Conference Session

Technical Session III

Collection

2018 FYEE Conference

Authors

Suzanne Keilson, Loyola University Maryland; Lynne C Elkes, Loyola University Maryland

Tagged Topics

FYEE Conference Sessions

Paper ID #24440Life Cycle Assessment and Economics in First Year EngineeringDr. Suzanne Keilson, Loyola University Maryland Suzanne Keilson is a faculty member at Loyola University Maryland. Her background and degrees are in Applied Physics and her research interests include signal processing, biomedical and materials en- gineering, design and STEM education. She has taught for the past twenty years, including in special cross-disciplinary first year programs. She is a frequent presenter at a variety of conferences and venues, is an active member of ASEE and the Mid-Atlantic section as well as both ASME and IEEE.Prof

Conference Session

Technology Integration in the Classroom

Collection

2008 Annual Conference & Exposition

Authors

Sheng-Jen Hsieh, Texas A&M University

Tagged Divisions

Manufacturing

AC 2008-1546: ANALYSIS OF VERBAL DATA FROM AUTOMATED SYSTEMDESIGN PROBLEM-SOLVINGSheng-Jen Hsieh, Texas A&M University Dr. Sheng-Jen (“Tony”) Hsieh is an Associate Professor in the College of Engineering at Texas A&M University. He holds a joint appointment with the Department of Engineering Technology and the Department of Mechanical Engineering. His research interests include engineering education, cognitive task analysis, automation, robotics and control, intelligent manufacturing system design, and micro/nano manufacturing. He is also the Director of the Rockwell Automation laboratory at Texas A&M University, a state-of-the-art facility for education and research in

Conference Session

DELOS Best Paper Nominations

Collection

2008 Annual Conference & Exposition

Authors

Jason Yao, East Carolina University; Loren Limberis, East Carolina University

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

AC 2008-843: A PROJECT-DRIVEN APPROACH TO TEACHING CONTROLS INA GENERAL ENGINEERING PROGRAMJason Yao, East Carolina University Dr. Jianchu (Jason) Yao joined the Department of Engineering at East Carolina University as an Assistant Professor in August, 2005. He received a B.S. and M.S. degrees in electrical engineering from Shaanxi university of Science and Technology, China, in 1992 and 1995, respectively, and the Ph.D. degree in electrical engineering from Kansas State University in 2005. His research interests include wearable medical devices, telehealthcare, bioinstrumentation, control systems, and biosignal processing. His educational research interests are laboratory/project-driven

Conference Session

Design Project Based Learning

Collection

2008 Annual Conference & Exposition

Authors

Vernon Ulrich, Grove City College

Tagged Divisions

Mechanical Engineering

AC 2008-2039: RATING CAPSTONE DESIGN STUDENTS ON AN INDUSTRIALSCALEVernon Ulrich, Grove City College Dr. Vern Ulrich has 19 years of design engineering experience in the printer industry working first for Xerox and more recently for Lexmark after earning a PhD in 1999. Since 2005, he has been an Associate Professor of Mechanical Engineering at Grove City College in western Pennsylvania. Page 13.1018.1© American Society for Engineering Education, 2008 Rating Capstone Design Students on an Industrial ScaleAbstractCapstone design for senior engineering students is a required class that focuses on

Collection

2008 GSW

Authors

Maheshwar R Kashamolla; Zayd Leseman; Amit Savkar; Kevin Murphy

identifiedand used to guide our experimental efforts. Initiation of debonding typically occurs around anynatural frequency of the system. However, there also exist distinct regions between resonantfrequencies where harmonic excitation may be quite ineffective. This method also showed that thepresence of vibration nodes limits the effectiveness of the method of repair. Proceedings of the 2008 ASEE Gulf-Southwest Annual Conference The University of New Mexico – Albuquerque Copyright © 2008, American Society for Engineering Education IntroductionMicro electromechanical systems MEMS are devices which use microfabrication methods

Conference Session

Interdisciplinary Graduate Programs

Collection

2008 Annual Conference & Exposition

Authors

Lyubov Kurkalova, North Carolina A&T State University; Keith Schimmel, North Carolina A&T State University; Stephen Johnston, North Carolina A&T State University

Tagged Divisions

Graduate Studies

Professor of Chemical Engineering, Director of the Energy and Environmental Ph.D. program, and Director of Education and Outreach for the NOAA Interdisciplinary Scientific Environmental Technology Cooperative Science Center at North Carolina A&T State University. He received a B.S. degree in Chemical Engineering from Purdue University. He also holds M.S. and Ph.D. degrees in Chemical Engineering from Northwestern University.Stephen Johnston, North Carolina A&T State University Stephen Johnston is retired after more than thirty years working with the Research Triangle Institute (RTI), his last position being Director of RTI’s Public Utility Economics program. He received a B.S

Conference Session

Trends in Mechanical Engineering I

Collection

2009 Annual Conference & Exposition

Authors

Charles Forsberg, Hofstra University

Tagged Divisions

Mechanical Engineering

14.1306.1© American Society for Engineering Education, 2009 Use of the Knowledge and Skill Builder (KSB) Format in a Senior Mechanical Engineering LaboratoryOverviewThis paper discusses the use of the Knowledge and Skill Builder (KSB) format in HofstraUniversity's ENGG 170 laboratory course during the Spring 2008 semester.The current investigation is a fifth-year research project of the NSF-funded MSTP 1, 2Project, "Mathematics Across the Middle School MST Curriculum" . KSBs werepreviously used by the author in a sophomore level Measurements and Instrumentation 3Laboratory course (ENGG 160A) . The success of the KSBs in that

Conference Session

Engaging Students with Creativity and Innovation

Collection

2019 ASEE Annual Conference & Exposition

Authors

Joanne Dera, New Jersey Institute of Technology; Davida Scharf, New Jersey Institute of Technology; Joseph J. Mercuri, New Jersey Institute of Technology; Raymond Patrick Vasquez, New Jersey Institute of Technology

Tagged Topics

Diversity

Tagged Divisions

Engineering Libraries

of Communication and Information in the area of educational assessment and information literacy. She is currently Director of Reference and Instruction at the New Jersey Institute of Technology in Newark, NJ.Mr. Joseph J. Mercuri, New Jersey Institute of Technology Joseph Mercuri is a Technical Reference Librarian at New Jersey Institute of Technology (NJIT). He is the library liaison for the Biological Sciences, Biomedical Engineering, Computer Science, Informatics, Information Technology, and Mathematical Sciences departments.Mr. Raymond Patrick Vasquez, New Jersey Institute of Technology Raymond Vasquez is the Research and User Services Librarian at the New Jersey Institute of Technology. He is also the liaison

Conference Session

College Industry Partnerships Division Technical Session 3

Collection

2018 ASEE Annual Conference & Exposition

Authors

Robert J. Durkin, Indiana University-Purdue University of Indianapolis; Paul Yearling P.E., Indiana University Purdue University, Indianapolis

Tagged Divisions

College Industry Partnerships

two US patents. He is an alumnus of Indiana Institute of Technology, and the University of Notre Dame; where he graduated Magna cum Laude.Dr. Paul Yearling P.E., Indiana University Purdue University, Indianapolis Paul Yearling Education: PhD. Major: Mechanical Engineering, Minor: Applied Mathematics Profes- sional Engineer License Certifications: Lean Six Sigma Black Belt Current Position: Associate Chair Engineering Technology and Mechanical Engineering Technology Program Director Industrial Experience Over 20 years of industrial experience initially as a Royal Naval Dockyard indentured craftsman machinist and Design Draftsman and project manager on Leander class Steam Turbine Naval frigates and diesel

Conference Session

Curriculum and Assessment I

Collection

2019 ASEE Annual Conference & Exposition

Authors

Reza Sanati-Mehrizy, Utah Valley University; Kailee Parkinson, Utah Valley University; Elham Vaziripour, Utah Valley University; Afsaneh Minaie, Utah Valley University

Tagged Topics

Diversity

Tagged Divisions

Computing and Information Technology

Professor and Chair of Engineering Department at Utah Valley University. She re- ceived her B.S., M.S., and Ph.D. all in Electrical Engineering from University of Oklahoma. Her research interests include gender issues in the academic sciences and engineering fields, Embedded Systems De- sign, Mobile Computing, Wireless Sensor Networks, Nanotechnology, Data Mining and Databases. c American Society for Engineering Education, 2019 Data Mining Course in Undergraduate Computer Science CurriculumAbstractData Mining combines tools from statistics, neural networks, and machine learning with databasemanagement to analyze large data sets. It is a well-researched area of computer science with highdemand due to its

Conference Session

Energy Conversion and Conservation Division Technical Session 1

Collection

2019 ASEE Annual Conference & Exposition

Authors

Matthew R. Aldeman, Illinois State University

Tagged Divisions

Energy Conversion and Conservation

in the U.S. Navy as a nuclear propulsion officer and leader of the Reactor Electrical division on the aircraft carrier USS John C. Stennis. Matt is an honors graduate of the U.S. Naval Nuclear Power School and holds a B.S. in Mechanical Engineering from Northwestern University, a Master of Engineering Management from Old Dominion University, and a Ph.D. in Mechanical and Aerospace Engineering from the Illinois Institute of Technology. c American Society for Engineering Education, 2019 Improving Students’ Understanding of Electromagnetic Principles with an Alternator Design-Build-Test Project Matthew R. Aldeman Illinois State

Conference Session

First-Year Programs: Mathematics in the First Year

Collection

2019 ASEE Annual Conference & Exposition

Authors

Cem Karacal, Southern Illinois University, Edwardsville; Ma Zenia N. Agustin, Southern Illinois University, Edwardsville; George Pelekanos, Southern Illinois University, Edwardsville

Tagged Divisions

First-Year Programs, Mathematics

, quality control, operations research, and facilities layout. He is a senior member of IIE and SME, and a member of ASEE, Alpha Pi Mu and Tau Beta Pi.Dr. Ma Zenia N. Agustin, Southern Illinois University, Edwardsville Dr. Zenia Agustin is a Professor in the Department of Mathematics and Statistics at Southern Illinois University Edwardsville. Currently, she is the Director of General Education and Integrative Studies for the university and Director of the Actuarial Science program for the department. Her research interests include reliability and survival analysis and in particular, goodness-of-fit testing for recurrent events.Prof. George Pelekanos, Southern Illinois University, Edwardsville Dr. George Pelekanos is a

Conference Session

Emerging Computing and Information Technologies I

Collection

2015 ASEE Annual Conference & Exposition

Authors

Smitesh Bakrania, Rowan University; Brad Joseph Johnson, Rowan University

Tagged Divisions

Computing & Information Technology

Paper ID #11538A Cloud-based Tool for Assigning Students to ProjectsDr. Smitesh Bakrania, Rowan University Dr. Smitesh Bakrania is an associate professor in Mechanical Engineering at Rowan University. He re- ceived his Ph.D. from University of Michigan in 2008 and his B.S. from Union College in 2003. His research interests include combustion synthesis of nanoparticles and combustion catalysis using nanopar- ticles. He is also involved in developing educational apps for instructional and research purposes.Mr. Brad Joseph Johnson, Rowan University Brad Johnson is a junior chemical engineering major and computer science minor

Conference Session

ECCD International Outreach

Collection

2015 ASEE Annual Conference & Exposition

Authors

Henry Louie, Seattle University; Steve Szablya, Seattle University; Agnieszka Miguel, Seattle University

Tagged Topics

Diversity

Tagged Divisions

Energy Conversion and Conservation

. She is passionate about active learning and strategies to improve electrical and computer engineering education, as well as increasing the number of women in engineering. She is a PI on an NSF S-STEM ECE Scholars grant, which provides scholarships and academic support to finan- cially needy and academically strong transfer students. Dr. Miguels teaching interests include MATLAB, circuits, linear systems, signal processing, digital image processing, and data compression. Dr. Miguel is a member of the IEEE, ASEE, SWE, and Tau Beta Pi. She has held several officer positions within the American Society for Engineering Education (Campus Representative, 2012-2013 ECE Division Chair, and 2013-2015 Chair Elect of the ASEE

Conference Session

Diversity in Community Engagement Implementation I

Collection

2016 ASEE Annual Conference & Exposition

Authors

Ann-Perry Witmer P.E., Univerity of Illinois College of Engineering; Keilin Jahnke, University of Illinois, Urbana-Champaign

Tagged Topics

Diversity

Tagged Divisions

Community Engagement Division

as introductory engineering courses for freshmen, at the University of Illinois since 2013.Ms. Keilin Jahnke, University of Illinois, Urbana-Champaign Keilin Jahnke is a graduate student in Agricultural and Biological Engineering at the University of Illinois. She completed her Bachelor’s and Master’s degrees in the Industrial and Enterprise Systems Engineer- ing department at Illinois with concentrations in sustainable international development and creativity, entrepreneurship, and innovation. c American Society for Engineering Education, 2016 Drawing Upon Non-Engineering Disciplines to Research Sustainability of Engineered Infrastructure in South AmericaAbstractThe academy

Conference Session

Technical Session 1: Collaborating with Engineering Students and Faculty

Collection

2017 ASEE Annual Conference & Exposition

Authors

Aleshia Huber, Binghamton University; Jill Dixon, Binghamton University; Sandy Card, Binghamton University

Tagged Divisions

Engineering Libraries

programs for Reader Services, Research and Instructional Services and three branch libraries. Her interest include library man- agement, space design, information literacy and public services. She formerly served as the Engineering Librarian at Binghamton.Ms. Sandy Card, Binghamton University Sandy Card is an Associate Librarian at the Binghamton University Libraries where she is currently the Director of Technical Services. Her interests include information organization and retrieval and the effective use of library management systems to provide easy and accurate discovery. c American Society for Engineering Education, 2017 Redesign of Library Spaces

Conference Session

Engineering Physics and Physics Division Technical Session 4

Collection

2020 ASEE Virtual Annual Conference Content Access

Authors

Jessica Patricia Conry, Arkansas Tech University; Amber Harrington, Arkansas Tech University

Tagged Divisions

Engineering Physics and Physics

Paper ID #28614in Introductory Physics: Introducing EthicsDr. Jessica Patricia Conry, Arkansas Tech University Dr. Jessica Conry is an Associate Professor of Physics at Arkansas Tech University and the Director of the Arkansas Junior Science and Humanities Symposium. Dr. Conry earned a BS in Physics from Henderson State University, Arkadelphia, Arkansas and MS and Ph.D. in Physics from the University of Arkansas, Fayetteville, Arkansas. Her primary area of research interest is fundamental laser physics including beam shaping, polarization, and propagation. Education research interest includes bridging the gap between

Conference Session

Innovations in Mechanical Engineering Experiments and Labs

Collection

2007 Annual Conference & Exposition

Authors

Afshin Goharzadeh, The Petroleum Institute; Peter Rodgers, The Petroleum Institute; Christian Mandel, The Petroleum Institute

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

experimental characterization of multiphase flow phenomena. Page 12.895.1© American Society for Engineering Education, 2007 Innovative Fluid Mechanics Experiments for Modern Mechanical Engineering ProgramAbstract One of the primary objectives of the Petroleum Institute (PI) is to prepare futuremechanical engineers to assume successful career paths in the Oil and Gas industry.With this in mind, a state of the art core measurement laboratory represents an importantfacility for teaching use within a Mechanical Engineering Program. Such a facility hasbeen developed at the PI, and is utilized at undergraduate level

Conference Session

Construction Industry Issues in the Classroom

Collection

2013 ASEE Annual Conference & Exposition

Authors

Mei Liu, Polytechnic Institute of New York University; F. H. 'Bud' Griffis, Polytechnic Institute of New York University; Andrew J Bates, Polytechnic Institute of New York University

Tagged Divisions

Construction

in subject areas of Strategic Planning, Infrastructure Planning, Construction Planning, Risk Analysis and Risk Management. Prior to joining the faculty at NYU Poly, he was a Professor at the United States Air Force Academy in Colorado Springs where he taught Introduction to Engineering, Air Base Design and Performance, Construction Project Management, Project Management and Contract Administration and Software Applications for Civil Engineers. During his four years there, he was the Deputy for Plans and Programs and the Construction Division Chief for the Department of Civil and Environmental Engineer- ing. As a retired U.S. Air Force Major, Mr. Bates has compiled an impressive leadership portfolio which

Conference Session

Integrating Research

Collection

2012 ASEE Annual Conference & Exposition

Authors

Kellie Grasman, Missouri University of Science & Technology; Suzanna Long, Missouri University of Science & Technology; Sean Michael Schmidt, Missouri University of Science & Technology

Tagged Divisions

Engineering Economy, Engineering Management, Industrial Engineering, Systems Engineering

University of Science & Technology Suzanna Long is an Assistant Professor with the Department of Engineering Management and Systems Engineering at Missouri University of Science & Technology (formerly University of Missouri, Rolla). She holds a Ph.D. and an M.S. in engineering management, B.S. in physics, and a B.A. in history from the University of Missouri, Rolla (UMR), and an M.A. in history from the University of Missouri, St. Louis. Her research interests include strategic management of sustainable supply chain partnerships, transportation-logistics, supply chain management, engineering education, and organizational analysis.Sean Michael Schmidt, Missouri University of Science & Technology

Conference Session

Closing Manufacturing Competency Gaps II

Collection

2002 Annual Conference

Authors

Doug Ramers

isolation without considering interactions.Solving most real world problems requires integrating this knowledge. As a result of theevolution of standardized Mechanical Engineering programs, students are typically exposed toonly one semester of manufacturing processes. Manufacturing problems are rarely used to teachstudents how to integrate their new knowledge and develop skills to solve applied problems.The Society of Manufacturing Engineers Manufacturing Education Plan1 defines a set of criticalcompetencies expected of engineering students entering manufacturing industries. The Plan is aresult of workshops with automotive, aerospace, electronics, and other industries. Competenciessuch as project planning and management, communication, problem

Conference Session

Innovative Methods to Teach Engineering to URMs

Collection

2011 ASEE Annual Conference & Exposition

Authors

Showkat Chowdhury, Alabama A&M University; Mohamed A. Seif, Alabama A&M University

Tagged Divisions

Minorities in Engineering

. Page 22.773.1 c American Society for Engineering Education, 2011 High Power Rocketry Program: Undergraduate Research Experience for an HBCUAbstractInvolvement of undergraduate students in research or projects related to their discipline havebeen found to be very effective in improving the students’ learning outcome, and prepare thembetter for their jobs on graduation and/or entering into graduate school. Alabama A&MUniversity, a Historically Black College or University (HBCU), engages a group of abouttwelve undergraduate engineering students in a challenging project to develop a high powerRocketry Program, in cooperation with NASA and Alabama Space Grant Consortium

Conference Session

Emerging Information Technologies

Collection

2012 ASEE Annual Conference & Exposition

Authors

Lakshmi Ramachandran, North Carolina State University; Edward F. Gehringer, North Carolina State University

Tagged Divisions

Computing & Information Technology

Engineering Education, 2012 Automated Quality Assessment for Peer Reviews of Student Work AbstractReviews are text-based feedback provided by a reviewer to the author of a submission. Reviewsare used not only in education to assess student work, but also in e-commerce applications, toassess the quality of products on sites like Amazon, ebay etc. Since reviews play a crucial role inproviding feedback to people who make assessment decisions (deciding on a student’s grade,purchase decision of a product etc.), it is important to ensure that reviews are of a good quality.In our work we propose the use of metrics such as content, tone and quantity of feedback tosuitably represent a review. We use supervised

Collection

1998 Annual Conference

Authors

Douglas G. Schmucker

significantly inspired by the T4E teaching model, which was developed at theUSMA and at whose NSF-sponsored short course the author attended.Student data both before and after the implementation are included along with faculty assessments. Comments fromother assistant professors who have implemented various aspects of the model are also included as are the author'sanecdotes. In the three semesters of implementation, the author has observed improved student performance asmeasured by written exams in addition to positive student and peer evaluations.1. IntroductionOne challenge faced by the author since entering the engineering education profession has beenlearning how to use the lesson time as a catalyst for student learning rather than simply a time

Conference Session

Investigating Alternative Energy Concepts

Collection

2011 ASEE Annual Conference & Exposition

Authors

Narayanan M. Komerath, Georgia Institute of Technology

Tagged Divisions

Energy Conversion and Conservation

generated orbitcalculations using an educational version of professional software. The animations generatedfrom this program helped visualize how the beams would be established as each satellite camewithin a 45-degree azimuthal cone over each ground station, and how the beams would then besent across and down to receivers.Learning issue #6: finding sources and strengthening cost estimationThe cost estimation leading up to this stage used thumb rule benchmarks, mainly extrapolatedand interpolated from those of the Global Positioning System replacement satellites, and fromlaunch cost data of commercial launchers were appropriate. In the next iteration, the costs wererefined using the NASA/USAF NASSCOM cost models from the internet (the names of

Conference Session

Design in the ECE Curriculum

Collection

2010 Annual Conference & Exposition

Authors

Bill Yang, Western Carolina University; Phillip Sanger, Western Carolina University; Patrick Gardner, Western Carolina University

Tagged Divisions

Electrical and Computer

AC 2010-596: TEACHING AND LEARNING OF PROJECT MANAGEMENT FORENGINEERING AND TECHNOLOGY CAPSTONE RESEARCH PROJECTSBill Yang, Western Carolina UniversityPhillip Sanger, Western Carolina UniversityPatrick Gardner, Western Carolina University Page 15.1167.1© American Society for Engineering Education, 2010 Teaching and Learning of Project Management for Engineering and Technology Capstone Research ProjectsAbstractProject management has become an increasingly important skill for engineering and technologystudents of the 21st century especially for U.S. students. While much of routine design andmanufacturing tasks are continuing to move overseas notably to India

Conference Session

Best Practices in Existing College-Industry Partnerships

Collection

2010 Annual Conference & Exposition

Authors

John Marshall, University of Southern Maine

Tagged Divisions

College-Industry Partnerships

AC 2010-289: PROFESSIONAL INTERNSHIPS: A REQUIREMENT FORGRADUATIONJohn Marshall, University of Southern Maine John Marshall received his Ph.D. from Texas A&M University and is the Internship Coordinator for the Department at the University of Southern Maine. His areas of specialization include Power and Energy Processing, Applied Process Control Engineering, Applied Automation Engineering, Fluid Power, and Facility Planning. Page 15.989.1© American Society for Engineering Education, 2010 Professional Internships as a

Conference Session

Design in the First Year

Collection

2010 Annual Conference & Exposition

Authors

Michael Pacella, University of Maryland, Baltimore County; Taryn Bayles, University of Maryland, Baltimore County

Tagged Divisions

First-Year Programs

) metabolism with the goal of optimizing lipid synthesis for biodiesel production. He will be attending graduate school at the Johns Hopkins University in Biomedical Engineering.Taryn Bayles, University of Maryland, Baltimore County Taryn Bayles is a Professor of the Practice of Chemical Engineering in the Chemical and Biochemical Engineering Department at UMBC, where she incorporates her industrial experience by bringing practical examples and interactive learning to help students understand fundamental engineering principles. Her current research focuses on engineering education, outreach and curriculum development

Conference Session

Track 6: Technical Session 1:Technology Students' Recognition of Algorithmic Data Bias through Role-Play Case Studies

Collection

2024 Collaborative Network for Engineering & Computing Diversity (CoNECD)

Authors

Ashish Hingle, George Mason University; Aditya Johri, George Mason University

Tagged Topics

CoNECD Paper Sessions, Diversity

Paper ID #40789Technology Students’ Recognition of Algorithmic Data Bias throughRole-Play Case StudiesMr. Ashish Hingle, George Mason University Ashish Hingle (he/him) is a Ph.D. student in the College of Engineering and Computing at George Ma- son University. His research interests include technology ethics, interactions and networking in online communities, and student efficacy challenges in higher education. He received his bachelor’s degree in Information Systems and master’s degree in Information Assurance (Cybersecurity – Forensics – Audit) from sunny Cal Poly Pomona.Dr. Aditya Johri, George Mason University Aditya

Conference Session

Curricular Issues in Computing and Information Technology Programs I

Collection

2014 ASEE Annual Conference & Exposition

Authors

Mohammad Rafiq Muqri, DeVry University, Pomona; Hasan Muqri, UCLA; Shih Ek Chng, DeVry University, Pomona

Tagged Divisions

Computing & Information Technology

Paper ID #8800Leveraging the power of Java and Matlab to solve ODE’sDr. Mohammad Rafiq Muqri, DeVry University, PomonaHasan Muqri, UCLAProf. Shih Ek Chng, DeVry University, Pomona Professor College of Engineering and Information Science Page 24.866.1 c American Society for Engineering Education, 2014 Leveraging the power of Java and Matlab to solve ODEsAbstractOrdinary Differential Equations (ODE) are used to model a wide range of physical processes.An ODE is an equation containing a function of one independent variable