Download Green Electronics/Green Bottom Line. Environmentally by Lee H. Goldberg and Wendy Middleton (Eds.) PDF

By Lee H. Goldberg and Wendy Middleton (Eds.)

  • 'The publication provides a concise account of the most recent suggestions and advancements within the rising self-discipline of layout for setting. The editor may be recommended at the type of the e-book. it's a hugely readable account of the topic with every one bankruptcy being a good offered contribution to the literature. participants comprise working towards engineers from well-know firms and teachers from prime universities in North the USA and Europe. Even during this fast paced period, i'm certain that this booklet might be pointed out for a very long time. each engineer all in favour of the perform of electronics production and/or layout should still locate this publication very beneficial.' - magazine of Electronics production, Vol. nine, No.1 . . .an first-class advent to environmentally in charge engineering. -EDN journal ED This publication offers you helpful info so that you can use now, case reviews that labored, and ideas approximately destiny traits. -EDN journal ED . . .it supplies good engineering info and recommendation. -Test & dimension international i have by no means noticeable this kind of entire choice of useful information regarding designing with the earth's surroundings in brain. -Test & size international The e-book is definitely definitely worth the small fee, in reality the ebook cost might have been better . . . -Newton advertising and marketing

Content:
Acknowledgments

, Pages xi-xii
Preface

, Pages xv-xviii
- creation: when you imagine schooling is pricey, attempt ignorance!: An interview with Dr. Amory lovins on know-how, the surroundings, and the existential pleasures of whole-system engineering

, Pages 3-12, Lee H. Goldberg
Chapter 1 - Designing energy-efficient computers utilizing built-in strength management

, Pages 15-28, Gary Smerdon
Chapter 2 - strength effective three-phase AC motor drives for equipment and business applications

, Pages 29-42, Radim Visinka
Chapter three - A high-voltage strength issue controller is helping increase strength quality

, Pages 43-56, Ondrej Pauk, Petr Lidik
Chapter four - Designing high-efficiency DSP-based motor controls for buyer goods

, Pages 57-65, Aengus Murray
Chapter five - layout for Disassembly, Reuse, and Recycling

, Pages 69-82, Pitipong Veerakamolmal, Surendra Gupta
Chapter 6 - Defining Electronics Recycling

, Pages 83-90, Craig Boswell
Chapter 7 - Sensor-based info recording for recycling: A inexpensive know-how for embedded product self-identification and standing reporting

, Pages 91-101, Markus Klausner, Wolfgang M. Grimm, Arpad Horvath
Chapter eight - A Survey of DfE software

, Pages 105-112, Joan Williams
Chapter nine - layout for surroundings: a published circuit board meeting example

, Pages 113-122, Sudarshan Siddhaye, Paul Sheng
Chapter 10 - towards built-in product life-cycle layout tools

, Pages 123-130, Brian Glazebrook
Introduction: digital production strategies and the environment

, Pages 133-134, Christopher Rhodes
Chapter eleven - collection of plastics utilizing rate, structural, and environmental factors

, Pages 137-142, William Trumble
Chapter 12 - Battery choice and application—environmental considerations

, Pages 143-150, George L. Yender
Chapter thirteen - imposing eco-friendly revealed wiring board manufacturing

, Pages 153-160, Holly Evans, John W. Lott
Chapter 14 - No-lead solder assembly

, Pages 161-170, William Trumble
Chapter 15 - Chemical conversion coatings on digital equipment

, Pages 171-175, William Trumble
Introduction: Musings prior to a brand new dawn

, Pages 179-181, Ted D. Polakowski
Chapter sixteen - DfE for engineering managers: Making it count-DfE and the ground line

, Pages 185-192, Jill Matzke
Chapter 17 - Making it happen—DfE implementation

, Pages 193-199, Jill Matzke
Chapter 18 - Getting the maths correct: actual costing via product existence cycles

, Pages 201-214, Kelly Weinschenk
Chapter 19 - layout for environment—A eu logistics perspective

, Pages 215-224, Carsten Nagel
Chapter 20 - assembly the letter and spirit of environmental administration utilizing the ISO 14001 standard

, Pages 227-243, James Lamprecht
Chapter 21 - ISO 14001 for the surroundings and your backside line

, Pages 245-252, Jim Hart
Chapter 22 - past ISO 14000: ST microelectronics as a case learn in environmental leadership

, Pages 253-256, Carol Brown
Introduction

, Pages 259-263, Lee H. Goldberg
Chapter 23 - Designing a greater the next day to come this present day with self-disassembling electronics

, Pages 267-280, Joseph Chiodo, Eric H. Billett
Chapter 24 - Ultralight hybrid vehicles—principles and design

, Pages 281-296, Timothy C. Moore
Chapter 25 - the surroundings and nanotechnology

, Pages 297-301, Di Rodi Vincent F.
Appendix A - A case study

, Pages 305-310, William Trumble
Appendix B - Case study

, Pages 311-314, William Trumble, Pat Lawless
Appendix C - Case study

, Pages 315-321, William Trumble
Appendix D - Resources

, Pages 323-324
Appendix E - writer touch Information

, Pages 325-329
Index

, Pages 331-340

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Extra resources for Green Electronics/Green Bottom Line. Environmentally responsible engineering

Sample text

The DC-bus current also must be checked to avoid overcurrent production. Further, the control algorithm may require the analog DC-bus current amount. The current is measured by a current-sensing resistor inserted into the ground path of the DC-bus lines, while an operational amplifier amplifies the sensed voltage. The voltage signal is transferred through an opto-isolation amplifier and compared with the threshold. In case of overcurrent, the comparison circuit generates a fault signal connected to the fault input of the microcontroller PWM unit.

Ocess" g I I I I.! 1 . ~ ! Speed ~. Controllerl '- "1 Actual Speed v, Hz . _ Dead Time . I I I I Speed I Sensing ................... Speed Input I... i -I-LFL-I-I i Processing Capture I-" I I ' I.. Motorola MC68HC908MR24 Microcontroller FIGURE 2-7 . I I ADC i I I Processing I ' Speed I Command I,_1 Speed i " I Ramp Three-Phase PWM Output Software block diagram. I J 40 GREEN ELECTRONICS controller generates a motor frequency based on the speed error signal to eliminate motor slip. Thus, under steady-state conditions, the actual motor speed equals the required one.

In this design, IGBTs with a free-wheeling diode were chosen. Their good current characteristics and relatively high frequency response enable the designer to drive the motor efficiently with a 16-20 kHz PWM frequency that is above the audible noise limit. Figure 2-2 shows a basic schematic of the inverter. Except for the described devices, the power stage includes high-voltage IGBT drivers that drive the power devices. Feedback Sensors The proper operation of the control system requires collection of feedback signals that are accurate representations of DC-bus voltage, DC-bus current, and motor speed.

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