215results about How to "Flexible drive" patented technology

The invention discloses a wall-climbing robot for removing rust on wall surfaces of ships and a working method thereof. The wall-climbing robot comprises a frame, a chain track walking mechanism, a permanent magnetic adsorption unit, a left-upper drive motor, a left-upper decelerator, a right-lower drive motor and a right-lower decelerator, wherein the chain track walking mechanism consists of a left chain track and a right chain track, the permanent magnetic adsorption unit is mounted on the chain track walking mechanism, and an ultrahigh pressure water jet vacuum rust-removing cleaner is externally connected with a vacuum source and the permanent magnetic adsorption unit to form vacuum permanent magnetic mixed adsorption. The method comprises the steps of regulation of the tension of chains, height adjustment and movement control. In the invention, by adopting the vacuum permanent magnetic mixed adsorption mode to design the wall-climbing robot and effectively utilizing and recycling negative pressure of the rust vacuum in combination with permanent magnetic adsorption force, the wall-climbing robot achieves reliable adsorption, safe working and compact adsorption structure and is capable of realizing working with large load at high altitude.

The invention belongs to the display technical field, and specifically relates to a shift register unit and a driving method thereof, a grid electrode drive circuit and a display device; the shift register unit comprises the following elements: an input module used for outputting a pull-up control signal to a pull-up module according to a first DC voltage signal and a start signal; the pull-up module used for outputting a same level shift register signal through a first output end according to a second DC voltage signal and a clock signal, and used for outputting a start signal of a next level shift register unit through a second output end; a pull-down control module used for outputting a pull-down control signal to a pull-down module according to the second DC voltage signal, a third DC voltage signal and the clock signal; a pull-down module used for outputting a pull-down signal of a first output end, a second output end and a pull-up point to the pull-up module; a reset module used for outputting a reset signal to the pull-up module according to a fourth DC signal and the reset signal. The shift register unit uses DC voltage to serve as input signals of the pull-up module and the pull-down control module, and is stable, and small in power consumption.

A speed change mechanism driven by an electric vehicle is provided with a gearbox body; a motor is arranged in the box body; an output shaft is driven by the gear shaft of the motor by a transmission mechanism; the output shaft drives the hub of the electric vehicle. The invention is characterized in that the transmission mechanism is that: the gear shaft of the motor drives a reduction gear set; the reduction gear set drives a switching shaft; one end of the switching shaft is provided with a friction switching gear; the other end of the switching shaft is provided with an overrunning switching gear; the overrunning switching shaft drives an overrunning clutch; the overrunning clutch is matched with the output shaft; a friction switching gear drives a multi-plate friction clutch; the multi-plate friction clutch is matched with the output shaft; one end of the friction clutch is provided with a switching device; the switching device is connected with a wire cable guy; the wire cable guy is connected with the handgrip of the electric vehicle. The technical scheme is safe and reliable to be used; the endurance capacity of the electric vehicle is strong; a battery and the motor are effectively protected; besides, the technical scheme has the advantages of stable shifting as well as convenient, flexible and reliable control.

The invention discloses a track follow control method for a rubber wheel low-floor intelligent rail train. In the preceding process of the rubber wheel low-floor intelligent rail train, it is ensured that the central point of a first axle of the train and the central points of all hinged discs are operated on the same track; the turn angle in order to ensure that all wheels are operated on the same track in the proceeding process of the train is calculated in real time so as to control steering of a turn angle driving steering system in real time. The track follow control method has the advantages that control is more accurate, the turning radius can be reduced, and the driving flexibility can be improved.

The invention discloses a vehicle active speed limiting controlling system and a controlling method and relates to the field of automobile safe driving controlling. The system comprises a steering wheel control button, a speed limiting value obtaining module, a speed limiting controller and an engine. The steering wheel control button is used for selecting one of a normal driving mode, a general speed limiting mode and a map speed limiting mode. The speed limiting value obtaining module is used for obtaining a speed limiting value. The speed limiting controller is used for conducting comprehensive treatment and calculation by combining a real-time vehicle speed value and the speed limiting valve according to the function mode to achieve a vehicle automatic speed limiting function. One of the normal driving mode, the general speed limiting mode and the map speed limiting mode can be independently selected according to the requirement, selection is flexible, multiple control modes are switched freely, and convenience and rapidness are achieved. When the map speed limiting mode is selected, the vehicle speed is limited automatically according to the speed limiting value in a GPS navigation host, the automatic speed limiting function of the system is achieved, driving convenience is improved, and violation or a traffic accident caused by overspeed is reduced effectively.

The invention discloses a track following control method used for a rubber-wheel low-floor intelligent railway train. In an advancing process of the rubber-wheel low-floor intelligent railway train, steering angles of all the wheels are calculated in real time, and a steering angle-driven steering system is controlled to steer in real time, so that all the wheels advance on the same track. The track following control method used for the rubber-wheel low-floor intelligent railway train has the advantages that the control is more accurate, the turning radius can be reduced and the travelling flexibility can be improved.

The invention relates to an intelligent networking electric sightseeing vehicle and a control method. According to the technical scheme, the intelligent networking electric sightseeing vehicle comprises a sightseeing vehicle module and an intelligent tour guide module; the sightseeing vehicle module comprises a camera, radar, a vehicle motion controller, a vehicle-mounted GPS, a drive motor, a brake motor, non-pneumatic tires and the like, and intelligent traveling is achieved through an environmental perception algorithm, an intelligent decision algorithm, a vehicle motion control algorithm and the motion execution techniques of four-wheel drive, four-wheel steering and four-wheel braking; the intelligent tour guide module comprises an intelligent tour guide controller, a passenger interactive interface, an RFID reader and the like, and the passenger interactive interface obtains the passenger personalized choice; and the vehicle is used for tourist scenic area sightseeing and the like. The intelligent networking electric sightseeing vehicle has the beneficial effects of being intelligent, safe, capable of saving energy, environment-friendly and the like, the sightseeing vehicle travels intelligently along a tour route set by a passenger without a human driver, people-oriented intelligent tour guide services as required are provided on the basis of the passenger personalized choice, and two-way communication between the vehicle and a passenger management center is enhanced.

The invention relates to a light-emitting module with a liquid metal heat dispersion heat sink, comprising a heat sink flat sheet, an LED light-emitting module arranged on the heat sink flat sheet and at least one driving pump, wherein at least one hollow flow passage is arranged in the heat sink flat sheet, and liquid metal fluid flows in the hollow flow passage; the LED light-emitting module isformed by integrating 1-5000 light-emitting chips; the driving pump consists of a pair of electrode plates respectively installed on a wall surface opposite to each hollow flow passage and a pair of permanent magnet sheets respectively and horizontally arranged on the upper surface and the lower surface of the heat sink flat sheet opposite to each hollow flow passage; the large planes of the pairof electrode plates are perpendicular to the large planes of the pair of permanent magnet sheets; and electrode leads of the pair of electrode plates are led out through pinholes in the wall surface of the hollow flow passage and are electrically connected with an external delay switch module. The electromagnetic pump drives the liquid metals in the hollow flow passage to flow so that LED heat can be transferred to the periphery of the heat sink to be discharged and dissipated. The LED light-emitting module has the advantages of high reliability, no need of maintenance, low noise, energy saving, environmental protection, and the like.

The invention discloses a hinge type wall climbing robot capable of working on a metal wall. The wall climbing robot comprises wall climbing robot units, hinges and a folding mechanism, wherein the wall climbing robot units are rotatably connected through the hinges, and the folding mechanism is mounted at the joint of the two wall climbing robot units. Due to the fact that linear guide rail mechanisms are mounted on each wall climbing robot unit in four directions, each wall climbing robot unit can walk in two freedom degrees; each linear guide rail is provided with a cylinder, and the cylinders stretch and retract to drive supporting plates to move up and down, so that each wall climbing robot unit has the obstacle crossing capacity; and two rows of electromagnets are adopted for attraction when each wall climbing robot unit walks, eight rows of electromagnets can be used for attraction when the robot works, and therefore the robot is reliable in attraction, safe in work and compact in attraction structure.

The invention relates to a multifunctional hotel service robot. The multifunctional hotel service robot comprises a car body, a motion control module, an environment sensing module, a human-computer interaction module and a main machine interaction module; and after the robot is started, related modules receive interaction information from guest rooms and control instructions from a hotel main server to provide the services of luggage conveying, meal delivery, chatting or hotel introduction. Compared with the prior art, the multifunctional hotel service robot can provide the services of humanface recognition and verification, guest luggage carrying and meal delivery, checking guidance and door opening, improves the hotel service efficiency, and reduces the hotel labor cost. The multifunctional hotel service robot adopts a distributive navigation system to achieve high reliability and high feasibility; and meanwhile, a series of interaction modes for robots and servers with other equipment are designed, so that the practicability is improved, and the robot can provide multiple reliable function services.

The invention discloses an automatic nail gun operated by a robot. The automatic nail gun comprises nail gun bodies, an electromagnetic valve, a robot connecting flange, a frame, a nail gun body lifting device, a nail gun body distance adjusting device, a nailing triggering device and a nail counting device. The nail gun body lifting device, the nail gun body distance adjusting device, the nailing triggering device and the nail counting device are mounted on the frame. According to the automatic nail gun, nailing positioning precision is improved, and the automatic nail gun has the characteristics of being high in production efficiency and automation degree.

The invention relates to high-precision and full-automatic sealing equipment of metal tube shells. The equipment comprises a machine case, a supporting base body, a stamping and welding mechanism, a welding base mechanism, two feeding and conveying modules and a linear moving mechanism; a work table plate is arranged on the top of the machine case, the supporting base body is installed on the work table plate, the stamping and welding mechanism is installed at the upper end of the front side of the supporting base body, the welding base mechanism is installed on the work table plate and is located right below the stamping and welding end, and the feeding and conveying modules are symmetrically installed at the parts, located on two sides of the welding base mechanism, of the work table plate; the linear moving mechanism is installed on the supporting base body and is provided with a tube cap clamping and placing mechanism and a semi-finished tube base clamping and placing mechanism; and the semi-finished tube base clamping and placing mechanism can clamp semi-finished tube bases, can move to the position corresponding to the welding base mechanism under the drive effect of the linear moving mechanism and can place the semi-finished tube bases into the welding base mechanism. The equipment has the advantages that the machining precision is high, operation is simple, time and labor are saved, the efficiency is high, and the safety is high.

The invention provides method and equipment for automatically controlling rail-bound vehicles and tracks for rail-bound vehicles. The method comprising: monitoring and controlling speed of vehicles according to figures of each track such that vehicles move at any time at least with a lowest speed which permits vehicles to arrive in the next parking location (HP2) on the driving direction because of kinetic energy thereof when the driver is conking out. Vehicles travel according to a speed lower than the lowest speed calculated in order to arrive in the next parking location (HP2) on the driving direction when the driver is conking out within a predetermined ramp track interval according to the invention, characterized in that, measurement data aiming at vehicles are collected and analyzed at least in part of regions (TB1, TB2) calculated and determined based on track layout of related track interval. Herein, vehicles are ensured only by analyzing the measurement data aiming at vehicles in the part of regions (TB1, TB2) to implement the safe parking, and protection for vehicles are executed via vehicle braking.

The invention provides a pull-type metal wall surface working wall-climbing robot. The pull-type metal wall surface working wall-climbing robot comprises a pulling mechanism and a climbing mechanism. The climbing mechanism is suspended on a metal wall surface by the pulling mechanism through pulling ropes. The horizontal displacement of the robot is completed through walking of a pulling car, the vertical displacement of the robot is completed through the pulling ropes and a rack and pinion mechanism, an obstacle crossing function of the robot is achieved through up-down displacement of a foot mechanism, and an adsorption function of the robot is achieved through electromagnets. The pull-type metal wall surface working wall-climbing robot has the characteristics of being large in load capacity, high in obstacle crossing capacity and the like.

The invention discloses a trackless train steering control device and a control method thereof and relates to the field of public transportation. A first train body and N trailer carriages are hinged to form a trackless train. The first train body is provided with a pair of wheel shafts of steering driving wheels. The steering driving wheels and steering angles thereof are controlled by a driver through a steering disk. The steering disk is provided with an angle sensor connected with the input end of a steering angle meter. The k trailer carriage is provided with steering wheels with steering mechanisms. The steering angles of the steering wheels are controlled by the steering mechanisms of the steering wheels. A controller is arranged on the first train body. The input end of the controller is connected with the output ends of a clock, an odometer and the steering angle meter. The output end of the controller is connected with the input ends of the steering mechanisms of all trailers through optical networks. The controller records time t(s) output by the clock, mileage (m) output by the odometer and the steering angles, output by the steering angle meter, of the steering driving wheels of the first train body simultaneously, in this way, the advancing track of the trackless train can be described completely, and accordingly the steering wheels of the trailer carriage are kept on the same track with the steering driving wheels of the first train body during advancing. The trackless train steering control device and the control method thereof are used for a trackless public transport system.

The invention provides an ultra-micro electric car driven by a hub motor. Hub motors which are specially designed are installed on wheels of the electric car and directly drive the electric car to run without gearboxes and transmission devices, and the electric car has high energy efficiency ratio, low noise and no exhaust pollution. The combination of the pole changing of the hub motor and the frequency conversion of a frequency inverter is used in variable-speed control of the electric car, so as to ensure the wider scope of speed regulation for the electric car and better performance in climbing, heavy-load startup and low-speed running. The wheels and a brake disc or a brake drum are arranged at the outer edge of an end cover inside the hub motor or on a ring flange inside a motor casing, so as to ensure the outer end of wheel axles to have lower stress, more reasonable stress distribution, better integrity between the wheels and a brake device and stronger impact resistance. The design of an ultra-micro car body with the door opening at one side and two rows with threes seats or two rows with two seats can ensure simpler structure of the whole car and low manufacturing cost, so that the ultra-micro electric car can replace a motorcycle so as to be used in public transport.

The invention relates to a deformable flying vehicle. Two sides of the left and the right of a vehicle body of a fixed wing aircraft are provided with wings which can be folded into the body. The tail of the body is provided with a vertical empennage and a horizontal empennage. The vertical empennage is provided with a rudder or is not provided with the rudder, and the left and the right of the vertical empennage are provided with a compressed air spouts. The bottom of the vehicle body is provided with a plurality of wheels which are driven by a controllable motor. The vehicle body is internally provided with a vertical ducted fan and also is provided with a horizontal thrust engine with controllable rotation pause and rotation speed. The compressed air is introduced from the horizontal thrust engine to the sprout through a control valve. The deformable flying vehicle achieves running, elevating, hovering and flying by controlling the wheels, the vertical ducted fan, the horizontal thrust engine, the wings and the empennages. The deformable flying vehicle has performance for both the ground and the air, is safe, flexible, economical and environmental protective for running and flying and is convenient for using.

The invention discloses a four-way vehicle which comprises a vehicle body, wherein a primary wheel group and a secondary wheel group are arranged on the vehicle body; the primary wheel group can drivethe vehicle body to move in a first direction; the secondary wheel group can drive the vehicle body to move in a second direction; the first direction and the second direction are different directionwithin the same plane; a lifting assembly is arranged on the secondary wheel group and can drive the secondary wheel group to ascend or descend along the vertical direction of the vehicle body, so that the primary wheel group and the secondary wheel group are enabled to be in contact with the moving plane of the vehicle body alternately. The four-way vehicle is small in size and flexible in moving, and can independently transport cargoes in a warehousing space to greatly save the warehousing space. Multiple four-way vehicles can work simultaneously with the transporting paths not interfered mutually to greatly improve the transporting efficiency and are stable and reliable in transporting effect.

The invention provides a six-rod stretching and drawing overall robot and relates to the field of six-rod stretching and drawing overall robot machine system design. The six-rod stretching and drawing overall robot solves the problems that an existing stretching and drawing overall structure robot is complex in structure and not easy to deform. The six-rod stretching and drawing overall robot comprises six rigid rod pieces and twenty four flexible ropes. The six rigid rod pieces and the twenty four flexible ropes form an icosahedron stretching and drawing overall structure. Each rigid rod piece comprises a center assembly and two end portion assemblies, wherein the two end portion assemblies are symmetrically arranged at the left end and the right end of the center assembly, the center assembly comprises a box body and two drive units, the two drive units are arranged in the box body, the two drive units are located at the left end and the right end of the box body, each drive unit comprises an electric pushing rod, a pushing rod support and a rope connecting hoop, the bottom of a motor of the electric pushing rod is installed on the end faces of the inner sides of left and right connecting plates, and the electric pushing rod is connected with the corresponding flexible rope through the corresponding rope connecting hoop. The six-rod stretching and drawing overall robot can reduce the stress on legs of the robot on the floor to the greatest extent.

The present invention provides a four-wheel eight-drive robot chassis mechanism, comprising a chassis, four steering devices, and four driving devices. Each steering device comprises a steering motor, two steering motor fixing plates, a connecting plate, a synchronous belt, two synchronous belt wheels, a synchronous belt wheel connecting flange, a steering bearing, a steering bearing sleeve, and a fixing plate. Each drive device comprises a tire, a hub, a drive motor, a motor fixing plate, a hub connecting column, a hub connecting plate, and a motor output shaft fixing block. Each fixing plate is connected with a steering connecting block. The steering connecting block is fixedly connected withthe motor fixing plate, and the motor fixing plate is perpendicular to the steering connection block. The four-wheel eight-drive chassis mechanism can achieve zero turning radius, full-drive and all-direction, andflexible movement. Each wheel train is independent as a self-system, which is convenient to assemble into other driving modes. The structural parts of the wheel train are mostly plates or profiles, which are low in price and convenient to assemble.

The invention discloses a double-track trolley variable-structure steering apparatus. The double-track trolley variable-structure steering apparatus comprises a traction main trolley, a bearing auxiliary trolley and a rotary variable-structure assembly for connecting the traction main trolley with the bearing auxiliary trolley, wherein the traction main trolley and the bearing auxiliary trolley are installed on a track system, and the track system comprises an inner track and an outer track which are oppositely arranged. The traction main trolley comprises a wheel train assembly installed on the track system, an outer track cross beam and an inner track cross beam. The bearing auxiliary trolley comprises an outer track load beam, an inner track load beam and a load beam. The rotary variable-structure assembly comprises an upper rotation base, a lower rotation base, an upper sliding block and a lower sliding block, wherein the upper rotation base is fixedly connected with the upper sliding block, and the lower sliding bock is fixedly connected with the lower rotation base. The invention further provides a double-track trolley variable-structure steering system. The double-track trolley variable-structure steering apparatus can achieve small-radius turning of a double-track trolley, improves the stability of the double-track trolley during turning operation and meanwhile is simple in structure.

The invention discloses an optical scanning probe for endoscopic OCT (optical coherence tomography) imaging. The optical scanning probe comprises a holding portion with a photoelectric interface, and the front end of the holding portion is connected with an MEMS (micro-electromechanical systems) optical scanning probe for endoscopic OCT imaging through a connecting portion. With the MEMS optical scanning probe, the endoscopic use of the OCT imaging technology is realized; an OCT optical image is capable of entering a narrow body cavity or a narrow pipeline in the industrial field; and various suspected diseased tissues or samples are capable of being accurately scanned to acquire optical coherence tomography images of the suspected diseased tissues or the samples for further diagnosis. The optical scanning probe is particularly applied to the biomedical field, biological tissue sampling and slicing is eliminated, and thus, patients' pain is greatly relieved, and detection time is reduced. The endoscopic probe utilizes the MEMS technology to miniaturize the optical scanning probe, and thus, the diameter of an endoscopic insertion portion is greatly reduced.

The invention relates to a miniature underwater observation robot device. The miniature underwater observation robot device comprises a hull and a drive mechanism for driving the device to move, wherein the hull is a horizontally arranged cylinder, two ends of the hull are provided with openings, a glass cover is mounted at each opening, and a camera is arranged in each glass cover; the drive mechanism comprises two power motors and two sinking and coming up motors; the two power motors are symmetrically fixed on two sides of the hull; undercarriages are arranged on two sides below the hull and connected with the outer surface of the hull through connecting feet. The miniature underwater observation robot device has the advantages that the device can substitute a worker to work underwater for a long time in high-risk environments, polluted environments and low-visibility water areas and is flexible in traveling, capable of achieving self-cleaning and good in shooting effect.

The invention relates to a stepping angle compensation method for a stepping motor. The method is characterized by comprising the following steps of: setting a subdivision number of a subdivision driver and a stepping angle; measuring variations of the stepping angle by using a measurement system with accuracy which is an order of magnitude higher than that of the stepping angle of the stepping motor; and establishing a stepping angle error model according to measurement results, and performing microstep regulation to compensate a stepping angle error to accurately control the rotating position of the stepping motor. Compared with the prior art, the invention can ensure the continuous variation of the subdivision number of the stepping motor, infinite subdivision, stepless speed regulation and the subdivision times of 17,179,869,184 of the stepping motor, flexibly compensate the stepping angle of the stepping motor, make more uniform the stepping angle and make more flexible the control and driving ways; and actual measurement results obtained before and after the compensation show that remarkable effects can be achieved by adopting 'microstep regulation and virtual compensation' for the correction of the stepping angle.

The invention discloses a stable and comfortable wheel-crawler combined building-climbing wheelchair. The stable and comfortable wheel-crawler combined building-climbing wheelchair comprises a wheelchair body and a wheeled mechanism for driving the wheelchair body to move. The two sides at the bottom of the wheelchair body are also provided with a caterpillar walking mechanism, which is a caterpillar rotating device for adjusting the angle of the caterpillar walking mechanism. The crawler rotating device is arranged at the rear end of the two crawler traveling mechanisms. The crawler rotatingdevice and the wheeled driving device are drivingly connected to drive the crawler traveling mechanism and the wheeled mechanism to move. The rear end of the caterpillar traveling mechanism is connected with the wheelchair body through the caterpillar rotating device so as to change the relative height of the caterpillar traveling mechanism and the wheeled mechanism. The rear end of the caterpillar walking mechanism is also provided with a rear wheel cushioning device to reduce the impact of the staircase on the wheelchair when descending. The invention can precisely adjust the crawler angle,so that the climbable building wheelchair can not only maintain the normal sitting posture of the human body in the process of ascending and descending stairs, but also can smoothly, comfortably and safely travel, and the stability of the mechanism is improved.

The invention provides a rim-combined rim motor-driven ultra-miniature electric sedan, which is an electric sedan specially designed for motorcycle consumer groups. A rim-combined rim motor which is specially designed and matched is used as power, is convenient to assemble and maintain, is not provided with a transmission device, and improves the energy efficiency ratio. A double-row three-seat single-door ultra-miniature sedan tank body and an oval plate handle type steering gear box which are uniquely designed can make the consumer groups of which consumers hold motorcycle licenses and only have motorcycle driving experiences directly drive the ultra-miniature electric sedan. Meanwhile, technical innovation is performed on certain important components, and an accelerating device with braking protection, a braking disk brake with parking braking, an air damping buffer bumper and a steering angle signal electronic differential are applied so as to improve the safety and the stability of manipulating and driving. The sedan has a simple structure, is convenient to operate, has low manufacturing cost and can replace motorcycles to become a new generation of public transportation.

The invention belongs to the field of mobile phone performance detection and setting, and particularly relates to a detection device for detecting a screen and a shell of a mobile phone. The detection device comprises a bottom plate and a supporting seat, wherein a protective plate is arranged around the bottom plate; a lifting frame and a measure gauge are mounted on the supporting seat; two adjustment plates are mounted on the lifting frame and are mounted on the lifting frame through locking pieces; the locking pieces are loosened to adjust the adjustment plates to horizontally move along the lifting frame; clamping mechanisms are mounted on the adjustment plates; and the clamping mechanisms on the two adjustment plates are opened and closed to clamp the mobile phone or a steel ball. The detection device has the beneficial effects that by the arrangement of a measure gauge testing machine matched with the clamping mechanisms capable of being adjusted to rise up and fall down, the hardness of the mobile phone shell and the hardness of the mobile phone screen can be detected; and the detection device is easy and convenient to operate and can meet different demands for detection, and functional diversification is realized.

The invention provides a high-accuracy and three-dimensional laser exposure curing process. The high-accuracy and three-dimensional laser exposure curing process comprises the following steps of S1, reading a three-dimensional vector diagram of an object to be processed; S2, calculating a three-dimensional exposure path of the object to be processed, and performing three-dimensional path interpolation according to the three-dimensional vector diagram; S3, calculating the distance between a beam expander and a three-dimensional dynamic focusing galvanometer in an optical axis direction in each time point laser processing equipment during actual processing according to the three-dimensional exposure path and parameter information of each lens in an optical path system of the laser processing equipment; S4, fixing the object to be processed in a three-dimensional rotation fixture system in the laser processing equipment; and S5, starting the laser processing equipment so that the three-dimensional fixture system and the three-dimensional dynamic focusing system simultaneously run. A high-speed and dynamic Z axis can be flexibly driven during the actual laser curing process, high-speed zoom of a laser spot is achieved; and since the actual focusing surface is a curved surface, the exposure curing process with regard to the cured surface can be achieved very well by employing the process, and high accuracy and high efficiency are ensured.

The invention discloses a portable vehicle-mounted site test device for road and tyre noise. The device is used to measure noise between tyres of running vehicles and a road. The device comprises a sound sensor receiving noise, and also comprises a measuring support and a vehicle body connecting device. The measuring support and the vehicle body connecting device are connected integrally. The sound sensor is installed on the measuring support. The vehicle body connecting device is detachably connected with the vehicle body of a vehicle, so that the sound sensor is fixed relative to a preset position of the vehicle in noise measurement. The measuring support is simple in structure, such as an independent stand rod with a simple auxiliary structure, or the in a slightly complex type, for example, a truss type, however, the measuring support is essentially in a simple structure, and volume thereof can be reduced as needed. Finally, the measuring support is realized to be attached on a vehicle and run together with the vehicle, so as to complete measurement in a normal running process of the vehicle. The device is not interfered by road conditions, operation range values and other external factors, and realizes portable measurement.

The invention relates to a method and system for controlling the speed (V1) of a vehicle, in particular of an electric or hybrid vehicle capable of travelling on a roadway, said method including the following steps: estimating (15) the location of the vehicle on the roadway; predicting (16), in accordance with the location of the vehicle, a roadway zone (B) comprising a speed limit (V2) that said vehicle is likely to travel through; and determining a control current (I) of an energy-recovery device enabling the vehicle to reach said speed limit (V2) upon entering said zone (B) when the speed (V1) of the vehicle is higher than said speed limit (V2).