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Products: Motion Control
Midwest Motion Products (Watertown, MN) offers the MMP-B23-150H-24V GP52-035 BR-005 brushless DC gearmotor/brake that features Hall Cell Commutation. The gearmotor measures 2.3" in diameter by 9.2" long, and has a keyed...
Products: Motion Control
Worm Gear Speed Reducers
Flexbloc right-angle worm gear speed reducers from NORD Gear Corp. (Waunakee, WI) stop oil leaks and eliminate bolt-on covers and split casting, encompassing all gearing within a single piece. They feature an aluminum alloy housing that is corrosion resistant. The speed reducers are lubricated with a food-grade synthetic...
Products: Robotics, Automation & Control
Nanomotion (Ronkonkoma, NY) offers the MM industrial servo motor that provides unlimited rotary or linear motion with 0.17 N of driving force and velocity to 235 mm/sec. The motor measures 9 × 17 × 5 mm and weighs 5 grams. It...
Products: Robotics, Automation & Control
Copley Controls (Canton, MA) offers the ServoTube actuator with twin outrigger bearings designed for applications subject to high side loading. A ball-bushing option with steel bearing rails provides maximum side-loading...
Products: Motion Control
Allegro MicroSystems (Worcester, MA) has announced the A1441 full-bridge motor driver designed to drive single-phase, low-voltage, bipolar brushless DC motors. Commutation of the motor is achieved by the use of one Hall element to...
Products: Robotics, Automation & Control
Datastick Systems (Campbell, CA) offers the VSA-1212 vibration spectrum analyzer, a PDA-based vibration analyzer that uses off-the-shelf ICP®-type piezoelectric accelerometers for machine condition monitoring and...
Products: Robotics, Automation & Control
Lexair (Lexington, KY) has announced the Lexair/ Production Dynamics Full Bore® chuck, a mechanical-grip, air-release, front-mounted collet chuck designed to make the full spindle bore available to handle larger bar stock. The...
Products: Motion Control
Pittman® Brushless DC servomotors from PennEngineering® Motion Technologies (Harleysville, PA) feature a slotless stator design for applications in data storage, medical, semiconductor, and automation. Features include low...
Products: Robotics, Automation & Control
Exlar Corp. (Chanhassen, MN) has introduced the Exlar I Series electro-mechanical actuator with roller screw technology. Users have a choice of motor brand and type, including brushless servo, stepper, DC, or AC...
Briefs: Motion Control
Precision X-Y stages were developed for integration into a new analytical measurement tool for use in the development of digital inks or other fluids to be jetted from ink jet...
Briefs: Robotics, Automation & Control
In the area of maintaining conventional motorcycle stability, engineers have established a series of tests that measure the wobble, weave, and kickback of every new model before it is released...
Briefs: Robotics, Automation & Control
When developing the steering component of the Catrike Speed recumbent tricycle, the manufacturer switched from metal bearings to igubal® plastic rod ends for lighter weight (80% less) and...
Briefs: Robotics, Automation & Control
A multitude of tests are necessary during the manufacture of sophisticated tables used to position patients in nuclear-medicine-based medical imaging machines. Some of the tests,...
Articles: Mechanical & Fluid Systems
While technology has advanced and there are many new ways to accomplish useful motion within particular applications, electric motors and gearheads are still the preferred and most popular choices for power...
Briefs: Electronics & Computers
Additional Drive Circuitry for Piezoelectric Screw Motors
Modules of additional drive circuitry have been developed to enhance the functionality of a family of commercially available positioning motors (Picomotor™ or equivalent) that provide linear motion controllable, in principle, to within increments ≤30 nm. A motor of this type includes a...
Briefs: Robotics, Automation & Control
The Control Architecture for Multirobot Outpost (CAMPOUT) is a distributed-control architecture for coordinating the activities of multiple robots. In the CAMPOUT, multiple-agent activities and...
Briefs: Robotics, Automation & Control
Compact Motors Provide Motion Control for Explosive Ordnance Disposal Robot
A remote-controlled, compact Explosive Ordnance Disposal Robot (EOD) has been deployed in Iraq, Afghanistan, and other worldwide locations to secure and transport hazardous, dangerous, or suspicious materials to a safe location where it can be disarmed or destroyed. The...
Briefs: Motion Control
Improving Control of Two Motor Controllers
A computer program controls motors that drive translation stages in a metrology system that consists of a pair of two-axis cathetometers. This program is specific to Compumotor Gemini (or equivalent) motors and the Compumotor 6K-series (or equivalent) motor controller. Relative to the software supplied...
Briefs: Robotics, Automation & Control
A control system has been designed to keep a balloon-borne scientific instrument pointed toward a celestial object within an angular error of the order of an arc second. The design is...
Briefs: Motion Control
Two-Armed, Mobile, Sensate Research Robot
The Anthropomorphic Robotic Testbed (ART) is an experimental prototype of a partly anthropomorphic, humanoid- size, mobile robot. The basic ART design concept provides for a combination of two-armed coordination, tactility, stereoscopic vision, mobility with navigation and avoidance of obstacles, and...
Briefs: Motion Control
The Directional Acceleration Vector-Driven Displacement of Fluids (DAVDDOF) system, under development at the time of reporting the information for this article, would be a relatively compact,...
Briefs: Robotics, Automation & Control
An improved type of exhaust nozzle has been invented to help optimize the performances of multitube detonative combustion engines. The invention is applicable to both air-breathing and...
Briefs: Robotics, Automation & Control
An electromechanical exoskeletal arm apparatus has been designed for use in controlling a remote robotic manipulator arm. The apparatus, called a “force-feedback exoskeleton arm master” (F-EAM) is...
Briefs: Robotics, Automation & Control
A noncontact position sensor has been designed for use with a specific two-dimensional linear electromagnetic actuator. To minimize the bulk and weight added by the sensor, the sensor has been...
Briefs: Robotics, Automation & Control
A proposed design for an electromagnetic brake would increase the reliability while reducing the number of parts and the weight, relative to a prior commercially available electromagnetic brake. The reductions of...
Briefs: Motion Control
A method of feedback control has been proposed as a means of suppressing thermo-acoustic instabilities in a liquid- fueled combustor of a type used in an aircraft engine. The basic...
Briefs: Motion Control
A Software Architecture for Semiautonomous Robot Control
A software architecture has been developed to increase the safety and effectiveness with which tasks are performed by robots that are capable of functioning autonomously but sometimes are operated under control by humans. The control system of such a robot designed according to a prior...
Briefs: Motion Control
As noted in the previous article, the field-induced force density on a magnetic fluid is proportional to the magnetic susceptibility times the gradient of the magnetic field squared. The direction of the...
Briefs: Robotics, Automation & Control
Pumping Liquid Oxygen by Use of Pulsed Magnetic Fields
An effort is underway to develop a method of pumping small amounts of liquid oxygen by use of pulsed magnetic fields. This development is motivated by a desire to reduce corrosion and hazards of explosion and combustion by eliminating all moving pump parts in contact with the pumped oxygen.
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