45results about How to "Automatic speed control" patented technology

Methods are provided for adjusting a music output of a vehicle audio system based on driver movements performed while listening to the music. In one embodiment, a music output of a vehicle infotainment system is adjusted responsive to monitored user behavior inside a vehicle, the monitored user behavior manifesting a user mood. In another embodiment, the music output is adjusted based on each of a user mood and a control gesture, wherein both the user mood and the gesture are identified based on user information gathered from vehicle biometric sensors and cameras while music is playing inside the vehicle.

The present invention relates to preventing, warning and intelligent controlling technology of automobile end collision and is used in preventing automobile end collision accident. The intelligent control system adopts integral detecting, analysis, processing and control structure mode, and includes signal acquisition part comprising Doppler ranging radar, vehicle speed and braking sensor; central system processor part; display and alarm part; and control and executing part comprising engine fuel supplying and braking unit. The central system processor unit has integrated signal modulation, input buffering, sampling and holding and many other functions, and is provided with conversion switch for changing between the 'overtaking mode' and 'city area running mode'. The present invention may be installed in various kinds of automobile without altering influencing the outer appearance and electric lines of the automobile.

The invention discloses an automatic speed control method and device for a high-speed railway train. The method and device are applied to an automatic driving system of the high-speed railway train, and specifically comprise the steps: obtaining various types of operation information of the high-speed railway train in real time when the train is in an automatic driving state; calculating in combination with a train traction / braking performance period to obtain a target speed, a target point and a target acceleration; processing the target speed, the target point and the target acceleration toobtain a target control parameter; and outputting the target control parameter to an automatic driving system, so that the automatic driving system controls the high-speed railway train according to the target control parameter. According to the scheme, the speed of the high-speed railway train can be automatically controlled, so that the safe, punctual and stable operation of the high-speed railway train is ensured.

The invention proposes a controlling method for an electric car. The method comprises the following steps: detecting whether the position of a shift lever of the car is changed or not; if the position of the shift lever is changed, judging the state of the car according to the present position and the prior position of the shift lever, and detecting the present speed of the car; if the car is in the first state, comparing the present speed with the first predetermined speed; if the speed is smaller than or equal to the first predetermined speed, adjusting the present speed to the first predetermined speed, otherwise, calculating a target gear of an automatic gearbox according to the present speed; judging whether the target gear is the same as the present gear or not; if the target gear is different from the present gear, matching the automatic gearbox to the target gear, otherwise, adjusting the present speed directly according to a control signal of a driver. The controlling method of the invention can be used for automatically controlling the speed of the electric car when the gear is shifted, the car is prevented from sliding forth and back, sufficient reacting time for a driver to correct false operation behaviors is given, and the driving safety of the car is improved.

The invention provides a vehicle control method and device. The vehicle control method and device are applied to a pure electric vehicle. The pure electric vehicle comprises a vehicle control module,an accelerator pedal and a brake pedal. The vehicle control method comprises the steps of judging whether a single pedal control function is turned on through the vehicle control module, outputting afirst torque according to a first preset table and sending an energy recovery request to the vehicle control module if the single pedal control function is turned on, enabling the first preset table to be a contrast relation table of a current vehicle speed, an accelerator pedal opening degree and accelerator pedal output torque positive and negative values acquired when the accelerator pedal independently controls the acceleration and braking of the vehicle, performing energy recovery of the first torque through the vehicle control module, and outputting a second torque after the energy recovery. The vehicle control method and device solve the problem that the prior art realizes the speed control of the vehicle through the cooperation of the accelerator pedal and the brake pedal resultingin energy waste when applied to the pure electric vehicle.

The method of realizing stepless speed varying method of the present invention is realized through controlling the speed difference of two gears in planetary gear train. The stepless gear speed variator consists of mainly main driving part, differential speed part, speed control part and balance part. The main driving part is one planetary gear train. The present invention his the advantages of simple structure, great driving power, small size, high efficiency, wide speed varying range and wide application range.

The invention discloses an online synchronous film leftover recycling device which comprises a base, a winding mechanism, a transmission mechanism and at least one spring. The winding mechanism and the transmission mechanism are arranged on the base. The winding mechanism comprises a winding shaft. The transmission mechanism comprises a driving bearing wheel, a driven bearing wheel and a bearing wheel connecting rod. The driving bearing wheel and the driven bearing wheel are respectively mounted at two ends of the bearing wheel connecting rod and are in transmission connection through a transmission chain or cog belt. The driving bearing wheel is closely abutted to a driving roller, the driven bearing wheel is closely abutted to the winding shaft, the joints of the first ends of the springs are kept constant relative to the base, and the second ends of the springs are connected to the winding mechanism or the transmission mechanism. By the aid of the power of the driving roller of a winding device on a production line, film leftover recycling synchronous with the production line is realized, rotation speed of the winding shaft can be automatically controlled and is ensured to be synchronous with production speed of a film making machine.

The invention discloses an automatic dispersing device for carbon nano tube conductive slurry. The automatic dispersing device comprises a ceramic grinding barrel; a controller with a timer therein is arranged on the bottom of the ceramic grinding barrel; a snakelike circulating water pipe is uniformly wound on the periphery of the side wall of the ceramic grinding barrel; the ceramic grinding barrel is filled with carbon nano tube conductive slurry, a liquid level sensor and a temperature sensor; a liquid outlet is formed in the bottom of a de-foaming agent storage tank; a solenoid valve and a flow sensor are arranged in the liquid outlet; a dispersing effect tester comprises an electrode a, an electrode b and a resistance meter; a distance between the electrode a and the electrode b is constant; and after being guided out through guide wires separately, the electrode a and the electrode b are connected to the resistance meter. The automatic dispersing machine can automatically add the de-foaming agent in a dispersing process, can give out a time node for dispersing and stirring the carbon nano tube slurry, and avoids excessive stirring.

The invention discloses a method for controlling travel and speed by adopting an electromagnetic device, which is characterized in that the method comprises the following steps: (1) preparing the electromagnetic device; (2) setting a control circuit which is electrically connected with a coil and is used for adjusting the size and the on-off state of electric currents flowing in the coil; (3) sequentially inputting initial currents to the coil so that an attractive force suffered by a permanent magnet at the farthest end of a push-and-pull rod balances a pushing force from a restoring spring which is applied to the push-and-pull rod, and taking the electric currents at the time as the value of an initial action current; (4) sequentially inputting the electric currents as multiple times ofthe value of the initial currents to the coil as required so as to lead the push-and-pull rod to be in different positions in sequence; (5) adjusting the value multiple and the on-off time of the initial currents sequentially input to the coil as required through programming by the control circuit, thereby automatically controlling the travel length and the moving speed of the electromagnetic device. The invention also discloses the electromagnetic device for realizing the method and can be widely applied to automatic control.

The invention provides a low-temperature bearing test measurement and control system. The low-temperature bearing test measurement and control system comprises a data acquisition assembly, a LabVIEW software platform and a PLC, the data acquisition assembly is connected with the LabVIEW software platform and the PLC, and is used for acquiring test parameters of the low-temperature bearing test process system and sending the test parameters to the LabVIEW software platform and the PLC; the LabVIEW software platform carries out data processing, storage and display on the received test parameters, and the LabVIEW software platform is also used for man-machine interaction; the LabVIEW software platform is connected with the PLC, the PLC is connected with the motor through the frequency converter, and the motor is connected with a tester in the low-temperature bearing test process system through the gear box; and the LabVIEW software platform sends the processed test parameters to the PLC,and the PLC is used for independently controlling the rotating speed, the pressure, the temperature and the flow of the low-temperature bearing test process system. The system is high in reliability,safety and stability.

The invention discloses a computer case which can efficiently dissipate heat and is excellent in protection performance. First openings are formed in the two sides of the machine box, a second openingis formed in the other side of the machine box, a power mechanism is arranged on one side of the top in the machine box, a first synchronous belt is arranged on the power mechanism, a reciprocating transmission mechanism is arranged on the first synchronous belt, and a vertical plate is arranged on the reciprocating transmission mechanism. According to the invention, the fan blades can do reciprocating motion during rotation; efficient flow of air is facilitated, the quality of air entering the case can be ensured; therefore, efficient and high-quality heat dissipation can be carried out in the case; and the rotating speed of the fan blades can be automatically controlled, adjustment can be conveniently conducted according to the use condition of equipment, the heat dissipation quality isbetter guaranteed, the temperature in the case is effectively reduced, protection can be effectively conducted, external collision can be effectively resisted, the stability of the case is guaranteed, and the service life of internal parts of the case can be prolonged.

The invention discloses an automatic working condition test system and method for an electric drive system of a new energy automobile. The system comprises a battery simulator, a motor controller, a motor, a dynamometer motor, a dynamometer control unit, a waterway circulating cooling system and a power analyzer, and the motor controller is flexibly connected with the battery simulator; the motoris flexibly connected with the motor controller, the dynamometer motor is mechanically connected with the motor through a transmission shaft and a flange plate, the dynamometer control unit is flexibly connected with the dynamometer motor, the cooling system is flexibly connected with the motor and the motor controller, and the power analyzer is flexibly connected with the motor controller. The system is clear in circuit, convenient to test and analyze faults, low in maintenance cost and high in accuracy of automatic working condition test results, and meets the requirements of different vehicle types; and moreover, the simulation road environment test work under the automatic working condition is verified and realized, and is closer to the real state.

The invention provides a car carpet production line comprising a vertically arranged cotton delivering box, a pair of cotton delivering rollers rotationally arranged at the bottom of the cotton conveying box, a first conveying curtain arranged bellow the cotton delivering rollers, a second conveying curtain parallel with the first conveying curtain, a weighing device arranged between the first conveying curtain and the second conveying curtain and used for weighing cotton fibers, a cotton carding box for carding the cotton fibers and a pair of cotton feeding rollers for feeding the cotton fibers on the second conveying curtain into a cotton inlet of the cotton carding box, wherein the cotton feeding rollers are driven by a variable frequency motor to rotate, a control host is used for controlling the variable frequency motor and connected with a controller of the weighing device and a controller of the variable frequency motor respectively, and an anti-blocking device for preventing cotton blockage is arranged in the cotton delivering box. The speed of the rollers is controlled automatically according to the weight of fiber layers, so that the weight of fibers fed into a carding machine is stable, and the gram weight of final products is stable.

The invention discloses a control method and a control system for a scrap copper smelting furnace based on image analysis. By collecting a color image of a copper product in a scrap copper power-frequency smelting process, extracting the tone of the color image and quickly estimating the copper content of the copper product, a smelting product can be timely judged whether to meet the requirement of a set value, the problem of time delay of offline detection of the copper content can be solved, the electric consumption used for insulation in an offline detection process can be remarkably reduced, and the time of smelting scrap copper in each furnace can be also shortened; and meanwhile, by collecting an image of smoke in the power-frequency smelting furnace in real time, the set value of the rotary speed of a draught fan is estimated in real time by a brightness index and a background detail fuzzy index of the smoke image, and the rotary speed of the draught fan is automatically controlled. Therefore, the heat energy loss of the smelting furnace can be reduced, the utilization efficiency of heating electric energy can be improved, and the fan electric consumption caused by constant high-speed running of the draught fan can be also reduced, thereby further saving the electric energy.

The invention discloses machine engraving equipment capable of controlling the engraving rotating speed. The machine engraving equipment comprises a shell, a replacement cavity is formed in the shell, a replacement mechanism is arranged in the replacement cavity, the replacement mechanism comprises a replacement motor fixedly connected with the inner wall of the upper side of the replacement cavity, and a replacement shaft is rotationally arranged on the lower end face of the replacement motor; a replacement disk is fixedly arranged on the replacement shaft, and four hydraulic cylinders are fixedly arranged on the replacement disk in a central symmetry mode. By means of the machine engraving equipment, the rotating speed of engraving heads can be automatically controlled, the engraving heads of different types can be automatically replaced, the unnecessary engraving heads can be automatically screwed off and replaced through meshing transmission, and a centrifugal block can control starting of a hydraulic device when the rotating speed is too high or too low. The hydraulic device can control meshing and transmission of the bevel gears, a sliding groove can control the moving direction of friction wheels, the friction wheels with different radii can conduct friction transmission, and therefore the effect of controlling the rotating speed is achieved.

The invention discloses an auxiliary detecting method for safe driving of an automobile, and belongs to the field of automatic control. The running speed of the automobile is detected; the distance between a barrier in front of the automobile and the automobile and an object in the air in front of the automobile are detected; whether or not the distance between the barrier and the automobile meetsthe automobile speed limit distance is judged, and whether or not there is the object in the air is judged; when the distance between the barrier and the automobile does not meet the automobile speedlimit distance, the braking automobile speed is controlled, and when there is the object in the air, first distance of the object in the air is detected; second distance of the object in the air is detected, and whether or not the object in the air is a flying object is judged; the automobile is braked, an object blocking plate is pulled downward, and front-row persons in the automobile are protected. Detection for a flying object in the air is set, therefore when the flying object flies towards the automobile, the speed of the automobile can be automatically controlled, and it is avoided that due to the fact that a driver is influenced by the flying object, the car accident happens; when it is detected that the flying object flies towards the automobile, a protection plate is pulled downward for protecting the front-raw persons, injury is reduced better, and objects in front of the automobile are detected in real time to avoid the rear-end accident happening to the automobile.

The invention discloses an automatic containing machine for window film waste edges. The automatic containing machine for window film waste edges comprises a first support and a second support. The first support is provided with a large motor which is connected with a coiling block. A small motor is arranged on the second support and connected with a driving shaft. The other end of the driving shaft is installed in the first support. Two sliding rails are arranged between the first support and the second support and provided with a sliding block. The sliding block is provided with a spring and a rotating rod, wherein the spring is connected with the tail end of the rotating rod, and the rotating rod is provided with a triangular ring. In order to solve the problem that waste edges generated after window films are cut cannot be automatically collected in the prior art, the mechanism for automatic collection of the waste edges is designed, and the mechanism not only can conduct full-automatic collection on the waste edges, but also can control the speed of the coiling block according to the generation speed of the waste edges.

The invention relates to a multi-specification motor shaft feeding device. The multi-specification motor shaft feeding device is characterized by comprising a support, a feeding support and a pushingair cylinder, the feeding support and the pushing air cylinder are fixedly installed on the support, the feeding support comprises an L-shaped supporting plate, an inclined support plate, a storing plate and an L-shaped stopping plate, the inclined support plate is fixedly installed on the L-shaped supporting plate, a plurality of snap joints are arranged on the side wall of the inclined support plate, a plurality of clamping holes are formed in the upper surface of the storing plate, the storing plate is detachably clamped to the inclined support plate, the L-shaped stopping plate is fixed tothe L-shaped supporting plate, the L-shaped stopping plate is matched with the storing plate to form a material bayonet, and the pushing air cylinder corresponds to the material bayonet. The multi-specification motor shaft feeding device is scientific and reasonable in structural design, stable and continuous feeding of motor shaft materials can be guaranteed, the motor shaft quality can be guaranteed, motor shaft deformation is effectively prevented, the multi-specification motor shaft feeding device can be suitable for feeding motor shaft cutting machines in different machining sizes, the application scope is wide, manpower is saved, and the feeding efficiency is improved.

The present invention relates to preventing, warning and intelligent controlling technology of automobile end collision and is used in preventing automobile end collision accident. The intelligent control system adopts integral detecting, analysis, processing and control structure mode, and includes signal acquisition part comprising Doppler ranging radar, vehicle speed and braking sensor; central system processor part; display and alarm part; and control and executing part comprising engine fuel supplying and braking unit. The central system processor unit has integrated signal modulation, input buffering, sampling and holding and many other functions, and is provided with conversion switch for changing between the 'overtaking mode' and 'city area running mode'. The present invention may be installed in various kinds of automobile without altering influencing the outer appearance and electric lines of the automobile.

The invention discloses an automatic window film waste edge recycling device which comprises a bracket; a rotary assembly is mounted above the bracket; the top part of the rotary assembly is fixedly equipped with a recycling plate through a bolt; the rotary assembly can drive the recycling plate to rotate; a guide device is arranged on the side part of the recycling plate; and a speed regulating mechanism is arranged between the guide device and the transmission assembly. The rotary assembly comprises a motor which is fixedly arranged below the bracket; an output shaft of the motor is connected with a small belt wheel; the small belt wheel is connected with a large belt wheel through a belt; and a recycling plate is mounted above the large belt wheel. The automatic window film waste edge recycling device not only can collect waste edges in a fully-automatic mode, but also can automatically control the speed of the recycling plate according to the speed of waste edge generating.

The method of realizing stepless speed varying method of the present invention is realized through controlling the speed difference of two gears in planetary gear train. The stepless gear speed variator consists of mainly main driving part, differential speed part, speed control part and balance part. The main driving part is one planetary gear train. The present invention his the advantages of simple structure, great driving power, small size, high efficiency, wide speed varying range and wide application range.

The invention discloses a permanent-magnet transmission mechanism for a stirring device. The permanent-magnet transmission mechanism comprises a housing and a fixed base. A driving plate is connectedto the bottom of a motor shaft; and driving permanent magnet blocks are arranged at the two sides of the bottom at the inner side of the driving plate. A connection base is connected to the top of a damping spring. A fixed sleeve is connected to the bottom of the connection base; a first connection sleeve is connected to the top of the connection base; and ventilating slots are formed in the two sides inside the fixed base. A rotation blade is connected to the top of the outer side of a rotation rod. Electric push rods are connected to the two sides of the top of the fixed base; fixed plates are connected to the two sides of the housing; the tops of the electric push rods are connected with the bottoms of the fixed plates; and compression springs sleeve the outer sides of the electric pushrods. The permanent-magnet transmission mechanism has advantages of automatic heat dissipation and automatic and stable rotational speed controlling; and thus the permanent-magnet transmission mechanism is able to realize automatic cooling and automatic and stable rotation speed controlling.

Belonging to the field of auto part equipment, the invention discloses a feeding device for automobile perfume core processing. The feeding device comprises a storage bin and a pressurization apparatus, one side of the storage bin is equipped with a slow flow chamber, a filter is disposed above the slow flow chamber, a feeding funnel is arranged above the filter, the other side of the storage binis equipped with the pressurization apparatus, the pressurization apparatus consists of a motor, a coupling, a pressurizing pump, a feed pipe and a discharge pipe, the motor is connected to the pressurizing pump through the coupling, both sides of the pressurizing pump are provided with the feed pipe and the discharge pipe, the pressurization apparatus is connected to a control apparatus, the control apparatus consists of a display screen, a PLC and functional keys. The feeding device provided by the invention has a good fixation effect and oil-filtering effect, can reduce impurities in the raw materials and improve the charging efficiency. At the same time, the feeding device can automatically control the automobile perfume core feeding speed, and has automatic processing function.

The invention discloses an electric roller intelligent controller, and belongs to the technical field of intelligent controllers. The electric roller intelligent controller comprises an electric roller and a controller, wherein the controller comprises a main control chip, a signal detection module, a signal amplifier, a signal converter and a display; the signal detection module is used for acquiring an external input signal and identifying a control signal; the signal detection module is connected with the main control chip; and the main control chip analyzes, calculates and processes the input signal and outputs the control signal. According to the electric roller intelligent controller, remote information transmission among the controller, the electric roller and an industrial controlcomputer can be realized; the main control chip is used for processing the collected relevant information of the electric roller and sending out the corresponding control signal according to a conclusion obtained by processing; and the industrial control computer or the touch screen display is used as an input end to collect manual instructions, a processor determines the priority of the manual instructions, and then an electric roller control system with manual control as the core and automatic control as the auxiliary is realizesd.

The invention relates to the technical field of lime powder disinfection of silkworm nests, in particular to intelligent silkworm breeding equipment. The equipment comprises a machine frame, an electromagnetic vibration discharging machine, a discharging channel, an intelligent detection system, a mounting frame, silkworm nests and a displacement driving system, the electromagnetic vibration discharging machine is arranged beside the machine frame, the intelligent detection system is arranged in the discharging channel, and the mounting frame can be arranged on the machine frame in a sliding mode in the direction parallel to the conveying direction of the machine frame. The intelligent detection system comprises a controller and a pressure sensing mechanism, the displacement driving system comprises a horizontal displacement device, a vertical displacement device and a rotary driving device, and the controller is electrically connected with the pressure sensing mechanism, the horizontal displacement device, the vertical displacement device and the rotary driving device. The intelligent detection system in the equipment automatically controls the overall discharging speed and the lime powder discharging uniformity degree, the lime powder scattering amount in each silkworm nest is kept within a certain range, the intelligent degree of the equipment is improved, and the sterilization effect on the silkworm nests is improved.

The invention provides a speed control system and a shunting system for shunting equipment. The speed control system comprises a position detection device, a control device and a frequency conversion device which are connected with one another, wherein the position detection device is used for detecting a current position of the shunting equipment and transmitting the current position to the control device; the control device is used for receiving the current position of the shunting equipment and outputting a speed control signal corresponding to the current position according to a position-speed corresponding curve for the shunting equipment to the frequency conversion device, wherein the position-speed corresponding curve is obtained by fitting according to the initial speed, the initial position and a preset stepping parameter of the shunting equipment; and the frequency conversion device is used for receiving the speed control signal and controlling the rotation speed of a motor of the shunting equipment according to the received speed control signal so as to control the speed of the shunting equipment. The speed control system and the shunting system provided by the invention can automatically control the advancing of the shunting equipment and has higher safety.

The invention relates to a control device of wire arranging flatness for a take-up machine. The flatness control device comprises a take-up reel driven by a winding motor, a transverse wire arranging mechanism for controlling transverse winding, and a wire storage adjustment mechanism arranged at the tail end of the device, wherein the winding motor carries out rotary control by the winding motor driver, and a take-up reel tachogenerator for speed measurement is also arranged on the winding motor; in the transverse wire arranging mechanism, the transverse wire arranging motor driver drives the transverse wire arranging motor to rotate a screw, so that a wire arranging wheel on the screw flexibly moves on the screw; and the wire storage adjustment mechanism comprises a wire storage pulley which can move back and forth in a slide groove, and a wire speed tachogenerator for measuring the linear speed of a wire product. Through the method, according to the control device of wire arranging flatness for the take-up machine, the rotary speed of the take-up reel and the linear speed of the wire product are reverted into electrical signals, and the rotary speed of the transverse wire arranging mechanism is automatically controlled by the treatment of a transverse control circuit board so as to achieve the purpose that the wire arranging flatness is automatically controlled.

The invention discloses a variable-frequency ultrahigh-pressure micro mist humidifier, which comprises a humidifier host machine and a microcomputer humidity partition controller, wherein the humidifier host machine is provided with a water tank, a microcomputer numerical control panel, a high-pressure pump and a variable-frequency motor; a water level control device which is electrically connected with the microcomputer numerical control panel is arranged in the water tank; the microcomputer numerical control panel is electrically connected with a frequency converter which is electrically connected with the variable-frequency motor; the frequency converter is electrically connected with the microcomputer humidity partition controller which is electrically connected with a high-pressure electromagnetic valve and a temperature and humidity sensor; the high-pressure electromagnetic valve is used for controlling a high-pressure micro mist nozzle which is connected with the high-pressure pump through a pipeline; and the variable-frequency motor is in transmission connection with the high-pressure pump. Compared with the conventional humidifier, the micro mist humidifier has the advantages of prolonging the service life of the humidifier and the high-pressure pump by one time, reducing noise by 10 to 15 db, saving more than 50 percent of energy and humidifying a plurality of sections and achieving an optimal effect by using one humidifier.