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  • A mechatronics approach to the design of light-weight arms and multifingered hands
    Miniaturizing the artificial muscle down to a nut diameter of 10 mm in combination with a specially designed brushless DC- motor with hollow shaft was a first important step.
  • Electromechanical systems to enhance the usability and diagnostic capabilities of ultrasound imaging
    6 Motor support Holds motor and shaft; screws ad- Machined from just pulley/pulley distance, belt aluminum tension 7 Brushless servo Provides torque; diameter: 16 Maxon EC-16 motor mm 232241 8 Coupling Transmits torque … McMaster misalignment of motor and shaft 2463K1. .... cell Converts contact force to an ana- Futek LSB200 log voltage; mounts probe 10 & 12 Probe…
  • Design criteria and operation analysis of a high speed brushless PM micro-motor
    Fig. 1 – Schematic section drawing of a 2-pole, 3-phase, PM brushless micro- motor , with a slotless type stator. .... extended within an angle θs < 60°); the coil pitch θp is to be defined; (3): central zone of the shaft , consisting of solid ferromagnetic … step (≤ 0.5 mm ) in case obtained upon … to lock the PMs; ( 10 ): possible inter-magnet zone…
  • UI’lIJZATION 01; 3’} 11’ S/1” 1’1;1.1 1’] 1. I-EST ASSISTAN’ l< Ol;OT (STAR) }’011 VISUAL ANI) “I”tl I!l{hl AI. ,\ NAIYSIS OF A1{’I’lC’1.ES IN THE T} IIKMAI, V...
    The z-axis motion is provided by a 7 Al III ((~2. !, in-lb), brushless DC motor that is ratml to (}~-wr ,ate in cold vacuum collcIitions. .... 24 VIJC f:lil-si~f~ brake that cmgages whenever the c1 rive n,() It); power is turned off, is connected to the back of i hc drive shaft . q’hc z-axis motc … il,-li II( 254 mm ( 10 inch) pulleys thrcmgh a…
  • Encoder - Nasa Tech Briefs :: NASA Tech Briefs
    With industry-standard 50mm diameter and short 36 mm mounting depth, the encoder is suited for use on NEMA 23 and 34 size brushless servo and stepper motors . .... It is available with 6mm or 8mm hollow or hub shafts , or a 9mm shaft with 10 :1 taper.
  • Mechanical Ice Drilling Technology
    The motor driving the drill head is a brushless Koll- morgen Frameless motor (stall torque 5.9 Nm, peak torque 23.7 Nm, voltage 400 … with a hall sensor option for servo commutation and a large hollow shaft in its center allowing .... This motor with its driver directly provides the right torque (* 10 Nm) at the right rotation speed … of this motor (including a custom-made shield to protect it from the fluid) is 88 mm .
  • Axial Flux Permanent Magnet Brushless Machines
    1 — stator coil, 2 — PM, 3 — shaft , 4 — bearing, 5 — hub, 6 — rotor ferromagnetic yoke, 7 — stator ferromagnetic yoke, 8 — base plate, 9 — pole fingers, 10 — nonmagnetic ring. .... According to [129], for a HDD AFPM brushless motor with a 51- mm stator outer diameter, .
  • Characterization of a pumping system in Martian-like environment
    [3] Esposito, F., et al. ‘MEDUSA: water vapor close to the surface o [4] Scaccabarozzi, D., et al. ‘Desi shutter mechanism for planetary 93, pp. 207-216. e rotor shaft is shown in Fig. 10 . shaft at about 850 Hz, which is .... The overall e motor ) was about 50g and the th 26 mm diameter and 43 mm. .... ed on a Maxon EC 20 brushless mass without control electronics).
  • Electromechanical Unit Helps Artificial Heart
    The shaft travel is ± 10 mm at a maximum force of 100 N. .... Comparative analyses of various designs of such systems for artificial blood circulation have demon- strated that electromechanical drives of modular de- sign based on the planetary roller screw mechanism and brushless DC motors are the most promising trend in transplantology (4).
  • Permanent circulatory support systems at the Pennsylvania State University
    A larger size intended for experimental implantation in calves has a 100 cc stroke volume, 10 1/min maximum output, and 25 mm outlet and 29 mm inlet valves. .... A brushless dc motor provides the driving torque which is converted to the linear pusher plate motion by a roller- screw actuator. .... houses a number of threaded rollers which move in a planetary motion about the central threaded shaft .