Category: Hexapods

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 […]

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 […]

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 […]

Novel Sample Stage Alignment Hexapod for X-ray Microscopy and Tomography

Hexapod with Additional Linear Encoders to Achieve the Highest Precision 1. Application: X‑Ray Microscopy / Tomography For synchrotron-based sub-micrometer hard X‑ray Tomography, the sample rotation axis must be aligned very precisely in at least five degrees of freedom with respect to the field of view, the lens, the detector or the beam itself. High stiffness […]

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 […]

Hexapod for Drone Testing – 6 Axis Motion Simulator to Improve Image Stabilization

The human brain can do amazing things when it comes to image processing.  Everyone who has taken video while running or just walking has made that experience.  Our brain filters out all the jitter and shake and plays back a reality that is more virtual than real. For the longest time since the inception of […]

Hexapods and Parallel Kinematics Positioning Systems FAQs

Hexapod positioners are often referred to as Stewart Platforms. A hexapod is based on a 6-axis (XYZ, Pitch, Roll, Yaw) actuator system arranged in parallel between a top and bottom platform. PI parallel kinematics (PKM) precision positioning systems have many advantages over serial kinematics stages, such as lower inertia, improved dynamics, smaller package size, and […]

Dental Biomechanics Research Based on Hexapod 6-Axis Platform

Hexapod motion and positioning platforms have traditionally been used in engineering, optics, and physics applications for their ability to provide precision motion in all degrees of freedom and flexibility based on a programmable center of rotation. As hexapods become more mainstream, applications expand into medical fields as well. Dental biomechanics deals with the interactions between […]

Precision Robotics and Automation: Hexapods Advance Production Processes

Summary Hexapods, six-legged parallel-kinematic machines, are quickly gaining ground in a broad range of industrial automation applications after “learning” how to directly communicate with PLC or CNC controllers via fieldbus interfaces. As far as the semiconductor and electronics industry, automobile industry, and precision assembly are concerned, many production processes have become inconceivable without them. Today, […]

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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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