questions for a feedback form

... aggregate, provided after multiple actions are completed Aggregate data visualizations, such as summaries of patient performance across ten reaches, can facilitate overall assessment and comparison ... representation can form the basis for quantifiable, adaptive, manageable re-learning of the relationships among action goal, activity and body func- tions within i nteractive stroke rehabilitation. For ... (establishing a familiar goal) and at the end (rewarding a successful reach). Because abstract media-based feedback does not reflect a specific situation grounded in physical reality, it can be applied

Ngày tải lên: 19/06/2014, 08:20

... evaluation information and interactive audiovisual feedback on the performance of areach and grasp task for the upper extremity rehabilita-tion of stroke survivors See additional file 1: AMRR ... Visual and audio feedback is presented on a large screen display with stereo speakers in front of the participant While seated at the table, the participant performs a reaching task to a physical ... media-based feedback Design of Interactive media-based feedback The interactive media-based feedback of the AMRR sys-tem provides an engaging medium for intuitively com-municating performance and

Ngày tải lên: 19/06/2014, 08:20

... mentioned mathematical parameters calcu-lated from the measured force values For all parameters, the mean values as well as the var-iances were calculated For evaluating the differences in the parameters ... the actual force and its path is displayed as well. Trang 6For the next repetition, he can adapt the movementamplitude to fit within the given path Mathematical parameters to evaluate training ... training situation at home the system is attached to the private PC and presents information about the exercise that has to be performed according to the training plan The training movements are

Ngày tải lên: 19/06/2014, 08:20

... energy and protect the source message against potential attacks The second approach uses more efficiently the available channel feedback and extracts the MUD gain by employing an adaptive PA scheme ... with PA and we discuss the associated lifetime and secrecy performance 3.1 A Constant PA Policy The first approach incorporates the above MUD concept with a constant PA policy and is used as a conventional ... SNRs and then feeds back this information to the base station.) The tracking of the instantaneous channel quality at the source node via a feedback channel has been implemented in several modern

Ngày tải lên: 21/06/2014, 05:20

... same values for α, β, and γ. Note that, for a given scenario and feedback metric, there is an optimal pair of system parametersandMothat max-imizes the sum rate Increasing the value of  relaxes ... systems based on different scalar feedback: Metrics1,2,3, and4, forM = 3 antennas and B = 9 bits For comparison, the performances of random beamforming (RBF) [10] and TxMF with perfect CSIT and exhaustive-search ... metrics may con-tain information such as channel power gain, quantization error, orthogonality factor between beamforming vectors, and/or number of active beams An approximation on the sum rate has

Ngày tải lên: 22/06/2014, 06:20

... that U is a polynomial inRN The second part of the theorem immediately follows from Trang 9Remark 2.9 The class of our stationary operatorsᏸ0also contains “parabolic”-type op-erators like, for ... theorems for a class of linear second-order partial dif-ferential equation with nonnegative characteristic form The theorems we show improve our previous results Copyright © 2007 A E Kogoj and E Lanconelli ... use this formula to prove a scaling invariant Harnack in-equality for the nonnegative solutions ᏸu = f inRN+1 Our first Liouville-type theorems will follow from this Harnack inequality All these

Ngày tải lên: 22/06/2014, 19:20

... Trang 1SECOND-ORDER ELLIPTIC BOUNDARY VALUEPROBLEMS IN DIVERGENCE FORM CRISTIAN ENACHE Received 22 January 2006; Accepted 26 March 2006 For a class of nonlinear elliptic boundary value problems ... for some particular cases of the boundary value problems (1.1)-(1.2) have been considered and investigated by various authors For references on these topics we refer, for instance, to Payne and ... instance, Ladyˇzenskaja and Ural’ceva [5] for an account on this topic Consequently, we will tacitly assume the existence of classical solutions of the problems considered in this paper Maximum principles

Ngày tải lên: 22/06/2014, 22:20

... obtained from a static camera However, when there is camera pan or zoom, or sharp change in illumination, and so forth, the performance may not be satisfactory For example, when there is a pan ... comparison.) Trang 2One of the main motivations for us is that simple motioninformation is adequate for perceiving movement at a level of detail sufficient in many applications Human abilities at ... directions at a few interesting points (e.g., edge points) based on accumulated evidence It is for this reason that we formu-late the model as a dynamical system that updates motion in-formation (rather

Ngày tải lên: 22/06/2014, 23:20

... The lab itself is located in a 1600 square foot trailer at VTTI It contains a scale roadway and several 1/10 scale cars Each car is capable of operating manually or autonomously The cars are described ... effective and safer to use a scale model car rather than a full scale car for initial testing Testing (and repairing after the inevitable crashes!) is also easier on a scale model vehicle Additionally, ... Technical information for the Hall effect sensors 69 6.9 Technical information for the digital camera 71 6.10 Technical information for the ultrasound sensor 72 xi Trang 2The automation

Ngày tải lên: 10/08/2014, 02:20

... restrictions caused by external objects, the car can be located at any position with any orientation, despite lack of sideways movement 11 Trang 3Patricia Mellodge Chapter 3 Mathematical Modeling and Control ... familiar example of a nonholonomic system is demonstrated by a parallel parking maneuver When a driver arrives next to a parking space, he cannot simply slide his car sideways into the spot The car ... defined as c(s) = dθ t ds Trang 6Patricia Mellodge Chapter 3 Mathematical Modeling and Control Algorithm 153.2 Control Law 3.2.1 Path Following There are three possible tasks that the car could perform:

Ngày tải lên: 10/08/2014, 02:20

... φ was averaged over 10 sample periods A threshold of 0.5 was used so that if the calculated curvature was less than 0.5, a c(s) value of 0 was used If the calculated curvature was greater than ... tilt angle, α, are known The tranformation from the car’s frame to the camera’s frame is simply a rotation about the x-axis and is given as follows: However, y is fixed at −d. The coordinates ... estimation methods was simulated using MATLAB This section describes the performance of each method in simulation A MATLAB program environment has been created to simulate the car using the kinematic

Ngày tải lên: 10/08/2014, 02:20

... prominent and located near the center of the image The algorithm was less accurate for images in which the centerline came in at an angle or was located in one small part of the image away from ... roadway is a plane perpendicular to the car’s vertical axis The actual track however, is not flat but contains hills for the car to navigate Because of all these issues, the image processing algorithm ... similar to that used by the FLASH vehicle The car’s methods of measurement and calculation are the same in the simulation as in the hardware However, in the simulation, an ideal path is created for

Ngày tải lên: 10/08/2014, 02:20

... assumed that the inputs are constant over the sampling time, as they are on the actual car Trang 55.2.6 AnimationFinally, the movement is animated to provide a means of viewing the car’s behavior ... The animation toolbox for MATLAB was used for this purpose The animation toolbox utilizes Handle Graphics, MATLAB’s object-oriented graphics system This toolbox allows for ani-mation of any object ... as p. Because the rear sensor array is placed directly below the rear axle, the error obtained from that sensor is taken to be d, the car’s lateral displacement from the path. 5.2.3 Heading Angle

Ngày tải lên: 10/08/2014, 02:20

... infrared and magnetic sensors indicate where the path is located directly beneath the car. The camera provides path information about the area in front of the car. The IR, magnetic, and camera ... algorithm’s performance in the MATLAB simulation environment. The next chapter describes the FLASH car and the hardware implementation of the controller. Patricia Mellodge Chapter 5. Simulation Environment ... intervals,  e becomes Σe and ˙e becomes e k − e k−1 . Patricia Mellodge Chapter 6. Hardware Implementation 59 Figure 6.4: Format for the standard servo PWM control signal. Generating PWM Signals

Ngày tải lên: 10/08/2014, 02:20

... received word are configuration bits and therefore must be masked out The value in dist is now available to the main C program. Data Bus Operation To read data from a peripheral, the program also utilizes ... serial port Trang 3Figure 6.5: DSP program flow.Trang 4Patricia Mellodge Chapter 6 Hardware Implementation 63on the DSP and allows for data to be transmitted and received serially Signals can ... variable for use later Access to the hardware is done using assembly language functions directly The assembly language functions are called from C and the bus data gets put into a C variable

Ngày tải lên: 10/08/2014, 02:20

... performance of the controller under various conditions Unfor-tunately, the car does not have any data logging and the variables that it calculates as it is driving are not available for analysis ... were similar, the car was unstable on the straightaways While the variables calculated by the estimator are not available, it is known that when the car oscillates, the value of c is oscillating ... the performance So another approach was tried It was required that the value of ˆa be above or below the threshold for a certain number of sampling times before the curvature value was changed

Ngày tải lên: 10/08/2014, 02:20

... Trang 1Patricia Mellodge Chapter 7 Conclusions 80Finally, the lateral controller was implemented in hardware The vehicle platform was de-scribed and the hardware and software architecture detailed ... Crash Data from the Fatality Analysis Reporting System and the General Estimates System,” DOT HS 809 337, U.S Department of Transportation, National Highway Traffic Safety Administration, National ... v1*cos(theta_p(i))+v1*d*tan(phi0)/L-theta_p_dot*d; y_hat = w*a_hat; e = y_hat-y; E(i) = e; P = 1/(prev_P+w*w*T); prev_P = w*w*T; a_hat_dot = -w*e*P; a_hat = a_hat+a_hat_dot*T; A_hat(i) = a_hat; P_cum(i)

Ngày tải lên: 10/08/2014, 02:20

... Heading angle (radians) float c; // Curvature (1/meters) float x2,x3,x4; // Chained form variables float u2; // Transformed steering angular velocity float v1,v2; // Actual control inputs (rad/s,m/s) ... estimator float a_hat_dot; float theta_p_dot; // Derivative of theta_p float theta_p_prev; // Previous value of theta_p float w; float y; float y_hat; float P; float P_prev; float e; float v1_actual; ... left_bank<<8; right_bank = input&0xFF00; right_bank = right_bank>>8; back_array = left_bank|right_bank; back_array = back_array>>2; back_array = back_array&0xFFF; /*********************************/

Ngày tải lên: 10/08/2014, 02:20

... string is passed to a DataAdapter control, filling a data table. From there, the data is displayed when the data source of the DataGrid control is set to the data table. Users can change the ... System.EventArgs) Handles btnView.Click Dim odaDisplay As OleDb.OleDbDataAdapter Dim dtDisplay As New DataTable() Try ' Take the txtSQLString text and create a data table. Then ... class module for the form, add the following Private declaration just below the line of code that reads Web Form Designer Generated Code: 4. Private mdtDisplay As DataTable 5. On the Web Form, ...

Ngày tải lên: 26/01/2014, 11:20

... adverbs and arti- cles. Commas are a favor to the reader, not always necessary. Elimi- nate personal pronouns. When all else fails, invent a tag .A great tag works as the target of a search, and ... operational for more than a year when man- agement decided to create an account to represent the company itself. It became apparent that a single account to transmit infor- mation to users was ... specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. No warranty may be created or extended by sales representatives or written sales materials. The advice...

Ngày tải lên: 19/02/2014, 21:22