Results 81 to 90 of about 43,824 (215)

Four quadrant control circuit for a brushless three-phase dc motor [PDF]

, 1987
A control circuit is provided for a brushless three-phase dc motor which affords four quadrant control from a single command. The control circuit probes acceleration of the motor in both clockwise and counterclockwise directions and braking and ...
Nola, Frank J.
core   +1 more source

Sensing of chlorpheniramine in pharmaceutical applications by sequential injector coupled with potentiometer

Journal of Pharmaceutical Analysis, 2011
This paper reports on development of a system consisting of a portable sequential injector coupled with potentiometric unit for sensing of chlorpheniramine (CPA), based on the reaction of CPA with potassium permanganate in acidic media.
Tawfik A. Saleh
doaj   +1 more source

Surface roughness detector Patent [PDF]

, 1965
Roughness detector for recording surface pattern of ...
Brady, J. C., Hall, J. B., Jr., Price, S. B.   +2 more
core   +1 more source

Ganged series potentiometer mixer networks [PDF]

A ganged potentiometer with the interesting property of a constant 10k ohm or greater series impedance for all rotations of the shaft was rediscovered.
Burhans, R. W.
core   +1 more source

Solar cell angular position transducer [PDF]

, 1980
An angular position transducer utilizing photocells and a light source is disclosed. The device uses a fully rotatable baffle which is connected via an actuator shaft to the body whose rotational displacement is to be measured.
Gray, D. L., Sandford, M. C.
core   +1 more source

Methodology For Measuring Forces In Motorcycle Suspension Using A System Based On Analogue Potentiometers

Journal of Mechanical Engineering
This study explores the quest for a more cost-effective and practical method of measuring forces in motorcycle suspension systems by utilizing simple potentiometers as an alternative to sophisticated strain gauges.
Míša Jiří, Tobiáš Martin, Repka Martin, Straka Martin, Gregor Lukáš   +4 more
doaj   +1 more source

Continuously variable voltage-controlled phase shifter [PDF]

, 1970
Phase shifter circuit adjusts the phase relationship between a locally generated reference frequency and a received RF signal applied to a phase-coherent detector.
Johns, C. E.
core   +1 more source

Fatigue Life Evaluation of a Leaf Spring by FEA Using Rough Road Data

Gazi Üniversitesi Fen Bilimleri Dergisi, 2019
Fatigue-related faults in vehicles usually occur over a long period of time, ie; high km, both the customer and the manufacturer does not want to encounter is a serious quality error.
Arif Şenol ŞENER, Yunus MARAL
doaj   +1 more source

SYNTHESIS OF Н-ROBUST CONTROLLER FOR MOTORBIKE STABILIZATION

RUDN Journal of Engineering Research, 2015
The paper presents the influence of level of tolerance as main parameter of H-robust control theory. The model of control object is developed. The actuator is a hydraulic cylinder with a feedback potentiometer with conducting windings.
K A Pupkov, D A Andrikov, M A Sinelshchikova, D A Andrikov   +3 more
doaj  

Measurement of the Physical Properties during Laparoscopic Surgery Performed on Pigs by Using Forceps with Pressure Sensors

Advances in Urology, 2015
Objectives. Here we developed a unique training system, a patient specific virtual reality simulator, for laparoscopic renal surgery. To develop the simulator, it was important to first identify the physical properties of the organ. Methods.
Hiroyuki Yamanaka, Kazuhide Makiyama, Kimito Osaka, Manabu Nagasaka, Masato Ogata, Takahiro Yamada, Yoshinobu Kubota   +6 more
doaj   +1 more source