facilities and particularly relates to a phosphor block belt conveyor capable of performing curved running and curved operation. The problem that an existing transportation device strictly restricts the efficiency of a united coal mining machine is solved. The phosphor block belt conveyor comprises a movable dragging assembly, a rubber belt, a round-link chain fixing the rubber belt, an rubber belt supporting structure and a rubber belt driving device, wherein the movable dragging assembly comprises a driving gun carrier and a plurality of common gun carriers which are sequentially hinged, hinge seats for hinge include one-degree-of-freedom hinge seats and three-degrees-of-freedom hinge seats which are consistent in length and width size, the driving gun carrier and the common gun carriers are two-wheeled vehicles, are consistent in length and width size and have the mass centers located at the centers of corresponding gun carrier frames, a wheel axle and wheels are installed in the middles of two sides of each gun carrier frame, and the distances from the centers of the wheel axles to the centers of the front and rear hinge seats are equal. The movable dragging assembly of the phosphor block belt conveyor capable of performing curved running and curved operation can be organically assembled and can be configured according to different road conditions and transfer requirements, electricity is saved, stable starting is also achieved, the driving gun carrier is independently braked and controlled in a centralized mode, and parking is stable.

A dual-parameter control method for the braking and decelerating procedure of motor used in the car with mixed power features that the speed information is additionally used by control system, the braking intensity and speed are used to calculate the braking torque of motor, and the calculated result is used to control the motor.

The invention provides a compact type fully hydraulic walking pile-up valve comprising a valve body. The valve body is internally provided with a high pressure selector valve formed by combining a threaded check valve base, a steel ball and a valve hole in the valve body. A first one-way throttle valve is arranged in the valve body and on the left side of the high pressure selector valve and a second one-way throttle valve is arranged in the valve body and on the right side of the high pressure selector valve. A balance valve is installed in a balance valve cavity of the valve body. A two-stage buffer overload valve comprising a first buffer overload valve and a second buffer overload valve is arranged on a main oil way in the valve body. A large-opening diameter oil supplementing valve formed by combining two sets of planar large-drift diameter check valves is installed in a valve cavity in the valve body and above the balance valve. An oil path switching valve is installed in the uppermost switching valve cavity of the valve body. The compact type fully hydraulic walking pile-up valve can effectively solve the problems such as great hydraulic shock, air suction of oil liquid and high noise in a braking process of fully hydraulic wheel excavators and loaders, has the advantages of compact structure, small size and high integration degree and is especially suitable for moving apparatuses.

The invention provides a permanent magnet motor direct-driven large-tonnage carrying device, a molten iron transport vehicle and a torpedo car, and the permanent magnet motor direct-driven large-tonnage carrying device comprises a driven walking device, a permanent magnet motor direct-driven walking device and a carrying unit, and the carrying unit is loaded between the driven walking device and the permanent magnet motor direct-driven walking device. The permanent magnet motor direct-drive walking device is directly driven to advance through a permanent magnet motor, and traction or pushing of the carrying unit and the driven walking device is achieved. According to the invention, alignment and traction of a diesel locomotive are avoided, autonomous operation is realized, unmanned, intelligent and clean effects are realized, safe and seamless butt joint of the blast furnace smelting tapping device and the molten iron tank is realized, manual operation accidents are avoided, heat loss of molten iron is reduced, and fuel cost, maintenance cost and labor cost are reduced.

The invention relates to an automatic driving vehicle parking control method and device, and belongs to the technical field of automatic driving passenger cars. The control method comprises the following steps of obtaining the actual off-station distance between a vehicle and a front parking point, the current deceleration of the vehicle and the current vehicle speed, and estimating the braking distance according to the current deceleration of the vehicle and the current vehicle speed; obtaining a parking control error according to the difference between the actual off-station distance and thebraking distance; obtaining a given deceleration through PID control according to the parking control error; controlling the brake using the difference between the given deceleration and the currentdeceleration as a controlled variable for brake control or using the given deceleration as a controlled variable for brake control. According to the method, the deceleration is controlled according tothe error between the actual off-station distance and the estimated braking distance, and then the brake is controlled to decelerate, so that the vehicle can be stably parked.

The invention relates to a network type all-digital motor soft starter which is characterized in that a control module structure combining a micro-programmed control unit (MCU) and a complex programmable logic device (CPLD) is adopted and is respectively connected with a voltage detection module, a current detection module, a trigger driving module, a keyboard display module and a network communication module so as to form the network type all-digital motor soft starter. The network type all-digital motor soft starter leads a voltage signal and a current signal to be converted into a digital signal and a logic signal so as to realize the functions of all-digital phase compensation, digital phase shift (with the phase shift accuracy of 0.05 degree), phase loss protection, automatic detection of phase sequence, overload protection, wide pulse or double-narrow-pulse trigger and the like, and ensures a motor to be more stably and reliably started and stopped, thus protecting a power grid, the motor and load equipment. Furthermore, the network communication module can be used for networking, so that remote monitoring can be realized. A circuit is simple in structure, high in integration level, phase control accuracy and reliability, good in stability and high in cost performance.

The present invention belongs to the field of railway vehicle, and is especially one remote controlled stepless variable frequency speed control towing vehicle. The towing vehicle includes vehicle body, axles, wheels, motor and speed reducer. It features the connection between the vehicle body and the axles via bearing and bearing box, two axles inside two speed reducers, the motor connected through shaft coupling with brake wheel to the speed reducer, two speed reducers fixed through connecting board, the connection of moment cable reel, cable, motor and stepless variable frequency speed control box, and the electric signal connection of the remote controller and the remote control receiver in the control box. There are also balance weight on the top of the vehicle body, heat isolator in the inner wall of the vehicle body, obstacle remover, buffer and audible and visual alarm. The towing vehicle is suitable for use in iron works.

The invention discloses a wireless Internet-of-Things-based override control obstacle avoidance intelligent vehicle and a control method therefor and belongs to the field of wireless Internet-of-Things. A state sensing module, a wireless Internet-of-Things module, a regulation and control module and an override control module are mounted on the obstacle avoidance intelligent vehicle; the obstacle avoidance intelligent vehicle is suitable for traffic conditions of a crossroad, and the obstacle avoidance intelligent vehicle is allowed to cross the crossroad in a conflict-free manner. Particularly, special conditions can be handled with smooth speed change via the override control module, and effects of timely advancing, smooth deceleration, smooth acceleration and smooth parking can be exerted; clock synchronization and dispatching synchronization of the obstacle avoidance intelligent vehicle in the Internet-of-Things are fulfilled, signal lagging of traffic dispatching and time constants of a traffic system can be greatly reduced, and simplified and unified management of a traffic system model can be facilitated.

The invention discloses an intelligent charging method, control system and system for a parking lot. The invention aims to solve the problems of complicated modes and low efficiency of offline paymentof parking fees of an existing parking lot. The method includes the following steps that: the license plate numbers of vehicles entering the parking lot are collected, the time information of the entering of the vehicles into the parking lot is recorded after the vehicles are released; when the information of the departure of the vehicles from the parking lot is obtained, the license plate numbers of the vehicles are identified; and whether the license plate numbers are bound with corresponding mobile terminals is judged, if the license plate numbers are bound with the corresponding mobile terminals, the time information of the departure of the vehicles from the parking lot is recorded, and corresponding parking fees are deducted. According to the intelligent charging method, control system and system for the parking lot of the invention, the parking fees of the parking lot are paid through the mobile terminals, and therefore, parking is more stable, practical and advanced, and the actual needs of vehicle owners can be met.

The invention relates to a vertical rotary type three-dimensional garage with automatic anti-swinging hanging vehicle loading platforms, comprising a fixing bracket, a rotary framework, an anti-swinging mechanism, L-shaped hanging vehicle loading platforms, a driving and braking device, a control device, and the like, wherein the rotary framework rotates relative to the fixing bracket under the drive of the driving and braking device; the L-shaped hanging vehicle loading platforms are arranged on the rotary framework through hanging shafts and rotate along with the rotary framework; the anti-swinging mechanism consists of a series of linked parallelogram mechanisms, and cranks of the parallelogram mechanisms are fixedly connected with rotary shafts of the hanging vehicle loading platforms; chain transmission with a transmission ratio of 1 is set between the rotary shaft of a hanging vehicle loading platform and a rotary shaft of the rotary framework and keeps the hanging vehicle loading platform at a horizontal position all the time; and the linked parallelogram mechanisms ensure that all the hanging vehicle loading platforms are kept at horizontal positions all the time.

The invention discloses an electric carrier and a motor braking parking method thereof. The state information of the electric carrier is analyzed when the electric carrier is parked on a flat ground and a slope, and heuristic rules of stable parking of the electric carrier are determined; and after it is determined that an electric carrier operator has a parking intention according to a signal fedback by an accelerator, a proper braking method can be selected according to the state information of the electric carrier in combination with the heuristic rules, the braking torque is adjusted in real time, and an electromagnetic band-type brake is controlled, so that the vehicle can be stably parked on the flat ground or the slope. In addition, the electric carrier disclosed by the invention comprises a motor driver, a motor, the electromagnetic band-type brake and the accelerator, wherein the motor not only provides driving force, but also provides braking force required by braking parking, the motor driver can realize seamless switching between a driving state and a braking state, and energy fed back during regenerative braking can charge the power battery, so that the endurance timeof the vehicle is prolonged.