Anatoy of a Robot

... outlines a coordinated approach to the selection of a processor, a battery, a power supply, operating software, and appli- cation software. Included are many software techniques that have proven successful, ... Sam’s nominal reward was a kit for a bigger robot, but I think he walked away with much more than that. After the race, Sam was eager to know how I knew the solution. I...

Ngày tải lên: 27/10/2013, 22:15

... by taking advantage of some of the capacitance under the transistor. A capacitor is basically a place to store electrons. The number of electrons in the capacitor determines whether a binary ... These hardware structures povide both increased accuracy and faster execution. Arithmetic We’ve seen that one of the central features of a DSP processor is the MAC, a hardware stru...

Ngày tải lên: 19/01/2014, 19:20

... that making the actuator gain as large as possible is desireable. Just be aware that increasing the gain of the actuator adds expense and will adversely affect the dynamic (nonsteady state) behavior ... we have to pick a mechanical model of the robot in order to make a mathe- matical model for it. We will pick an arbitrary model that will probably be different than our robot s actu...

Ngày tải lên: 19/01/2014, 20:20

... course of action for many reasons and management should encourage it. That said, let’s assume you are the newly appointed PM of a new project. Please real- ize you have a large vertical management ... 9 10 CHAPTER ONE FIGURE 1-2 A Gantt chart, a standard project management tool Jul'00 Jul'00Jul'00 Jul'00 Aug'00 Aug'00Aug'00 Aug'00 Sep'0...

Ngày tải lên: 19/01/2014, 20:20

... the data under real time constraints. These constraints often lead to a degradation of the accuracy and the richness of the information. Some constraints are added to the intrinsic draw- backs of ... maximum angular speed of each wheel of the robot (1.58 rad/s). By applying this method, a satura- tion of the growth of the weights is obtained without any degradation of th...

Ngày tải lên: 23/10/2013, 15:15

... log as the most up to date ‘‘truth’’ aboutthe state of the data on disk. The main difference is thatdatabase systems do not use the log as the final repositoryfor data: a separate data area is ... simulator runsuntil all clean segments are exhausted, then simulates theactions of a cleaner until a threshold number of clean seg-ments is available again. In each run the simulator wasa...

Ngày tải lên: 12/09/2012, 15:05

... nature to a data manager which fails to freedata, but is easier to detect and prevent.• Data manager changes data. A malicious data manager may change the value of its data on each cacherefresh. ... starvation by errant data managers.Because the interface to the default pager is identical to other external data managers, there are no fundamentalassumptions made about the nature of sec...

Ngày tải lên: 12/09/2012, 15:05

... three times the amount of data as TDMA•Transmissions are much harder to eavesdrop on A would-be eavesdropper must also know the exact chip in which the transmission starts 20Transmission Direction•Simplex ... (TDMA)–Divides the transmission time into several slots–Each user is assigned the entire frequency for the transmission•For a fraction of time on a fixed, rotating basis–Advanta...

Ngày tải lên: 13/09/2012, 10:52

... Iliffe was Professor of African History at the University of Cambridge and is aFellow of St. John’s College. He is the author of several books on Africa, includingAmodern history of Tanganyika and ... and created maritimelinks with eastern and central Africa. Yet this path of historical developmentwas aborted by a population catastrophe, the Black Death, which threw NorthAfrica...

Ngày tải lên: 21/09/2012, 10:39