53results about How to "High degree of systematization" patented technology

The invention proposes a vehicle semi-active suspension hybrid control method based on a damping multi-mode switching vibration damper, and the method comprises the steps: (1), building a damping nonlinear characteristic mathematical model of a vibration damper according to the structural principle of the damping multi-mode switching vibration damper; (2), carrying out the simulation analysis of the damping nonlinear characteristic mathematical model of the vibration damper, obtaining the speed characteristic curve of the vibration damper, and determining the restoration damping coefficient and compression damping coefficient of the vibration damper in each damping working mode; (3), building a vehicle semi-active suspension hybrid dynamic model comprising the damping multi-mode switching vibration damper based on a hybrid logic dynamic modeling method; (4), combing with the requirements of suspension system control, and completing the design of a vehicle semi-active suspension hybrid model prediction controller. Compared with the prior art, the method can achieve the effective control of a vehicle semi-active suspension comprising the damping multi-mode switching vibration damper, improves the actual control performance of a vehicle semi-active suspension system, is lower in implementation cost of a control strategy, is strong in actual application capability, and is remarkable in advantages.

A software package process of a plate-shaped workpiece hemming system is as follows: 14 steps: 1: the process starts when the above material pick-up and release process ends; 2: if s BP rise to s BP =1; Otherwise, the elastic arm continues to control the left leaning; 3: The feeding air pipe is deflated and the pressure is lost; the unloading air pipe is deflated and the pressure is lost; 4: Manual confirmation, → 1) Main motor starts; 2) Cutter preheats; 6 : if n increases to n=n 1 , that is, the main motor turns to 1 position, go to step 7; otherwise, the main motor continues to run; 7: cutter heating; 8: if n increases to n=n 2 , that is, the main motor turns to the 2nd position, go to step 9; otherwise, the main motor continues to run; 9: The main motor crawls; 10: The cutting head is thrown inward; 11: If n increases to n=n 3 , that is, the main motor turns to the 3rd position, and then go to step 11; otherwise, the main motor continues to crawl; 12: the cutting head swings outward; 13: the elastic arm returns to the position → the elastic arm returns to the standby position; 14: the main motor stops; Finish.

A pick-and-place process of plate-shaped workpiece edge-wrapping system software, which is the following 11 steps: 1: The swing angle signal β is given to the material arm below the process R Assign as the swing angle of the lower material arm to get the material level signal β 1 value starts; the feeding rod extends; 2: if the feeding rod is extended in place, go to step 3; otherwise, go to step 1; 3: the feeding air pipe is pumped and pressurized; 4: the feeding rod shrinks → feeding The suction cup touches the low position; 5: the feeding rod shrinks; the feeding suction cup touches the low position; 6: if R MTB value reduced to R MTB =Minimum value of magnetoresistance R when the feeding rod is retracted in place MTB0 , that is, the feeding rod is retracted to the right position, go to step 7; otherwise, go to step 5; 7: the feeding arm swings outward; 8: if the value of β is reduced to β = β 0 , that is, the feeding arm is in place, go to step 9; otherwise, the feeding arm continues to swing out; 9: the feeding rod is extended; 10: if the feeding rod is extended, go to step 11; otherwise, the feeding The rod continues to extend down; 11: the feeding air pipe is ready to deflate; end.

A feeding rod touch pressure sensor of a plate-shaped workpiece edge wrapping device is composed of an inductance coil, an inner support and its built-in touch switch, an inner eddy current ring, an outer support and its built-in tact switch, and an outer eddy current ring. The inductance coil is a disc ring structure as a whole, which is wrapped around and fastened to the inner ring of the bearing inner ring at the bottom end of the feeding telescopic rod. The upper end of the inner bracket passes through the top wall of the feeding suction cup, and the upper top is tightly bonded to the bottom of the lower opening of the feeding connector along the left side, and the bottom end surface and the outer ring of the inner vortex ring and the inner ring of the outer vortex ring are on the left side Tight bonding, built-in touch pressure switch, the two terminals of the normally open contact of the switch are respectively connected with the two terminals of the inner eddy current ring fracture opening. The upper end of the outer bracket passes through the top wall of the feeding suction cup, and the upper top is tightly bonded to the right part of the bottom of the lower mouth of the feeding connector, and the bottom end surface and the inner ring of the outer vortex ring and the outer ring of the inner vortex ring are on the right side Tight bonding, built-in tact switch, the two terminals of the normally open contact of the switch are respectively connected with the two terminals of the broken opening of the outer eddy current ring.

A main motor control system of a plate-shaped workpiece hemming device, comprising a comparison link and a main motor operation control link C n , Main motor control system amplification link A M , main motor M M and main motor rotation angle detection-feedback link S n constitute. Main motor given rotation angle signal n R Compared with the main motor rotation angle feedback signal n in the comparison link, the main motor rotation angle deviation signal △n is generated; through the main motor operation control link C n Calculation and processing, the main motor rotation angle deviation signal △n is converted into the main motor rotation angle control signal n C ; In the amplification link A of the main motor control system M , the main motor angle control signal n C Control the PWM output voltage, that is, the main motor running drive signal e M Characterize the driving voltage; e M The driving voltage drives the main motor M M , to generate the main motor rotation angle output signal n out ; Through the main motor rotation angle detection-feedback link S n Detection, feedback, main motor rotation angle output signal n out The comparison link is introduced with the main motor rotation angle feedback signal n.

A main rotating mechanism of a plate-shaped workpiece hemming device mainly includes a base, a feeding mechanism, a feeding mechanism, a rotating seat, a counting device, a main motor and an operation panel. The abutment is the main workbench, the chassis body and the working and bearing surface of the overall device of the system. As a part that carries and drives the packaged parts to rotate, the swivel seat is tightly matched with the main shaft, that is, the output shaft of the main motor, through its shaft distribution hole. As a device for sensing, detecting and transmitting the rotation angle of the rotary base, the counter is rooted on the right side of the main motor above the base, below the rotary base, with a distance of 3 mm between its upper end and the bottom of the rotary base. The main motor, as the main power of the system device and the system actuator, is embedded in the middle left of the abutment, and its output shaft is matched with the rotary seat. As the human-computer interaction keyboard operation surface for system work, the operation panel is embedded in the right groove room inside the abutment with a pull-out structure.

The invention discloses an edge-wrapping method for a plate-shaped workpiece. The overall configuration of the plate-shaped workpiece edge wrapping method includes a base, a blanking mechanism, a packaged piece, a blanking vehicle, a loading vehicle, a piece to be packaged, a material loading mechanism, a belt feeding mechanism and a packaged piece. The software structure of plate-shaped workpiece hemming system includes loading part, unloading part, main rotation part, belt feeding part and air extraction part. The feeding part includes two modules of the loading arm and the feeding rod, the unloading part includes the two modules of the unloading arm and the unloading rod, the main rotation part includes the main motor module, and the feeding part includes the swing arm part, the knife part and the heating The pumping part includes a feeding valve module and a feeding valve module. The main rotating part uses the given rotation angle signal of the main motor to finally control and operate the running state of the main motor through the operation control link of the main motor.

A blanking and returning process of a plate-shaped workpiece hemming system software is divided into two stages: the retracting process of the blanking rod and the internal swinging process of the blanking arm. The retraction process of the feeding rod is: 1: the feeding rod shrinks → the feeding suction cup touches the low position; 2: the feeding rod shrinks; the feeding suction cup touches the low position; 3: if R MTB value reduced to R MTB =Minimum value of magnetoresistance R when the feeding rod is retracted to the position MTB0 , that is, the feeding rod is retracted to a certain position, → end; otherwise, go to step 2. The internal swing process of the blanking arm is as follows: 1: The magnetoresistive resistance value of the blanking rod is reduced to R MTB =Minimum value of magnetoresistance R when the feeding rod is retracted to the position MTB0 , → the given arm swing angle signal β R Assign as the swing angle of the lower material arm to get the material level signal β 1 value; - inner swing of the lower arm; 2: If the value of β increases to β = β 1 , that is, the feeding arm swings inwards, → end; otherwise, the feeding arm continues to swing inwards, → the value of β increases.

A kind of software overall process of plate-shaped workpiece hemming system starts with manual inspection, confirmation of work preparation status (such as electricity, water, pressure fluid, workpiece, loading and unloading standby status, etc.) and machine self-inspection of the program. Start; 0: Variable initialization; 1: Run the process of loading and unloading; 2: Run the tape process; 3: Run the return process of loading; 4: Run the swing process of the unloading arm; 5: Count the number of cycles; 6: If the number of cycles does not reach the number of workpieces to be packaged, continue to cycle and go to step 6; otherwise, go to step 12; 7: run the process of loading and unloading and unloading at the same time; 8: run the process of wrapping; 9: Simultaneously run the retraction process of the unloading rod and the return process of loading; 10: Count the number of cycles; 11: If the number of cycles does not reach the number of workpieces to be packaged, continue the cycle and return to step 7; otherwise, end; 12: Run the next step Material pick-up and release process; 13: Run the retraction process of the unloading rod; end.

A hinge structure of a belt feeding mechanism of a plate-shaped workpiece hemming device is composed of a rocker arm, an elastic arm, a connecting arm, an adjusting handle, a movable hinge shaft, a connecting rod, a rocker shaft and a base hinge shaft. The tail end of the rocker arm is equipped with a spring arm and a connecting arm. The head end of the connecting arm is hingedly assembled on the tail end of the rocker arm through the adjusting handle and the rocker structure. The right end of the flexible arm extends from the connecting arm and is hinged with the tail end of the connecting rod through the movable hinge shaft. The lower end of the rocker shaft is provided with a supporting cap structure to support the connecting arm, the lower section is provided with a column to support and lock the rocker arm, and the upper end is sleeved with an external thread to cooperate with the internal thread of the adjusting handle; manually screw the adjusting handle The state of cooperation between the rocker arm hinged by the loosening or locking rocker shaft and the elastic arm can be adjusted, but the loose fit with the connecting arm is maintained. The first end of the connecting rod forms a rotational fit with the base hinge shaft with its bushing hole, and the tail end forms a rotational fit with its bushing hole and the movable hinge shaft. The base hinge shaft and the shaft sleeve hole at the head end of the connecting rod form a rotational fit. The upper end of the movable hinge shaft is provided with a clamping structure and the lower end is equipped with a clamping pin structure.

The utility model relates to a belt pressure sensor of a feeding belt mechanism of a plate-shaped workpiece hemming device, which is composed of an elastic arm, a left piezoelectric sheet, and a right piezoelectric sheet. The head end of the spring arm is assembled on the tail end of the rocker arm through the adjustable elastic shaft structure of the adjustment handle. The left piezoelectric sheet is used as the pressure-convex left convex deformation sensing device of the elastic arm, which is made of variable resistance strain gauge, and is tightly attached to the left side of the elastic arm with special glue for strain gauges. The right piezoelectric sheet is used as the right concave deformation sensing device of the elastic arm, which is made of variable resistance strain gauge, and is tightly attached to the right side of the elastic arm with special glue for the strain gauge. One of the two lead wires of the left piezoelectric sheet is connected to one of the two lead wires of the right piezoelectric sheet, and the other lead wires of the left piezoelectric sheet and the right piezoelectric sheet are respectively connected to two pressure signal lines.

A feeding belt mechanism control system of a plate-shaped workpiece edge-wrapping plate-shaped workpiece edge wrapping device, from the upper and lower comparison links, the main motor to the second normally open contact of the 3-position relay J n3 ‑2. The fourth normally open contact J of the standby position relay of the feeder mechanism W0 ‑4. Rocker arm motor M W , The feeder mechanism swings back to the position of the reed switch Drp W0 , Feed belt mechanism swing back in place relay freewheeling diode D W0 , The belt feed mechanism is left on the pressure control link C sBP , Feeding belt mechanism left by the pressure control system amplification link A W And belt pressure signal detection-amplification link DT BP constitute. Arm close pressure given signal s BPR Close to the elastic arm pressure feedback signal s BP Comparing in the next comparison link, the elastic arm is close to the pressure deviation signal △s; sBP computing processing, A W Zoom in, and finally produce e PW Drive M W , to generate the elastic arm close pressure output signal s PBP ; via DT BP then s BP Introduce the next comparison link.

A blanking rod telescopic control system of a plate-shaped workpiece hemming device is composed of upper and lower comparison links and blanking rod operation control link C dB , The large scale link A on the operation control system of the blanking rod PTB , The lower extension link A of the blanking rod operation control system NTB , Stator winding L of blanking rod telescopic motor TB , The feeding rod is retracted to the magnetic resistance R MTB , The feeding rod is retracted to the position signal optocoupler LC TB And unloading rod touch pressure signal detection link DT SB constitute. The feeding rod is given a retracting displacement signal d BR Retract position signal s with blanking rod TB Compare, generate the deviation signal △d of the upper retraction displacement of the blanking rod TB ; via C dB , Δd TB It becomes the control signal d of the upper retraction displacement of the blanking rod PBC in A PTB middle control PB Drive the blanking rod telescopic motor stator winding L TB , the output signal d of the retraction displacement of the blanking rod is generated PB ; via R MTB detection and LC TB feedback, d PB with s TB Introduce the comparison section above.

The invention relates to a device and method for inverting hydraulic parameters of unsaturated garbage soil, comprising: a reactor, a constant water head infiltration system, a gas pressure stabilization system, and a data acquisition system, and the reactor includes: a cover plate, several screws, and a perforated water-permeable plate , Cylinder body, clay plate, base, several tensiometers, several water content sensors, constant water head infiltration system includes: bucket support, fixed pulley, scale water bucket, infiltration collection cup, water storage tank, pump, gas pressure stabilization system includes : Air compressor and flow meter, data acquisition system includes: electronic balance, data acquisition instrument and data terminal. The device and method can obtain the unsaturated hydraulic characteristic parameters of the water infiltration process of garbage soil only through indoor experiments and numerical simulations, and the accuracy of the calculation results is small. The real flow state of water inside the landfill provides key technical parameters for the evaluation of the water migration state inside the landfill and the formulation of a control plan.