Design and control of a dual-stage feed drive
WebFeb 1, 2001 · This paper presents a robust repetitive controller design for a dual stage actuator system for the noncircular cam turning process. The secondary actuator in this dual stage system is a... WebDec 3, 2024 · A new control algorithm was developed in this article to drive the linear motor and PZT in a dual-stage feeding mechanism for achieving high machining efficiency in EDM processes. Two control strategies were used to control the speed of the linear motor in the new algorithm: constant speed and fuzzy-controlled speed.
Design and control of a dual-stage feed drive
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WebAug 10, 2009 · To fundamentally solve this issue, we propose to develop a dual-stage actuationsystem that consists of a voice coil motor that covers the coarse motion, and … WebSep 22, 2024 · In control applications to achieve high precision and long servo distance, a dual stage actuator system is designed. A coarse actuator had poor accuracy but a good travel range was achieved. Fine actuator had good precision, but could not achieve both in a single stage (Moriyama et al. 1984 ).
WebMA loop sensitivities, “Gsnsvcm” and “G snsma”, respectively Thus, the dual-stage servo control design can be decoupled into two independent controller designs; the VCM loop and the MA loop. Usually, the VCM open loop gain-crossover frequency is limited by the head-stack assembly and suspension resonance modes to be between 1,500 to 2 ... WebJan 21, 2024 · The dual-drive feed mechanism (DDFM) based on the drive at the center of gravity (DCG) principle has been widely adopted in computer numerical control (CNC) machines and industrial robots that require high precision and high stability.
WebJan 21, 2024 · The dual-drive feed mechanism (DDFM) based on the drive at the center of gravity (DCG) principle has been widely adopted in computer numerical control (CNC) … WebDual-Stage Feed Drive Concept The dynamics of the drive stages, fine and coarse, will determine the way they work together complementary to achieve the maximum effect. …
WebFeb 1, 2005 · This paper described the design and control of DSFDs for precision machining. The issues involved in DSFD design were analyzed and solution approaches …
WebFeb 1, 2005 · Connecting coarse (large stroke) and fine (high resolution) drive stages, in series, to form a dual-stage feed drive (DSFD) system can provide the desired performance. The DSFD concept has applications that include fast tool servos for the … charles cow cow davenportWebSep 1, 2011 · This paper presents the design and control of a rotary dual-stage actuator (DSA) positioning system, which has a flexure-based beam driven by a voice coil motor (VCM) and a piezoelectric (PZT) actuator simultaneously. The design goal is to enable the two actuators complementary to each other for the combined ability of high positioning … harry potter goes to the icw fanfictionhttp://farmers-services.com/hardware/ charles cowherd spencer faneWebFeb 26, 2024 · Due to high stiffness and quick response, dual-drive feed machines (DDFMs) are widely used in many precision CNC machines. The tracking errors of the two feed drives directly determine the machines’ accuracy. The performance of the position accuracy can be easily affected by the difference in the friction dynamic characteristics of … harry potter goes to hell fanfictionWebAug 31, 2009 · Abstract: Dual-servo systems (DSSs) are highly desirable in micro-/nanomanipulation when high positioning accuracy, long stroke motion, and high servo bandwidth are required simultaneously. This paper presents the design and development of a new flexure-based dual-stage nanopositioning system. A coarse voice coil motor … charles cowperWebSep 1, 2011 · Dual-stage actuator Finite element method Motion control 1. Introduction A dual-stage actuator (DSA) is typically comprised of two actuators connected in series. The primary (coarse) actuator is characterized by a large travel range but poor accuracy and slow response time. harry potter godparentsWebFeb 5, 2008 · In this paper, a new modeling, and controller tuning method for feed drive systems is described. Typical feed drive systems consist of an AC servo motor, a ball screw, linear guides, and a servo controller. In order to design high performance systems, it is effective to make a model and analyze its behavior. In this study, a feed drive system … charles cowley