2012 METU Lecture 5 Control of Smart Systems - Department of ...

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Algorithm Implementation Considerations - IIR Filter IIR means "Infinite Impulse Response". The impulse response is "infinite" because there is feedback in the filter. IIR filters can achieve a given filtering characteristic using less memory and calculations than a similar FIR filter. They are however more susceptible to problems of finite-length arithmetic, such as noise generated by calculations, and limit cycles. They are harder (slower) to implement using fixed-point arithmetic. They don't offer the computational advantages of FIR filters for multirate (decimation and interpolation) applications. 48
Algorithm Implementation Considerations - Filter Comparison IIR FIR More efficient Less efficient Analog equivalent No analog equivalent May be unstable Always stable Non-liner phase response Linear phase response No efficiency gained by decimation Decimation increases efficiency 49
Page 1 and 2: • • • • • • Lecture 1:
Page 3 and 4: Control Technologies for Smart Syst
Page 5 and 6: Control Systems Overview Definition
Page 7 and 8: Control Systems Overview Root locus
Page 9 and 10: Control System Technology • • M
Page 11 and 12: Open Loop System • • Reference
Page 13 and 14: Open Loop System Reference Input
Page 15 and 16: Error Detector Closed Loop System R
Page 17 and 18: Closed Loop System Sensor The outpu
Page 19 and 20: Closed Loop System The expression S
Page 21 and 22: Elements of Control Systems Respons
Page 29 and 30: Controller Operation Controller pro
Page 31 and 32: Compensated Controllers • Compens
Page 33 and 34: PID Controllers • The PID control
Page 35 and 36: PID Controllers u(t) + P + e(t) +
Page 37 and 38: PID Controllers - Limitations • W
Page 39 and 40: PID Controllers - Limitations & Sol
Page 41 and 42: Design of Control Systems - Process
Page 43 and 44: Design of Control Systems - Digital
Page 45 and 46: Design of Control Systems - Digital
Page 47: Algorithm Implementation Considerat
Page 51 and 52: Control System Hardware Implementat
Page 63 and 64: Hard Disc Drive Description • Dis
Page 66 and 67: Hard Disc Drive Description • In
Page 68 and 69: Hard Disc Drive Description • The
Page 70 and 71: Design Challenges • The pivot bea
Page 72 and 73: Computer Hard Disc Drive - Transfer
Page 74 and 75: Active Suspension Systems - Introdu
Page 76 and 77: Suspension Systems - Safety and Sta
Page 78 and 79: Suspension Systems - Currently Avai
Page 80 and 81: Suspension Systems - Operating Scen
Page 82 and 83: Suspension Systems - Bose System
Page 84 and 85: Active Suspension Systems Bose Acti
Page 86 and 87: Resources Feedback Control of Dynam

2012 METU Lecture 5 Control of Smart Systems - Department of ...

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