25results about How to "Avoid frustration" patented technology

The invention relates to the technical field of online education, in particular to an interactive teaching method, system and device for online education and a medium. According to the invention, the timeliness of information transmission is enhanced through real-time labeling of a teacher and synchronous display of a student terminal; the understanding degree of the students is evaluated through the interactive answering task, so that the teacher can adjust the teaching strategy in time; secondly, comprehensively collecting student learning behavior data including annotation information viewing frequency, answering time, accuracy and the like, and generating personalized learning reports and teaching suggestions based on the multi-dimensional learning behavior data; the problem of real-time interaction is solved, comprehensive monitoring and accurate guidance of the learning process are realized through data analysis, and the effect of online education is remarkably improved.

The invention belongs to the technical field of automobile steering control, and particularly relates to an EPS power-assisted mode and return mode switching process control method which is composed of a steering mode switching judgment module, a switching time determination module, a torque curve processing module and a switching compensation torque determination module. By designing the switching time length determination module, the return time is determined according to the steering angle of the steering wheel and the vehicle speed at the current moment, the expectation of a driver is better met, the expected value of the switching compensation torque is obtained through torque processing of the Bizier curve according to calculation of different switching conditions, and therefore the accuracy of the switching compensation torque is improved. The switching compensation torque at any switching moment is obtained by tracking the switching torque curve graph, so that the steering mode switching process of the vehicle under different working conditions is smoother, and the steering comfort of a driver is greatly improved; the problem of pause caused by sudden change of hand torque felt by a driver when the power-assisted mode and the aligning mode of the current electric power-assisted steering automobile are switched is solved, and the driving experience is improved.

The invention relates to the technical field of English teaching, in particular to an intelligent English teaching system for English teaching, which comprises a data storage server, a student terminal, a data exchange server and a teacher terminal, the student terminal comprises an input unit, a data acquisition unit, a planning unit, an auxiliary unit, a processor, an execution unit, a recording unit, a rechecking unit and a management unit; the input unit is used for receiving and recording target data set by a user, and the target data comprises a target location and preset time; the intelligent English teaching system provides simulation questions in recent three years and an intelligent recheck mechanism by precisely customizing a learning plan, and effectively improves the pertinence and efficiency of English learning. The system can automatically adjust learning content and strengthen weak links according to requirements of students, ensures that the students comprehensively master English knowledge, provides powerful support for English examination, and remarkably improves academic records and examination taking ability of the students.

The invention discloses an XR-integrated knowledge graph digital publication generation method and system, and particularly relates to the technical field of knowledge graphs. The method comprises the following steps: determining an XR scene type and user requirements, constructing a structured knowledge graph, recording rendering content operated by a user in real time, evaluating the response capability of a system under different conditions, measuring the difference between the actual feedback speed and the expected feedback speed of the user, judging the lagging feeling, and determining the real-time response capability required by interaction according to an analysis result. Response capabilities are divided into high, medium and low levels, high-frequency interaction contents are preferentially rendered locally to reduce delay, low-real-time tasks are asynchronously processed, for medium-real-time response, the system dynamically adjusts rendering details according to abnormal change conditions of the real-time response capabilities, performance optimization is ensured, smoother user experience is provided, the delay is effectively reduced, and the user experience is improved. And the real-time performance of interaction and the operation fluency of the user are also improved.

The invention discloses a snowmobile gear shifting structure, and belongs to the field of snowmobiles, the snowmobile gear shifting structure comprises a box body, a gear shifting support and a gear shifting assembly are mounted on the box body, a gear shifting limiting opening is formed in the gear shifting support, the gear shifting limiting opening comprises a gear shifting channel, a parking opening is connected to the gear shifting channel, and the parking opening intersects with the gear shifting channel; a gear entering opening and a gear reversing opening are formed in the two sides of the parking opening correspondingly, the gear entering opening and the gear reversing opening both intersect and communicate with the gear shifting channel, and due to the fact that the gear shifting assembly needs to move in the gear shifting channel during gear shifting, the gear shifting assembly does not stay in the gear shifting channel before and after gear shifting and is located in the gear entering opening or the gear reversing opening or the parking opening; therefore, mistaken gear shifting caused by mistaken touch is avoided, and the problem that in the prior art, mistaken touch or gear shifting failure is prone to occurring when the snowmobile shifts gears by shifting the gear shifting rod front and back is solved.

The invention discloses an intelligent virtual simulation perinatal depression woman psychological health promotion method, and belongs to the technical field of psychological medicines.The promotion method comprises the following specific steps that firstly, the requirements of perinatal depression women are collected, and the relation between the requirements and software is established; iI, constructing a personalized virtual game world according to user requirements; iII, analyzing and managing user emotion changes and dynamically adjusting a game environment; according to the method, the quality and the effectiveness of social connection can be effectively improved, so that more and more helpful social support is provided for each user, the effectiveness of social interaction is improved, the emotion recovery speed and the social participation sense of women in the perinatal period are effectively improved, the loneliness is reduced, the bruise or boring sense caused by too difficult or too easy tasks is avoided, and the user experience is improved. The method can stimulate the continuous participation of the users and enhance the self-effectiveness of the users, thereby improving the effect of virtual simulation intervention, enhancing the confidence and self-value of the women suffering from depression in the perinatal period, and facilitating emotion regulation and psychological recovery.

The invention discloses a trainee data analysis method and system for electric power communication machine room inspection training, and relates to the technical field of electric power communication machine room inspection, and the method comprises the steps: collecting the user basic information of trainees; preprocessing the basic information of the user, concrete the data by using a label, and counting and distinguishing user groups; capturing dynamic changes of trainee features, perfecting and modifying labels, and establishing a dynamic model of trainee portraits; and according to the dynamically changing student demands, a demand prediction model is established, the potential demands of the students are predicted, and personalized training is provided. Aiming at a multi-dimensional index evaluation system in the field of electric power communication machine room inspection, the skill evaluation grade of the student is set, the inspection skill proficiency of the student is quickly mastered through the evaluation result, and the training work in the field of electric power communication machine room inspection training is assisted.

The invention relates to the technical field of robots, in particular to a walking control method of a robot and the robot, and the walking control method comprises the steps of determining an easy-to-collide area, counting historical collision records of the robot walking in the easy-to-collide area, updating the walking speed of the robot in the easy-to-collide area according to the historical collision records, and updating the easy-to-collide area. On one hand, according to the embodiment, the next walking speed of the robot in the easy-to-collide area can be flexibly adjusted according to the collision condition when the robot walks in the easy-to-collide area, so that the risk that the robot collides with the obstacle can be reduced, the robot can be prevented from frequently colliding with the obstacle, and the cleaning smoothness and the cleaning effect are improved; and on the other hand, the change condition of the easy-to-collide area can be dynamically perceived, so that the phenomenon that the robot pauses due to the change of the easy-to-collide area when walking in the easy-to-collide area next time can be avoided, and then the walking smoothness of the robot can be improved.

The utility model belongs to the technical field of fitness equipment, and relates to a winding device and the fitness equipment. The winding device comprises a reel, a rope and a guide sleeve. The reel comprises a winding section and a guide section which are arranged in the axial direction of the reel, and a spiral guide groove is formed in the outer wall of the guide section. The guide sleeve sleeves the guide section and is in threaded connection with the guide section; the rope is wound on the winding section, one end of the rope is connected to the reel, and the other end of the rope is separated from the reel to be connected with a handle assembly for training; when the reel rotates back and forth under the action of external force, the guide section and the guide sleeve are mutually screwed, so that the reel does reciprocating motion relative to the guide sleeve in the axial direction of the reel, and the rope is retracted and pulled. The rope winding device can avoid the phenomenon of line folding in the rope winding and pulling process, and ensures that the rope is stably wound out, so that obvious pause feeling is avoided in the rope winding and pulling process, the continuity of training actions of a user is ensured, and the training effect is ensured.

The utility model provides a kind of foldable mobile platform for tunnel construction, it is related to tunnel construction equipment technical field, and it includes: mobile vehicle frame, mobile vehicle frame upper is equipped with operation platform;Shear fork assembly is equipped between the operation platform and mobile vehicle frame;The front and rear sides of the top of mobile vehicle frame are equipped with limit frame;The connecting seat is equipped with limit frame upper, and connecting seat is connected with operation platform bottom, by crankshaft and telescopic rod interwork, make sliding block along limit sliding slot up and down sliding, and utilize the rebound of tensile spring, can make operation platform lift more stable, avoid its violent shaking or abrupt feeling, it is convenient for construction personnel accurate operation, improve operation quality, solve the mobile platform for tunnel construction in use when existing, platform lifting process can appear violent shaking or abrupt feeling, especially when aerial work, the problem that the lack of stability can affect construction precision.

The utility model belongs to the technical field of fitness equipment, and relates to a winding device and the fitness equipment. The winding device comprises a winding wheel, a rope and a transmission assembly. A spiral groove is concavely formed in the outer wall of the reel; the transmission assembly comprises a guide rail, a guide sleeve and a shifting piece, the guide rail is arranged outside the reel in parallel, the guide sleeve sleeves the guide rail and is in sliding connection with the guide rail, the shifting piece is convexly arranged outside the guide sleeve, and the head of the shifting piece extends into the spiral groove; the rope is wound in the spiral groove, one end of the rope is connected to the reel, and the other end of the rope is separated from the reel and connected with a handle assembly used for training. When the reel rotates back and forth under the action of external force, the shifting piece is driven by the reel to drive the guide sleeve to move back and forth along the guide rail, and the rope is pulled and retracted. The rope folding phenomenon in the rope pulling process can be avoided, it is ensured that rope outgoing is stable, and therefore the obvious pause feeling in the rope pulling process is avoided, the continuity of training actions of a user is ensured, and the training effect is ensured.

The invention belongs to the technical field of fluid working systems, and provides a hydraulic control system for a low-horsepower tractor. According to the hydraulic control system for the low-horsepower tractor, each clutch pressure control mechanism is provided with a clutch electromagnetic valve, each clutch electromagnetic valve is provided with a corresponding energy accumulator, and hydraulic oil needs to pass through the energy accumulators corresponding to the clutch electromagnetic valves before flowing into the clutch electromagnetic valves; the clutch electromagnetic valve provides hydraulic oil for direct drive of the execution structure. Each clutch electromagnetic valve is provided with a corresponding energy accumulator, and the energy accumulators provide power for a gearbox pressure system. The energy accumulator absorbs pressure impact during gear shifting of the hydraulic system, and pulsation is eliminated; the energy accumulator has the characteristic of rapid oil drainage, the gear shifting response time of the gearbox can be shortened, the pause feeling is avoided, and the driving comfort is improved; the clutch electromagnetic valve direct drive provides execution structure hydraulic pressure, control valve components are reduced, and the control precision and the response speed are improved.

The utility model discloses an automobile seat armrest function spare, specifically relates to the technical field of automobile seat armrest, including lifting assembly, and the bottom of lifting assembly is provided with outer frame assembly, and the inner chamber of outer frame assembly is provided with a plurality of control assemblies symmetrically, lifting assembly includes storage box, and the top of storage box is provided with top cover, and the inner chamber of storage box is provided with placing groove, and the inner chamber of placing groove is provided with baffle, and the bottom of storage box is provided with a plurality of telescopic columns symmetrically, and the inside of telescopic column all is provided with a plurality of positioning slot. Solve the use amount of more of the low -end vehicle of existing car use, can low -end vehicle generally not be equipped with armrest function, and the height of general armrest is not convenient to control, cannot satisfy the comfort of driver elbow, and under normal circumstances, the position of the neat storage of mobile phone, cigarette and card type articles in original car is inconvenient. Therefore, the automobile seat armrest function spare is proposed to solve such problems.

The invention discloses a fuel supply system, method and equipment of an engine and a medium. The fuel supply system comprises a first fuel supply pipeline and a second fuel supply pipeline, a second delivery pump for pumping a second fuel; the adding device is provided with a second channel communicated with the output end of the second conveying pump and the first fuel supply pipeline, and the flow area of the second channel is adjustable; the control module is electrically connected with the second conveying pump and the adding device and used for determining the target adding amount of the second fuel based on the engine operation working condition; determining target traffic based on the target additive amount; and based on the target flow, the flow area of the second channel or the pumping pressure of the second conveying pump is controlled, so that the second fuel is conveyed to the first fuel supply pipeline at the target flow until the adding amount of the second fuel in the first fuel supply pipeline reaches the target adding amount. By the adoption of the system, diesel-free cold start is achieved, the complexity and cost of the system are reduced, the pause feeling in the fuel conversion process is eliminated, the combustion stability of an engine is improved, and the service life of the engine is prolonged.

The shaft transmission pedal motorcycle hybrid engine structure is characterized in that the shaft transmission pedal motorcycle hybrid engine structure comprises an internal combustion engine unit, an AMT gearbox, a motor unit and a transmission shaft assembly, an output shaft of the internal combustion engine unit is connected with a clutch assembly, and the clutch assembly is located in a shell of the AMT gearbox; an output shaft of the clutch assembly is in gear transmission with an input shaft of the AMT gearbox, the motor unit is arranged in a shell of the AMT gearbox, one end of a central shaft of the motor unit is connected with the output shaft of the AMT gearbox, and the other end of the central shaft of the motor unit is in gear transmission with the transmission shaft assembly. The method has the beneficial effect that the power performance and the fuel economy of the pedal motorcycle are remarkably improved. Smoother driving experience is provided; the pause feeling of a vehicle body when a traditional AMT speed changing box accelerates and decelerates suddenly is avoided; the use cost of the vehicle and the influence on the environment are reduced.

The invention relates to the technical field of vehicle intelligent control, and provides a new energy vehicle ice and snow pavement intelligent cooperative anti-skid control method and system. The method comprises the steps of predicting a risk level of a vehicle about to slip based on vehicle state information and road surface information; according to the risk levels, control instruction combinations used for controlling a steering system, a driving system and a braking system to cooperatively act are generated, and different risk levels correspond to different control instruction combinations; and based on the control instruction combination, cooperative intervention is conducted on the vehicle through the steering system, the driving system and the braking system. According to the method, through predictive risk judgment and multi-system cooperative execution, the transformation from remedy after slipping to prevention before slipping is realized, and the safety, smoothness and energy efficiency of driving on the ice and snow covered pavement are effectively improved.

The utility model relates to the technical field of electric window openers, and discloses an electric window opener rail guide device which comprises a main body and a T-shaped plate, a lead screw is rotatably connected to the interior of the main body, a motor is fixedly installed outside the main body, the output end of the motor is fixedly connected with the lead screw, the outer surface of the lead screw is in threaded connection with a threaded block, and the T-shaped plate is fixedly installed on the main body. A mounting frame is fixedly connected to the outer surface of the top of the movable rod, pulleys are mounted on the outer surface of the mounting frame, and sliding grooves are formed in the inner surface of the top and the inner surface of the bottom of the main body. A motor drives a lead screw to rotate, drives a threaded block to move, cooperates with a fixed column and a movable column and pushes a mounting plate to open a window, and a pulley slides in a sliding groove to guide movement of the threaded block, so that sliding friction is replaced with rolling friction, and the situation that after a sliding block slides on a sliding rod for a long time, the sliding block is damaged is avoided. And a pause feeling is caused by friction force, so that the service life of the window opener is prolonged.

This utility model relates to the field of self-adhesive label production technology and discloses a self-adhesive label die-cutting machine, including: a worktable and self-adhesive labels. A support plate is fixedly installed on the top of the worktable, and an adjustment component is provided between the support plate and the worktable. This equipment solves the problem of "easy deviation and easy deformation" of self-adhesive label substrates through an adaptive feeding structure of "spring buffer - anti-slip damping - double roller traction," ensuring feeding stability. Regarding the adaptability of the pressing material, the anti-slip roller of the compression component adopts a "spring groove - sliding block" buffer design: the spring groove is fixed to the bottom of the support plate, and the inner second sliding block is connected to the inner wall of the sliding block through a spring. When self-adhesive substrates of different thicknesses pass through, the spring can adaptively extend and retract according to the substrate thickness, pushing the second sliding block to drive the anti-slip roller to make slight adjustments up and down, always maintaining appropriate pressure on the substrate surface, thus avoiding excessive pressure that could cause substrate deformation.

The present application discloses a vehicle braking control method, device, equipment and storage medium, and relates to the field of vehicle braking technology. The present application discloses a vehicle braking control method, including: when determining that the vehicle is traveling on a bumpy road and is in a stable state, based on the collected wheel speed information, wheel speed change rate and preset stability parameters, determining the target braking torque required for vehicle braking; receiving the actual braking torque of the motor when the motor braking in the vehicle is controlled based on the target braking torque; based on the difference between the target braking torque and the actual braking torque, requesting the torque supplementation module in the vehicle to provide the supplementary braking torque that is lacking in the motor braking. In the present application, the torque supplementation module in the vehicle is requested to balance the torque required for braking, so as to avoid the vehicle from experiencing a sense of frustration due to the lack of deceleration, thereby improving driving comfort.

The embodiment of the present invention provides a method for optimizing the imitation of the action of an intelligent dexterous hand, which can be applied to the field of artificial intelligence technology. The method for optimizing the imitation of the action of the intelligent dexterous hand includes: obtaining the action image data of the target execution action; extracting the corresponding action trajectory data according to the action image data; and optimizing the imitation execution of the target execution action by the dexterous hand through preset action trajectory optimization conditions according to the current execution state and action trajectory data of the dexterous hand. The embodiment of the present invention also provides a device, equipment, storage medium and program product for optimizing the imitation of the action of the intelligent dexterous hand.

The utility model discloses a double-motor electric power transmission system which comprises driving motors and driving axles, the driving motors comprise a front driving motor and a rear driving motor, and the driving axles comprise a front driving axle and a rear driving axle. An output shaft of the front driving motor is connected with an input shaft of the front driving axle through a front transmission shaft or the output shaft of the front driving motor is directly connected with the input shaft of the front driving axle; and the output shaft of the rear driving motor is connected with the input shaft of the rear driving axle through a rear transmission shaft or the output shaft of the rear driving motor is directly connected with the input shaft of the rear driving axle. The power system has the advantages of being simple in structure, energy-saving and environment-friendly, reducing parts of the power system, improving the transmission efficiency and reliability of the whole vehicle and the like.

The utility model discloses an electric power transmission system which comprises a drive motor and a drive axle, an output shaft of the drive motor is directly connected with an input shaft of the drive axle, a positioning sleeve is sleeved outside the output shaft of the drive motor and the input shaft of the drive axle, one end of the positioning sleeve is connected with the drive motor, and the other end of the positioning sleeve is connected with the drive axle. The transmission device has the advantages that the structure is simple, energy is saved, the environment is protected, parts of a power system are reduced, and the transmission efficiency and reliability of the whole vehicle are improved.

The application discloses a hip-knee joint integrated structure for a power prosthesis, characterized in that the hip-knee joint integrated structure comprises a prosthesis hip joint (1), a power transmission system (2) and a prosthesis knee joint (3); the prosthesis hip joint (1) is fixedly connected with the prosthesis knee joint (3), and the power transmission system (2) is fixedly connected with the prosthesis hip joint (1); the power transmission system (2) simultaneously transmits power to the prosthesis hip joint (1) and the prosthesis knee joint (3) in two directions, drives the prosthesis hip joint (1) to complete a hip flexion action, and drives the prosthesis knee joint (3) to complete a knee flexion action. The hip-knee joint integrated structure can improve the joint motion coordination ability and improve the gait of an amputee, and a set of power system can be used to improve the energy utilization rate. The hip-knee joint integrated structure can also simulate the pulling effect of leg joint muscles on the joint, and meanwhile, the jerk feeling that may exist in the periodic motion process of rigid transmission is avoided.

The present invention belongs to the technical field of fluid working systems, and provides a hydraulic control system for a small horsepower tractor. A hydraulic control system for a small horsepower tractor, each clutch pressure control mechanism is provided with a clutch solenoid valve, each clutch solenoid valve is provided with a corresponding accumulator, and the hydraulic oil needs to pass through the accumulator corresponding to the clutch solenoid valve before flowing into the clutch solenoid valve; the clutch solenoid valve directly drives the execution structure to provide hydraulic oil. Each clutch solenoid valve is provided with a corresponding accumulator, and the accumulator provides power to the gearbox pressure system; the accumulator absorbs the pressure shock when the hydraulic system shifts gears and eliminates pulsation; the accumulator has a fast oil discharge characteristic, which can reduce the gearbox shift response time, avoid frustration, and improve driving comfort; the clutch solenoid valve directly drives to provide the execution structure hydraulic pressure, reduce the control valve components, and improve the control accuracy and response speed.