Category: Multi-Axis Motion

EtherCAT®: Ethernet for Control Automation Technology and its Advantages for Precision Motion Systems

The fastest Industrial Ethernet-based fieldbus system keeps gaining popularity for a variety of reasons. EtherCAT® is a modern, cost efficient, open real-time Ethernet-based fieldbus system. It is a registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany. EtherCAT is short for “Ethernet for Control Automation Technology” and is used by control and system […]

“Micropositioning” – Classical Precision Positioning Technologies still Going Strong

Striking the right balance between affordability, accuracy, and reliability Traditional linear and rotary “micropositioning” stages are based on servo and stepper motor-driven leadcrews and ballscrews and mechanical bearings. They are classical components for precision motion control applications, spanning from lab-automation to industrial assembly and inspection. “Micropositioning” got its name from precision levels in the micrometer […]

Why Google Engineers can make better Cameras using PI’s Direct-Drive Hexapod Multi-Axis Motion Platform

Google’s Pixel 2 has one of the most advanced cameras found in smartphones today. In a recent YouTube video by “Nat & Friends” on how Google built the Pixel 2 Camera, PI’s H-860 “shaker” hexapod is shown in a motion simulation application. Modern cameras use electronic image stabilization algorithms to reduce side effects from motion […]

Advances in Laser Micromachining and Microprocessing

New Motion Control Approaches Deliver Improved Accuracy and Faster Time to Market Introduction Experienced Laser Microprocessing and Micromachining system integrators have no trouble providing proof of concept demonstrations for new applications. Turning the concept into a robust solution is a different story altogether – at least it used to be.  Here is why: Delivering laser […]

Hexapod 6-Axis Micro-Robots – Enablers for Today’s Advanced Camera Manufacturing… and Tomorrow’s

Hexapod micro-motion robots are a novel motion technology that provides all six degrees of freedom in an unusually stiff, compact, and high-precision structure, composed of a single moving platform supported in parallel by six motorized struts arranged with optimized constraint (“parallel kinematics”). From a motion control standpoint, hexapods are the equivalent of an XYZ stack with […]

Hexapod Robots in Laser Microsurgery Research

Laser micro-surgery can benefit from tracking and image-based methods that improve precision and safety. Advanced software together with stereo camera feedback allow for motion estimation reduce tracking errors.  A highly precise parallel kinematics motion system (Model H-824 from Physik Instrumente) with 6 degrees of freedom was used to evaluate the performance. More information is available […]

XYZ Positioning Mechanism Integrated in Automated Medical Instrument Developed in Partnership with ITL

Standard or Custom Engineered Solutions when Time is Critical? The old question – standard or custom – was one of the key considerations when ITL Group decided on what precision multi-axis motion system to use in one of their latest projects. In this particular case, ITL was approached by a client with an open frame […]

High Performance Motion Control – Systems Approach Provides Nanometer Precision for Industrial Applications

High performance motion control plays a key part in positioning and handling applications, such as those in semiconductor manufacturing, laser and materials processing, optical inspection systems, additive manufacturing or industrial digital printing. In addition to providing reliability and robustness, deterministic behavior with minimized latency, high-speed synchronization with external devices, such as lasers and cameras, is […]

Hexapod Robots in Automotive Applications

As the precision requirements in the automotive industry are increasing, the need for advanced robotics arises. Traditional robots are fast, can handle heavy loads, but lack positioning accuracy. Hexapod robots have a long history in precision alignment & micro-manufacturing automation, but were considered too precise for the automotive industry. The situation is rapidly changing. Modern […]

Hexapod in Proof of Concept for High-Speed Interstellar Travel with Directed Energy

The velocity of present-day spacecraft may seem galactic in contrast to what humans experience in their daily commutes involving even the fastest trains, planes or automobiles. However, compared to the warp-drive performance known from science fiction classics such as Star Trek and Star Wars, space travel in the early 21th century still moves at a […]

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About PI

PI (Physik Instrumente) is a leading manufacturer of precision motion control equipment, piezo motors, air bearing stages and hexapod parallel-kinematics for semiconductor applications, photonics, bio-nano-technology and medical engineering. PI has been developing and manufacturing standard & custom precision products with piezoceramic and electromagnetic drives for 4 decades. The company has been ISO 9001 certified since 1994 and provides innovative, high-quality solutions for OEM and research. PI is present worldwide with fifteen subsidiaries, R&D / engineering on 3 continents and total staff of more than 1,000.

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