6026 results about "Linear drive" patented technology

Actuator (1) for providing a torque with a linear drive (2) and a gearbox (3) for converting a linear motion into a rotary motion, wherein the gearbox (3) comprises a lever (4) which rotates a shaft (5) to be subjected to the torque, wherein the gearbox (3) further comprises a coupling element (6), the coupling element (6) being connected to the linear drive (2) via a first connection point (7) and to the lever (4) via a second connection point (8), so that energy transfer between the linear drive (2) and the lever (4) takes place exclusively via the coupling element (6), and the coupling element (6) being rotatably mounted in both connection points (7, 8).

The invention belongs to the technical field of viaduct renewal, and discloses water jet forcible entry equipment and a forcible entry method.The equipment comprises a main body structure, an auxiliary supporting structure, a spray head structure and a control structure, the main body structure is movably arranged on the road surface, and the auxiliary supporting structure is arranged on the side, away from an anti-collision wall, of the main body structure; the supporting rods are driven to rotate through stretching and retracting of the linear driving mechanism, so that the auxiliary supporting wheels abut against the ground, anti-toppling supporting force is provided for the main body structure, the situation that the equipment topples due to the counter-acting force of water flow is avoided, the stability of the whole equipment in the moving process is ensured, and the operation danger is reduced. The spray head structure comprises a mounting base and a spray head, the mounting base is movably arranged at the end of the main body structure, and the spray head is rotatably arranged on the mounting base so as to achieve multi-angle forcible entry of the anti-collision wall. The control structure is arranged on the main body structure and can control movement of the main body structure, movement of the mounting base and rotation, start and stop of the spray head, and intelligent operation is achieved.

A substrate transfer apparatus for transferring a substrate is disclosed. The apparatus comprises: a transfer unit including a substrate holder configured to hold a substrate, and a base having therein a magnet and configured to move the substrate holder; a planar motor including a main body, a plurality of electromagnetic coils disposed in the main body, and a linear driver configured to supply a current to the electromagnetic coils, and magnetically levitate and linearly drive the base; a substrate detection sensor configured to detect the substrate when the substrate held by the substrate holder passes by; and a transfer controller configured to calculate an actual position of the substrate held by the substrate holder based on detection data of the substrate detection sensor, calculate correction values for a logical position that has been set, and correct a transfer position of the substrate based on the correction values.

This invention relates to the field of conductor inspection technology, specifically disclosing a multi-angle detection robot and method for detecting multi-split tension clamps. The robot includes a cable routing mechanism, a lifting and adjusting mechanism, a spacing adjusting mechanism, and a detection mechanism. During detection, the x-axis drive device of the detection mechanism moves the mounting plate to the side of the frame. A first rotation module drives a right-angle frame to rotate around the z-axis to unfold the swing arm. A second rotation module deflects the swing arm to align the X-ray source and imaging plate with the target clamp. Combined with a third rotation module to fine-tune the imaging plate angle and a linear drive device to adjust the spacing, multi-angle imaging accuracy is ensured. The robot can also reverse direction, enabling the detection of tension clamps at both ends of a multi-split conductor tower in a single setup, improving efficiency. Compared to traditional devices, this application achieves continuous detection of multi-split clamps through multi-degree-of-freedom unfolding and adaptive adjustment, significantly improving detection efficiency. Furthermore, its compact structure adapts to complex high-altitude environments.

The invention discloses a cast pipe inner wall grinding device and system and relates to the technical field of grinding equipment, the cast pipe inner wall grinding system comprises a rack, a rotary supporting device and a cast pipe inner wall grinding device, and the cast pipe inner wall grinding device comprises a grinding feeding mechanism, an anti-swing mechanism and a grinding mechanism; the grinding feeding mechanism comprises a first linear driving device, a first rotating power source, an outer fixing sleeve and an inner rotating shaft, the anti-swing mechanism comprises an outer rotating sleeve, a positioning wheel assembly and a distance adjusting mechanism, and the grinding mechanism comprises a second linear driving device and a grinding wheel body. The outer fixing sleeve is radially supported through the positioning wheel assembly, radial swing of the grinding wheel shaft is restrained, and the grinding stability can be improved; the distance adjusting mechanism can dynamically adjust the distance between the positioning wheel assemblies to adapt to cast pipes with different calibers; and the second linear driving device drives the grinding wheel to move in the radial direction, constant-pressure grinding is achieved in cooperation with the pressure detection device, the grinding rhythm is dynamically adjusted, the grinding effect can be improved, and the grinding consistency is improved.

The invention discloses a vehicle GNSS positioning method based on multi-motion model interaction, and the method comprises the steps: building a PCV model and a PCSAV model of a carrier according to the linear driving posture and the turning driving posture of the carrier, so as to obtain a state estimation vector and a state transition matrix of the carrier at the last moment based on the PCV model and the PCSAV model; an interactive multi-model is introduced to establish a heuristic position-speed filtering HPV-IMM model based on the interactive multi-model, information filtering interaction between a PCV model and a PCSAV model is realized, and a state estimation vector and an error covariance matrix of a carrier at the current moment are obtained, so that the position and the speed of the carrier at the current moment are obtained. The problem that a traditional single kinematic model is low in precision in multi-motion-attitude vehicle positioning is solved, and the method is suitable for multi-attitude vehicle motion dynamic navigation in an urban environment.

The invention discloses a new energy automobile battery tray positioning and drilling device, and relates to the technical field of automobile accessory machining equipment.The new energy automobile battery tray positioning and drilling device comprises a bottom plate, a loading plate is fixedly mounted on the surface of the bottom plate, a linear driving mechanism fixedly penetrates through the top of the loading plate, and a drilling mechanism is arranged at the moving end of the linear driving mechanism; the device further comprises a positioning device. Wherein the positioning device comprises a carrying plate, a telescopic plate, a holding rod, a rectangular plate, a pushing plate, a first spring, a limiting plate, a rubber plate, a first elastic piece and a cylindrical rod, the carrying plate is fixedly installed at the top of the bottom plate, the telescopic plate slidably penetrates through the inner wall and the outer wall of the carrying plate, and the holding rod is fixedly installed on the surface of the telescopic plate; the rectangular plate is fixedly installed on the face, close to the holding rod, of the telescopic plate, positioning is carried out when the workpiece is pushed to move towards the machining area, the time needed for fixing the workpiece is effectively saved, and therefore the overall machining efficiency is improved.

The invention discloses a rapid remodeling probe assembly for lithium battery charge and discharge detection, which integrates a probe mounting plate, a pressing assembly, a probe mechanism and an induction driving assembly, and is characterized in that a temperature sensor in the probe mechanism is electrically connected with a linear driver, a first electric push rod and a second electric push rod; the device is allowed to quickly respond when detecting abnormal temperature, emergency intervention is performed through the abnormal protection assembly and the cooling assembly, overheating of the battery is effectively prevented, the cooling efficiency and safety are greatly improved through the design of the cooling assembly, meanwhile, the arc extinction function designed in the abnormal protection assembly is mainly achieved through a hollow structure of a sealed injection push rod, and the service life of the device is prolonged. Nitrogen is quickly released through the control valve, and the arc extinguishing hose directly delivers the nitrogen to an arc generation area to quickly extinguish the arc, so that the safety and reliability of the whole equipment are remarkably improved, the continuity and stability of the battery test process are ensured, and the equipment can efficiently and safely adapt to continuously changing test requirements.

The invention relates to the technical field of robots, in particular to a linear driving device and a robot, the linear driving device comprises a device body, a reduction gearbox and a multi-stage linear transmission section are arranged on the device body, and a transmission mechanism and a synchronous belt mechanism are arranged in the device body; the reduction gearbox can drive the transmission mechanism to rotate; the transmission mechanism can drive the synchronous belt mechanism to advance; the synchronous belt mechanisms comprise the first synchronous belt mechanism and the second synchronous belt mechanism, and the first synchronous belt mechanism and the second synchronous belt mechanism can stretch into the multi-stage linear transmission section, are connected with the multi-stage linear transmission section and can drive the multi-stage linear transmission section to stretch out and draw back. A supporting structure is arranged in the multi-stage linear transmission section, so that sectional type multi-stage arrangement is adopted in a linear part, and stretching and retracting can be realized during working so as to be stored in a very small space; by arranging the first synchronous belt mechanism and the second synchronous belt mechanism which are oppositely arranged, transmission failure caused by unilateral instability can be effectively avoided.

The invention discloses a radio frequency electromagnetic energy explosion testing device and method. The device comprises a closed gas cavity, a testing cable, a linear driving mechanism and a processing circuit. The airtight gas cavity is filled with explosive gas. The test cable comprises an inner conductor and an outer conductor, the outer conductor is coaxially arranged around the inner conductor, the inner conductor comprises a first inner conductor and a second inner conductor which are oppositely arranged in the axial direction, the end, away from the second inner conductor, of the first inner conductor is configured to receive radio frequency electromagnetic energy, and the power of the radio frequency electromagnetic energy tends to be increased. And the linear driving mechanism is connected with one end, far away from the first inner conductor, of the second inner conductor, and is configured to drive the second inner conductor to periodically reciprocate along the axial direction, so that the second inner conductor and the first inner conductor are periodically disconnected or connected. And the processing circuit is configured to take the power of the radio frequency electromagnetic energy corresponding to gas explosion as a power safety threshold. According to the invention, data support can be provided for safe operation of the coaxial cable in practical application.

Apparatuses and methods for deploying and / or controlling movement of flexible tubular members such as endoscopes, using a sliding link assembly to support the flexible tubular member. For example, these apparatuses may include a base, a link assembly connected to the base and comprising: a plurality of links that are vertically adjacent to each other, in which adjacent pairs of links are each slidably coupled together by opposing flexible bands that extend around a cylindrical surface of a shuttle. A linear drive may drive extension and retraction of the links by engaging with just one shuttle of the link assembly.

The invention relates to the technical field of robots, in particular to a dexterous hand finger, a dexterous hand and a robot, and aims to solve the problem that the size of the dexterous hand finger with three active degrees of freedom is large. According to the dexterous hand finger, the first knuckle can have the functions of laterally swinging and rotating towards the palm side or the hand back side through the first linear driving assembly and the second linear driving assembly which are connected in parallel, and the knuckle assembly has the function of rotating towards the palm side or the hand back side through the third linear driving assembly. Due to the fact that the third straight line can be parallel to the palm base plate, on the plane perpendicular to the second axis, the distance between the orthographic projection of the third straight line and the orthographic projection of the first straight line in the extending direction of the first axis is gradually reduced in the direction from the third straight line to the first knuckle. The circumferential size of the end, away from the knuckle assembly, of the first knuckle is small, and the space occupied by the three linear driving assemblies in the palm is close to the shape of the palm of a person.

A lifting device for lowering a substrate onto and for lifting it off from a substrate carrier in a process chamber. The lifting device had a lifting rod and a linear drive, for moving the lifting rod along a linear lifting movement path, and a plurality of adjustment screws for adjusting the position of the lifting movement path. The lifting device has a drive housing for the linear drive, and a drive housing flange and a passage opening surrounded by this flange. The lifting rod is guided through the passage opening, and the adjustment screws are each screwed through an adjustment screw receiving opening in the drive housing flange. The adjustment screw receiving openings are spaced apart in the drive housing flange, and a protrusion of the respective adjustment screw over the drive housing flange is adjustable by screwing that adjustment screw through the respective receiving opening at differing depths.

The utility model relates to a tensioning mechanism of a loop line cutting machine, which comprises a spring, a spring seat, a guide rod, a sliding block and a linear driving piece, one end of the guide rod is connected with the spring seat, the guide rod is sleeved with the spring, the other end of the guide rod penetrates through a limiting plate, and the limiting plate is assembled on the guide rod in a sliding mode; one end of the spring abuts against the spring seat, and the other end of the spring abuts against the limiting plate; the linear driving piece is arranged on the sliding block and can drive the sliding block to move in one direction, the limiting plate is connected with the sliding block, and the sliding block is provided with an installation part for installing a wire wheel. By the adoption of the tensioning mechanism, on the premise that the normal tensioning effect is achieved, the diamond loop line can be conveniently replaced, and then the production efficiency is improved.

The invention discloses tendon rope transmission system performance integrated testing equipment and a transmission system testing method, and belongs to the technical field of robot part testing. The equipment comprises a rack and a performance testing device, wherein the performance testing device comprises a mounting plate provided with an arc-shaped guide rail chute, a core shaft used for simulating a bending radius, a position adjusting mechanism used for accurately positioning the core shaft and clamping a tendon rope jacket, at least one linear driving mechanism capable of adjusting an angle along the chute, and a counterweight mechanism. A clamp of the linear driving mechanism clamps one end of an inner core of the tendon rope, the counterweight mechanism is connected with the other end of the inner core, the middle part of the tendon rope bypasses the mandrel, and the reciprocating motion applied by the linear driving mechanism is matched with the constant tension applied by the counterweight mechanism so as to simulate the working condition of the tendon rope under a specific bending radius and angle.

The utility model relates to an automatic wrapper cutting device which comprises a conveying mechanism, a material receiving mechanism, a clamping mechanism and a rolling mechanism, the material receiving mechanism comprises a linear driving unit, a cutting unit and a feeding unit, the conveying mechanism is used for conveying wrappers to the feeding unit, and the clamping mechanism is used for clamping the wrappers. The linear driving unit drives the feeding unit to operate so as to convey the wrappers to the clamping mechanism, after the clamping mechanism clamps the wrappers, the linear driving unit drives the feeding unit to reset so as to flatly lay the wrappers on the cutting unit, and the rolling mechanism is used for rolling the wrappers on the cutting unit. And the wrapper is cut into a plurality of sections by the cutting unit. According to the cutting device, by setting the distance between every two adjacent cutters in the cutting unit, wrappers with the same width can be obtained, and therefore the product quality is improved.

The invention provides a workpiece carrying table and semiconductor detection equipment. The workpiece carrying table comprises a lifting assembly, a jacking assembly, a reversing assembly and a driving mechanism. The lifting assembly comprises a lifting inclined face and a bearing face which are opposite in the height direction of the workpiece carrying table. A jacking inclined plane is arranged at the bottom of the jacking assembly, a supporting column is arranged at the top of the jacking assembly, and the inclined plane where the jacking inclined plane is located intersects with the inclined plane where the lifting inclined plane is located; the reversing assembly is in sliding fit with the lifting assembly and the jacking assembly. The driving mechanism comprises a transmission part and a linear driving part, the transmission part abuts against the lifting inclined face and the jacking inclined face, the linear driving part is connected with the transmission part, and the driving direction of the linear driving part intersects with the guiding direction of the reversing assembly. The lifting assembly and the jacking assembly share one driving mechanism, the structure is simple, transmission is smooth, and accurate cooperative operation of the lifting assembly and the jacking assembly can be achieved.

A surgical instrument comprises a hand-held portion configured to be manipulated by a user and a pivoting portion operatively coupled to the hand-held portion. The pivoting portion is configured to pivot with respect to the hand-held portion according to first and second degrees of freedom. The pivoting portion includes an accessory drive motor, an accessory drive member configured to be driven by the accessory drive motor, a plurality of lead screws, a carriage including a central aperture axially extending through the carriage and configured to interface with and linearly translate along the plurality of lead screws, and a linear drive motor configured to rotate the plurality of lead screws to linearly translate the carriage relative to the hand-held portion with respect to a third degree of freedom. The accessory drive member extends through and is configured to move within the central aperture of the carriage.

The utility model belongs to the technical field of barrel grabbing and conveying, and discloses a barrel grabbing and conveying module. The barrel grabbing and conveying module comprises a rack, a moving assembly and at least one grabbing assembly, the moving assembly comprises a translation module and a lifting module, the translation module is arranged on the rack, and the lifting module is arranged on the translation module; the grabbing assembly comprises a linear driving part and a manipulator, the linear driving part is arranged at the bottom of the lifting module, and the manipulator comprises at least two mechanical claws which are symmetrically distributed; the mechanical claw comprises a V-shaped clamping claw and a connecting rod. During working, the output end of the linear driving part moves upwards or downwards, the V-shaped clamping jaw abuts against or is separated from the barrel body so as to grab or loosen the barrel body, the upstream barrel body is placed on the transfer tray through cooperation of the translation module and the lifting module, the overall structure is simple, manual operation is little, and the working efficiency is high. Through the action of the linear driving piece, the V-shaped clamping jaw and the connecting rod, the barrel body is grabbed or loosened, and the grabbing structure is simple.

The invention discloses a silicon wafer column machining and grinding device for semiconductor production, and relates to the technical field of semiconductor production, the silicon wafer column machining and grinding device comprises a machining plate, a placing plate is fixedly mounted at the top of the machining plate, a linear driving mechanism fixedly penetrates through the top of the machining plate, and a driving motor is fixedly mounted at the top of the moving end of the linear driving mechanism; a loading plate is fixedly mounted at the output end of the driving motor, and a grinding mechanism fixedly penetrates through the end, away from the driving motor, of the loading plate. Wherein the clamping device comprises an electric push rod, a carrying plate, a T-shaped rod, a first spring, a rubber plate, a lifting plate, a first elastic piece, two connecting rods, an arc-shaped strip and a supporting rod, the polishing stability is improved through supporting force applied by the machining plate, then the arc-shaped strip is used for applying pressure to the silicon wafer column, and it is ensured that the silicon wafer column does not deflect in the polishing process, and the polishing effect is not affected.

The invention provides an automatic welding device for a battery terminal, which belongs to the technical field of welding and comprises a pressing mechanism for pressing the terminal on a battery, a clamping and positioning mechanism for adjusting the position of the battery and clamping the battery, and a moving mechanism for enabling a supporting block to synchronously move when the position of the battery is adjusted; the pressing mechanism comprises a mounting block slidably connected to the rack, a supporting block is arranged on the mounting block, a pressing plate is arranged below the supporting block, a guide rod is connected to the pressing plate, the guide rod is slidably connected with the supporting block, a first reset spring is arranged at the position, between the pressing plate and the supporting block, of the guide rod in a sleeving mode, and a first linear driver is mounted on the mounting block; the clamping and positioning mechanism comprises a pair of clamping blocks, a driving assembly is arranged on the mounting block, and the driving assembly is used for driving the clamping blocks to move oppositely; the position of the terminal on the battery can be kept unchanged in the positioning process of the battery, the positioning effect of the terminal is guaranteed, and the welding effect is improved.

A treatment apparatus includes a motorized subsystem in a handpiece housing having a rotating output shaft, an axial cam driven in rotation by the output shaft, and a push rod linearly driven by the axial cam. A cartridge is removably attachable to the handpiece housing and includes a cartridge housing, a needle assembly, a piston in the housing engaging the needle assembly and linearly driven forward by the push rod, and a first biasing member urging the piston rearward.

The invention discloses ultrasonic high-speed welding equipment and a welding method.The equipment comprises a rack, an electric control mechanism, an executing mechanism and a monitoring mechanism, and the executing mechanism comprises a first lifting assembly, a linear driving part, a welding executing assembly and a second lifting assembly; the linear driving piece is used for generating pressure for pressing the welding execution assembly on the to-be-welded piece, and the welding execution assembly is used for providing high-frequency vibration to achieve ultrasonic welding; the monitoring mechanism is used for monitoring the pressure of the linear driving part on the welding execution assembly, the pressure of the second lifting assembly on the bottom die, the real-time position of the welding execution assembly and the real-time position of the bottom die. The electric control mechanism is used for controlling the execution mechanism to operate according to a preset program and monitoring data obtained from the monitoring mechanism. According to the scheme, the welding efficiency can be improved, and pseudo soldering is reduced.

The invention discloses a magnetic lead screw motor linear speed control method based on an improved active-disturbance-rejection controller, and the method comprises the following steps: building a magnetic lead screw motor model, designing an active-disturbance-rejection control law according to the motor model, carrying out the higher-order operation of an extended state observer in a controller, and introducing an acceleration error at a reasonable position of a state equation, thereby achieving the linear speed control of a magnetic lead screw motor. And the improved active disturbance rejection controller is obtained. Compared with the prior art, the improved method provided by the invention has the advantages that the observation capability of the expansion state observer on the disturbance error is improved, so that the anti-interference performance of the control system is improved, and the method has certain universality. Simulation and experiment results show that high-quality operation of the linear driving system of the magnetic lead screw motor can be realized by adopting the improved active-disturbance-rejection control strategy.

The utility model provides a sealing ring detection device which comprises a workbench, the workbench is provided with a track groove and a round hole, and the workbench is provided with a feeding assembly, a limiting assembly, an ejection assembly and a detection assembly. The ejection assembly comprises a linear driving piece e, and a mounting groove is formed in the workbench. The linear driving part a drives the pushing plate to push the sealing ring in the track groove to the position above the round hole, the limiting block limits the sealing ring so that the sealing ring can be located above the round hole, the linear driving part e drives the supporting table and the inner column rod to move upwards, the inner column rod penetrates through the sealing ring, and then the sealing ring is driven to ascend. The sealing cover is driven to descend until the sealing cover covers the outer side of the sealing ring, at the moment, the sealing cover, the sealing ring and the inner column rod form a closed space, the airtight machine device carries out airtight detection on the sealing ring, and compared with manual disassembly and assembly of the sealing ring by workers, the operation is simple, the detection time is short, and the detection efficiency is improved.

The invention discloses an execution sleeve automatic separation type nucleic acid extraction and purification instrument. The instrument comprises a stirring adsorption magnetic bead execution device, a mounting frame, a linear driving device and a kit, a magnetic bead stirring and adsorbing executing device is mounted on one side of the mounting frame, a linear driving device is mounted below the magnetic bead stirring and adsorbing executing device, a kit is detachably mounted at the output end of the linear driving device, and the linear driving device is used for driving the kit to be aligned with the executing end of the magnetic bead stirring and adsorbing executing device. According to the execution sleeve automatic separation type nucleic acid extraction and purification instrument, the problem that the whole nucleic acid extraction instrument is large in size due to the fact that a loading disc needs to be rotated to switch different kits to be aligned with a magnetic rod in the prior art is solved.

The invention belongs to the technical field of bionic dexterous hands, and discloses a multi-degree-of-freedom dexterous hand, which comprises a plurality of sections of fingers, a plurality of connecting rod assemblies, a plurality of connecting rods, a plurality of connecting rods and a plurality of connecting rods, the output ends of the two front-row linear driving parts are universally hinged to the root parts of the multi-section fingers respectively, and the two front-row linear driving parts are arranged side by side in the first direction; the rear-row linear driving parts and the front-row linear driving parts are arranged side by side, the rear-row linear driving parts and the two front-row linear driving parts are spaced in the second direction, the first direction is perpendicular to the second direction, and the output ends of the rear-row linear driving parts are universally hinged to the connecting rod assembly; and the side-sway rotating support is rotationally arranged around the axis in the second direction, and the roots of the multi-section fingers are rotationally connected to the side-sway rotating support around the axis in the first direction. The multi-degree-of-freedom dexterous hand provided by the invention meets the requirement of high control precision, is high in dexterous property, and improves the grabbing stability and rigidity.

The invention relates to the technical field of hardware machining, in particular to a precise positioning jig for hardware machining, which comprises a machining table, a storage tray and an auxiliary control mechanism. The storage disc is rotationally arranged on the machining table, at least three guide rails are arranged on the storage disc, a mounting seat is slidably mounted on each guide rail, a first linear driver and a push rod are arranged on each mounting seat, and the first linear drivers are used for driving the push rods to stretch out and draw back; a clamp used for fixing a workpiece is arranged on the mounting base and comprises a main clamping block and an auxiliary clamping block, the auxiliary clamping block is hinged to the main clamping block, and a rubber layer is arranged on the side, away from the mounting base, of the auxiliary clamping block; and a linear driving assembly is arranged on the storage disc. The multiple sets of deformable clamps are attached to the surface of the workpiece, the position of the workpiece is stabilized in the machining process, the precise positioning function is achieved, and the problems that the workpiece deflects under the vibration effect in the machining process, and the machining precision of the workpiece is affected are solved.

The invention relates to a separating device and method for cleaning and drying multi-size wafers. The device comprises a carrier moving assembly, a cutter moving assembly, a linear driving assembly and a cam connecting rod assembly. The carrier moving assembly comprises a connecting platform and a bearing platform arranged below the connecting platform and used for bearing carriers of different sizes, and a first pushing mechanism is arranged between the connecting platform and the bearing platform. The cutter moving assembly comprises a first separation platform arranged above the connecting platform and a second separation platform arranged above the first separation platform, the first separation platform is provided with a first cutter used for separating large-size wafers, and the second separation platform is provided with a second cutter used for separating small-size wafers; and a second pushing mechanism is arranged between the first separation platform and the second separation platform. The linear driving assembly is connected with the second separation platform. The cam connecting rod assembly is arranged on the linear driving assembly and used for being matched with the linear driving assembly to drive the carrier moving assembly and the cutter moving assembly to reciprocate in the vertical direction.

A hydraulic control system for linear actuation that provides a bypass flow during startup of a lifting command, provides a split flow between a cylinder and a reservoir once a minimum operating speed of a pump has been reached, and provides complete flow to a cylinder after the minimum operating speed of the pump has been reached. This is achieved through control of a flow control valve and a proportional flow control valve by a processor.