Anatomy of a Robot Part 7 doc

... recorded are more than sufficient to allow a proper read of the data. ■ Bad disk surface HDs also have a mechanism to avoid bad spots on the disk surface. A separate place exists in the HD surface ... MTTF of a large PCB, for instance, perform the following steps: 1. Obtain the Bill of Material (BOM) for the board, the list of parts, and the quan- tity of each. 2. Make a s...

Ngày tải lên: 10/08/2014, 01:22

... concentrated bursts. An interleaver takes adjacent data and moves them apart, much like a deck of cards is shuffled. The data is not expanded, just rearranged. The encoder can interleave the data before ... state changes is accumulated back a few cycles. ■ Outputs data As the decoder state machine changes states, it triggers an exam- ination of the historical state change data. If the...

Ngày tải lên: 10/08/2014, 01:22

... Let’s assume the following: The bike chassis, without the wheels, has a mass of W1. Each wheel has a mass of W2 and has a radius of R. The bike will accelerate to a speed of V. The energy of a mass ... 216 arithmetic capabilities, computer hardware and, 1 17 array processors, 84 assembly language, 99–100 authentication, 2 67 automation, high level design and, 148–151 ava...

Ngày tải lên: 10/08/2014, 01:22

... title: 0- 07- 1416 57- 9 All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion ... the selection and design of robotic software. The chapter outlines a coordinated approach to the selection of a processor, a battery, a power supply, operating software,...

Ngày tải lên: 10/08/2014, 01:22

... 4/ 17/ 03 11:23 AM Page 15 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 ... Connectors and all package breakouts ■ Preliminary layout and plans for the board fabrication. ■ Compliance issues ■ Software considerations: ■ Block diagram of major software modules ■ Pe...

Ngày tải lên: 10/08/2014, 01:22

... have already seen that altering v and d can substantially change the performance of the robot. Further, altering these parameters offers a reliable way to change just one type of behavior at a time ... all the parts of the robot. The robot might rip off a vital part if it accelerates too fast. More on this later. ■ Mechanical wracking The robot will change shape as it acc...

Ngày tải lên: 10/08/2014, 01:22

... companies have probably written software that takes advantage of the special features of the computer. We can purchase this software and use it in various ways: ■ Freeware Often an author of software ... tech- nology available for our use. We gain time, dollars, and reliability by sharing and taking advantage of their effort. Because the technology has been made so readily available t...

Ngày tải lên: 10/08/2014, 01:22

... speed). PCI has become an industry standard. Many board manufacturers and many chip manufacturers have adopted it. If the robot s computer supports the PCI bus, many third-party boards will be available ... 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 str...

Ngày tải lên: 10/08/2014, 01:22

... require 0.8 17 watt-hours of energy and the battery can contain 1.8 watt hours. We have a margin of about 2 to 1. That’s not too bad, hauling a robot the size of a 12-year-old boy up a long ladder with ... software. What advantages accrue to the design team? First of all, we will only need standard rechargeable batteries as sold in the store. We will not need special batter...

Ngày tải lên: 10/08/2014, 01:22

... German and to the back translated. Before you regard a robot translator establishing, read ENERGY CONTROL AND SOFTWARE 173 07_ 200256_CH 07/ Bergren 4/10/03 3:30 PM Page 173 Consider a real example. ... to put away all the volatile data that will be lost during the power failure. Flash memory, battery- backed Random Access Memory (RAM), and disks are all good places to put the data....

Ngày tải lên: 10/08/2014, 01:22