High speed, precision motion strategies for lightweight structures

semiannual progress report, May 15, 1988 to November 14, 1988

Publisher: National Aeronautics and Space Administration, Publisher: National Technical Information Service, distributor in [Washington, DC, Springfield, Va

Written in English
Published: Downloads: 851
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Subjects:

  • Control systems design.,
  • Manipulators.,
  • Robotics.,
  • Teleoperators.,
  • Silica glass.

Edition Notes

StatementWayne J. Book.
SeriesNASA contractor report -- NASA CR-184651.
ContributionsUnited States. National Aeronautics and Space Administration.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL15408098M

* Increased power on spindle motors Machine specifications * High torque revolving tool motor provides heavier cutting Max. machining diameter * Fast processing and short cycle time with the high speed NC unit Standard machining length " * Cincom Control ensures reduced idle time and easy setup Main spindle speed 60 ~ 6, * Compact design. for precision motion applications. 1 Another major advantage of fluid power is compactness and flexibility. Fluid power cylinders are rela-tively small and light for their weight and flexible hoses allows power to be snaked around corners, over joints and through tubes leading to compact packaging without sacrificing high force and high.   Optical coherence tomography (OCT) is a non-contact imaging technique which generates cross-sectional images of tissue with high resolution. Therefore it is especially valuable in organs, where traditional microscopic tissue diagnosis by means of . Their distinctive advantages in high-speed applications and precision machining are positioning air bearings on a growth trajectory. Revenue generated by the air bearings market was US$ Bn in , and the market is expected to expand at a CAGR of ~ 7% in .

While the sealing, speed, and accuracy requirements are low, the moment loading is quite severe due to the rotational wrapping motion. The high moment load drives us to a ball-guided carriage. FANUC CNC Series 30i/31i/32i. The CNC Series 30i/31i/32i-MODEL B are designed for today’s most complex, high-performance machines with a large number of axes, multiple part program paths and high-speed auxiliary machine Series 30i-MODEL B supports up to 32 servo axes, 24 simultaneous interpolated axes, 8 spindles and 5 independent PMC machine ladders. This is the Global Website of Yokogawa Electric Corporation. Founded in , Yokogawa Electric Corporation has over years experience in the measurement, control, and information businesses, and provides leading-edge products and services to industry. | Yokogawa Electric Corporation. Electronics at the Speed of Light – Using Light Waves to Move Electrons at Sub-Femtosecond Speeds. Sebastián were able to confirm and map out in detail by means of a time-dependent treatment of the electronic quantum structure coupled to the light field. Measure Squeezing With High-Precision Using Thermal Fluctuations of a Nanostring.

A vibrating structure gyroscope, defined by the IEEE as a Coriolis vibratory gyroscope (CVG), is a gyroscope that uses a vibrating structure to determine the rate of rotation. A vibrating structure gyroscope functions much like the halteres of flies (insects in the order Diptera).. The underlying physical principle is that a vibrating object tends to continue vibrating in the same plane even. Tesla casts a new strategy for lightweight structures The EV maker boldly invests in the world's largest aluminum die-casting machine to manufacture entire rear underbody structures. Steel the Real Deal Steel's infinite recyclability will help it remain the auto .   Minimally invasive laparoscopic surgery, in which a surgeon uses tools and a tiny camera inserted into small incisions to perform operations, has made surgical procedures safer for both patients and doctors over the last half-century. Recently, surgical robots have started to appear in operating rooms to further assist surgeons by allowing them to manipulate multiple tools at once with greater. Because light travels at such incredibly fast speed, distance calculation using the ToF method must be performed in a span of between 1 nanosecond (one billionth of a second) and one picosecond (one trillionth of a second)—and therefore requires an optical sensor capable of responding to such a high-speed regime with precision.

High speed, precision motion strategies for lightweight structures Download PDF EPUB FB2

An illustration of an open book. Books. An illustration of two cells of a film strip. Video An illustration of an audio speaker. High speed, precision motion strategies for lightweight structures precision motion strategies for lightweight structures by Book, Wayne J.

Publication date Get this precision motion strategies for lightweight structures book a library. High speed, precision motion strategies for lightweight structures. [Wayne J Book; United States.

National Aeronautics and Space Administration.]. Research on space telerobotics is summarized. Adaptive control experiments on the Robotic Arm, Large and Flexible (RALF) were preformed and are documented, along with a joint controller design for the Small Articulated Manipulator (SAM), which is mounted on the RALF.

A control algorithm is described as a robust decentralized adaptive control based on a bounded uncertainty Author: Wayne J. Book. Get this High speed a library. High speed, precision motion strategies for lightweight structures: semiannual progress report, Novem toNASA grant NAG [Wayne J Book; United States.

National Aeronautics and Space Administration.]. High speed, precision motion strategies for lightweight structures Research on space telerobotics is summarized. Adaptive control experiments on the Robotic Arm, Large and Flexible (RALF) were preformed and are documented, along with a joint controller design for the Small Articulated Manipulator (SAM), which is mounted on the RALF.

Book description. Edited by Takashi Yamaguchi, Mitsuo Hirate, and Chee Khiang Pang, with contributions from pioneers known for their ground-breaking work, High-Speed Precision Motion Control discusses high-precision and fast servo controls in hard disk drives (HDDs).

The chapter authors describe the control technologies they’ve developed, most of which have already been. Edited by Takashi Yamaguchi, Mitsuo Hirate, and Chee Khiang Pang, with contributions from pioneers known for their ground-breaking work, High-Speed Precision Motion Control discusses high-precision and fast servo controls in hard disk drives (HDDs).

The chapter authors describe the control technologies they’ve developed, most of which have already been successfully applied to. The MT structures guarantee to withstand the forces generated by the process and the machine motions [2]. Forces acting on the MT structure during motion represent a serious limitation for the precision and productivity and, therefore, they are evaluated during machine design and material selection [3,4].

adversary of lightweight structures are today’s high labour costs and the imprudent use of natural resources.

This promotes massiveness and hinders the filigree. But before we discuss how to design lightweight structures we need to ask ourselves whether or not lightweight structures today are worth the effort to be promoted and developed. 4. High-precision motion control.

In this section, the control system shown in Fig. 9 is improved to allow for high-precision motion control of PAM mechanisms. The control's effectiveness is evaluated based on its ability to follow a target trajectory and its performance during point-to-point positioning experiments.

Precision Motion Control (second edition) focuses on enabling technologies for precision engineering - issues of direct importance to be addressed in the overall system design and realization: precision instrumentation and measurement, geometrical calibration and compensation, and motion control.

It is a compilation of the most important. Motion Control Solutions for High-Precision, Large-Field Laser Micromachining Demanding laser processes will benefit from a control mechanism that enables improved throughput and accuracy. SUSANNE ABL AND JOHN FLEMMER, SCANLAB GMBH, AND JASON GOERGES, ACS MOTION.

ing. Our structured light approach is based on special pat-terns, called m-sequences, in which any consecutive sub-sequence of m bits is unique. Lumitrack can utilize both digital and static projectors, as well as scalable embedded sensing configurations.

The resulting system enables high-speed, high precision, and low-cost motion tracking for a. In order to better track the planned trajectory of Delta high-speed parallel robot, this paper proposes a dynamics control strategy for Delta high-speed parallel robots based on the linear active disturbance rejection control (LADRC) strategy which realizes decoupling control through observing and compensating the coupling and internal and external disturbances between the three joints.

The MR brakes have a response speed comparable to that of powder brakes, have a high output-to-weight ratio, and are also considered to be suitable for use in welding training devices. A prototype and control strategy were developed, and the performance of.

Horticulture Precision Farming. Today, let us discuss the steps of Horticulture Precision Farming and Technology involved. Introduction: Horticulture Precision farming is an attempt to adapt to specific differences within fields & so to avoid over or under supplying the plants.

The making related application of fertilizers & plant protection agents is reduced thus optimizing yield. Reasons for Knocking at an Empty House (): Website: : Bill Viola (born ) is a contemporary video artist whose artistic expression depends upon electronic, sound, and image technology in new media.

His works focus on the ideas behind fundamental human experiences such as birth, death and aspects of consciousness. Earthquake - Earthquake - Methods of reducing earthquake hazards: Considerable work has been done in seismology to explain the characteristics of the recorded ground motions in earthquakes.

Such knowledge is needed to predict ground motions in future earthquakes so that earthquake-resistant structures can be designed. Although earthquakes cause death and destruction through such.

It is worth noting that in the field of high precision motion control, the concept of disturbance observer (DOB)-based control with internal model principle has been recently explored to reject.

China has the world’s fastest and largest high-speed rail network — more t miles, the vast majority of which was built in the past decade. Japan’s. This paper intends to configure a control system of the plastic injection molding machine using a Motion Controller.

It narrates the wiring methods of the control system based on “PC + Motion Controller” architecture. Furthermore, it divides some functions by the language of C++ Builder. This work aims to produce a low cost and high efficient control system which has good expansibility and.

As shown in Fig. 11, the binocular vision measurement system contains two high-speed cameras (FASTCAM SA-X), two wide-angle lens (Nikon), several lasers, a vibration isolated table, one computer and two sets of high-precision electrical control platforms.

By distributing several lasers reasonably, the effective capture of the moving target. With high running accuracy, high-speed performance and high system rigidity, SKF super-precision bearings are ideal for machine tools and other precision applications such as rolling mills, racing cars and marine vessels.

The bearings also minimize noise, vibration and heat generation. In the outdoor baseline field, real-time, high-speed (up to 35 kHz) measurement of a long distance of ~ m is achieved with a minimum Allan deviation of μm at averaging time of ms (27 nm at averaging time of s after high-pass filtering).

Precision parts made at high speed Thanks to motion control technology from Siemens, Pressmac’s new NC slide machine achieves setting ranges and infeed speeds that were inconceivable in the past. With the SIMOTION motion controller, manufacturers can retool in an hour or less. Parker Hannifin Corporation.

Daedal Division Sandy Hill Road Irwin, PA Phone () Phone () Fax () Search our site. At Practical Precision, we focus exclusively on helping companies whose products depend on precision motion and precision optics for success to achieve breakthrough-levels of performance in the medical device/biotech, aerospace/defense, and precision manufacturing industries.

That exclusive focus has allowed us to develop highly-relevant experience and deep expertise solving precision. Delta robots have been widely used in industrial contexts for pick-and-place applications because of their high precision and speed.

These qualities are also desirable at the millimeter scale for applications such as vibration cancellation in microsurgery and microassembly or micromanipulation. Developing a millimeter-scale Delta robot that maintains the characteristic input-output behavior.

For drilling micro holes, laser beam drilling technique is used. Applications High speed drilling of 20µm holes in 50µm thick foil Cutting of 1mm tube µm wide v- grooves Laser Micro machining technique finds application in the manufacture of micro channels and micro holes in integrated chips and microchips.

Motion Prediction in a high-speed, dynamic environment Yu Sheng1, Yonghai Wu2, Wenfei Wang, Chengguo Guo 1 College of Computer Science and Technology, Zhejiang University [email protected] 2 College of Mechanical and Energy Engineering, Zhejiang University [email protected] Abstract.

The immanent existence of system latency greatly afiects the. This feature news channel highlights experts, research, and feature stories related to alternative and renewable energy sources and the oil and gas economic situation that stimulates the industry.Advances in Ultra Precision Manufacturing O.

Riemer Laboratory for Precision Machining (LFM), Bremen, Germany Abstract: In the past many qualified technologies have been established for the manufacture of optical, precision and micro parts as well as precision structured surfaces.High-Speed Trot Gait Xuanqi Zeng, Songyuan Zhang *, Hongji Zhang, Xu Li, Haitao Zhou and Yili Fu The leg is designed for lightweight and low inertia with a structure of This strategy can.