Bombi, F. and Ciscato, D.1968. 'Noise effects in integral pulse frequency modulators' , IFAC Symp on Pulse-Rate and Pulse-Number Signals in Automation Control, Paper D45-7/11, Budapest.
2.
Datta, K.1972. 'Stability of PWM feedback systems', Int J Contr, 16, 977-983.
Edwards, R.1968. 'Pulse-rate and pulse-number signals in automatic control' , Control, 627-630.
5.
Elgazzar, S. and Onyshko, S.1974. 'Optimal control computation in pulse frequency modulated control systems', IEEE Trans Auto Contr, AC-19, 452-455.
6.
Elliott, A.1971. 'A high-speed binary rate-multiplier, Proc IEEE, 1256-1257.
7.
French, A. and Stein, R.1970. 'A flexible neural analog using integrated circuits', IEEE Trans Biom Eng, BME-17, 248-253.
8.
Gestri, G.1971. 'Pulse frequency modulation in neural systems - a random model', Bioph J, 11, 98-109.
9.
Gülcür, H. and Meyer, A.1972. 'Finite-pulse stability of interconnected systems with complete reset pulse frequency modulators', IEEE Trans Auto Contr, AC-17, 387-392.
10.
Joseph, P. and Inbar, G.1975. 'Stability of single-sign integral pulse frequency modulation control systems', Int J Control, 21, 865-868.
11.
Jury, E. and Blanchard, J.1967. 'A nonlinear discrete equivalence of integral pulse frequency modulation systems', IEEE Trans Auto Contr, AC-12, 415-422.
12.
Kontos, J.1965. 'Analysis of a pulse modulator', Electronic Engineering, Nov.
13.
Kuhler, R. and Yeh, H.1976. 'Extremal control of pulse-width-modulated systems via an extended maximum principle', Int J Control, 24, 685-691.
14.
Levy, D. et al. 1970. 'Improved dynamic characteristic of reversible counter used as velocity servo error through reduction of noise effect', Proc IEEE, 117, April.
15.
Li, C.1961. 'Integral pulse frequency modulated control systems', PhD Dissert, Northwestern Univ, USA.
16.
Li, C. and Jones, R.1963. 'Integral pulse frequency modulated control systems', Proc 2nd IFAC Congress, Basle, Switzerland, pp 186-190.
17.
Martin, J.1969. 'Signal processing and computation using pulse-rate techniques' , The Radio and Electronic Engineer, 38, 329-344.
18.
Meyer, A.1961. 'Pulse frequency modulation and its effect in feedback systems', PhD Dissert, Northwestern Univ, USA.
Murphy, G. and West, K.1962. 'The use of pulse frequency modulation for adaptive control' , Proc Natl Electr Conf (NEC), 18, Chicago, Oct, 271-277.
21.
Murphy, G. and Wu, S.1964. 'A stability criterion for PWM feedback control systems ', IEEE Trans Auto Contr, AC-9, 434-441.
22.
Nicoletti, B. and Raiconi, G.1974. 'A computer algorithm for the optimisation of discrete-time pulse frequency modulated systems', IEEE Trans Auto Contr , AC-19, 407-410.
23.
Nightingale, J.M.1974. 'Pulse-rate control systems design', Control Engineering, March, 52-54; May, 50-52.
24.
Ninke, W. and Ritchie, G.1977. 'Shift register binary rate multipliers', IEEE Trans Computers, March, 276-278.
25.
Onyshko, S. and Noges, E.1968. 'Optimization of pulse frequency modulated control systems via modified maximum principle', IEEE Trans Auto Contr, AC-13, 144-149.
26.
Onyshko, S. and Noges, E.1969. 'Pulse-frequency modulation and dynamic programming', IEEE Trans Auto Contr, AC-14, 558-561.
27.
Pavlidis, T.1964. 'Analysis and synthesis of pulse frequency modulation feedback systems', PhD Dissert, Univ of California, USA.
28.
Pavlidis, T.1965. 'A new model for simple neural nets and its application in the design of a neural oscillator', Bul Math Bioph, 27, 215-229.
29.
Pavlidis, T.1966a. Stability of a class of discontinuous dynamical systems ', Inform Control, 9, 298-322.
30.
Pavlidis, T.1966b. 'Design of neural nets with intermittent response and certain other relevant studies', Bul Math Bioph, 28, 51-73.
31.
Pavlidis, T.1966c. 'Optimal control of pulse frequency modulated systems' , IEEE Trans Auto Contr, AC-11, 676-684.
32.
Pavlidis, T. and Jury, E.1965. 'Analysis of a new class of pulse frequency modulated feedback systems', IEEE Trans Auto Control, AC-10, 35-43.
33.
Rochelle, R.1962. 'Pulse frequency modulation', IRE Trans Space Electr and Telemetry, June, 107-111.
34.
Rosen, M.1972. 'A theoretical neural integrator', IEEE Trans Biom Eng, BME-19, 362-367.
35.
Schaefer, R.1962. 'A new pulse modulator for accurate DC amplification with linear or nonlinear devices', IRE Trans on Instrumentation , Sept, 34-47.
Skoog, R. and Blankenship, G.1970. 'Generalised pulse-modulated systems: norms, gains, Lipschitz constants, and stability', IEEE Trans Auto Contr, AC-15, 300-315.
38.
Song, C.L., Garodnick, J. and Schilling, D.1971. 'A variable-step-size delta modulator', IEEE Trans, COM-19, Dec, 1033-1044.
39.
Thexton, A.1974. 'A modification of the French and Stein neural analog ', IEE Trans Biom Eng, BME-21, 339-340.
40.
Tzafestas, S.1978. 'Pulse width and pulse frequency modulated control systems' , Proc IMACS Symp Simulation of Control Systems (I. Troch, Ed), North Holland.
41.
Tzafestas, S.1978/1979. 'Optimal control of distributed-parameter pulse-width-modulated systems', Proc MECO '78 - Intern Symp on Measurement and Control, June, pp 747-756, Acta Press, Anaheim, USA.
42.
Tzafestas, S. and Frangakis, G.1971a. 'Variable digital design for P + I controllers', Control and Instrumentation, July/August.
43.
Tzafestas, S. and Frangakis, G.1971b. 'Stochastic computer design for hardware simulation and control', Intl Control and Instrumentation Conf, London .
44.
Tzafestas, S. and Frangakis, G.1974. 'Digital control of motor speed avoids discontinuities' , Control Engineering, July, 53-55.
45.
Tzafestas, S. and Frangakis, G.1979. 'Implementing PFM controllers', Electronic Engineering, Nov, 91-104.
46.
Vaeth, J.1962. 'Vapor-jet control of space vehicles', IRE Trans Auto Contr, AC-7, 67-74.
47.
Vander Stoep, D. and Alexandro, F. (Jr). 1968. 'Bounds on the optimal performance of pulse controlled linear systems', IEEE Trans Auto Contr, AC-13, 88-90.
48.
Wallner, A.1972. 'Binary rate multiplier controls AC power', Control Eng, Jan, 50-51.
49.
Yeh, H.1972. 'Optimal control with partially specified input functions' , Int J Control, 16, 71-80.
