By Takashi Yamaguchi, Mitsuo Hirata, Chee Khiang Pang
Mechatronic structures are utilized in a number of shopper items from large-scale braking structures in vehicular brokers to small-scale built-in sensors in cellphones. to maintain velocity within the aggressive purchaser electronics undefined, businesses have to continually increase servo overview and place keep an eye on of those mechatronic platforms. Advances in High-Performance movement regulate of Mechatronic platforms covers complex keep watch over issues for mechatronic purposes. specifically, the ebook examines regulate structures layout for ultra-fast and ultra-precise positioning of mechanical actuators in mechatronic systems.
The e-book systematically describes movement regulate layout tools for trajectory layout, sampled-data exact positioning, brief keep an eye on utilizing switching regulate, and dual-stage actuator keep an eye on. each one technique is defined intimately, from theoretical elements to examples of exact functions together with harddrive drives, optical disk drives, galvano scanners, own mobility robots, and extra. This is helping readers greater know the way to translate regulate theories and algorithms from idea to layout and implementation in practical engineering platforms. The publication additionally identifies very important learn instructions and complicated keep watch over thoughts which could supply strategies for the following new release of high-performance mechatronics.
Bridging study and undefined, this e-book offers cutting-edge keep an eye on layout methodologies which are broadly acceptable to industries reminiscent of production, robotics, domestic home equipment, vehicles, printers, and optical drives. It courses readers towards more advantageous options for high-performance mechatronic structures of their personal items.
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Mechatronic platforms are utilized in a number purchaser items from large-scale braking structures in vehicular brokers to small-scale built-in sensors in cell phones. to maintain velocity within the aggressive purchaser electronics undefined, businesses have to consistently increase servo overview and place keep an eye on of those mechatronic platforms.
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Additional info for Advances in High-Performance Motion Control of Mechatronic Systems
Brief History of HDD and Its Servo Control . . . . . . . . . . 1 Growth in Areal Density . . . . . . . . . . . . . . . . 2 Technological Development in Servo Control . . . . . . 1 Application of Control Theories . . . . . . . 2 Improvement of Control Structure . . . . . . 1 1 4 5 5 6 8 8 10 10 12 Concept of Advances in High-Performance Motion Control of Mechatronic Systems In this chapter, the concept and scope of this edited book are described in detail.
10 when τ = 10 ms and τ = 100 ms. 10 Minimum jerk control for diﬀerent sampling periods. positioning error at t = T becomes large if the sampling period is not small enough as τ = 100 ms. An approach to avoid the positioning error at the ﬁnal time t = T is to obtain the feedforward input by taking into account the eﬀects of the ZOH. The details of this approach will be presented in the next section. 4 Sampled-Data Polynomial Input A feedforward input generated by a polynomial taking account of the eﬀect of the ZOH is referred to as the sampled-data polynomial input .
In this way, control performance can be determined by not only the feedback controller K but also by the ﬁlter F . This control system is referred to as the Two-Degrees-Of-Freedom (TDOF) control system since it has two degrees of design freedom. 2, where the TDOF controller uses the reference input r and the output y separately, while the ODOF controller uses the error e = r − y only. 3. 4. It should be noted 1 Other than the reference input such as disturbance and measurement noise, the introduction of the filter is physically impossible.