56results about How to "Avoid manual controls" patented technology

In a MRI system housed within a room there is provided a movable magnet and additional components for other procedures on the patient, a control system is provided for the relative movement of the magnet and components. This includes a plurality of magnetic field sensors mounted on the components for measuring the magnetic field at the location of the component and an optional camera positioning system so that the control system can estimate relative positions of the components relative to the magnet from the sensed field strengths from the set of sensors to avoid collisions during the movements.

The invention relates to a control method and device for intelligent equipment. The method comprises the steps: judging whether an operation motion for controlling intelligent equipment is monitored; if the operation motion is monitored, determining target intelligent equipment that corresponds to the operation motion; and sending the target intelligent equipment a target control instruction that corresponds to the operation motion so that the target intelligent equipment is controlled. According to the technical scheme, after the operation motion for controlling the intelligent equipment is monitored, the target intelligent equipment that corresponds to the operation motion and needs to be controlled is determined according to a corresponding relation between the operation motion and the intelligent equipment, the target control instruction corresponding to the operation motion and the target intelligent equipment can be generated in a screen locked state, and then the target control instruction is sent to the target intelligent equipment. In this way, the target intelligent equipment is controlled quickly and effectively by means of the target control instruction, great convenience is provided to users, and users do not need to manually control the intelligent equipment.

The invention discloses a method and a system for automatically folding an exterior rearview mirror. The method includes steps of 110, detecting the running speed of a vehicle and judging whether the running speed is smaller than or equal to a first speed preset value or not; 120, detecting whether an obstacle is positioned in the advancing direction of the exterior rearview mirror or not when the running speed is smaller than or equal to the first speed preset value; 130, folding the exterior rearview mirror if the obstacle is positioned in the advancing direction of the exterior rearview mirror; 140, continuing detecting whether another obstacle is positioned in the advancing direction of the exterior rearview mirror or not; 150, unfolding the exterior rearview mirror under the condition that the obstacles are not positioned in the advancing direction of the exterior rearview mirror. The method and the system have the advantages that whether the obstacles are positioned in the advancing direction of the exterior rearview mirror or not is detected, so that the exterior rearview mirror can be automatically unfolded or folded under the control, pressure on a driver is relieved, the driver does not need to manually control unfolding and folding of the exterior rearview mirror, the driving safety is improved, and the exterior rearview mirror is protected; the vehicle can easily run through a narrow and small place after the exterior rearview mirror is folded, and the exterior rearview mirror is prevented from being damaged.

Embodiments of the present invention disclose a terminal endurance optimization method and apparatus and a terminal, relate to the technical field of electronic information. Additional increase of power consumption or additional reduction of terminal performance are avoided; both terminal performance and terminal power consumption can be considered, and terminal endurance capability can be optimized. The method provided by the present invention comprises: classifying applications in the terminal, and obtaining a classification result; aiming at one type of applications in the classification result, generating an energy conservation mode corresponding to the one type of applications; and determining a type of the currently running application of the terminal, and switching to the energy conservation mode corresponding to the type of the current running application. The method and the apparatus which are disclosed by present invention, are applicable to the scene that the terminal, according to the current application type, switches the energy conservation mode.

The invention relates to a WOL test method applied in a test machine, testing machines which are connected with each other in the same network and at least one machine to be tested, wherein the machine to be tested at least has the WOL function and is at least provided with an unique hardware address and a protocol address in the network, and the communication transmission protocol between the machine to be tested and the testing machines at least includes an address resolution protocol (ARP protocol); when the communication request information is transmitted between the testing machines and the machine to be tested, the protocol address and the hardware address of the testing machines is extracted from the communication request information by the testing machines, and the extracted protocol address and the hardware address are stored in an address database by the address resolution protocol (ARP protocol) according to corresponding mode; and after the machine to be tested is switched off, the hardware address of the machine to be tested is correspondingly taken out from the address database by the testing machines according to the protocol address of the machine to be tested and is processed into a valid hardware address, therefore, the corresponding machine to be tested can be processed by the operation of WOL test according to the valid hardware address.

The invention discloses an automatic sewing mechanism and an automatic sewing method. The automatic sewing mechanism comprises a machine table, a control device, a material grabbing device, a detecting device, a material moving device and a sewing device. A working tabletop is arranged on the machine table. The material grabbing device is arranged on the machine table. A control mechanism is connected to the material grabbing device and used for controlling the material grabbing device to grab cut parts and to send the cut parts onto the working tabletop. A detecting part of the detecting device is arranged on the machine table and located above the machine table. The control device is connected to the detecting part and used for controlling the detecting part to obtain the selvage positions of the cut parts of the working tabletop. The control device generates the movement track of the cut parts according to the obtained selvage positions. The material moving device is arranged on the machine table. The control device is connected to the material moving device and used for controlling the material moving device to press the cut parts and controlling a material driving device to drive the cut parts to move according to the movement track. The sewing device is arranged on the machine table and controlled to sew the cut parts. By means of the automatic sewing mechanism, time and labor are saved, and production efficiency is high.

The embodiments of the invention disclose testing systems. A testing system comprises a shielding box, control equipment and testing equipment. The shielding box comprises a control antenna and a testing antenna. The shielding box is used for placing a to-be-tested terminal with a to-be-tested antenna. The control equipment is connected with the control antenna. The testing equipment is connectedwith the testing antenna. The control equipment establishes WLAN connection with the to-be-tested terminal based on a generated WLAN signal through utilization of the control antenna. The control equipment is used for generating a control signal and sending the control signal to the to-be-tested terminal through utilization of the control antenna. The to-be-tested terminal is used for controllinga motion state of the to-be-tested antenna according to the control signal. The testing equipment is used for generating a testing signal, sending the testing signal to the to-be-tested terminal through utilization of the testing antenna, testing the to-be-tested antenna in a current motion state and obtaining performance parameters of the to-be-tested antenna. The embodiments of the invention also provide testing methods, the terminals and a computer memory medium.

The invention discloses an MSP430F149-based infrared remote control intelligent curtain, which comprises a power supply, an MSP430F149 single-chip microcomputer, a timing control module, a light sensor module, a wind and rain sensor module, an infrared receiver circuit and a motor drive module; the power supply is used for supplying electric energy for the whole circuit; the MSP430F149 single-chip microcomputer is connected with the timing control module, the light sensor module, the wind and rain sensor module, the infrared receiver circuit and the motor drive module; the operation of a motor is controlled by the motor drive module through an output signal; the motor is connected with the curtain; the motor is used for controlling the curtain to be opened and closed; the infrared receiver circuit is connected with a remote controller. The MSP430F149-based infrared remote control intelligent curtain disclosed by the invention has an infrared remote control function, and can automatically open and close at regular time; the infrared remote control intelligent curtain can also automatically open and close when sensing environmental conditions, such as outdoor light rays, wind and rain, and very great convenience is provided for the life of people.

The invention discloses an infrared remote control intelligent curtain, which comprises a power supply, a CPU (central processing unit) control device, a timing control module, a light sensor module, a wind and rain sensor module, an infrared receiver circuit and a motor drive module; the power supply is used for supplying electric energy for the whole circuit; the CPU control device is connected with the timing control module, the light sensor module, the wind and rain sensor module, the infrared receiver circuit and the motor drive module; the operation of a motor is controlled by the motor drive module through an output signal; the motor is connected with the curtain; the motor is used for controlling the curtain to be opened and closed; the infrared receiver circuit is connected with a remote controller. The infrared remote control intelligent curtain disclosed by the invention has an infrared remote control function, and can automatically open and close at regular time; the infrared remote control intelligent curtain can also automatically open and close when sensing environmental conditions, such as outdoor light rays, wind and rain, and very great convenience is provided for the life of people.

The invention relates to a semi-arc conveying belt used for conveying spherical objects. The semi-arc conveying belt used for conveying the spherical objects comprises a framework layer, an outer covering layer, a baffle, a hinge and a hinge switch; the framework layer is arranged in the outer covering layer; the framework layer is a three-to-six-layer overall belt core composed of glue dipped canvas and cord fabric or ropes arranged at a certain interval, and the glue dipped canvas and cord fabric are made from polyester industrial filament, nylon industrial filament, carbon fibers and cottonthreads; the upper end of the overall belt core is in a V shape, and the lower end of the overall belt core is in an arc shape; the baffle is fixedly arranged at the joint of the upper end and the lower end of the framework layer, and the included angle between the baffle and the inner side face of the lower end of the framework layer is 90 degrees to 150 degrees; the hinge is arranged on one endface of the arc lower end face of the framework layer; in the conveying direction, the conveyed objects are limited; the hinge is controlled by the hinge switch to be started and closed; and the V-shaped wide angle of the upper end of the framework layer is 150 degrees to 160 degrees; and the upper surface of the outer covering layer of the arc inner circle of the lower end of the framework layeris provided with an anti-slip structure. The conveying belt is easy to manufacture, materials are saved, cost is low, and strength is large.

The invention provides an automatic-ON / OFF monitoring device, comprising a bracket and a monitoring camera, wherein the monitoring camera is arranged on the bracket through a mobile device, a timing device is arranged on the monitoring camera, the ON / OFF of the monitoring camera is controlled through the timing device, a solar panel is arranged on the bracket, and an angle adjusting device is arranged at the lower end of the solar panel. Left-and-right movement of the monitoring camera is controlled by the mobile device, the ON and OFF time of the monitoring camera is controlled by the timing device, so that manually controlled ON / OFF of the monitoring camera is avoided; moreover, the solar panel is arranged to supply electrical energy to the monitoring camera, so as to increase the energy utilization ratio; and as a remote control device and a vibration sensing device are arranged to automatically power on the monitoring camera in a required condition, the safety is improved.

The invention is suitable for the field of wind tunnel group test operation scheduling, and particularly relates to a wind tunnel group high-pressure air resource dynamic topological structure modeling method and system and air consumption calculation. And constructing a dynamic topological structure of the high-pressure air resource distribution network of the wind tunnel group based on the graphic database and the adjacent matrix, and calculating the high-pressure air resource consumption of a specific wind tunnel based on the structure. According to the method, the topological structures of the tank group and the pipeline are updated and recorded in real time, the element set for guaranteeing a specific wind tunnel and the sharing relation between the wind tunnel and other wind tunnels are obtained, and accurate data support is provided for making a test strategy and calculating wind tunnel resource consumption; and the problems of inconvenience and low efficiency of manual control and coordination are avoided.

The invention provides a method and system for controlling the call state by a mobile terminal. The call state control method comprises the following steps of: detecting whether the mobile terminal has a calling prompt or is in a call state; when the mobile terminal has the calling prompt, detecting whether a voice input exists; when the voice input exists, identifying whether the current voice input comprises preset hangup keywords; and when the voice input comprises the preset hangup keywords, controlling the mobile terminal to refuse the calling prompt. The method and system for controlling the call state by the mobile terminal, the call state of the mobile terminal can be controlled in a voice input manner, and the key abrasion generated by key control is avoided.

The invention belongs to the technical field of household appliances, and particularly relates to a control method and device of a booster pump, a water heater, the booster pump and a storage medium. The invention aims at solving the problem that an existing booster pump control mode is poor in convenience. The control method of the booster pump is applied to the water heater comprising a first Bluetooth module. The method comprises the steps of: after the water heater is started, detecting the water inlet flow of the water heater; when the water inlet flow is smaller than the preset flow, generating a control instruction of the booster pump, and sending the control instruction the booster pump through the first Bluetooth module of the water heater so as to start the booster pump. Thus, linkage control over the water heater and the booster pump is achieved. The booster pump is automatically started based on the water inlet flow of the water heater, and thus the convenience and accuracy of booster pump control are improved.

The invention relates to an anti-skid stopping device for a railway freight line / special line. The anti-skid stopping device comprises a framework part, a transmission part, an execution part and a power part, wherein the framework part is connected with a steel rail and a sleeper and is provided with the transmission part and the power part; and the transmission part is provided with the execution part. According to the mechanical lever principle, the self-weight of a braked vehicle is used as a power source, and lateral pressure is automatically adjusted and transmitted by a floating stock rail and floating pincers, so that a braking rail which is arranged on the floating pincers and a supporting head applies the lateral pressure to the inner sides of wheels and then the wheels are braked to prevent the ready vehicle from running away. By using the balance principle of acting force and reacting force of a support and the supporting head through the floating pincers, the structure of equipment is greatly simplified, the failure rate is extremely low, the anti-skid stopping device is maintenance-free and does not need professional management, and labor cost and equipment maintenance cost are greatly reduced; and the anti-skid stopping device has the advantages of firmness, durability, large braking force, convenient installation and no need of additional power sources or other energy sources, and solves the problem of difficult power supply in remote areas.

The invention provides a solar energy-saving heat-insulating window capable of collecting heat and sheltering from sunshine. A window frame of the heat-insulating window is located on the outer wall of a corresponding window, a heat-insulating shutter protecting tube is fixed in an upper border of the window frame, two rotating shafts connected with a heat-insulating shutter are arranged in the heat-insulating shutter protecting tube, and remote-control motors are arranged on the rotating shaft I and rotate to drive the rotating shaft II to rotate; a stainless steel solar heat collector is arranged slantwise downwards outside the upper border of the heat-insulating shutter protecting tube; the heat-insulating shutter moves vertically through a left guide rail and a right guide rail arranged in a left border and a right border of the window frame, a pulling bar with the identical width to that of the heat-insulating shutter is fixed at the tail end of the heat-insulating shutter, and the pulling bar is connected with a locating bar, fixed on the lower border, through magnetic buckles and plastic suckers. The heat-insulating window is simple in structure and high in seal property, further improves the heat-insulting property of doors and windows, can shelter from the sunshine and produce hot water by the aid of solar energy, is applicable to cold dispelling and sunstroke prevention for residents and is energy-saving.

The invention discloses a large high-temperature superconducting magnet system based on a small refrigerating machine and a temperature control method. The high-temperature superconducting magnet system comprises a thermostat, a GM refrigerating machine, a helium refrigerating loop, a liquid nitrogen pre-cooling loop, a nitrogen fixation space and a superconducting coil assembly. The nitrogen fixation space is based on mixed gas of helium and nitrogen, and the cooling effect of the high-temperature superconducting coil assembly is optimized by utilizing the substance states of the mixed gas at different temperatures; the liquid nitrogen pre-cooling loop comprises a liquid nitrogen pre-cooling heat exchanger helium pipeline and a liquid nitrogen pre-cooling heat exchanger liquid nitrogen pipeline. The invention further discloses a method which comprises the steps that the helium refrigerating loop circulating pump is started, the helium system starts to circulate, and the superconducting coil assembly starts to cool; a liquid nitrogen pre-cooling temperature reduction working condition happens; and a quenching working condition hppens. The refrigerating machine, the helium refrigerating loop and the liquid nitrogen pre-cooling loop are organically combined, and the rapid cooling effect of the small refrigerating machine on the large high-temperature superconducting magnet system is achieved.

The invention discloses a self-adjusting type steel bar winding device. The device comprises a supporting frame, wherein a mounting plate is fixedly mounted on the top face of the supporting frame, a mounting cylinder is fixedly mounted at one end of the top face of the mounting plate, limiting springs are welded to the two ends of the interior of the mounting cylinder, moving rods are welded to the top ends of the limiting springs, a mounting frame is mounted on the top faces of the moving rods through screws, a moving electric push rod is fixedly mounted at one end of the middle of the mounting frame, a driving motor is fixedly mounted at one end of the moving electric push rod, a rotating shaft is fixedly connected to an output shaft of the driving motor, and a driving cylinder is fixedly connected to the outer side of the middle of the rotating shaft in a sleeving mode. Compared with the prior art, the device has the beneficial effects that a weight during winding can be measured, the purpose of automatic stopping during winding can be achieved, no manual control is needed, then human accidents are reduced, errors between the weights of steel bar coils are reduced, and therefore follow-up workers can conveniently carry the steel bar coils.

The invention provides a monitoring device for highway electromechanical equipment and a control system thereof, and relates to the field of monitoring device. The monitoring device for the highway electromechanical equipment and the control system thereof comprise a fan device, wherein the outer side of the fan device is fixedly connected with a mounting frame, a groove is formed in one side of the mounting frame, an adjusting assembly is arranged on one side of the mounting frame, a turnover assembly is arranged on the front side of the adjusting assembly, the adjusting assembly comprises a rotating plate, and the rotating plate is embedded in the groove. According to the monitoring device for the highway electromechanical equipment, when a gear disc rotates to drive a connecting rod to pull a first rack to move, so that a connecting gear drives a second rack to move under the limiting of a first telescopic rod; and when the second rack moves, a fixing rod is driven to push a placing frame to move downwards, so that the monitoring device can move up and down while detecting the fan device in an all-around mode, the detection coverage range is expanded, and the comprehensiveness of the detected data is improved.

The invention discloses a remote control adjusting and testing method for a traffic light supplementing lamp, which comprises the steps of mounting a cradle head on a monitoring rod on one side of a traffic camera, and then mutually connecting the light supplementing lamp and the cradle head; then connecting control lines of the cradle head and the light supplementing lamp with a traffic control box; connecting adjusting and testing software to the traffic control box, sequentially adjusting the rotation angle of the cradle head and the output power of the light supplementing lamp according toa preset adjusting and testing method, taking pictures by the camera, transmitting the pictures back to the adjusting and testing software, selecting a final picture by an operator after comparing all of the pictures, transmitting adjusting and testing parameters used by the picture back to the cradle head and the light supplementing lamp by the adjusting and testing software to serve as the final parameters; and finally, disconnecting the adjusting and testing software from the traffic control box to complete the adjustment and testing. The method has the characteristics of short adjustmentand testing time, low adjustment and testing cost, high safety and good light supplementing effect.

The invention discloses an assembly device of an air suspension airbag assembly, and relates to an airbag assembly device. The assembly device comprises a hydraulic station, an electric control box, an oil cylinder, an airbag assembly table and a compressed air source; the airbag assembly table comprises a top plate, a base, an upper cover plate fixing component and a lower base fixing plate component; the top plate and the base are connected through a support rod; the top plate and the upper cover plate fixing component are connected; the upper cover plate fixing component is additionally connected with the compressed air source through an air pipeline component; the lower base fixing plate component is positioned above the base, and is fixedly connected with a piston rod of the oil cylinder; the bottom of the oil cylinder is fixed at the bottom end of the base; the oil cylinder is connected with the hydraulic station through an oil pipe; and the hydraulic station is connected with an output end of the electric control box. The assembly device can quickly press airbag parts to achieve higher pressing efficiency, can provide online air pressure detection to guarantee the airbag assembly pressing quality, has the characteristics of simple structure and low cost, and is easy to popularize and apply.

The invention discloses a terminal control method, a terminal and a computer readable storage medium. The terminal control method comprises the steps of acquiring a current change value of a trigger circuit on the terminal; determining a current interval of the terminal, where the current change value is located and an operation instruction corresponding to the current interval; and controlling the terminal to execute the operation instruction according to the operation instruction corresponding to the current interval. In different states, sensor resistance in the trigger circuit is different, so that the magnitudes of currents flowing through the sensor resistance are different; the current interval where the current change value is located is judged to obtain the terminal operation instruction corresponding to the current interval, and then terminal state and operation are controlled; and therefore, the situation that a user needs to manually control the terminal state is avoided, and the purpose of automatically controlling the startup and shutdown of the terminal and the operation of the terminal is achieved.

The invention relates to the technical field of lamp structures, in particular to an adjustable electric track lamp. The electric track lamp comprises a power box, a lamp body assembly, a lamp arm assembly, a first driving assembly arranged in the power box and a second driving assembly arranged in the lamp body assembly; one end of the lamp arm assembly is rotationally connected with the power supply box, the other end of the lamp arm assembly is rotationally connected with the lamp body assembly, the first driving assembly is used for driving the lamp arm assembly to rotate, and the second driving assembly is used for driving the lamp body assembly to rotate. The electric track lamp is novel in structure and ingenious in design, the first driving assembly can drive the lamp arm assembly to rotate, the second driving assembly can drive the lamp body assembly to rotate, the adjustment on the position of the lamp body assembly and the irradiation angle can be controlled, use is flexible and convenient, and manual control is avoided; and the first driving assembly and the second driving assembly are remotely controlled to be started, and the position and the irradiation angle of the lamp body assembly are adjusted.

The invention discloses a method for automatically folding exterior rearview mirrors and an automatic folding system for exterior rearview mirrors, wherein the method includes step 110: detecting the running speed of the vehicle and judging whether the running speed is less than or equal to a first speed preset value; step 120: When the operating speed is less than or equal to the first speed preset value, detect whether there is an obstacle in the direction of travel of the exterior rearview mirror; Step 130: Fold the exterior rearview mirror if there is an obstacle; Step 140: Continue to detect whether there is an obstacle in the traveling direction of the exterior rearview mirror; Step 150: If there is no obstacle, turn on the exterior rearview mirror. By detecting whether there is an obstacle in the direction of travel of the exterior rearview mirror, it automatically controls the opening or folding of the exterior rearview mirror, relieves the driver, prevents the driver from manually controlling the opening and folding of the exterior rearview mirror, and improves driving safety and protection. Exterior mirrors. Folding the exterior rearview mirror makes it easy for vehicles to pass through narrow places without damaging the exterior rearview mirror.

The invention discloses an efficient grinding device for engineering plastic raw material processing. The efficient grinding device for the engineering plastic raw material processing comprises an extrusion box, wherein a supporting seat is in bolted connection with the center of an inner cavity of the extrusion box, a sliding sleeve is embedded in the center of an inner cavity of the supporting seat, a speed adjusting button is in bolted connection with the right side of the front face of the extrusion box, a feeding cylinder communicates with the left side of the extrusion box, and the left side of the top of the feeding cylinder communicates with a feeding hopper. Through cooperation of a low-speed motor and a feeding auger, engineering plastic raw materials can be rapidly fed, so that the engineering plastic raw materials are conveyed and fed at a constant speed, and the situation that the engineering plastic raw materials are stacked and blocked in the feeding process is avoided; through the cooperation of a stepper motor, a reducer, a rotating shaft, a cam, a pulley, a sliding column, a reset spring, an extrusion base and extrusion teeth, the engineering plastic raw materials can be subjected to primary pre-extrusion treatment, the engineering plastic raw materials are crushed and extruded in a reciprocating gravity downward pressing mode, the structures of the engineering plastic raw materials are directly damaged, and preparation is made for secondary grinding of the engineering plastic raw materials.

The invention is applicable to the technical field of oilfield exploitation, and provides an intermittent oil pumping unit. The intermittent oil pumping unit comprises an oil pumping unit body connected with an oil well pump; a sensor which is connected to the oil pumping unit body and used for sensing an operation signal of the oil pumping unit body; a brake piece which is connected with the oil pumping unit body and used for controlling the oil pumping unit to be separated; and a controller which is connected with the oil pumping unit body and the brake piece and used for controlling the oil pumping unit body to drive the oil well pump to work for oil pumping, wherein the controller is internally provided with a remote controller; and the remote controller is connected with the sensor, an indicator diagram is generated through a sensing signal of the sensor, the average fullness degree of the oil well pump and the equivalent liquid amount in unit time are calculated, circulating comparison is conducted, and oil pumping operation intermittent control is conducted. The intermittent oil pumping unit has the advantages of being simple in structure, convenient to operate, low in operation cost and convenient to control.

The invention discloses a rotation type vacuum sealing system comprising a support frame, an air control device, sealing devices, a rotating device, and an annular sealing-connecting device; the support frame comprises a support plate and support rods; the air control device comprises a main pipeline, a vacuum-pimping mechanism and an inflating mechanism; each sealing device comprises a sealing mechanism, a rotating mechanism, a driving mechanism, and a control valve; the rotating device comprises a hollow shaft, a shaft sleeve, driving wheels, and magnetic fluid sealing elements, the lower end of the hollow shaft is connected with the control mechanism, the upper end of the hollow shaft is connected with the shaft sleeve, and the upper end of the shaft sleeve communicates with the main pipeline through the control valve; and the annular sealing-connecting device comprises an annular heater, an oxyhydrogen machine, a gas pipeline, and a heating holder. According to the rotation type vacuum sealing system, multiple sealing devices are arranged on the support plate, and the synchronous sealing of multiple test tubes is realized through the rotating mechanism to facilitate to enhancesealing efficiency is enhanced; and the test tubes can be rotated in a vacuum through the rotating mechanism, an annular heater and the test tubes are cooperatively used for heating to avoid manual control, and the balance and security of heating sealing is enhanced to facilitate synchronous sealing of the multiple test tubes.

The invention discloses a control method of an underwater detector and a system thereof. Through the method provided by the invention, the system determines a target position coordinate and a currentposition coordinate based on the control instruction of the terminal, and a movement direction and a movement distance are obtained based on the target position coordinate and the current position coordinate. Finally the underwater detector reaches a target position through controlling a propeller. Therefore the control method of the underwater detector and the system thereof have advantages of preventing manual control of a user, and improving accuracy.