1. Dr. Hassan Hariri
Institut Universitaire de Technology (IUT) de Cachan
http://www.univ-lyon1.fr/en/home-759942.kjsp
Email: haririhas@gmail.com
Design and control of a static converter associated
with a storage system by supercapacitor

2. Copyright Hassan Hariri 2016
Trolleybus Contact Lines in Villeurbanne-Lyon, France
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Supercapacitor
s
Reversible
buck/Boost
converter
Auxiliaries
Inverter +
motor
Buck
Trunk of supercapacitors
120 < 𝑉𝑆𝐶 < 330 V
330 V
330 V
Contact Lines
75V
Diagram of the trolleybus power system
Variation of bus auxiliaries

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Boost Converter

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 Before linearization
 After linearization
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Modeling of the Boost converter

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PID analogue control (voltage feedback control)
PID
controller
PWM
𝑣 𝑏𝑢𝑠 𝑡 = 𝑓(𝑣 𝑆𝐶, 𝑖𝑙𝑜𝑎𝑑, 𝑑)
Measurable
disturbances
Control
𝑣 𝑆𝐶 𝑡
𝑅 𝑡
𝑢
𝑣 𝐶 𝑡𝑣𝑒 𝑡
Voltage
sensor
𝑣 𝑟𝑒𝑓 𝑡 𝑣 𝑏𝑢𝑠 𝑡
Disturbance on
measurement
𝑊𝑢 𝑊𝑉
𝑊𝑏
Disturbance on
measurement
Disturbance on
measurement
+
-
+
+
+
+
+
+
Boost converter

7. Copyright Hassan Hariri 2016
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PID analogue control (voltage feedback control)
𝑣 𝑏𝑢𝑠 𝑉
𝑇𝑖𝑚𝑒 (𝑠)

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RST digital control
1/S(z)
Control
Voltage
sensor
𝑣 𝑟𝑒𝑓
Disturbance on
measurement
𝑊𝑢 𝑊𝑉
𝑊𝑏
Disturbance on
measurement
Disturbance on
measurement
+
-
+
+
+
+
+
+
R(z)
T(z)
𝑣𝑒
v
𝑑 𝑣 𝑏𝑢𝑠
𝐺1(𝑧) 𝐺2(𝑧)
𝐺3(𝑧)
+
+
+
𝑣 𝑆𝐶
𝑅Boost converter

9. Copyright Hassan Hariri 2016
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RST digital control
𝑣 𝑏𝑢𝑠 𝑉
𝑇𝑖𝑚𝑒 (𝑠)

10. Copyright Hassan Hariri 2016
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Sliding mode control (hybrid mode)
𝑆 = 𝑘1 𝑣 𝑏𝑢𝑠𝑚𝑒𝑠 𝑡 − 𝑉𝑟𝑒𝑓
𝑒
+ 𝑘2 𝑖 𝐿𝑚𝑒𝑠 𝑡 − 𝑉𝑟𝑒𝑓
𝑒 𝑖 𝑏𝑢𝑠𝑚𝑒𝑠 𝑡
𝑣 𝑆𝐶𝑚𝑒𝑠(𝑡)
If 𝑆(𝑣 𝑏𝑢𝑠 𝑡 , 𝑖 𝐿 𝑡 , 𝐼𝑟𝑒𝑓 𝑡 ) > 0 u =0
If 𝑆(𝑣 𝑏𝑢𝑠 𝑡 , 𝑖 𝐿 𝑡 , 𝐼𝑟𝑒𝑓 𝑡 ) < 0 u =1
Boost converter
𝑉𝑟𝑒𝑓
𝑆
𝑢
𝑉𝑏𝑢𝑠
𝑣 𝑏𝑢𝑠𝑚𝑒𝑠 𝑡
𝑖 𝑏𝑢𝑠𝑚𝑒𝑠 𝑡
𝑣 𝑆𝐶𝑚𝑒𝑠(𝑡)
𝑖 𝐿𝑚𝑒𝑠 𝑡

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Sliding mode control (hybrid mode)
𝑣 𝑏𝑢𝑠 𝑉
𝑇𝑖𝑚𝑒 (𝑠)

12. Copyright Hassan Hariri 2016
Comparison and tools
 Modeling of non-linear DC/DC power converter
 Choice of Capacitance, MOSFET and Sensors
 Design of Inductance
 Linear and nonlinear control algorithms
 Simulink
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