【正文】 s length, the heatseal and the dinking die position. The longitudinal localization is refers to 畢 業(yè) 論 文 （ 設(shè) 計 ） 用 紙 佳木斯大學(xué)教務(wù)處 第 22 頁 the thin film carries on the fixedlength hauling the control, enables the product to have the good uniformity. The longitudinal localization pletes by two feed bag hauling servo electrical machinery, the servo electrical machinery must move according to the S shape curve addition and subtraction ship promptly carries on the intermittent type fixedlength localization hauling, guaranteed that the hauling dynamic process is steady. Two servo electrical machinery must maintain the synchronized movements, this may plete the synchronization control through the movement controller. Regarding the synchronization accuracy requirement high situation, may use the torque synthesis feedback form the control policy, realizes two axis couplings. When the accuracy requirement is ordinary, may use the synchronized main reference form the control policy. Two kind of control policy hardware request basic consistent, is only the software plex degree is different. The crosswise localization, namely the electrooptic corrects an error to control, refers to the route which the control plastic membrane walks, enables it not to deviate the fixed track, must overe socalled “the fishtail” the question. At present is independent the electrooptic to correct an error the equipment to use the photoelectric sensor to examine the plastic membrane boundary, when occurs runs, corrects an error the controller to correct an error the servo to send out the control signal, causes it to lead a material volume movement through the guide screw to correct the plastic membrane. Corrects an error the controller to be possible to control machine the substitution by the labor, gathers the error signal and the control through AD and the DA board card corrects an error the servo. Advantage employing labor controls machine 。s coordination control. The movement controller controls machine the main line through the labor to carry on the munication with it, like this causes employing labor to control machine the control software then to monitor the movement controller, realizes to each servo electrical machinery39。s multiple spindle movement controller, like this simplified the servo to actuate control system39。s coordination control can guarantee the hauling and the heatseal and the dinking die coordinated work. Puts the material and the feed bag to feed servo electrical machinery may unify with this three servo motor control forms a multiple spindle servo to actuate the control system together. The use may plete many servo electrical machinery39。s state of motion. The feed bag hauling servo electrical machinery39。s types of control are the speed control, the main electrical machinery leads the hot knife vertical motion through four pole anizations, through controls the main electrical machinery driver39。s fixedlength positioning control, the system must also plete the feed bag to correct an error, to feed, the tensity and the heatseal temperature control. The control system controls take the labor machine as a core, carries on each control function the hardware expansion, controls machine the control software through the labor to improve each function conformity the system coordination control performance, forms a puter control system. In addition, the remote diagnosis technology applies in the bagmaking machine can strengthen bagmaking machine39。s control system must plete the main servo electrical machinery and the feed bag hauling servo electrical machinery39。s automated performance, must develop the new control plan. In the system bag process, the thin film volume material launches continuously, and corrects an error through the electrooptic with the advanced gear to enter in continuously the folding formation installment. Thin film after folding formation, carries on the hauling and the localization by the fixedlength localization draw gear enters the heatseal working procedure. Makes in the bag flow the heatseal working procedure, is causes the laminated film heatseal spot using the heating wire heating the heatseal level to turn the plastic flow condition, draws support again cutting tool39。s host actuation electrical machinery servocontrol and the fixedlength positioning control system is a body, namely controls take the labor machine forms a three servocontrol as the control core, but the tensity, the electrooptic correct an error, the temperature and to feed control system independence in this three servocontrol. Each system independent types of control increased the bagmaking machine coordination control difficulty mutually, also reduced the entire control system39。s processing equipment using the plastic film. 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