transactions in measurement and control

... Kinh tế- Kỹ thuật Công nghiệp) 1.THÔNG TIN CHUNG Tên học phần (tiếng Việt): VI ĐIỀU KHIỂN ỨNG DỤNG TRONG ĐO LƯỜNG VÀ ĐIỀU KHIỂN Tên học phần (tiếng Anh): MICROCONTROLLER APPLICATION IN ... Lê Mỹ Hà, Phạm Quang Huy, Lập trình IoT Arduino, Thanh niên, 2019 [4] Nguyễn Tất Bảo Thiện, Phạm Quang Huy, Arduino và lập trình IoT = Internet of thing IoT, NXB Thanh niên, 2020 [5] Phạm Quang ... LƯỜNG VÀ ĐIỀU KHIỂN Tên học phần (tiếng Anh): MICROCONTROLLER APPLICATION IN MEASUREMENT AND CONTROL Mã môn học: 001185 Khoa/Bộ môn phụ trách: Điện/ Điều khiển và Tự động hóa Giảng

Ngày tải lên: 10/03/2024, 06:01

... Hankinson M., T. Vincient, K. B. Irani and P. P. Khargenekar, “Intergrated Real-Time and Run-to-Run Control of Etch Depth in Reactive Ion Etching”, IEEE Transactions on Semiconductor Manufacturing, ... Monitoring”, Ph.D Dissertation, Standford University, 1999. [28] Hendrix M., S. Drews and T. Hurd, “Advantages of Wet Chemical Spin-processing for Wafer Thinning and Packaging Applications”, in 26th ... misprocessing The value of applying... processes typically run in open-loop with very little real-time process control utilizing in situ sensors In this thesis, in- situ measurement and

Ngày tải lên: 14/09/2015, 12:50

... Press LLC control discipline followed the classical structure design, where the structure and control disciplines were ingredients in a multidisciplinary system design, but no interdisciplinary tools ... selected generalized coordinates and an independent set of the tendon and rod vectors forming l All remaining tendon... Figures 18.6 and 18.9, it follows ˆ that vectors ␳ij and ␳ij can be described ... actuation. Rather, controlled structures will be conceived as an interdisciplinary process in which both material architecture and feedback information architecture will be jointly determined. New paradigms

Ngày tải lên: 18/10/2013, 09:15

... in manufacturing due to the expense associated with obtaining training data. 5.4 Conclusion Machine tool monitoring and control provide the bridge between machining research and the production line. ... following reasons: maintaining constant power or force, safeguarding against chatter, or correcting machine tool errors. The most regulated process variable in machining has been the cutting force, ... 1996, Intelligent control of machining under modeling uncertainty, CIRP Manufacturing Systems, 25, 1, 73–79. 68. Ivester, R., Danai, K., and Malkin, S., 1997, Cycle time reduction in machining

Ngày tải lên: 23/01/2014, 06:20

... References 1 Cao, J and Boyce, M C., A predictive tool for delaying wrinkling and tearing failures in sheet metal forming, Journal of Engineering Materials and Technology (Transactions of the ... displacement is increasing or decreasing. 7.2.2 Mechanics of Forming: Bending, Stretching, and Springback Because all forming involves curvature change, some type of bending is always present. ... Load: Forming Physics Mechanics of Deformation: Machine Load Dynamics • Mechanics of Forming: Bending, Stretching, and Springback 7.3 Machine Control Sensors 7.4 Machine Control: Force

Ngày tải lên: 23/01/2014, 06:20

... Assembly and Welding Processes and Their Monitoring and Control 8.1 Assembly Processes Monitoring of KPCs • Monitoring of KCCs 8.2 Monitoring and Control of Resistance Welding Process ... Monitoring • Control 8.3 Monitoring and Control of Arc Welding Processes Modeling for Arc Length Control • Weld Bead Geometry Control • Weld Material Properties • Monitoring of Arc Welding and ... generally includes part positioning (or mating) followed by part joining. Part positioning can be accomplished using fixtures or robots. Part joining methods include mechanical fasteners, shrink and

Ngày tải lên: 23/01/2014, 06:20

... concepts in precision system design including definitions, basic principles of metrology and performance, and design concepts for precision engineering. This chapter is concerned with the design and ... preparation Clamping Stress condition Thermal properties Impurities Machine and Control System Design Structural Kinematic/semi-kinematic design Abbe principle or options Elastic averaging and fluid ... Press LLC Error motion measurement : A measurement record of error motion which should include all pertinent information regarding the machine, instrumentation, and test conditions. Radial

Ngày tải lên: 27/01/2014, 15:20

... gains (in? ??nite gain margin). The control concept is represented schematically in Figure 11.9 where the spring-mass system represents an arbitrary structure. Note that the damping introduced in ... Assuming no damping, the equation governing the motion of the structure excited by a single actuator is (11.3) where b is the in? ??uence vector of the active strut in the global coordinate ... frequencies, and we define (11.8) The numerator and the denominator of this expression represent, respectively, twice the strain energy in the active strut and twice the total strain energy when

Ngày tải lên: 27/01/2014, 15:20

... 13.1 Variable damper and the working principle. FIGURE 13.2 Variable force transfer and the working principle. FIGURE 13.3 Variable spring stiffness and the working principle. body wheel ... degrees-of-freedom, linear kine- matics, linear force laws, mostly using the same models for control design and for evaluation), linear control laws (LQG design procedure and “clipped” optimal strategy), and ... connected and the spring is stiff. When the valve is open, both volumes are connected and the spring is soft. During switching of the valve opening, the pressure in the chambers is equalized and the

Ngày tải lên: 27/01/2014, 15:20

... feedback was introduced in Olgac and Holm-Hansen (1994) and Olgac (1995). A single-mass dual-frequency DR absorber was reported in Olgac et al., (1995, 1996) and Olgac (1996). Sacrificing the tuning capability, ... explained in 14.2.1.2, the combined system including a reduced-order (MDOF) model of the primary structure and a DR absorber (Figure 14.2) can be represented in the Laplace domain by the following ... computationally demanding and inefficient. In the following section, an alternative method capable of revealing stability zones directly with less computational effort is explained. 14.2.1.3.2

Ngày tải lên: 27/01/2014, 15:20

... embedded in the host structure) based on sensor feedback and control commands. In response to the applied field, stress/strain will be induced in the piezoelectric material and active control force ... to determine the system’s active and passive parameters to achieve efficient hybrid vibration control still remains. From the driving voltage (control input) standpoint, the circuit inductance ... EACL as bandwidth increases. On the other hand, the combined APPN-EACL system can outperform the individual APPN and EACL cases, under both narrowband and broadband excitations. So far, in most

Ngày tải lên: 27/01/2014, 15:20

... equivalent force control inputs and in (16.13) and (16.15) are related to the control torques and as follows: (16.16) where , denote the web tension in the respective adjacent span and , denote ... regulation for axially moving materials, ASME Journal of Dynamic Systems, Measurement, and Control, 122, 3, 445–453, 2000 6 J L Junkins and Y Kim, Introduction to Dynamics and Control of Flexible ... Shahruz and L G Krishna, Boundary control of a nonlinear string, Proceedings of the ASME Dynamics Systems and Control Division, DSC-58, 831–835, 1996 14 S Joshi and C D Rahn, Position control

Ngày tải lên: 27/01/2014, 15:20

... monumental. For example, in the analysis of the planar tensegrity structure, the slackening of a string results in dramatic nonlinear changes in the bending rigidity. Increasing the pretension allows ... prestressable problem involves finding a geometry which can sustain its shape without external forces being applied and with all strings in tension. 12,20 17.1.4.2.1 Tensegrity Structures in Bending What we ... find minimal mass subject to a specified buckling constraint. The stiffness and strength of these structures are determined. 17.1 Introduction Tensegrity structures are built of bars and strings

Ngày tải lên: 27/01/2014, 15:20

... with measurement and control functions is an important step towards establishing a convenient and continuously supported wellness environment. Introduction In rehabilitation engineering and health ... the measurement and control functions into a single wearable unit. The unit has several different interfaces for measur- ing multiple biosignals during exercise and then output control commands ... costs of developing and producing exercise machines because the measurement and control functions are separate from the machine. Moreover, loosely coupling exercise machines and exer- cise programs

Ngày tải lên: 19/06/2014, 10:20

... 100 Hz for 30 s, including stepping onto and off the force plate Estimations of H were made using sliding windows of 10, 5, and 2.5 s durations, with windows slid forward in 1-s increments Multivariate ... critical times in elderly subjects, implying that a greater time spent in openloop control could be a factor in falls in the elderly [29] Since the pioneering work of Collins and De Luca, subsequent ... an indication of the degree of laxity in control In a subsequent study, Col- Page of 12 (page number not for citation purposes) Journal of NeuroEngineering and Rehabilitation 2007, 4:12 lins and

Ngày tải lên: 19/06/2014, 10:20

... Ambrosino, M. Ariola, C. Cosentino, Finite-Time Stability and Control, Lecture Notes in Control and Information Sciences, vol. 453, Springer, New York, 2014. [2] J. Feng, Z. Wu, and J. Sun, Finite-time ... Ambrosino, M Ariola, C Cosentino, Finite-Time Stability and Control, Lecture Notes in Control and Information Sciences, vol 453, Springer, New York, 2014 [2] J Feng, Z Wu, and J Sun, Finite-time ... memoryless and memory static feedback controllers. The problem studied in this paper is technically challenging due to two reasons: (a) The time delays are involved in in both the state and control;

Ngày tải lên: 12/10/2015, 10:29

... an increasing role, providing healthy food for the growing population [1] In addition to its health promoting and poverty reducing capacity, aquaculture sector has a significant role in creating ... decision supporting and control tools Accordingly, dynamic modeling and simulation supported design and operation of RAS are in the focus of research and development RASs are artificially controlled ... volume of a single fish-tank to the prescribed values of stocking density, by controlling the necessary volume in each Information Processing in Agriculture ( ) –1 151 Fig – Implementing control elements

Ngày tải lên: 27/09/2019, 10:20

... erosion, and internal scale build up. In spite of its high ini- tial cost, the total cost of owner- ship can still be favorable because of savings in installation and operat- ing and maintenance ... air speed in rac- ing cars and Air Force fighter jets. In industrial applications, pitot tubes are used to measure air flow in pipes, ducts, and stacks, and liquid flow in pipes, weirs, and open ... and liners are available in many materials and are widely used in all the process indus- tries, including food, pharmaceutical, mining, and metals. Some liner materials (particularly Teflon®) can...

Ngày tải lên: 20/10/2013, 01:15

... and the corresponding joint. Different types of shafts, chains, belts, ball screws, and linkage structures may be used. The questions of efficiency, backlash, and stiffness are posed again. Finally, the ... drives a robot joint, for instance, joint j , we relate the motor with the joint by using index j with all variables and constants in the dynamic model (21.3). This was done in Section 20.3.1. ... elastic deformation (in nite stiffness), and inertia. In modeling robot dynamics this is a rather common assumption. In such a case, there is a linear relation between the input and the output: ...

Ngày tải lên: 25/10/2013, 13:15

... tests, investigation of compliant control in uncertain and dynamic environments, examination of nonlinear effects in robot and environment dynamics, and solving control problems at higher control ... model and using the nominal position and force measurements, and a controller involving a PD regulator and robust control part. The purpose of the robust controller is to ensure that the control ... tasks are machining processes such as grinding, deburring, polishing, and bending. Force is an inherent part of the process and plays a decisive role in task fulfillment (e.g., metal cutting or plastic...

Ngày tải lên: 29/10/2013, 20:15