Advances in High-Performance Motion Control of Mechatronic by Takashi Yamaguchi, Mitsuo Hirata, Chee Khiang Pang

By Takashi Yamaguchi, Mitsuo Hirata, Chee Khiang Pang

Mechatronic platforms are utilized in a variety of shopper items from large-scale braking platforms in vehicular brokers to small-scale built-in sensors in cell phones. to maintain speed within the aggressive buyer electronics undefined, businesses have to consistently enhance servo overview and place regulate of those mechatronic structures. Advances in High-Performance movement keep an eye on of Mechatronic structures covers complex keep watch over issues for mechatronic purposes. particularly, the publication examines keep watch over structures layout for ultra-fast and ultra-precise positioning of mechanical actuators in mechatronic systems.

The publication systematically describes movement regulate layout tools for trajectory layout, sampled-data special positioning, brief regulate utilizing switching keep watch over, and dual-stage actuator keep an eye on. every one approach is defined intimately, from theoretical features to examples of tangible purposes together with harddisk drives, optical disk drives, galvano scanners, own mobility robots, and extra. This is helping readers higher know how to translate keep watch over theories and algorithms from concept to layout and implementation in lifelike engineering structures. The ebook additionally identifies very important learn instructions and complicated regulate thoughts which may offer ideas for the following iteration of high-performance mechatronics.

Bridging study and undefined, this e-book provides cutting-edge regulate layout methodologies which are greatly acceptable to industries corresponding to production, robotics, domestic home equipment, autos, printers, and optical drives. It courses readers towards more suitable ideas for high-performance mechatronic structures of their personal items.

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Extra resources for Advances in High-Performance Motion Control of Mechatronic Systems

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2 Technological Development in Servo Control In this section, the technological advancements in servo control of HDDs through advanced control theories and improvements of control topologies are covered. 1 Application of Control Theories In 1986, the first HDDs using digital control were shipped. Since then, many advanced digital control theories have been proposed and applied to HDDs. Based on the four design phases described in the earlier sections, the application of control theories to HDDs is briefly described as follows: 1.

This design method is described in detail in Chapter 2. 2. Design of controllers to track the reference trajectory: This servo control design is one of the major areas in control theory, and many methods have been proposed. The PTOS [10] was proposed in the mid-80s and is one of the most popular methods applied to HDDs. For the PTOS, power amplifier saturation is considered for fast access control in the track-seeking mode, and a smooth transfer to the linear feedback loop for precise-positioning control in the track-following mode is provided.

22) 30 Advances in High-Performance Motion Control of Mechatronic Systems where N −1 XA = τ i3 = τ 2 N (N − 1)2 , 4 i2 = τ N (N − 1)(2N − 1), 6 i=1 N −1 XB = τ i=1 N −1 = XC τ i= i=1 τ N (N − 1). 23) where YA = τ2 2 N −1 = τ 2 = τ 2 (2N − 1)i2 − 2i3 = τ2 N (N − 1)(N 2 − N + 1), 12 i=1 2 N −1 YC τ2 N (N − 1)(2N − 1)(3N 2 − 3N + 4), 120 i=1 2 N −1 YB (2N − 1)i3 − 2i4 = (2N − 1)i − 2i2 = i=1 τ2 N (2N − 1)(N − 1). 20) becomes u[n] = 60r n(n − N )(2n − N ) . 24), the normalized step nn = n/N and the final time T = τ N are introduced.

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