AN1078 sensorless field oriented control of a PMSM

... develop a controller for temperature control inside a room within a desired band of temperatures for comfort The details of the geometry of the room and the HVAC system based on displacement ventilation ... disadvantages of the DMC controller First, the DMC controller is a local controller which can only guarantee the stability of the...

Ngày tải lên: 05/09/2013, 16:11

... therefore in this paper a new transformation which preserves the same advantages as the Park transformation A Mathematical Model of the BDCM We suppose that the motor has the following typical features ... pulsating torque (the homopolar part) and a two-phase motor with a rotating field (the "ap" The classical Park transformation is, in fact, the succ...

Ngày tải lên: 03/01/2014, 19:44

... grad r dually as a re esult of the c controllable dc link volta as indica in the ri age ated ight hand sub b diagram d Figure capacitor v voltage of the output filt with unbalanced load and controlled ... small compared to the dc voltage portion, so that it does not affect the output voltage References [1] Takao Kawabata, Takeshi Miyashita and Yushin Yamamoto, "Digital...

Ngày tải lên: 19/01/2014, 02:20

... consisted of the a-Fe2O3 Fig The I–V characteristics of (a) the ITO /a-Fe2O3 film /a-Fe2O3 NW/ CAFM-tip structure and (b) the ITO /a-Fe2O3 film /CAFM-tip structure Fig The CAFM images of (a) morphology and ... 108 NWs/cm2 123 332 Fig (a) TEM image of an a-Fe2O3 NW, (b) HR-TEM image of the a-Fe2O3 nanowire, and the SAED pattern of the a-Fe2O3 NW (inset) for sample C,...

Ngày tải lên: 20/03/2014, 13:08

... doi:10.1186/1743-0003-7-16 Cite this article as: Matrone et al.: Principal components analysis based control of a multi-dof underactuated prosthetic hand Journal of NeuroEngineering and Rehabilitation 2010 7:16 Submit ... Ferrata 1, 27100 Pavia, Italy 2ARTS Lab, Scuola Superiore Sant’Anna, V.le Piaggio 34, 56025 Pontedera (PI), Italy 3EUCENTRE Foundation, Via Ferrata 1, 27...

Ngày tải lên: 19/06/2014, 08:20

... Force–feedback interaction with a neural oscillator model: for shared human–robot control of a virtual percussion instrument Edgar Berdahl∗ (edgar.berdahl@imag.fr), Claude Cadoz (claude.cadoz@imag.fr) ... Using a mechanical analog parameterization, we derive a force–feedback model structure that enables a human to share con- trol of a virtual percussion...

Ngày tải lên: 21/06/2014, 17:20

... consisted of the a-Fe2O3 Fig The I–V characteristics of (a) the ITO /a-Fe2O3 film /a-Fe2O3 NW/ CAFM-tip structure and (b) the ITO /a-Fe2O3 film /CAFM-tip structure Fig The CAFM images of (a) morphology and ... 108 NWs/cm2 123 332 Fig (a) TEM image of an a-Fe2O3 NW, (b) HR-TEM image of the a-Fe2O3 nanowire, and the SAED pattern of the a-Fe2O3 NW (inset) for sample C,...

Ngày tải lên: 22/06/2014, 01:20

... recapitulate IRES activity A possible caveat is that the transfected RNAs may fail to interact with necessary IRES-transacting factors (ITAFs) in the nucleus An alternative approach to measure ... independently of an increase in total gag mRNA abundance or cytoplasmic accumulation The increase in translational utilization of the RNA was conferred specifically by CTE, since rep...

Ngày tải lên: 13/08/2014, 05:21

... A dynamically-controlled, holonomic mobile robot is particularly desirable in a mobile manipulation system for many reasons A holonomic robot makes for easier gross motion planning and navigation ... and to the work of all the individuals stable platform for mobile manipulation there, especially Anthony del Balso, Rich Legrand, We have also described a new ap...

Ngày tải lên: 26/10/2014, 14:32

... vector không gian ñư c s d ng ñ ñi u n ñ ng cơ, có hai phương pháp chính: + ði u n ñ nh hư ng trư ng (Field Oriented Control) bao g m: phương pháp ñi u n vectơ tr c ti p (Direct Vector Control) phương ... “h p ñen”) K t h p tính ưu vi t c a phương pháp ñi u n khác nhau, lu n văn trình bày k thu t “ði u n ñ ng không ñ ng b theo phương pháp FIELD ORIENTED CONT...

Ngày tải lên: 31/07/2015, 21:49

... Raja Ismail, M .A Ahmad, M.S Ramli, F.R.M Rashidi, Nonlinear Dynamic Modeling and Analysis of a 3-D Overhead Gantry Crane System with Payload Variation, ems, pp.350354, 2009 Third UKSim European ... uncertainties in crane dynamics Adaptive controller for 2D modeling overhead crane with the friction force model (Aschemann, 2000) was proposed by Ma, Fang & Zhang (2008) An ad...

Ngày tải lên: 16/08/2015, 15:47

... North Carolina, USA, 2005 B Yin, R Oruganti, S K Panda, and A K S Bhat, Performance comparison of voltage mode control and current mode control of a three- phase PWM Rectifier based on a dual SISO ... distribution of single phase loads Voltage imbalances due to imbalances in phase loads can be particularly severe if large single phase loads, such as arc furnaces...

Ngày tải lên: 11/09/2015, 16:04

... (similar to that of the Macro manipulator) , small tracking and steady state errors (similar to that of the Mini manipulator) Thus, the combined system has taken full advantage of the Macro and Mini ... computational/software models of the Macro and the Mini manipulators separately, analyzing their kinematics, dynamics; Simulating trajectory tracking / position control...

Ngày tải lên: 03/10/2015, 21:56

... (similar to that of the Macro manipulator) , small tracking and steady state errors (similar to that of the Mini manipulator) Thus, the combined system has taken full advantage of the Macro and Mini ... computational/software models of the Macro and the Mini manipulators separately, analyzing their kinematics, dynamics; Simulating trajectory tracking / position control...

Ngày tải lên: 04/10/2015, 07:58

... hardware, (2) walking control and (3) artificial intelligence CHAPTER 2: LITERATURE REVIEW 2.1 Mechanical Design and Hardware In the area of mechanical design, one of the important areas is ... normal gearbox remains the common selection by small size humanoid robots as they are usually integrated with motors as a compact package by the manufacturer and are much cheape...

Ngày tải lên: 04/10/2015, 10:25