21ECC503T Embedded control system

The speed ω of the D.C machine is almost proportional with the ---------------------

• Vmed
• Vcc
• Vmed/2
• Vcc/2

A more sophisticated circuit is the ------- (by Linear Technology) is a low power, high accuracy triple supply monitor with power-fail comparator.

• LTC 2822
• LTC 2811
• LTC 2911
• LTC 2922

Embedded systems are designed for specific tasks and often mass-produced they are -----------------------

• optimized in size
• production costs
• performance and reliability
• More memory

Current, position, speed and other sensor signals are measured and are fed into the embedded control system. All these functions are situated at the -----

• signal processing level
• electric power level
• mechanical level
• Input level

Using the H-bridge a -------- quadrant operation is possible

• 2
• 3
• 4
• 5

When running full CAN (ISO11898-2) at higher speeds, it is required to terminate the CAN bus at both ends with ---------- resistors

• 100Ω
• 120Ω
• 140Ω
• 80Ω

The embedded control system provides the ----------- with the correct duty cycle is possible to control the ----------------------and --------------------

• stability
• right switching sequence
• machine speed
• direction of movement
• B,C,D

For an embedded application, the important boundaries are the ----------------. Within these boundaries the watchdog shall be serviced (re-triggered)

• T boundary min and T window max
• T boundary max and T window min
• S boundary max and S window min
• S boundary max and S window min
• B

CAN offers high-speed communication rate up to ---------- and thus allows real-time control

• 1 Mbit/sec
• 2 Mbit/sec
• 1.5 Mbit/sec
• 0.5 Mbit/sec
• A

Widely used CAN transceiver chips are -------------

• Philips 82C251
• TIA1040
• TJA1040
• Philips 82C151
• A,C