triac circuits for motor control
Analog and Digital Circuits for Electronic Control System Applications pdf
Ngày tải lên: 28/06/2014, 22:20
Motor control sensor feedback circuits
... stable, reliable and cost-effective control system. Further details on motor control circuits and sensors are provided in several books, including Motor Control Electronics” (10). In addition, ... Inc. BACK EMF CONTROL METHOD The back electro-magnetic-force (EMF) or sensorless motor control method obtains the speed and position of the motor directly from the voltage at the motor windings. ... conditions that may damage the motor. As an example, Figure 1 pro- vides a block diagram of a DC motor control system to show the sensor feedback provided for a typical motor control. A list of the sensors...
Ngày tải lên: 03/01/2014, 18:55
Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans
... mathematical model for the VCS with electromagnetic drive and power converter control circuits for its optimal control DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS ... mentioned facts were motivation for mathemat- ical model formulation and for further research of both the phase angle control and switch mode control behavior for the electromagnetic vibratory ... voltage controlled os- cillator and controller output. This reference value is determi- nated by reference inputs, for amplitude and duration and for frequency. Both of these signals are controlled...
Ngày tải lên: 03/01/2014, 19:16
DC motor control for robot
... measure a step response for our PID controller? Control systems What is a control system? What are some examples? What are the types of control systems? How are control systems represented? ... include: Stereo volume control Electric drill speed control Reasons for accurate speed control Motor speed should be independent of load. Differential drive platforms need to synchronize ... the response of the PID system optimized? How are the coefficients for P, I, and D determined? DC MOTOR CONTROL SYSTEMS FOR ROBOT APPLICATIONS By: Rick Bickle 11/7/2003 PID variables Error...
Ngày tải lên: 22/05/2014, 18:05
Báo cáo y học: "Efficiency of vibration exercise for glycemic control in type 2 diabetes patients."
... on physical performance parameters reflect just in part the outcome of glycemic control parameters: As it could be expected flexibility training failed to improve glycemic control and strength ... VE needs significant less time and, therefore, can be expected to reach a higher com- pliance in previously inactive patients. Unfortunately, rare information exists about the metabolic conse- quences ... al- pha-motoneurons via the monosynaptic reflex [17]. Therefore, compared to exercises without vibrations it may be true that a higher number of motor units are activated. Beside some general health-related...
Ngày tải lên: 26/10/2012, 10:04
Báo cáo y học: "Thioglycosides as inhibitors of hSGLT1 and hSGLT2: Potential therapeutic agents for the control of hyperglycemia in diabetes"
... culture for 2 days to allow the cells to form a confluent monolayer culture. For transport studies cells were seeded in 96-well microtiter scintiplates (PerkinElmer, Wiesbaden, Germany). For fluorescence ... laboratory on human hSGLT1 and hSGLT2 –as a potential therapeutic alternative for the control of hyperglycemia, particularly for people with diabetes. We chose to analyze the inhibitory effect of ... hSGLT2 by thioglycoside I, which is responsible for most of the reabsorption of glucose in the kidney, represents a promising alternative for the control of hyperglyce- mia. It has been shown...
Ngày tải lên: 26/10/2012, 10:04
Development of DMC controllers for temperature control of a room deploying the displacement ventilation HVAC system
Ngày tải lên: 05/09/2013, 16:11
The Potential of Biofumigants as Alternatives to Methyl Bromide for the Control of Pest Infestation in Grain and Dry Food Products
... Intern. Pest Control 25: 10–13. Wilson, L., Shaaya, E. 1999. Natural plant extracts might sub for methyl bromide. Agric. res. 47: 14–15. Winburn, T.F. 1952. Fumigants and protectants for controlling ... fog fumigant for insect control in empty structures, is classified by the US Environ- mental Agency as a possible human carcinogen (Mueller, 1998). Therefore, there is an urgent need for new strategies. ... benzaldehyde (C 7 H 6 O) for the control of stored-product insects. During previous centuries, traditional agriculture in developing countries has developed effective means for insect control using botanicals....
Ngày tải lên: 25/10/2013, 05:20
Alternative Processing Technologies for the Control of Spoilage Bacteria in Fruit Juices and Beverages
... strategy for microbial control and ensuring shelf life and safety of fruit juice and beverages. 5–7 P ASTEURIZATION 16,31,32 Pasteurization of fruit and vegetable juice products has been applied for many ... pump to generate high pressure process òuid for system compression, and system controls and instrumentation. 31 These batch system steps are rearranged for use to treat unpackaged liquid foods, such ... used for home ovens, and both are used in industrial heating. Microwave heating for pasteurization and sterilization is preferred to conventional heating primarily because it is rapid and therefore...
Ngày tải lên: 25/10/2013, 21:20
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... compatible voltage supply for the motor controller that will be used for this thesis. ã Induction motor. Three-phase, 0.5kW, 4-pole machine. This induction motor is only used for the prototype design ... drawn by the induction motor form the feedback portion of the design. Hence, the major aim of this thesis project is to develop a control strategy for the DSP controller that controls the torque ... principles for an induction motor An induction motor is an asynchronous AC (alternating current) motor. The least expensive and most widely used induction motor is the squirrel cage motor. The...
Ngày tải lên: 27/10/2013, 23:15
Intrathecal baclofen for the control of spinal and supraspinal spasticity
... Intrathecal baclofen for the control of spinal and supraspinal spasticity 189 The average ITB dose rate required is lower for the walking group than for the nonwalking group. As for other patient ... have been implanted for the relief of severe lower limb spasticity and flexor spasms. The goals then are improved comfort and wheelchair posture, Intrathecal baclofen for the control of spinal ... Rushton Figure 10.3. Hand-held programmer for use in pump adjustment and refill. (From Medtronic Ltd., with permission.) Akmann, 1996). For SCI patients as for MS patients, FIM score is found to...
Ngày tải lên: 01/11/2013, 10:20
