82 results about "Stable status" patented technology

The invention belongs to the technical field of flow shop scheduling, and particularly relates to a hybrid flow shop full-active batch scheduling method. On the basis of a construction process of full active scheduling, complete scheduling is generated, and a compact and feasible initial solution is obtained; a damage-repair process based on a track is introduced, and complete scheduling is enhanced by focusing key operation to gradually converge to a stable state. According to the method, for the first time, on the basis of a construction process of full-active scheduling, complete scheduling is generated, batch dispatching, batching and distribution rules are effectively integrated, a high-quality scheme is constructed by utilizing a weighted priority mechanism, a damage-repair process based on a track is introduced, and the complete scheduling is strengthened by focusing key operation and is gradually converged to a stable state. Cross-stage waiting can be reduced, the equipment utilization rate is improved, and the total completion time is shortened; a high-quality schedule is generated in a short calculation time, and the method is suitable for a real-time or quasi-real-time production environment.

The invention relates to the technical field of turbine manufacturing and maintenance, in particular to a turbine bearing and rotor journal clearance measurement method, which comprises the following steps of part in-place, gasket group arrangement, simulation compression and equivalent clearance measurement. Measuring an equivalent gap Se of at least one position at a gap between the bearing upper half tile and the rotor shaft neck in a state of maintaining the pre-tightening force; wherein the preset thickness T is set according to the target bearing top clearance C, and the target bearing top clearance C is equivalently realized and verified by controlling the thickness of the gasket group; according to the method, the radial clearance is indirectly and accurately determined by controlling the pressing position of the split of the bearing, the set value of the top clearance is verified, efficient and visual evaluation of the size of the backlash and the axial uniformity of the clearance is achieved through the geometrical relationship in the stable state, and more direct and accurate clearance verification is achieved.

The invention belongs to the technical field of milling, and particularly relates to a milling control method and system for a bearing ring, and the method comprises the steps: obtaining and analyzing a vibration signal and main shaft driving power of a machining system in real time, and calculating and obtaining a regeneration effect dominant index for quantifying chatter severity based on a ratio of a chatter amplitude value to a cutter tooth passing frequency amplitude value; multiplying the nonlinear function of the index by the time integral of the main shaft power to construct a dynamic cumulative disturbance factor capable of comprehensively reflecting the current stable state and the historical cumulative disturbance of the system, and dynamically adjusting the self-adaptive step length of the FXLMS control algorithm according to the disturbance factor; therefore, more efficient and robust active suppression of processing flutter is realized on the premise of ensuring the stability of the system.

The application relates to the technical field of packaging box production, in particular to a license plate packaging box and a preparation device thereof, aiming at the problems of instability, easy changeability and easy breakage of the existing license plate box structure, and providing a license plate packaging box and a preparation device thereof, which comprise a bottom box and an upper cover, two opposite sides of the bottom box are respectively provided with short folding edges and long folding edges when the bottom box is unfolded, a plurality of first notches and first lugs are arranged on the short folding edges, the short folding edges can be in a stable state after being folded through cooperation of the first notches and the first lugs, a plurality of second notches and second lugs are arranged on the long folding edges, the long folding edges can be in a stable state after being folded through cooperation of the second notches and the second lugs, and the stability of the whole box can be improved, and the box can be prevented from being deformed and broken during transportation.

The application discloses an adjustable air force collecting and distributing system, an adjusting control method thereof and a seeding machine, and belongs to the technical field of seeding machines. The air force collecting and distributing system comprises a fan, a mixing device, a conveying pipe and a distributor which are sequentially connected. The conveying pipe comprises a horizontal section and a vertical section. The upper end of the vertical section is connected with the bottom of the distributor. The application further comprises a detection system, an adjusting system, a control system and a flexible connecting piece. The high-speed dynamic response of the adjusting system and the accurate posture adjustment of multiple degrees of freedom are used to execute the precision adjusting instruction calculated by the detection system in real time, so that the distributor can keep a stable state at any time, the seed conveying, accumulation and uneven distribution caused by the inclination of the distributor are avoided, and the seeding uniformity of the air force collecting and distributing system under complex terrains is ensured.

The application provides a method and device for determining the advance of height adjustment of an air spring. The method comprises: in response to a height adjustment instruction issued for the air spring, obtaining an initial adjustment advance corresponding to the height adjustment instruction and a target spring height, adjusting the height of the air spring according to the initial adjustment advance and the target spring height, after the adjustment is completed, obtaining an actual spring height of the air spring and collecting vehicle driving parameters, determining a vehicle driving state according to the vehicle driving parameters, in the case that the vehicle driving state is in a stable state, determining a height adjustment deviation value according to the target spring height and the actual spring height, and determining a target adjustment advance according to the height adjustment deviation value and the initial adjustment advance. The target adjustment advance of the application is a definite value and matches the current air spring state of the vehicle, so that the accuracy of the spring height adjustment can be improved and the performance of the suspension system and the driving comfort can be ensured.

A supporter for a wearable exercise apparatus may include a main body; a pair of main frames connected to the main body; a pair of straps connected to the pair of main frames, respectively; and a bistable spring which is provided inside each of the pair of the straps and maintained in one of two stable states by a restoring force. The two stable states include a first stable state in which the bistable spring has a shape extending straight along the longitudinal direction and a second stable state in which the bistable spring has a shape that is bent once. The shape of the strap may be determined according to the shape of the bistable spring.

The application discloses an immersion server operation control method and system, and relates to the technical field of immersion cooling, which comprises the following steps: judging whether the liquid level is higher than the preset starting liquid level, activating the cooling liquid circulating system to confirm the liquid flow; optimizing the cooling liquid inflow speed according to the feedback of the flow rate sensor, and monitoring the liquid level stable state in the server cabinet; judging whether the cooling liquid leaks based on the liquid level speed-up and flow rate deviation, triggering an alarm when the liquid level is insufficient, and automatically adjusting the liquid level and the circulation time. The method improves the automation level and operation safety of the system, ensures sufficient supply of the cooling liquid under high load conditions of the server, reduces downtime caused by leakage of the cooling liquid, reduces long-term operation cost of the system through timely maintenance notification, ensures quick recovery of the system when leakage occurs through automatic adjustment of the liquid level and the circulation time, and thus improves the reliability and fault recovery capability of the system.

The utility model relates to a kind of temporary bridge deck for water conservancy project, belong to temporary bridge deck technical field, including support column and the top plate fixedly connected in the top end of support column, the outside of the support column is provided with the support reinforcing structure extending to its bottom, the support reinforcing structure includes the fixed sleeve fixedly connected to the outside of support column, the outside fixed connection of the fixed sleeve has first hinged member.That temporary bridge deck for water conservancy project, by setting first hinged member and support strut, support strut can be rotated, further by setting earth peg, support strut can be fixed on ground, while cooperating with support column, entire device can be in stable state, while by setting second hinged member and hinged rod, support strut can be reinforced while ensuring not to affect support strut storage, further improve the stability of whole, avoid in the condition of shaking.

This application discloses a power-on operation execution method, apparatus, chip, and electronic device, belonging to the field of computer technology. The method includes: after the chip is connected to a host, when the frequency of the chip's first clock signal switches to a stable state, starting the chip's processor; receiving a reset signal sent by the host, the reset signal being sent after the frequency of the host's second clock signal switches to a stable state; and performing a power-on operation in response to the reset signal; wherein the time point when the frequency of the first clock signal switches to a stable state is earlier than the time point when the second clock signal switches to a stable state. Since the time point when the frequency of the first clock signal switches to a stable state is earlier than the time point when the second clock signal switches to a stable state, it is equivalent to advancing the processor startup process before receiving the reset signal. Therefore, there is no need to perform the processor startup operation during the power-on process, thereby shortening the time consumed by the chip's power-on process.

The utility model relates to the technical field of industrial building wall reinforcing, and discloses a reinforcing structure for an industrial building wall, which comprises a mounting block, a supporting mechanism is arranged on the inner side of the mounting block, a warning mechanism is arranged on the front side of the supporting mechanism, the supporting mechanism comprises a base, the base is fixedly connected to the inner side of the mounting block, and the warning mechanism is arranged on the inner side of the base. A first supporting plate is fixedly connected to the rear side of the base, a bearing frame is slidably connected to the interior of the base, and a connecting block is slidably connected to the interior of the bearing frame. And the mounting block is fixed through external fixing equipment, so that the base is in a stable state, meanwhile, the bearing frame is slidably connected into the base, the bearing frame can be fixed under the action of a bidirectional threaded rod, a movable seat and an insertion block, and the bearing frame is convenient to mount and dismount while the stability of the bearing frame is ensured.

Invention Title: A Quadrotor-Autorotor Combined with a Vertical Take-Off and Landing Variant Aircraft and Control Method This specification discloses a quadrotor-autorotor combined with a vertical take-off and landing (VTOL) variant aircraft and its control method, belonging to the field of aircraft technology. The aircraft includes: a power system, a flight control system, a quadrotor system, an autorotor system, and a variator system. The power system provides power to the aircraft; the flight control system is responsible for regulating the parameters of the quadrotor system and the variator system; the quadrotor system provides lift when the aircraft is in a stable state (VTOL or hovering), and provides forward and steering power when the aircraft is in cruise mode; the autorotor system provides lift when the aircraft is in cruise mode; the variator system rotates the quadrotor variator spindle via a driver, thereby rotating the quadrotor motors' planar angle. Combined with the flight control system's regulation of the quadrotor motor's planar angle and the speed of the four motors, a reasonable distribution of horizontal and vertical forces is achieved, enabling a smooth transition between stable and cruise states. Compared to traditional autogyros, this aircraft can take off and land vertically and hover. Its control is simple and efficient. Compared to traditional quadcopters, it is more energy-efficient and safer. This invention combines the advantages of both quadcopters and autogyros, resulting in an economical, easy-to-handle, safe, and reliable vertical takeoff and landing flight platform.

The invention provides an information processing method and device for quantum go and electronic equipment, and the method comprises the steps: responding to two consecutive chess piece falling operations of a participant in a current game in a chess piece moving stage, and providing a first virtual chess piece at an indication position of each chess piece falling operation, each first virtual chess piece has a state identifier representing a quantum entanglement state; based on the positions of second virtual chess pieces on the virtual go chessboard, whether the two first virtual chess pieces meet collapse conditions or not is determined; in response to the fact that the collapse condition is met, one first virtual chess piece in the two first virtual chess pieces is removed from the virtual go chessboard, and the state of the first virtual chess piece reserved in the virtual go chessboard is updated to a stable state from a quantum entanglement state; and in response to the fact that the winning and losing judgment condition is met, determining the winning and losing result of the current game according to the chess piece layout state on the virtual go chessboard when the winning and losing judgment condition is met.

The application relates to a damping self-adaptive structure and control method of an acceleration sensor, belonging to the technical field of fuzes. Two opposite electrode plates are additionally arranged between a mass block of the acceleration sensor and a lower supporting silicon base to realize the effect of variable damping. When the output of the sensor is greater than a trigger threshold value, a certain current is passed through the electrode plates to generate an acting force between the two electrode plates, thereby generating damping for limiting the movement of the sensor, enabling the acceleration sensor to return to the initial stable state more quickly and reducing the oscillation time; when the output of the sensor is less than a termination threshold value, it is determined that the sensor has returned to the initial stable state, the feedback control is turned off, the acting force between the two electrode plates disappears, and the sensor normally works again. The application is suitable for the field of acceleration sensors, enables the acceleration sensor to have better dynamic performance, can return to a stable value more quickly when subjected to a pulse signal, increases the detectable bandwidth of the sensor, and improves the controllability of the damping self-adaptive structure of the acceleration sensor.

The invention discloses a high-stability large-bucket-capacity mining intelligent loading machine, and relates to the technical field of loading machines, the high-stability large-bucket-capacity mining intelligent loading machine comprises a loading machine rear counter weight, a weight box fixedly penetrates through the top of the loading machine rear counter weight, the weight box is used for storing balancing weights of the same specification, a box cover is rotatably mounted at the top of the weight box, and the high-stability large-bucket-capacity mining intelligent loading machine further comprises a standby weight frame, a first supporting frame and a second supporting frame, the standby counter weight frame is fixedly installed at the bottom of a rear counter weight of the loading machine, a through hole is formed in the bottom of the standby counter weight frame, and a groove is formed in the bottom of the inner wall of the standby counter weight frame. The large-specification balancing weights and the small-specification balancing weights are configured in a grading mode, accurate balance of the weight of the front end and the rear end of the loader after a new bucket is reloaded is achieved, then the cylindrical pins are used for positioning the balancing weights, and it is guaranteed that the balancing weights are kept in the stable state in the operation process of the loader.

The application discloses a kind of robot climbing performance test methods, the method obtains whether the speed of robot climbing test before position sensor reaches stable state, the position of robot in the process of climbing is obtained by laser radar sensor, and whether its movement is stable is analyzed, in the case where instability occurs, stop instruction is sent in time and test slope is reduced;A kind of robot climbing performance test system is also disclosed;The application improves the accuracy and safety of test by the acquisition and analysis of the state before robot climbing and the state in the process of climbing;The climbing angle in the test method of the application can be adjusted in time according to the climbing state of robot, to improve the accuracy of obtaining the climbing performance of robot, and ensure the safety of robot and test equipment in the process of climbing.

The utility model relates to a support device and a lifting table, and the support device comprises a first supporting part which is provided with a containing cavity and is used for placing a to-be-supported part; the second supporting piece is movably arranged on the first supporting piece; the locking assembly is arranged in the containing cavity and comprises a push plate and a locking strip, the push plate is movably arranged on the first supporting piece, the locking strip comprises a first end and a second end which are oppositely arranged, the first end of the locking strip is in transmission connection with the push plate, and the second end of the locking strip is detachably connected with the second supporting piece. According to the support device, the overall structural strength and the supporting strength of the support can be improved, the second supporting piece is always subjected to the locking force in the locking state and is kept in the stable state, the second supporting piece is not prone to inclining relative to the first supporting piece, the adjusting process is smooth and not blocked, and therefore the user experience is optimized.

To provide a microscope equipped with an exchange device capable of reducing the number of times of a calibration process.SOLUTION: An imaging system (100) includes an exchange device (102) having an exchange holder (108) for accommodating an optical element (106) and thereby arranging it in an optical beam path (104) of the imaging system, and an access element (112) having an open state and a closed state and allowing access to the optical element accommodated in the exchange holder in the open state. The exchange device includes a bistable element (114) having a first stable state and a second stable state, the bistable element transitioning from the first stable state to the second stable state upon opening of the access element and remaining in the second stable state upon closing of the access element. The control unit determines whether it is in the first stable state or in the second stable state and, in the second stable state, determines that the access element is opened and access to the optical element accommodated in the exchange holder is enabled.SELECTED DRAWING: Figure 1

The application provides a device stability analysis method and system, a device and a storage medium, and comprises the following steps: acquiring an action time difference of the same action of different types of products of the same device; calculating a statistical value of the action time difference, wherein the statistical value comprises one or more of an average, a mode, a median and a standard deviation; deriving an action stability index according to the statistical value; and comparing the action stability index with a preset stability index to determine the stability of the device. By comparing the action stability index value with the preset stability index value, it is determined that the device is in a stable state, a relatively stable state or an unstable state, and corresponding maintenance work is performed according to the obtained device stability state result.

A stability detection method and system for grid-connected and grid-connected converters based on impedance modeling is proposed. This method determines the impedance matrix of the voltage source inverter based on a small-signal model of the voltage source inverter, and establishes a first impedance ratio, a second impedance ratio, and a third impedance ratio with the equivalent impedance matrix of the power grid. If the first impedance ratio does not satisfy the Nyquist stability criterion, the converter is determined to be in a negatively damped state; if the first impedance ratio satisfies the Nyquist stability criterion, the converter is determined to be in a positively damped or underdamped state. The product of the second and third impedance ratios is used as the oscillation damping coefficient. If the oscillation damping coefficient is less than zero, the converter is determined to be in a negatively damped stable state; if the oscillation damping coefficient is greater than or equal to zero and less than the critical damping coefficient, the converter is determined to be in an underdamped stable state; if the oscillation damping coefficient is greater than or equal to the critical damping coefficient, the converter is determined to be in a positively damped stable state. This method accurately describes the dynamic characteristics of the converter under nonlinear and large disturbance conditions.

The utility model provides a kind of embedded module support device, it is related to embedded module support device technical field, comprising: assembly mechanism, the assembly mechanism includes placing plate, the top of placing plate is equipped with clamping plate, the number of clamping plate is two, the outer surface of clamping plate is fixedly connected with rubber pad one, the inside of placing plate is sleeved with threaded rod one, the inside of placing plate is sleeved with guide block, the guide block is connected with placing plate slidingly, the guide block is fixedly connected with clamping plate.The utility model, by setting assembly mechanism, so that embedded module can be fixed when assembling, and then main part can keep stable state when installing, so that other components and its installation will not appear the situation that cannot be effectively docked, and the component that part needs to be pressed by force can also be conveniently installed, and processing personnel need not to fix installation component and main part simultaneously.

In one mode of a vehicle control device according to the present invention, when a vehicle transitions from a transitional state to a stable state, a target steering angle and / or a target acceleration / deceleration are controlled such that a target body slip angle exhibits a predetermined temporary rate of change in the transitional state. Furthermore, in one mode of a vehicle control method according to the present invention, a target steering angle and a target acceleration / deceleration are kept constant in a section after the start of cornering until smooth cornering is achieved. In this way, the road feel and the stability of a vehicle can be improved in a transitional phase during driving.

The utility model relates to computer support technical field especially relates to a kind of anti-toppling computer support, including bottom plate, two-way threaded rod, cross support, mounting plate, locating plate etc.;The opposite two sides of bottom plate are rotated two-way threaded rod, and cross support is threadedly connected on two-way threaded rod, and the end, away from two-way threaded rod, of cross support is fixedly connected with mounting plate, and mounting plate is fixedly connected with locating plate on it, and mounting plate is rotatably connected with placing plate at the place close to locating plate, and placing plate is hollow plate with multiple through holes, and recess is provided in the side of placing plate.The utility model cooperates with cross support, locating plate and supporting frame and other components by two-way threaded rod, can easily adjust placing plate, and through the stable structure of device itself, can keep stable state while adjusting placing plate, effectively improve the stability of device.

The invention relates to equipment (1) for a motor vehicle passenger compartment, comprising a first part (2) forming a cavity (3), the equipment (1) comprising a second part (11) designed to form a shutter, the second part (11) having a first stable state, in which the second part (11) closes the cavity (3), and a second stable state in which the cavity (3) is at least partially open towards the exterior of the cavity (3), said second part (11) being made as one piece from a sheet of material that is folded and cut to form a diaphragm (12) comprising a plurality of blades (13) that can be moved by folding in order to switch the second part (11) between the first and second states.

An implant can be configured to transition between a first stable state and a second stable state. The implant can include a first surface and a second surface coupled to the first surface. The first surface can include a first structure configured to form a stable planar shape during the first stable state of the implant and to form a stable three-dimensional (“3D”) shape during the second stable state of the implant. The second surface can include a second structure configured to form a stable planar shape during the first stable state of the implant and to form a stable 3D shape during the second stable state of the implant.

This invention relates to a wire rod guiding device, characterized by comprising a base, a guiding rod, a positioning plate, and a threaded U-shaped retaining ring. During operation, the entire coil of wire rod is passed through the guiding rod and the positioning plate and placed on the base. After the entire guiding device reaches a stable state, the guiding rod is tilted towards the positioning plate, maintaining a certain angle between the guiding rod and the base. During the separation process, because the guiding rod extends obliquely upwards by a certain length, each coil of the wire rod is placed on the guiding rod. As the number of coils decreases, the guiding rod eventually falls into the notch on the positioning plate, maintaining a certain distance between the top of the guiding rod and the ground. This ensures that each coil of wire rod is placed on the guiding rod and separated in an orderly manner, achieving the effect of preventing coils from becoming disordered and the entire coil from rolling haphazardly.

The utility model provides a kind of self-adapting welding fixture of special-shaped pipe fitting, it is related to welding fixture technical field, to solve the special-shaped pipe fitting usually presents as irregular curve pipe, in actual clamping process, it is prone to appear oblique clamping phenomenon, lead to the clamping of pipe fitting is not sufficient, cause pipe fitting to be difficult to maintain stable state in welding process Problem, including: fixed chassis;The top of fixed chassis and displacement block is respectively fixed with docking bottom block;The top of two groups docking bottom block is respectively rotatably connected with torsion block. Through the sliding adjustment of displacement block along fixed chassis, different length special-shaped pipe fitting can be accurately adapted, the rotatable connection design of torsion block and docking bottom block allows the clamping chassis to realize 360 ° rotation, can perfectly fit the various bending angles of special-shaped pipe fitting, this multidimensional adjusting capacity makes the fixture be able to adapt to diversified special-shaped pipe fitting, significantly improves the versatility and applicability of fixture.

The application provides a vehicle stability control method, a vehicle stability control device, a computer program product, a computer readable storage medium and a computer device, and the vehicle stability control method comprises the following steps: acquiring a vehicle state parameter; in response to the vehicle state parameter satisfying a first preset condition, determining that the vehicle is in a first rollover working condition and executing a first anti-rollover control strategy to make the vehicle return to a stable state, wherein in the first rollover working condition, all lateral wheels are off-the-ground wheels, and in the stable state, all wheels are on-the-ground wheels; the execution of the first anti-rollover control strategy comprises the following steps: controlling the vehicle to steer at a theoretical steering angle; after steering, the vehicle state parameter is re-acquired; in response to the re-acquired vehicle state parameter satisfying a second preset condition, an additional theoretical torque is applied to the on-the-ground wheel, which is used to accelerate the rotation of the on-the-ground wheel, so that the vehicle returns to the stable state.

The invention provides a steady-state simulation method and system for rapidly determining the height difference of the liquid levels of two oil tanks and a medium, and belongs to the technical field of commercial vehicle oil supply. The method comprises the steps that the volume ratio is calculated, the stable state condition is set as that the liquid levels of the two oil tanks synchronously descend with the fixed liquid level height difference, and the net oil outlet flow ratio is equal to the volume ratio; converting the liquid level height difference corresponding to the stable state into a pressure difference of the two oil tanks, and setting the pressure difference as a simulation boundary condition; the method comprises the following steps: calculating the net outlet oil flow ratio of two oil tanks in an initial full oil state and the net outlet oil flow ratio of two oil tanks in an empty oil extreme state of a small oil tank through simulation, judging that a stable state exists when the volume ratio is between the two net outlet oil flow ratios, and searching a target pressure value through an iterative algorithm by taking pressure values corresponding to the initial full oil state and the extreme state as intervals; the net oil outlet flow ratio of the two oil tanks obtained in simulation calculation is equal to the volume ratio of the two oil tanks; and obtaining a stable liquid level height difference according to the found target pressure value. The method can quickly determine the liquid level height difference of the double oil tanks.

The application discloses a kind of centrifugal pump dynamic performance optimization method under given flow mutation, first deduce the maximum slope when motor torque rises and falls;Second, the turning point of torque instruction mutation is deduced;Finally, the corresponding torque instruction is sent out: when flow mutation time to turning point, this section of time gives forward vector, so that torque rises according to maximum slope, after reaching turning point, give retreat vector, so that torque falls at maximum slope, until torque returns to initial value, speed tracks on mutation after given speed, flow reaches given flow, system reaches stable state.The application controls torque linearly in dynamic time, and the control rate is the hardware limit value.A linear differential equation is constructed with the torque integral of dynamic imbalance and the given speed increment being equal as a constraint to solve the torque turning point, which makes up for the speed overshoot of traditional speed PI loop, and realizes the optimal torque control curve and optimal flow response curve under dynamic linear control.