Tag: control-theory

10 How do I solve an optimal control problem where the law of motion depends on some function of the state vector? 2015-04-14T18:56:43.950

9 Observability using the Discrete Extended Kalman Filter (EKF) 2015-04-21T06:48:41.130

8 How do you set up a PID-Control if the time constants of the controlled system are variable? 2015-07-14T17:41:09.513

8 Why is it impossible to create an observer for this not fully observable system? 2016-12-29T09:33:51.663

7 How can I approach the application of control theory to real control systems? 2015-07-29T19:27:19.243

7 Quaternion in control applications 2016-12-05T15:03:07.290

6 Square shaped position error 2016-03-23T07:54:50.540

6 Why are negative frequencies included in the nyquist plot? 2016-04-09T18:30:49.700

6 Computing error dynamics from state space deadbeat observer 2016-05-16T11:09:13.863

6 Writing a filtered derivative term of the PID controller into the C++ code 2016-07-13T15:24:22.513

5 Causal and Non-Causal PD Controller 2015-04-30T06:57:52.027

5 How does one become a control systems engineer? 2015-06-07T14:56:01.723

5 Controllability of $x' = Ax + Bu(t)$ implies controllability of $\left \{ \begin{matrix} x' = Ax + By \\ y'=u(t) \end{matrix} \right.$ 2015-09-06T12:12:54.600

5 Feedback control of two-link planar manipulator 2015-10-31T22:20:01.323

5 Calculating a transfer function from a block diagram 2015-11-05T11:55:24.913

5 How can I check whether a nonlinear system is zero-state observable? 2016-04-14T15:17:09.750

5 what is a quarter wave decay response after Ziegler–Nichols tuning? 2016-05-13T22:10:45.067

5 How many states need to be measured for a reduced order observer? 2016-08-19T04:55:16.463

4 Second order system with additional pole 2015-03-27T04:21:19.403

4 Steady state value, a possible shortcut? 2015-06-10T18:10:07.387

4 Determine the range of values for a PI controller 2015-10-12T23:46:41.957

4 Analog PID controller - settings wrt $V_{err}$ - setpoint always higher than room temp 2015-10-21T18:55:31.343

4 How does the DERIVATIVE term slow down the signal? 2015-11-04T14:16:09.203

4 Why can't proportional gain alone, reduce the error to zero? 2016-03-02T21:38:49.863

4 A stable transfer function which diverges? 2016-05-31T14:02:49.563

4 When are overshooting controllers preferred over asymptotic ones? 2016-07-06T14:02:42.530

3 What is the best method to model the input of an electro-mechanical system for control design and simulations? 2015-06-07T19:25:28.533

3 Gain and phase margins of a system 2015-08-06T19:59:10.987

3 Matched and unmatched uncertainties 2015-09-17T23:39:20.590

3 Is there a way to obtain a circuit of some sort given a Nyquist plot? 2015-10-09T14:58:17.613

3 How to design a PID controller for MIMO systems in which there are more outputs than inputs? 2016-03-04T13:56:14.773

3 System model for motor controlled inverted pendulum with rotating motor body (used in camera stabilizer application) 2016-03-09T20:09:46.613

3 PI-Controler: Comparison of characteristic equations 2016-05-12T13:38:44.493

3 Harmonic systems, system linearity 2016-06-27T09:29:15.553

3 Implementing PID feedback control 2016-10-10T03:25:58.230

3 Question on sketching nyquist plot of transfer function with poles on imaginary axis 2016-11-16T11:56:09.370

3 Using python to send automated commands through a serial-usb-cable adapter 2016-11-21T01:01:38.453

3 What benefits does loopshaping have over other control design methods? 2016-12-09T17:06:08.103

3 Sector determination of a nonlinearity and passivity 2016-12-15T02:21:43.320

3 Square wave transfer function? 2017-02-23T09:07:35.813

3 How to determine the region in a state plane where the equilibrium state is asymptotically stable 2017-06-14T14:29:21.053

3 Linearization of dynamic equations/transfer function in control theory 2018-01-05T10:02:11.990

2 Block Diagram Reduction: Is it necessary to do it stepwise? 2015-09-14T18:46:12.063

2 How can I calculate the z-transformation of this transfer function of a time-discrete controller? 2015-09-20T09:33:27.760

2 Is there a CE mark requirement for positive control logic? 2016-02-08T19:13:27.573

2 Multiple solutions in optimal control 2016-02-25T17:38:33.293

2 Control theory - Differential equations and state variable description 2016-05-14T19:24:55.537

2 In Control Systems Engineering, why do imaginary poles and zeros on the LHP indicate stability? 2016-07-26T20:48:06.300

2 Is Hamilton Jacobi Bellman optimization used in engineering control? 2016-08-03T18:27:38.293

2 How do I convert this mechanical system into a mechanical network? 2016-08-21T14:18:38.430

2 From Single to Multiple Input (from SISO to MISO) 2016-12-17T21:25:08.480

2 Inverse kinematics solutions pros and cons 2017-04-01T20:28:39.423

2 Minimal realization of a MISO system 2017-04-18T13:01:13.113

2 Replacing PID with Lead–lag compensator? 2017-05-19T10:01:02.863

2 Nyquist plot - what is the meaning of circles with dB values on complex plane 2017-06-20T18:58:10.213

2 Time constant - formula 2017-09-15T19:15:35.050

2 Control Variations in a Measurement (Temperature Sensor) 2017-11-17T08:46:22.640

2 Can I replace terminal weight with an even stricter matrix yet ensuring stability? 2017-11-28T09:48:26.410

2 Control theory: Closed loop zeros, Root locus and its dynamic response 2018-01-30T05:24:00.817

1 Parameter Estimation for First Order System 2015-06-09T11:47:12.390

1 Details of the phase margin 2015-11-28T01:07:11.483

1 Is it important to have a good behaviour inside internal loops of a cascaded PID controller? 2016-03-11T13:53:04.200

1 Active suspension with accelerometers and displacement observer/estimator problem 2016-04-21T21:39:29.233

1 Theory of steady state error and dynamics of error for automatic control systems 2016-07-04T03:19:01.943

1 Sliding Mode Control 2016-08-14T17:28:01.087

1 PID position control when setpoint does not require continuous force 2016-08-18T05:17:50.100

1 Continuous time and Discrete time systems 2016-08-26T11:33:52.650

1 Find the instance when discrete time model has a specific value 2016-09-19T13:33:29.537

1 FOC algorithm for BLDC motor and rotor position estimation via IMU 2016-11-21T23:32:01.400

1 What is the name of my feedback procedure in control system that I am using? 2016-11-24T22:59:15.280

1 Difference between PI and PD controller? 2016-11-25T03:46:49.890

1 Why can’t one see for 2nd order system that it is at its stability limit neither in the Nyquist plot nor Bode plot? 2016-11-29T17:43:59.080

1 Control System Question - spectra and their degrees of excitation 2016-12-01T20:26:14.687

1 Analytically determine and draw the system response to a piecewise step input for an electrical system 2016-12-10T17:40:33.553

1 Control - How to get references in the output? 2016-12-20T13:57:39.400

1 Is analog|digital different from continuous|discrete? 2017-01-23T17:25:55.897

1 How many controllers of output or state are available? 2017-02-03T21:41:24.270

1 The finite step response of a system pole at the origin is unbounded, how is this critically stable? 2017-03-02T19:29:09.297

1 What do actually control engineers do? 2017-03-15T17:19:01.940

1 Find transfer function from step response and root locus? 2017-05-07T14:07:03.157

1 Anomaly in viscous force - vs - velocity relationships 2017-05-20T09:35:51.630

1 Find transfer function from bode diagram? 2017-05-25T17:16:25.217

1 How to tune a PID for a pure integrator system? 2017-06-21T05:14:22.100

1 Does the order of the states in a state vector matter? 2017-06-25T07:48:00.980

1 LQR vs. Numerical Optimal Control 2017-09-11T09:37:18.267

1 Exponential stability under a global coordinate transformation 2017-09-13T18:48:23.710

1 How to execute trajectory? 2017-09-13T19:12:36.927

1 Given Pitch and Roll in one Heading, convert to co-planar pitch and roll for North 2017-09-15T22:45:52.860

1 modeling tracking servo 2017-11-17T05:17:54.980

1 Cascaded PID loop and parallel PID loop 2017-11-26T07:53:07.760

1 Oscillations in motor control systems 2017-12-12T08:52:21.613

1 What are the disadvantages of PDDD controller 2017-12-26T11:31:58.617

1 The differences between manipulated variables and control variables 2017-12-29T03:27:29.883

1 Determining the transfer function of cruise control given characteristic equations 2018-01-14T21:19:54.650

1 Why does a proportional controller have to have a steady state (offset) error? 2018-02-08T16:58:55.533

1 Simple examples to illustrate the utility of the Laplace Transform 2018-02-09T20:16:40.297

1 Zero placement in transfer function 2018-02-12T17:23:10.603

1 Suppliers who write dynamical specification inside their data sheet? 2018-02-13T15:46:51.520

1 How does a closed loop control system actually work? 2018-03-08T22:37:05.570