15 results about "Control banding" patented technology

The utility model relates to the technical field of two-plate machines, and discloses a two-plate machine band-type brake synchronous rotating shaft device which comprises a driving motor, a fixed plate and a movable plate, a second fixed block fixed plate is arranged on the side portion of the second fixed block movable plate, and accurate control over a band-type brake can be achieved through the driving motor, a rotating rod and a control motor in the device. The synchronous movement between the two plates of the mold is ensured, so that the precision and the quality of a formed product are improved, the possibility of part failure caused by abrasion or aging can be reduced through the cooperation of a movable groove, a driving lead screw and a limiting rod, the service life of the device is prolonged, and two sets of control band-type brakes are arranged on the movable plate, so that the production efficiency is improved. And synchronous movement is realized through a complex transmission mechanism, so that the stability of the device is enhanced, unstable factors in a mold movement process are reduced, the problem that synchronous operation is out of control is solved, and the production efficiency of the injection molding machine is improved.

The invention discloses a drilling track real-time monitoring and intelligent deviation correction control method, device and equipment, and aims to construct a multi-sensor fusion drill attitude measurement technology to realize high-precision track deviation detection and error compensation; performing potential energy accumulation on the negative deviation component to generate a deviation energy pool by adopting a positive and negative deviation decomposition technology of a track deviation vector; establishing a chaos control band framework, analyzing and identifying a stable boundary and an unstable boundary through energy fluctuation characteristics, and extracting an optimal response interval to guide deviation correction control; determining an active deviation rectification vector, and controlling a hydraulic cylinder to generate deflection torque through a composite deviation rectification instruction; an oscillation feature extraction technology is introduced, a stability index is generated based on system oscillation parameters and position mapping of a chaos control band, a chaos edge control field is constructed, and precise regulation and control of complex nonlinear drilling dynamics are achieved; the energy conversion efficiency is obtained and the chaos edge control field is combined to generate a real-time deviation correction control quantity, so that a closed-loop intelligent deviation correction control loop is formed.

Provided is a sealing assembly, a well system, and a method. The sealing assembly, in one aspect, includes a mandrel and a sealing element positioned about the mandrel, the sealing element having a radial inner and outer surface. The sealing assembly, according to this aspect, further includes a deployable control band positioned radially outside the radial inside surface, a first collar sleeve coupled proximate a first end of the sealing element, and a second collar sleeve coupled proximate a second end of the sealing element, wherein the first and second collar sleeves are configured to axially translate relative to one another along to move the sealing element between a radially retracted state a radially expanded state, and further wherein the deployable control band is configured to deploy from an undeployed state to a deployed state as the sealing element moves from the radially retracted state to the radially expanded state.

Provided is a sealing assembly, a well system, and a method. The sealing assembly, in one aspect, includes a mandrel and a sealing element positioned about the mandrel, the sealing element having a radial inner and outer surface. The sealing assembly, according to this aspect, further includes a deployable control band positioned radially outside the radial inside surface, a first collar sleeve coupled proximate a first end of the sealing element, and a second collar sleeve coupled proximate a second end of the sealing element, wherein the first and second collar sleeves are configured to axially translate relative to one another along to move the sealing element between a radially retracted state a radially expanded state, and further wherein the deployable control band is configured to deploy from an undeployed state to a deployed state as the sealing element moves from the radially retracted state to the radially expanded state.

The invention provides an unmanned aerial vehicle launch control mechanism detection device. The man-machine interaction interface is installed on the surface of the shell and used for displaying the state parameters, obtained by the control panel, of the launch control mechanism, receiving a control instruction and transmitting the received control instruction to the control panel, and the control panel sends control information to the launch control mechanism. A battery in the shell provides standby power for the control panel and provides band-type brake switch power. The communication connector is used for electrically connecting a driver of a motor in the launch control mechanism with the control panel so as to provide power for the control panel and obtain state parameters of the launch control mechanism, and the band-type brake control connector is used for electrically connecting the motor of the launch control mechanism with the control panel so that the control panel can output band-type brake switching power to control band-type brake and band-type brake releasing of the motor. According to the invention, the battery can provide standby power for the detection device; the input operation of the human-computer interaction interface is simple and convenient; and the braking releasing and braking operation of the motor can be controlled through the battery.

A sealing assembly, a well system, and a method are disclosed. The sealing assembly, in one aspect, includes a mandrel and a sealing element positioned about the mandrel, the sealing element having a radial inner and outer surface. The sealing assembly, according to this aspect, further includes a deployable control band positioned radially outside the radial inside surface, a first collar sleeve coupled proximate a first end of the sealing element, and a second collar sleeve coupled proximate a second end of the sealing element, wherein the first and second collar sleeves are configured to axially translate relative to one another along to move the sealing element between a radially retracted state a radially expanded state, and further wherein the deployable control band is configured to deploy from an undeployed state to a deployed state as the sealing element moves from the radially retracted state to the radially expanded state.

The invention provides a high-speed railway track geometric short wave band dynamic irregularity control method and device. The method comprises the following steps: determining a track dynamic short wave irregularity control wave band; obtaining the correlation of the dynamic irregularity data of the tracks in different wave bands; determining a dynamic irregularity initial limit value of the track dynamic short wave irregularity control wave band; performing statistical analysis on the dynamic irregularity amplitude of the track dynamic short-wave irregularity control wave band to obtain a peak value and a cumulative distribution value of the dynamic irregularity amplitude of the track dynamic short-wave irregularity control wave band; determining a dynamic irregularity daily keeping limit value of the track dynamic short wave irregularity control wave band; determining a dynamic irregularity speed limit limit value, a dynamic irregularity planned maintenance limit value and a dynamic irregularity temporary repair limit value of the track dynamic short wave irregularity control wave band according to a vehicle track coupling power simulation result and the dynamic irregularity initial limit value of the track dynamic short wave irregularity control wave band; and the geometric short-wave band irregularity management method and standard of the high-speed railway track are effectively established.

A method and apparatus for controlling compressors in a cascade vapor compression system. The process may include controlling the operation of a first compressor based on a constant band control, and controlling the operation of a second compressor based on a proportional band control. Controlling the first compressor based on the constant band control may include operating the compressor at a constant setting if first measurements are within a range associated with a first setpoint. It may also include proportionally adjusting the operation of the first compressor if the first measurements are outside the range. Further, controlling the second compressor based on the proportional band control may include operating the compressor based on one of a plurality of proportional bands, each proportional band having a different proportional factor. Controlling the second compressor operation may further include switching between these proportional bands based on a second measured parameter.

The invention provides a pulse-controlled band sawing machine which comprises a base, a cross beam is arranged on the base, a band saw wheel and a band saw motor are arranged on the cross beam, a band saw blade is installed on the band saw wheel, a guide arm is arranged on the cross beam, a discharging table is arranged below the cross beam, and the pulse-controlled band sawing machine further comprises a pulse control device. The pulse control device is connected with the guide arm; the pulse control device comprises a fixing frame connected with the guide arm and a roller in contact connection with the band saw blade, the roller is connected with a vibration rod, the outer side of the vibration rod is sleeved with a first spring, the top end of the vibration rod is provided with a vibration rod connecting end, the vibration rod connecting end is connected with a holder, and the holder is connected with a second spring. The holder is fixed to the upper end face of the fixing frame, the holder is further connected with an iron core, a coil is arranged on the iron core, and a threaded sleeve is arranged on the upper end face of the iron core. The band saw blade chip breaking device has the advantages that vibration chip breaking of a band saw blade can be achieved, the vibration frequency is adjustable, the structure is simple, and operation is easy.

The invention relates to the technical field of sampling control, and discloses a prognostic selector automatic sampling control system, which comprises a system module assembly, the system module assembly comprises a manual adjustment module, a data automatic acquisition module, a program programming module and a function detection module, the manual adjustment module comprises a segmentation module and a frequency adjustment module, and the segmentation module comprises a data automatic acquisition module, a program programming module and a function detection module. The segmentation module divides a full wave band into four wave bands, the frequency adjustment module changes the frequency control wave band in a wave band control bar, and the automatic data acquisition module automatically generates an ABCD. DAT file from 1.999999 MHz to 30.00001 MHz according to the minimum step diameter of 2.048 KHz. The whole collection process is automatic, the working efficiency is greatly improved, the personnel cost is reduced, meanwhile, the accuracy of automatic collection and control systems is improved compared with manual collection, sampling points which do not need to be stored can be automatically abandoned through calculation, and repeated work is avoided.

A communication control apparatus configured to control bands for flows monitors the amount of communication of each of the flows input to the communication line in a predetermined monitoring period. When a sum of the amounts of communication of the flows acquired by the monitoring exceeds a predetermined threshold, the communication control apparatus restricts the communication bands for the top N flows in the descending order of the amount of communication input to the communication line, according to the amounts of communication of the flows. In contrast, the communication control apparatus does not restrict the communication bands for flows lower than the top N flows.

Device (100) for controlling the autonomous driving of a vehicle, the device (100) comprising: a processor (130) configured to: Setting a control band for controlling acceleration and deceleration of the vehicle based on a requested acceleration and deceleration and an acceleration / deceleration response level that determines a response of the acceleration and deceleration of the vehicle to follow the requested acceleration and deceleration, and Controlling the acceleration and deceleration of the vehicle based on the set control band and the requested acceleration and deceleration; Setting a bandwidth of the control band to be equal to or greater than a first width when the acceleration / deceleration response stage is a first stage; and Setting the bandwidth of the control band to a second width that is narrower than the first width if the acceleration / deceleration response stage is a second stage in which the response is faster than in the first stage; and a memory (120) configured to store at least the acceleration / deceleration response level received from a user or calculated by the processor (130), the acceleration and deceleration, the requested acceleration and deceleration, and / or the control band.

The invention discloses a control method and system for an L-band amplitude limiter, and relates to the technical field of control methods, a plurality of amplitude limiting characteristics are determined based on the identification of multi-modal data, and the amplitude limiting mode of the L-band amplitude limiter is determined according to the plurality of amplitude limiting characteristics and the model and use scene of the L-band amplitude limiter. And the accuracy of the amplitude limiting mode of the L-band amplitude limiter is improved. Therefore, the amplitude limiting range of the L-band amplitude limiter is determined based on the current working data of each electronic component and the current working data of the L-band amplitude limiter, and a main amplitude limiting path and a secondary amplitude limiting path are determined according to the amplitude limiting range, the amplitude limiting mode and the corresponding working path of the L-band amplitude limiter; the working efficiency of the L-band amplitude limiter is determined based on the current working data of the L-band amplitude limiter, and the amplitude limiting control level of the L-band amplitude limiter is determined according to the working efficiency of the L-band amplitude limiter, the main amplitude limiting path and the secondary amplitude limiting path, so that the accuracy of the amplitude limiting control level of the L-band amplitude limiter is improved.

The application discloses a drilling trajectory real-time monitoring and intelligent deviation correction control method, device and equipment, constructs a multi-sensor fusion drill bit posture measurement technology, realizes high-precision trajectory deviation detection and error compensation; a positive and negative deviation decomposition technology of a trajectory deviation vector is adopted, a negative deviation component is accumulated to generate a deviation energy pool; a chaotic control band framework is established, stable boundaries and unstable boundaries are identified through energy fluctuation characteristic analysis, an optimal response interval is extracted to guide deviation correction control; an active deviation correction vector is determined, a deflection torque is generated by a composite deviation correction instruction control hydraulic cylinder; an oscillation characteristic extraction technology is introduced, a stability index is generated based on system oscillation parameters and position mapping of the chaotic control band, a chaotic edge control field is constructed, and accurate regulation and control of complex nonlinear drilling dynamics is realized; through acquisition of energy conversion efficiency and combination of the chaotic edge control field, a real-time deviation correction control quantity is generated, and a closed-loop intelligent deviation correction control loop is formed.

A skidding winch special for a tractor comprises a bottom plate, a gearbox, a connecting rod, a linkage rod, a clutch oil cylinder, a winch part, an auxiliary part and a power transmission part. The clutch oil cylinder is arranged, the outer teeth of the sliding sleeve are meshed with or separated from the inner gear of the winch winding drum through shifting of the shifting fork, the sliding sleeve is connected with or separated from the winch winding drum, and therefore the winch winding drum rotates or stops, and wood collecting operation is completed. The control band-type brake oil cylinder is arranged, the locomotive is locked by controlling the band-type brake oil cylinder, and when the locomotive is started and dragged to a preset place and wood is unloaded, a band-type brake manual rod is manually operated to slowly release a brake band, the wood gradually descends to the ground, and the wood is prevented from falling suddenly; the device has the characteristics of compact structure, simplicity in operation, high efficiency, labor saving, wide application range and the like.