Realistic Scheduling Mechanism for smart homes

Danish Mahmood, Nadeem Javaid, Nabil Alrajeh, Zahoor Ali Khan, Umar Qasim, Imran Ahmed, Manzoor Ilahi

Research output: Contribution to journalArticlepeer-review

83 Citations (Scopus)


In this work, we propose a Realistic Scheduling Mechanism (RSM) to reduce user frustration and enhance appliance utility by classifying appliances with respective constraints and their time of use effectively. Algorithms are proposed regarding functioning of home appliances. A 24 hour time slot is divided into four logical sub-time slots, each composed of 360 min or 6 h. In these sub-time slots, only desired appliances (with respect to appliance classification) are scheduled to raise appliance utility, restricting power consumption by a dynamically modelled power usage limiter that does not only take the electricity consumer into account but also the electricity supplier. Once appliance, time and power usage limiter modelling is done, we use a nature-inspired heuristic algorithm, Binary Particle Swarm Optimization (BPSO), optimally to form schedules with given constraints representing each sub-time slot. These schedules tend to achieve an equilibrium amongst appliance utility and cost effectiveness. For validation of the proposed RSM, we provide a comparative analysis amongst unscheduled electrical load usage, scheduled directly by BPSO and RSM, reflecting user comfort, which is based upon cost effectiveness and appliance utility.

Original languageEnglish
Article number202
Issue number3
Publication statusPublished - 1 Mar 2016
Externally publishedYes


  • Appliance classification
  • Appliance scheduling
  • Binary Particle Swarm Optimization (BPSO)
  • Demand Response (DR) programs
  • Demand Side Management (DSM)
  • Home Energy Management System (HEMS)
  • Time of use pricing
  • User comfort


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