... to "adapt" to new environments, behavioral inheritance allows substates to "mutate" by adding new behavior or by overriding existing behavior Nested states can add new behavior by adding new state ... the Visual Basic Calculator because they turn out to be emblematic of inconsistencies in handling modal behavior Most of the time, the calculator correctly adds, subtracts, multiplies, and divides ... UML−compliant) When it comes to diagrams and other visual models, QP shares the commonsense view of Agile Modeling [Ambler 01] The most important role of visual models is to help you think through the...
Ngày tải lên: 12/08/2014, 21:21
... PROJECT REVIEWS (SCHEDULED) The PM should schedule regular project reviews with senior advisors and colleagues Some reviews are called for in the project schedule and checklist Other reviews can ... plan, schedule the review meeting, circulate the plan a day in advance to the reviewers, and preside over the review meeting Sometimes the project plan can be submitted and reviewed in parallel ... two of usable advice A PM should lay out, for all concerned, the following major elements needed to lead a project: I I I I Vision Mission Strategy Tactics The vision is a dream, a view of how the...
Ngày tải lên: 19/01/2014, 19:20
Tài liệu Anatomy of a Robot P2 pdf
... http://www.actwin.com/fish/marine-pics/anchovie.mpg As some tuna come in to attack, the school instantly swerves, divides, and coalesces as if by magic It’s a viable survival tactic for the herring How ... approval: Project resources assigned: Spec reviewed: HLD reviewed: PPP reports (enumerate dates): Design reviews (as scheduled): Acceptance ... SYSTEMS 31 I Moving mass (kinetic energy) The energy in a moving mass is E ϭ 0.5 ϫ m ϫ v2 I where m is the mass, which will be described later in the book v is the velocity Note that a moving mass...
Ngày tải lên: 19/01/2014, 20:20
Tài liệu Anatomy of a Robot P1 ppt
... Proposal and Review Write the Project Plan and Review Find Project Resources By Week Write Functional Specifications and Review By Week Write High Level Design Docs (HLD) and Review (Both Optional) ... plan, schedule the review meeting, circulate the plan a day in advance to the reviewers, and preside over the review meeting Sometimes the project plan can be submitted and reviewed in parallel ... two of usable advice A PM should lay out, for all concerned, the following major elements needed to lead a project: I I I I Vision Mission Strategy Tactics The vision is a dream, a view of how the...
Ngày tải lên: 19/01/2014, 20:20
Tài liệu The Anatomy of a Large-Scale Hypertextual Web Search Engine ppt
... make it possible to find anything easily According to Best of the Web 1994 Navigators, "The best navigation service should make it easy to find almost anything on the Web (once all the data ... homepage, like Yahoo’s which currently receives millions of page views every day with an obscure historical article which might receive one view every ten years Clearly, these two items must be treated ... and searching will be examined in depth 4.1 Google Architecture Overview In this section, we will give a high level overview of how the whole system works as pictured in Figure Further sections...
Ngày tải lên: 24/01/2014, 20:20
Anatomy of a Health Scare: Education, Income and the MMR Controversy in the UK doc
... analysis of this data while Section V provides further evidence based on the cohort survey data Finally, Section VI provides a discussion II Background Literature Review Two theoretical models are often ... contradictory; experimental evidence (Viscusi, 1997) suggests that individuals may give undue weight to high risk information while low risk information, especially when provided by the government, ... uptake behavior, differed among groups of parents with different levels of education and income The case of the MMR controversy provides a useful case for studying individuals’ behavioral responses...
Ngày tải lên: 22/03/2014, 14:20
the broadband problem anatomy of a market failure and a policy dilemma
... undemanding, service provided on every line, alongside many others, including videotelephony, videoconferencing, and high-speed Internet access While the aggregate price of services provided over ... oriented primarily to voice service and referred to providers of Internet and data services as “enhanced service providers,” or ESPs.) Both the local telephone and cable television networks were—and ... not by voice service but by high-speed Internet access, entertainment audio, entertainment video, games, videotelephony, home office videoconferencing, Internetbased information services, and other...
Ngày tải lên: 03/06/2014, 00:55
ANATOMY OF A ROBOT CHARLES M. BERGREN ppt
... PROJECT REVIEWS (SCHEDULED) The PM should schedule regular project reviews with senior advisors and colleagues Some reviews are called for in the project schedule and checklist Other reviews can ... plan, schedule the review meeting, circulate the plan a day in advance to the reviewers, and preside over the review meeting Sometimes the project plan can be submitted and reviewed in parallel ... two of usable advice A PM should lay out, for all concerned, the following major elements needed to lead a project: I I I I Vision Mission Strategy Tactics The vision is a dream, a view of how the...
Ngày tải lên: 27/06/2014, 18:20
Anatomy of a Robot Part 1 ppsx
... Proposal and Review Write the Project Plan and Review Find Project Resources By Week Write Functional Specifications and Review By Week Write High Level Design Docs (HLD) and Review (Both Optional) ... fiction movie partially based on Shakespeare’s play The Tempest I won’t give away the movie’s plot, but suffice it to say that a bright human gains control of a robot built by an advanced civilization ... the basic behavior of a second order-control system, a good model for the behavior of many robotic systems The text explains the math needed to understand and control system behavior Specific...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 2 pptx
... PROJECT REVIEWS (SCHEDULED) The PM should schedule regular project reviews with senior advisors and colleagues Some reviews are called for in the project schedule and checklist Other reviews can ... two of usable advice A PM should lay out, for all concerned, the following major elements needed to lead a project: I I I I Vision Mission Strategy Tactics The vision is a dream, a view of how the ... plan, schedule the review meeting, circulate the plan a day in advance to the reviewers, and preside over the review meeting Sometimes the project plan can be submitted and reviewed in parallel...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 4 pps
... behave the same way and it’s all part of the joy of living The result is that instabilities might develop with severe vibrations or even wild behavior (This sounds more like my family by the minute.) ... direction than the other I A spring system that puts two springs into service when moving one way, but releases one spring when moving the other way 56 CHAPTER TWO I I An object with a ratchet mechanism ... generally found inside the coil spring of each wheel These shock absorbers are filled with a viscuous fluid and provide a resistance to motion as the tires bounce over potholes They exhibit a fluid friction...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 5 ppt
... so gravity bends space around an intervening star in any direction (360 degrees), gravitational lenses often provide an image of a star as a ring or arc of light Some nice examples of gravitational ... presence of gravity; it actually falls Gravity is this bending light But if we maintain that light must travel in a straight line at a constant speed, then we must conclude that gravity bends space ... manifestation of gravity bending light and has been called a gravitational lens Since starlight can bend CONTROL SYSTEMS 71 STAR STAR Bending Light Multiple Images FIGURE 2-34 A gravitational lens...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 6 pot
... CAS cycles The only drawback of such activity is that it makes it difficult to monitor the actions of the processor externally by just observing the activity on the memory address lines COMPUTATION ... machines provide floating-point instructions, which can greatly speed up some algorithms Others provide communication instructions such as the computation of ECC polynomials and Viterbi codes ... 30 percent from data moving across it, consider a faster computer, a wider memory bus, or DMA transfers Video Bus Many computer systems are used to process vast amounts of video or graphics data...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 7 doc
... generally thought of as portable devices, clunking away their existence in dusty, poorly lit industrial cubicles to satisfy the peevish desires of their slavish masters (Does this hit home? I ... considerations, let’s list the topics from the previous discussion: I I I I I I I Vibration Shock Temperature Gyroscopic torque Spin-up time Longevity Error rates 112 CHAPTER THREE I I Removable ... consider all the same issues I I I I I I I I I Vibration Printers not only may malfunction in the presence of vibration and shock, but they also generate vibration and shock and distribute it throughout...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 9 pps
... power-saving measures, so no energy API is needed ENERGY AWARE This is a robot that incorporates one or two of the easier energy-saving tricks Perhaps the motors shut down if it’s not moving Not ... process Have the team meet and discuss the welfare of their new offspring Bring in outside advisors for the review meeting who may be able to spot things others cannot Several questions should be addressed, ... this particular case: I I I I I What signals will the mechanics provide to the computer, and what signals will the computer provide to the mechanics? Sit down, draw out, and explain all the major...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 10 pdf
... we’ve mentioned is the handling of the software environment The OS must be capable of storing and retrieving software environments so it can survive power failures During the initial system engineering ... for distributed regulation Instead of having a single power supply in the robot, Vin is distributed throughout the robot and sent to several LDOs, which provide regulated Vout power to different ... between Vin and Vout They are used primarily for the local regulation of voltage or in situations where Vin is very low and Vout must be as high as possible Since the efficiency is high (Vout/Vin),...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 11 pot
... signs) so we not have to deal with cars moving faster than one car length a second Driving past parked cars at one car per second, we sample the cars visually two times a second Per the Sampling ... falls prey to all the difficulties we discussed previously in parallel processing If we watch the pitfalls, we can reap the rewards in energy savings Another example of coordination involves the ... Another interesting article can be downloaded from wwwhome.cs.utwente.nl/ ϳhavinga/thesis/ch2.pdf The author clearly views the world in terms of energy Table in this article seems to indicate the...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 12 pptx
... www.m-w.com/cgi-bin/dictionary A process by which information is exchanged between individuals through a common system of symbols, signs, or behavior St John’s Episcopal Church www.stjohnsdetroit.org/html-stj/06152000newsletter.html ... designing an FIR filter starts with the required shape of the filter transfer function The four previous filters are examples, and we will move forward with the low-pass example The math that follows ... the filter rolloff sharper Also notice that the ripple in the filter is largely unaffected by having more taps Physical Implementation of DSP Filters As we mentioned before, all the DSP techniques...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 13 pps
... Another popular RS code is used in satellite video transmissions The Digital Video Broadcast-Satellite (DVB-S) standard has been standardized on MPEG2 video transmission using, among other codes, ... quantify the received waveform into a symbol space Visualize the symbol space as a multidimensional data space within which the received signal is moving As the amplitude, frequency, and phase of ... have built-in mechanisms for avoiding and/or detecting errors The following PDFs and web site provide a good summary of the advantages and disadvantages of various coding methods: I I I www.elec.mq.edu.au/ϳcl/files_pdf/elec321/lect_lc.pdf...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 14 docx
... Although frequency division systems are viable and work fine, time division and code division systems have stolen the thunder of this technology CODE DIVISION SYSTEMS Code division systems use ... bandwidth are very real TIME DIVISION SYSTEMS Shared access to communications link can be accomplished by dividing the like by time division, frequency division or code division Aloha System The Aloha ... the key to how the Viterbi decoder corrects errors Viterbi Decoder It’s a great oversimplification, but here’s a brief explanation of how the Viterbi decoder corrects errors The Viterbi decoder...
Ngày tải lên: 10/08/2014, 01:22